Ultraviolet-visible light dual-band fusion portable fingerprint detector

The invention discloses an ultraviolet-visible light dual-band fusion portable fingerprint detector. The ultraviolet-visible light dual-band fusion portable fingerprint detector comprises an ultraviolet lamp, an ultraviolet detector, a visible light detector, an FPGA noise reduction plate, a DSP fusion plate, a storage and display module, a display, an SD card and a power supply module. The ultraviolet lamp is arranged over the ultraviolet detector, the ultraviolet detector is connected with the FPGA noise reduction plate, the FPGA noise reduction plate reduces noise of ultraviolet images in real time, the FPGA noise reduction plate is connected with the DSP fusion plate, the visible light detector and the ultraviolet detector are horizontally arranged, the output terminal of the visible light detector is connected with the DSP fusion plate, and the DSP fusion plate displays a fingerprint target in a fusion image in red. According to the invention, an optical method is used, any reagent ...

Fast topology analysis method based on general information model

The invention discloses a fast topology analysis method based on a general information model. The fast topology analysis method based on the general information model includes the steps that according to the definition of power supply points, the power supply points in an electric power network graph are acquired and set as root nodes in the tree topology; then, according to IDs of devices, connection nodes of the current node are acquired; according to the connection nodes, whether connection devices exist or not is judged; all the other obtained connected devices are constructed as child nodes of the ancestor nodes; finally, according to the connection nodes, whether the connection devices exist or not is judged. Through the method, the relations between the node devices are fully recorded, and the shortest path between every two node devices can be acquired fast and effectively in a depth-first mode; power supply paths from the power supply points to turned-off switches and all child ...

Set-top box major/minor device binding method and system thereof

Small-size storage device adapter plate, PCB structure and electronic device

The invention discloses a small-size storage device adapter plate, a PCB structure and an electronic device, and relates to the technical field of storage device.The small-size storage device adapter plate comprises a memory piece body; the two adapter plates are stacked, and the main surfaces of the adapter plates are attached to the surface of the memory sheet body; the measuring point welding disc is arranged on the side surface of the adapter plate, and the side surface is arranged on the edge of the main surface of the adapter plate and is perpendicular to the main surface of the adapter plate; the two adapter plates are both provided with measuring point welding pads, and all the measuring point welding pads are not overlapped in the direction perpendicular to the main surfaces of the adapter plates. According to the invention, the two adapter plates are overlapped, and the test point welding pads are arranged on the side surfaces of the adapter plates, so that compared with the mode ...

Hotspot data cache processing method and device

The invention provides a hotspot data cache processing method and device, and relates to the technical field of data processing.The method comprises the steps that whether target data requested by a data obtaining request from a calling party is configured with cache or not is determined, and if yes and the target data is not stored in the cache, the calling party does not store the target data; if yes, whether the target data is hot data or not is judged based on a count value of a pre-generated filter in each unit time included in the sliding time window; if yes, updating the count value of the filter in the current time according to the count value of the filter in each unit time, setting target data acquired from the database to a cache, and returning the target data to the calling party; and if not, adding 1 to the count value of the filter in the current time, and returning the target data acquired from the database to the calling party. Whether the target data is the hot data or ...

Automotive rear bridge torsion beam hinged lining assembling and disassembling tool

The invention discloses an automotive rear bridge torsion beam hinged lining assembling and disassembling tool. The automotive rear bridge torsion beam hinged lining assembling and disassembling tool is characterized by comprising an assembling and disassembling support, a first counter-force seat, a second counter-force seat, a straight-barrel type mechanical press and an extrusion cushion block, wherein the first counter-force seat and the second counter-force seat are respectively fixed at two ends of the assembling and disassembling support; the first counter-force seat, the second counter-force seat and the assembling and disassembling support form a closed frame; the straight-barrel type mechanical press is placed in the assembling and disassembling support and comprises a retractable front end, a barrel body and a rear seat which are connected to one another sequentially; the rear seat is abutted to the inner end surface of one of the counter-force seats; and the retractable front ...

Ultra-high burial depth multi-unit large water intake pumping station structure

A pump room structure of the pump station is formed by combining a plurality of cylindrical pump rooms, a water pump system is arranged at the bottom of each cylindrical pump room, and a water inlet of each water pump system is communicated with a water inlet well located on the upstream side of the corresponding cylindrical pump room through a water pump water taking pipeline. The water inlet well communicates with the riverway through a water inlet pipe; a water outlet of the water pump system is communicated with the water outlet gathering pipe through a water pump water outlet pipeline. The pump house structure has the beneficial effects that the pump house structure is formed by combining the multiple cylindrical pump houses, the size of the pump house is small, the stress of the pump house structure is smaller and more uniform, the stability of the pump house is greatly improved, the thickness of outer wall concrete is reduced, and investment is saved. The top plant structure is arranged ...

Coastal composite tough embankment structure and construction method

The invention provides a coastal composite tough embankment structure and a construction method, and relates to the technical field of ecological engineering. Comprising a breakwater, a wet land, a water collecting open trench, a first slope greenbelt, an invisible breakwater and a second slope greenbelt which are sequentially arranged from an offshore end to an open sea end along a coastline; the breakwater serves as a first defensive line for impact resistance; the moisture accommodating land is as high as the water collecting open trench, so that accumulated water overflowing from the moisture accommodating land flows into the water collecting open trench to be discharged; the first slope greenbelt and the second slope greenbelt are located on the ground and located on the two sides of the invisible embankment correspondingly. The invisible embankment is located underground, the top surface of the invisible embankment is higher than that of the breakwater, and the invisible embankment ...

Data packet generator and data packet generating method

The invention relates to the technology of network data processing, which aims at the defects of poor performance of a data packet generating software based on PC of the prior art, and the like, and provides a data packet generator and a data packet generating method. The data packet generator comprises an input interface, a network processor, and a network output port, wherein the input interface is used for receiving and transmitting data packet configuration information; the network processor is connected with the input interface, is used for receiving transmitted data packet configuration information and generating data packet template, copying the data packet template in a multithreading mode and transmitting the copied data packet; and the network output port is connected with the network processor and is used for receiving and transmitting the data packet transmitted by the network processor. The invention also provides a data packet generating method based on the data packet generator ...

Light crossing frame

The invention relates to the technical field of power line engineering, in particular to a light crossing frame. The problems that a traditional derrick crossing frame is large in adjustment difficulty and weight, and safety cannot be guaranteed are solved. The crossing frame is installed on a cable crossing frame of the cable bridge, the crossing frame is formed by connecting a plurality of standard knots, the standard knots are installed on the cable crossing frame of the cable bridge through bearing supports, the standard knots are sleeved with movable hoops, the cable crossing frame of the cable bridge is provided with spire lifting points, and the movable hoops are connected with the spire lifting points through lifting ropes. By adopting the standard knot and the movable hoop which are connected in a pin shaft mode and adopting the clamping type bearing support, the purposes of being convenient to install, convenient and fast to adjust, safe and reliable are achieved.

SUPERELASTIC LOW ROLLING RESISTANCE CONVEYOR BELT

The present invention discloses a conveyor belt comprising: a load carrying core, an upper cover layer above said core, a pulley cover layer beneath said core, wherein the pulley cover layer includes at least one high elastic modulus layer which extends beneath at least a portion of the pulley cover layer and wherein the high elastic modulus layer is comprised of a high elastic modulus material and wherein the high elastic modulus material has elastic modulus which is within the range of 0.3 GPa to 220 GPa and wherein the high elastic modulus layer has a thickness which is within the range of 0.005 mm and 4 mm.

Method, reagent and kit for quantitative determination of NGAL content in human serum

The invention relates to a reagent for the quantitative determination of NGAL (Neutrophil Gelatinase-Associated Lipocalin) content in human serum. The reagent comprises a reagent I and a reagent II which are placed separately, wherein the reagent I contains T phosphate buffer and polyethylene glycol-6000; the reagent II contains mouse anti-human NGAL monoclonal antibody latex particles and an antibody stabilizer. A kit and a detection method adopted in the invention only require a few microlitres of serum, need no centrifugation or electrophoresis and other separation treatments, are easy to operate, can meet the requirements of automatic analysis, and are applicable to the timely and accurate detection of large-scale samples.

Cleaning platform for cleaning disconnecting link of transformer substation

The invention aims at providing a cleaning platform which can solve the problems in the prior art and effectively and automatically clean a disconnecting line of a transformer substation. In order to achieve the aim, the cleaning platform for cleaning the disconnecting link of the transformer substation comprises a cuboid fixed part. A horizontal extension rod extending outwards is arranged on the cuboid fixed part. One end of the extension rod is connected with the fixed part. The other end of the extension rod is provided with a vertical rotating motor. A rotating shaft of the rotating motor is connected with a cleaning head. The cleaning head comprises a cylindrical body and a plurality of flexible cleaning strips arranged on the side wall of the cylinder body. The cleaning platform can have the following technical advantages that due to the structure, the cleaning head can easily enter a contact of the disconnecting link of the transformer substation; the contact of the disconnecting ...

Blue extension index photoelectric cathode doped with transmission-type GaAs and preparation method thereof

The invention discloses a blue extension index photoelectric cathode doped with transmission-type GaAs and a preparation method thereof. The photoelectric cathode is composed of a high-quality GaAs substrate, a p type Ga1-yAlyAs blocking layer, a p type index doped GaAs emission layer, a p type Ga1-xAlxAs window layer with Al component variation and a p type GaAs protecting layer from bottom to top. The p type index doped GaAs emission layer is of a layered structure with more than three unit layers, the doping density is distributed according to the growth type index doping distribution of a built-in electric field, and the doping density is decreased to 1.0*1018 cm - 3 of the unit layer on an emission surface from the 1.0*1019 cm - 3 of the unit layer on a rear interface. The Al component in the p type Ga1-xAlxAs window layer varies and is gradually changed from 0 to 0.9 from bottom to top. According to the blue extension index photoelectric cathode doped with the transmission-type GaAs ...

Method for preparing iron concentrate for making iron from phosphorus-containing oolitic hematite

Double slashed droope hem western-style clothes and its making process

Therapeutic hepatitis b vaccine and preparation method and use thereof

The invention discloses a curative hepatitis B vaccine and a preparation method and applications thereof. The key of the technical proposal is that: a plurality of CTL and HTL polypeptide epitopes originating from HBV envelope protein, core antigen and polymerase are selected to form a multiple antigenic peptide (MAP) system and recombinated human interleukin 12 (rhIL-12) is adopted as an adjuvant, so as to improve the immunogenicity and the response level, thus providing a therapeutic biological preparation for curing chronic hepatitis B clinically.

Professional noun recognition method and device based on K neighbor model

The invention discloses a professional noun recognition method based on a K neighbor model, and belongs to the technical field of natural language recognition. The method comprises the following steps: acquiring a document set; randomly extracting a part of documents and combining to obtain a combined document D1; combining the remaining documents to obtain a combined document D2; establishing a stop word set, a common verb set and a common noun set; labeling in the D1 according to the three sets; determining the identification word of the belonging field, selecting h characters behind the identification word in the D1 as candidate nouns, and recording the candidate nouns as a tag 4; constructing a model by using a K-nearest neighbor algorithm; the merged document D2 is sent into a model, marking is carried out according to four types of labels, and corpora completely defined as the label 4 are found out to serve as effective candidate nouns; sequentially reducing the h value, and repeating ...

Face formula bamboo chair is sat to disc

The utility model belongs to an apparatus preparation technical field in room relates to a face formula bamboo chair is sat to disc. It is makeed by the bamboo timber, including the base frame, sit the face, door pole frame, the back frame, lean on the face, the base erects arranges the lower part position in, it sets up above the base frame position just rather than linking firmly to sit a face level, six door pole framves set up respectively in six door opening positions of base frame week side, back frame runs through with both ends about the lower part that the shape of face formula of sitting sets up above the face of seat about latter half of position and lower part the both ends head and the base frame links firmly, it leans on position and upper portion and back frame to link firmly to set up by the face in the back, the lower part links firmly along the position with the face of seat is back. The utility model has the characteristics of as follows: the style is generous, and the ...

Paste medicament for treating acne

The invention relates to a Chinese medicine preparation, in particular to a cataplasm medicine for the treatment of acne. The cataplasm medicine can be made by the materials according to weight proporation: hypericum japonicum, ephedra and flower of grain in ear of 30grams each; arsenic sulphide and catechu of 20 grams each,and gypsum powder of 200 grams. The invention has the advantages of novel formula, low cost, easy preparation and significant effect.

Chain wheel tooth-shaped profile plunge milling method

The invention discloses a chain wheel tooth-shaped profile plunge milling method. The method comprises the following steps: (1) preparation of a chain wheel tooth blank: the preheating treatment, the rough turning of the outer circle and the end surface, the rough/fine turning of a reference hole and a reference surface, the fine turning of the outer circle and the end surface, the pulling of a key slot or a spline and the inspection are performed for the blank; (2) tooth-shaped M feed rough plunge milling: CAM software is used for generating center points and retracting points of 8-10 cutters according to the tooth-shaped profile of single tooth groove; then, the cutters process the tooth-shaped profile of single tooth groove according to an M-shaped cutter feed plunge milling method; and finally, the rest of the same tooth grooves are processed by a coordinate conversion method according to the tooth number; (3) tooth root double-surface chamfering: a main reflecting chamfering cutter ...

Separable butterfly-shaped leading-in optical cable and optical cable stripping device based on separable butterfly-shaped leading-in optical cable

The utility model discloses a separable butterfly-shaped leading-in optical cable, which comprises an optical cable reinforcer, optical fibers and an outer sheath, the outer sheath is wrapped outsidethe optical fibers and the optical cable reinforcer, and optical fiber tearing grooves are arranged on the outer sheath corresponding to the upper sides and the lower sides of the optical fibers; separation gaps are formed in the outer sheath and positioned on the left side and the right side of the optical fiber; optical cable separation grooves are respectively formed in the outer sheath corresponding to the upper side and the lower side of each separation gap; when the optical cable is cut from the optical cable separation groove, the cutting line is along the direction of the separation gap, so that the cutting is easier, the cutting efficiency is higher, after the cutting separation, an optical fiber-containing part and two reinforcer-containing parts are formed, the size of the optical ...

Optical cable and manufacturing method thereof

An optical cable disclosed by the present invention comprises a central reinforcing member, a plurality of loose tube assemblies, a plurality of water-blocking binding yarns, a metal composite belt and an outer sheath layer, the plurality of loose tube assemblies are twisted around the central reinforcing member, and the plurality of water-blocking binding yarns are twisted outside the loose tube assemblies in different directions. The water-blocking yarn and the loose tube assembly are wrapped by the metal composite belt, and the metal composite belt is wrapped by the outer sheath layer. The loose tube assembly comprises a tube body, the tube body is internally provided with a plurality of inner holes which are distributed in a honeycomb shape, and optical fiber bundles are arranged in the inner holes. The invention further discloses a manufacturing method for manufacturing the optical cable. The optical cable adopts a loose tube assembly with a honeycomb structure, can accommodate a multi-core ...

Oil drilling well control dangerous case early warning system

The invention relates to the technical field of well control early warning, in particular to an oil drilling well control dangerous case early warning system which comprises a power supply unit, an acquisition unit, an analysis recording unit, an operation unit and a plurality of alarm units. The power supply unit is respectively connected with the analysis and recording unit and the plurality of alarm units, and the analysis and recording unit is respectively connected with the acquisition unit, the operation unit and the plurality of alarm units. The system is reasonable and compact in structure and convenient to use, dangerous cases in a well site are collected through the collection unit, early warning judgment of the dangerous cases is carried out through the analysis and recording unit, different control instructions are output to the alarm unit according to different dangerous cases, the alarm unit sends out sound and light corresponding to the dangerous cases for early warning, ...

Superelastic low rolling resistance conveyor belt

SUPERELASTIC LOW ROLLING RESISTANCE CONVEYOR BELT A conveyor belt (1) comprises: a load carrying core (3), an upper cover layer (2) above said core, a pulley cover layer (4) beneath said core. The pulley cover layer includes at least one high elastic modulus layer (5) which extends beneath at least a portion of the pulley cover layer. The high elastic modulus layer is comprised of a high elastic modulus material. The high elastic modulus material has elastic modulus which is within the range of 0.3 GPa to 220 GPa. The high elastic modulus layer has a thickness which is within the range of 0.005 mm and 4 mm. x y FIG-1 FIG-2 ...

Float switch is trailed to three proofings liquid level

... (B, ) the utility model relates to a liquid level floater switch technology field is a float switch is trailed to three proofings liquid level, it includes switch box, embedment electronic component, floating lever, magnetic induction piece and floater, there is embedment electronic component at the switch box internal fixation, embedment electronic component includes that right U type embedment shell body of opening responds to the tongue tube on, and respond to the tongue tube under and, U type embedment shell body is fixed in the left part of switch box. The utility model has the advantages of reasonable and compact structure, convenient to use, on respond to the tongue tube and respond to the tongue tube under with and pass through the casting glue embedment and fix in U type embedment shell body and form embedment electronic component, with floating lever, magnetic induction piece and floater aggregate erection on the switch box, can whole dismouting, convenient operation is swift, ...

Oil tank structure that aluminium alloy material constitutes

The utility model provides a simple structure, the reliable just good oil tank structure of radiating effect of job stabilization, its including integrative tensile or bend the fashioned oil tank body that constitutes by the aluminium alloy, run through the heat dissipation wind channel at both ends about this oil tank body along length direction and set up in the oil outlet of this oil tank body bottom, this scheme comes integrative stretch forming to constitute the oil tank body through adopting by heat -sinking capability and the suitable aluminium material of cost comparative difference in cost, so that it can come to dispel the heat better to possess the high -termal conductivity with aluminium alloy matter, simultaneously still through offer a heat dissipation wind channel of running through both ends about it on the oil tank body, the heat radiating area of oil tank can effectively be increased through this the heat dissipation wind channel that is equipped with, begin the heat dissipation ...

External reagent kit

The utility model discloses an external reagent kit, including cylindrical reagent kit main part, outside outer box, the sealed lid of the reagent kit main part of being provided. The box wall of reagent kit main part is integrated into one piece's four -layer structure, is chitin fiber rete, cardboard sheet layer, mute rete, plastics rete from the inside to surface in proper order. Reagent kit main part and outer box are at the bottom position reciprocal anchorage, the bottleneck height of outer box is less than the bottleneck height of reagent kit main part. The sealed lid includes bottle lid and lower bottle lid, the bottleneck threaded connection of lower bottle lid and reagent kit main part, go up the bottle lid cladding in bottle lid down outside and with outer box bottleneck threaded connection. The middle part of outer out -of -the -box circle is annular recess, the groove part cover has the antiskid cover. The utility model discloses an external reagent kit is antibiotic effectual ...

Growth hormone for hepatocyte

The growth hormone for hepatocyte is a kind of hepatocyte stimulating factor which is extracted from fresh livers of young animals molecular weight of about 10000. It can be used to cure hepatitis, cirrhosis, etc. It can apparently lower the level of transaminase without anaphylactic reaction, relieve symptoms of pain in haper, tiredness and abdominal distention, etc. Compared with other medicaments in the same kind, this growth hormone for hepatocyte has more definite physical and chemical parameters and higher relative activity.

Vending machine

The utility model discloses a vending machine, including front box body and back box, front box body and back box hinged joint, be formed with an inner chamber between front box body and the back box,the upper portion of inner chamber is provided with unique tuple framves a plurality of and front box body or back box hinged joint after to by preceding, a plurality of feed bin units that are usedfor saving goods are installed from left to right to the unique tuple frame, a discharge mechanism is installed to feed bin unit bottom, the bottom of inner chamber is installed a material and is said, the material says that the material channel outlet of bottom communicates front box body's take goods open. The inner chamber of above -mentioned vending machine box is provided with a plurality ofunique tuple framves, the range is erect to a plurality of unique tuple framves, and compact structure has improved the inside space utilization of box greatly, can save more goods, unique tuple frameand ...

Method for extracting, distilling and separating glycol dimethyl ether from water

The invention discloses a method for extracting, distilling and separating glycol dimethyl ether from water. The glycol dimethyl ether is extracted and distilled by taking dihydric alcohol or the composition of the dihydric alcohol and inorganic salt as extracting agent in double towers which consist of an extracting and distilling tower and a dehydrating tower, wherein the inorganic salt accounts to 0-20 mass percent of the extracting agent. The method for extracting, distilling and separating glycol dimethyl ether from water can obtain the glycol dimethyl ether with the water content of less than 0.1 percent, solves the problems of great product wastage, serious environment pollution, and the like caused by the traditional process for dehydrating the glycol dimethyl ether with anhydrous calcium chloride functioning as desiccant and can be used for industrial production.

Preparation method of water-based double-component skin-feeling full-matt finish paint

The preparation method comprises the following steps: step 1, preparation of a component A: adding a waterborne matte polyurethane dispersion into a proper container, adding a defoaming agent, a wetting agent and anti-settling slurry, adding PMMA (polymethyl methacrylate) powder, dispersing at a high speed until no shrinkage cavity exists, then sequentially adding a coalescing agent, wax emulsion and water, dispersing for 8-15 minutes, filtering, and drying to obtain the component A; adjusting the viscosity for later use; 2, preparing a component B: fully and uniformly stirring an HDI polyisocyanate curing agent and an IPDI polyisocyanate curing agent, adding PMA and a dehydrating agent, and sealing for later use; and step 3, compounding the component A and the component B according to a mass ratio of (8-15): 1 to obtain the water-based double-component skin-feeling full-matt finish paint. By adding the self-made anti-settling slurry, the anti-settling performance of the finish paint can ...

Self-supporting cicada-preventing butterfly cable and production equipment for processing same

The utility model discloses a self-supporting cicada-preventing butterfly cable, which comprises an optical cable body, the optical cable body comprises an outer sheath, a communication unit and a reinforcer, and the outer sheath is wrapped outside the communication unit and the reinforcer; the communication unit comprises a winding optical fiber ribbon and two symmetrically arranged protection sheets, and the winding optical fiber ribbon is arranged between the two protection sheets; the two sides of the outer sheath are respectively provided with two tearing grooves, and the distance betweenthe two tearing grooves at one side is greater than the width of the protection sheet, thereby solving a problem that the optical fiber attenuation exceeds the standard or the structure of the optical cable is damaged because cicadas are attached to the optical cable. The utility model also discloses production equipment for processing the self-supporting cicada-preventing butterfly cable, the protection ...

Simple and easy conversion equipment of optical cable infiltration test

The utility model discloses a simple and easy conversion equipment of optical cable infiltration test, including the water pipe, be equipped with infiltration equipment fixing device on the water pipe, the water pipe bottom is equipped with water valve switch, on the conversion equipment disposed on water valve switch of connection water pipe and to be detected optical cable, flourishing water receptacle disposed on to be detected optical cable below. The conversion equipment contains the internal taper thread that can seal up by oneself with water piping connection's one end, and conversion equipment and water pipe zonulae occludens and good sealing performance can be guaranteed promptly to the any auxiliary seal material of without, and in the optical cable infiltration test, the plug process does not all influence its leakproofness. Simple structure, convenient operation, simple to operate, the life cycle is long, and the commonality is good, and sealing performance is excellent, and ...

New medicinal application of interleukin-12

The invention relates to new medicinal application of interleukin-12. In the application, the interleukin-12 is applied to the preparation of medicaments for treating acute radiation sickness. Compared with the prior art, the invention has the advantages that: in the application of the interleukin-12 (interleukin-12, IL-12) to the preparation of the medicaments for treating the acute radiation sickness, the using range of the interleukin-12 is expanded, and new medicaments are provided for the treatment of the acute radiation sickness simultaneously; and results of pharmacodynamic experiments indicate that the interleukin-12 has a good effect on the acute radiation sickness.

Transformer substation disconnecting link electrified automatic washing device

The invention discloses a transformer substation disconnecting link electrified automatic washing device which can carry out electrified washing. The problem existing in the prior art is solved. The transformer substation disconnecting link electrified automatic washing device comprises a lifting platform, an insulation platform, a washing platform for washing a transformer substation disconnecting link contact and a moving rotating platform which is used for controlling the insulation platform to move front and back and left and right in the horizontal direction and rotate. The upper end of the lifting platform is connected with the moving rotating platform. The upper end of the moving rotating platform is connected with the insulation platform. The upper end of the insulation platform is connected with the washing platform. The height of the washing platform can be controlled through the lifting platform. The horizontal position of the washing platform is controlled through the moving ...

Conic bottom gas collection cylinder special for mud degasser

The invention relates to the technical field of mud degassing cylinders, in particular to a conic bottom gas collection cylinder special for a mud degasser. The gas collection cylinder comprises a gas collection cylinder body; the bottom of the gas collection cylinder body is in a big-end-up inverted cone shape, and a mud absorption opening is formed in the middle of the conic bottom of the gas collection cylinder body; a mud outlet is formed in the cylinder wall of the middle of the gas collection cylinder body; a motor mounting hole is formed in the middle of upper end of the gas collection cylinder body, a gas inlet is formed in the gas collection cylinder body on the left side of the motor mounting hole, and a gas outlet is formed in the gas collection cylinder body on the right side of the motor mounting hole. The conic bottom gas collection cylinder special for the mud degasser is reasonable and compact in structure and convenient to use; block impurities such as rock debris and mud ...

STRAIGHTENING METHOD AND STRAIGHTENER FOR SEWING-MACHINE NEEDLES

Superelastic low rolling resistance conveyor belt

SUPERELASTIC LOW ROLLING RESISTANCE CONVEYOR BELT A conveyor belt (1) comprises: a load carrying core (3), an upper cover layer (2) above said core, a pulley cover layer (4) beneath said core. The pulley cover layer includes at least one high elastic modulus layer (5) which extends beneath at least a portion of the pulley cover layer. The high elastic modulus layer is comprised of a high elastic modulus material. The high elastic modulus material has elastic modulus which is within the range of 0.3 GPa to 220 GPa. The high elastic modulus layer has a thickness which is within the range of 0.005 mm and 4 mm. x y FIG-1 FIG-2 ...

A Kind of Feed Additive for Reducing the Somatic Cell Count of Dairy Cattle and its Preparation Method

Abstract of Descriptions The present invention discloses a kind of feed additive for reducing the somatic cell count of dairy cattle, which consists of: 20 parts of honeysuckle extract and eucommia ulmoides extract, 15 parts of feed small peptides, 50 parts of feeding yeasts, and 30 parts of feed lactic acid bacteria; and the application method of the said feed additive for reducing the somatic cell count of dairy cattle consists of: stirring 20 parts of honeysuckle extract and eucommia ulmoides extract, 15 parts of feed small peptides, 50 parts of feeding yeasts, and 30 parts of feed lactic acid bacteria thoroughly, then sifting them out through an 80-mesh sieve according to the feed grade, after that, stirring them well, and adding to the compound feed according to three gradients of 0.01%, 0.03% and 0.05%. The feed additive provided in the present invention, which can reduce the somatic cell count of dairy cattle, and thus improve the health of udders of dairy cattle, has significant ...

Electrification warning device of switch cabinet

The invention relates to an electrification warning device of a switch cabinet and belongs to the warning device field. The objective of the invention is to avoid the occurrence of electric shock accidents in a switch cabinet routine maintenance process by equipment maintenance personnel. The electrification warning device of the switch cabinet comprises a distance measuring module, a line switching switch, a signal processing module, a relay, a photoelectric coupler and a warning module which are connected with one another sequentially; the signal processing module is provided with a display module; the distance measuring module includes an ultrasonic module and a Bluetooth module; and the line switching switch includes a first port, a second port, a third port, a fourth port, a first switch component and a second switch component, wherein the first port is connected with the ultrasonic module, the second port is connected with the Bluetooth module, the third port and the fourth port are ...

Method for preparing 1,1-cyclopropanedimethyl cyclicsulfite

The invention discloses a method for preparing 1,1-cyclopropanedimethyl cyclicsulfite. In the method, dibromoneopentyl glycol serving as a raw material is reacted with thionyl chloride in a first reaction solvent to form cyclicsulfite serving as a solid intermediate; and the cyclicsulfite is reacted with zinc powder in a second reaction solvent to form a 1,1-cyclopropanedimethyl cyclicsulfite product. The preparation method provided by the invention achieves high reaction yield, simplifies reaction steps, reduces cost and is more favorable for industrial production.

Activated siRNA able to enhance gene expression

The invention discloses an activated siRNA able to specifically enhance gene expression through a gene promoter with a TATA-box motif in the target. The activated siRNA has the characteristics that: (1) the activated siRNA is complementary with a position taking the TATA-box motif as the center; (2) the first two base groups of an antisense strand adopt UA; (3) the length is 23 nucleotides; (4) methylation modification is conducted on the 3' end of the antisense strand; and (5) mismatch of the 3' end of the antisense strand is avoided. The activated siRNA provided by the invention can significantly enhance the target expression for a long time, and has great application value and broad application prospects in biotechnology, gene therapy drug development and other fields.

Fan gear adjusting method and system, storage medium and fan

The invention discloses a fan gear adjusting method and system, a storage medium and a fan, and relates to the field of electrical appliances, and the fan gear adjusting method comprises the steps that when a motor is in a running stopping state, if a first infrared signal is received, the motor is started, and the motor is made to run at a preset rotating speed; and when the motor is in a running state, if a first infrared signal is received, increasing or decreasing the rotating speed of the motor according to a preset rotating speed adjusting strategy. Starting and gear adjusting of the fan can be achieved through a single infrared signal, the technical problems that in the prior art, the number of gear adjusting buttons of the fan is large, and operation difficulty is large are solved, operation simplification is achieved, the operation difficulty is lowered, and the fan is particularly suitable for the disabled, the blind and the old.

FTTH uses compound butterfly -shaped introducing optical cable

The utility model discloses a FTTH uses compound butterfly -shaped introducing optical cable, including a sheath that is used for tight tube fiber, and provide in the optic fibre at sheath middle part, the sheath cross -section is butterfly, the optic fibre is equipped with the reinforcing member by tight jacket layer cladding, the tight wrap -around optic fibre both sides of jacket layer of quilt. The cable adopts the tight jacket layer of high rigidity, forms dual layer protection to the optic fibre jointly with the material for jacket, prevents biotic infringements such as cicada. And the use of two kinds of heterogeneity materials does not influence the characteristic of peeling off of optic fibre, the optical cable stable performance, and the external diameter is little, and is with low costs, and light in weight carries and lays the convenience.

Power head of forpoling rig

The invention relates to a power head of a forpoling rig. The forpoling rig comprises a jydraulic motor (2), a hollow spindle (3), a driving gear (41), a driven gear (42), keys (51, 52), round nuts (61, 62), a deep groove ball bearing (7), a seal ring (8), end covers (91, 92), a conical roller bearing (10), a sleeve (11), a gear case (12), a cylindrical roller bearing (13) and a clamp (1). When the power head is working, a drill rod is arranged in the hollow spindle (3) and is clamped through the clamp (1). The drill rod can be conveniently and quickly dismounted at the rear end of the power head of the forpoling rig c, so that the drill rod dismounting time can be reduced, and the drilling and constructing efficiency can be effectively improved.

Connection interface structure of factory building and large dam and construction technology thereof

The invention relates to a connection interface structure of a factory building and a large dam and a construction technology thereof. The purpose of the invention is that the connection interface structure of the factory building and the large dam can ensure that independent stressed units can generate relative displacement; meanwhile, the connection range of the factory building and the large dam and processing measure of a seam surface can effectively improve overall stability and ground foundation stress of the factory building and the large dam and guarantee that stress of the factory building structure meets the requirements. The technical solutions solve the problems as follows: connection interface structure of the factory building and the large dam has a large dam with large volume entity concrete structure and a factory building with featuring multi-hole space and slab and girder structure, a pressure steel pipe for drawing water is connected between the upper side of the factory ...

丙二醇单甲基醚丙酸酯组合物及其制备方法和用途

A process for preparing propanediol monomethylether propionate composition features that propanediol, monomethylether and propionic acid in mole ratio of 99:(1-99.9):0.1 take part in esterifying reaction under existance of acidic catalyst and azeotropic agent. Its advantages are less consumption of azeotropic agent, high transform rate of propionic acid, and high selectivity.

Method for preparation of cardiac muscle cell growth stimulus peptide

The cardiac muscle cell growth stimulating peptide (CMGSP) is prepared by selecting the hearts of healthy infant mammal which are crushed by mechanical means, then deeply frozen, heated, deeply frozen again, centrifugalized, and then the supernatant is processed through negative-pressure column entrapping, sterilizing, freeze drying and packaging. Mannitol is added in CMGSP and then packed in 5ml medicinal ampouls, then processed through quick freezing, temp. rising, temp. keeping, then under the condition of sunshade at -20-30 deg.C, the biological activity of CMGSP can keep stabl for three years. Its biological activity equals to that of CMGSP.

Capsule medicament for treating qi blood estrangement vitiligo

The invention relates to a Chinese traditional medicine preparation, which is a capsule drug for treating qi-blood imbalance-type vitiligo. The medicine is prepared by the raw materials of the following weights: sappan wood, safflower, Ligusticum Chuanxiong each of which is of 50g, and tribulus terrestris and curcuma, each of which is of 40g. The invention has the advantages of novel ingredient, cheap cost, convenient preparation and notable effect.

A signal transmission optical cable for track traffic communication system

The utility model discloses a signal transmission optical cable for track traffic communication system, including having distinguishing mark's oversheath, and by outer set gradually in to in armor, water blocking layer, inner sheath, strap and bundle yarn and band layer in the oversheath, pricking yarn and band in situ and being equipped with the cable core that at least one pine sleeve pipe constitutes along the reciprocating type transposition of central reinforcement, it has optical cable oleamen to pack in the cable core. The problem that exists can be solved to this optical cable among the prior art, its simple structure, stable performance, and the external diameter is little, and is with low costs, and bending property is excellent, and the wearability is high, and the protection against rodents prevents that the ant is effectual, light in weight transports and lays the convenience, has fine easy discernment characteristic.

Tincture medicine for brandy nose

The invention relates to a Chinese traditional medicine preparation which is a tincture medicine used for treating brandy nose. The medicine is made from the following ingredients with a certain dosage: 30g for asparagus, Chinese yam, ground Chinese ephedra and bud of Chinese scholartree each, 300g for pink plumepoppy herb and 1000ml of 95 per cent alcohol. The invention is characterized by novel prescription, low cost, convenient preparation and remarkable effect.

Bidirectional triangle arm rubber lining for spacing suspension system

The invention discloses a suspension system triangle arm rubber lining with bidirectional position limiting, comprising a lining internal ring, a rubber ring and a lining external ring; the section of the shaft of the rubber ring is a horizontal-H-shape; the section of the shaft of the lining external ring is a T-shape; a rubber deformation channel is arranged between the bottom of the internal side of the horizontal-H-shaped convex edge at one end of the rubber ring and the end of the side surface of the rubber ring. During the installation process, the horizontal-H-shaped convex edge is extruded into the rubber deformation channel so as to lead the convex external edge to be aligned to the side surface of the rubber ring, thus passing through the triangle arm hole; after the installation position is reached and the initial shape is recovered due to the elastic deformation of the rubber, a convex platform of the rubber part is formed, thus achieving the object of bidirectional position ...

Tincture medicament for treating condyloma acuminatum

The utility model relates to a Chinese traditional medicine preparation, which is a tincture drug for treating condyloma acuminatum. The medicine is prepared by the raw materials of the following weight proportion, calcined lime, khosam, Sparganium stoloniferum Buch.-Ham, curcuma and raw radix astragali, each of which is of 50g and 1000ml of 75% alcohol. The invention has the advantages of novel ingredient, cheap cost, convenient preparation and notable effect.

Medicine good for heart

The present invention relates to a drug for curing myocardosis-Lixinkang. It is a cardiac muscle cell growth stimulating peptide (CMGSP) extracted from the hearts of sound young mammals, such as sucking pig and calf, etc., and its molecular weight is 5000-12000 Da. Practically it is a polypeptide mixture, and is stable in biological activity, and canstimulate the synthesis of primary substitution culture cardiac muscle cell DNA and protein, and can promote the cleavage and proliferation of cardiac muscle cell and protect cardiac muscle cell membrane. When clinically using, the present invention can be taken orally, and can be intramuscular injected, also can be intravenous dripped by matching it withother drug.

Aluminum shell lithium ion battery pole piece dust removal device

The invention discloses a dust removal device for an aluminum shell lithium ion battery pole piece, and relates to the field of lithium battery processing auxiliary equipment. The device comprises cleaning boxes which are oppositely arranged, cleaning rollers are arranged in the cleaning boxes, penetrating channels are formed in the opposite faces of the cleaning boxes, the two cleaning rollers partially extend out of the penetrating channels to make contact with each other, and a material channel is formed between the two cleaning boxes. A feeding traction device and a discharging traction device are arranged at the two ends, parallel to the movement direction of the contact end of the cleaning roller, of the material channel correspondingly. The purpose of cleaning the lithium battery pole piece is achieved.

Aluminum shell lithium ion battery laser welding strength testing device

The invention relates to the technical field of lithium battery processing, in particular to an aluminum shell lithium ion battery laser welding strength testing device which comprises a device body, the device body comprises a first end, a second end, a first connecting rod and a second connecting rod, and the first end and the second end are oppositely arranged; rotating mechanisms are arranged on the first end part and the second end part, the first end part and the second end part can rotate under the driving of the rotating mechanisms, the first connecting rod and the second connecting rod penetrate through the first end part and the second end part, and an aluminum shell lithium ion battery pack is fixed on the first connecting rod and the second connecting rod; by arranging the aluminum shell lithium ion battery laser welding strength testing device comprising the first end part, the second end part, the first connecting rod and the second connecting rod, aluminum shell lithium ion ...

Response enhancement type photocathode electron source driven by 532nm laser

The invention provides a response enhanced photocathode electron source driven by 532nm laser, and the photocathode comprises a GaAs substrate layer, a distributed Bragg reflector structure layer, an AlyGa1-yAs buffer layer, an AlzGa1-zAs emission layer, and a Cs/O or Cs/NF3 activation layer formed on the surface of the emission layer through an ultrahigh vacuum activation technology from bottom to top, wherein the distributed Bragg reflector structure layer is composed of 10 to 30 pairs of AlAs/Al < x > Ga < 1-x > As overlapping layers. According to the invention, by introducing the distributed Bragg reflector structure, the purpose of reducing the thickness of the emission layer to improve the time response rate is achieved; and meanwhile, the layer number, the layer thickness and the Al component value x of the AlAs/Al < x > Ga < 1-x > As overlapped layer of the distributed Bragg reflector are adjusted, so that the light absorption of the photocathode at the wavelength of 532 nm is enhanced ...

External diagnostic kit

The utility model discloses an external diagnostic kit, including the reagent packing carton with place mutually independent and sealed first reagent bottle, second reagent bottle, the third reagent bottle in the reagent packing carton. First reagent bottle is oblate platform shape structure, and second reagent bottle and third reagent bottle are cylindrical structure. First reagent bottle, second reagent bottle, third reagent bottle all include bottle and bottle lid, and the outside of first reagent bottle, second reagent bottle, third reagent bottle connects gradually through the support, the support be cyclic annular step structure and with the outside phase -match of first reagent bottle, second reagent bottle, third reagent bottle. The bottle lid includes bottle lid and lower bottle lid, the bottleneck threaded connection of lower bottle lid and bottle, lower bottle lid outer lane is equipped with the external screw thread, the inner circle of going up the bottle lid be equipped with ...

Automatically-restoring windproof earthquake-resistant building structure and construction method

The invention relates to an automatically-restoring windproof earthquake-resistant building structure and a construction method. In order to solve the problem of the restoration of 'a slidable windproof earthquake-resistant building structure' in the invention (031211194), a plane structure of a slidable layer which is arranged between a building and a foundation and is formed by rigid spheres in the invention is changed into a paraboloid structure so as to realize the automatic restoration of the building, and simultaneously, the structure also has the function of additional damping. The invention also provides a detailed pre-support construction method and a method reconstructing the conventional building in steps, and provides a sliding nest and a sliding pillar restoration structure.

Synthetic method for 1-phenyl-1-acetone

The invention relates to a synthetic method for 1-phenyl-1-acetone. The synthetic method comprises the following steps: with benzene as a raw material and a solvent, adding propionyl chloride and AlCl3 in two steps at a temperature of 25 to 35 DEG C under the catalysis conditions of AlCl3; and carrying out a Friedel-Crafts acylation reaction to synthesize 1-phenyl-1-acetone. The synthetic method has the advantages of simple process, low cost, mild reaction conditions, product yield of more than 96%, product purity of 99.9%, maximum utilization of waste liquid for preparation of AlCl3.6H2O, no ecological environment risks, substantial economic benefits and suitability for large scale industrial production.

SMALL RNA, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF IN PHARMACEUTICALS FOR SPECIFICALLY UP-REGULATING GENE TRANSCRIPTIONAL ACTIVITY

Disclosed in the present invention are a method for specifically up-regulating gene expression through targeting core promoter using small RNAs (including microRNAs and small interfering RNAs), and a series of regulation target genes. An objective of the present invention is to provide a method for specifically up-regulating gene expression using micro-RNAs, and the present invention possesses a high application value and a broad application prospect in the fields of biotechnology and biomedicine. 1. A preparation method of small RNAs for upregulating expression of endogenous gene , including the following steps:S1. identification of target sites of small RNAs,which are in the range of 20 bases extending upstream and downstream respectively from a TATA box sequence serving as a center, when the TATA box sequence is contained in a promoter, andwhich are sequences of 1-50 bases upstream from a starting site for the gene transcription, when the TATA box sequence isn't contained in the promoter;S2. design and synthesis of small RNAs,antisense sequence of the small RNAs being complementary to sequence of the target site, to obtain a core sequence; andS3. modifying the resultant core sequence of S2, so that the small RNAs contain the following structures:double-stranded siRNA having a length of 19 bases and a dTdT pendant at 3′ terminal, double-stranded siRNA having a length less than or more than 19 bases, microRNA synthesized in vitro, single-stranded or double-stranded antisense RNA synthesized in vitro, or chemically modified siRNA, microRNA and antisense RNA synthesized in vitro.2. Application of a small RNA obtained from the method according to in regulating transcriptional activities of genes and medicines thereof.3. The application according to claim 2 , characterized in that claim 2 , said regulating transcriptional activity of gene means combining with the TATA box sequence or other core promoters to thereby enhance the expression of gene.4. A small RNA prepared ...

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.

Mobile detection device for sulfur hexafluoride insulation electrical equipment

The invention discloses a mobile detection device for sulfur hexafluoride insulation electrical equipment, relates to the gas detection filed, and aims to solve the problem that in the prior art a sulfur hexafluoride detection instrument is usually moved by human force, so the work strength is large, the work efficiency is low, and moreover the testing pipelines and the instrument are easy to get damaged during the moving process. The detection device provided by the invention comprises a sulfur hexafluoride detection instrument and a cart for transporting the sulfur hexafluoride detection instrument. The sulfur hexafluoride detection instrument can be transported by the cart in an on-site detection in an electric power substation, thus the sulfur hexafluoride detection instrument can be moved between different sulfur hexafluoride insulation electrical equipment, the work strength is reduced, and the testing efficiency is improved; moreover the wear or breaking of testing pipelines can ...

Method for preparing m-phenylene dimethylamine

Card with mobile phone application software development platform

The invention discloses a card with a mobile phone application software development platform, which can enable mobile phone value-added application operators to be free from mobile operators and service providers and turns mobile phones into open-application mobile terminals. The technical scheme is achieved as follows: the card with the mobile phone application software development platform is inserted between a mobile phone chip and an SIM card, provides the development platform of mobile phone application software, is provided with two communication interfaces in accordance with the ISO 7816 standard so as to be respectively connected with the mobile phone chip and the SIM card. The invention is applied to the field of the mobile phones.

GLOW IONITRIDING AND STRENGTHENING APPARATUS

This apparatus is composed of furnace body, nitriding and strengthening power supply systems, water cooling system, gas supply and pump system, and the links for pressure and temp control, and suitable for both nitriding and strengthening treatments and the direct transfer between said two processes. After strengthed, the nitrided layer has a depth increased by 40%, a hardness increased by 50% and an antiwear performance improved by one time.

Dust removal device for solving sensible heat recovery blockage

The utility model discloses a dust removal device for solving sensible heat recovery blockage, and relates to the technical field of coal gas equipment. The device comprises an outer wall and a coal gas inlet, the top and the bottom of the outer wall communicate with conical shells through flanges. Manholes are formed in the outer walls of the two conical shells, one end of the coal gas inlet communicates with a near-way valve and an inlet valve, the conical shell located at the top of the outer wall communicates with an outlet valve, the inner wall of the outer wall is fixedly connected withsix fixing rings, filter screens are clamped to the inner surfaces of the six fixing rings, and one ends of the near-way valve and the outlet valve communicate with coal gas outlets. The sensible heatrecovery device has double functions of screening and dust falling, and is simple in structure, low in bearing pressure, cheap in material and convenient to apply and construct on a large scale, meanwhile ...

Industrial equipment energy consumption monitoring method and device, electronic equipment and storage medium

The invention relates to the field of industrial equipment energy consumption monitoring, and particularly discloses an industrial equipment energy consumption monitoring method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the product yield and total power consumption of each production line in a target factory, and judging whether the energy consumption of each production line in the target factory is reasonable or not; acquiring electric power parameters of each specified production line power supply, judging whether the electric power quality of each specified production line power supply reaches the standard or not, and performing early warning; obtaining the energy consumption of a single product of each production device in each marked production line, and judging whether the energy consumption of each production device in each marked production line is abnormal or not; the relative energy consumption ratio of each independent ...

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 ...

Structural joint design by utilizing exterior hydraulic pressure and construction process thereof

The invention relates to a design and a construction process for a structural joint capable of using external hydraulic pressure. The technical problem to be solved by the invention is to provide a design and a construction process for a structure joint. The design and construction process are to communicate a structural joint with a flow channel in the lower reach and keep water level in the structural joint consistent with that in the river channel so as to balance the internal hydraulic pressure of the structural joint by the external hydraulic pressure almost without changing the size of the structural joint and increasing construction cost and conditions. To solve the problem, the invention adopts a technical proposal that a row of L-shaped water pipes are vertically arranged on a water side below the elevation of a precast concrete internal waterstop, with the inlet ends distributed on the water side and communicated with the river channel and the turning outlet ends communicated ...

Hot melt adhesive rifle head of stealthy optical cable construction usefulness

The utility model discloses a hot melt adhesive rifle head of stealthy optical cable construction usefulness, cup joint in the nut of its tip including the rifle head body and one, the rifle head body is equipped with the rifle head and glues the hollow gun breech external screw thread that the rifle is connected including a hollow hexagonal body, hollow cubes's one end, and the other end of the hexagonal body extends has hollow cylinder rifle head, and lateral wall in the hollow cylinder rifle head end portion is equipped with rather than the communicating rifle head of hollow cavity fluting, and rifle head end portion is the conical surface, it inclines along rifle nose corn off -plate in the nut of the rifle head body to cup joint embolias, is equipped with the nut fluting corresponding with rifle head fluting on the nut. This rifle head is to the processing of slotting of hot melt adhesive rifle head, makes stealthy optical cable pass in can following the rifle head, guarantees the ...

Material mixture type seat

The utility model belongs to an apparatus preparation technical field in room relates to a material mixture type seat. It includes the base frame, the circle frame, one end of the support rack is hinged at the support, sit the face that leans on, the base erects arranges the lower part position in, circle frame with the rear portion upwarp the form slant set up above the base frame position and anterior below and the base frame link firmly, the support frame sets up above base frame rear portion position and lower part sit a face vaulting pole about position placed in the middle and base frame link firmly, it links firmly with the circle frame to control both sides, sit to lean on the face to set up above the base frame position and sit portion in front in order to lean against a support frame upper portion back vaulting pole form, lean on face upper portion and circle frame to link firmly, it links firmly with a support frame lower part seat face vaulting pole to sit the face rear portion ...

Mobile phone with data passage having open SIM function

The invention discloses a mobile phone with a data passage having opening SIM function so that the mobile phone with an application software plug-in card can realize data exchange with external equipment by the data passage and realize a mobile phone application software plug-in card program based on the mobile phone. The technical scheme is achieved as follows: the mobile phone comprises an external transmission interface, a mobile phone application software plug-in card interface, a mobile phone main module, an external transmission interface driving unit, a 7816 interface driving unit and amobile phone extended application software unit, wherein the external transmission interface comprises standard external interfaces of the mobile phone; the mobile phone application software plug-incard interface is provided with a communication interface in accordance with the ISO 7816 standard and is used for providing the access of the mobile phone application software plug-in card to the mobile ...

Quick -drying ware of portable filter paper

The utility model relates to a quick -drying ware of portable filter paper. Its technical scheme is: including box and the quick -drying device of multiunit, the quick -drying device of multiunit is installed in the box, and the quick -drying device of every group includes motor, transmission shaft, fan leaf, dry hole, led ultraviolet lamp, detritus memotron, filter paper soon, the top of box be equipped with the fast dry hole of multiunit, installation detritus memotron on the fast dry hole, detritus memotron upper portion is equipped with filter paper, the lateral wall of fast dry hole on be equipped with led ultraviolet lamp, be the fan leaf in the below of fast dry hole, the fan leaf be connected to the motor through the transmission shaft on. The beneficial effects are that: its simple structure, light in weight, convenient to use, small occupation space is little, implements the shows detritus for a long time at outdoor needs, has changed the dry mode of original filter paper, implements ...

Shock absorber with accurate three-direction rigidity balancing function

The invention provides a shock absorber with the accurate three-direction rigidity balancing function. The shock absorber is composed of a steel wire rope shock absorption set and a series shock absorption set. The series shock absorption set is composed of a box sleeve, a sleeve cover, an adhesive elastic module and a centering shaft rod. One side of the steel wire rope shock absorption set in the Y-axis direction is fixedly connected with an external support and the other side of the steel wire rope shock absorption set in the Y-axis direction is fixedly installed at one end of the box sleeve. The other end of the box sleeve is closed through the sleeve cover, the adhesive elastic module is arranged in an inner cavity of the box sleeve and can be deformed elastically in the Y-axis direction, one end of the centering shaft rod is fixed to the center portion of the adhesive elastic module, the middle of the centering shaft rod is matched with the sleeve cover through a shaft hole, and the ...

Device for reading and writing measurement displacement by laser

The invention discloses a code carrier, a code and its read-write device, which use laser to read measuring displacement. The invention is applied to the ultraprecise machining field. The preferentialmeasuring device in the field is a double frequency laser interferometer or a grating displacement sensor. Both the double frequency laser interferometer and the pattern displacement sensor determinethe displacement value through accumulating the total number of the light impulses. However, due to the structure and the measurement mode, light impulses can be lost, thereby resulting in progressive errors. By selecting a DVD laser interference structure and the measurement mode of absolute value type, the invention can directly read out the code of the displacement relative to the reference atany position within the measuring range to determine the displacement of a laser head to the reference. The device can make the measurement precision approacheto the distinguishability and has fast measurement ...

Portable physical sign monitor

The invention discloses to a portable physical sign monitor for facilitating monitoring, improving the monitoring quality of the old, the weak, the sick, the disabled, the pregnant and special staff,promoting health and avoiding the occurrence of accidents that health is influenced or damage is caused due to untimely discovery. Sensors of temperature, humidity, pressure and the like, microphonesand the like are placed next to the skin into a diaper, an undershirt and the like of a user, the information of breath, body temperature, excretion, cry and the like of the user, such as a baby is input into a microprocessor for comprehensive analysis, and distinguishable prompts and remote monitoring and reminding are given in time to achieve the purpose of real-time monitoring, which is equivalent to being momently monitored by a professionally trained nurse. For facilitating manufacture, the invention also discloses a sliding elastic sensor with a rheostat simple structure.

METHOD FOR MAKING HEPATIC CELL GROWTH HORMONE BY NEGATIVE PRESSURE DIALYSIS METHOD

Dark purple external amorphous transparent conductive film and preparation method thereof

The invention relates to a dark purple external amorphous transparent conductive film and a preparation method thereof, which belong to the technical field of electronic materials. The dark purple external amorphous transparent conductive film is sequentially provided with a Ga2O3 layer, a metal Al conductive layer and a Ga2O3 layer on a far ultraviolet optics quartz glass substrate. The thickness of the GaO3 layer is 20-34 nm and the thickness of the metal Al conductive layer is 4.5-13.5 nm. Under the condition that the substrate temperature is room temperature, the GaO3 layer is prepared from GaO3 ceramic target by a radio-frequency magnetron sputtering method, under the condition that the argon pressure is 0.2-2Pa and the sputtering power is 30-200W; and the metal Al layer is prepared from the metal Al by a direct current magnetron sputtering method under the condition that the sputtering current is 80-150 mA and the sputtering voltage is 200-400V and the argon pressure is 0.2-2Pa.The ...

Account binding relation processing method and device

The embodiment of the invention discloses an account binding relation processing method and device, and the method comprises the steps: receiving a first external identity label of a bound account under the condition that the bound account is authorized; target data used for a public platform to generate a binding relation is uploaded to the public platform, wherein the target data comprises the first external identity label and a second external identity label of a local account; and waiting for receiving a synchronization result fed back by the public platform. According to the method and the device, the problems of delay, data inconsistency and too low security of data synchronization binding through an interface in related technical problems can be solved, the external identity label used for account binding is uploaded to the public platform to generate the binding relationship, so that subsequent rapid calling of the binding relationship is facilitated, the situation that the synchronization ...

Reconfigurable method and system for complex application scene of 4D millimeter wave radar

The invention discloses a 4D millimeter wave radar complex application scene-oriented reconfigurable method and system. The method comprises the following steps of S1, carrying out reconfigurable architecture design on hardware and software algorithms; s101, based on full-link coupling optimization of the 4D millimeter-wave radar system, obtaining an optimal coupling optimization result of parameter information corresponding to each scene or working condition and component; s102, performing comparative analysis on the optimal coupling optimization result to obtain parameter information which must be subjected to reconfigurable design; s2, dynamically reconstructing hardware and software algorithms according to the real-time sensing result of the environment situation; and S3, based on the reconfigurable architecture, embedding the dynamic reconfigurable system into a high-end core chip architecture, and switching the working states of hardware and software algorithms according to different ...

Pinch roll guide groove between rod and wire rolling mills

The invention relates to a pinch roll guide groove between rod and wire rolling mills, and belongs to the technical field of hot-rolled rod and wire production equipment in the metallurgical industry. According to the technical scheme, a pinch roll frame (3) is of a rectangular structure formed by combining a top plate, a bottom plate and two side plates, a lower pinch roll (6) is rotationally connected to the bottom plate of the pinch roll frame (3), an upper pinch roll (5) is rotationally connected to an upper pinch roll frame (8), and a roll gap adjusting bolt (9) is arranged between the upper pinch roll frame (8) and the top plate of the pinch roll frame (3); the inlet guide groove (1) is fixed on an inlet side plate of the pinch roll frame (3), and the outlet guide groove (2) is fixed on an outlet side plate of the pinch roll frame (3). The device has the beneficial effects that the steel material which is rolled by the previous rolling mill and is subjected to torsional deformation ...

Tunnel XPS buffer layer construction method

The invention discloses a construction method for a tunnel XPS buffer layer. During construction design, fixing strips made of tunnel waterproof plates and XPS plates are pasted to form buffer layer units, the buffer layer units are arranged in a staggered joint mode in the longitudinal direction of a tunnel, and self-adhesive tape is used for sealing joints to form a buffer layer. The back connection of the tunnel waterproof plate is properly encrypted, the fixing strips of the buffer layer units are fixedly connected with the tunnel waterproof plate in a gluing and sweat soldering combined mode, and the buffer layer is supported by the positioning steel bar structure, so that the buffer layer is effectively prevented from falling off and shifting, and an integrally stable positioning and reinforcing system is formed. The method has the following advantages: (1) a buffer layer positioning and reinforcing system is researched, and a set of tunnel buffer layer mounting process is formed; ...

Medical article negative pressure collection system

The medical article negative pressure collection system comprises a medical article storage device and a compression device, wherein the medical article storage device comprises a medical article storage cavity. The compression device is preferably a negative-pressure compression device, the medical article negative-pressure collection system is provided with a special disposable collection bag which can be placed in the medical article storage cavity, and medical articles collected by the disposable collection bag are compressed by being connected with a negative-pressure source 200 or being provided with a negative-pressure pump. According to the negative pressure collection system for the medical articles, the disinfection device is arranged to disinfect and sterilize the collected medical articles and gas exhausted in the negative pressure process, then the disposable collection bag is subjected to heat sealing through the sealing device, convenience and safety in the transfer process ...

Music interaction method and system based on augmented reality

The invention provides a music interaction method based on augmented reality, and the method comprises the steps: responding to a condition that a user enters a set space, scanning the user, and building a 3D virtual image corresponding to the user; the camera recognizes human body actions of the user and maps the actions to the 3D virtual image; the tourist clicks a set application program through the mobile phone terminal, triggers a camera of the mobile phone terminal, positions and identifies the spatial orientation of the tourist, calibrates the spatial orientation with the generated point cloud map and the 3D map, and obtains an actual scene in the camera of the mobile phone terminal after the calibration is passed; fusing the virtual image and the actual scene, and enabling the tourist to enjoy the performance under the fusion of the virtual image and the actual scene at the mobile phone terminal; the method provided by the invention is a music interaction method capable of being ...

Method for preparing 2-nitro-2-methyl-1-propanol

The invention relates to a method for preparing 2-nitro-2-methyl-1-propanol. The method comprises the following steps: (1) dissolving an alkali in an alcohol solvent to obtain a solution and dissolving paraformaldehyde in the solution to obtain a dissolving solution, wherein the mass ratio of alcohol to alkali to paraformaldehyde is equal to 1: (0.005-0.05): (0.2-2); (2) adding the dissolving solution into 2-nitropropane for reacting, after the reaction is completed, neutralizing with an acid and then filtering to obtain a filtrate, wherein the molar ratio of 2-nitropropane to paraformaldehyde in the step (1) is equal to 1: (0.5-2); and (3) distilling the filtrate under reduced pressure to obtain 2-nitro-2-methyl-1-propanol crystals. The method is simple in process and is easily operated, and the yield of the product is high. Since alcohol is used as a solvent, the energy consumption during the concentration is reduced and the industrial continuous production is easily achieved.

Structural joint design by utilizing exterior hydraulic pressure and construction process thereof

The invention relates to a design and a construction process for a structural joint capable of using external hydraulic pressure. The technical problem to be solved by the invention is to provide a design and a construction process for a structure joint. The design and construction process are to communicate a structural joint with a flow channel in the lower reach and keep water level in the structural joint consistent with that in the river channel so as to balance the internal hydraulic pressure of the structural joint by the external hydraulic pressure almost without changing the size of the structural joint and increasing construction cost and conditions. To solve the problem, the invention adopts a technical proposal that a row of L-shaped water pipes are vertically arranged on a water side below the elevation of a precast concrete internal waterstop, with the inlet ends distributed on the water side and communicated with the river channel and the turning outlet ends communicated ...

Chinese traditional medicine preparation for acute sinusitis

The invention relates to a traditional Chinese medicine preparation which is used for treating acute sinusitis. The medicine is made up of following grams of raw materials: corydalis bungeana, sanguisorba and grassleaf sweelflag rhizome which respectively has 13 to 15 grams; motherwort, lily magnolia and medulla tetrapanacis which respectively has 9 to 12 grams as well as yellow croaker ear-stone which has 7 to 8 grams. The invention is characterized by novel prescription, low cost, convenient preparation and remarkable effect.

Bore hole 3D display panel and bore hole 3D display device

The utility model provides a bore hole 3D display panel and bore hole 3D display device, bore hole 3D display panel wherein, including grating and 2D display screen, the grating set up in the light -emitting side of 2D display screen, bore hole 3D display panel still includes people's eye detection portion and automatically controlled beam refraction portion, automatically controlled beam refraction portion set up in the light -emitting side of grating, people's eye detection portion is used for the detection to be located bore hole 3D display panel's the ascending user's in light -emitting side people eye position, automatically controlled beam refraction portion, be used for with the emergent light refraction of grating extremely people eye position. Through the utility model provides a bore hole 3D display panel and bore hole 3D display device can provide the visual angle of watching on a large scale for the user, improves user's the experience of watching, alleviates bore hole 3D display ...

Rolling brush traction mechanism and cleaning equipment

The invention discloses a rolling brush traction mechanism and cleaning equipment, and belongs to the technical field of cleaning equipment. The rolling brush traction mechanism comprises a base, a rolling brush and an auxiliary wheel assembly; the rolling brush and the auxiliary wheel assembly are both located at the bottom of the base and rotationally connected with the base, and the first rotating axis of the rolling brush is parallel to the second rotating axis of the auxiliary wheel assembly. The auxiliary wheel assembly is configured to be capable of being switched to a first state and a second state, in the first state, first friction force between the rolling brush and the supporting face is larger than or equal to a friction force threshold value, and in the second state, second friction force between the rolling brush and the supporting face is smaller than the friction force threshold value. By the adoption of the scheme, when the auxiliary wheel assembly 3 is in the first state ...

Device for remotely monitoring on-off state of high voltage isolation switch

The invention aims to overcome the defects in the prior art and provides a device for remotely monitoring the switch on-off state of a high voltage line isolation switch on the basis of the laser induction technology, and the purposes of reliably monitoring the state of the isolation switch and remotely, automatically and accurately determining the state of the isolation switch are achieved. To achieve the purposes, the device for remotely monitoring the switch on-off state of the high voltage isolation switch comprises an isolation switch on-off state laser induction module installed in the position of the isolation switch, a power line carrier broadband communication module and a rear-end server, wherein the isolation switch on-off state laser induction module is composed of a laser transmitter, a laser reflector and a laser inductor. The device for remotely monitoring the switch on-off state of the high voltage isolation switch has the advantages that through the laser induction technology ...

Marine extraction ecological modular system

The invention provides an ocean lifting ecological modular system, and relates to the technical field of ocean lifting ecological structures. The plurality of ecological vegetation module structures are sequentially arranged and arranged on the base layer according to a preset height; the ecological vegetation module structures form a first step, a second step and a third step in the direction from the slope protection belt to the pipe pile belt, the planting height of the first step ranges from the average low tide level to the average sea level, the planting height of the second step ranges from the average sea level to the average high tide level, and the planting height of the third step ranges from the average sea level to the average high tide level. In the scheme, the ecological vegetation module structure adopts a hoisting technology, the installation is rapid, the time cost can be reduced, and the open sea construction efficiency is improved; the ecological vegetation module structure ...

Three-dimensional positioning system of lightning radiation source

The invention relates to a three-dimensional positioning system of a lightning radiation source. The three-dimensional positioning system of the lightning radiation source, which is formed by a wide-band coherent signal acquisition module, a fast and slow antenna signal acquisition module, a clock module and a control computer module, is respectively installed on at least two sites; for each lightning radiation source, the wide-band coherent signal acquisition module provides a group of azimuth angles and elevation signals simultaneously, the fast and slow antenna acquisition module also synchronously records variable signals of an electric field; the clock module synchronously provides precise time reference signals for the wide-band coherent signal acquisition module and a computer; the above signals are also synchronously transmitted to the control computer module; software control programs in computers of all the sites control corresponding module coordination work in all the sites; ...

Set-top box major/minor device binding method and system thereof

This invention provides a binding method for host-sub set of a set-top box incluing: writing in a unique serial number in each unprovided set- top box, defining if a set-top box to be granted is a master or a sub-one and sending a serial number of a binded host and specific information showing that this is a sub-one to a sub-set when it is going to be granted and storing the information in the sub-one, asking a user to activate and verify it each time when turning on the sub-set or after a specific period of time, if the verification is successful, then the sub one works normally, if not, then it asks the user to carry out said activation verification again.

Reactor and method for preparing epoxypropane by reactor

The invention discloses a reactor. The middle of the reactor is filled with an epoxidation catalyst, the top wall of the reactor is provided with a gas outlet, the upper side wall of the reactor is provided with a liquid outlet, the lower side wall of the reactor is provided with one or two groups of injectors, each group of the injectors comprises two injectors symmetrically distributed on the same plane, the injector comprises a jet pipe and a nozzle connected to the jet pipe, the nozzle is frustoconical, the diameter of one end of the nozzle connected to the jet pipe is greater than that of the other end, the nozzle stretches into a fixed bed reactor, the jet pipe comprises two sections, the section of the jet pipe far away from the nozzle is cylindrical, the other section is frustoconical, and the diameter of one end of the jet pipe far away from the nozzle is greater than the diameter of one end of the jet pipe connected to the nozzle. The invention discloses a method for preparing ...

Carbon consumption determination method and device, equipment and storage medium

The invention discloses a carbon consumption determination method and device, equipment and a storage medium. According to the method, pre-estimated electrical carbon factors corresponding to objects to be determined are determined, reference electrical carbon factors corresponding to at least two reference objects are obtained, and then target electrical carbon factors of target objects in the objects to be determined are determined according to the reference electrical carbon factors and the pre-estimated electrical carbon factors. If the current number of the target objects does not exceed the preset number, removing the target objects from the to-be-determined objects, taking the target electrical carbon factors as the reference electrical carbon factors, and returning to execute the operation of determining the target objects, so that prediction of the electrical carbon factors of the plurality of to-be-determined objects is realized, the accuracy of the predicted electrical carbon ...

Iron-silicon-chromium magnetic powder glue and preparation method thereof

The invention discloses iron-silicon-chromium magnetic powder glue and a preparation method thereof. The iron-silicon-chromium magnetic powder glue comprises the following raw materials in parts by weight: 2-12 parts of epoxy resin, 2-10 parts of epoxy resin, 1-10 parts of a diluent, 0.001-0.05 part of a defoaming agent, 0.01-0.03 part of a nano dispersant and 100 parts of alloy magnetic powder. The preparation method comprises the following steps: S1, adding epoxy resin into a stirrer, sequentially adding a defoaming agent, a diluent and a curing agent, grinding, and defoaming for 1 hour to prepare primary glue; s2, dispersing the prepared primary glue, adding alloy magnetic powder and a nano dispersant, uniformly stirring, grinding, stirring, defoaming for 1 hour, and filling to prepare iron-silicon-chromium magnetic powder glue; compared with traditional iron-silicon-chromium magnetic powder, the alloy magnetic powder has the advantages that the compact oxidation film and nitride film ...

Spinal disease medical record online collection database and data collection method

The invention discloses a spinal disease medical record online collection database and data collection method. The spinal disease medical record online collection database comprises a login interface and an information filling interface; the information filling interface comprise a basic information input interface, an initial assessment interface, a doctor assessment interface, an operation recording interface and a postoperative follow-up interface; the basic information input interface is used for guaranteeing the integrity of preoperative and postoperative follow-up data; the initial assessment interface is used for performing preliminary assessment on the conditions of patients; the doctor assessment interface is used for performing assessment on the preoperative physical conditions of the patients; the operation recording interface is used for recording the operation process and conditions of the patients; the postoperative follow-up interface is used for recording the follow-up conditions ...

Multifunctional table for performance equipment

The invention discloses a multifunctional table for performance equipment. The multifunctional table comprises a rack, a plurality of seat assemblies and a driving assembly. The multiple seat assemblies are sequentially arranged on the rack in a step shape, each seat assembly comprises a rotating frame and a seat, the rotating frame is rotatably arranged on the rack and provided with a first working face and a second working face, the first working face is provided with a step structure, and the multiple seats are installed on the second working face in the length direction of the rotating frame at intervals. The seat is a folding seat; the seat assembly is provided with a seat working position and a step working position, when the seat assembly is in the seat working position, the second working face faces upwards, the seat can be used, and when the seat assembly is in the step working position, the first working face faces upwards, and the seat assembly is used as a step; the driving ...

SUPERELASTIC LOW ROLLING RESISTANCE CONVEYOR BELT

The present invention discloses a conveyor belt comprising: a load carrying core, an upper cover layer above said core, a pulley cover layer beneath said core, wherein the pulley cover layer includes at least one high elastic modulus layer which extends beneath at least a portion of the pulley cover layer and wherein the high elastic modulus layer is comprised of a high elastic modulus material and wherein the high elastic modulus material has elastic modulus which is within the range of 0.3 GPa to 220 GPa and wherein the high elastic modulus layer has a thickness which is within the range of 0.005 mm and 4 mm. 1. A conveyor belt comprising: a load carrying core , an upper cover layer above said core , a pulley cover layer beneath said core , wherein the pulley cover layer includes at least one high elastic modulus layer which extends beneath at least a portion of the pulley cover layer and wherein the high elastic modulus layer is comprised of a high elastic modulus material and wherein the high elastic modulus material has elastic modulus which is within the range of 0.3 GPa to 220 GPa and wherein the high elastic modulus layer has a thickness which is within the range of 0.005 mm and 4 mm.2. The conveyor belt of claim 1 , wherein the high elastic modulus layer extends beneath the center 10% to 85% of the width of the pulley cover layer.3. The conveyor belt of claim 1 , wherein the high elastic modulus layer extends only beneath the center 10% to 85% of the width of the pulley cover layer.4. The conveyor belt of claim 1 , wherein the conveyor belt includes a plurality of high elastic modulus layers wherein the cumulative width of the high elastic modulus layers extends beneath no more than 85% of the width of the pulley cover layer.5. The conveyor belt of claim 4 , wherein the high elastic modulus layers are separated by portions of the pulley cover layer which extend to the bottom surface of the belt.6. The conveyor belt of claim 5 , wherein the cumulative width ...

TOTAL-SKY LIGHTNING EVENT OBSERVATION SYSTEM AND METHOD

A total-sky lightning event observation system and method may include a photographing device, a housing, a temperature control device, a light shielding device, a control module, a power supply module, a corona current sensor, a data acquisition device, a GPS antenna, a GPS timing module and a processing unit. The photographing device can capture total-sky digital images and transmit the images directly to the processing unit. The processing unit consecutively acquire corona current via the data acquisition device and judges whether there exists thunderstorm activity within the observed range; if there exists thunderstorm activity, the light shielding device is opened so as to enter a lightning observation mode, and the light shielding device is closed after the observation is finished so as to protect the photographing device in non-thunderstorm weather. 1. A total-sky lightning event observation system , comprising:a housing, a top of which has an opening, at which a transparent protective cover is mounted;a photographing device disposed in the housing and at the opening;a sensor for sensing a representative parameter of the thunderstorm activity and producing sensed data;a data acquisition device for acquiring the sensed data from the sensor;a processing unit for receiving the sensed data from the data acquisition device, the processing unit setting the system in a first operational mode and the data acquisition device in a first data acquiring mode when the sensed data indicates there is no thunderstorm activity within a range observed by the system, and the processing unit setting the system in a second operational mode and the data acquisition device in a second data acquiring mode when the sensed data indicates there exists thunderstorm activity within the range observed by the system; anda control module disposed within the housing, the control module receiving a first instruction from the processing unit and shutting down the photographing device based on ...

STOMACH TUBE FOR PREVENTING ASPIRATION

The present invention discloses a stomach tube for preventing aspiration, comprising: a control circuit, an air pump, a PH sensor and a stomach tube provided with an air sack, wherein the air pump is in communication with the air sack, the PH sensor is arranged on an inner wall of the stomach tube at a distance of 40 cm away from a foretooth, and the control circuit is connected to the air pump and the PH sensor, respectively. The stomach tube of the present invention uses the PH sensor and the pressure sensor to monitor the PH value of the esophagus and the pressure of the air sack in real time, so as to accurately detect the occurrence of stomach esophagus regurgitation each time in advance, thereby avoiding the possibility of aspiration caused by regurgitation and the recessive pneumonia caused thereby; meanwhile, the present invention adopts a real-time control manner to automatically start the expansion of the air sack, thereby avoiding the damage to the esophageal mucosa caused by the long-time compression of the air sack on the esophagus, and reducing the substernal discomfort of a user. As a stomach tube for preventing aspiration, the present invention can be widely applied to the field of medical instruments. 1. A stomach tube for preventing aspiration , characterized by comprising a control circuit , an air pump , a PH sensor and a stomach tube provided with an air sack , wherein the air pump is in communication with the air sack , the PH sensor is arranged on an inner wall of the stomach tube , and the control circuit is connected to the air pump and the PH sensor , respectively.2. The stomach tube for preventing aspiration of claim 1 , characterized in that the control circuit comprises a PH comparison module claim 1 , wherein the PH sensor is connected to an input end of the PH comparison module claim 1 , and an output end of the PH comparison module is connected to the air pump.3. The stomach tube for preventing aspiration of claim 1 , characterized in ...

Anti-loosening expansion device and construction method thereof

The present disclosure belongs to the field of bridge construction, in particular to an anti- loosening expansion device and a construction method thereof. The anti-loosening expansion device includes a comb plate and an expansion joint formed by a beam body, the comb plate is disposed on the expansion joint, the expansion device further includes a spigot base, on which an acute angle spigot is disposed, and one end that the comb plate is away from the expansion joint is disposed in the acute angle spigot. The anti-loosening expansion device provided by the present disclosure limits and locates the comb plate through the spigot base, thereby avoiding the damage to the comb plate caused by damaged bolts.

Semiconductor structure and method of forming semiconductor structure

Semiconductor structure and forming method thereof are provided. The semiconductor structure includes a substrate and a plurality of transistors located over the substrate. A transistor of the plurality of transistors includes: a channel layer parallel to a substrate surface, a gate structure surrounding the channel layer, and a source/drain doped region located on two sides of the gate structure. The source/drain doped region is in contact with the channel layer, and the gate structure is electrically isolated from the source/drain doped region. The semiconductor structure also includes a first metal structure located over the substrate, and a second metal structure located over the first metal structure and the gate structure. The first metal structure is in contact with the source/drain doped region. The first metal structure, the source/drain doped region and the gate structure are arranged along a first direction. The first direction is parallel to the substrate surface.

Semiconductor structure and fabrication method thereof

A semiconductor structure includes a substrate, channel layers arranged in parallel along a first direction, gate structures arranged in parallel along a second direction, source doped regions and drain doped regions located on two sides of the gate structures respectively, and a metal layer. The gate structures surround the channel layers, respectively. The first and second directions are parallel to a substrate surface and perpendicular to each other. The source and drain doped regions contact the channel layers, respectively. The metal layer contacts one of the source or drain doped regions. The metal layer, one of the source doped regions, one of the drain doped regions, and one of the gate structures are stacked along the second direction.

Single construct platform for simultaneous delivery of gene editing machinery and nucleic acid cargo

The present disclosure provides nucleic acid compositions, methods, and an overall platform for site-specific genetic engineering using Programmable Addition via Site-Specific Targeting Elements (PASTE), transposon-mediated gene editing, or other suitable gene editing or gene incorporation technology packaged into a single nucleic acid construct.

一种病床角度尺

本实用新型公开一种病床角度尺，属于医疗辅助用具技术领域。在医用病床上添加一个滚珠角度尺，用于准确判断病床抬起的角度；滚珠角度尺上刻有0‑90°，间距为15°的角度刻度，金属球在重力作用下沿圆弧轨道运动，通过观察金属球对应的角度或听取提示音，即可判断病床抬起的角度，操作方便快捷，抬起角度准确，操作方便快捷；角度尺中充满透明油液，能够在金属球滚动时起到缓冲作用，避免金属球来回晃动，难以判别位置。

Single construct platform for simultaneous delivery of gene editing machinery and nucleic acid cargo

The present disclosure provides nucleic acid compositions, methods, and an overall platform for site-specific genetic engineering using Programmable Addition via Site-Specific Targeting Elements (PASTE), transposon-mediated gene editing, or other suitable gene editing or gene incorporation technology packaged into a single nucleic acid construct.

Nanoscale water-based narrow-molecular-weight distribution acrylic copolyester and preparation therefor

Online protection method and system

An online protection method and system. The online protection method comprises: obtaining calibration state data that is periodically updated (S10); performing reconstruction calculation on reactor core power distribution data corresponding to the total rod positions of control rods (S20); obtaining the current total rod position of each control rod in real time, and selecting a group of reactor core power distribution data from a plurality of groups of reactor core power distribution data as the current reactor core power distribution data (S30); calculating a maximum LPD value and a minimum DNBR value corresponding to the current total rod position of the control rod (S40); and according to the calculated maximum LPD value, the calculated minimum DNBR value, a preset LPD setting value, and a preset DNBR setting value, determining whether to trigger a reactor shutdown signal (S50).

Control device and system for power window switch

A control device for a power window switch includes an infrared transmitting device (11), an infrared receiving device (12), a control device (13), and a structural member (14) arranged between the infrared transmitting device (11) and the infrared receiving device (12) and configured to block an infrared signal transmitted by the infrared transmitting device (11). The infrared receiving device (12) includes a first infrared receiving unit (121) and a second infrared receiving unit (122), and the first infrared receiving unit (121) and the second infrared receiving unit (122) are controlled by movement of the structural member (14) according to an operation instruction of a user, to receive or not to receive the infrared signal, thus outputting different level signals. The control device (13) controls the power window switch according to the changes of the level signals during the movement of the structural member (14). The infrared receiving device (12) transmits different level signals when being allowed or not allowed to receive infrared signals, to achieve recognition for the operation instruction of the user, thus realizing control of the power window switch, thereby avoiding a direct contact between parts, reducing physical abrasion, and improving a service life of the control system.

Single construct platform for simultaneous delivery of gene editing machinery and nucleic acid cargo

The present disclosure provides nucleic acid compositions, methods, and an overall platform for site-specific genetic engineering using Programmable Addition via Site-Specific Targeting Elements (PASTE), transposon-mediated gene editing, or other suitable gene editing or gene incorporation technology packaged into a single nucleic acid construct.

Plataforma de construccion unica para el suministro simultaneo de maquinaria de edicion de genes y carga de acido nucleico.

En la presente descripción se proporcionan composiciones de ácidos nucleicos, métodos y una plataforma general para la ingeniería genética con especificidad de sitio mediante el uso de la adición programable mediante elementos de direccionamiento con especificidad de sitio (PASTE, por su sigla en inglés), edición de genes mediada por transposones u otra tecnología adecuada de edición o incorporación de genes empaquetada en una única construcción de ácido nucleico.