型材（Q-12）

清洁刷

Environmental restoration agent for degrading chlorinated hydrocarbon as well as preparation method and application of environmental restoration agent

The invention belongs to the technical field of environmental remediation, and discloses an environmental remediation agent for degrading chlorinated hydrocarbon as well as a preparation method and application of the environmental remediation agent. The environmental restoration agent for degrading the chlorinated hydrocarbon comprises nano zero-valent iron, organochlorine respiratory bacteria and carbon sequestration autotrophic bacteria, the organic chlorine respiratory bacteria comprise dehalococcoides, and the organic chlorine respiratory bacteria comprise dehalococcoides; the carbon sequestration autotrophic bacteria comprise syntrophomonas sp. And/or Desulfovibrio sp., and the carbon sequestration autotrophic bacteria comprise syntrophomonas sp. And/or Desulfovibrio sp. The environment restoration agent has self-sustaining, sustainable and stable long-term reductive dechlorination capability, and shows a good chlorinated hydrocarbon pollutant degradation effect.

Method for preparing modified polyacrylic acid binder and application

The invention provides a method for preparing a modified polyacrylic acid binder and application of the modified polyacrylic acid binder. The method comprises the following steps: firstly, obtaining a substituted acrylonitrile monomer free radical; secondly, stirring the obtained substituted acrylonitrile monomer free radicals, polyacrylic acid and a first initiator to obtain a first mixed solution, carrying out primary reaction, then adding acrylonitrile and 1, 3-butadiene, mixing, adding a second initiator to obtain a second mixed solution, and carrying out secondary reaction to obtain a precursor material; and mixing the precursor material with styrene, adding a third initiator to obtain a third mixed solution, and carrying out a third reaction to obtain the modified polyacrylic acid binder. The modified polyacrylic acid binder provided by the invention has strong binding capacity with a positive electrode current collector and a positive electrode active material, and is suitable for ...

POWER SUPPLY MANAGING METHOD, AND PROJECTION DEVICE AND COMPUTER STORAGE MEDIUM

A power supply managing method, a projection device and a computer storage medium, which are applied to the projection device. The method comprises: detecting a projection status of the projection device; and adjusting an input voltage of a wireless communication module of the projection device according to the projection status.

Multi-dimensional training method and device for intelligent customer service knowledge base

The invention relates to the technical field of control systems, in particular to an intelligent customer service knowledge base multi-dimensional training method and device, and the device comprises a control terminal which is a main control terminal of a system and is used for transmitting an execution command; the construction module is used for constructing a database to store data contents for intelligent customer service training; the calling module is used for calling the data content for intelligent customer service training stored in the database constructed in the construction module; according to the intelligent customer service training data content storage method and system, storage conditions of the intelligent customer service training data content are provided in a database construction mode, and the database is further deployed in the cloud, so that the storable amount of data stored in the database is effectively increased; in addition, when the intelligent customer service ...

手提包

型材（Q-31）

ULTRASONIC SENSOR AND MANUFACTURING METHOD THEREFOR, AND DISPLAY DEVICE

Disclosed are an ultrasonic sensor and a manufacturing method therefor, and a display device. The ultrasonic sensor comprises: a substrate (10) and at least one sensor assembly (20) located on the substrate (10), wherein the sensor assembly (20) comprises: a first electrode (21), a second electrode (23), and a piezoelectric layer (22) located between the first electrode (21) and the second electrode (23); one side, close to the sensor assembly (20), of the substrate (10) is provided with a groove (11); and there exists an overlapping portion between an orthographic projection of the piezoelectric layer (22) on the substrate (10) and a region of the groove (11) on the substrate (10). By means of providing the groove (11) in a region, located below the piezoelectric layer (22), of the substrate (10), the absorption of the substrate (10) for a mechanical vibration signal generated by the ultrasonic sensor under the excitation of an alternating-current electrical signal can be reduced, and ...

Mixed dispersing agent for positive electrode slurry as well as preparation method and application of mixed dispersing agent

The invention provides a mixed dispersant for positive electrode slurry and a preparation method and application thereof. The mixed dispersing agent comprises a combination of a first dispersing agent and a second dispersing agent; the first dispersing agent is prepared from at least one of styrene-acrylate copolymer, polypropylene pyrrolidone, polyacrylamide, N-vinyl pyrrolidone copolymer or butadiene-acrylonitrile copolymer; the second dispersing agent comprises hydrogenated butyronitrile. The mixed dispersant provided by the invention improves the high-temperature stability of the slurry and reduces the risk that the slurry of a lithium supplementing system blocks a network, thereby solving the problem of too fast temperature rise of a battery cell caused by multiple platforms in the lithium supplementing system, reducing the phenomenon of uneven heat distribution in the battery cell, and improving the battery quality. And moreover, the risk that a conventional dispersing agent is easy ...

DETECTION AND PROTECTION CIRCUIT OF ACTIVE DEVICE, AND POWER SUPPLY CIRCUIT AND METHOD

A detection and protection circuit, and a power supply circuit and method. The detection and protection circuit comprises: a comparator (10), a first resistor (20), a second resistor (30), a third resistor (40), a fourth resistor (50), a fifth resistor (60), a sixth resistor (70), and two diodes (80,90). The first resistor (20) is connected in series to the second resistor (30). The second resistor (30) is grounded. A positive input end, a negative input end, a power supply end, a ground end, and an output end of the comparator (10) are respectively connected to the third resistor (40), the fourth resistor (50), a power management device power supply pin, the ground, and a main controller. The other end of the third resistor (40) is connected between the first resistor (20) and the second resistor (30). The other end of the fourth resistor (50) is connected to the first resistor (20). A first power supply is connected between the fourth resistor (50) and the first resistor (20). The fifth ...

Vascular intubation device with positioning function and side holes

The invention discloses a blood vessel intubation device with a positioning function and a side hole, and relates to the technical field of medical instruments. A blood vessel intubation device with a positioning function and side holes comprises a shell, the shell is fixedly connected with a sheath core, the sheath core is provided with a conveying channel, the shell is communicated with the sheath core, the shell is provided with an expansion tube, the diameter of the expansion tube is equal to that of the conveying channel of the sheath core, and the sheath core is provided with through holes distributed at equal intervals. Blood can flow out through the sheath core through the equidistantly distributed through holes, and a blood vessel circulation path is opened up, so that when interventional therapy is carried out, the blood passes through the equidistantly distributed through holes, the blood circulation channels are increased, the blood circulation area is increased, and the situation ...

Heat dissipation mechanism of high-power radio frequency coaxial relay

The utility model discloses a heat radiation mechanism of a high-power radio frequency coaxial relay, comprising an outer cover of a cuboid structure, the top end of the outer cover is connected with a D-type connector, the bottom end of the outer cover is connected with a plurality of N-type radio frequency connectors, and a control circuit board, an electromagnetic system and a radio frequency system are arranged in the outer cover; the side wall and the bottom surface of the cuboid radio frequency cavity of the radio frequency system are in contact with the inner wall of the outer cover for heat conduction, and a plurality of parallel heat conduction groove structures are arranged on the side plate of the outer cover from top to bottom, so that the heat dissipation area is increased, the heat balance temperature of the radio frequency coaxial relay is reduced, and the radio frequency power transmission capability is improved; and the requirement that the minimum radio frequency transmission ...

IMAGE GENERATING METHOD, COMPUTER-READABLE STORAGE MEDIUM, AND ELECTRONIC DEVICE

The present disclosure relates to the technical field of image processing and provides an image generating method, comprising: recognizing a photographed target in an initial image; determining, on the basis of the photographed target, a target range used as a final image in the initial image, so that the photographed target is located at a preset position in the final image; and, outputting the final image in an image format. The present disclosure also provides a computer-readable storage medium and an electronic device.

CONNECTION STRUCTURE FOR THIN FILM ELECTRODE AND HOUSING

The present invention relates to the technical field of electrode devices, and in particular to a connection structure for a thin film electrode and a housing. An electrical connection structure of the present invention comprises at least one thin film electrode unit and a housing; the thin film electrode unit comprises a porous thin film, a first electrode, and a second electrode; the first electrode and the second electrode are attached to both sides of the porous thin film; a part of the porous thin film and a part of the first electrode form a first electrical connection unit; a part of the porous thin film and a part of the second electrode form a second electrical connection unit; at least one mounting groove is provided on the inner wall surface of the housing; the thin film electrode unit is provided in the mounting groove; at least one communication unit communicated with the mounting groove is further provided on the outer wall surface of the housing; the first electrical connection ...

LED-BASED DOUBLE-FACED GRATING THREE-DIMENSIONAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

An LED based double-faced grating three-dimensional display device comprises an LED display screen (01) and a double-faced grating substrate (101) arranged in front of the LED display screen (01). The double-faced grating substrate (101) comprises a front grating (105) and a rear grating (102). The rear grating (102) is close to the surface of the LED display screen (01), so as to keep light emitting central points of LED sub-pixels that form the LED display screen (01) consistent in the horizontal and vertical directions. The front grating (105) is close to an audience and is used for the three-dimensional light splitting. Further disclosed is a manufacturing method of the LED-based double-faced grating three-dimensional display device. The device and the method can implement alignment between LEDs and between LED units of the LED display screen (01), and facilitate the naked-eye 3D display of a large-area and high-brightness LED. Meanwhile, the manufacturing method is simple, and the ...

ROUTING DEVICE, POWER SAVING METHOD AND APPARATUS THEREFOR, AND STORAGE MEDIUM

Disclosed is a power saving method for a routing device. The method comprises: acquiring state parameters thereof; acquiring, when the state parameters satisfy pre-set conditions, a pre-set rule; and controlling, according to the pre-set rule, a power management module in a routing device to power off a radio frequency module in the routing device. Also disclosed are a power saving apparatus for a routing device, a routing device and a storage medium.

TRAFFIC POLICING METHOD AND APPARATUS

Disclosed in the present invention are a traffic policing method and apparatus. The traffic policing method comprises: when a data package is received, if the quantity of remainder tokens in a token bucket is determined to be not less than the maximum package size of a system, then sending the data package to a destination address.

Charging diagnosis method and device, electronic equipment and medium

The invention discloses a charging diagnosis method and device, electronic equipment and a medium, and belongs to the technical field of charging diagnosis. The charging diagnosis method comprises the steps that a target diagnosis rule in multiple diagnosis rules is determined, the target diagnosis rule comprises a charging factor sequence, and each charging factor in the charging factor sequence corresponds to a data source and at least one judgment rule; according to the charging factor sequence, the data source corresponding to each charging factor and at least one judgment rule, determining a sub-result corresponding to each charging factor; and determining a charging diagnosis result according to the sub-result corresponding to each charging factor. The charging diagnosis method has the advantages that the position of the charging factor generating the charging difference can be accurately and quickly positioned, and the positioning difficulty of the charging difference is reduced.

PIXEL STRUCTURE AND METHOD FOR DRIVING SAME, DISPLAY PANEL, AND DISPLAY APPARATUS

A pixel structure (100) and a method for driving same, a display panel, and a display apparatus. The pixel structure (100) comprises: a plurality of scanning lines (S1, S2, S3…); a plurality of data lines (D4n+1, D4n+2, D4n+3, D4n+4…) intersecting with the plurality of scanning lines (S1, S2, S3…); and a plurality of sub-pixels (110) located at corresponding intersections of the plurality of scanning lines (S1, S2, S3…) and the plurality of data lines (D4n+1, D4n+2, D4n+3, D4n+4…) and arranged in rows and columns, wherein the (4n+1)th and (4n+2)th data lines of the plurality of data lines (D4n+1, D4n+2, D4n+3, D4n+4…) are respectively located at two sides of a sub-pixel (110) in a (2n+1)th column; the (4n+3)th and (4n+4)th data lines of the plurality of data lines (D4n+1, D4n+2, D4n+3, D4n+4…) are respectively located at two sides of a sub-pixel (110) in a (2n+2)th column; and the (4n+2)th and (4n+3)th data lines of the plurality of data lines (D4n+1, D4n+2, D4n+3, D4n+4…) are located between ...

GAMABUFOTALIN LIPOSOME, PREPARATION METHOD THEREFOR AND APPLICATIONTHEREOF

The present invention provides a Gamabufotalin liposome, comprising a liposome bilayer and Gamabufotalin. The liposome bilayer comprises phospholipid, phytosterin and poly ethylene glycol (PEG) modifier. The Gamabufotalin liposome can be used to treat cancer, especially the cancer chosen from liver cancer, lung cancer, ovarian cancer, prostate cancer, colon cancer, pancreas cancer, gastric cancer and leukemia. The preparation method of the present invention is simple, and the Gamabufotalin liposome can increase the effect of antitumor, reduce the toxicity compared with Gamabufotalin monomer, and has wide application foreground.

ARRAY SUBSTRATE AND FABRICATION METHOD THEREFOR, AND DISPLAY DEVICE

An array substrate and a fabrication method therefor, and a display device. The array substrate, comprising: a base substrate (100); a first thin film transistor (200) that is located on the base substrate (100) and comprises a first active layer (210); and a second thin film transistor (300) that is located on the base substrate (100) and comprises a second active layer (310), wherein a base material of the first active layer (210) is the same as a base material of the second active layer (310), and the first active layer (210) and the second active layer (310) meet at least one of the following conditions: the carrier mobility of the first active layer (210) is greater than the carrier mobility of the second active layer (310), and the carrier concentration of the first active layer (210) is greater than the carrier concentration of the second active layer (310). The foregoing array substrate may compensate for a difference in threshold voltages due to a difference in channel width to ...

PROJECTOR DEVICE AND METHOD FOR REALIZING PROJECTOR DEVICE WITH NETWORK FUNCTION

Disclosed are a projector device and a method for realizing a projector device with a network function. The projector device comprises: a network communication module, which is connected to a projector central processing unit (CPU) module, and is used for providing a network access function for the projector device, and receiving and sending and processing a network data service under the control of the projector CPU module; the projector CPU module, which is used for controlling the network communication module according to an operation command of a user, and controlling the projector device to project network data which is acquired from the network communication module and downloaded by the user onto a curtain; and a man-machine interaction display screen, which is connected to the projector CPU module, and is used for providing a man-machine interaction interface for the user to perform a network data service operation, displaying the content of the currently performed network data service ...

Schottky diode capable of eliminating nanotube defects and preparation method thereof

The Schottky diode comprises a first silicon-doped N-type layer and a second silicon-doped N-type layer which are arranged from bottom to top, and is characterized by further comprising an AlGaN insertion layer which is arranged between the first silicon-doped N-type layer and the second silicon-doped N-type layer and is used for eliminating the nanotube defects in gallium nitride. According to the Schottky diode provided by the invention, the characteristic that the mobility of aluminum atoms is relatively low is utilized, and a layer of aluminum gallium nitrogen is added in the material growth process, so that the aluminum atoms can be nucleated near the hollow part of the nanotube, the nanotube is prevented from continuously extending upwards, the aim of eliminating the defects of the nanotube is fulfilled, and the leakage current of the Schottky diode is further reduced.

Post-disaster power distribution network dynamic network reconstruction method considering troubleshooting

The invention discloses a post-disaster power distribution network dynamic network reconstruction method considering fault maintenance, a maintenance material distribution method, a fault maintenance plan making method and a power distribution network dynamic network reconstruction method. According to the fault condition of the power distribution network, in combination with the distance between the material warehouse and the fault position, with the goal of minimizing the material transportation time, allocating maintenance materials for each fault; according to the fault maintenance plan making method, in combination with the fault condition in the post-disaster power distribution network, maintenance personnel are dispatched with the purpose of minimizing maintenance time, and a maintenance plan is made. According to the dynamic network reconstruction method of the power distribution network, the power distribution network updates a line switch state in combination with a maintenance ...

Limb restraint device for nursing patient in operating room

The invention relates to the technical field of medical instruments, in particular to an operating room nursing patient limb restraint device which comprises a supporting table, guide frames are fixed to the two sides of the top face of the supporting table, first moving seats and second moving seats are slidably connected into the guide frames, and first supporting plates are fixed to the top faces of the two first moving seats; a second supporting plate slidably connected with the first supporting plate is fixed to the tops of the two second moving seats, two first arc-shaped through holes symmetrically distributed are formed in the top face of the first supporting plate in a penetrating mode, and two second arc-shaped through holes symmetrically distributed are formed in the top face of the second supporting plate in a penetrating mode. According to the limb restraining and fixing device, a patient lies on the first supporting plate and the second supporting plate, the arms are restrained ...

Petroleum pipeline cleaning device

The invention is suitable for the technical field of pipeline cleaning, and provides a petroleum pipeline cleaning device which comprises a bottom plate, a first driving part, a reciprocating cleaning mechanism and a scraping part, the two ends of the bottom plate are rotationally connected with a worm and a rolling shaft correspondingly, and the first driving part is fixedly connected to the upper portion of the bottom plate through a vertical plate; the output end of the first driving piece is connected with a spline sleeve, the spline sleeve is meshed with a main shaft, the main shaft is rotationally connected to the bottom plate, a plurality of long rods are fixedly connected to the main shaft, sliding rods are arranged in the long rods in a sleeved mode, and elastic pieces are fixedly connected between the sliding rods and the long rods; therefore, through the reciprocating cleaning mechanism, the cleaning brush at the front end can move front and back in a small range and rapidly, ...

Micro waveguide millimeter wave ridge waveguide bi-directional coupler with high coupling flatness

The coupler specifically comprises a main ridge waveguide serving as a microwave main transmission channel, auxiliary ridge waveguides serving as signal sampling channels and coupling small holes, and the auxiliary ridge waveguides are arranged on the two sides of the main ridge waveguide in parallel; the structure of the main ridge waveguide is a double-ridge waveguide with upper and lower different ridges; the auxiliary ridge waveguides are single ridge waveguides, and the auxiliary ridge waveguides on the two sides are the same in structure and size. The two sides of the main ridge waveguide are communicated with the auxiliary ridge waveguide through coupling small holes, and the coupling small holes are used for communicating the main and auxiliary waveguides and serve as coupling channels. A microwave signal is input from one end of the main ridge waveguide, most signal energy is transmitted to the other end of the main ridge waveguide, and a small part of signal energy is coupled ...

Plant drought tolerance related gene ZmDnaJ as well as amplification primer, recombinant vector and application thereof

The invention provides a plant drought tolerance related gene ZmDnaJ as well as an amplification primer, a recombinant vector and application thereof, and belongs to the technical field of gene engineering. The invention overcomes the problem of lack of corn drought-resistant genes in the prior art, discovers the ZmDnaJ gene in corn, separates and clones the gene, and overexpresses the ZmDnaJ gene in corn for the first time, thereby proving that the corn ZmDnaJ gene has the function of improving plant drought tolerance, and providing a new thought for cultivating drought-resistant transgenic plants. The method has important guiding significance for drought-resistant breeding and production application of crops, and has a wide application prospect.

Image detection method and device, storage medium and electronic equipment

The invention discloses an image detection method and device, a storage medium and electronic equipment, and the method comprises the steps: recognizing an image region containing a to-be-detected target object from collected to-be-detected image data through a first recognition module of an image detection model, and cutting out the image region containing the to-be-detected target object, according to the invention, the second identification module identifies the image areas containing the different specified parts of the to-be-detected target from the image areas containing the to-be-detected target, so that the image areas containing the different specified parts of the to-be-detected target in the to-be-detected image data can be detected respectively; therefore, the image detection accuracy of the to-be-detected image data can be improved.

Micro-flow porous metal material and preparation method thereof

The invention relates to the technical field of porous metal materials, in particular to a micro-flow porous metal material and a preparation method thereof.The method comprises the steps that S1, a micro-flow channel is placed in a pressing device; s2, a porous metal raw material is added into a pressing device containing a micro-flow channel, and then the porous metal raw material is pressed into a primary product material; s3, sintering the primary product material to obtain a semi-finished product material; s4, the sintered semi-finished product material is put into an impurity removing agent to be soaked; s5, the soaked material is washed; and S6, the micro-flow porous metal material is prepared after wiping. The pressing device comprises a shell, a top plate is slidably connected into the shell, a fixing plate is detachably and fixedly connected into the top plate, a plurality of micro-flow channels are fixedly connected to the fixing plate, a plurality of sliding holes are formed ...

Enterprise water efficiency index management method and system, electronic equipment and readable storage medium

The invention relates to the technical field of production energy conservation, and discloses an enterprise water efficiency index management method and system, electronic equipment and a readable storage medium, and the method comprises the steps: classifying a water supply and drainage system of a target enterprise to obtain a water efficiency index algorithm corresponding to each classification granularity, and building a water efficiency index system; according to the water efficiency index system, the obtained water efficiency related data is calculated to obtain the water efficiency index data, so that the index influence factor is determined based on the comparison result between the water efficiency index data and the water efficiency standard data, the water efficiency solution is obtained through matching from the solution library, calculation and management of the water efficiency index by an enterprise are realized, and the efficiency of the enterprise is improved. Therefore ...

Tubular oil well pump

... 本实用新型涉及种管式抽油泵，该抽油泵包括固定凡尔和用于防止杂物落入所述固定凡尔的防护罩，固定凡尔包括固定凡尔座和与固定凡尔座配合的凡尔球，防护罩的外围设置有沉积腔，固定凡尔座和凡尔球位于防护罩的外侧。本实用新型中的凡尔球和固定凡尔座位于防护罩的外部，在保证沉积腔的储存能力的情况下，凡尔球和固定凡尔座的径向尺寸不受防护罩的限制，可以将固定凡尔座的直径尽可能达到最大，使凡尔球的半径尽可能做到最大，尽可能的提高抽油泵的泵油效率。 ...

Method for detecting content of heteroamino acid in L-valine and application of method

The invention provides a method for detecting the content of heteroamino acid in L-valine and application of the method. A method for detecting the content of heteroamino acid in L-valine by adopting a high performance liquid-phase zwitter-ion chromatographic column method comprises the following steps: 1) respectively preparing glutamic acid, alanine, isoleucine, leucine and phenylalanine standard solutions, and performing sample introduction by a high performance liquid chromatograph to obtain respective concentration-peak area linear regression equations; and 2) preparing a sample to be detected, injecting the sample by the high performance liquid chromatograph, respectively substituting the obtained peak areas into the concentration-peak area linear regression equation, and calculating the contents of glutamic acid, alanine, isoleucine, leucine and phenylalanine in the sample to be detected. According to the method, the time for detecting a single sample is shortened to 30 minutes, ...

Satellite-borne synthetic aperture microwave radiometer sea and land pollution error correction method

The invention discloses a satellite-borne synthetic aperture microwave radiometer sea-land pollution error correction method, which belongs to the technical field of microwave remote sensing, and comprises the following steps: a training stage: obtaining sea-land surface radiation brightness temperature TB, taking the radiation brightness temperature TB as the input of a satellite-borne synthetic aperture radiometer observation model, and calculating to obtain observation brightness temperature TA; the observation brightness temperature TA and the radiation brightness temperature TB are normalized and matched in pairs to serve as a data set of the CNN network, and a label is a sea-land mark on a pixel of each brightness temperature image; taking the observation brightness temperature TA and the radiation brightness temperature TB as input of the CNN network, and training the CNN network until loss convergence; and an application stage: inputting a brightness temperature image observed by ...

CHARGING METHOD AND DEVICE FOR TERMINAL

Disclosed are a charging method and device for a terminal. The method comprises: when a terminal accesses a charging source, determining a charging mode of the terminal based on the current time of the terminal or a user operation; and charging the terminal according to the charging mode. The present invention solves the technical problem in the relevant art that the service life of a battery cannot be prolonged effectively, thereby achieving the effect of prolonging the service life of a battery.

ARYLMETHYLAMINE COMPOUNDS, PREPARATION METHODS AND PHARMACEUTICAL USES THEREOF

The arylmethylamine compounds (I), wherein the definitions of Ar, X, L and R are the same as those in the description, the preparation methods, the pharmaceutical compositions and the uses thereof. The present arylmethylamine compounds can be used for treating a series of diseases caused by the abnormality of potassium channel function, such as arrhythmia, ischemic damages.

Polished round-grained rice crack grain detection device

The invention relates to the technical field of hard rice grain detection, in particular to a polished round-grained rice crack grain detection device which comprises a base, an air pump is fixedly mounted at the top of the base, a pneumatic feeding mechanism is arranged at the output end of the air pump, and an elastic sorting mechanism is arranged at the end of the pneumatic feeding mechanism. A detection driving mechanism is arranged at the other end of the elastic material selecting mechanism; the pneumatic feeding mechanism comprises a detection cylinder fixedly connected to the air flow output end of the air pump, and the top of the detection cylinder is fixedly connected with a feeding pipe. According to the invention, one-by-one pneumatic detection of hard rice samples is realized through the pneumatic feeding mechanism, meanwhile, rice grains are blown by gas to be automatically fed, and the elastic sorting mechanism is driven to deform to different degrees, so that the cracking ...

Method for preparing and converting protoplast of cold-resistant aerobic denitrification bacillus simplex

The invention discloses a method for preparing and converting protoplast of bacillus simplex through cold-resistant aerobic denitrification. The preparation and transformation method comprises the following steps: firstly, preparing a culture solution, then preparing a protoplast suspension, then coating the protoplast suspension on a hypertonic solid culture medium to regenerate the protoplast so as to evaluate the quality of protoplast cells, and finally transforming the protoplast by PEG mediated plasmids. The preparation rate of the obtained protoplast can reach 95.94%, the regeneration rate can reach 16.35%, and the transformation of plasmids pNZTT and pMA5 can reach 5.8 transformants/mu g DNA and 4.6 transformants/mu g DNA respectively. The protoplast preparation and transformation method disclosed by the invention is simple to operate and high in repeatability, does not need specific transformation equipment, and can provide a basis for subsequent gene manipulation and molecular ...

WIRELESS HOTSPOT DEVICE

A wireless hotspot device, comprising a wireless hotspot body and a control module separated from the wireless hotspot body, wherein a first receiving module is arranged in the wireless hotspot body, a modulation transmission module is arranged in the control module, the modulation transmission module is connected to the first receiving module in a wireless manner or in a wired manner, and the first receiving module receives an instruction sent by the modulation transmission module and controls the wireless hotspot body; and the wireless hotspot device adopts a remote control manner to operate the wireless hotspot body, facilitating use of the wireless hotspot device by a user, and improving the user experience.

DISPLAY SUBSTRATE AND DISPLAY APPARATUS

A display apparatus having a display substrate. The display substrate (10) comprises: a plurality of repeating units (100), a plurality of primary signal lines (21) and secondary signal lines (22), each repeating unit (100) comprising a first sub-pixel (R1), a second sub-pixel (B1), and two third sub-pixels (G1, G2); the two third sub-pixels (G1, G2) are located between two adjacent primary signal lines (21), and in each repeating unit (100), the one first sub-pixel (R1) and one second sub-pixel (B1) are arranged in a first direction (X), while the two third sub-pixels (G1, G2) are arranged in a second direction (Y), the first direction (X) and the second direction (Y) being different directions; a secondary signal line (22) is at least one disposed between the two adjacent primary signal lines (21), and the secondary signal line (22) is electrically connected to the two adjacent primary signal lines (21) and passes through a gap between the two third sub-pixels (G1, G2).

Laser self-mixing interference measuring device

The invention belongs to the technical field of laser measurement, and discloses a laser self-mixing interference measuring device which comprises a laser interference measuring instrument, a laser head is fixedly installed on the front face of the laser interference measuring instrument, an interference assembly is arranged on the front face of the laser interference measuring instrument, an installation base is fixedly installed at the bottom end of the laser interference measuring instrument, and a laser light source is arranged on the installation base. And a base is arranged below the mounting seat. According to the invention, the release of the draw bar is realized by using the power of rotation, and the horizontal traction process of the interference assembly is realized by using the horizontally released draw bar, so that the light path calibration process of the interference assembly can be realized by using the flow of cooling liquid after the interference assembly and the clamping ...

PIXEL ARRANGEMENT STRUCTURE, DISPLAY SUBSTRATE, AND DISPLAY DEVICE

A pixel arrangement structure, a display substrate, and a display device. The pixel arrangement structure comprises a plurality of pixel sets (01); each pixel set (01) comprises a first sub-pixel (111), a second sub-pixel (112), a third sub-pixel (113), and a fourth sub-pixel (114); in the pixel set (01), a line connecting the center (C2) of the second sub-pixel (112) and the center (C3) of the third sub-pixel (113) is a first line segment (LS1); the first sub-pixel (111) and the fourth sub-pixel (114) are located between the second sub-pixel (112) and the third sub-pixel (113) and are respectively disposed at two sides of the first line segment (LS1); a line connecting the center (C1) of the first sub-pixel (111) and the center (C4) of the fourth sub-pixel (114) is a second line segment (LS2), and the length of the second line segment (LS2) is shorter than the length of the first line segment (LS1). Therefore, the present pixel arrangement structure may improve resolution and also improve ...

Rehabilitation guidance system and method for thoracic surgery patient

The invention belongs to the technical field of thoracic surgery patient rehabilitation guidance, and discloses a thoracic surgery patient rehabilitation guidance system and method. The thoracic surgery patient rehabilitation guidance system comprises a physiological data acquisition module, a disease information acquisition module, a diagnosis and treatment information acquisition module, a main control module, a rehabilitation plan module, a rehabilitation training module, a rehabilitation evaluation module and a display module. Through the rehabilitation training module, the technical problem that the rehabilitation training effect is low due to insufficient exercise force during rehabilitation training is solved; meanwhile, the rehabilitation evaluation module uses the self-adaptive coefficient of the evaluation parameter in the quantitative evaluation model as the self-adaptive coefficient corresponding to the personal basic data and clinical data of the thoracic surgery patient obtained ...

GALLIUM TRIOXIDE-ADSORBENT COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, AND USE THEREOF

A gallium trioxide-adsorbent composite material, a preparation method therefor, and a use thereof. The composite material comprises a zeolite adsorbent and gallium dioxide (Ga2O3) nanoparticles supported on the zeolite adsorbent. The method for preparing the composite material comprises providing a suspension containing a gallium precursor, a carrier, and an organic solvent capable of dissolving the gallium precursor, the organic solvent being miscible with water; adding an aqueous alkaline solution to the suspension to generate Ga(OH)3 in situ on the carrier, and separating and calcinating the support loaded with Ga(OH)3 thereon, to give the composite material. The composite material can be used to purify air, for example, in an air purifier.

PIXEL CIRCUIT, DISPLAY PANEL AND DRIVING METHOD

A pixel circuit, a display panel (100) and a driving method. The pixel circuit comprises a data write-in circuit (5), an ultrasonic acquisition and conversion circuit (8), a storage circuit (3), a driving circuit (2), an output control circuit (7) and a light-emitting device (OLED). The ultrasonic acquisition and conversion circuit (8) is configured to convert a received ultrasonic signal into a converted electrical signal and provide same to the data write-in circuit (5). The data write-in circuit (5) is configured to provide a data signal (Data) or the converted electrical signal obtained by the ultrasonic acquisition and conversion circuit (8) to a first node (N1) under the control of a scanning signal (Gate). The driving circuit (2) is configured to provide, under the control of the level of a second node (N2), a driving signal for driving the light-emitting device (OLED) to emit light to a fourth node (N4) or provide an identification signal obtained from the converted electrical signal ...

Microbial preparation and preparation method thereof

The invention discloses a microbial preparation, which is prepared from the following raw material components in parts by weight: 10 to 20 parts of lactic acid bacteria, 5 to 15 parts of bacillus, 12 to 25 parts of saccharomycetes, 2 to 9 parts of bifidobacterium, 4 to 10 parts of butyric acid bacteria, 1 to 5 parts of aspergillus and 20 to 30 parts of auxiliary materials. The microbial preparation has the beneficial effects that the microbial preparation has the effect of adjusting the ecological imbalance of microorganisms, that is, when external adverse factors disturb normal biological groups in living bodies, the ecological imbalance can be adjusted through the microbial preparation, the microbial preparation has colonization, exclusiveness and reproductive performance, and metabolites of the microorganisms can be used for improving the ecological imbalance of the microorganisms. According to the present invention, lactic acid, acetic acid, other organic acids and the like can improve ...

Corpus set classification method based on TF-IDF and LDA topic models

The invention discloses a corpus set classification method based on TF-IDF and LDA topic models, and the method comprises the following steps: S1, building a corpus for storing corpus information to be classified, and constructing a user dictionary, a stop word document and a synonym list; s2, constructing a word segmentation model, and performing word segmentation processing on each piece of corpus information in the corpus; s3, based on a word segmentation processing result, extracting key information by using a TF-IDF algorithm; and S4, performing topic classification through an LDA topic model. According to the method, topic classification is carried out on corpus information based on the TF-IDF algorithm and the LDA topic model, text word segmentation is carried out by using a jieba library in cooperation with a user dictionary, a stop word document, a synonym list and the like, good topic classification capacity is achieved, and effective conditions are provided for obtaining key ...

THIN-FILM TRANSISTOR AND MANUFACTURING METHOD THEREFOR, ARRAY SUBSTRATE AND DISPLAY APPARATUS

Disclosed is a thin-film transistor (10), comprising a substrate (11), an active layer (12), a first contact layer (13), a second contact layer (14), a gate electrode insulating layer (15), a gate electrode (16), a source electrode (17) and a drain electrode (18), wherein the active layer (12), the first contact layer (13) and the second contact layer (14) are arranged on the substrate (11), an overlapping area between an orthogonal projection of the gate electrode (16) on the substrate (11) and an orthogonal projection of the first contact layer (13) on the substrate (11) is zero, and an overlapping area between the orthogonal projection of the gate electrode (16) on the substrate (11) and an orthogonal projection of the second contact layer (14) on the substrate (11) is zero. The present invention further discloses a method for manufacturing a thin-film transistor, an array substrate, and a display apparatus.

Hand lift table

... 本实用新型公开了手摇升降桌，包括手摇升降桌底座、升降组件、桌板倾斜机构、桌板组件，其特征在于：所述的升降组件下端套接在手摇升降桌底座上，上端与桌板组件套接，所述的桌板倾斜机构安装在桌板组件下与升降组件上。使用时，当升高或降低手摇升降桌高度时手摇升降手摇轮就能实现桌子高度的升降，手摇倾斜手摇轮就能使桌面转动至合适的角度。手摇升降桌能自由升降、锁定高度，桌面可以手摇调整角度，轻松自如，操作简便，而且移动方便。 ...

Data compression method and device

The invention provides a data compression method and a device used for the data compression method. The data compression method comprises the following steps: acquiring multiple pieces of data to be compressed from a data object to be compressed based on different preset ranges; generating a plurality of hash values based on the plurality of to-be-compressed data; a hash table corresponding to each hash value is searched for, position information of compressed data corresponding to the hash values is obtained, the hash tables are used for storing the position information of the compressed data and the position information of the data to be compressed in the data object to be compressed, and the position information corresponds to the hash nodes; based on the to-be-compressed data and the compressed data, obtaining a matching length of the data corresponding to the Hash node; and compressing the data in the to-be-compressed data object based on the Hash node and the matching length. The ...

GAMBOGIC ACID DERIVATIVES, PREPARATIVE METHODS AND USES THEREOF

Gambogic acid derivatives of formula (I), preparative methods and uses thereof are disclosed. Gambogic acid derivatives have anti-tumor effect and can be formulated into anti-tumor medicaments.

Resource retrieval method, question and answer method and corresponding devices

The embodiment of the invention discloses a resource retrieval method, a question and answer method and corresponding devices, and relates to the technical field of artificial intelligence. Obtaining input information, and encoding the input information to obtain a first feature representation of the input information; based on the first feature representation of the input information and the first feature representation of each resource in a resource library, performing first retrieval in the resource library to obtain candidate resources; obtaining entity information extracted from the candidate resources, and obtaining a second feature representation of each candidate resource by using the extracted entity information; and based on the first feature representation of the input information and the second feature representation of each candidate resource, performing second retrieval in each candidate resource to obtain a reference resource as a retrieval result for the input information ...

DISPLAY SUBSTRATE AND DISPLAY DEVICE

A display substrate and a display device. The display substrate comprises a first sub-pixel (111), a second sub-pixel (112), and a first spacer (0101). A line connecting the center (C1) of the first sub-pixel (111) and the center (C2) of the second sub-pixel (112) is a center line (CL1); the center line (CL1) is not perpendicular to a first direction (X); the first direction (X) is at least one of the row direction or the column direction. The first spacer (0101) is disposed between the first sub-pixel (111) and the second sub-pixel (112), and the extension direction (E01) of first spacer (0101) between the first sub-pixel (111) and the second sub-pixel (112) is not perpendicular to the first direction (X). Therefore, the display substrate can improve the different viewing angle color cast and improve the display quality.

NICKEL-BASED RECHARGEABLE BATTERY AND MANUFACTURING METHOD THEREFOR

A nickel-based rechargeable battery and a manufacturing method therefor. The nickel-based rechargeable battery comprises a positive electrode, a negative electrode, and an electrolyte. Active materials of the negative electrode comprise nickel; and active materials of the positive electrode comprise a carbon and manganese dioxide composite material, the carbon and manganese dioxide composite material refers to a material with manganese dioxide attached on the surface of a nano carbon material carrier or a mixed material of a nano carbon material and manganese dioxide. The electrolyte contains bivalent nickel ions Ni2+ and bivalent manganese ions Mn2+. In the manufacturing, the positive electrode using the carbon and manganese dioxide composite material as the active material is manufactured first, then, the negative electrode using the nickel as the active material is manufactured, the electrolyte containing both the bivalent nickel ions Ni2+ and the bivalent manganese ions Mn2+ is prepared ...

Backside illuminated image sensor and preparation method thereof

The invention provides a preparation method of a backside illuminated image sensor. The preparation method comprises the following steps: bonding a first substrate on a second substrate through a bonding process so that a combined film layer and the first substrate are inversely arranged on the second substrate; forming a plurality of deep grooves arranged in an array mode; forming a first metal layer, wherein the first metal layer filling the deep groove and the first metal layer at the top end of the deep groove form a metal grid; and etching to remove the etching stop layer and the first metal layer between the deep grooves in the pixel region so as to expose a part of thickness of the metal grid. According to the preparation method, the color filter can be subsequently formed between the metal grids exceeding the surface of the high-K dielectric layer (the surface of the substrate), so that complete optical isolation between adjacent pixels is realized under the condition that electrical ...

FLUOROSULFONYL-CONTAINING COMPOUND, INTERMEDIATE THEREOF, PREPARATION METHOD THEREFOR AND USE THEREOF

Disclosed in the present invention are a fluorosulfonyl-containing compound, an intermediate thereof, a preparation method therefor and use thereof. The fluorosulfonyl-containing compound disclosed in the present invention comprises a cation and an anion, the cation being as shown in Formula (1). The fluorosulfonyl-containing compound of the present invention can react with a substrate to efficiently synthesize a fluorosulfonylation product, has low toxicity, is simple to prepare, is convenient to use, and is in a solid stable state at normal temperature. Furthermore, the compound has a wide range of adaptable substrates, including phenolic compounds and amine compounds, and is the only solid form agent that can achieve such a chemical conversion, and therefore has important academic and application value.

Intelligent treatment system based on skin detection

The invention provides an intelligent treatment system based on skin detection, and the system is characterized in that a host device is used for obtaining skin layering data obtained by a detection device, determining a target treatment parameter corresponding to a treatment device according to the skin layering data, and sending the target treatment parameter to the treatment device; the treatment equipment is used for treating the target object according to the target treatment parameters. According to the application, the skin hierarchical data of the target object can be obtained by performing skin detection on the target object, and then the target treatment parameters corresponding to the treatment equipment are determined according to the skin hierarchical data, that is, intelligent treatment is made into a closed-loop feedback system; therefore, it can be ensured that the target objects with different skin characteristics are subjected to different personalized treatment, the treatment ...

Smart home layout map generation method and device and computer readable storage medium

The embodiment of the invention provides a smart home layout map generation method and device and a computer readable storage medium. The method comprises the steps of obtaining room information of a target house and determining coordinate information of each room; determining deployment demand information of the intelligent equipment according to a preset layout rule based on the room information and the coordinate information, wherein the deployment demand information comprises the type, the number and the deployment position of the intelligent equipment; the intelligent home layout map of the target house is generated, the areas, corresponding to the deployment positions of the intelligent devices, on the intelligent home layout map mark the information of the intelligent devices, the information of the intelligent devices at least reflects the types of the intelligent devices, and in some implementation processes, the convenience of deploying the intelligent home by a user is improved ...

PORTABLE POWER SOURCE APPARATUS AND CHARGING/DISCHARGING PROCESSING METHOD

A portable power source apparatus and a charging/discharging processing method. A portable power source comprises: an interface (12) configured to be connected to an external power source or an external charged device; an electric energy storage device (18) configured to be charged by the external power source through the interface (12) to store electric energy or release the stored electric energy to the external charged device through the interface (12); a recognition module (14) configured to recognize whether a device connected to the interface (12) is an external power source or an external charged device, and send a recognition result to a control module (16); and the control module (16) connected to the recognition module (14) and configured to enable the external power source to charge the electric energy storage device (18) through the interface (12) in the case where the recognition result is that the device is an external power source, and enable the electric energy storage device ...

Integrated height and weight measuring device

The invention relates to a height and weight integrated measuring device, and belongs to the technical field of height and weight measurement. The height measuring device comprises a weighing platform, a display panel, a height measuring rod and a corresponding voice broadcast module, the height measuring rod is arranged on the weighing platform, height scales are arranged on the height measuring rod, an ultrasonic height measuring device used for measuring the height is arranged at the top of the height measuring rod, a height measuring plate matched with the height scales is further installed on the height measuring rod in a sliding mode, and the voice broadcast module is arranged on the display panel. The height measuring plate is matched with the ultrasonic height measuring device, and the ultrasonic height measuring device measures the height of the height measuring plate. The method and the device have the effect of quickly and accurately obtaining the detection result.

FLEXIBLE DISPLAY SUBSTRATE AND FLEXIBLE DISPLAY DEVICE

A flexible display substrate and a flexible display device. The flexible display substrate comprises a flexible base substrate (1) and a pixel layer (2). The flexible base substrate (1) comprises a plurality of hole regions (12), and a plurality of island regions (11) and bridge regions (13) divided by the plurality of hole regions (12). The pixel layer (2) comprises a plurality of display units disposed in the various island regions (11) in one-to-one correspondence, and each of the display units is provided with a first trench (22). The first trenches (22) divide the display units into a display portion (21) and a bank portion (23), and at least part of the bank portion (23) is located between the display portion (21) and the bridge region (13) adjacent to the display portion (21).

Intelligent surveying and mapping system based on industrial camera

The invention relates to the field of intelligent surveying and mapping, in particular to an intelligent surveying and mapping system based on an industrial camera, which comprises a surveying and mapping unit and an analysis control unit, the control module is used for judging an estimated stop area of the to-be-measured target according to the flight speed and the estimated flight stop time of the to-be-measured target, adjusting the search radius according to the included angle between the flight direction vector of the to-be-measured target and the current environment wind direction vector, and controlling the second surveying and mapping camera to monitor and shoot the determined shooting area. And the analysis adjustment unit is used for analyzing the influence factors in the shooting area to judge whether the determined shooting area is modified or not, and the shooting precision and the mapping efficiency of the bird shooting system for the birds are improved.

IBDV (Infectious Bursal Disease Virus) siRNA enrichment region gene fragment, recombinant plasmid, generated siRNA, construction method and application

The invention discloses a method for obtaining a siRNA gene pool of an infectious bursal disease virus through screening and comparing the siRNA gene pool with an infectious bursal disease virus genome to obtain a gene segment of a siRNA enrichment region. According to the present invention, the siRNA enrichment region on the IBDV genome can efficiently produce the siRNA, and can be used as the prevention and treatment application of the chicken infectious bursal disease, wherein the application comprises: using the pcDNA3.1 and the PSilence4.1 commercial plasmids to construct the recombinant plasmid containing the IBDV siRNA enrichment region fragment; experiments prove that after the recombinant plasmid is used for treating DF1 cells, the IBDV replication amount in the cells is remarkably reduced, and IBDV virus proliferation is inhibited. The same conclusion can also be obtained in an animal protection experiment carried out by using chicks. Therefore, the recombinant plasmid can be ...

Recombinant human apolipoprotein ApoE and preparation method of polyclonal antibody thereof

The invention relates to the technical field of bioengineering, in particular to a recombinant human apolipoprotein ApoE and a preparation method of a polyclonal antibody of the recombinant human apolipoprotein ApoE, pQE30 is used as an expression vector, an ApoE gene fused with a His tag is introduced into escherichia coli for expression, and an escherichia coli engineering strain is obtained; splitting the escherichia coli engineering strain, and purifying the escherichia coli engineering strain by using a NiFocurose6FF column and a DEAE SepharoseFastFlow column, so as to obtain a recombinant ApoE protein; the recombinant ApoE protein is used for immunizing a goat, then blood sampling detection is carried out, standard antiserum is taken and purified, and the ApoE polyclonal antibody is obtained. The high-purity recombinant ApoE protein prepared by the method is high in activity and low in cost and has potential and wide application value in the aspects of clinical diagnosis and treatment ...

Preparation method of polyethylene glycol-glucan water-in-water emulsion macromolecular stabilizer

The invention relates to a preparation method of a polyethylene glycol-glucan water-in-water emulsion macromolecular stabilizer, which comprises the following steps: (1) carrying out hydroxyl-terminated amination on polyethylene glycol to obtain a polyethylene glycol derivative marked as NH2-PEG-NH2; (2) oxidizing dextran by using sodium periodate to prepare aldehyde dextran which is marked as ODEX; (3) preparing an ODEX solution and an NH2-PEG-NH2 solution; and (4) mixing the ODEX solution and the NH2-PEG-NH2 solution, adjusting the pH value to 7-8 by using a dilute alkali solution, stirring and reacting at room temperature in a nitrogen atmosphere, dialyzing the obtained solution for 3-4 days, transferring the purified aqueous solution into a culture dish, and freeze-drying to constant weight to obtain the polyethylene glycol-glucan water-in-water emulsion macromolecular stabilizer which is a faint yellow flocculent solid. The method is mild in reaction condition, simple in equipment ...

Molten salt chlorination furnace cooling method

The invention discloses a molten salt chlorination furnace cooling method which comprises the following steps: 1) during chlorination production, the internal temperature of a chlorination furnace is 750 +/-15 DEG C, the furnace top temperature is 350 +/-50 DEG C, the molten salt chlorination furnace performs returned slurry spraying, the returned slurry spraying medium is titanium tetrachloride liquid, the viscosity of the titanium tetrachloride liquid is 3 * 10 <-3 > Pa.s to 10 * 10 <-3 > Pa.s, and the liquid temperature of the titanium tetrachloride liquid is 0-25 DEG C; by controlling the temperature, the viscosity, the spraying position and the spraying state of the sprayed titanium tetrachloride liquid, the cooling efficiency of the chlorination furnace is improved, and material waste is reduced.

Reactor wall-climbing titanium rapid removal device

The invention relates to the technical field of metallurgy, and discloses a reactor wall-climbing titanium rapid removal device which comprises a mounting frame, two supporting columns are fixed to the top face of the mounting frame, a turnover plate is hinged to the supporting columns through connecting columns, a bearing plate is fixed to the bottom end of the turnover plate, a reactor is arranged on the top face of the bearing plate, and a removal device is arranged below the bearing plate. The removing device comprises a mounting box, a rotating cylinder is rotationally connected into the mounting box, a lead screw is in threaded connection with the interior of the rotating cylinder, a transmission disc is fixed to the top end of the lead screw, a plurality of mounting plates are regularly mounted on the outer side wall of the transmission disc, pull-back plates are hinged to the other ends of the mounting plates, and scrapers are fixed to the other ends of the pull-back plates. A containing ...

Access control method and device, processor and electronic equipment

The invention discloses an access control method and device, a processor and electronic equipment, and relates to the technical field of computers.The method comprises the steps that whether an access permission control module is in a starting state or not is detected; if the access permission control module is in the starting state, obtaining a target permission tree of the target object and an access request of the target object to a target application; target access attribute information corresponding to the target access node is determined from the target permission tree through the access permission control module, and the target access attribute information comprises multi-dimensional access attribute information; and determining a response mode for the access request according to the target access attribute information and the demand access attribute information corresponding to the target access node. Through application of the method and the device, the problem of poor user access ...

Can cool storage beverage bottle that aquatic foods keepd to beer

... 本实用新型公开了一种可对啤酒进行冷鲜保藏的储酒甁，包括瓶体,所述瓶体内设置有可以从内分离出的带腔盖的冰冻腔，所述腔盖上设置有冰冻柱，该储酒甁可以在无冷藏条件的情况下随时对啤酒进行保鲜处理，确保人们在追求啤酒口感同时还可保证啤酒的品质，同时，该甁体体积轻巧、携带方便，成本低廉。 ...

High-voltage potassium ion battery ether electrolyte and application thereof

The invention relates to a high-voltage potassium ion battery ether electrolyte and application thereof. The electrolyte is formed by mixing an ether solvent and sylvite. The ether solvent is diethylene glycol dibutyl ether; the potassium salt is potassium bis (fluorosulfonyl) imide; and the amount-of-substance concentration of the organic electrolyte is 0.5 to 2.5 mol L <-1 >. The high-performance potassium ion battery ether electrolyte is used as an electrolyte in a potassium ion battery. The electrolyte provided by the invention has relatively high oxidation stability and can not be decomposed under a high voltage of 4.5 V, and a battery system composed of the EGDE-based electrolyte and the layered transition metal oxide positive electrode material shows excellent potassium storage performance in a wide voltage range of 1.5-4.5 V.

Glycyrrhizic acid and zinc alginate nanoparticle preparation and preparation method thereof

The invention discloses a glycyrrhizic acid zinc alginate nanoparticle preparation and a preparation method thereof, and relates to the technical field of glycyrrhizic acid zinc alginate nano delivery, in particular to a glycyrrhizic acid zinc alginate nanoparticle preparation with anti-depression activity and a processing method thereof. Comprising alginic acid, ionic bonds are formed between alginic acid and divalent zinc ions, molecular hydrogen bonds are formed between alginic acid and glycyrrhizic acid, and the glycyrrhizic acid zinc alginate nanoparticle preparation can be prepared through an emulsification-internal gel method. The glycyrrhizic acid sustained-release preparation has the positive effects of improving the in-vivo process of glycyrrhizic acid, realizing sustained release and targeted therapy and effectively exerting the anti-depression activity.

Data compression method and device and computer readable storage medium

The invention provides a data compression method and device and a computer readable storage medium. The data compression method comprises the steps of obtaining to-be-compressed data at a position P from a to-be-compressed data object; searching first matching data at the position P in the compressed data, and determining a first offset and a first matching length M; searching second matching data at the position P-i in the compressed data, and determining a second offset and a second matching length N; if M is smaller than N-i, the first offset is adjusted to be the second offset, the adjusted offset is obtained, the end point of the first matching length M is adjusted to be the end point of the second matching length N, and the adjusted matching length M'is obtained; and replacing the to-be-compressed data at the position P based on the adjusted offset and the adjusted matching length M'so as to compress the to-be-compressed data. According to the data compression mode, the data compression ...

Vehicle trajectory tracking method based on multi-sensor decision level fusion

The invention discloses a multi-sensor decision-level fusion vehicle trajectory tracking method, and the technical scheme is that a sensor decision-level fusion method is adopted, objects independently detected by a camera and a laser radar sensor are fused together, and target detection is carried out in a camera image and a laser radar point cloud respectively; and then the detected targets are fused, so that the position, the type and the speed of the targets are optimally estimated, prediction and tracking of the vehicle trajectory are completed, and the method can be widely applied to the technical field of unmanned driving.

Adjustable full-screen photovoltaic module

The invention discloses an adjustable full-screen photovoltaic module, and relates to the technical field of photovoltaic modules, the adjustable full-screen photovoltaic module comprises two mounting brackets arranged left and right and a motor mounting plate connected between the two mounting brackets, the adjustable full-screen photovoltaic module sends an instruction to a signal transceiver remotely, and the adjustable full-screen photovoltaic module is connected with the motor mounting plate. The effect of remotely controlling self-cleaning of the full-screen photovoltaic module is achieved, and the servo motor is used for driving the steering shaft to rotate forwards or reversely so that the full-screen photovoltaic module and the ground can be in an approximately vertical state. Therefore, large-size impurities such as fallen leaves or accumulated snow on the full-screen photovoltaic module can automatically slide down under the action of gravity, the purpose of cleaning the large-size ...

Preparation method of biomass carbon material and application of biomass carbon material in all-vanadium redox flow/lithium metal battery

The invention provides a preparation method of a biomass carbon material and an application of the biomass carbon material in an all-vanadium redox flow/lithium metal battery. The biomass carbon composite material is prepared by compounding macroporous biomass carbon particles and carbon nanotubes and carrying out bonding and winding. According to the invention, a part of specific carbon nanotubes are ingeniously inserted into gaps of biomass carbon particles with a large number of macropores, so that the specific surface area and the void volume of the biomass carbon particles are further optimized without introducing an activating agent; the problem that conventional macroporous biomass charcoal is not suitable for being directly used as an all-vanadium redox flow battery electrode material and a lithium metal deposition framework material is solved.

Rice freshness detection device

The invention relates to the technical field of food safety, in particular to a rice freshness detection device which comprises a base serving as a carrier of the whole device, a supporting plate is fixedly connected to the base, a color detector used for distinguishing rice colors is installed on the supporting plate, and a solution box used for containing a detection solvent is fixedly connected to the supporting plate. A conveying mechanism used for conveying rice is arranged on the base, a material guiding mechanism used for conveying rice is arranged on the supporting plate, a control mechanism used for controlling conveying of a detection solvent is installed on the supporting plate, and a vibration mechanism is installed on the base. By arranging the conveying mechanism, rice and a detection solution can be placed together and then rotated to the color detector, the color detector can recognize the color of a mixed solvent, the solution is fresh rice in emerald green and light green ...

Method for extracting and purifying apigenin 7-O-glucoside from peony leaves

The invention belongs to the technical field of apigenin 7-O-glucoside providing methods, and particularly relates to a method for extracting and purifying apigenin 7-O-glucoside from peony leaves. The invention relates to a method for extracting and purifying apigenin 7-O-glucoside from peony leaves. The method comprises the following steps: S1, ethanol extraction; s2, extracting; s3, macroporous resin separation; s4, carrying out gel column separation; and S5, HPLC preparation and purification. Ethanol with high extraction efficiency is selected for extraction, extracts are separated through LX-38 macroporous resin and a Sephadex LH-20 gel column respectively, a standard substance and a sample are expanded under the same condition mainly according to thin-layer chromatography detection in the separation process, components with the same ratio shift value are combined, impurities are removed, a target compound is reserved, and the method is suitable for large-scale industrial production ...

Anti-inflammatory treatment application of MNSF beta/RC3H1 PPI interference polypeptide

According to the invention, a new signal molecule compound MNSF beta-RC3H1 for regulating and controlling the expression of TNF alpha in macrophages is found through experiments, and based on the signal molecule compound MNSF beta-RC3H1, the invention discloses an MNSF beta/RC3H1PPI interference polypeptide, and the interference polypeptide can significantly inhibit the expression of TNF alpha in macrophages and has no cytotoxicity by interfering the interaction of MNSF beta-RC3H1. The signal molecule compound MNSFbeta-RC3H1 found in the invention provides a new target for research and development of anti-TNF alpha drugs; in addition, the interference polypeptide disclosed by the invention can be used as a novel medicine molecule for anti-TNF alpha treatment and is applied to clinical medicine development. Therefore, the signal molecule compound MNSFbeta-RC3H1 and the interference polypeptide disclosed by the invention have good development and application values in research and development ...

New energy photovoltaic equipment system

The invention discloses a new energy photovoltaic equipment system, and relates to the technical field of new energy equipment. The new energy photovoltaic equipment system comprises a mounting plate, a buoy is fixed to the bottom of the mounting plate, a supporting column and an electric telescopic rod are fixed to the top of the mounting plate, a photovoltaic panel is hinged to the top of the supporting column, and the photovoltaic panel is slidably connected with the top end of the electric telescopic rod; a side plate is fixedly connected to the side wall of the photovoltaic panel, a cleaning assembly is arranged on the side wall of the side plate, the cleaning assembly is arranged, a motor drives a second driven chain wheel to rotate through a driving chain wheel, a first driven chain wheel and a first chain, the second driven chain wheel drives a second chain to rotate, and the second chain drives a water spraying pipe to move through a guide cylinder and a sliding rod; a water pump ...

Broadband bi-directional coupler based on main and auxiliary different ridge waveguides and vector network analyzer

The invention discloses a broadband bi-directional coupler based on main and auxiliary ridge waveguides. The ridge waveguide broadband bi-directional coupler comprises a main ridge waveguide of a microwave main channel, symmetrical auxiliary ridge waveguides on the two sides and a plurality of coupling holes serving as coupling channels. The main ridge waveguide and the auxiliary ridge waveguides are similar in structure and are single-ridge waveguides, the main waveguide and the auxiliary waveguides are different in size, and the auxiliary ridge waveguides on the two sides are symmetrical in structure and identical in size. Two sides of the main ridge waveguide are respectively communicated with the auxiliary ridge waveguide through coupling holes; according to the millimeter wave broadband ridge waveguide hole coupling bi-directional coupler, millimeter wave signals are input from one side of a main ridge waveguide, one part of the signals are output from the other side of a straight-through ...

Unsupervised tracking model training method based on contrast loss

The invention relates to the technical field of unsupervised tracking, in particular to an unsupervised tracking model training method based on contrast loss. The method comprises the following steps: S1, forming a constrained SSCI module by using a relation between the interior of a video frame and a relation between adjacent video frame targets; s2, mutually setting the features of different targets in each frame of image as negative samples, setting adjacent frame targets with similar adjacent frames as positive sample pairs, and constructing contrast loss according to the positive sample pairs; S3, constraining the embedded features by using variable loss based on self-supervised contrast loss. The invention provides an unsupervised tracking model training method based on contrast loss. The method comprises the following steps: deducing the similarity between targets by depending on priori objects of which the objects in frames must be different; inspired by a self-supervised learning ...

Preparation method of high-potential material of thermal battery

The invention discloses a preparation method of a high-potential material of a thermal battery, and belongs to the technical field of high-potential positive electrode materials of thermal batteries. The preparation method comprises the following steps: 1, mixing oxysalt of lithium, a carbonyl metal compound and an organic solvent to obtain a uniform mixed solution; 2, putting the mixed solution obtained in the step 1 into a vacuum drying oven, drying, and grinding into powder; 3, the powder obtained in the step 2 is heated to complete pretreatment, and oxysalt with the surface coated with metal is obtained; and 4, heating the material pretreated in the step 3 to complete high-temperature heat treatment, then cooling to room temperature, and grinding into powder to obtain the high-potential material of the thermal battery. The high-potential material is a modified high-potential positive electrode material which is subjected to surface metal coating by utilizing a lithium electrode material ...

Efficient mustard type rape genetic transformation method

The invention provides an efficient brassica juncea genetic transformation method which specifically comprises the following steps: selecting brassica juncea seeds with the allyl glucosinolate content of 20-40 [mu] mol/g, and screening out seeds simultaneously containing WU and ST primer binding sites through PCR (Polymerase Chain Reaction); the method comprises the following steps of: selecting seeds, performing illumination germination on the selected seeds, infecting hypocotyl of aseptic seedlings by using agrobacterium containing a gene editing carrier, performing co-culture and differentiation culture, culturing, screening and differentiating by using a specific culture medium in each stage, and performing illumination culture on the obtained small seedlings in a rooting culture medium added with B5 powder to obtain regenerated seedlings; and culturing the regenerated seedlings until rooting to obtain mustard type rape transformed positive plants. According to the genetic transformation ...

Microwave switch electromagnetic drive unit

... 微波开关电磁驱动装置，包括两个螺线管式电磁铁、转轴支架和弹性簧片，两个螺线管式电磁铁安装在支撑板上方，螺线管式电磁铁的导杆从支撑板中伸出，导杆下方分别与转轴支架的两端连接，所述的转轴支架靠转轴固定在支撑板下方的耳板上，转轴支架可绕转轴转动，两个弹性簧片分别铆接在转轴支架两端。该微波开关电磁驱动装置采用“双螺线管与平衡衔铁旋转”相结合的电磁驱动结构，运用费力杠杆的原理，在同等输入条件下，实现了体积小、行程大的目的，解决了大功率微波开关的设计难题。 ...

Portable infusion support for field first aid

The utility model discloses a portable infusion support for field first aid, which comprises a rod body, one end of the rod body is fixedly connected with a plunger, the plunger is inserted in a casing pipe, the rod body is superposed with the axis of the casing pipe, and the other end of the rod body is fixedly provided with an infusion hook for hooking a liquid dropping bag and a first fixing part for being fixed on an upper target object. And a second fixing part fixed with a lower target object is arranged at one end, far away from the infusion hook, of the sleeve. According to the utility model, the task of hanging the infusion bag is fixed and undertaken in different places, and extra rescue personnel do not need to lift the infusion bag aside, so that the rescue personnel are liberated and do other rescue operations. The infusion bag fixing device is suitable for fixing the infusion bag in the technical field of emergency infusion such as field and battlefield live wires.

Multi-valve type conveying device for collinear overhaul

The utility model relates to a multi-valve type collinear maintenance conveying device which comprises a main line conveying device, a branch line conveying device and a maintenance station, the branch line conveying device is arranged in the direction perpendicular to the length of the main line conveying device, and the starting point and the end point of the branch line conveying device are both connected with the main line conveying device. The maintenance station is connected with the branch line conveying device, and a maintenance identification device is arranged at the position, corresponding to the maintenance station, of the branch line conveying device; the main line conveying device is a double-layer speed chain conveying line and comprises an upper-layer conveying line for forward conveying and a lower-layer conveying line for reverse conveying, and automatic feeding of a specified overhaul station, automatic release of a non-specified overhaul station, automatic repair of ...

Anesthesia depth and cerebral blood oxygen saturation monitoring device

The invention discloses an anesthesia depth and cerebral blood oxygen saturation monitoring device, and relates to the technical field of medical instruments, the anesthesia depth and cerebral blood oxygen saturation monitoring device comprises a nursing bed body, one side of the nursing bed body is provided with a support plate, the support plate is slidably provided with an anesthesia box body, one side of the anesthesia box body is provided with a monitoring box, and the anesthesia box body is internally provided with an anesthesia cavity; the anesthesia box body is provided with an opening end towards the nursing bed body; a cylinder used for bearing the head of a patient is arranged in the anesthesia cavity, a plurality of sets of positioning grooves are formed in the cylinder wall of the cylinder in a circumferential array mode, protruding arc-shaped air bags are arranged in the positioning grooves and connected with an air cavity annularly formed in the outer wall of the cylinder ...

Method for screening poultry RNA virus source siRNA and application

The invention discloses a method for screening poultry RNA (Ribonucleic Acid) virus source siRNA (Small Interference Ribonucleic Acid) and application thereof. According to the method for screening the poultry virus source siRNA, the small RNA based on a GSE data set in an NCBI GEO database is compared with a virus strain sequence of a corresponding reference. And secondly, through genomic visualization software IGV comparison, it can be known that the siRNA enrichment region of the IBV M41 virus source is an IBV M41 NSP10siRNA enrichment region sequence. According to the present invention, the sequence of the IBVM41 NSP10 siRNA enrichment region is cloned to the pSilencer4.1 vector capable of efficiently expressing the siRNA so as to construct the PS-M10 plasmid; finally, the PS-M10 plasmid is transfected to macrophages, and then IBVM41 infection test, fluorescent quantitative PCR (polymerase chain reaction) and western blot results show that the PS-M10 can efficiently inhibit the duplication ...

Intelligent ultrasonic treatment device

The invention provides an intelligent ultrasonic treatment device. The intelligent ultrasonic treatment device comprises a host, an ultrasonic detection device in communication connection with the host and an ultrasonic treatment probe in communication connection with the host, wherein the ultrasonic detection device is used for performing skin detection on a target object before ultrasonic treatment, and sending an obtained first detection result to the host; and the host is used for determining a corresponding ultrasonic treatment strategy according to the first detection result and controlling the ultrasonic treatment probe to perform ultrasonic treatment according to the ultrasonic treatment strategy. According to the intelligent ultrasonic treatment device provided by the invention, ultrasonic treatment is made into a closed-loop feedback system, so that different personalized treatment can be carried out on target objects with different skin characteristics, an ultrasonic treatment ...

Interactive voice response method for power customer service center

The invention discloses an interactive voice response method for an electric power customer service center, which executes a corresponding self-service voice navigation service according to the number of account numbers bound to a customer to be served, omits the tedious steps of inputting account numbers and password confirmation by the customer, and improves the distribution rate of an IVR (Interactive Voice Response) system. In addition, the user does not need to actively select information needing to be inquired by himself/herself, the corresponding self-service voice navigation service is executed through the preset service sequence, then the information needing to be inquired by the client is directly positioned, and the distribution rate of the IVR system is further improved. In addition, when the manual service is transferred, the distribution rate of the IVR system is further improved by identifying the type of the customer to be served, transferring the corresponding manual service ...

Vertical brush omni-directional displacement device for car washing machine

The invention belongs to the technical field of car washers, and particularly relates to a vertical brush omni-directional displacement device for a car washer, which comprises a vertical brush, walking mechanisms, a pressure regulating mechanism, a rotating mechanism and a V-shaped cross beam, the walking mechanisms are symmetrically and slidably connected to the cross beam, and the lower surface of each walking mechanism is provided with a limiting pad, a sensor and a controller; the lower surfaces of the sensors and the controller abut against damping screws, the lower ends of the damping screws penetrate through the supporting seats, the left side and the right side of the upper surface of the cross beam are fixedly connected with end beams, the upper surfaces of the end beams are fixedly connected with fixing rods, the pressure adjusting mechanisms are installed on the left side and the right side of the front side face of the fixing rods, and the pressure adjusting mechanisms are ...

Highway guardrail convenient to repair

The invention belongs to the technical field of road guardrails, and particularly relates to a road guardrail convenient to repair, which comprises upright posts and guardrail plates, the upright posts further comprise lower upright posts positioned underground and upper upright posts positioned above the ground, and foundation pits used for placing the lower upright posts and provided with inner walls made of reinforced concrete are arranged below the upright posts. The foundation pit is densely filled with a buffer block; a plurality of extrusion blocks which are staggered in the radial direction of the lower stand column are fixed on the lower stand column. The problems that in the prior art, a guardrail is difficult to repair, and the repair cost is high are solved; when collision energy is small, the buffer blocks in the foundation pit can fully absorb energy, collision deformation of the stand columns is reduced, the repairing difficulty of the stand columns is lowered, the maintenance ...

Novel ambient light adaptive display driving system based on light absorption artificial synaptic device

The invention relates to a novel ambient light adaptive display driving system based on a light absorption artificial synaptic device. Comprising a control module and a light-emitting module, the control module is a light-absorbing artificial synaptic device, and the light-emitting module is a one-way conductive device. The light absorption artificial synapse device is of a bottom gate top contact structure and sequentially comprises a bottom metal electrode layer, an insulating layer, a semiconductor layer, a light absorption layer and a top metal electrode layer from bottom to top. The single device has multi-conductance adjustability, the conductance value is changed under the influence of ambient light, and the device is applied to ambient light change driving luminescence. According to the invention, the light absorption layer of the artificial synapse responds to the intensity of ambient light so as to regulate and control the current of the display circuit, and the light emitted ...

Ultrasonic energy output control method and device, equipment and storage medium

The invention provides an ultrasonic energy output control method and device in the ultrasonic treatment process, equipment and a storage medium. The method comprises the steps that the acceleration of an ultrasonic treatment probe is detected; determining the size of the treatment area according to the detected acceleration; determining the magnitude of ultrasonic energy corresponding to the treatment area according to the size of the treatment area; and controlling a transducer to output ultrasonic energy according to the ultrasonic energy corresponding to the treatment area. According to the ultrasonic energy output control method in the ultrasonic treatment process, due to the fact that the movement track of the treatment head in the ultrasonic treatment process is curvilinear movement, the movement trend can be judged more quickly by detecting the change of the acceleration of the movement track, the higher response speed is guaranteed, and the treatment efficiency is improved. Therefore ...

Fixing assembly for rabbit nuclear magnetic resonance experiment

A fixing assembly for a rabbit nuclear magnetic resonance experiment comprises a supporting bottom plate, a clamping and fixing mechanism is arranged at the bottom of the supporting bottom plate, a rabbit containing groove is formed in the upper surface of the supporting bottom plate, and a rabbit abdomen compressing and fixing mechanism and four limb stretching and fixing mechanisms are further arranged on the upper surface of the supporting bottom plate. The rabbit abdomen compressing and fixing mechanisms are arranged on the two sides of the middle of the rabbit containing groove body, and the four-limb stretching and fixing mechanisms are arranged around the rabbit abdomen compressing and fixing mechanisms correspondingly. The rabbit fixing device is simple in structure, capable of accurately fixing rabbits of different figures, high in adaptability and beneficial to improving the accuracy of experimental research and improving the working efficiency.

Method for manufacturing rear section structure

The invention discloses a manufacturing method of a back section structure, which comprises the following steps: forming a second etching stop layer which covers a lower electrode layer, a capacitor dielectric layer, a first etching stop layer and the exposed surface of an upper electrode, forming the upper electrode on the capacitor dielectric layer, forming the capacitor dielectric layer on the lower electrode layer, and forming a second etching stop layer on the first etching stop layer; the lower electrode layer is formed on the second dielectric layer, the second dielectric layer is formed on the barrier layer, the barrier layer is formed on the first dielectric layer, a metal connecting wire is formed in the first dielectric layer, and the width of the bottom of the capacitor dielectric layer is larger than that of the upper electrode; covering a photoresist on the second etching stop layer through a photoetching process, and exposing an area needing to be etched; etching is carried ...

Recombinant vector, recombinant strain or cell line, recombinant calcium binding protein and application thereof

The invention discloses a recombinant plasmid, a recombinant strain or cell line, a recombinant calcium-binding protein and application thereof, and particularly relates to a calcium-binding protein from chicken intestinal mucus, which can resist M41 and IBDV on DF1 cells. After the recombinant protein and the recombinant plasmid are respectively used for treating DF1 cells, the duplication amounts of IBDV and IBV-M41 in the cells are obviously reduced, invasion and duplication of IBDV/IBV-M41 viruses are inhibited, and in-vivo experiments are proved. Therefore, the recombinant protein is expected to be used as a candidate protein for preventing/treating the infectious bronchitis virus and the infectious bursal disease virus.

Information display method and device, readable storage medium and electronic equipment

The invention discloses an information display method and device, a readable storage medium and electronic equipment, aiming at each enterprise, each label of the enterprise is determined according to enterprise information of the enterprise, and after each label corresponding to each enterprise is determined, each enterprise is clustered according to each label. And for each clustering cluster in the clustering result, determining the enterprise type of each enterprise of the clustering cluster according to the label of at least one enterprise contained in the clustering cluster, and further determining portrait information corresponding to each enterprise according to each label and the enterprise type corresponding to each enterprise. And subsequently displaying portrait information determined according to each label and the enterprise type. According to the method, the enterprise type of the enterprise is determined based on each label of the enterprise, and the enterprise type and ...

Slave module test time calculation method for control system to control combined products

According to the slave module test time calculation method of the control system control combination product, the slave module receives the PWM clock synchronization signal sent by the master module, and counts the PWM clock synchronization signal to obtain the count value CNT; the slave module generates a timestamp signal in the period of the PWM clock synchronization signal to obtain a timestamp signal count value M; recording the local time Tlocalcur when the master module obtains the test information of the slave module, and compensating the test time after the count value CNT is overturned according to the local time Tlocalcur, the period T1 of the PWM clock synchronization signal, the count value CNT, the timestamp signal M and the period T2 of the timestamp signal to obtain the test time Tcomseq of overturning compensation; and according to the test time Tcomseq, the system synchronization local time Tsystemsyn, the local time Tlocalsyn of the master module and the initial deviation ...