Expression method of Beclin1 and MAP1-LC3 (microtubule-associated protein 1-light chain 3) in steroid-induced avascular necrosis of femoral head of rabbit

The invention discloses an expression method of Beclin1 and MAP1-LC3 (microtubule-associated protein 1-light chain 3) in steroid-induced avascular necrosis of femoral head of a rabbit, detection of a bone cell apoptosis index of a femoral head tissue of a rabbit SANFH (steroid-induced avascular necrosis of femoral head) model and the MAP1-LC3 expression shows that autophagy-related gene Beclin1 can regulate autophagy activity and also can selectively combine with family members of Bcl-2 (B-cell lymphoma-2) to regulate the cell apoptosis activity. By detection of the expression of the Beclin1 in the SANFH model, the expression method provides a new molecular target for treatment of SANFH. The expression method is simple and convenient in operation, better solves the problem that no study on cell apoptosis and autophagy expression and mutual relation thereof in the SANFH model is found at home and abroad, and fills the blank of the study on cell apoptosis and autophagy expression and the ...

Blood serum minuteness ribonucleic acid reagent kit and application in early diagnosis of hepatitis B

... invention discloses a kit for a serum micro-ribonucleic acid and the application in the early diagnosing of hepatitis B thereof which belong to the technical field of biotechnological pharmaceutics. The invention provides the combination of the micro-ribonucleic acid used for estimating the physiological and/or pathological states of a normal person, a HBVer and a patient with hepatitis B; the combination comprises all the micro-ribonucleic acids which have differential expression in the serum/plasm of the normal person, the HBVer and the patient with hepatitis B and prepares a diagnosing kit which can be used for the early diagnosing of hepatitis B. The combination and the method can be used for the early detection and nondirective therapy of hepatitis B; besides, the combination and the method have the advantages of high specificity, high efficiency, high sensitivity, low detection cost, convenient material obtaining, and the like. Besides, the samples are easily stored.

Temperature control device of power device chip based on Peltier effect

The invention discloses a Peltier effect-based temperature control device of a power device chip. The Peltier effect-based temperature control device comprises a temperature measurement circuit, a controller, an excitation power supply, a switch and a Peltier effect radiator, wherein the temperature measurement circuit is formed by sequentially connecting an NTC sensor with a divider resistor R1 and a power supply VCC in series. On the premise that the output power and the output waveform of the converter are not influenced, the thermal resistance of a peak power loss point is reduced, and the peak junction temperature is reduced, so that the junction temperature fluctuation is reduced to the greatest extent, and the thermal stability of the power semiconductor module can be improved.

Fertilizing device and fertilizing method for fresh corn

The invention relates to the technical field of fresh corn, in particular to a fertilizing device and a fertilizing method for fresh corn. Comprising a machine head and a rack, and tires are rotationally connected to the lower end of the machine head; the upper end of the machine head is fixedly connected with a handrail; a transmission motor is fixedly installed on the side, close to the handrail, of the machine head. The transmission motor is in transmission connection with the tire through a gear chain; the rack is hinged to the side, close to the handrail, of the machine head. The upper end of the rack is fixedly connected with a hopper; through cooperation of the track shoe and the shovel plate, the shovel plate can enter the space between the plant spacing of two corn plants for intertillage and weeding, so that hardened soil between the plant spacing is loosened, and weeds growing between the plant spacing are shoveled; breathing and growth of the corn seedlings are guaranteed, the ...

Rotary steerable drilling tool with a linear motor

A rotary steerable drilling tool with an electromagnetic steering system can include a drill collar, a bit shaft, an orientation control module, a mud tube, a mud tube coupler, a universal joint, a mud sealing device, and a drill bit. The bit shaft can be mechanically coupled to the drill collar through the universal joint and the orientation control module and rotate about the universal joint. The orientation and the inclination angle of the bit shaft against the drill collar can be controlled by the orientation control module with the electromagnetic steering system. The orientation control module can include a guide track mounted on the inside wall of the drill collar, arrays of electromagnets mounted on the guide track, a positioning frame, a permanent magnet mounted on the positioning frame, a coupling tube, and at least two bearing wheels. A corresponding electromagnetic steering method is also provided.

NON-TRANSITORY MACHINE READABLE MEDIUM FOR CLOCK RECOVERY

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Direct recognizing system for intelligent substation transmission line differential protection on/off states

The invention discloses a direct recognizing system for intelligent substation transmission line differential protection on/off states. The direct recognizing system solves the problem that a transformer is started when a soft pressing plate is forgot to be in an on or off state in an existing intelligent substation. The direct recognizing system comprises a transmission line differential protection soft pressing plate state output modular circuit (1), a first logical AND gate circuit (11), a second logical AND gate circuit (12), a logical OR gate circuit (13), a transformer protection liquid crystal display (16) and a transformer protection device overhauling hard pressing plate (10), wherein the output end of the first logical AND gate circuit (11) is connected with the input end of the second logical AND gate circuit (12) and the antilogical input end of the logical OR gate circuit (13), the output end of the second logical AND gate circuit (12) is connected with the transformer protection ...

Data clock recovery circuit

The invention discloses a data clock recovery circuit based on a marginal linearization technology. The circuit comprises a voltage-controlled oscillator, an injection locked frequency divider, a variable delay unit, a linearization loop, a Bang-bang loop and a loop filter, wherein the voltage-controlled oscillator is used for generating differential clocks; the differential clocks are subjected to frequency division through the injection locked frequency divider are delayed by the variable delay unit and become eight phases of clocks; a phase discriminator is used for performing oversampling on data through the eight-phase clock, and performing synchronization and logical operation to control a charge pump to generate pulse current; and after the current is filtered by the loop filter, the control end of the voltage-controlled oscillator is controlled. Through adoption of the data clock recovery circuit, 4 channels of data and corresponding clocks can be recovered for input data at low ...

METHOD FOR CONTROLLING DRILLING DIRECTIONS OF A DRILL BIT BY A ROTARY STEERABLE DRILLING TOOL

A rotary steerable drilling tool with an electromagnetic steering system can include a drill collar, a bit shaft, an orientation control module, a mud tube, a mud tube coupler, a universal joint, a mud sealing device, and a drill bit. The bit shaft can be mechanically coupled to the drill collar through the universal joint and the orientation control module and rotate about the universal joint. The orientation and the inclination angle of the bit shaft against the drill collar can be controlled by the orientation control module with the electromagnetic steering system. The orientation control module can include a guide track mounted on the inside wall of the drill collar, arrays of electromagnets mounted on the guide track, a positioning frame, a permanent magnet mounted on the positioning frame, a coupling tube, and at least two bearing wheels. A corresponding electromagnetic steering method is also provided. 1a) determining a geo-stationary orientation of the drill bit;b) determining a relative position between the permanent magnets and the electromagnets;c) calculating the voltage to be applied to the electromagnets;d) generating magnetic flux in the first and the second arrays of the electromagnets; and,e) controlling the orientation of the bit shaft.. A method of controlling drilling directions of a drill bit by a rotary steerable drilling tool having a bit shaft mechanically coupled to an orientation control module including a first and a second arrays of electromagnets and an array of permanent magnets, comprising the steps of: This is a divisional application of U.S. patent application Ser. No. 14/280,195, filed on May 16, 2014, by Naizheng Liu, Qihui Zhao, Yuzhou Lu, Yonghe Li, Rui Bai, Jing Li, and Ce Liu, which is incorporated herein by reference.The present invention relates generally to apparatuses and methods for the directional drilling of wells, particularly wells for the production of petroleum products. More specifically, the present invention ...

Antimagnetic wear resistant jacket for LWD tool

The invention relates to a nonmagnetic abrasion-resistant sleeve for a logging while drilling tool of a protective drill string petroleum drilling downhole instrument, which consists of a nonmagnetic abrasion-resistant sleeve body, abrasion-resistant sleeve external trapezoidal grooves, trapezoidal grooves on both ends, and trapezoidal diamond strips, wherein nine uniformly distributed abrasion-resistant sleeve external trapezoidal grooves are arranged on the outer edge of the nonmagnetic abrasion-resistant sleeve body; nine trapezoidal grooves are uniformly cut on a convex part of a carcass of the abrasion-resistant sleeve by the line cutting technology; the cut nonmagnetic trapezoidal strips are cut into short knots with the length of 20 millimeters; the short knots of the nonmagnetic trapezoidal diamond strips are placed into the trapezoidal grooves of the carcass of the abrasion-resistant sleeve by means of crossing; after all the trapezoidal grooves are filled with the short knots, ...

Technological method for deep desulfurization of liquefied gas

The invention relates to a technological method for deep desulfurization of liquefied gas. The method comprises the following steps: 1) removing H2S of liquefied gas through an amine liquid extraction tower, and conducting liquid-liquid separation in a water washing and settling tank to remove amine liquid carried in the liquefied gas; 2) mixing the liquefied gas with hydrogen, and transferring an obtained mixture to a sulfur transfer reactor, wherein in the reactor, hydrogen partial pressure is 0.2-2.0MPa, reaction temperature is 100-280 DEG C, a liquid hourly space velocity is 1-20h<-1>, a hydrogen-to-oil ratio is 2-300v/v, and sulfide in the liquefied gas is converted into high-boiling point sulfide under the function of a sulfur transfer catalyst; and 3) after reaction, transferring the liquefied gas to a stabilizing unit, and conducting distillation separation on the liquefied gas and the high-boiling point sulfide to obtain a finished liquefied gas product ultralow in sulfur content ...

Quadruple PCR primer group and kit for detecting chicken coccidiosis

The invention discloses a quadruple PCR primer group and a kit for detecting chicken coccidiosis, and relates to the technical field of chicken coccidiosis biological detection. Compared with the prior art, the detection results of four chicken coccidiosis can be obtained at the same time, the detection and identification time is greatly shortened, a guarantee is provided for timely prevention of spreading of chicken coccidiosis, and the coccidiosis oocyst lysate provided by the invention can be used for rapidly obtaining a DNA template for quadruple PCR detection; the quadruple PCR primer provided by the invention is high in detection specificity, low in detection limit, good in repeatability and reliable in result.

Non-transitory machine readable medium for clock recovery

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Salt of quinolone compound, polymorphs thereof, preparation method therefor, composition, and applications

Disclosed is a salt of a quinoline derivative, polymorphic forms thereof, preparation methods thereof, a composition, and applications. The SPH1772 ditartrate or crystal form A thereof expresses the following excellent properties: high stability, great bioavailability, excellent pharmacokinetic properties, and better in vivo efficacy than SPH1772 free base.

Transformer internal partial discharge determination device and positioning method thereof

The invention discloses a transformer internal partial discharge determination device and a positioning method thereof, and solves the problems that existing transformer partial discharge determination is big in error and low in performance cost; the top of a cylinder sensor mount (4) is provided with 7 ultrasonic sensor plug slots (5) and ultrasonic sensors (6) arranged in an L-shape; a spring (7) is arranged between the bottom of a cylinder groove (3) and the bottom of the cylinder sensor mount (4); an ultrasonic signal leading-out wire (8) of the ultrasonic sensor (6) is electrically connected with an ultrasonic data collector (9) through a through hole (11); the ultrasonic data collector (9) is connected with a computer (10); L-shape array sensors are employed, a wideband focusing algorithm of a total least spuares (TLS) is used for focusing partial discharge ultrasonic broadband signals, and a narrowband direction finding algorithm combining a phase match principle with cloud optimization ...

Method and apparatus for built-in self-test of CDR and non-CDR components with an on substrate test signal generator

An apparatus comprises one or more non-clock and data recovery (CDR) components on a substrate, a signal generator on the substrate and coupled to at least one of the one or more non-CDR components, and a CDR component on the substrate and coupled to the one or more non-CDR components, wherein the CDR component is configured to recover clock data from a received signal by the CDR component, and configured to determine a signal based on the received signal and the clock data.

Apparatus and Method for Formation Dielectric Constant and Resistivity Measurements

An apparatus for measuring formation resistivity and dielectric constant used with a logging tool includes a tool pad coupled to the logging tool, a pair of receivers deployed on the tool pad including a first receiver and a second receiver, a measuring transmitter deployed on the tool pad and at an axial distance from the pair of receivers, and a compensating transmitter deployed on the tool pad and positioned substantially at the midpoint of the pair of receivers. The compensating transmitter transmits compensating signals to the pair of receivers and the measuring transmitter transmits measuring signals to the pair of receivers. The pair of receivers measures the amplitudes and phases of the compensating signals and the measuring signals in a sequential order and computes a compensated amplitude ratio and a compensated differential phase accordingly. A corresponding method for measuring formation resistivity and dielectric constant is also provided. 1. An apparatus for measuring formation resistivity and dielectric constant used with a logging tool comprising:a tool pad coupled to the logging tool;a pair of receivers deployed on the tool pad including a first receiver and a second receiver;a measuring transmitter deployed on the tool pad and at an axial distance from the pair of receivers;a compensating transmitter deployed on the tool pad and positioned substantially at the midpoint of the pair of receivers;wherein the compensating transmitter transmits compensating signals to the pair of receivers and the measuring transmitter transmits measuring signals to the pair of receivers; andwherein the pair of receivers measures the amplitudes and phases of the compensating signals and the measuring signals in a sequential order and computes a compensated amplitude ratio and a compensated differential phase accordingly.2. The apparatus according to further comprises a compensation controller coupled to the compensating transmitter and the pair of receivers to determine ...

Desert seedling and tree water-storage planting apparatus

The invention relates to a desert seedling and tree water-storage planting apparatus, which belongs to special equipment capable of saving a great amount of water for one-step ecological economic treatment and greening in desert areas, rocky deserted areas and arid areas. The desert seedling and tree water-storage planting apparatus comprises an outer hard housing, a water storage chamber, a water filling hole, a seedling and tree root and stem loading chamber opening and a water-permeable baffle. The design of the desert seedling and tree water-storage planting apparatus is novel, the structure is unique and the application scope is wide. The problem of water conservation which causes low survival rate during one-step planting, afforestation and greening construction for high-efficiency, ecological, economic and quick treatment of global desert areas, rocky deserted areas and arid areas is solved. By adopting the technique provided by the invention, within a growth period (3-8 months), ...

Automatic oil cup sealing device

The utility model discloses an automatic sealing device for an oil cup. The automatic sealing device comprises a feeding mechanism, a clamping mechanism and a nitrogen blowing mechanism, the feeding mechanism comprises a feeding arm and a feeding control device; the feeding arm is driven by the feeding control device to feed the oil cup to the clamping mechanism for sealing; the clamping mechanismcomprises a clamping part and a clamping part control device; the clamping part control device drives the clamping part to seal the oil cup; the nitrogen blowing mechanism is used for blowing nitrogen into the oil cup to prevent the sample from being oxidized; according to the automatic oil cup sealing device, manual oil cup sealing is changed into automatic oil cup sealing, the labor cost is saved, and the production efficiency is improved.

Electric multifunctional horizontal transfer operating table

The invention provides an electric multifunctional horizontal transfer operating table through which a postoperative patient can be effectively transferred onto a stretcher. The electric multifunctional horizontal transfer operating table comprises a main table body arranged in a used place and used for supporting, a supporting bracket arranged on the main table body, and a lying structure used for the patient during an operation to lie and arranged on the supporting bracket, wherein the lying structure comprises a moving mechanism for performing horizontal movement, a power mechanism used for controlling the moving mechanism to horizontally move, a lying mechanism used for the patient to lie, and a lifting mechanism used for lifting one side of the lying mechanism. The electric multifunctional horizontal transfer operating table is reasonable in structure, can enable the patient to slowly creep down to the stretcher, and prevents sutured wounds from being misplaced or deviated; meanwhile ...

Apparatus and method for clock recovery based on non-non return to zero (non-NRZ) data signals

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

APPARATUS AND METHOD FOR CLOCK RECOVERY

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Experimental method of effects of DNA oxidative damage and bone cell apoptosis on avascular necrosis

The invention discloses an experimental method of effects of DNA oxidative damage and bone cell apoptosis on avascular necrosis, the method comprises the following steps: experimental grouping and establishment of an animal model, preparation of specimens, histomorphology observation under a light microscope, observation by a transmission electron microscope, bone cell apoptosis situation detection by TUNEL (terminal dexynucleotidyl transferase(TdT)-mediated dUTP nick end labeling) method, bone marrow hematopoietic cell DNA oxidative damage detection by monoclonal antibody N45.1 immunohistochemistry method, and statistical analysis. According to the method, experiment animals are respectively killed in the second week and the fourth week after the last time of administration, and five animals are killed for each time in each group; bilateral femoral heads are taken for conventional fixed decalcification for stand-by testing, the number of vacant bone lacunas is counted by HE (hematoxylin-eosin ...

Rotating guiding well drilling system

The invention provides a rotating guiding well drilling system. The system comprises a drill collar, a drill bit drive shaft, a mud pipe, a mud pipe connector, a cardan joint, a mud sealing device, a drill bit and a directional control module connected with the inner wall of the drill collar. The drill bit drive shaft is mechanically coupled into the drill collar through the cardan joint and the directional control module, and the drill bit drive shaft can rotate around the cardan joint. The directional control module is of an electromagnetic guiding structure, and carries out directional control on the drill bit drive shaft through magnetic force in the electromagnetic guiding structure. The positioning control is carried out on the drill bit drive shaft through the magnetic force of the directional control module provided with the electromagnetic guiding structure, the control mode is reliable, and the system is simple in structure and easy to achieve.

Apparatus and Method for At-Bit Resistivity Measurements By A Toroidal Transmitter

An apparatus for making formation resistivity measurements near a drill bit includes a tool body, a toroidal antenna deployed on the tool body near the drill bit, a coupler coupled to the toroidal antenna, a transmitter circuit coupled with the toroidal antenna via the coupler to provide voltage signals to energize the toroidal antenna, a receiver circuit coupled with the toroidal antenna via the coupler to couple electrical current signals flowing in the toroidal antenna to the receiver circuit, and a controller and processor module coupled to the transmitter circuit and the receiver circuit to control the measurement operation and calculate formation resistivity. Formation resistivity is computed based on the voltage signals to energize the toroidal antenna and the measured electrical current signals flowing in the toroidal antenna. A corresponding method for making formation resistivity measurements near a drill bit is also provided.

Auxiliary tool for sleeving rigid elbow

The utility model belongs to the technical field of building construction auxiliary equipment, and particularly relates to an auxiliary tool for sleeving a rigid elbow. The device comprises a base anda gland capable of being horizontally clamped above the base, and the upper surface of the base is provided with a clamping groove combination capable of being matched with different elbows; whereinthe clamping groove combination comprises a U-shaped elbow clamping groove, a V-shaped elbow clamping groove, a right-angle elbow clamping groove and a straight pipe clamping groove; the straight pipeclamping groove extends along a straight line to penetrate through the upper surface of the base, the U-shaped elbow clamping groove and the V-shaped elbow clamping groove are located on one side ofthe straight pipe clamping groove, and the right-angle elbow clamping groove is located on the other side of the straight pipe clamping groove. Notches of the U-shaped elbow clamping groove, the V-shaped elbow ...

Method for obtaining uniaxial compressive strength of different grades of sanded dolomite based on in-situ test

The invention discloses a method for acquiring the uniaxial compressive strength of different grades of sanded dolomite based on in-situ testing. The method comprises the following steps: dividing the sanding grades of the sanded dolomite into two grades: a first-type sanding grade and a second-type sanding grade; testing the first type of sandy-grade dolomite by adopting a first in-situ testing method to obtain a first in-situ testing result; according to the first in-situ test result, determining the uniaxial compressive strength of the first-class sandy-grade dolomite rock mass; and/or a second in-situ testing method is adopted for testing the second type of sanding-grade dolomite, and a second in-situ testing result is obtained; and according to the second in-situ test result, determining the uniaxial compressive strength of the second-type sandy-grade dolomite rock mass. Compared with a traditional indoor test method, the method has the advantages that the disturbance influence on ...

Method for obtaining stratum boundary distance through azimuth resistivity logging instrument while drilling

The invention provides a method for obtaining stratum boundary distance through an azimuth resistivity logging instrument while drilling. The method comprises the steps that an original value of the resistivity of a current surrounding rock stratum is adjusted according to propagation resistivity obtained by calculation on the basis of previously received signals of Rz; an original value of the resistivity of a stratum where the logging instrument is located is adjusted according to propagation resistivity calculated on the basis of currently received signals of Rz; a corresponding response value of Rx and a corresponding response value of Rz are calculated through a complex mirror image forward model when the distances between the logging instrument and stratum boundaries are different; whether the calculated response value of Rx and the calculated response value of Rz are matched with an actually measured response value of Rx and an actually measured value of Rz or not is judged; if yes ...

Power distribution area multi-fusion terminal edge cooperation system and method

The invention discloses a power distribution area multi-fusion terminal edge collaboration system and method. The system comprises an Internet of Things management platform, a remote wireless communication network, fusion terminals and a local communication network. The power distribution area comprises a plurality of fusion terminals, the fusion terminals communicate with the Internet of Things management platform through a remote wireless communication network, and the fusion terminals communicate with one another through a local communication network. By establishing an edge collaboration mechanism among multiple fusion terminals in a power distribution area, sharing of computing, storage, communication and other resources among the fusion terminals is realized, and the problem that collaboration and resource sharing among the fusion terminals cannot be realized due to the fact that each fusion terminal performs information interaction with an internet-of-things management platform independently ...

Automatic identification method and device for logging instrument

The invention provides an automatic identification method and device for a logging instrument, and the device comprises an RFID radio frequency electronic tag disposed on the logging instrument, a transmitting antenna and a receiving antenna which are disposed at the entrance and exit of a containing room for containing the logging instrument, and a read-write amplifier disposed in the containing room, and the transmitting and receiving antenna identifies the RFID radio frequency electronic tag in a wireless radio frequency and induction mode, and sends the identified information to the read-write amplifier. In the embodiment of the invention, the wireless radio frequency and induction technologies are utilized to set the electronic tag for the logging instrument, so that the problem that the logging instrument is blocked by mud and cannot be visually identified is solved, the wireless radio frequency is utilized to supply energy, the electronic tag can be used under a passive condition ...

Low-voltage microcomputer protection and monitoring device operation board relay intelligent calibration method

The invention relates to a low-voltage microcomputer protection and monitoring device operation board relay intelligent calibration method which comprises the steps that (1) a relay to be calibrated on an operation board is connected into a corresponding calibrating circuit; (2) direct current signals or direct voltage signals are input into a relay through the calibrating circuit, the operate value and/or the returned value of the relay are/is detected; and (3) the direct current signals or the direct voltage signals are subjected to progressive increasing according to set step length, and the step (2) is repeatedly carried out until the fact that the relay is operated is detected through the operate value or the returned value. All relays on the operation board of a typical relay protection product can be calibrated systematacially and accurately, the method can be widely used in production and debugging of a relay protection device, and testing accuracy and safety can be obviously improved ...

Bituminous distributor is put and is joined in marriage seat

The utility model relates to a bituminous distributor is put and is joined in marriage seat, comprises a sea, serve on the pedestal and be equipped with the lug, it has universal joint to articulate on the lug, universal joint's upper end hinges has the short column, install fixing bolt first and fixing bolt second on the short column, second mutually perpendicular of fixing bolt first and fixing bolt, first upper end that still is located the fixing bolt second of the ten heavenly stems of fixing bolt, the left side of lug and the rear side of lug all are equipped with the regulating plate, be equipped with the index hole on the regulating plate. The utility model discloses can realize the pedestal around with turn right or left's function, have the regulating plate of index hole and mutually perpendicular's fixing bolt first and second rotation and the fixed function that helps realizing the different position of pedestal of fixing bolt through the setting, through setting up first upper ...

Motion information acquisition method and device, electronic equipment and storage medium

The invention relates to a motion information acquisition method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a target image block corresponding to a current image block in a to-be-coded video frame from target video frames of the to-be-coded video frame; the target video frame of the to-be-coded video frame is obtained by down-sampling the to-be-coded video frame; obtaining adjustment information for the target image block; performing motion prediction processing based on the target image block and the adjustment information to obtain candidate motion information of the current image block; and according to the candidate motion information of the current image block, updating the initial candidate motion information set of the current image block to obtain a target candidate motion information set of the current image block. By adopting the method, the candidate motion information set of each image block in the video frame ...

Preparation method of fluorine-containing polymer modified aluminum powder

The invention discloses a preparation method of fluorine-containing polymer modified aluminum powder, the surface-modified fluorine-containing polymer aluminum powder is of a core-shell structure, and a coating layer of the surface-modified fluorine-containing polymer aluminum powder is composed of a fluorine-containing polymer and a coupling agent. The method comprises the following steps: (1) dissolving a fluorine-containing polymer: dispersing the fluorine-containing polymer in an organic solvent, and stirring and heating to completely dissolve the fluorine-containing polymer; (2) aluminum powder dispersion and surface modification: adding aluminum powder into the solution in the step (1), adding a coupling agent, stirring and heating to finish aluminum powder surface activation; (3) modification of the fluorine-containing polymer on the surface of the aluminum powder: adding a bifunctional isocyanate curing agent and a curing catalyst into the solution in the step (2), stirring, heating ...

Frequency detector, and clock and data recovery circuit including the frequency detector

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Storage device of logging instrument

The invention relates to a storage device of a logging instrument. The problems that the labor intensity is high, the working efficiency is low and the requirements of high-workload production tasks cannot be met due to a complete manual maintenance mode by adopting a pull-out type instrument rack in the prior art are mainly solved. The device is characterized in that an instrument rack (1) is arranged on one side or two sides of the sliding rail (6); a transport vehicle (4) is mounted on the sliding rails (6), and a lifting frame (5) is mounted on the transport vehicle (4); and the end of the sliding rail is vertically connected with a rolling transmission belt (7). According to the storage device of the logging instrument, the labor intensity is greatly reduced, the working efficiency is high, and efficient and safe storage operation of the logging instrument can be achieved.

Short-term power load and carbon emission prediction method and system based on DCNN-LSTM-AE-AM

The invention discloses a short-term power load and carbon emission prediction method and system based on DCNN-LSTM-AE-AM, and the method comprises the following steps: collecting urban power load data, and carrying out the preprocessing of the data; a short-term power load prediction model based on a self-attention mechanism and DCNN-LSTM-AE is constructed; training the model and predicting the short-term power load of the urban users; and constructing a stepped carbon emission prediction model, and outputting carbon emissions corresponding to the power loads in different intervals based on a short-term power load prediction result. According to the method, the time view is expanded by adopting the cavity convolution, the characteristics of the oscillation data are extracted more fully, and the problem of long-term oscillation of part of data is solved; and an LSTM encoder structure is added to further extract spatio-temporal feature information, and an attention mechanism is adopted to ...

Clock and data recovery circuit

A clock and data recovery (CDR) circuit employing zero-crossing linearizing (ZCL) technique. The circuit including a voltage controlled oscillator (VCO), an inject-locked divider (ILD), a variable delay unit, a linearized loop, a bang-bang loop, and a loop filter (LP). The differential clock generated by VCO passes through ILD for frequency dividing and variable delay unit to generate 8-phase clocks. Then using these clocks, the PDs over-sample the input data, followed by synchronization and logic operation to control the CPs output current pulses. These currents filtered by LP control the VCO to finish the loop. The circuit recovers 4 channel data and corresponding clocks of the input with low power broken-down and preferable jitter performance and locking property.

APPARATUS AND METHOD FOR CLOCK RECOVERY BASED ON NON-NON RETURN TO ZERO (NON-NRZ) DATA SIGNALS

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal. 1. A method comprising:generating a recovered clock signal based on a non-NRZ data signal, a frequency of the recovered clock signal being within a threshold range associated with a frequency of the non-NRZ data signal or a division of the frequency of the non-NRZ data signal.2. The method of claim 1 , further comprising receiving the non-NRZ data signal and different clock signals claim 1 , the different clock signals comprising a first clock signal claim 1 , a second clock signal claim 1 , and a third clock signal.3. The method of claim 2 , wherein the second clock signal has a first delay of 180 degrees with respect to the first clock signal.4. The method of claim 3 , wherein the third clock signal has a second delay with respect to the second clock signal claim 3 , and wherein the second delay is between zero degree and 180 degrees.5. The method of claim 4 , further comprising generating a plurality of sampled signals by sampling the non-NRZ data signal according to the different clock signals claim 4 , the generating comprises:generating a first sampled data signal by sampling the non-NRZ data signal according to the first clock signal;generating a second sampled data signal by sampling the non-NRZ data signal according to the second clock signal; andgenerating a third sampled data signal by sampling the non-NRZ data signal according to the third clock signal.6. The method of claim 5 , further comprising providing a first synchronized signal claim 5 , a second synchronized signal claim 5 , and a third synchronized signal based on the first ...

Method for measuring formation resistivity at drill place

The invention discloses a method for measuring formation resistivity at a drill place. The method comprises that a tool housing is placed into a borehole; a transmitter transmits an electromagnetic signal to the stratum; a transmission signal coupler is utilized to measure the amplitude and the phase of an electrical signal generated on antenna of the transmitter; a receiver is utilized to measure the amplitude and the phase of the electromagnetic signal from the transmitter; according to the amplitude and the phase of the electrical signal measured by the transmission signal coupler and the amplitude and the phase of the electromagnetic signal measured by the receiver, the amplitude attenuation and the phase difference are calculated; and according to the amplitude attenuation and the phase difference, the formation resistivity at the drill place is calculated. The method solves a problem of a conventional transmission resistivity logging tool of measurement lag due to the difference between ...

Continuous dynamic intelligent metering mechanism

A scattered solid material intelligent metering device belongs to the automation detection metering technology field, which can be applied widely to industries using a belt transporter for example coal, metallurgy, power generation, characterized in that the device is composed of a funnel (1), downspoutings (2, 3), punchings (4, 5), weighing sensors (6, 7) and an intelligent measuring and control instrument (14). The funnel (1) and the punching (4, 5) form weighing frame structure; the weighing sensor (6, 7) and the intelligent measuring and control instrument (14) form the measuring system; the invention not only has high precision, wide measuring range, reasonable structure, strong overload capacity but also does not change original on site devices. The invention is applied to continuously dynamic scattered solid material metering for example the coal, the dock, the electricity power plant, which replaces traditional electronic belt weigh meter and nuclear scale. The metering device can ...

Preparation method of SiC nanowire modified CF/PI composite material

The invention discloses a preparation method of a SiC nanowire modified CF/PI composite material. The method comprises the following steps: dipping carbon fibers through a Czochralski technology, preparing a SiC nanowire through a silicon powder evaporation technology, and preparing the carbon fiber reinforced polyimide (CF/PI) composite material through a compression molding technology. The method has the advantages of simplicity, easy operation and low cost. The SiC nanowire modified CF/PI composite material has the advantages of good corrosion and heat resistance, and substantially improved mechanical strength, and has very important practical application in the fields of heat-resistant aerospace materials and structure support materials.

Medicine for removing toxic substances and promoting tissue regeneration and preparation method thereof

A medicine for removing toxic substances and promoting tissue regeneration combines powder for removing toxic substances and promoting tissue regeneration and ointment for removing toxic substances and promoting tissue regeneration. The powder for removing toxic substances and promoting tissue regeneration is made from the following raw materials by weight proportions: elephant skin, pearl, borneol, cinnabar, dragon's blood, calcined dragon's bone, gypsum and licorice; and the ointment for removing toxic substances and promoting tissue regeneration is made from the following raw materials by weight proportions: dragon's blood, carbonized human hair, pangolin, dahurian angelica root, rehmannia root, Japanese ampelopsis, elephant skin, red peony root, raw gardenia, rheum officinale baill, frankincense, realgar, angelica, red halloysite, musk, figwirt root, peach branches, apricot branches, willow branch and starch. The powder and the ointment are used in combination, and the raw materials ...

Antimagnetic wear resistant jacket for LWD tool

The invention relates to a nonmagnetic abrasion-resistant sleeve for a logging while drilling tool of a protective drill string petroleum drilling downhole instrument, which consists of a nonmagnetic abrasion-resistant sleeve body, abrasion-resistant sleeve external trapezoidal grooves, trapezoidal grooves on both ends, and trapezoidal diamond strips, wherein nine uniformly distributed abrasion-resistant sleeve external trapezoidal grooves are arranged on the outer edge of the nonmagnetic abrasion-resistant sleeve body; nine trapezoidal grooves are uniformly cut on a convex part of a carcass of the abrasion-resistant sleeve by the line cutting technology; the cut nonmagnetic trapezoidal strips are cut into short knots with the length of 20 millimeters; the short knots of the nonmagnetic trapezoidal diamond strips are placed into the trapezoidal grooves of the carcass of the abrasion-resistant sleeve by means of crossing; after all the trapezoidal grooves are filled with the short knots, ...

Salt of Quinolone Compound, Polymorphs thereof, Preparation Method therefor, Composition, and Applications

Disclosed is a salt of a quinoline derivative, polymorphic forms thereof, preparation methods thereof, a composition, and applications. The SPH1772 ditartrate or crystal form A thereof expresses the following excellent properties: high stability, great bioavailability, excellent pharmacokinetic properties, and better in vivo efficacy than SPH1772 free base. 2. The quinoline compound SPH1772 ditartrate according to claim 1 , wherein the tartaric acid is L-tartaric acid.3. A crystal form A of the quinoline compound SPH1772 ditartrate according to claim 1 , having an X-ray powder diffraction pattern represented by diffraction angle 2θ comprising characteristic peaks at 7.5±0.2° claim 1 , 9.2±0.2° claim 1 , 14.5±0.2° claim 1 , 16.6±0.2° claim 1 , 20.3±0.2° and 28.8±0.2°; the target used in the X-ray powder diffraction is Cu target.4. The crystal form A of the quinoline compound SPH1772 ditartrate according to claim 3 , wherein the melting point of the crystal form A of SPH1772 ditartrate is 202° C. claim 3 , and/or claim 3 , the DSC of the crystal form A of SPH1772 ditartrate has a main endothermic peak at 199.4° C.5. A preparation method for the crystal form A of the quinoline compound SPH1772 ditartrate according to claim 3 , comprising that in an organic solvent claim 3 , the compound SPH1772 reacts with tartaric acid; wherein the organic solvent is an alcoholic solvent claim 3 , ester solvent claim 3 , DCM:MeOH=6:1 to 9:1 v/v claim 3 , ether solvent or ketone solvent.6. The preparation method according to claim 5 , wherein the alcoholic solvent is methanol;and/or, the ester solvent is ethyl acetate;and/or, the ether solvent is tetrahydrofuran;and/or, the ketone solvent is acetone;and/or, the volume/mass ratio of the organic solvent to the SPH1772 is 40 mL/g to 80 mL/g;and/or, the molar ratio of SPH1772 to the tartaric acid is 1:2.0 to 1:2.2;and/or, the reaction temperature is 40 to 60° C.;and/or, the reaction time is 24 h to 72 h;and/or, the preparation method for ...

Hybrid-mode laser drive circuit and optical emitting system

The present disclosure provides a hybrid-mode laser drive circuit and an optical emitting system. An equalizer circuit is configured to generate, according to a data signal and a clock signal, an equalization signal for compensating a hybrid-mode laser drive circuit; the hybrid-mode laser drive circuit is connected to an output end of the equalizer circuit, and is configured to generate a corresponding drive signal according to an output signal of the equalizer circuit, so as to drive a light emitting diode to generate a corresponding optical signal; a third current source is connected between a power supply voltage and an output end of the hybrid-mode laser drive circuit; an anode of the light emitting diode is connected to the output end of the hybrid-mode laser drive circuit and a cathode of the light emitting diode is connected to a power supply ground.

Medicine for removing toxic substances and promoting tissue regeneration and preparation method thereof

A medicine for removing toxic substances and promoting tissue regeneration combines powder for removing toxic substances and promoting tissue regeneration and ointment for removing toxic substances and promoting tissue regeneration. The powder for removing toxic substances and promoting tissue regeneration is made from the following raw materials by weight proportions: elephant skin, pearl, borneol, cinnabar, dragon's blood, calcined dragon's bone, gypsum and licorice; and the ointment for removing toxic substances and promoting tissue regeneration is made from the following raw materials by weight proportions: dragon's blood, carbonized human hair, pangolin, dahurian angelica root, rehmannia root, Japanese ampelopsis, elephant skin, red peony root, raw gardenia, rheum officinale baill, frankincense, realgar, angelica, red halloysite, musk, figwirt root, peach branches, apricot branches, willow branch and starch. The powder and the ointment are used in combination, and the raw materials ...

Resistivity imaging measuring device for logging instrument

The invention relates to the technical field of geological exploration, in particular to a resistivity imaging measuring device for a logging instrument. The resistivity imaging measuring device for the logging instrument comprises a combined coil structure and an imaging module, wherein the combined coil structure comprises an emitting coil, an orthorhombic receiving coil and a parallel receiving coil; the imaging module is used for calculating first component voltage response of the parallel receiving coil and second component voltage response of the orthorhombic receiving coil according to the collected total voltage response, combining the first component voltage response and the second component voltage response and using a combined result as an input of formation resistivity imaging; and a detection direction is used as a first coordinate, an azimuth angle under a fixed position in the detection direction is used as second coordinate, and the two-dimensional imaging of the formation ...

Tooth-brush with integrated brush and brushing tooth gargle

The toothbrush with integrated brush and tooth brushing gargle consists of mainly brush, brush bed, hollow handle, regulating switch, guide holes, tooth brushing gargle liquid, bristle holes, gargle injecting hole and antiskid spots. It is formed through one step process. The present invention makes tooth brushing convenient and water saving.

HYBRID-MODE LASER DRIVE CIRCUIT AND OPTICAL EMITTING SYSTEM

The present disclosure provides a hybrid-mode laser drive circuit and an optical emitting system. An equalizer circuit is configured to generate, according to a data signal and a clock signal, an equalization signal for compensating a hybrid-mode laser drive circuit; the hybrid-mode laser drive circuit is connected to an output end of the equalizer circuit, and is configured to generate a corresponding drive signal according to an output signal of the equalizer circuit, so as to drive a light emitting diode to generate a corresponding optical signal; a third current source is connected between a power supply voltage and an output end of the hybrid-mode laser drive circuit; an anode of the light emitting diode is connected to the output end of the hybrid-mode laser drive circuit and a cathode of the light emitting diode is connected to a power supply ground.

Method and device for determining placement position of automatic teller machine and storage medium

The invention discloses a method and a device for determining the placement position of an automatic teller machine, and a storage medium. Relates to the technical field of artificial intelligence, and the method comprises the steps: inputting a target image into a target prediction model, and outputting an initial prediction map, the target image being an image of an environment in which an ATM is to be placed, and the initial prediction map at least comprising: fixation point region information of a first class of objects predicted by the target prediction model; the target image is calculated through a vanishing point detection algorithm, a priori image of the target image is determined, and the priori image at least comprises the position of a vanishing point; the initial prediction map and the prior map are subjected to weighted fusion, a target prediction map is obtained, and the to-be-placed position of the automatic teller machine in the environment is marked in the target prediction ...

Method for identifying sympathetic inrush current and fault current in transformer protection

The invention discloses a method for identifying sympathetic inrush current and fault current in transformer protection, and solves a difficult problem in accurate identification of the fault current and the sympathetic inrush current of a transformer. When any one of A phase difference current, B phase difference current and C phase difference current is not lower than a difference current setting value delta I of the transformer, a difference delta S between the high-voltage-side secondary current area Sy(high voltage side) of the transformer and the medium-voltage-side secondary current area Sy(medium voltage side) of the transformer is calculated; when the area difference delta S between the high-voltage-side secondary current area Sy(high voltage side) and the medium-voltage-side secondary current area Sy(medium voltage side) is greater than a current area difference setting value of the difference between the high-voltage-side secondary current area and the medium-voltage-side secondary ...

Coccidian vaccine immunopotentiation suspending agent and preparation method thereof

The invention discloses a coccidian vaccine immunopotentiation suspending agent which comprises the following raw materials in parts by mass: 0.05-3 parts of Carbomer934P, 0.15-4 parts of hydroxypropyl methyl cellulose, 1-55 parts of astragalus polysaccharide, 0.5-30 parts of chitosan, and 0.9-35 parts of poloxamer. A preparation method of the coccidian vaccine immunopotentiation suspending agent comprises the following steps: respectively taking Carbomer, 4 parts of hydroxypropyl methyl cellulose, astragalus polysaccharide, chitosan and poloxamer in parts by mass, stirring and uniformly mixing at normal temperature, and storing at normal temperature. A using method of the coccidian vaccine immunopotentiation suspending agent comprises the following steps: at first, feeding 1 part of the coccidian vaccine immunopotentiation suspending agent into 25 parts of clear water, stirring for 5-10 minutes, diluting into a suspending solution, then adding each part of live coccidian vaccine into 6 ...

NONLINEAR RECEIVER, ASYMMETRIC DECISION FEEDBACK EQUALIZATION CIRCUIT AND METHOD

The present disclosure provides a non-linear receiver, an asymmetric decision feedback equalization circuit and method, including: converting an optical signal emitted by a laser device into an electrical signal; obtaining a compensation amplitude of a current data in the electrical signal by obtaining an actual amplitude of the current data, and compensating the current data based on a logic value of k prior data of the current data and a feedback coefficient corresponding to the prior data; comparing the compensation amplitude of the current data with a decision threshold to determine the logic value of the current data; the feedback coefficient is an absolute value of an influence amount of the prior data on an amplitude of the current data, and k is a positive integer. The present disclosure can overcome the bit error problem of the receiver and reduce jitter of the clock recovered by the clock recovery circuit.

25Gbps data clock restoring circuit based on edge linearization technique

The invention belongs to the technical field of communications, and particularly relates to a 25Gbps data clock restoring circuit based on the edge linearization technique. The circuit comprises a charge pump, a voltage-controlled oscillator, a loop filter, an injection locking frequency divider and a phase discriminator adopting edge linearization. A 12.5GHz differential clock is generated by the voltage-controlled oscillator, and an eight-phase 6.25GHz clock is generated through frequency division of the injection locking frequency divider and delay of an adjustable delay unit; the phase discriminator carries out oversampling on data through the eight-phase clock and controls the charge pump to generate a pulse current through synchronization and logical operation; after being filtered by the loop filter, the pulse current controls the control end of the voltage-controlled oscillator. By means of the 25Gbps data clock restoring circuit, four 6.25Gbps data and corresponding clocks can ...

一种固定床加氢用的骨架金属催化剂及其制备方法

The skeletal metal catalyst for hydrogenation in fixed bed is prepared with the alloy powder of Al and one or several of Ni, Co, Cu and Fe as main material, jelly prepared with pseudothin diasphore and other inorganic matter as adhesive and sesbania powder, carboxymethyl cellulose or other natural or synthetic organic matter as pore template agent, and through direct kneading, formation, roasting and activation with caustic soda solution. The catalyst may be used in hydrogenating saturation of aldehyde, ketone, nitrile and other unsaturated compound in fixed bed, and has excellent activity, selectivity and stability.

Novel side protective fence

The invention relates to a novel side protective fence. The novel side protective fence comprises an upper protective beam, a lower protective beam and a plurality of connecting rods, wherein the upper protective beam is parallel to the lower protective beam, the upper end and the lower end of each connecting rod are fixed to the upper protective beam and the lower protective beam through rivets respectively in a hinged mode. When the upper end of a locking rod is fixed into a circular hole I, the upper protective beam and the lower protective beam are spread, a fixed side protective fence assembly can be formed, the collision preventing strength is guaranteed, and the side protection function is achieved. After the locking rod is dismounted from the circular hole I, the lower protective beam can be driven to swing through the connecting rods and finally swing to the position where the lower plane of the upper protective beam makes contact with the upper plane of the lower protective beam ...

Polyimide/fluorinated graphene composite film and preparation method thereof

The invention provides a polyimide/fluorinated graphene composite film and a preparation method thereof. The preparation process comprises the steps of obtaining sol containing fluorinated graphene by a solution blending process by taking a polyimide precursor polyamide acid (PAA) as a matrix and single-layer fluorinated graphene as a reinforcement; performing film casting, standing and defoaming; finally performing a step heating process for thermal imidization to obtain the polyimide/fluorinated graphene composite film. The composite film prepared by the method has the advantages of good optical property, good mechanical property and low dielectric constant.

Tyrosinase related protein-1 gene of alpaca and encoding amino acid sequence thereof

The invention relates to the biology gene engineering field, in particular to a tyrosinase related protein-1 gene of alpaca and an encoding amino acid sequence thereof, solving the problem that researches on alpaca color genes and color formation mechanism do not exist currently. The invention is characterized by amplifying TYRP1 partial fragments from the total RNA of alpaca skin tissues by RT-PCR technology, amplifying cDNA5' and 3' terminals by RACE technology, obtaining sequences of the two terminals after a series of nested PCR amplification, clone and screening of products, finally splicing the results of 3' and 5' RACE to obtain the full-length alpaca TYRP1 gene cDNA sequence shown in the sequence table. The tyrosinase related protein-1 (TYRP1) gene sequence obtained by the invention and data of the protein structure can be used for studying the significance of the gene sequence in the downstream pathway of melanogenesis, provides foundational basis for clarifying the formation mechanism ...

Transformer area line loss analysis system and analysis method thereof, electronic equipment and storage medium

The invention discloses a transformer area line loss analysis system and method, and the system comprises a transformer area data collection module which is used for collecting transformer area operation data, transformer area basic data and transformer area loss data from a transformer area data system, and constructing a transformer area database; the transformer area anomaly analysis module is used for judging whether the transformer area is abnormal or not according to the information in the transformer area database, and the transformer area anomaly analysis module comprises an acquisition anomaly analysis module, a topology anomaly analysis module and an operation loss anomaly analysis module; the transformer area equipment evaluation module is used for constructing transformer area basic data indexes, including collecting equipment conditions of the transformer area and dividing the equipment in the transformer area into old equipment and high-loss equipment; and the transformer ...

Apparatus and Method for Formation Resistivity Measurements

An apparatus for measuring formation resistivity in logging while drilling application includes a tool body, a pair of receivers deployed on the tool body including a first receiver and a second receiver, a measuring transmitter deployed on the tool body and at an axial distance from the pair of receivers, and a compensating transmitter deployed on the tool body and positioned substantially at the midpoint of the pair of receivers. The compensating transmitter transmits compensating signals to the pair of receivers and the measuring transmitter transmits measuring signals to the pair of receivers. The pair of receivers measures the amplitudes and phases of the compensating signals and the measuring signals in a sequential order and computes a compensated amplitude ratio and a compensated differential phase accordingly. A corresponding method for measuring formation resistivity is also provided.

Frequency detector for clock recovery

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Real-time electric charge settlement system and method

A real-time electric charge settlement system comprises an intelligent electric meter, an intelligent metering box, a marketing system, a digital wallet, a communication module and a user terminal, and is characterized in that the intelligent metering box is arranged outside the intelligent electric meter, and the electric charge of a power user based on digital RMB is calculated according to data metered by the intelligent electric meter and is sent to the marketing system; the intelligent metering box comprises an electric charge metering module and a digital RMB calculation module. An electricity charge real-time settlement method comprises the steps that an intelligent electric meter sends user electricity consumption data in real time, an intelligent metering box calculates user electricity charge according to a settlement period, electricity price information and a charging rule, set settlement conditions are met, and the intelligent metering box sends user electricity charge information ...

High-frequency polyimide resin and polyimide film

The invention discloses polyimide resin for high frequency and a polyimide film. The polyimide resin is obtained through condensation polymerization of aromatic tetracarboxylic dianhydride and diamine, a repeating unit of the polyimide resin is shown as a formula I, and in the formula I, a group A is a tetravalent residue from the aromatic tetracarboxylic dianhydride; the group B is a divalent residue derived from diamine; the diamine comprises a compound as shown in a formula 1 and/or a formula 2; the molar ratio of the compound shown in the formula 1 and/or the formula 2 in diamine is more than or equal to 50%. Compared with common ether diamine, the polyimide resin provided by the invention has Df advantage and stripping and toughness advantages compared with common rigid phenyl ester diamine monomer by selecting the diamine monomer with ether group and ester group at the same time, and has low Df characteristic while maintaining high stripping and flexibility characteristics, the stripping ...

Short-term electricity consumption prediction method and system

The invention relates to a short-term power consumption prediction method and system, and mainly provides a short-term power consumption prediction method for an enterprise, which has strong adaptability and high accuracy, and is characterized in that binary classification is added on the basis of a traditional long-short term memory artificial neural network to classify the power consumption of the enterprise, and the power consumption is divided into workday power consumption and holiday power consumption; external influence factors such as average stock price, net profit and total revenue are introduced, weight distribution is carried out on an attention layer after model training of a neural network is carried out, and finally a short-term prediction result is output; a more accurate result can be generated on the aspect of a short-time prediction result of the power data, and management and implementation strategy deployment can be better carried out by taking data as a drive and combining ...

Detachable suspended ceiling reverse supporting structure and mounting method thereof

The invention relates to a detachable suspended ceiling reverse supporting structure which is used for connecting and supporting two adjacent hanging rods. Comprising two supporting assemblies and four lock catches, the two lock catches are arranged at the two ends of the supporting assemblies respectively, and the two supporting assemblies are rotationally connected through a rotating piece; the supporting assembly comprises a connecting rod, telescopic sleeves are arranged at the two ends of the connecting rod and connected with telescopic rods, and lock catches are connected with the telescopic rods. A limiting piece is arranged at one connecting rod, a limiting hole is formed in the other connecting rod, and angle positioning of the two supporting assemblies is achieved by inserting the limiting piece into the limiting hole. The reverse supporting structure is high in repeated utilization rate and wide in application range, the stability of the hanging rod can be effectively guaranteed ...

Fault detection method and device, computer equipment and storage medium

The invention relates to a fault detection method and device, computer equipment and a storage medium. The method comprises the steps of obtaining a vibration signal of a to-be-detected transformer according to vibration generated when the to-be-detected transformer works, extracting a plurality of feature values from the vibration signal of the to-be-detected transformer, performing state quantification on the to-be-detected transformer according to the plurality of feature values to obtain a quantification result, and determining the state of the to-be-detected transformer according to the quantification result. And performing fault detection on the to-be-detected transformer according to the quantification result to obtain a detection result. According to the method, state quantification is carried out on the transformer to be detected through the multiple feature values, and fault detection is carried out on the transformer to be detected from the multi-dimensional feature quantities ...

ROTARY STEERABLE DRILLING TOOL WITH A LINEAR MOTOR

A rotary steerable drilling tool with an electromagnetic steering system can include a drill collar, a bit shaft, an orientation control module, a mud tube, a mud tube coupler, a universal joint, a mud sealing device, and a drill bit. The bit shaft can be mechanically coupled to the drill collar through the universal joint and the orientation control module and rotate about the universal joint. The orientation and the inclination angle of the bit shaft against the drill collar can be controlled by the orientation control module with the electromagnetic steering system. The orientation control module can include a guide track mounted on the inside wall of the drill collar, arrays of electromagnets mounted on the guide track, a positioning frame, a permanent magnet mounted on the positioning frame, a coupling tube, and at least two bearing wheels. A corresponding electromagnetic steering method is also provided. 1. An orientation control module comprising:a guide track mounted on the inside wall of a drill collar, said guide track having an upper part and a lower part,a first array of electromagnets mounted to the upper part of the guide track,a second array of electromagnets mounted to the lower part of the guide track, one or more bearing wheels disposed at the end of the positioning frame,', 'an array of permanent magnets coupled to the positioning frame, said permanent magnets positioned to interact operably with said first array of electromagnets and second array of electromagnets., 'a positioning frame positioned between the upper part of the guide track and the lower part of the guide track, said positioning frame further comprising2. A rotary steerable drilling tool with an electromagnetic steering system , comprising:A drill collar,a bit shaft; and, a guide track mounted on the inside wall of a drill collar, said guide track having an upper part and a lower part,', 'a first array of electromagnets mounted to the upper part of the guide track,', 'a second ...

Guiding method for rotating guiding well drilling system

The invention provides a guiding method for a rotating guiding well drilling system. The system adopted in the method comprises a drill collar, a drill bit drive shaft, a mud pipe, a mud pipe connector, a cardan joint, a mud sealing device, a drill bit and a directional control module connected with the inner wall of the drill collar. The drill bit drive shaft is mechanically coupled into the drill collar through the cardan joint and the directional control module, and the drill bit drive shaft can rotate around the cardan joint. The directional control module is of an electromagnetic guiding structure. The method comprises the step that directional control is carried out on the drill bit drive shaft through magnetic force in the electromagnetic guiding structure. The positioning control is carried out on the drill bit drive shaft through the magnetic force of the directional control module provided with the electromagnetic guiding structure, the system is simple in structure, and guiding ...

Method for improving activity of distillate oil hydrogenation catalyst

The invention relates to a method for improving the activity of a distillate oil hydrogenation catalyst, and is especially suitable for activation and regeneration of carbon deposition and poisoning caused deactivated distillate oil hydrogenation catalyst. The catalyst uses VIB oxide and group VIII oxide as active metal, and is an inactivated catalyst subjected to carbon burning treatment or a fresh catalyst; and the catalyst first fully contacts with a solution containing organic acid and alcohol, and then is subjected to hydro-thermal treatment and low temperature calcination treatment. The method for improving activity of distillate oil hydrogenation catalyst gives consideration to the active phase, pore structure and acidity center of the catalyst, can obviously improve activity of the activated catalyst, and has good industrial application prospect.

Nonlinear receiver, asymmetric decision feedback equalization circuit and method

The present disclosure provides a non-linear receiver, an asymmetric decision feedback equalization circuit and method, including: converting an optical signal emitted by a laser device into an electrical signal; obtaining a compensation amplitude of a current data in the electrical signal by obtaining an actual amplitude of the current data, and compensating the current data based on a logic value of k prior data of the current data and a feedback coefficient corresponding to the prior data; comparing the compensation amplitude of the current data with a decision threshold to determine the logic value of the current data; the feedback coefficient is an absolute value of an influence amount of the prior data on an amplitude of the current data, and k is a positive integer. The present disclosure can overcome the bit error problem of the receiver and reduce jitter of the clock recovered by the clock recovery circuit.

Direct recognizing system for intelligent substation transformer differential protection on/off states

The invention discloses a direct recognizing system for intelligent substation transformer differential protection on/off states. The direct recognizing system solves the problem that a transformer is started when a soft pressing plate is forgot to be in an on or off state in an existing intelligent substation. The direct recognizing system comprises a transformer differential protection soft pressing plate state output modular circuit (1), a first logical AND gate circuit (11), a second logical AND gate circuit (12), a logical OR gate circuit (13), a transformer protection liquid crystal display (16) and a transformer protection device overhauling hard pressing plate (10), wherein the output end of the first logical AND gate circuit (11) is connected with the input end of the second logical AND gate circuit (12) and the antilogical input end of the logical OR gate circuit (13), the output end of the second logical AND gate circuit (12) is connected with the transformer protection liquid ...

Image processing method and device, equipment and storage medium

The invention provides an image processing method and device, equipment and a storage medium, and relates to the field of image processing, and the image processing method comprises the steps: obtaining a current to-be-processed image group, and obtaining the length of the current to-be-processed image group; determining a first quantization parameter of a first target frame image in the current to-be-processed image group according to the length of the current to-be-processed image group; and coding the first target frame image according to the first quantization parameter. The video quality of the to-be-processed image group is improved.

METHOD AND APPARATUS FOR BUILT-IN SELF-TEST

An apparatus comprises one or more non-clock and data recovery (CDR) components on a substrate, a signal generator on the substrate and coupled to at least one of the one or more non-CDR components, and a CDR component on the substrate and coupled to the one or more non-CDR components, wherein the CDR component is configured to recover clock data from a received signal by the CDR component, and configured to determine a signal based on the received signal and the clock data. 1. An apparatus comprising:one or more non-clock and data recovery (CDR) components comprising one or more amplifiers on a substrate;a signal generator on the substrate and coupled to at least one of the one or more non-CDR components; and configured to recover clock data from a received signal by the CDR component, and', 'configured to determine a signal based on the received signal and the clock data., 'a CDR component on the substrate and coupled to the one or more non-CDR components, wherein the CDR component is2. (canceled)3. The apparatus of claim 1 , wherein the one or more amplifiers comprise a trans-impedance amplifier or a limiting amplifier.4. The apparatus of claim 1 , wherein the signal generator is configured to provide a test signal for self-testing one or more components selected from a group consisting of the one or more non-CDR components and the CDR component.5. The apparatus of claim 4 , further comprising a signal checker on the substrate and coupled to the CDR component or at least one of the one or more non-CDR components claim 4 , wherein the signal checker is configured to determine a measure upon receipt of the test signal after the test signal passes through the one or more components selected from the group consisting of the one or more non-CDR components and the CDR component.6. The apparatus of claim 5 , wherein the signal generator or the signal checker is configured to couple with an external device configured to monitor the signal generator or the signal checker. ...

System for acquiring distance between azimuthal resistivity logging instrument while drilling and stratigraphic boundary

The invention provides a system for acquiring the distance between an azimuthal resistivity logging instrument while drilling and the stratigraphic boundary. The system comprises a first initial value adjusting module, a second initial value adjusting module, a response value calculating module, a match determining module and a processing module. The first initial value adjusting module is used for adjusting an initial value of the current surrounding rock formation resistivity. The second initial value adjusting module is used for adjusting the initial value of resistivity of the formation where the logging instrument located. The response value calculating module is used for calculating the response values of Rx and Rz corresponding to different distances between the logging instrument and the stratigraphic boundary. The match determining module is used for determining whether or not the calculated response values of the Rx and Rz match with actually-measured response values of the Rx ...

Device and method for detecting low-temperature ductility of asphalt for road engineering

The invention discloses an asphalt low-temperature ductility detection device for road engineering and a detection method, relates to the technical field of asphalt ductility detection, and solves the problems that a ductility mold cannot be automatically disassembled and stretched in the existing asphalt low-temperature ductility detection process, and the operation stability of a structure is easily influenced by the contact of a stretching structure and a water body. The asphalt low-temperature ductility detection device for road engineering comprises a ductility mold mounting mechanism, and a separation adjusting mechanism is mounted on the outer side of the ductility mold mounting mechanism; and the separation adjusting mechanism comprises a horizontal mounting frame, a bevel gear transmission box, a positioning transverse plate, a guide rod, a separation screw rod, a vertical adjusting screw rod, a mounting threaded sleeve, a guide sliding plate, a first transmission motor, a second ...

Mixed type sodium ion battery positive electrode material, preparation method and application

The invention relates to a mixed sodium ion battery positive electrode material, a preparation method and application. The mixed sodium ion battery positive electrode comprises an oxide positive electrode material with the content of 1-x and an NASICON type Mn-based positive electrode material with the content of x, wherein the chemical general formula of the NASICON type Mn-based positive electrode material is NamMnnMp (PO4) j, and x is the input ratio, 0.01 lt, of the NASICON type Mn-based positive electrode material; xlt; 0.95%, 0.95%; m in the chemical general formula is an element of a transition metal position of the Mn-based NASICON type positive electrode material and comprises one or more of Al < 3 + >, Zr < 4 + >, Cr < 3 + >, V < 3 + > and Ti < 4 + >; 3lt; mlt; mlt; 4.5, 0.1 lt; nlt; 2, 0lt; plt; 1.9, 2lt; jlt; and 3.5. The NASICON type positive electrode material has high ionic conductivity, long cycle life and good interface compatibility, and after the NASICON type positive ...

Specific resistance imaging measurement method for logger

The invention relates to the technical field of geological prospecting, in particular to a specific resistance imaging measurement method for a logger. The method includes the steps that a joint coil structure is arranged, the joint coil structure is rotated by a circle, and total voltage responses at different azimuth angels in a circle are collected; the total voltage responses collected in the one-circle rotation are averaged, and the average value serves as a first component voltage response; the first component voltage response is subtracted from the total voltage responses and the result serves as a second component voltage response of an orthogonal receiving coil; the first component voltage response and the second component voltage response are combined, and the combined result serves as input of stratum specific resistance imaging; the detection direction serves as a first coordinate, the azimuth angle under the fixing position in the detection direction serves as a second coordinate ...

Liquefied gas and FCC (fluid catalytic cracking) gasoline combined desulfurization process

The invention relates to a liquefied gas and FCC (fluid catalytic cracking) gasoline combined desulfurization process which comprises the following steps: (1) mixing sulfur-containing liquefied gas and FCC gasoline, and feeding into a sulfur transfer reactor, wherein light-weight sulfur-containing compounds in the mixture are changed into high-boiling-point sulfide in the presence of a catalyst; (2) feeding the reaction product into a stabilizing tower, thus obtaining a liquefied gas product having a low sulfur content at the tower top and FCC gasoline containing high-boiling-point sulfide at the tower bottom; (3) feeding the FCC gasoline into a fractionating tower, and performing fraction separation, wherein light gasoline having a low sulfur content is generated at the tower top; and (4) mixing heavy gasoline containing high-boiling-point sulfide with hydrogen gas, then feeding into a hydrodesulfurization reactor, and performing desulfurization to obtain low-sulfur heavy gasoline. The ...

Apparatus and Method for At-Bit Resistivity Measurements

An apparatus for making resistivity measurements near a drill bit includes a tool body, a transmitter deployed on the tool body, a receiver deployed on the tool body and at an axial distance from the transmitter, and a transmitting signal coupler coupled to the transmitter antenna and the receiver. The transmitter generates electrical signals and converts the electrical signals into electromagnetic signals to be transmitted. The receiver measures the amplitudes and phases of the electromagnetic signals received from the transmitter. The transmitting signal coupler couples a portion of the electrical signals from the transmitter antenna and measures the amplitudes and phases of the coupled electrical signals. Amplitude attenuation and phase shift between the electromagnetic signals received at the receiver and the electrical signals coupled at the transmitting signal coupler are computed for calculating resistivity.

Apparatus and Method for Multi-Mode and Multi-Depth Resistivity Measurements

An apparatus for measuring formation resistivity includes a tool body and multiple transceivers deployed on the tool body. Each transceiver includes a switch to control the transceiver to switch between a transmitter mode and a receiver mode. At least one transceiver acting in the transmitter mode transmits compensating signals. At least one transceiver acting in the transmitter mode transmits measuring signals. At least a pair of transceivers acting in the receiver mode which are positioned on two sides of the transceiver transmitting compensating signals and substantially symmetrical with respect to it receives the compensating signals and the measuring signals. The pair of transceivers acting in the receiver mode measures the amplitudes and phases of the compensating signals and the measuring signals in a sequential order and computes a compensated amplitude ratio and a compensated differential phase accordingly. A corresponding method for measuring formation resistivity is also provided. 1. An apparatus for measuring formation resistivity in logging while drilling application comprising:a tool body;multiple transceivers deployed on the tool body;wherein each transceiver further comprising a switch to control the transceiver to switch between a transmitter mode and a receiver mode;wherein at least one transceiver acting in the transmitter mode to transmit compensating signals, at least one transceiver acting in the transmitter mode to transmit measuring signals, and at least a pair of transceivers acting in the receiver mode, positioned on two sides of the transceiver transmitting compensating signals, and substantially symmetrical with respect to it, to receive the compensating signals and the measuring signals; andwherein the pair of transceivers acting in the receiver mode measure the amplitudes and phases of the compensating signals and the measuring signals in a sequential order and computes a compensated amplitude ratio and a compensated differential phase ...

Process system for decarbonizing by using photovoltaic assisted coal combustion set

The invention provides a process system for decarbonizing by using a photovoltaic assisted coal combustion set. The coal combustion set comprises a coal combustion boiler, a steam turbine set, a power generator, a steam condenser, a condensed water pump, an axial seal heater, a water feeding pump steam turbine, each grade of low-pressure heater, a deaerator, a water feeding pump, each grade of high-pressure heater, and a carbon capturing system, which are connected by pipelines, wherein heat energy is provided for the carbon capturing system by heating by a photovoltaic system and/or steam pumped out by the steam turbine set; the photovoltaic system is used for pumping condensed water from the pipeline between the condensed water pump and the axial seal heater and heating the condensed water; the steam pumped out from the steam turbine set is respectively pumped from a middle-pressure cylinder, a low-pressure cylinder, and the pipeline between the steam condenser and the condensed water ...

Doubly-fed fan control system, method and device, storage medium and computer equipment

The invention discloses a double-fed fan control system, method and device, a storage medium and computer equipment, and relates to the technical field of wind power generation. The system is used for controlling a doubly-fed fan comprising a doubly-fed generator and a back-to-back converter, and comprises a voltage-supporting resistance circuit, the input end of which is connected with the stator end of the doubly-fed generator, and the output end of which is connected to a grid connection point corresponding to the doubly-fed generator; the first end of the direct-current supporting and pressing circuit is connected with the first end of the direct-current side capacitor, and the second end of the direct-current supporting and pressing circuit is connected with the second end of the direct-current side capacitor; and the system controller is electrically connected with the control end of the supporting and pressing resistance circuit and the control end of the direct current supporting ...

FREQUENCY DETECTOR FOR CLOCK RECOVERY

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Quantization method and device in video coding, electronic equipment and storage medium

The invention relates to a quantization method and device in video coding, electronic equipment and a storage medium, and relates to the technical field of video coding. The method and the device are used for reducing the calculation amount of the RDOQ, improving the coding efficiency and avoiding the waste of calculation resources. The method comprises the following steps: acquiring an initial transformation unit of a video to be coded, and performing transformation processing on the initial transformation unit to obtain a target transformation unit; the initial transformation unit comprises a plurality of initial transformation coefficients; the target transformation unit comprises a plurality of target transformation coefficients; the redundancy of the frequency domain information reflected by the plurality of target transformation coefficients is smaller than the redundancy of the frequency domain information reflected by the plurality of initial transformation coefficients; and determining ...

FREQUENCY DETECTOR, AND CLOCK AND DATA RECOVERY CIRCUIT INCLUDING THE FREQUENCY DETECTOR

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Substation primary equipment inspection system and method, terminal and storage medium

The invention discloses a substation primary equipment inspection system and method, a terminal and a storage medium, the substation primary equipment inspection system comprises a track and an inspection robot, the inspection robot comprises a storage box, the bottom of the storage box is provided with a walking mechanism, the walking mechanism enables the storage box to move on the surface of the track, and the side wall of the storage box is symmetrically and fixedly connected with supporting frames; a movable pipeline is installed on the surface of the supporting frame, a ground wire is arranged in an inner cavity of the movable pipeline, a protective shell is fixedly connected to the inner wall of the supporting frame, a control system is arranged in the protective shell, a leakage current sensor is installed on the surface of the protective shell, and a thermal imaging sensor, a temperature sensor and a camera are installed on the surface of the supporting frame. The control system ...

Clock and data recovery circuit

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

APPARATUS AND METHOD FOR DEEP RESISTIVITY MEASUREMENT USING COMMUNICATION SIGNALS NEAR DRILL BIT

An apparatus for utilizing a pre-existing telemetry transmitter near a drill bit for transmitting or receiving signals to make measurements of surrounding formation resistivity includes a drill collar, at least two toroidal receiving antennas deployed on the drill collar and spaced at an axial distance from each other for receiving or transmitting signals from or to the telemetry transmitter, at least two receiver modules coupled to the toroidal receiving antennas for processing signals received or to be transmitted from or to the telemetry transmitter and adjusting frequency the receiver modules work at, and a converting module coupled to the receiver modules. The converting module includes a microprocessor for calculating the surrounding formation resistivity and controlling the frequency tuners in the receiver modules. A corresponding method for utilizing a multiple dimensional conversion chart to convert data of measured flow-out current through the formation into data of formation resistivity is also provided. 1. An apparatus for utilizing a pre-existing telemetry transmitter mounted on a drilling string and positioned below a mud motor and near a drill bit for transmitting or receiving signals to make measurements of surrounding resistivity conditions comprising:a drill collar;at least two toroidal receiving antennas deployed on the drill collar and spaced at an axial distance from each other for receiving or transmitting the signals from or to the telemetry transmitter; wherein the signals include difference between electrical signals measured at the two toroidal receiving antennas;at least two receiver modules coupled to the toroidal receiving antennas; wherein the receiver modules include electrical modules for processing the signals received or to be transmitted from or to the telemetry transmitter and frequency tuners to adjust frequency the receiver modules work at;a converting module coupled to the receiver modules; andwherein the converting module ...

PULSE GENERATION MODULE, AND OPTICAL COMMUNICATION TRANSMITTER SYSTEM AND NON-LINEAR EQUALIZING METHOD THEREOF

The present disclosure provides a pulse generation module, and an optical communication transmitter system and a non-linear equalizing method thereof, the pulse generation module includes: a mode detector that outputs a corresponding effective detection signal after detecting a preset mode, a controller that generates a corresponding selection signal according to a jump mode, and an equalizing pulse generator that generates a corresponding equalizing pulse signal according to the effective detection signal and the selection signal. A jump mode of each piece of data in a data stream is detected, and a corresponding equalizing pulse signal is generated based on the detected jump mode, to compensate for nonlinearity of a laser driving signal. Information about a rising edge and a falling edge is determined by detecting a jump mode of data, a balanced current is provided for a particular purpose, and nonlinearity of a laser is compensated by current output.

Apparatus and method for clock recovery

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal.

Dry sand, stone, beach and slope water accumulation and rainwater collection transplanting tube

The invention discloses a dry sand, stone, beach and slope water accumulation and rainwater collection transplanting tube and belongs to equipment for dry stone differentiation beach and slope fast one-step ecological and economic type renovation and sealed greening in the dry area, desert area and rocky desertification area. The tube comprises a tube bottom and a tube cover which are connected to a rope fastener. The transplanting tube is novel in design, unique in structure and wide in application, and the problems of water retention of the domestic and international dry sand and stone differentiation beach and slope fast one-step ecological and economic type renovation and sealed greening operation are solved; the survival rate of seedlings transplanted by the transplanting tube can be larger than 96% in one growth period (4 to 10 months); the transplanting tube has the advantages of low investment, easiness for operation and high efficiency, practicality and popularization.

High-saturation-magnetization-intensity Fe-B-P-C-Cu-M series amorphous nanocrystal soft magnetic alloy and preparation method

The invention provides a high-saturation-magnetization-intensity Fe-B-P-C-Cu-M series amorphous nanocrystal soft magnetic alloy and a preparation method. The high-saturation-magnetization-intensity Fe-B-P-C-Cu-M series amorphous nanocrystal soft magnetic alloy is provided with a general formula shown below of FexByPzCaCubMc, in the formula, the x, y, z, a, b and c represent the atomic percentage of all the corresponding ingredients of Fe, B, P, C, Cu and M correspondingly, and the following conditions are met that the x is larger than or equal to 80 and less than or equal to 85, the y is larger than or equal to 4 and less than or equal to 10, the z is larger than or equal to 2 and less than or equal to 10, the a is larger than or equal to 3.5 and less than or equal to 7.5, the b is largerthan or equal to 0.7 and less than or equal to 1.5, the c is larger than or equal to 0 and less than or equal to 2, wherein x + y + z + a + b + c = 100, and the M is one or more of Nb, Zr, V, Hf, Mo and ...

Continuous dynamic intelligent metering mechanism

A scattered solid material intelligent metering device belongs to the automation detection metering technology field, which can be applied widely to industries using a belt transporter for example coal, metallurgy, power generation, characterized in that the device is composed of a funnel 1, downspoutings 2, 3, punchings 4, 5, weighing sensors 6, 7 and an intelligent measuring and control instrument 14. The funnel 1 and the punching 4, 5 form weighing frame structure; the weighing sensor 6, 7 and the intelligent measuring and control instrument 14 form the measuring system; the invention not only has high precision, wide measuring range, reasonable structure, strong overload capacity but also does not change original on site devices. The invention is applied to continuously dynamic scattered solid material metering for example the coal, the dock, the electricity power plant, which replaces traditional electronic belt weigh meter and nuclear scale. The metering device can be used even under ...

Disassembling tool for disassembling water guide shoe nut

The invention discloses a dismounting tool for dismounting a water guide shoe nut, and belongs to the technical field of dismounting tools, the dismounting tool comprises a wrench assembly comprising a wrench head and a wrench handle rotatably connected with the wrench head; the movable assembly comprises a contact piece and a plug connector, the contact piece is slidably and elastically installed on the inner side of the wrench head, the plug connector is arranged in the wrench head and is in transmission connection with the contact piece, the contact piece is used for abutting against the nut and driving the plug connector to be clamped, and when the contact piece tends to loosen, the plug connector is in transmission connection with the nut. The connector clip drives the contact piece to abut against the nut. The contact piece automatically adapts to nuts of different sizes, when an operator rotates the disassembling tool to drive the nuts to rotate, the nuts react on the contact piece ...

CLOCK AND DATA RECOVERY CIRCUIT

An apparatus comprises a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; and a control circuit coupled to the plurality of sampling circuits, wherein the control circuit is configured to provide one or more control signals indicating whether to decrease or increase a frequency of a clock signal associated with the non-NRZ data signal based on the non-NRZ data signal. 1. An apparatus comprising:a plurality of sampling circuits configured to receive a non-Non Return to Zero (non-NRZ) data signal; anda signal generator coupled to the plurality of sampling circuits, wherein the signal generator is configured to generate a recovered clock signal based on the non-NRZ data signal, a frequency of the recovered clock signal being within a threshold range associated with a frequency of the non-NRZ data signal or a division of the frequency of the non-NRZ data signal.2. The apparatus of claim 1 , wherein the plurality of sampling circuits is further configured to receive different clock signals claim 1 , and wherein the different clock signals comprise a first clock signal claim 1 , a second clock signal claim 1 , and a third clock signal.3. The apparatus of claim 2 , wherein the second clock signal has a first delay of 180 degrees with respect to the first clock signal.4. The apparatus of claim 3 , wherein the third clock signal has a second delay with respect to the second clock signal claim 3 , the second delay being between zero degree and 180 degrees.5. The apparatus of claim 2 , further comprising a first delay buffer coupled to at least one of the plurality of sampling circuits claim 2 , and wherein the first delay buffer is configured to provide the second clock signal by delaying the first clock signal by 180 degrees.6. The apparatus of claim 5 , further comprising a second delay buffer coupled to the first delay buffer claim 5 , and wherein the second delay buffer is configured to provide the third clock signal by ...

Universal meter measuring gear warning system

The invention discloses a universal meter measuring gear warning system and solves the problem that measuring gears are liable to be used falsely due to the absence of prompts in a universal meter usage process. The universal meter measuring gear warning system is characterized in that a red meter pen capacitive touch induction microswitch (3) is arranged on a pen body of a red meter pen (1); a universal meter (14) is provided with a direct-current power supply (12), a flashing prompting light emitting diode (9), a voice prompting device (10), a warning circuit switch (11) and a red meter pen touch induction connection jack (7); one end of the red meter pen capacitive touch induction microswitch (3) is electrically connected with an A end of a red meter pen touch induction connection plug (5), and the other end of is electrically connected with a B end of the red meter pen touch induction connection plug (5); and the red meter pen capacitive touch induction microswitch (3) is electrically ...

Device of measuring formation resistivity of drill

The invention discloses a device of measuring formation resistivity of a drill. The device comprises a tool housing; an emitter disposed on the tool housing and used for generating electric signals and converting the electric signals into electromagnetic signals to be emitted to a formation; a receiver arranged on the tool housing, positioned at an axial place of the emitter and used for measuring amplitude and phase of the electromagnetic signals from the emitter; and an emission signal coupler coupled to the emitter and used for coupling part of electric signals of an antenna of the emitter and measuring amplitude and phase of the coupled electric signals. An amplitude and phase difference between the electromagnetic signals received by the receiver and the electric signals coupled by the emission signal coupler is utilized to calculate resistivity. The device of the invention helps to solve problems of measurement lag caused by a distance between a drill and a conventional propagation ...

Inside partial discharge survey device of transformer

The utility model discloses an inside partial discharge survey device of transformer has solved current transformer partial discharge survey and has had the problem that the error is big and the price / performance ratio is low. It connects slot (5) and ultrasonic sensor (6) to be provided with seven ultrasonic sensor that L shape arranged on the top surface of cylindrical sensor mount pad (4), be provided with between the lower bottom surface of the bottom surface of circular recess (3) and cylindrical sensor mount pad (4) pressure spring (7), the supersound signal lead -out wire (8) of ultrasonic sensor (6) is connected with supersound data collection station (9) is electric through through -hole (11), is connected with computer (10) on supersound data collection station (9), adopt based on L type sensor array, the wide band focus algorithm that utilizes overall least spuares (TLS) is played a game and is put supersound broadband signal and focus on, adopts the azimuth information in ...

Method for realizing partition processing, computer storage medium and terminal

The invention discloses a method for realizing partition processing, a computer storage medium and a terminal, and the method comprises the following steps: when more than one main partition of a disk is created, data of a first sector of the disk is written into a preset first backup sector after being subjected to first symmetric encryption, and the first backup sector is one of the 1st to 2047th sectors of the disk; when the ith logic node of the disk is created, logic node information of the ith logic node is subjected to second symmetric encryption and then written into a preset second backup sector corresponding to the ith logic node, the second backup sector is from the (Ni + 1) th sector to the (Mi) th sector of the disk, and the Ni th sector is the sector where the ith logic node is located; the Mi-th sector is the initial sector of the i-th logic partition. According to the embodiment of the invention, by symmetrically encrypting the data of the first sector and the logic node ...

Apparatus and Method for At-Bit Resistivity Measurements By A Toroidal Transmitter

An apparatus for making formation resistivity measurements near a drill bit includes a tool body, a toroidal antenna deployed on the tool body near the drill bit, a coupler coupled to the toroidal antenna, a transmitter circuit coupled with the toroidal antenna via the coupler to provide voltage signals to energize the toroidal antenna, a receiver circuit coupled with the toroidal antenna via the coupler to couple electrical current signals flowing in the toroidal antenna to the receiver circuit, and a controller and processor module coupled to the transmitter circuit and the receiver circuit to control the measurement operation and calculate formation resistivity. Formation resistivity is computed based on the voltage signals to energize the toroidal antenna and the measured electrical current signals flowing in the toroidal antenna. A corresponding method for making formation resistivity measurements near a drill bit is also provided. 1. An apparatus for making formation resistivity measurements near a drill bit comprising:a tool body;a toroidal antenna deployed on the tool body near the drill bit;a transmitter circuit configured to provide voltage signals to energize the toroidal antenna;a receiver circuit configured to measure electrical current signals flowing in the toroidal antenna;a coupler coupled the transmitter circuit and the receiver circuit to the toroidal antenna to relay signals between the transmitter circuit and the receiver circuit and the toroidal antenna; and wherein formation resistivity is computed based on the voltage signals and the measured electrical current signals.2. The apparatus according to wherein the voltage signals are oscillating signals.3. The apparatus according to wherein the voltage signals are constant signals.4. The apparatus according to further comprising a controller and processor module coupled to the receiver circuit and the transmitter circuit to control the measurement operation and calculate formation resistivity.5. ...

Apparatus and Method for At-Bit Resistivity Measurements

An apparatus for making resistivity measurements near a drill bit includes a tool body, a transmitter deployed on the tool body, a receiver deployed on the tool body and at an axial distance from the transmitter, and a transmitting signal coupler coupled to the transmitter antenna and the receiver. The transmitter generates electrical signals and converts the electrical signals into electromagnetic signals to be transmitted. The receiver measures the amplitudes and phases of the electromagnetic signals received from the transmitter. The transmitting signal coupler couples a portion of the electrical signals from the transmitter antenna and measures the amplitudes and phases of the coupled electrical signals. Amplitude attenuation and phase shift between the electromagnetic signals received at the receiver and the electrical signals coupled at the transmitting signal coupler are computed for calculating resistivity. 1. An apparatus for making resistivity measurements near a drill bit comprising:a tool body;a transmitter deployed on the tool body; wherein the transmitter generating electrical signals and converting the electrical signals into electromagnetic signals to be transmitted into a formation;a receiver deployed on the tool body and at an axial distance from the transmitter; wherein the receiver measuring the amplitudes and phases of the electromagnetic signals sourced from the transmitter;a transmitting signal coupler coupled to the transmitter; wherein the transmitting signal coupler coupling a portion of the electrical signals from the transmitter antenna and measuring the amplitudes and phases of the coupled electrical signals; andwherein an amplitude attenuation and a phase shift between the electromagnetic signals received at the receiver and the electrical signals coupled at the transmitting signal coupler are computed for calculating resistivity.2. The apparatus according to wherein each of the transmitter and the receiver comprise at least one antenna ...

CLOCK AND DATA RECOVERY CIRCUIT

A clock and data recovery (CDR) circuit employing zero-crossing linearizing (ZCL) technique. The circuit including a voltage controlled oscillator (VCO), an inject-locked divider (ILD), a variable delay unit, a linearized loop, a bang-bang loop, and a loop filter (LP). The differential clock generated by VCO passes through ILD for frequency dividing and variable delay unit to generate 8-phase clocks. Then using these clocks, the PDs over-sample the input data, followed by synchronization and logic operation to control the CPs output current pulses. These currents filtered by LP control the VCO to finish the loop. The circuit recovers 4 channel data and corresponding clocks of the input with low power broken-down and preferable jitter performance and locking property. 2. The CDR circuit of claim 1 , wherein claim 1 , said slicers of said PD employ two-stage structure claim 1 , to accomplish integrating amplifying and regenerative amplifying separately.3. The CDR circuit of claim 2 , wherein claim 2 , in said bang-bang loop claim 2 , the sampling output signal of slicers is synchronized claim 2 , and sent to enter the phase detection logic to drive following bang-bang CPs.4. The CDR circuit of claim 2 , wherein claim 2 ,in said linearized loop, the output of the slicer linear stage passes through a buffer with variable gain and several dynamic latches, fulfill delaying and amplifying;said linearized CP merges the slicers' digital output of the message presenting the early/late of input data and the amplified analog output of the information presenting the amplitude of the sampling time, generating current with variable amplitude and hence, reduces ripple on the voltage control line of VCO.5. The CDR circuit of claim 4 , wherein claim 4 , the time that the linear analog output of the slicers' integral stage passing through delay and amplifier unit reaches the linearized CP claim 4 , is same as the time that the sampling signal of bang-bang slicers passing through ...

METHOD AND APPARATUS FOR GENERATING VIDEO DESCRIPTION INFORMATION, AND METHOD AND APPARATUS FOR VIDEO PROCESSING

The embodiments of the disclosure provide a video description information generation method, a video processing method, and video description information generation apparatus, and a video processing apparatus. The video description information generation method includes: obtaining a frame-level video feature sequence corresponding to a video; generating a global part-of-speech sequence feature of the video according to the video feature sequence, the global part-of-speech sequence feature being a feature of a sequence of a combination of parts of speech in the video; and generating natural language description information of the video according to the global part-of-speech sequence feature and the video feature sequence. 1. A video description information generation method , performed by an electronic device , the method comprising:obtaining a video feature sequence on a frame level corresponding to a video;generating a global part-of-speech sequence feature of the video according to the video feature sequence, the global part-of-speech sequence feature being a feature of a sequence of a combination of parts of speech in the video; andgenerating natural language description information of the video according to the global part-of-speech sequence feature and the video feature sequence.2. The generation method according to claim 1 , wherein the video feature sequence includes time series information.3. The generation method according to claim 1 , wherein the generating the global part-of-speech sequence feature comprises:determining a fused feature of the video according to the video feature sequence; andgenerating the global part-of-speech sequence feature of the video based on the fused feature of the video by using a first neural network.4. The generation method according to claim 3 , wherein the determining the fused feature comprises:determining weights corresponding to moments of the first neural network, the weights being weights of frame features in the video ...

Salt of quinolone compound, polymorphs thereof, preparation method therefor, composition, and applications

Disclosed is a salt of a quinolone compound, polymorphs thereof, a preparation method therefor, a composition, and applications. The SPH1772 bitartrate or polymorph A thereof expresses the following excellent properties: high stability, great bioavailability, excellent pharmacokinetic properties, and better in vivo efficacy than SPH1772 free base.

Automatic toll collection architecture and method combining short-range and long-range communication schemes

An automatic toll collection architecture and method combining short-range and long-range communication schemes comprising a vehicle communication unit, a lane communication unit, a law-enforcement unit and a billing unit; said law-enforcement unit obtaining a first time and a first photo of a license plate of said vehicle; said lane communication unit recording a first coordinate and a second time of a vehicle communication unit as a first data, using said vehicle communication unit to transmit said first data to said billing unit; said law-enforcement unit obtaining a third time and a second photo of said license plate of said vehicle; said lane communication unit recording a second coordinate and a fourth time of said vehicle communication unit as a second data, using said vehicle communication unit to transmit said second data to said billing unit; said billing unit obtaining a fee and finishing a charging transaction.

Automatic billing structure and method for vehicles integrating short-range and long-range communication

Method and apparatus for generating video description information, and method and apparatus for video processing

The embodiments of the disclosure provide a video description information generation method, a video processing method, and video description information generation apparatus, and a video processing apparatus. The video description information generation method includes: obtaining a frame-level video feature sequence corresponding to a video; generating a global part-of-speech sequence feature of the video according to the video feature sequence, the global part-of-speech sequence feature being a feature of a sequence of a combination of parts of speech in the video; and generating natural language description information of the video according to the global part-of-speech sequence feature and the video feature sequence.

Pulse generation module, and optical communication transmitter system and non-linear equalizing method thereof

The present disclosure provides a pulse generation module, and an optical communication transmitter system and a non-linear equalizing method thereof, the pulse generation module includes: a mode detector that outputs a corresponding effective detection signal after detecting a preset mode, a controller that generates a corresponding selection signal according to a jump mode, and an equalizing pulse generator that generates a corresponding equalizing pulse signal according to the effective detection signal and the selection signal. A jump mode of each piece of data in a data stream is detected, and a corresponding equalizing pulse signal is generated based on the detected jump mode, to compensate for nonlinearity of a laser driving signal. Information about a rising edge and a falling edge is determined by detecting a jump mode of data, a balanced current is provided for a particular purpose, and nonlinearity of a laser is compensated by current output.

旋轉鎖片與門窗鎖掣裝置及橫拉窗結構

門窗防水氣密裝置

本創作係揭露一種門窗防水氣密裝置，其可縮小門窗與門窗框之間隙，以提升氣密性，藉此增強防堵風雨滲漏及噪音等效果；所述門窗防水氣密裝置包含：一驅動件，係設置於一門窗之邊側並連接門窗之一開關把手；一連動件，係設置於門窗之邊側及轉角處並連接驅動件，各連動件係包含有複數個定位部；以及複數個定位件，係以間隔配置方式設置於一門窗框之內側，當驅動件受開關把手控制時，驅動件可驅使連動件之各定位部位移以分別對應連接或脫離各定位件。

Insulation energy-saving aluminum door/window frame

舊框換新窗用之鋁擠型料結構

Structure for bar-b-kettle grill

一种液晶基板玻璃自动破碎装置

本实用新型公开了一种液晶基板玻璃自动破碎装置，包括料仓，料仓上端安装有水平位置调节结构，水平位置调节结构上安装有破碎组件。本实用新型能够实现自动破碎玻璃，代替了传统的人工捣碎玻璃的方式，省时省力，破碎效果好，在本实用新型中，破碎组件中的升降螺纹柱在驱动电机、主动齿轮、从动齿轮的配合下能够进行升降运动，从而升降螺纹柱能够驱动破碎锤对料仓内的玻璃进行破碎，水平位置调节结构能够改变破碎组件在料仓中的水平纵向位置和水平横向位置，从而可以达到全方位破碎玻璃的目的，保证了玻璃破碎的效果。

包覆窗框結構

本創作揭露一種包覆窗框結構，係一種先行設置複數個封邊條於舊窗框上以易於安裝新窗框的包覆窗框結構，本創作包覆窗框結構係包括有一舊窗框，以及一套設於舊窗框上的新窗框，其主要特徵在於：舊窗框與新窗框之間係設置有複數個封邊條，以填補舊窗框與新窗框之間的間隙；藉此，本創作先行於舊窗框的上、左與右側各安裝用以固定之封邊條之硬體設計，再於封邊條上以螺絲等結合件結合舊窗框與新窗框，有效以不拆除舊窗框也不破壞建築物結構之方式，確實達到維護建築物之整體外觀結構之完整性、方便安裝新窗框，以及高安全性施工等主要優勢者。

落地式門窗無門檻機構

Automatic rotating hanger for surface treatment

Infrared lane communication unit

System using short-distance wireless communication and wireless detector for identity identification and verification

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