Many thimbles stripping off device towards flexible chip

The utility model discloses a many thimbles stripping off device towards flexible chip, including fixing base, two vacuum chamber, many thimbles mechanism and cam rotary driving mechanism, wherein: two vacuum chambers by including setting up separately, in the vacuum in the outside outside cavity and the vacuum cavity form jointly to the cavity slides about still can independently take place in the vacuum, many thimbles mechanism comprises the interior outer lane thimble mechanism that coaxial arrangement just independently controlled each other jointly, and they wholly set up cavity lower part in vacuo along vertical orientation to include thimble, support frame separately and follow the active cell, outer lane thimble mechanism moved sequential control from top to bottom in cam rotary driving mechanism was used for realizing, realized the nimble switching between single thimble and the many thimbles simultaneously. Through the utility model discloses, can show and improve precision and ...

Kit for carrying out Lingchi syndrome related gene sequence detection on pre-implantation embryo and application of kit

According to the kit set for detecting the Lingchi syndrome related genes in the pre-implantation embryo and the application of the kit set, detection is carried out based on a transcriptome, the possibility of tripping is reduced, and the accuracy and the success rate of detecting the Lingchi syndrome related genes in pre-implantation embryo cells are improved.

Automatic quantitative pouring system

The invention discloses an automatic quantitative pouring system which comprises a stirring mechanism, a storage barrel is arranged on one side of the stirring mechanism, a piston is arranged in the storage barrel in a sliding mode, a push rod is fixed to one side of the piston and penetrates through the storage barrel, and a second driving piece used for pushing and pulling the push rod is arranged on the side, close to the push rod, of the storage barrel. A push rod is arranged in the storage cylinder, an infrared distance measuring sensor is installed below the end, close to the push rod, of the interior of the storage cylinder, and a pressure sensor is embedded in the side, away from the push rod, of the piston. The amount of materials capable of being contained in the storage cavity is determined by measuring the distance between the piston and the piston, the contained volume in the storage cavity can be set to be the needed volume, namely the amount of needed raw materials, only ...

Portable public road bridge roof beam detects uses LED information display device

The utility model belongs to public road bridge roof beam detection area, specifically a portable public road bridge roof beam detects uses LED information display device, the key feature is equipped with the speech input ware on the LED display, key entry ware and spoken and written languages switch processing ware, speech input can be supported and the content that detects is handled, information standard with the input, it is accurate, intactly save and show, has very big improvement site work efficiency, the standard of assurance information, accurate integrality, conveniently carry simultaneously the removal again, do benefit to the on -the -spot advantage that detects of trailing.

Handrail pendulum mechanism among car back -row seat

The utility model relates to a handrail pendulum mechanism among car back -row seat belongs to the automobile parts field. Fixed scaffold weldment is on the chair framework of back row, and fixed connection is on well handle support respectively for rotatory round pin, spacing axle, and well handle support assembles the fixed bolster through rotatory round pin, spacing axle on, the pendulum arm passes through pivort fixation on the fixed bolster, and the one end of back -moving spring is connected with the fixed bolster, and the other end is connected with the pendulum arm. The advantage liesin: the design is novel, simple structure, and design benefit, it is safe in utilization, convenient. Save space, save the cost. Therefore, the clothes hanger is strong in practicability.

Wake-up signal detection method for underwater acoustic communication MODEM

The invention provides a wake-up signal detection method for an underwater acoustic communication MODEM. The method includes the steps that two repeated two-phase code signals generated by a balanced Gold sequence are selected as wake-up signals, sliding correlation treatment between adjacent data block pairs different in length is adopted in a receiving end, a data block start moment corresponding to the maximum correlation value is wake-up signal arrival time, the difference between the length of a data block corresponding to the maximum correlation value and the length of each sent wake-up signal is the Doppler time stretching length, and therefore the wake-up signal arrival time and the Doppler time stretching length are jointly estimated; a current correlation value is obtained in the mode that a product of start data of the currently adjacent data block pairs at last time is subtracted from the sum of a former correlation value and a product of tail data of the currently adjacent ...

Fixed structure of LED lamp plate

The utility model discloses a fixed structure of LED lamp plate for fix the LED lamp plate in the LED fluorescent tube. This fixed structure includes: arrange the fixed plate of LED light in, the fixed plate includes: it is positive, and the right reverse side of front picture, its length direction that openly follows of fixed plate is equipped with the lamp plate storage tank that is used for holding LED lamp plate, wherein, the at least tip of lamp plate storage tank is the opening setting, and two cell walls of lamp plate storage tank do not are equipped with the flange that is used for preventing the LED lamp plate and comes off in notch punishment, the reverse side of fixed plate is arc form setting, and the fixed plate reverse side is laminated with the inner wall of LED fluorescent tube, the reverse side of LED lamp plate still is equipped with two recesses, and two recesses distribute in the left and right sides of the reverse side of LED lamp plate, and the corresponding groove ...

Folding rocking chair

The utility model relates to a folding rocking chair which comprises a folding chair frame and a piece of chair cloth installed on the folding chair frame, the folding chair frame comprises two arc rocking pipes arranged in parallel, a pair of deep folding mechanisms, a front shear fork connecting rod and a rear shear fork connecting rod, and each deep folding mechanism is a variable triangular mechanism composed of a seat pipe, a rear foot pipe, a front foot backrest pipe and a seat supporting pipe. The problem that an existing folding rocking chair is difficult to fold or poor in stability is solved.

Alumina particle and preparation method thereof

The invention relates to the field of catalyst carrier preparation, and discloses alumina particles and a preparation method thereof. The preparation method of the aluminum oxide particles comprises the following steps: 1) mixing chitosan macromolecules, an aluminum-containing compound and water to prepare slurry A; 2) contacting the slurry A with modified cellulose colloid to prepare slurry B; (3) dropwise adding the slurry B into an acid solution, and carrying out cross-linking reaction to obtain cured particles; and 4) calcining the cured particles to obtain the alumina particles. According to the method disclosed by the invention, on the basis of ensuring the molding of the alumina particles, the use amount of the chitosan macromolecules is effectively reduced so as to reduce the cost, and the method also has the advantages of simplicity in operation, low energy consumption, low requirements on equipment, green and clean preparation process and the like.

Piezoelectric gear sensor device for three-gear pure electric automobile

The invention relates to a piezoelectric gear sensor device for a three-gear pure electric automobile. The piezoelectric gear sensor device comprises a sensor support frame, wherein a low-speed gear piezoelectric sensor, a high-speed gear piezoelectric sensor and a neutral-gear piezoelectric sensor are respectively and fixedly arranged on the sensor support frame, a cam is arranged in the middle of the sensor support frame through a cam shaft, when the cam rotates to the position of the low-speed gear piezoelectric sensor or the high-speed gear piezoelectric sensor or the neutral-gear piezoelectric sensor, the pressure is respectively exerted on corresponding ones, and output signals are generated. In the use process, the sensor support frame is respectively and fixedly arranged on an automobile body of the pure electric automobile through a middle casing, the spline end of the cam shaft is fixedly connected with a gear-shifting operation rod arranged on the pure electric automobile, and ...

LED grille lamp

The utility model discloses a LED grille lamp, include: a plurality of LED lamp plates of giving out light of being used for, a plurality of LED mounting grooves that are used for the fixed mounting LED lamp plate for with LED mounting groove complex mounting groove side cap, be used for bearing the lamp panel of LED mounting groove, mounting groove side cap, wherein, the LED mounting groove is U -shaped form setting, and the one end of LED mounting groove is the opening setting, LED lamp plate fixed mounting fixes with the lamp panel towards the notch of lamp panel and LED mounting groove at the tank bottom of LED mounting groove, the notch of LED mounting groove, the mounting groove side cap covers can dismantle in the open end of LED mounting groove and with the LED mounting groove to be connected, the notch position that the lamp panel corresponds the LED mounting groove is equipped with and is used for non -light tight luminescence window, forms the guide rail that is used for installing ...

Treatment method for grease-class waste water

The invention discloses a treatment method for grease-class waste water. The innovation point is as follows: waste water firstly enters an oil separator for primary degreasing, waste water coming out of the oil separator enters an adjusting tank, waste water coming out of the adjusting pool enters a reaction tank in which FeSO4 agent is added in different sections, and waste water coming out of the reaction tank enters a coagulative precipitation tank which adopts a horizontal flow tank shape; then the waste water enters an air floating tank in which flotation separation is performed by adopting horizontal flow type dissolved air flotation; and water coming out of the air floating tank enters a collecting tank, a cooling tower, an intermediate water tank, a contact oxidation tank and a secondary sedimentation tank in sequence to obtain purified waste water. In the treatment method for grease-class waste water, the air floating tank is additionally arranged, and a pretreatment process of ...

Bead suspension polymerization method for methyl methacrylate

The invention discloses a bead suspension polymerization method for methyl methacrylate, which comprises a step of mixing an oil phase and an aqueous phase to carry out a suspension polymerization reaction. The oil phase comprises a methyl methacrylate monomer and an oil-soluble radical initiator; the aqueous phase comprises water and at least three suspending agents, namely a cellulose surfactant, a vinyl pyrrolidone polymer nonionic surfactant and an acrylic polymer anionic surfactant. In the method, a polymerization reaction system is stable and easy to control, the polymerization reaction period is shortened, the yield is improved, and the method is low in cost. Meanwhile, the polymethyl methacrylate (PMMA) polymer particles prepared by the method meet the service conditions for manufacturing artificial resin teeth.

Collapsible butterfly chair

A collapsible butterfly chair comprises a support frame and a chair cover. The support frame comprises two first side support rods, two second side support rods, two front crossed rods hinged together in crossed mode, two rear crossed rods hinged together in a crossed mode, and two support rods. The first side support rods and the second side support rods are hinged together in a crossed mode and separately arranged on two opposite side vertical faces. Two sliding sleeves are slidably arranged on the two first side support rods in a sleeving mode separately. The lower ends of the support rods are hinged to the sliding sleeves. The upper ends of the support rods are hinged to the upper ends of the second side support rods.

Device for measuring electrical treeing of medium voltage cables

A device for measuring electrical treeing of medium voltage cables. The device includes a plurality of test units connected in parallel. Each test unit includes: a test cup and an insulating base. The test cup includes an inner cavity for accommodating a salt solution, an insulating cover equipped with a first electrode, and an opening. The insulating base includes a side wall, an insulating washer, a second electrode, a conductor, and a through hole from top to bottom. The test cup is disposed on the insulating base. The lower part of the test cup is surrounded by the side wall and presses on the upper surface of the insulating washer. The lower part of the test cup is in threaded connection with the side wall. The space between the opening and the test sample is sealed by the insulating washer.

Crosslinking polyethylene-insulated cable insulation diagnostic apparatus

The invention discloses a cross-linked polyethylene cable insulation diagnostic apparatus for diagnosing the insulation property of a cross-linked polyethylene cable, comprising a box body and a main circuit; the invention is characterized in that: the main circuit is composed of a voltage select circuit, a high-voltage voltage transformation circuit, a polarity select circuit, a function select circuit, a measurement range select circuit, a high-voltage accumulator, a current sensing circuit, a high-voltage output interface, a charging and discharging circuit, a battery cell power supply, a high interference resistant amplifier circuit, an ammeter, a voltage sampling circuit and a voltmeter; the high-voltage circuits of the main circuit are connected with coaxial cables earthed for shielding, which eliminates the metering error caused by leakage current generated in the loops of the cables and the influence of the leakage current outside the cables on the measuring accuracy; with the DC ...

LED power module's installation mechanism

The utility model discloses a LED power module's installation mechanism, this mounting structure includes: be the end cap of cavity setting in order to be used for holding LED power module, and be used for with the fastener at LED fluorescent tube tip is fixed to the end cap, wherein, the first pot head of end cap in outside the tip of LED fluorescent tube, it is equipped with the fixed plate rather than a body coupling to be close to its first end department in the end cap, be equipped with on the fixed plate with the counter bore of fastener adaptation, the fastener runs through the counter bore of end cap is fixed on the tip of LED fluorescent tube, the fixed plate is close to a side of LED fluorescent tube is equipped with and is used for the holding the draw -in groove of LED fluorescent tube, the tip of LED fluorescent tube inserts in the draw -in groove of fixed plate.

Anti-eccentric-wear wax removal device for sucker rod

The invention discloses an anti-eccentric-wear wax removal device for a sucker rod. A two-piece outer slip pipe and a two-piece inner slip pipe are adopted. The two ends of the outer slip pipe are wedge-shaped diagonal planes, and a flowing channel is reserved between the inner slip pipe and the outer slip pipe in the axial direction. Before an anti-eccentric-wear tool goes down into a well, the anti-eccentric-wear tool is clamped on a sucker rod body in a two-piece embedment mode and fixed through a stainless steel bolt in a penetrating mode. The anti-eccentric-wear tool goes down to a preset eccentric wear position along with the sucker rod, when a pumping unit normally works, a coupling of the sucker rod is kept in the center of a sucker rod string all the time by means of straightening of the inner slip pipe and the outer slip pipe, and thus the anti-eccentric-wear effect can be achieved. The wear positions of the wedge-shaped diagonal plane structures change along with changes of loads ...

Method and system for detecting copy number variation of single-cell small-fragment chromosomes

The invention relates to a method and a system for detecting copy number variation of single-cell small-fragment chromosomes. The system comprises an embryo single cell obtaining unit, an embryo sample whole genome amplification unit, a parent genome sample obtaining unit, an embryo single cell whole genome amplification product and parent genome sample next-generation sequencing unit, a single cell sequencing data filtering and comparing unit and a genome copy number analysis unit based on read counting. The system comprises a candidate small-fragment CNV primary screening unit, a parent and offspring sample SNP locus allelotype identification and SNP locus filtering unit, a parent source/parent source multiplying power calculation unit of SNP linkage reading segments in a candidate small-fragment CNV region, and a real small-fragment CNV judgment unit.

Virtual controller-based airspace simulation method and device thereof

An embodiment of the invention provides a virtual controller-based airspace simulation method and a virtual controller-based airspace simulation device thereof. The virtual controller-based airspace simulation method comprises the steps of obtaining a preset flight plan, a track conflict rule and a wind condition; obtaining performance data of an aircraft if the flight plan and the track conflict rule are judged to be legal; obtaining first track information of the aircraft according to the flight plan, the wind conditions and the performance data of the aircraft and detecting whether a control command is received or not; obtaining track conflict statistical information according to the performance data of the aircraft, the track conflict rule and the control command if the control command is detected; obtaining the track conflict statistical information according to the performance data of the aircraft, the track conflict rule and the first track information if the control command is not ...

BOTTOM ELECTRODE AND MANUFACTURING METHOD THEREOF

A bottom electrode and a method of manufacturing the same are disclosed. The present invention relates to the field of dry etching, and has solved problems of separately fabrication of the ceramic points and ceramic layer of the conventional bottom electrode, low adhesion strength between the ceramic points and ceramic layer, incidental dropping off the ceramic layer. The bottom electrode includes: a metal substrate and an insulating layer disposed on the metal substrate, wherein the metal substrate comprises: a base substrate and a plurality of protrusion parts disposed on the base substrate, the insulating layer is disposed on surface of the base substrate and the protrusion parts on surface of the base substrate. Insulating protrusion points are formed at the protrusion parts.

System and method for identifying positions of mutual translocation breakpoints of chromosomes

The invention relates to a system and a method for identifying positions of mutual translocation breakpoints of chromosomes, the system comprises a single cell amplification and sequencing unit, a sequencing data cleaning and comparison unit, a calculation unit, a normalization unit, a sample screening unit and a breakpoint position determination unit, the single cell amplification and sequencing unit is used for obtaining sequencing data; the sequencing data cleaning and comparing unit is used for removing a next-generation sequencing linker sequence and a low-quality basic group from the obtained sequencing data; the calculation unit is used for calculating the number of the compared sequencing data in each 500 kb window of the genome; the normalization unit is used for normalizing the sequencing depth and calculating the corrected sequencing data number of each window; the sample screening unit is used for calculating the dispersion degree of each sample so as to select haploid samples ...

Automatic labeling equipment

The invention provides automatic labeling equipment. A rack extends in the front-back direction; the conveying device is arranged on the rack and comprises a first belt conveyor, a detection device, a correction device and a positioning conveying assembly, the detection device is arranged on the side edge of the first belt conveyor, the correction device is arranged in front of the detection device, and the first belt conveyor is in butt joint with the positioning conveying assembly; the two labeling devices are symmetrically arranged on the two sides of the positioning conveying assembly in the front-back direction, each labeling device comprises a fixing plate, a scraping plate and a labeling assembly, the scraping plates and the labeling assemblies are arranged on the fixing plates, a through opening matched with a box is formed between the two scraping plates, and the control assembly is electrically connected with the conveying device and the labeling devices. The disordered carton ...

Application in adenovirus expression carrier of humen immunoglobulin promoter

The present invention discloses the application of human immune globulin (Ig) promoter in adenovirus expressing vector, and the application of the adenovirus expressing vector including the promoter in preparing genetic medicine for inhibiting tumor cell growth and/or inducing tumor apoptosis. The present invention has important application value in the genetic treatment of several kinds of tumor.

Fry in shallow oil inferior valve, inferior valve subassembly of roast machine and fry in shallow oil roast machine

The utility model provides a fry in shallow oil inferior valve, inferior valve subassembly of roast machine and fry in shallow oil roast machine. The inferior valve includes: the diapire, the lateral wall, the lateral wall sets up around the circumference of diapire in succession, and lateral wall and/or diapire are concave convex structure. Be concave convex structure through diapire with the inferior valve and/or lateral wall setting, has the structure surface that the complexity is higher so that be the diapire and the lateral wall of plane shape or cambered surface shape originally, thereby it is surperficial for a plurality of parts with a whole surface dispersion of diapire or lateral wall, when the effort is exerted on lateral wall or diapire, the effort can the dispersion be born in these local surfaces, thereby effectively reduce the effort to certain any impact, stress concentration is avoided, and then play the ruptured effect of inferior valve that prevents, the use reliability ...

System and method for providing globalization function to application of JavaScript

The invention provides a method for providing globalization function for JavaScript application, which comprises the steps of: calling the globalized web service relating to concrete JavaScript application based on asynchronous JavaScript and XML(Ajax); processing the result of the asynchronous calling according to requirements, so as to get corresponding globalization function. The invention enables the JavaScript application to access the globalized component constructed by web service at the server through a web service client which is cross-platform and based on Ajax technique, thereby providing the JavaScript application with basic globalization requirements, such as zone model, cultural sensitivity and multilanguage support in reusable componentization way and providing a complete and efficient globalization function solution. The invention also provides a system for realizing the method, a server and a client applied in the system.

Array substrate, manufacturing method thereof and display device

An array substrate, a manufacturing method thereof and a display device are provided. The array substrate includes: a base substrate; a thin-film transistor and a first conductive layer formed on the base substrate; and a passivation layer formed on the TFT and the first conductive layer. The TFT includes a source electrode and a drain electrode; the first conductive layer is arranged in the same layer with the source electrode and the drain electrode; a second conductive layer is disposed on a side of the first conductive layer opposite to the passivation layer; the passivation layer is provided with a through hole penetrating therethrough; and an orthographic projection of the through hole on the base substrate falls within an orthographic projection of the first conductive layer on the base substrate and falls within an orthographic projection of the second conductive layer on the base substrate.

Data intelligent identification monitoring method and device

The invention aims to provide a data intelligent identification monitoring method and device, and the method comprises the steps: obtaining original data in real time through a sensor, and separating impact signal data; extracting a target data segment Y (i), generating zero value data C (i), calculating bending data points Y (p) in the Y (i), calculating value difference data of adjacent bending data points, and assigning values to corresponding points in the data C (i); adding data in a data segment C (tau) which is continuously smaller than a preset threshold value in the data C (i), assigning a value to a certain value in the data segment C (tau), and assigning the other data as zero; assigning zero to data smaller than a preset threshold value in the data C (i) in the step; adding the data in the data segment C (theta) which is continuously greater than or equal to 0 or is continuously less than or equal to 0 in the data C (i) and assigning the data to the maximum value in the data ...

Low-frequency passive RFID positioning method and device for underground cable detection

The invention belongs to the related technical field of positioning, and discloses a low-frequency passive RFID positioning method and device for underground cable detection, and the method comprises the following steps: (1) employing the electromagnetic wave energy of an RFID reader-writer to supply power to a low-frequency passive RFID tag, according to an inductive coupling equivalent circuit between the RFID reader-writer and the RFID tag, deriving a minimum induced voltage required by the work of the RFID tag, so as to construct a quantitative mapping relation between the minimum working current of the RFID reader-writer antenna required by the work of the RFID tag and the tag depth, and further obtain a distance measurement model based on the working current; and (2) measuring data required by parameter estimation of the distance measurement model in a soil medium, processing the obtained data by adopting a Gaussian-Newton method to estimate and obtain an optimal solution of the minimum ...

Cabin internal arrangement control method beneficial to pedestrian protection

The invention relates to a cabin internal arrangement control method beneficial to pedestrian protection. The cabin internal arrangement control method comprises the steps that a modeling surface fine CAS structure is obtained; acquiring a pedestrian protection test area; target decomposition: making a line insurance score plan, determining a score lower limit value according to a development target, decomposing scores according to different vehicle types, decomposing the scores into head type scores and leg type scores, and drawing up a score chromatogram; limiting surfaces are output, limiting surface upper limits of the head type area and the leg type area are obtained according to the score chromatogram distribution state in cooperation with the mapping relation between the cabin internal space and scores, and an upper limit limiting surface is output; and finishing the arrangement in the cabin by utilizing a limiting surface. The cabin internal arrangement control method beneficial ...

FOLDABLE HANDCART

A foldable handcart comprises a handcart frame comprising a bottom frame, a front frame, a rear frame and side frames. The bottom frame comprises two longitudinal beams and a supporting beam arranged in-between. Each longitudinal beam has two ends separately pivoted to the front and rear frames and comprises a front longitudinal beam part and a rear longitudinal beam part, which are pivoted to two ends of a longitudinal beam limiting part and can be folded downwards or be limited upwards to form the linear longitudinal beam. Each side frame comprises two first oblique beams having first ends pivoted together and second ends separately pivoted to the front and rear frames. In the unfolded state, each front longitudinal beam part and the corresponding rear longitudinal beam part form one linear longitudinal beam and form a triangular supporting structure together with the two first oblique beams of the corresponding side frame. 1. A foldable handcart , comprising a handcart frame and wheels arranged at a bottom of the handcart frame , wherein the handcart frame comprises a bottom frame , a front frame , a rear frame and side frames located on two sides;the bottom frame comprises two longitudinal beams and a supporting beam arranged between the two longitudinal beams, each said longitudinal beam has two ends separately pivoted to the front frame and the rear frame and comprises a front longitudinal beam part and a rear longitudinal beam part which are pivoted to two ends of a longitudinal beam limiting part, each said front longitudinal beam part and the corresponding rear longitudinal beam part can be folded downwards relative to the corresponding longitudinal beam limiting part or be limited upwards to form one said linear longitudinal beam;each said side frame comprises two first oblique beams, wherein first ends of the two first oblique beams are pivoted together, and second ends of the two first oblique beams are separately pivoted to the front frame and the rear ...

Automatic mold opening and closing mechanism and mold opening and closing method

The invention discloses an automatic mold opening and closing mechanism and a mold opening and closing method.The automatic mold opening and closing mechanism comprises an opposite-direction moving mechanism, the opposite-direction moving mechanism comprises a bidirectional lead screw capable of actively rotating and nuts symmetrically connected to the bidirectional lead screw in a threaded mode, rack plates are fixed to the lower portions of the nuts, and gear heads are engaged to the lower portions of the rack plates; the device comprises two gear heads, gear shafts are fixed to the middles of the gear heads, rocker arms are installed below the gear heads, mold bodies are fixed to the lower ends of the two rocker arms, a lifting structure is arranged between the two gear heads, and a pouring assembly is installed below the lifting structure. The rocker arms are connected between the gear heads and the mold main bodies, so that the two rocker arms can rotate simultaneously, the molds on ...

Method for identifying maternal pollution in antenatal diagnosis

The invention provides a method for identifying maternal source pollution in antenatal diagnosis by using CNV-seq sequencing data, namely directly using data of the antenatal diagnosis without additional experiments. The maternal source pollution is judged by using the parameters of the allele frequency of the single chromosome. According to the method, peripheral blood of a pregnant woman does not need to be additionally collected, an STR maternal pollution checking experiment does not need to be additionally carried out, maternal pollution can be rapidly identified while chromosome copy number variation of an amniotic fluid sample is diagnosed, the detection efficiency is improved, and the detection cost is reduced.

Partition door

The utility model relates to a partition door, including door major structure, molding door frame structure, molding aluminium veneer, heat preservation rock wool, the one end of molding door frame structure with the door major structure is connected, the other end of molding door frame structure with heat preservation rock wool connects, molding aluminium veneer sets up heat preservation rock wool's the inboard and the outside. The utility model discloses a molding door frame structure makes whole partition door's simple to operate, simultaneously, through set up heat preservation rock wool between inside and outside molding aluminium veneer, has not only had noise proof effect, but also has had thermal -insulated effect, has enlarged the application, can extensively popularize and apply.

Method for simultaneously measuring electro-optic coefficients Pockels and Kerr

The invention provides a method for simultaneously measuring electro-optic coefficients Pockels and Kerr, belonging to the technical field of electro-optic measurement. In the method, surface plasmon wave is excitated by adopting prism coupling so that the energy of the incident light is coupled into the surface plasmon wave mode and the guided wave mode and the energy of the reflected light attenuates rapidly to form a series of resonance curves, namely attenuated total reflection (ATR) curves; and a triangular wave voltage is applied to modulate the incident light, the ATR curves slightly move horizontally, the intensity of the reflected light varies, and the coefficients Pockels and Kerr are solved through the variable quantity.

Multi-element LDPC (Low Density Parity Check) code construction method for M-element spread spectrum underwater acoustic communication

The invention discloses a multivariate LDPC (Low Density Parity Check) code construction method for M-element spread spectrum underwater acoustic communication, which comprises the following steps of: 1, determining a variable node degree n and a check node degree m according to a target code rate R and a code length N, and simultaneously selecting and optimizing a degree distribution pair; and 2, constructing a multivariate LDPC code basis matrix Hb by adopting a progressive edge growth algorithm according to the variable node degree n, the check node degree m and the variable node degree distribution in the step 1. According to the invention, the communication quality is improved by jointly using the M-element spread spectrum and the multi-element LDPC code in the underwater acoustic communication.

Power converter with digital calibration function

The invention relates to an output voltage regulating circuit for a buck switch power converter. The invention aims at the problems that the gain of an error amplifier is reduced and that the requirement on a load regulation rate cannot be met in the prior art, and provides a power converter for regulating output voltage by employing digital technology. The technical scheme is that: the power converter with digital calibration function comprises a control logic unit, an error amplifier, a pulse-width modulation (PWM) comparator, a driving unit and an output unit, and is characterized by also comprising a digital control unit, wherein an input end of the digital control unit is connected with output voltage and an output end of the digital control unit is connected with error voltage; and when the output voltage exceeds a preset range, the digital control unit changes the amplitude of the error voltage in a stepping mode, so that the output voltage is kept in the preset range. The digital ...

Double-station type nonmetal powder 3D printer

The invention discloses a double-station type nonmetal powder 3D printer. A main rack is of a frame structure. The spreading plate is horizontally and fixedly arranged in the main rack, and two feeding holes are formed in the spreading plate; the two sets of printing jigs are fixedly arranged below the material spreading plate in the main machine frame, and the forming cylinders of the two printing jigs are located under the two feeding holes in the material spreading plate correspondingly and communicate with the two feeding holes. The raw material storage box is fixedly arranged above the spreading plate in the main rack; the scraping mechanism comprises a scraping assembly and a first driving mechanism, the first driving mechanism is fixedly arranged on the main rack, and the scraping assembly is connected with the first driving mechanism and abuts against the spreading plate; the laser forming mechanism comprises a laser device and a second driving mechanism, the second driving mechanism ...

Phase position check method of high voltage cable frogging interconnected system

The invention discloses a phase position check method of a high voltage cable frogging interconnected system. The method includes the steps that first, a detection person performs wiring on the first segment of a high voltage cable; second, the detection person goes to a first connector box of the high voltage cable to check the phase position of the frogging interconnected system; third, the detection person goes to a second connector box of the high voltage cable to check the phase position of the frogging interconnected system; fourth, the steps are repeated till all the phase position check work of the frogging interconnected system is completed. According to the method, an existing phase position check method of the high voltage cable frogging interconnected system is improved, and in other words, under the condition that no person is located at the opposite end for cooperation with the detection person, the phase position check work can be completed fast and efficiently just through ...

Fast and accurate synchronization method for spread spectrum underwater acoustic communication

The invention relates to the field of underwater acoustic communication, particularly to a fast and accurate synchronization method for spread spectrum underwater acoustic communication. The method adopts an m sequence cyclically extended as a frame header, a receiving end uses an m-sequence thumbtack-shaped time-frequency blur characteristic and adopts the fast Walsh transform processing to successively perform frequency deviation coarse and fine search and estimate the initial frequency deviation value of a frame header signal, and a sliding correlation method is used to estimate the starting moment of the frame header signal, so as to complete frame synchronization. A time and frequency synchronization tracking loop is designed by adopting fast Walsh transform processing to further complete time and frequency tracking on each spread spectrum symbol in a frame body. The method has the advantages of overcoming the defect that the conventional method needs to store a plurality of PN sequence ...

Preparation method and application of cyclofructosan cross-linked polymer coating fiber

The invention relates to a preparation method and application of a cyclofructosan cross-linked polymer coating fiber, and provides a preparation method of a cyclofructosan cross-linked polymer coating fiber, which can uniformly synthesize a cyclofructosan cross-linked polymer on the surface of an aminated glass fiber in situ. After the prepared cyclofructosan cross-linked polymer coating fiber is used for an in-tube fiber solid phase microextraction (IT-SPME) method, the detection limit is low, the sensitivity is high, and the reproducibility is good in subsequent analysis. The prepared cyclofructosan cross-linked polymer coating fiber can be repeatedly used for at least 200 times, the extraction performance of the fiber is not obviously changed, and the fiber has excellent stability and durability.

Satellite beam resource allocation method and neural network model training method

The invention provides a satellite beam resource allocation method and a neural network model training method, and the method comprises the following steps: obtaining a deviation angle AoD of a target user, and an error distribution parameter of the AoD; determining a statistical channel model based on AoD, and processing the error distribution parameters by adopting a neural network model to obtain a first diagonal matrix; determining a power allocation factor based on a statistical channel model, and determining a user unit norm beam forming direction based on the first diagonal matrix; determining a beam forming vector based on the power allocation factor and the user unit norm beam forming direction; and allocating beam resources of the low-orbit satellites based on the beam forming vector. The satellite beam resource allocation method provided by the invention has the advantages of reducing satellite computing resource occupation and improving satellite constellation energy efficiency ...

Rare earth doped light switchable up-conversion nano-composite particle as well as preparation method and application thereof

The invention provides a rare earth doped light switchable up-conversion nano composite material as well as a preparation method and application thereof. According to the rare earth doped light switchable up-conversion nanocomposite, NaErF4 nanoparticles serve as an inner core, the outer surface of the inner core is sequentially coated with a first shell layer, a second shell layer and a third shell layer, the first shell layer comprises NaYbF4, the second shell layer comprises NaYbF4: Nd, and the third shell layer comprises NaYF4: Yb and Tm. The rare earth doped up-conversion nano composite material provided by the invention has a three-excitation-three-emission luminescence characteristic, that is, red light, blue light and green light can be independently emitted under the excitation of three near-infrared light sources (808nm, 980nm and 1550nm) by coating a few shell layers.

Current mode converter with self-calibration output

The invention discloses a current mode converter with self-calibration output, which aims at solving the problems in the prior art that the gain of an error amplifier is reduced and cannot meet the requirement of load regulation rate. The current mode converter specifically comprises a control logic unit, an error amplifier, a driving and dead zone control unit, a first pull-up resistor, a second pull-up resistor, a PWM (pulse width modulation) comparator and an output unit, and also comprises a digital calibration control unit, wherein the digital calibration control unit comprises a first comparator, a second comparator, a calibration module and a current mirror module. The current mode converter controls the change of current flowing through the second pull-up resistor connected on the error amplifier through the digital calibration control unit, and further changes the error voltage by a stepping method so as to maintain a smaller fluctuation of the output voltage within a wider load ...

Partition wall

The utility model relates to a partition wall, including molding aluminium veneer, heat preservation rock wool, square pipe, U type aluminium alloy, molding aluminium veneer is located heat preservation rock wool's inside and outside both sides, square pipe sets up heat preservation rock wool's centre, two U type aluminium alloy cover is in the outside of square pipe, opening part in the relative state of these two U type aluminium alloies. The utility model provides a partition wall is through establishing two U type aluminium alloies at square outside of tubes side cover for whole partition wall's simple to operate simultaneously, through set up heat preservation rock wool between inside and outside molding aluminium veneer, has not only had noise proof effect, but also has had thermal -insulated effect, has enlarged the application, can extensively popularize and apply.

Silicon oxide material with rod-like structure as well as synthesis method and application of silicon oxide material

The invention discloses a silicon oxide material with a rodlike structure as well as a synthesis method and application thereof. The synthesis method comprises the following steps: step 1, preparing silicic acid; 2, preparing a seed crystal; 2, pure water, alcohol and organic weak base are added into the silicic acid prepared in the step 1, the alcohol serves as a polymerization inhibitor, the organic weak base serves as a pH value regulator, under the combined action of the silicic acid, the alcohol polymerization inhibitor and the organic weak base, the normal polycondensation nucleation process of the silicic acid is interfered, and the prepared seed crystal is in a chain shape; and step 3, preparing a base solution from the chained seed crystal, further synthesizing and growing particles with rod-like structures by adopting a constant liquid level evaporation method, further growing the particles to obtain the silicon oxide material with the rod-like structures, so that the polishing ...

Medium-voltage cable accessory defect model based on RTV coatings

The invention relates to a medium-voltage cable accessory defect model based on RTV coatings. The medium-voltage cable accessory defect model is mainly characterized by comprising a main insulator, insulation shielding layers, a conductor crimping pipe and a cold-shrink intermediate connector, wherein the insulation shielding layers are arranged at the two ends of the main insulator, and after cables at the two ends are connected through the conductor crimping pipe, the cold-shrink intermediate connector is located outside the whole. The main insulator, the insulation shielding layers and the cold-shrink intermediate connector are provided with one of four defect models, wherein the four detect models are defect model for the air gap between the conductor crimping pipe and the main insulator, the defect model for semiconductive fracture scratches, the defect model for main insulator scratches and the waterproof defect model. The cold-shrink intermediate connector made of transparent silicone ...

Three-dimensional motion detection device based on artificial intelligence

The invention relates to a three-dimensional motion detection device based on artificial intelligence. The problems that an existing camera is not provided with a corresponding angle adjusting mechanism, the shooting range of the camera cannot be adjusted, three-dimensional motion detection can only be conducted in a specific area, and the detection range is limited are effectively solved. According to the technical scheme, the three-dimensional motion detection device based on artificial intelligence is provided with a rotating mechanism, an angle adjusting mechanism and an electronic level meter, the rotating mechanism and the angle adjusting mechanism can conveniently control a motion capture camera body to rotate and adjust the shooting angle, and real-time adjustment can be carried out according to a detected object; the motion capture camera body can move along with a detected object, the detection range is enlarged, a farther moving path and range can be detected, the inclination ...

Polymer coating fiber, preparation method and application of polymer coating fiber in detection of trace polycyclic aromatic hydrocarbon

The invention belongs to the technical field of organic pollutant detection, and discloses a polymer coating fiber, a preparation method and application of the polymer coating fiber in trace polycyclic aromatic hydrocarbon detection, the method comprises the following steps: S1, phenyl derivatization treatment of glass fiber to obtain phenyl derivatized glass fiber; s2, preparing benzylated cyclodextrin subjected to homogeneous synthesis; s3, preparing a polymer coating fiber, so as to obtain the cyclodextrin cross-linked porous polymer coating fiber. According to the preparation method, an in-situ polymerization method is adopted, and the components, the proportion and the preparation process are matched, so that the prepared polymer coating fiber has a unique microstructure, has the advantages of wide linear range, good reproducibility, large enrichment rate, low detection limit and the like, and has the advantages of simplicity in synthesis, good repeatability, strong adsorption capacity ...

Disease-prevention and seedling-growth nutrient soil and production method thereof

The invention provides a disease-prevention and seedling-growth nutrient soil and a production method thereof. The disease-prevention and seedling-growth nutrient soil includes subsoil layer soil and a seedling-growth nutritional fertilizer according to a ratio of 50L/1kg, the subsoil layer soil is subsoil layer soil distributed in red soil or yellow soil unplanted with crops of soil hills or slopes, and the seedling-growth nutritional fertilizer is a fertilizer not carrying diseases or pests. The production method includes the following steps: selecting the ground or cement ground as a yard, and cleaning and disinfecting the yard; collecting the subsoil layer soil, and piling to form a soil pile; adding the seedling-growth nutritional fertilizer; and crushing soil, and mixing soil. The disease-prevention and seedling-growth nutrient soil prevents diseases and insect pests from the source, significantly reduces the occurrence and spread of the diseases and insect pests, reduces the use ...

Method for measuring insulation aging life of crosslinked polyethylene high-voltage cable in electrothermal composite field

The invention relates to a method for measuring the insulation aging life of a crosslinked polyethylene high-voltage cable in an electrothermal composite field, and the method comprises the steps: placing a crosslinked polyethylene high-voltage cable insulation plate sample and an experimental electrode in an oil bath cycle, and obtaining the characteristic breakdown time of the crosslinked polyethylene high-voltage cable insulation plate sample under different electric field intensities and temperature conditions; according to the method, the cross-linked polyethylene high-voltage cable insulation aging life model is constructed, the cross-linked polyethylene high-voltage cable insulation aging life is calculated, the obtained life result can be verified by using the characteristic, and the insulation aging life evaluation accuracy is improved. Meanwhile, through the oil bath circulating device, the crosslinked polyethylene high-voltage cable is kept in a constant-temperature environment ...

On-line cleaning device and on-line cleaning method for ion exchange column

The invention discloses an on-line cleaning device and an on-line cleaning method for an ion exchange column, and belongs to the technical field of application of ion exchange columns. The online cleaning device comprises an ion exchange column, a negative pressure material lifting tank, a vacuum negative pressure pump and air compression equipment, a material lifting pipe penetrating through the inner side and the outer side of the ion exchange column is arranged on the upper portion of the ion exchange column, the outer side end of the material lifting pipe is communicated with the lower portion of the negative pressure material lifting tank through a guide pipe, and the upper portion of the negative pressure material lifting tank is communicated with the vacuum negative pressure pump and the air compression equipment. The negative-pressure lifting tank is used for alternately forming negative pressure and positive pressure in the negative-pressure lifting tank, so that resin in the ion ...

DEVICE FOR MEASURING ELECTRICAL TREEING OF MEDIUM VOLTAGE CABLES

A device for measuring electrical treeing of medium voltage cables. The device includes a plurality of test units connected in parallel. Each test unit includes: a test cup and an insulating base. The test cup includes an inner cavity for accommodating a salt solution, an insulating cover equipped with a first electrode, and an opening. The insulating base includes a side wall, an insulating washer, a second electrode, a conductor, and a through hole from top to bottom. The test cup is disposed on the insulating base. The lower part of the test cup is surrounded by the side wall and presses on the upper surface of the insulating washer. The lower part of the test cup is in threaded connection with the side wall. The space between the opening and the test sample is sealed by the insulating washer. 2. The device of claim 1 , wherein the test sample is selected from an insulating layer of an XLPE medium voltage cable claim 1 , and a thickness thereof is 1 mm.3. The device of claim 1 , whereina plurality of the test units are arranged inside a test box;a bottom of the test box is grounded;the insulating base of each test unit is fixed inside the test box; andeach of the second electrodes is connected to the bottom of the test box via a corresponding conductor. This application is a continuation-in-part of International Patent Application No. PCT/CN2012/074600 with an international filing date of Apr. 24, 2012, designating the United States, now pending, the contents of which, including any intervening amendments thereto, are incorporated herein by reference. Inquiries from the public to applicants or assignees concerning this document or the related applications should be directed to: Matthias Scholl P.C., Attn.: Dr. Matthias Scholl Esq., 14781 Memorial Drive, Suite 1319, Houston, Tex. 77079.1. Field of the InventionThe invention relates to the field for measuring power cables, and more particularly to a device for measuring electrical treeing in XLPE medium voltage ...

Electric drive system of two-gear electric automobile

The invention relates to an electric drive system of a two-gear electric automobile. The electric drive system is characterized in that a rotor shaft is hollow, so that a differential mechanism can be arranged inside the rotor shaft; a synchronizer is arranged on an inner gear ring; a first-gear engagement gear ring and a second-gear engagement gear ring are arranged on the synchronizer in an engaged manner, the first-gear engagement gear ring is fixedly connected to a gusset, and the second-gear engagement gear ring is connected to a differential shaft through keys, so that a gear shifting structure is formed; the differential shaft is hollow, so that a gear shaft of a right main reduction gear can be arranged inside the differential shaft. The electric drive system has the advantages that the high integration of a motor, a transmission and the differential mechanism can be realized, and the power performance of the electric automobile is improved.

Process for preparing nourishing foods of water caltrop

The invention provides a production method for water caltrop nutrition food, which comprises the steps as follows: 1. fresh and mature caltrops are cleaned, the impurities thereof are removed, and the shells thereof are dried or sunned dryly; 2. the shells are removed and the kernels are taken for use; 3. the kernels are dipped by citric acid solution so as to remove alizarinopurpurin; 4. the caltrop kernels are dried or sunned dryly; 5. the caltrop kernels are crushed; 6. the dry caltrop kernels are cured; 7. swelling rice powder, high-quality mature wheat powder, vanillin, white sugar, common salt, non-dairy creamer, primary maltol, sodium ethylene diamine tetracetate; 8. weighing and packaging; 9. detecting, packaging and warehousing. The production method of the invention is simple; the product has the advantages that 1. the food prepared by the production method can be eaten by the infusing with water; the water caltrop has strong fragrance; 2. the caltrop has rich nutrition composition ...

EXT1 or EXT2 diagnostic kit based on single cell transcriptome mRNA level

The invention provides a kit for performing EXT1 and/or EXT2 gene sequence detection on an embryo before implantation and application thereof, the kit comprises one or more of the following four primer pairs: a primer pair 1: a first upstream primer: SEQ ID No: 1, a first downstream primer: SEQ ID No: 2, a primer pair 2: a second upstream primer: SEQ ID No: 3, a second downstream primer: SEQ ID No: 4, 3, a primer pair 3: a third upstream primer: SEQ ID No: 5, and a third downstream primer: SEQ ID No: 6, and the primer pair 1: a first upstream primer: SEQ ID No: 1, a first downstream primer: SEQ ID No: 2, a second upstream primer: SEQ ID No: 3, a second downstream primer: SEQ ID No: 3, a third upstream primer: SEQ ID No: 4, and a third downstream primer: SEQ ID No: 5. 4) primer pair 4: a fourth upstream primer: SEQ ID No: 7, and a fourth downstream primer: SEQ ID No: 8. According to the method, diagnosis is performed based on a transcriptome, the possibility of tripping is reduced, the accuracy ...

Phosphorus-free and nitrogen-free before-coating conversion agent and preparation method thereof

The invention relates to the technical field of chemical materials, in particular to the field of IPC C23C22, and more particularly relates to a phosphorus-free and nitrogen-free pre-coating conversion agent and a preparation method thereof. The phosphorus-free and nitrogen-free conversion agent before coating is prepared from the following components in percentage by mass: 3 to 15 percent of fluorine ion compound, 0.02 to 1 percent of nano dispersion liquid, 0.01 to 1 percent of low-carbon alcohol, 1 to 5 percent of silane coupling agent, 0.1 to 2 percent of nitrogen-free oxidant, 0.01 to 0.5 percent of zirconium sol, 0.01 to 0.5 percent of titanium sol, 0.1 to 0.5 percent of complexing agent, 0.15 to 0.3 percent of rare earth compound and deionized water. The conversion agent before coating is safe and environment-friendly, and is uniform in film formation, high in conversion speed and good in anti-rust property.

Repairing liquid injection system for cross-linked cable

FOLDING CHAIR HAVING A SIDE TABLE

A folding chair having a side table, including a folding chair frame and a folding table frame that is foldably linked with the folding chair frame, a plurality of support connectors are provided on the upper end of the folding table frame, and the plurality of support connectors are in the same horizontal plane to support tabletop when the folding table frame is in an unfolded state. The independent folding chair frame and folding table frame are provided. A plurality of support connectors is provided on the upper end of the folding table frame so as to place tabletop. It is implemented by providing the side table and chair frame independently. The side table is provided with a relatively large size, which has relatively more items being placed. The folding chair frame and the folding table frame are formed in a folding linkage to achieve unified folding. 1. A folding chair having a side table , comprising a folding chair frame and a folding table frame that is foldably linked with the folding chair frame , a plurality of support connectors is provided on the upper end of the folding table frame , and the plurality of support connectors are in the same horizontal plane to support table top when the folding table frame is in an unfolded state.2. The folding chair having the side table according to claim 1 , the folding table frame has a hollow accommodating space in the unfolded state.3. The folding chair having the side table according to claim 1 , the folding chair frame comprises: a seatback tube and a foldable rear chair side frame claim 1 , a front chair side frame and two side chair side frames claim 1 , the two side chair side frames being arranged with a space are connected between the rear chair side frame and the front chair side frame and formed in a linkage connection claim 1 , the rear chair side frame is sleeved on the seatback tube claim 1 , and a position limiting structure is provided between the seatback tube and the rear chair side frame to limit ...

Motor and speed changer integrated power assembly for battery electric vehicles

The invention relates to a motor and speed changer integrated power assembly for battery electric vehicles. The motor and speed changer integrated power assembly comprises a motor, a speed changer and a differential mechanism; the motor comprises a stator, a rotor and a rotor base, and the stator is located on the inner wall of a motor shell; a first electromagnetic brake and a second electromagnetic brake are further arranged on the inner wall of the motor shell, a gear ring is arranged on the first electromagnetic brake in a matched mode, and a planet carrier is arranged on the second electromagnetic brake in a matched mode; the planet carrier is further respectively provided with three front-row planet wheels and three back-row planet wheels; front-row sun wheels are arranged at one axial end of the rotor base; back-row sun wheels are fixedly connected with flanges on a shell of the differential mechanism through screws; one end of the differential mechanism is located in the tubular ...

Method utilizing bacillus subtilis to produce adenosine cyclophosphate

The invention discloses an industrial method to produce adenosine cyclophosphate, which is used as a medicine and biochemical reagent. The invention further discloses a gene which codes a protein with adenylate cyclase activity and can be applied to the production method mentioned above, a recombinant DNA containing the gene, a novel bacterium strain containing the recombinant DNA, and a method utilizing the novel bacterium strain to produce adenosine cyclophosphate.

Mechanical endurance test instrument for high voltage switch

The invention relates to a high voltage switch mechanical service-life tester which comprises a casing and an internal control circuit thereof. The control circuit is composed of a power-supply input control circuit, a protective circuit, an automatic test control circuit and a manual test control circuit. An input terminal of the power-supply input control circuit is connected with an AC power-supply input port on the casing and an output terminal thereof is respectively connected with the protective circuit and the manual test control circuit; the protective circuit is connected with the automatic test circuit; the automatic test circuit and the manual test circuit are simultaneously connected with a test terminal and a counting display device on the casing; the counting display device is connected with a DC power supply input port. The structural design of the invention is proper; the operation is convenient and the capability is safe and reliable; the work efficiency is enhanced so ...

Alternating current and direct current input detection device

The invention discloses an alternating current and direct current input detection device which comprises an alternating current and direct current input conditioning circuit, an alternating current phase lock circuit, a phase lock dead zone control circuit, an alternating current and direct current signal screening circuit and an alternating current and direct current signal output circuit which are sequentially connected and respectively connected with an auxiliary power supply circuit. The alternating current and direct current input conditioning circuit modulates the voltage at the output end of a power supply to convert alternating current sinusoidal signals into same-phase square wave signals, the alternating current phase locking circuit performs filtering and locking, and the phase locking dead zone control circuit adds the square wave signals formed by front-stage phase locking into dead zone time. And the AC/DC signal output circuit compares the screened AC/DC input signal with ...

LED power module's mounting structure

The utility model discloses a LED power module's mounting structure, this mounting structure includes: an open end and be the end cap of cavity setting in order to be used for holding LED power module has, insert to the end cap open end is in order to cover the end cap lid of the open end of end cap, wherein, the end cap is equipped with near its open end department and is used for the installation the first screw hole of end cap lid, the inner wall that the end cap is close to the open end sets up a boss at least, the boss with first screw hole is relative, end cap lid with the corresponding position of first screw hole is equipped with the screw through -hole with the screw adaptation, the outer wall of end cap lid corresponds the position of boss be equipped with with the trip of boss adaptation, the trip with the boss block is connected.

Burner for radiant tube

The invention provides a burner for a radiant tube. The burner comprises a burning chamber. One end of the burning chamber is connected with a primary air-distributing disc; the other end thereof is connected with a flow-limiting disc; the middle of the primary air-distributing disc is provided with a gas pipe hole; the outer periphery of the primary air-distributing disc is peripherally provided with a plurality of primary air holes; the middle of the flow-limiting disc is provided with a spout; the outer periphery of the flow-limiting disc is peripherally provided with a plurality of secondary air holes. The burner has the advantages that ignition of low-caloric converter gas on the burner is guaranteed, stable burning of the low-caloric converter gas is guaranteed, and uniform temperature of the radiant tube is guaranteed.

Contradictory construction method of Java-software watermark-embedding dummy method

A contradictory construction method of a Java-software watermark-embedding dummy method includes calling data with same characteristics in software, coding the data, and performing set calculation on the codes to enable the calculated constant value to be zero and to serve as the value of a contradictory. The contradictory construction method has the advantages that technical measures such as the Java reflection mechanism, dynamic and random generation of 0 and 1 strings and encoding and decoding of positive and inverse codes are combined and utilized organically, so that the dummy method constructed by the contradictory construction method has good stealthiness and is not easy to perceive and discover, and various common attacks, such as semantic conversion attacks, statistics attacks, code increase and decrease attacks and single-step tracking and debugging attacks, to software watermarks can be effectively resisted.

Angle welding modeling method and equipment for simulation and storage medium

The invention belongs to the technical field of fillet welding simulation modeling, and particularly relates to a fillet welding modeling method and device for simulation and a storage medium. A simulation model is selected and opened in PRIMER software, an automatic script is operated, welding spot information is input, size information of welding spots is defined, the fillet welding position is determined, and welding spot coordinates are solved and calculated through space coordinates of nodes A, B, C and D and the length and height of the welding spots; welding spot node coordinates of all welding spots of angle welding are input into PRIMER software, and angle welding modeling automation is achieved; according to the method, automatic modeling of the fillet welding finite element model and accurate calculation of the fillet welding spot coordinates can be achieved.

System model construction method and system simulation method for low-orbit constellation system

The invention provides a low-orbit constellation system-oriented system model construction method and system simulation method, and belongs to the field of low-orbit constellation system simulation and efficiency evaluation. According to the construction method, lightweight simulation modeling is carried out on functional entities of a space section, a ground section, an application section and an environment section, models constructed in the space section comprise a constellation configuration model, an attitude and orbit control subsystem model and a satellite load model, the ground section comprises a main gateway station model and an auxiliary gateway station model, a large-scale terminal model is constructed in the application section, and a large-scale terminal model is constructed in the environment section. The environment section comprises a satellite-ground microwave channel sub-model and an inter-satellite laser channel sub-model, and model interaction design is carried out ...

Abdominal belt

The utility model discloses an abdominal belt, included the winding effect and bear area body main part (1) and elastic webbing (2) of carrier effect, elastic webbing (2) set up the one end in area body main part (1), and still including fixed band (3) that are used for retraining elastic webbing (2) elastic reaction, fixed band (3) set up the one end in area body main part (1), and the free end of fixed band (3) is equipped with fixed take the lead (5). Beneficial effect: be connected with taking body main part through fixed taking the lead for abdominal belt temporarily loses elasticity, and in a particular case such as coughing, sneeze in the disease plays the notched effect of protection, and disease oneself just can conveniently be operated, convenient to use, excellent in use effect moreover.

Frying and baking machine

The utility model provides a frying and baking machine, include: the overware, shell, shell include body and shell handle, and the shell handle is connected with the body, and the body cladding is in the outside of overware, the temperature sensing discernment portion of discolouing, the temperature sensing discolours discernment portion and sets up on the body of shell. Through set up the temperature sensing discernment portion of discolouing on the body of shell to temperature when making the overware heating is transmitted for the temperature sensing discernment portion of discolouing through the body, and makes the temperature sensing discolour discernment portion to discolour, thereby makes the consumer through observing the discolour colour state of discernment portion of temperature sensing, just can judge in advance frying and baking machine's the condition of heating. Has substituted original pilot lamp owing to adopt the temperature sensing to change colour discernment portion ...

Baking-free brick production process

The invention belongs to the technical field of building materials, and relates to a baking-free brick production process, which comprises the following steps: material storage yard, drying, crushing and sieving, material storage, weighing and burdening, dry stirring and premixing, slurry preparation, brick pressing by a brick making machine, maintenance and airing drying to prepare a baking-free brick, and removing organic matters in sludge at high temperature during drying; when the slurry is prepared, a premix is conveyed to a stirrer through a belt, and water is added into the premix in a spraying mode; adding a plurality of small materials into the premix, and stirring to obtain slurry with the water content of 24-26%; when the brick making machine carries out die-pressing brick making, the slurry is conveyed to the brick making machine through a belt, and die-pressing brick making is carried out in a vibration and static pressure mode; the baking-free brick production process has ...

Motor-driven planetary gear train gear shifting mechanism

The invention relates to a motor-driven planetary gear train gear shifting mechanism, which consists of a planetary gear train mechanism, a synchronizer and a gear shifting transmission fork mechanism, wherein the planetary gear train mechanism comprises a center wheel, an inner gear ring, a planetary carrier and three planetary gears; the planetary carrier is formed by the fact that a disk is coaxially connected with one spindle; the three planetary gears are evenly distributed on the disk and are respectively meshed with the center wheel and the inner gear ring; one side of the inner gear ring is connected with a tubular shaft sleeve; the shaft sleeve sheathes the spindle of the planetary carrier; one side of the synchronizer sheathes the shaft sleeve of the inner gear ring, and the other side of the synchronizer sheathes the spindle of the planetary carrier; the gear shifting transmission fork mechanism comprises a transmission fork, a ball screw and a servo motor. According to the motor-driven ...

Flat-sheet ink-jet printer capable of ensuring flatness of paper

The invention discloses a flat-sheet ink-jet printer capable of ensuring the flatness of paper, which comprises an ink-jet printer body, and the ink-jet printer body is provided with a feeder area, a pull gauge area, an ink-jet area, a drying area, a waste kicking area and a paper collecting area, and is characterized in that the feeder area, the pull gauge area, the ink-jet area and the paper collecting area are arranged at the joint of the pull gauge area and the ink-jet area; humidifying mechanisms are arranged at the joint between the code spraying area and the drying area and the joint between the code spraying area and the drying area respectively, each humidifying mechanism comprises a humidifying pipeline, a plurality of steam spraying holes distributed at equal intervals are formed in the top end face of each humidifying pipeline, drainage holes are further formed in the bottom end faces of the two ends of each humidifying pipeline, one end of each humidifying pipeline is closed ...

Shovel type furrow opener

The invention discloses a shovel type furrow opener. The shovel type furrow opener comprises a soil shoveling plate, soil separating plates, soil baffles and a connection rod, wherein the soil shoveling plate is composed of a shovel head, a conveying plate at the rear end of the shovel head and a supporting plate arranged at the rear end of the conveying plate; knife edges are arranged at the front end and two sides of the shovel head; the front part of the conveying plate is low, the rear part of the conveying plate is high, and the conveying plate is arranged obliquely; the supporting plate is parallel to the horizontal plane; the two soil baffles are arranged and are connected with the two sides of the conveying plate and the bottom of the supporting plate respectively; the soil baffles and the horizontal plane form included angles of 45-60 degrees so that the soil baffles on the two sides, a furrow bottom and the ground form a reversed trapezium body; the connection rod is vertically ...

Adjustable lamp stand mounting structure

The utility model provides an adjustable lamp stand mounting structure, connect in the connecting piece at this lamp stand top including lamp stand and slidable formula, this lamp stand top sets up the slide rail, and this connecting piece includes sliding connection and fixed connector that rotatable formula links to each other, be provided with on this sliding connection can with slide rail complex clamping structure. The utility model provides an adjustable lamp stand mounting structure can realize the lamp stand parallel translation very conveniently and adjust, can realize the angle modulation of lamps and lanterns, and this lamp stand mounting structure both can be fixed to the wall through fixed connector in addition, can also connect sliding connection fixed to the lamp pole without fixed connector is direct, has multiple mounting means, and it is very convenient to use.

Assembled color palette

The utility model provides an assembled color palette has water container [ 1 ], and its lid is base member [ 11 ], has the platform on the base member, connects with the draw -in groove on the platform to set up a plurality of mixing of colors groove [ 2 ], water container is separated for two parts of clean water tank and bilge pit, the filler pipe that have and mixing of colors trench etc. Was counted, the filler pipe has branch pipe [ 9 ], tub [ 12 ] and outlet pipe [ 10 ] the trident that absorbs water, wherein inhale the water piping connection clean water tank and outlet pipe export in mixing of colors trench top, tub entry that absorbs water there is an one -way inspiratory check valve, branch connection installs in open elasticity gasbag [ 5 ] in sunken of upside, there are a pump [ 14 ] to connect the clean water tank and wash a pond [ 8 ], wash the wash port in a pond and connect the bilge pit through drain valve [ 7 ]. Compared with the prior art, the utility model discloses ...

Furnace wall gun copper box cooling method

Disclosed is a furnace wall gun copper box cooling method. The method is characterized by including that (1) equipment improvement is performed on the side wall of a copper box of a furnace wall gun, in other words, at least two cooling pipes are welded to the inner side of an outer copper plate of the side wall of the copper box of the furnace wall gun, wherein each cooling pipe is provided with an air inlet and an air outlet, cooling pipe orifices in the middle of the side wall of the copper box are set as the air inlets, and cooling pipe orifices in the upper portion and the lower portion of the side wall of the copper box are set as the air outlets; (2) compressed air enters from the air inlets in the middle of the side wall of the copper box and is discharged from the air outlets in the upper portion and the lower portion of the side wall of the copper box, and cooling is performed via the compressed air under the pressure of 2.0-2.8MPa and with the flow more than or equal to 4000Nm3 ...

LED's side cap structure

The utility model discloses a LED's side cap structure, the tip that is located the lamp body is in order to fix LED, and it includes: locate the lid at lamp body both ends is located lid one side relative with the lamp body and with the boss of a lid body coupling, by the sunken D type hole that forms in order to be used for fixed D type connector of boss, two by the sunken screw through -hole that forms of boss, during the installation, two screws run through two respectively the screw through -hole is fixed on the lamp body, so that the side cap structure with lamp body fixed connection.

Multifunctional grandstand chair

A multifunctional grandstand chair includes a chair frame, a cushion movably arranged on the chair frame, and backrest cloth. The chair frame includes a base frame, a backrest tube and two foot supports, which are respectively pivoted to two sides of the base frame and capable of being inwards folded onto the base frame or outwards unfolded to support the base frame. The multifunctional grandstand chair further includes fixed connecting pieces connected between the base frame and the foot supports to limit the maximum unfolding angle of the foot supports. When the multifunctional grandstand chair needs to be transformed into a grandstand chair structure, the foot supports are folded onto the base frame. When the multifunctional grandstand chair needs to be transformed into a common chair, the foot supports are unfolded to be supported on the ground.

Crosslinking polyethylene-insulated cable insulation diagnostic apparatus

Traditional hood area pedestrian head injury assessment and space control method

The invention discloses a traditional hood area pedestrian head injury assessment and space control method, which comprises the following steps: firstly, defining a hood area as six feature areas A, B, C, D, E and F, then acquiring a mapping relation HIC = f (z) between head injury HIC and a distance parameter z for each area based on a large amount of test data and an artificial intelligence algorithm, and after the areas are determined through the mapping relation, determining the head injury HIC according to the mapping relation. And estimating the head injury HIC according to the distance parameter z, or carrying out reverse deduction according to the mapping relation, namely, reversely deducing the required vertical distance z according to the HIC value requirement of a certain head point location, and controlling the arrangement space. According to the invention, the method can achieve the rapid evaluation of the head injury of a conventional hood region in a concept stage, brings ...

Low false alarm rate detection method based on spread spectrum sequence signal

The invention discloses a low false alarm rate detection method based on a spread spectrum sequence signal, and the method comprises the following steps: selecting a direct spread spectrum sequence with a certain length and adding the direct spread spectrum sequence to an information sequence, and taking the direct spread spectrum sequence as a synchronization signal and a training sequence of underwater acoustic communication; the method comprises the following steps: firstly, performing Doppler multi-channel coarse detection and matching correlation detection on a spread spectrum signal by a receiving end, performing sliding correlation processing to obtain a corresponding communication signal starting edge, intercepting a synchronous signal section by utilizing the starting edge, and performing band-pass downsampling and even undersampling processing; carrying out matching correlation processing on the locally stored synchronization signal and the obtained signal segment to obtain an ...

Clinic in vitro potassium determination reagent by enzyme method

Under participation of ATP, HCO3 and Mg, urea is hydrolyzed by urea amidolyase (UAL; EC 3.5.1.45) to generate NH4, HCO3, ADP and Pi. K is activator of UAL enzyme, and activation speed of the UAL enzyme is proportional to concentration of the K. A auxiliary reaction is coupled, NH4 generated by the UAL enzyme reacts with alpha-oxoglutarate, NAD and Glutamate dehydrogenase (GLDH) to generate glutamate and NAD, and under 340 nm wavelength, descent rate of the NADH is proportional to concentration of the K. Concentration of the K is calculate by the descent rate of the NADH. The invention applies the reaction to clinic in vitro determination potassium reagent, and provides optimum double-reagent composition to make stability, accuracy and precision of the agent to optimal state.

Foldable rocking chair

The utility model discloses a foldable rocking chair, including a folding chair frame, the chair frame has four stabilizer blades, and four stabilizer blades are including two stabilizer blades that lie in anterior two stabilizer blades of chair frame and lie in chair frame rear portion, its characterized in that, and still including two rockers that lie in the chair frame left and right sides respectively, the position that two rockers are close to the front end can be dismantled with chair frame two anterior stabilizer blades respectively and is connected, and position that two rockers are close to the rear end can be dismantled with two stabilizer blades at chair frame rear portion respectively and is connected. The utility model discloses a stabilizer blade of chair frame can be dismantled with the rocker and be connected, can realize chair frame and split and combination, puts up and rocker link group together the time when the chair, can realize the function of rocking chair, when ...

Cable dragging device of coal mine fully-mechanized coal winning machine

The invention relates to the technical field of coal mining, and discloses a coal mine roadheader cable dragging device which comprises a plurality of barrels and a plurality of supporting plates, the barrels and the supporting plates are erected between two fixing rods in a suspended mode, and the barrels and the supporting plates are sequentially arranged in a crossed mode. A vertical rod which slides downwards under the gravity of the vertical rod to extrude a cable so as to enable the cable to be bent downwards is inserted into the cylinder body in a sliding mode, a fixed pulley which enables the cable to penetrate through the top of the fixed pulley is rotationally arranged on the supporting plate, one end of the cable is connected with the roadheader, and the other end of the cable is fixed. The cable is pulled to drive the vertical rod to slide upwards to enable the cable to extend when the roadheader advances, and the vertical rod automatically slides downwards to enable the cable ...

Vehicle control method, generator control method, storage medium, and electronic device

The invention provides a vehicle control method, a generator control method, a storage medium and electronic equipment, the vehicle control method comprises the following steps: acquiring environmental pressure in real time; if the environment pressure meets a preset first pressure threshold value, vehicle information is obtained, and the first pressure threshold value is a pressure value corresponding to a high-altitude area; and if the vehicle information meets the preset high-altitude threshold value, generating a generator control signal for controlling the required torque of a generator. By implementing the method, the environment pressure is obtained in real time, if the environment pressure meets the preset first pressure threshold value, the vehicle information is obtained, and if the vehicle information meets the preset high-altitude threshold value, the generator control signal used for controlling the required torque of the generator is generated, so that the generator enters ...

High-sensitivity spiral capacity coupling sensor and installing method thereof

The invention discloses a high-sensitivity spiral capacity coupling sensor and an installing method thereof. The high-sensitivity spiral capacity coupling sensor comprises metal copper sheet electrodes, an insulating spacer, a ground electrode and a sensor body. The installation method comprises the steps of adhering the metal copper sheet electrodes to the insulating spacer to form the capacity coupling sensor; winding the capacity coupling sensor around an outer shielding layer of a cable in the clockwise direction, wherein it is ensured that the insulating spacer is well bonded with the outer shielding layer; leading the metal copper sheet electrodes out through a sensor outgoing line after spiral winding is conducted by three circles, wherein the metal copper sheet electrodes are 44 mm wide, and the distance between the metal copper sheet electrodes is 45 mm. According to the high-sensitivity spiral capacity coupling sensor, spectral response peak value reaches 1400 mV, center frequency ...

Frying and roasting machine

The utility model provides a frying and roasting machine. Frying and roasting machine includes: an upper cover. The handle, handle pivotally connected to covers last, locking mechanical system, handlecan laminate and cover last, and the handle can pass through locking mechanical system and upper cover locking when presetting the angle rotating. The utility model provides an among prior art fryingand roasting machine's handle occupation space, the problem of taking in be not convenient for.

Wash integrated equipment of chromatographic column

The utility model discloses a wash integrated equipment of chromatographic column, it includes, and nitrogen gas lets in tub, solvent bottleholder, a plurality of solvent bottle, waste liquid bottle and chromatogram mount, and solvent bottle and waste liquid bottle set up respectively on the solvent bottleholder, nitrogen gas lets in the pipe and is linked together with each solvent bottle respectively, and the washing liquid export of solvent bottle is connected to through the wash line establishes the washing liquid entry of the chromatographic column on the chromatogram mount be equipped with the peristaltic pump of control washing liquid flow on the wash line, the washing liquid export of chromatographic column is connected to through the waste liquid pipeline the waste liquid entry of waste liquid bottle. This unitized chromatographic column belt cleaning device can use one or more solvents in proper order to the sample in the chromatographic column, the washing of impurity, solvent ...

Low ebb electricity high temperature heat accumulation heating system

The utility model relates to a low ebb electricity application technique field provides a low ebb electricity high temperature heat accumulation heating system, including heat accumulator, air supply unit and the control unit, go out partly low warm air branch pipe, the low warm air branch pipe flow -through orifice of warp, the low warm air branch pipe flow control valve of getting into of air of fan to the bypass mode gets into the blender, partly air admission high temperature air branch pipe, through high temperature air branch pipe flow -through orifice, high temperature air branch pipe flow control valve, by heat accumulator entry entering heat accumulator, the air is got into the blender by the heat accumulator heating after the heat accumulator exports, and the hot -air management after mixing is said and is exported. The utility model discloses system overall structure succinctly easily becomes, and energy density is high, and heat supply temperature steady is adjustable.

Electromechanical conveying and tensioning device for coal mine

The invention discloses a coal mine electromechanical conveying tension device, and relates to the field of coal mine conveying, the coal mine electromechanical conveying tension device comprises a vertical shaft, a loading compartment and a counterweight compartment, the coal mine electromechanical conveying tension device further comprises fixed compartments, the fixed compartments are arranged on the upper side and the lower side of the vertical shaft respectively, and a counterweight part is slidably connected in each fixed compartment; the transmission mechanism is arranged in the vertical shaft, and the transmission mechanism is connected with the upper side and the lower side of each counterweight compartment; and when the counterweight compartment ascends to a preset height, the transmission mechanism is triggered, so that the transmission mechanism pushes the counterweight piece in the fixed compartment into the counterweight compartment, and the self weight of the steel wire rope ...

Fry in shallow oil epitheca subassembly of roast machine and fry in shallow oil roast machine

The utility model provides a fry in shallow oil epitheca subassembly of roast machine and fry in shallow oil roast machine. The epitheca subassembly includes: the trim, epitheca, trim cover to be connected with the epitheca on the epitheca and through the fastener, heat insulation part, heat insulation part set up in order to reduce the hot radiological impact of fastener to the trim between fastener and trim. Through set up heat insulation part between fastener and trim to the messenger is blocked by heat insulation part by the heat that the fastener transmitted, thereby avoid the heat further to carry out the heat radiation to the trim, has effectively reduced the heat that conducts to the trim on, and then has reduced the melten gel risk of trim. Owing to need not to insulate against heat through the space that increases between trim and the epitheca, therefore effectively reduced the height of frying in shallow oil roast machine, made the requirement of frying in shallow oil roast function ...

Method and system of establishing culture sensitive control element for global application

Tester for measuring insulating properties of cross-linked polyethylene

A tester for measuring insulating properties of cross-linked polyethylene, the tester including: a housing including a control panel; a high voltage chamber including an insulating cover, a fixed frame, an insulating oil cup, a high voltage electrode, a ground electrode, and a temperature control device; and a test circuit including a high voltage power supply, a voltmeter, a timer, an overcurrent protection device, and a digital thermometer. The high voltage chamber and the test circuit are arranged inside the housing. The control panel is arranged on the housing. The insulating cover is disposed on the high voltage chamber. The fixed frame is disposed inside the high voltage chamber. The insulating oil cup is mounted on the fixed frame. The high voltage electrode and the ground electrode are disposed oppositely inside the insulating oil cup. The temperature control device is disposed beneath the insulating oil cup.

Transformer box lid formula oil tank case is along welding with stepping on high platform

The utility model discloses a transformer box lid formula oil tank case is along welding with stepping on high platform relates to power transformer manufacturing field, including ware body assembly jig, the upper portion of ware body assembly jig is equipped with the elevating platform, is provided with a plurality of drawer boards on the side of elevating platform. Furtherly, ware body assembly jig include the bottom plate and set up left support plate and the right branch fagging on the bottom plate, both ends set up the inboard at left support plate and right branch fagging respectively about the elevating platform. The utility model relates to a transformer box lid formula oil tank case is along welding with stepping on high platform is equipped with the elevating platform through the upper portion at ware body assembly jig, and then can effectively practices thrift the cost, reduces workman intensity of labour and improves construction factor of safety.

Intelligent substation point-to-point system platform and use method thereof

The invention discloses an intelligent substation point-to-point system platform and a use method thereof, and belongs to the technical field of substations. The device comprises an operation table, a sliding groove is formed in the top of the operation table, a connecting frame is slidably arranged on the inner side of the sliding groove, and a point-to-point system displayer used for displaying point-to-point system information is fixedly arranged on the inner side of the connecting frame; the case is used for placing point-to-point system hardware and is fixedly arranged at the bottom of the operation table; according to the computer case, the motor is adopted to drive the fan blades to input cooled air in the condensation box into the computer case to dissipate heat of hardware, so that the problems that more heat is generated when the hardware equipment is used, and potential safety hazards of the hardware equipment are increased are effectively solved; therefore, moisture in the air ...

THIN FILM TRANSISTOR, MANUFACTURING METHOD THEREOF AND ARRAY SUBSTRATE

A thin film transistor, a manufacturing method thereof and an array substrate are provided. The thin film transistor includes: a gate electrode (102) formed on a substrate (101), a gate insulating layer (103) formed on the gate electrode (102) and covering at least a part of the substrate (101), and a semiconductor layer (105), a source electrode (107a) and a drain electrode (107b) which are formed on the gate insulating layer (103). The material of the semiconductor layer (105) is an oxide semiconductor; and the material of the source electrode (107a) and drain electrode (107b) is the oxide semiconductor which is doped. The source electrode (107a), the drain electrode (107b) and the semiconductor layer (105) are disposed in the same layer.

Non-fertilizer-nutrient effect evaluation method

The invention provides a non-fertilizer-nutrient effect evaluation method. The method comprises the steps of arranging a non-fertilization region in the field to be tested, and measuring the area of the region; measuring the soil available nutrient element content and the soil available nutrient element buffer value before planting; applying no fertilizers during the whole production period, and following regular practices in other aspects; measuring nutrient element absorbing capacity of crops without fertilization during crop harvesting; analyzing and measuring the soil available nutrient element content after harvest; calculating the plough layer soil weight; calculating the soil available nutrient element sum change values; calculating non-fertilizer-nutrient effect values; performing evaluation according to the obtained non-fertilizer-nutrient effect values. According to the method, non fertilizer nutrients are regarded as a whole, actual contribution of nutrients except fertilizers ...

Agitator

The utility model belongs to agriculture and forestry tillage implement field specificly provides an agitator. Agitator, including the braces of taking first connecting portion and rake teeth, rake teeth the place ahead is equipped with the cutting knife, the cutting knife with rake teeth interval distribution. The utility model discloses to loosen the soil and weed and go on in step, avoid weeds winding rake teeth, improve the efficiency of loosening the soil. The utility model discloses can use with large -scale arable land equipment coordination, simple to operate, maintenance are simply.

Adjustable level tester

The invention discloses an adjustable level tester. The adjustable level tester comprises a level tester shell, and a first adjusting gear, a second adjusting gear and a level bubble tube which are arranged inside the level tester shell, wherein the first adjusting gear and the second adjusting gear are meshed, an adjusting knob is fixedly arranged at the center of the first adjusting gear, two ends of the level bubble tube are fixedly arranged at the inner side of the second adjusting gear, and an index dial is arranged on the surface, corresponding to the plane of the second adjusting gear, of the level tester shell, the adjusting knob is arranged on the surface of the level tester shell; the adjustable level tester also comprises an adjustable reference block for adjusting the testing direction of the level tester; the adjustable reference block is fixedly connected with the level tester shell by a bolt. The adjustable level tester has the advantages of being easy to operate, compact ...

POWER CONVERTER WITH THE FUNCTION OF DIGITAL ERROR CORRECTION

This invention relates to the output voltage regulator of step-down switching power converters. This invention provides regulator with digitally adjusted output voltage. It solves the problem of low regulation due to low error amplifier (EA) gain. This invention is a power converter with the function of Digitally Error Correction, consisting of Logic Control, EA, PWM comparator, Driver, power devices and passive components. It features Digital Calibration Circuit whose input terminal is connected to the output voltage and output terminal is connected to the error signal. When the output voltage exceeds the tolerance range, this Digital Calibration Circuit will increase or decrease the error signal step by step, keeping the output voltage in the tolerance range. The Digital Calibration Circuit of this invention can be applied not only in nanometer scale process, but also in traditional process. For those power converters in traditional process, it is also quite promising in applications. 1. A digital calibration power converter comprising a logic control circuit , an error amplifier , a pulse width modulation comparator , a driver circuit and an output stage , where the error amplifier generates an error signal according to an output voltage and a reference voltage , the pulse width modulation comparator tunes a duty cycle according to the error signal , and the logic control circuit realizes a power conversion from an input voltage through the driver circuit and generates the output voltage according to pulses produced by the pulse width modulation , the digital calibration power converter including a digital control circuit having input terminals connected to the output voltage , and having output terminals connected to the error signal , when the output voltage exceeds the set range , said digital control circuit increasing or decreasing the error signal in step when the output voltage exceeds a set range to maintain the output voltage in the set range.2. The ...

Tester for measuring insulating properties of cross-linked polyethylene

A tester for measuring insulating properties of cross-linked polyethylene, the tester including: a housing including a control panel; a high voltage chamber including an insulating cover, a fixed frame, an insulating oil cup, a high voltage electrode, a ground electrode, and a temperature control device; and a test circuit including a high voltage power supply, a voltmeter, a timer, an overcurrent protection device, and a digital thermometer. The high voltage chamber and the test circuit are arranged inside the housing. The control panel is arranged on the housing. The insulating cover is disposed on the high voltage chamber. The fixed frame is disposed inside the high voltage chamber. The insulating oil cup is mounted on the fixed frame. The high voltage electrode and the ground electrode are disposed oppositely inside the insulating oil cup. The temperature control device is disposed beneath the insulating oil cup.

DOUBLE FOLDING CHAIR WITH ROTATION ANGLES

The invention discloses a double folding chair with rotation angles. The double folding chair comprises four backrest pipes and two armrest pipes, wherein the a wrest pipes and the backrest pipes form a folding chair frame, rotation-angle transverse-bracing pipes are arranged between the two backrest pipes in the middle so that a flare angle can be formed between two chair backs, and intermediate connecting pieces which can rotate coaxially are arranged on a front support of the folding chair frame so as to be matched with the rotation-angle transverse-bracing pipes. Since the flare angle can be formed between two chair bodies, chair users can communicate conveniently, and the double folding chair has the advantages of being reasonable in structure, good in user experience etc. 1. A double folding chair with rotation angles , comprising four backrest pipes and two armrest pipes , wherein the armrest pipes and the backrest pipes form a folding chair frame , rotation-angle transverse-bracing pipes are arranged between the two backrest pipes in the middle so that a flare angle is configured to be formed between two chair backs , and intermediate connecting pieces which can rotate coaxially are arranged on a front support of the folding chair frame so as to be matched with the rotation-angle transverse-bracing pipes.2. The double folding chair with rotation angles according to claim 1 , wherein the upper portions of the armrest pipes are hinged with armrest clamping pieces in a matched mode claim 1 , and the lower ends of the armrest pipes are hinged with the intermediate connecting pieces claim 1 , the middle portions of the armrest pipes are each hinged with a cross pipe claim 1 , the upper ends of the cross pipes are hinged with the intermediate connecting pieces claim 1 , the lower ends of the cross pipes are hinged with foot pads claim 1 , and the armrest pipes and the cross pipes form the front support of the folding chair frame.3. The double folding chair with ...

BOTTOM ELECTRODE AND MANUFACTURING METHOD THEREOF

A bottom electrode and a method of manufacturing the same are disclosed. The present invention relates to the field of dry etching, and has solved problems of separately fabrication of the ceramic points and ceramic layer of the conventional bottom electrode, low adhesion strength between the ceramic points and ceramic layer, incidental dropping off the ceramic layer. The bottom electrode includes: a metal substrate and an insulating layer disposed on the metal substrate, wherein the metal substrate comprises: a base substrate and a plurality of protrusion parts disposed on the base substrate, the insulating layer is disposed on surface of the base substrate and the protrusion parts on surface of the base substrate. Insulating protrusion points are formed at the protrusion parts. 1. A bottom electrode comprising a metal substrate and an insulating layer disposed on the metal substrate , wherein the metal substrate comprises: a base and a plurality of protrusion parts disposed on the base , the insulating layer overlaying the base and the plurality of protrusion parts.2. The bottom electrode of claim 1 , wherein the insulating layer on an upper surface of the base has a thickness same as that of the insulating layer on upper surfaces of the protrusion parts.3. The bottom electrode of claim 1 , wherein a material for forming the insulating layer is ceramics claim 1 , alumina or mica.4. The bottom electrode of claim 1 , wherein the upper surfaces of the protrusion parts are planar or curved surfaces.5. The bottom electrode of claim 1 , wherein the protrusion parts are arranged in an array on the base.6. The bottom electrode of claim 1 , wherein the protrusion parts and the base are formed integrally.7. The bottom electrode of claim 1 , wherein the protrusion parts and the base are formed separately and then mounted together.8. A method of manufacturing a bottom electrode claim 1 , comprising:forming a metal substrate with a plurality of protrusion parts: andforming an ...

STRAP-TYPE FOLDING CHAIR

The invention discloses a strap-type folding chair comprising a backrest and a chair seat, wherein the backrest can be adjusted to be in a sitting state or a lying state relative to the chair seat and is provided with a back side, the back side is provided with a strap with an initial end and a final end, the strap penetrates through fixing belts at the top of the backrest, the initial end and the final end of the strap are connected to a chair frame respectively, and at least one end of the strap is connected with the chair frame through a release buckle. By combining the strap with the chair fixing points, the strap-type folding chair can be carried on the back in various forms and has the advantages of being reasonable in structure, high in adaptability, and the like. 1. A strap-type folding chair , comprising a backrest and a chair seat , wherein the backrest can be adjusted to be in a sitting state or a lying state relative to the chair seat and is provided with a back side , the back side is provided with a strap with an initial end and a final end , the strap penetrates through fixing belts at the top of the backrest , the initial end and the final end of the strap are connected to a chair frame respectively , and at least one end of the strap is detachably connected with the chair frame.2. The strap-type folding chair according to claim 1 , wherein the initial end or the final end of the strap is detachably connected with the chair frame through a release buckle.3. The strap-type folding chair according to claim 1 , wherein the two fixing belts are arranged at the positions claim 1 , close to the top claim 1 , of the back side of the backrest claim 1 , the strap penetrates through the two fixing belts claim 1 , and the junction of the initial end of the strap and the chair frame is spaced away from the junction of the final end of the strap and the chair frame by a certain distance.4. The strap-type folding chair according to claim 3 , wherein the strap is ...

Thin film transistor, manufacturing method thereof and array substrate

A thin film transistor, a manufacturing method thereof and an array substrate are provided. The thin film transistor includes: a gate electrode ( 102 ) formed on a substrate ( 101 ), a gate insulating layer ( 103 ) formed on the gate electrode ( 102 ) and covering at least a part of the substrate ( 101 ), and a semiconductor layer ( 105′ ), a source electrode ( 107 a ) and a drain electrode ( 107 b ) which are formed on the gate insulating layer ( 103 ). The material of the semiconductor layer ( 105′ ) is an oxide semiconductor; and the material of the source electrode ( 107 a ) and drain electrode ( 107 b ) is the oxide semiconductor which is doped. The source electrode ( 107 a ), the drain electrode ( 107 b ) and the semiconductor layer ( 105′ ) are disposed in the same layer.

ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF, FLAT PANEL DETECTOR AND IMAGE APPARATUS

An array substrate, a manufacturing method thereof, a flat panel detector and an image apparatus are disclosed. The array substrate includes a base substrate, a low-temperature polysilicon thin film transistor disposed on the base substrate, and a photoelectric converter connected with a first electrode of the thin film transistor. The first electrode includes a first conductive layer, the photoelectric converter is disposed on a side of the first conductive layer facing away from the base substrate, and the first conductive layer includes a material resistant to etching in a process of forming the photoelectric converter. The first electrode is a source electrode or a drain electrode of the thin film transistor. 1. An array substrate , comprising:a base substrate;a thin film transistor on the base substrate; anda photoelectric converter connected to a first electrode of the thin film transistor,wherein the first electrode comprises a first conductive layer, the photoelectric converter is disposed on a side of the first conductive layer facing away from the base substrate, the first conductive layer comprises a material resistant to etching in a process of forming the photoelectric converter, and the first electrode is a source electrode or a drain electrode of the thin film transistor.2. The array substrate according to claim 1 , wherein a material of the first conductive layer comprises at least one of indium tin oxide claim 1 , indium zinc oxide claim 1 , indium gallium zinc oxide claim 1 , indium tin zinc oxide claim 1 , indium gallium tin oxide claim 1 , zinc oxide claim 1 , cadmium oxide claim 1 , and aluminum oxide.3. The array substrate according to claim 1 , wherein the first electrode further comprises a second conductive layer located between the first conductive layer and the base substrate claim 1 , and the second conductive layer comprises metal material.4. The array substrate according to claim 1 , wherein first and second ends of an active layer of ...

Folding chair

A folding chair comprises a seat frame, a front leg bracket and a rear leg bracket, wherein the seat frame comprises at least two support tubes, and the front leg bracket and the rear leg bracket are articulated crosswise to form a foldable support structure. The rear leg bracket and the front leg bracket each have two upper ends corresponding to the two support tubes. The two upper ends of the rear leg bracket are pivoted to the two support tubes respectively. The two upper ends of the front leg bracket are slidably connected to the two support tubes respectively, are limited to first positions of the two support tubes when the foldable support structure is in an unfolded state, and to slide along the two support tubes away from the upper ends of the rear leg bracket when the foldable support structure in the unfolded state is gradually folded.

ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

An array substrate, a manufacturing method thereof and a display device are provided. The array substrate includes: a base substrate; a thin-film transistor and a first conductive layer formed on the base substrate; and a passivation layer formed on the TFT and the first conductive layer. The TFT includes a source electrode and a drain electrode; the first conductive layer is arranged in the same layer with the source electrode and the drain electrode; a second conductive layer is disposed on a side of the first conductive layer opposite to the passivation layer; the passivation layer is provided with a through hole penetrating therethrough; and an orthographic projection of the through hole on the base substrate falls within an orthographic projection of the first conductive layer on the base substrate and falls within an orthographic projection of the second conductive layer on the base substrate. 1. An array substrate , comprising:a base substrate;a thin-film transistor (TFT) and a first conductive layer formed on the base substrate; anda passivation layer formed on the TFT and the first conductive layer, whereinthe TFT includes a source electrode and a drain electrode; the first conductive layer is arranged in the same layer with the source electrode and the drain electrode; a second conductive layer is disposed on a side of the first conductive layer opposite to the passivation layer; the passivation layer is provided with a through hole penetrating therethrough; and an orthographic projection of the through hole on the base substrate falls within an orthographic projection of the first conductive layer on the base substrate and falls within an orthographic projection of the second conductive layer on the base substrate.2. The array substrate according to claim 1 , wherein the array substrate includes a display region and a peripheral region surrounding the display region; the TFT is disposed in the display region; and the first conductive layer and the second ...

BATTERY AND EXTERNAL COMPONENT

The present invention discloses a battery and an external component, which belong to the field of power supply technologies for a movie and television shooting apparatus. The battery of the present invention is used in cooperation with an external component, including at least two battery packs, a microcontroller, and a series-parallel switching circuit, and further including a connector in cooperation with the external component, the microcontroller controlling the series-parallel switching circuit according to a cooperation state of the connector and the external component, so that the battery packs are connected in series or in parallel. The present invention can be compatible with a high/low voltage camera and a high/low voltage charger automatically. 1. A battery , the battery being used in cooperation with an external component , comprising a microcontroller , a series-parallel switching circuit , and at least two battery packs , further comprising a connector in cooperation with the external component , the microcontroller controlling the series-parallel switching circuit according to a cooperation state of the connector and the external component , so that the battery packs are connected in series or in parallel.2. The battery according to claim 1 , wherein the battery further comprises a battery charging and discharging management chip claim 1 , configured to balance a voltage of a battery cell of a battery pack during charging or discharging of batteries in series or in parallel.3. The battery according to claim 2 , wherein the battery charging and discharging management chip is disposed with a communication terminal and a voltage monitoring terminal claim 2 , the communication terminal being connected to the microcontroller and the voltage monitoring terminal being connected to a positive electrode and a negative electrode of the battery pack respectively.4. The battery according to claim 2 , wherein the battery further comprises an on/off protection ...

COLLAPSIBLE BUTTERFLY CHAIR

A collapsible butterfly chair comprises a support frame and a chair cover. The support frame comprises two first side support rods, two second side support rods, two front crossed rods hinged together in crossed mode, two rear crossed rods hinged together in a crossed mode, and two support rods. The first side support rods and the second side support rods are hinged together in a crossed mode and separately arranged on two opposite side vertical faces. Two sliding sleeves are slidably arranged on the two first side support rods in a sleeving mode separately. The lower ends of the support rods are hinged to the sliding sleeves. The upper ends of the support rods are hinged to the upper ends of the second side support rods. 1. A collapsible butterfly chair , comprising a support frame and a chair cover , characterized in that the support frame comprises two first long side support rods , two second short side support rods , two front crossed rods hinged together in a crossed mode , two rear crossed rods hinged together in a crossed mode , and two support rods; the first side support rods and the second side support rods are hinged together in a crossed mode and separately arranged on two opposite side vertical faces , lower ends of the two front crossed rods are separately hinged to lower ends of the two first side support rods , upper ends of the two front crossed rods are separately hinged to upper ends of the two second side support rods , lower ends of the two rear crossed rods are separately hinged to lower ends of the two second side support rods , and upper ends of the two rear crossed rods are separately hinged to the two first side support rods; and the collapsible butterfly chair further comprises two sliding sleeves which are slidably arranged on the two first side support rods in a sleeving mode separately , lower ends of the support rods are hinged to the sliding sleeves , and upper ends of the support rods are hinged to the upper ends of the second side ...

MULTIFUNCTIONAL GRANDSTAND CHAIR

A multifunctional grandstand chair includes a chair frame, a cushion movably arranged on the chair frame, and backrest cloth. The chair frame includes a base frame, a backrest tube and two foot supports, which are respectively pivoted to two sides of the base frame and capable of being inwards folded onto the base frame or outwards unfolded to support the base frame. The multifunctional grandstand chair further includes fixed connecting pieces connected between the base frame and the foot supports to limit the maximum unfolding angle of the foot supports. When the multifunctional grandstand chair needs to be transformed into a grandstand chair structure, the foot supports are folded onto the base frame. When the multifunctional grandstand chair needs to be transformed into a common chair, the foot supports are unfolded to be supported on the ground. 1. A multifunctional grandstand chair , including a chair frame , a cushion movably arranged on the chair frame , and backrest cloth , wherein the chair frame includes a base frame and a backrest tube pivoted to a rear end of the base frame; characterized in that the chair frame further includes two foot supports respectively pivoted to two sides of the base frame and capable of being inwards folded onto the base frame or outwards unfolded to support the base frame; and the multifunctional grandstand chair further includes fixed connecting pieces connected between the base frame and the foot supports to limit a maximum unfolding angle of the foot supports.2. The multifunctional grandstand chair according to claim 1 , wherein the base frame includes base frame cross rods respectively located at a front end and a rear end and base frame tubes respectively located a left end and a right end claim 1 , each said base frame tube is a vertically-arranged annular tube and includes a first tube section located at an upper end claim 1 , a second tube section located at a lower end and two connecting tubes connected between the ...

Folding chair

Moon chair structure

A moon chair structure comprising a seat ring tube, a front leg tube, a rear leg tube and back supporting rods; the front leg tube, the rear leg tube and the back supporting rods form a frame for supporting the seat ring tube; the rear leg tube and the front leg tube intersect with each other to form a supporting leg; slidable sleeves are provided at top ends of the rear leg tube; the slidable sleeves sleeve on the back supporting rods for forward and backward sliding movement on the back supporting rods; the slidable sleeves disposed at the top ends of the rear leg tube are slidable with respective to the back supporting rods; dynamic and variable triangular structures are formed by coordination between the rear leg tube, the front leg tube and the back supporting rods.

Vehicle positioning method for determining position of vehicle through creating target function for factor graph model

The present disclosure provides a vehicle positioning method implemented by an electronic device, including: obtaining sensor data about N frames of a vehicle through a sliding window, N being a positive integer; creating a target function for a factor graph model in accordance with the sensor data about the N frames, and performing optimization solution on the target function; and determining a pose and a position of the vehicle in accordance with a target value obtained through the optimization solution on the target function.

Folding bedstead and folding bed

A folding bedstead and a folding bed comprising same. The folding bedstead comprises a bed surface support frame and a support leg frame. The bed surface support frame comprises intermediate connecting pieces and support units symmetrically arranged at two ends of the intermediate connecting pieces. Each support unit comprises straight connecting tubes pivoted to the intermediate connecting pieces and a U-shaped bed frame tube pivoted at outer ends of the straight connecting tubes. The bed surface support frame is a closed planar frame in an unfolded state. The leg support frame comprises an intermediate leg frame, lateral leg frames, and outer leg frames, wherein the intermediate leg frame is arranged on the intermediate connecting pieces, the lateral leg frames are arranged on the straight connecting tubes in a folding manner, and the outer leg frames are arranged on the U-shaped bed frame tubes in a folding manner.

Vehicle positioning method for determining position of vehicle through creating target function for factor graph model

The present disclosure provides a vehicle positioning method implemented by an electronic device, including: obtaining sensor data about N frames of a vehicle through a sliding window, N being a positive integer; creating a target function for a factor graph model in accordance with the sensor data about the N frames, and performing optimization solution on the target function; and determining a pose and a position of the vehicle in accordance with a target value obtained through the optimization solution on the target function.

Single-stud Cantilever Bent Cap Attached Support Frame System

The present Utility model belongs to the technical field of pier studs, and in particular relates to a single-stud cantilever bent cap attached support frame system. The technical solution is: a single-stud cantilever bent cap attached support frame system, comprising steel box girders provided on both sides of a pier stud, wherein several reserved holes are provided on the pier stud, and perforated steel bars are inserted into the reserved holes; both ends of the perforated steel bar are threaded to two steel box girders, and tensioning steel bars are also threaded between the two steel box girders; both sides of the pier stud are provided with tensioning steel bars; the steel box girder is provided with a girder falling restrainer, on which two longitudinal main steel girders are installed on both sides of the pier stud, and the longitudinal main steel girder is vertical to the steel box girder; several distribution girders are installed between two longitudinal main steel girders, and a safety Operation platform and a bent cap model are installed on the several distribution girders; the distribution girder is provided with a girder pressing device, and a girder pressing bar is threaded between the girder pressing device and the steel box girder. The present utility model provides a single-stud cantilever bent cap attached support frame system with improved stability.

Time sequence protection circuit, electronic device and method for controlling controlled circuit

According to embodiments of the present disclosure, there is provided a time sequence protection circuit. The time sequence protection circuit comprises a first resistor coupled to a positive input pin; a first diode having an anode terminal coupled to the first resistor at a first node and a cathode terminal coupled to a second node; a capacitor coupled between the second node and a negative input pin; a second diode having an anode terminal coupled to the first node and a cathode terminal coupled to an output pin; a third diode having an anode terminal coupled to the output pin and a cathode terminal coupled to the positive input pin; and at least one of: a fourth diode having an anode terminal coupled to the second node and a cathode terminal coupled to the positive input pin, and a second resistor coupled between the second node and the negative input pin. Such arrangement enables slow turning-on and fast turning-off of the controlled circuit and can also resist interference.

Battery and external component

The present invention discloses a battery and an external component, which belong to the field of power supply technologies for a movie and television shooting apparatus. The battery of the present invention is used in cooperation with an external component, including at least two battery packs, a microcontroller, and a series-parallel switching circuit, and further including a connector in cooperation with the external component, the microcontroller controlling the series-parallel switching circuit according to a cooperation state of the connector and the external component, so that the battery packs are connected in series or in parallel. The present invention can be compatible with a high/low voltage camera and a high/low voltage charger automatically.

Foldable chair frame

Embodiments provide a foldable chair frame, it includes an intermediate connecting device including a main body, a block, a first rotating piece and a second rotating piece, the block being provided in an inner cavity of the main body and capable to slide up and down along the inner cavity, the first rotating piece and the second rotating piece being pivoted in an opening groove of the main body and capable to rotate around a pivot point; a plurality of leg tubes pivoted to a periphery of the intermediate connecting device through the first rotating piece; a plurality of front seat tubes and backrest tubes pivoted to the periphery of the intermediate connecting device through the second rotating piece. The present disclosure connects each tube to the intermediate connecting device to make the foldable chair more stable.

一种船舶电气设备的安装装置

本实用新型船舶电气设备的安装装置，电机经传动轴驱动往复丝杠旋转，通过螺纹槽传动带动第一活动板上的第一齿条直线移动，经第一齿轮带动第一活动杆旋转，依次经第二活动杆、第二齿轮、第二活动板、第二固定板、支撑板传动精确调节设备底脚安装高度，滑块与滑槽配合提供限位导向，结构简单紧凑，安装拆卸操作方便，能够精确调节高度，支撑稳定，结构简单，运行平稳，效率高。

Vehicle position determining method, apparatus and electronic device

The present application discloses a vehicle position determining method, an apparatus, an electronic device, and relates to the technical fields of artificial intelligence, automatic driving, intelligent transportation and computer vision. A specific implementation scheme is: acquiring a current position of a vehicle to be positioned and characteristic information of a road ahead of the current position when determining the road where the vehicle is located in; and determining at least one road in a preset area including the current position in a navigation map; determining a probability that the vehicle to be positioned is located in each lane of each road according to the characteristic information of the road ahead; and determining a target road where the vehicle to be positioned is located in according to the probability of each lane. In this way, the target road where the vehicle to be positioned is located in is determined according to a lane-level probability distribution, which can improve accuracy of positioning to a certain extent and solve a problem in the prior art that the road where the vehicle is currently located in cannot be determined, thereby accurately providing assistance for users to travel.

Array substrate and manufacturing method therefor, flat panel detector, and imaging device

Defect detection method, apparatus, and device for semi-conducting bedding layer of power cable

Defect detection method for a semi-conducting bedding layer of a power cable includes: obtaining a length parameter, a corrugation pitch parameter, radius parameters, and a thickness parameter of a power cable; obtaining a first resistance value between a shield and a corrugated sheath, and calculating a second resistance value of the shield based on the length parameter and the corrugation pitch parameter; calculating a radial resistance value of the semi-conducting bedding layer based on the first resistance value and the second resistance value; determining a contact angle of a critical point of contact between the corrugated sheath and the semi-conducting bedding layer based on the radius parameters and the thickness parameter; calculating volume resistivity of the semi-conducting bedding layer based on the radial resistance value and the contact angle; and comparing the volume resistivity with a preset evaluation parameter to obtain a defect detection result of the semi-conducting bedding layer.

Method for removing tbbpa in water, microbial strain and microbial agent

The present disclosure discloses a method for removing TBBPA in water, a microbial strain and a microbial agent, wherein the microbial strain is a domesticated Burkholderia cepacia strain, which is named Y17 with a conservation number GDMCC No. 62153. The microbial agent and the method for removing TBBPA in water with the microbial agent are that Y17 strains are colonized on the surface and pore channels of biochar, TBBPA in water is used as a carbon source, air and dissolved oxygen are used as oxygen sources, biochar provides the strains a growth microenvironment for degrading TBBPA in water, the strains are subjected to aerobic growth in water, and bio-enhanced degradation of TBBPA in water is performed by continuously degradation reaction. The removal method and the microbial strain as well as the microbial agent are high in degradation efficiency, environmental-friendly and low in cost, and can meet requirements on large-range promotion and application.

Led lighting circuit, temporal dimmer circuit and control method based on pwm

Disclosed is an LED lighting circuit based on PWM, including a power source, a control circuit and an LED light-emitting element, and further including a non-light-emitting load element. The non-light-emitting load element is connected in parallel to the LED light-emitting element, the power source is connected to a constant-current source, the constant-current source supplies power to the LED light-emitting element and the non-light-emitting load element, and when the constant-current source is in a current rising or falling phase, the control circuit controls an LED light-emitting element loop to be disconnected, and controls a non-light-emitting load element loop to be connected; and when the current of the constant-current source is in a steady state, the control circuit controls the non-light-emitting load element loop to be disconnected, and controls the LED light-emitting element loop to be connected. Further disclosed are a temporal dimmer control circuit and control method based on PWM. The present disclosure can solve the problem in the prior art of it not being possible for the brightness and color accuracy of a light source to meet user requirements.

Defect detection method, apparatus, and device for semi-conducting bedding layer of power cable

Defect detection method for a semi-conducting bedding layer of a power cable includes: obtaining a length parameter, a corrugation pitch parameter, radius parameters, and a thickness parameter of a power cable; obtaining a first resistance value between a shield and a corrugated sheath, and calculating a second resistance value of the shield based on the length parameter and the corrugation pitch parameter; calculating a radial resistance value of the semi-conducting bedding layer based on the first resistance value and the second resistance value; determining a contact angle of a critical point of contact between the corrugated sheath and the semi-conducting bedding layer based on the radius parameters and the thickness parameter; calculating volume resistivity of the semi-conducting bedding layer based on the radial resistance value and the contact angle; and comparing the volume resistivity with a preset evaluation parameter to obtain a defect detection result of the semi-conducting bedding layer.

Led lighting circuit, temporal dimmer circuit and control method based on pwm

Disclosed is an LED lighting circuit based on PWM, including a power source, a control circuit and an LED light-emitting element, and further including a non-light-emitting load element. The non-light-emitting load element is connected in parallel to the LED light-emitting element, the power source is connected to a constant-current source, the constant-current source supplies power to the LED light-emitting element and the non-light-emitting load element, and when the constant-current source is in a current rising or falling phase, the control circuit controls an LED light-emitting element loop to be disconnected, and controls a non-light-emitting load element loop to be connected; and when the current of the constant-current source is in a steady state, the control circuit controls the non-light-emitting load element loop to be disconnected, and controls the LED light-emitting element loop to be connected.

Array substrate and manufacturing method therefor, flat panel detector, and imaging device

An array substrate is disclosed, which includes a base substrate, a low-temperature polysilicon thin film transistor disposed on the base substrate, and a photoelectric converter connected with a first electrode of the thin film transistor. The first electrode includes a first conductive layer, the photoelectric converter is disposed on a side of the first conductive layer facing away from the base substrate, and the first conductive layer includes a material resistant to etching in a process of forming the photoelectric converter. The first electrode is a source electrode or a drain electrode of the thin film transistor. Also disclosed are a method of manufacturing the array substrate, a flat panel detector including the array substrate, and an image apparatus including the flat panel detector.

Method for efficiently removing bisphenol pollutants from water body and compound biochar material

Disclosed in the present disclosure are a method for efficiently removing bisphenol pollutants from a water body and a compound biochar material. The method includes: A, preparing three types of biochar materials, that is, biochar (BC), ball-milled modified biochar (BBC), and iron oxide modified biochar (BC@Fe 3 O 4 ); B, computing maximum solid loading amounts per unit weight of the three types of biochar materials for the pollutants in wastewater separately; C, measuring contents of the bisphenol pollutants in a wastewater sample; D, computing an optimal compounding ratio of each type of biochar material by means of a linear programming algorithm and by taking a minimum total weight of the three types of biochar materials after compounding as an objective function and taking a maximum total solid loading amount not less than the contents of the various bisphenol pollutants in the wastewater as a constraint condition; and E, preparing a compound biochar material according to the optimal compounding ratio, and adding the compound biochar material to the wastewater at once to remove the various bisphenol pollutants from the water body synchronously. The compound biochar material is a uniform mixture prepared by compounding at least two types of biochar materials according to an optimal compounding ratio.

Rocking chair

A rocking chair includes support bodies and a seat body. Support legs are mounted on the support bodies. A rocking frame assembly is mounted on the seat body. Two opposite parts of the seat body are defined as first and seconds matching surfaces. First and second blocking parts are formed on the first and second matching surfaces, respectively. The first and second blocking parts define offset rotation angle spaces on a path of relative rotation of the support bodies and the seat body. Elastic components are mounted in the offset rotation angle spaces, and the first and second blocking parts are driven by the relative rotation of the support bodies and the seat body to rotate oppositely along a rotation angle direction to squeeze the elastic components, thus causing the elastic components to generate an elastic force for the seat body to rock back and forth on the support bodies.

Led lighting circuit, temporal dimmer circuit and control method based on pwm

Server system starting method, apparatus, electronic device and storage medium

The embodiments of the present disclosure relate to a server system starting method, apparatus, electronic device and storage medium. A host sends a block device access request to a network card for obtaining mirror image data corresponding to a root file system based on a NVMf communication connection; the network card obtains the mirror image data corresponding to the root file system from a target storage node of a storage cluster, and sends the mirror image data corresponding to the root file system to the host based on the NVMf communication connection; the host mounts the root file system to complete system startup.

Thin film transistor, manufacturing method thereof and array substrate

A thin film transistor, a manufacturing method thereof and an array substrate are provided. The thin film transistor includes: a gate electrode ( 102 ) formed on a substrate ( 101 ), a gate insulating layer ( 103 ) formed on the gate electrode ( 102 ) and covering at least a part of the substrate ( 101 ), and a semiconductor layer ( 105 ′), a source electrode ( 107 a ) and a drain electrode ( 107 b ) which are formed on the gate insulating layer ( 103 ). The material of the semiconductor layer ( 105 ′) is an oxide semiconductor; and the material of the source electrode ( 107 a ) and drain electrode ( 107 b ) is the oxide semiconductor which is doped. The source electrode ( 107 a ), the drain electrode ( 107 b ) and the semiconductor layer ( 105 ′) are disposed in the same layer.