肩外展固定支具

Value-added tax invoice authenticity verification method and system

The invention provides a value-added tax invoice authenticity verification method and system. The method comprises the following steps: acquiring a value-added tax invoice added by a user; identifying the invoice type form and format of the value-added tax invoice; analyzing the value-added tax invoice to obtain an invoice code, an invoice number, an invoice check code, an invoice amount and invoice issuing date information of the value-added tax invoice; comparing and checking the invoice code, the invoice number, the invoice check code, the invoice amount and the invoice issuing date information of the value-added tax invoice with invoice data in detail of invoice real data in a tax bureau electronic base account library to obtain a checking result; obtaining a checking result, and checking the value-added tax invoice to obtain a checking result; and according to the verification result, printing a verification mark on the value-added tax invoice. According to the method provided by the ...

CAPACITOR APPARATUS AND MANUFACTURING METHOD THEREFOR, AND CAPACITANCE TYPE VOLTAGE TRANSFORMER

Disclosed are a capacitor apparatus and a manufacturing method therefor, and a capacitance type voltage transformer provided with the capacitor apparatus. The manufacturing method for a capacitor apparatus is: an inner wall of a barrel-type housing (1), an inner wall of a cover plate (3) and an outer wall of an expander (2) constituting an enclosed space, wherein the cover plate (3) covers a top opening of the barrel-type housing (1), the expander (2) is provided with a first through hole (4) and is provided in the barrel-type housing (1) to be connected to the cover plate (3), moreover, the expander (2) is an enclosed element, and is in a natural non-contracted state or in a contracted state where some air or all air has been extruded; performing a vacuuming treatment on the enclosed space; enclosing the enclosed space after injecting oil in the enclosed space; and pumping air into the expander (2), so that pressure in the enclosed space reaches a preset positive pressure value, and then ...

Calibration method and device of integrated vibration transmitter based on Pulse

The invention provides a calibration method and device of an integrated vibration transmitter based on Pulse. The method comprises the following steps: generating an initial first voltage signal by using a vibration calibration system; amplifying the first voltage signal to enable a vibration table to vibrate; the vibration amplitude of the vibration table is detected through a standard accelerometer, and a second voltage signal is obtained; the second voltage signal is converted into an acceleration value through a first multiplier, and the acceleration value obtained through conversion is compared with a preset acceleration value, so that the vibration calibration system carries out feedback adjustment on the first voltage signal according to a comparison result until the comparison result meets a condition; and obtaining an output signal of the detected transmitter to realize calibration. Compared with the prior art, through the vibration calibration system, the preset acceleration value ...

Application of substance specifically binding to KLK8 in preparation of product for preventing, treating or diagnosing sepsis

The invention relates to the technical field of medicine, in particular to application of a substance specifically binding to KLK8 to preparation of a product for preventing, treating or diagnosing sepsis, and the product for preventing, treating or diagnosing sepsis is used for treating sepsis by the following modes: 1) reducing endothelial cell permeability or improving capillary leakage; (2) a VE-cdherin/Akt/FOXM1 signal channel is stimulated; preferably, the expression level of FOXM1 and a downstream target gene thereof is up-regulated, the protein level of AKT or p-AKT is up-regulated, and the protein level of VE-cadherin is up-regulated; 3) the proliferation speed of endothelial cells is increased; 4) reducing the death rate of endothelial cells; and (5) the endothelial cell activity is improved. The invention provides a new treatment strategy for sepsis complicated by microvascular barrier disorder.

Television aging test device and test method

The invention relates to the technical field of television detection, in particular to a television aging test device and test method.The television aging test device comprises a test frame, an auxiliary assembly is installed at the top of the test frame, a connecting assembly is rotatably installed at the top of the auxiliary assembly, and a plurality of placing assemblies are fixedly installed on the connecting assembly; the auxiliary assemblies are externally connected with an air source and are communicated with one another, by arranging the placement assembly, the television is in an inclined state during testing, space can be saved, meanwhile, the television is rotated with the help of the auxiliary assemblies, the television is helped to be heated uniformly, and when the local part is overheated, the wind speed can be increased to take away heat, so that the testing efficiency is improved. The television is helped to balance the temperatures of the two sides and the middle part, ...

Medicine grinding device for chemical development of natural medicine

The invention discloses a medicine grinding device for chemical development of natural medicines, and relates to the technical field of medicine development, the medicine grinding device comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a shell, and the shell is movably connected with the front and rear sides of two rotating shafts I through two circular holes formed in the front and rear sides of the shell. According to the medicine crushing device, a first motor, a first rotating shaft, a first belt wheel and a first transmission roller are matched with one another, so that a first conveying belt can be driven to rotate, medicine can be automatically conveyed to the position between the two crushing rollers, preliminary crushing operation of the medicine is facilitated, meanwhile, the danger caused by manual feeding of operators is avoided, and the working efficiency is improved. And through mutual cooperation of an air blower, an air blowing pipe, ...

ABNORMAL POWER KPI QUICK DETECTING METHOD AND DEVICE

The present invention relates to an abnormal power key performance indicator (KPI) quick detecting method and device, the method comprising: first, acquiring certain KPI data at each detection point of a power grid to form an array comprising a set of KPI data; next, normalizing an upper limit value and a lower limit value of the KPI data at each detection point respectively, and simultaneously displaying the normalized upper limit values and the normalized lower limit values on the circumferences of concentric circles in polar coordinates; when lying in the annular band between an inner circle and an outer circle, the polar coordinate values of the KPI data at each detection point are normal data and are displayed as data points; and when lying outside the annular band, the polar coordinate values of the KPI data at each detection point are abnormal data, the values and device information being displayed at the points corresponding to the abnormal data. The method enables schedulers to ...

Distributed equipment data preprocessing and sampling method based on edge computing

The invention discloses a distributed equipment data preprocessing and sampling method based on edge computing, which comprises the following steps of: configuring an operation data preprocessing analysis rule and a data sampling uploading rule acquired by distributed energy equipment at an edge terminal; and identifying the acquired electrical quantity abnormal data, generating an alarm signal, sampling and uploading the total data according to a sampling rule, and carrying out distributed energy equipment operation data structured storage at a main station side. According to the method, the requirement of edge end data preprocessing on network bandwidth is greatly reduced, the construction cost and maintenance consumption of a data transmission network are effectively reduced, the method is suitable for distributed energy equipment with a larger scale and scattered distribution, the pressure of data analysis and processing of a master station side system is reduced, and the computing ...

Method for protecting refractory material by positively utilizing self-cladding layer of waste liquid slag

The invention belongs to the technical field of refractory materials, and particularly relates to a method for protecting a refractory material by positively utilizing a self-cladding layer of waste liquid slag. According to the method, a spray gun is used for spraying atomized organic waste liquid into an incinerator, the operation temperature of the incinerator and the thickness of a refractory material layer are controlled, and a cladding layer formed by slag of the organic waste liquid is used for protecting the refractory material layer from being corroded by alkali metal steam and melt. According to the method, other substances are not introduced, the cladding layer is formed in the operation process of the incinerator, the furnace lining is protected, the service life of the furnace lining is prolonged, and the operation cost is saved.

MASK STRIP, ARRAY SUBSTRATE, DISPLAY SCREEN AND DISPLAY DEVICE

A mask strip, an array substrate (100), a display screen (200) and a display device. The mask strip is used for making a light-emitting structure layer on the array substrate (100). The mask strip comprises a plurality of sub-mask plates (10). Each sub-mask plate (10) comprises a first mask area (1) and a second mask area (2). The first mask area (1) is provided with a first mask opening (11), and the second mask area (2) is provided with a second mask opening (21). The density of the second mask opening (21) is smaller than that of the first mask opening (11), and the sizes of at least some second mask openings (21) are greater than those of the first mask opening (11).

BIAXIALLY ORIENTED POLYMER FILM, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

A biaxially oriented polymer film and a preparation method therefor. A polymer film comprises a base film layer formed by an olefin polymer, and a superficial film layer formed by multi-polymerized polyolefin. The base film layer is an intermediate layer of the polymer film; a crystal face 110 of a crystal α of the polymer film has orientations in two directions, i.e., the direction of the equator and the direction of the meridian, the long period of lamellar crystals in the direction of the equator being 28-42, the long period of lamellar crystals in the direction of the meridian being 37-46; preferentially, the melting point of the multi-polymerized polyolefin of the superficial film layer is smaller than that of the olefin polymer of the base film layer. The polymer film features properties such as high transparency, high rigidity, tear resistance, low temperature resistance, and a stable size.

Single pipe straightening chipless cutting machine

The invention relates to a single pipe straightening chipless cutting machine which comprises a machine table, a feeding device arranged on one side of the machine table, a straightening device, a feeding device and a cutting device, the straightening device, the feeding device and the cutting device are sequentially arranged on the machine table, and the feeding device comprises a clamping propelling mechanism and a fixed length measuring mechanism. The fixed-length measuring mechanism is arranged, original manual fixed-length cutting machining of the copper pipe length is replaced, copper pipes of different lengths and numbers can be cut, the precision of the length size of the copper pipes is guaranteed, and the cutting requirements of the copper pipes of different lengths and specifications are met.

Disconnecting switch fracture structure and disconnecting switch

The invention relates to the field of disconnecting switches, in particular to a disconnecting switch fracture structure and a disconnecting switch. A disconnecting switch fracture structure provided by the present invention comprises a first knife switch assembly and a second knife switch assembly, the first knife switch assembly further comprises guide seats arranged on two sides of a first blade, a side closing space for accommodating a second blade during closing is formed between the guide seats and the first blade, and a guide block is installed on the second blade. The guide seat protrudes out of the first blade and/or the guide block protrudes out of the second blade, so that the guide block and the guide seat are contacted before the first blade and the second blade in the closing process. A guide block is mounted on the second blade, and the guide seat protrudes out of the first blade and/or the guide block protrudes out of the second blade, so that the guide block and the guide ...

Portable concrete setting time apparatus

... 本实用新型属于混凝土施工建设技术领域，涉及种便携式混凝土凝结时间测定仪。本实用新型提供的种便携式混凝土凝结时间测定仪，包括数字显示器、加力手柄、传感线路、传感器、连接杆、测针，所述数字显示器在加力手柄上方，所述加力手柄和所述传感器通过连接杆相连，所述测针位于传感器下方，所述数字显示器和传感器通过传感线路相连。本实用新型装置仪器具有重量轻、体积小、可拆可组、易于携带、测定结果准确可靠的特点。 ...

Freely-assembled creative pleasure bottle

The invention discloses a freely-assembled creative pleasure bottle which is characterized in that a single bottle is composed of a bottle cap and a bottle body, the bottle cap and the bottle body are the same in shape, the top end of the bottle cap is provided with at least one cylindrical protrusion, the bottom end of the bottle body is provided with at least one bottle bottom clamping groove matched with the cylindrical protrusion, and the bottle body is provided with at least one bottle bottom clamping groove matched with the cylindrical protrusion. The number of the bottle bottom clamping grooves of a single bottle is the same as that of the cylindrical protrusions. A plurality of vertical strip buckles are arranged on the peripheral surface of the bottle cap and the peripheral surface of the bottle body; a cylindrical inner container is arranged in the bottle body, and each bottle forms a Lego unit. According to the creative pleasure bottle capable of being freely assembled, each ...

Extremely-low-altitude parachute-free air-drop device

The invention provides an ultra-low-altitude parachute-free air-drop device which comprises a platform, supporting arms and foot pads, the platform is connected with the supporting arms through hinges, and supporting arm driving mechanisms and supporting arm unfolding and locking mechanisms are arranged at the hinge matching positions of the platform and the supporting arms; each supporting arm is composed of three energy absorption modules, the energy absorption modules are connected through hinge joints and stacked in parallel, and joint driving mechanisms and joint unfolding locking mechanisms are arranged at the joints. The supporting arm is connected with a movable rod piece of the hinge and can move in the rotating direction of the hinge after the electromagnetic lock is unlocked. The ultra-low-altitude parachute-free air-drop device is light in overall structure, and the used carbon fiber material is small in density, high in strength and convenient to carry; the used aluminum honeycomb ...

Raw coal material storage bin capable of heating at constant temperature and preventing moisture

The invention provides a constant-temperature heating damp-proof raw coal material storage bin which comprises a coal bin, the gas inlet end of the coal bin is connected with a heat supply device, the gas outlet end of the coal bin is connected with a separation device, and a damp-proof device is arranged in the coal bin; the damp-proof device comprises a lifting assembly arranged in the coal bunker and a heating assembly arranged outside the lifting assembly in a sleeving mode. The separation device comprises a first fan fixed to the upper surface of the coal bunker and connected with the gas outlet end of the coal bunker, a gas conveying pipe fixed to the gas outlet end of the first fan, a gas damp-proof assembly fixed to the gas outlet end of the gas conveying pipe and a second fan arranged at the gas outlet end of the gas damp-proof assembly. And the cyclone separator is connected with the air outlet end of the second fan. Raw coal and coal ash can be uniformly dedusted, so that the ...

Application remote batch upgrading method and system in electric power Internet of Things scene

The invention discloses an application remote batch upgrading method and system in an electric power internet of things scene, and the method is used for splitting a task, upgrading equipment corresponding to the task by adopting a time wheel algorithm according to a subtask queue, and realizing one-time upgrading facing million-level equipment in the field of the electric power internet of things in a limited resource environment.

Textile fabric dyeing device and method for textile processing

The invention discloses a textile fabric dyeing device and method for textile processing, and belongs to the field of textile processing. A textile fabric dyeing device for textile processing comprises a dyeing box with an inlet and an outlet formed in the two sides respectively, and further comprises a feeding roller and a discharging roller which are rotationally connected into the dyeing box and correspond to the inlet and the outlet respectively, and a left conveying roller and a right conveying roller are rotationally connected to the inner bottom of the dyeing box; the two device rollers are rotationally installed in the dyeing box, the two device rollers are located between the feeding roller and the left conveying roller, and the outer walls of the two device rollers are connected with roller shafts through a plurality of elastic telescopic mechanisms; the roller shaft can sweep off fluff on the outer wall of cloth, the cloth can swing left and right in the dyeing box, on one hand ...

Medium-wave refrigeration infrared automatic focusing definition acquisition method in offshore scene

The invention discloses a medium-wave refrigeration infrared automatic focusing definition acquisition method in a maritime scene, and the method comprises the steps: judging whether the scene is single or not according to the variance of an equilibrium histogram, generating the definition in the single scene through employing the method, and carrying out the sobel template calculation and accumulation of a whole image to generate the definition if the scene is not single. According to the method, the definition generation process is that a histogram is divided into a plurality of blocks, then the difference value of the variance and the threshold value of each block is counted, whether the block is a block of interest is determined according to the difference value of each block, and then the definition is generated by using sobel operator accumulation on the region of interest. According to the method, the interested area is automatically selected to output the definition, and the method ...

ARRAY SUBSTRATE, DISPLAY SCREEN AND DISPLAY DEVICE

Provided in the present application are an array substrate, a display screen, and a display device. The array substrate comprises: a substrate, a non-transparent first OLED substrate and a transparent second OLED substrate. The first OLED substrate at least partially encloses the second OLED substrate. The second OLED substrate comprises: a first electrode layer located on the substrate, a light-emitting structure layer located on the first electrode layer, and a second electrode layer located on the light-emitting structure layer. The first electrode layer comprises a plurality of first electrodes, and the light-emitting structure layer comprises a plurality of light-emitting structures, the number of first electrodes being less than the number of light-emitting structures, and each first electrode corresponding to a light-emitting structure.

Method for detecting sweet potato pinniform mottle virus based on CRISPR technology

The invention provides a method for detecting a sweet potato pinniform mottle virus or a sweet potato virus disease based on a CRISPR (clustered regularly interspaced short palindromic repeats) technology. The method comprises a step of detecting by utilizing gRNA (guide Ribonucleic Acid), Cas protein and a single-stranded nucleic acid detector, by screening and optimizing the gRNA, the detection efficiency is improved, and the method has a wide application prospect.

Line selection method, device and equipment for non-effective ground fault

The invention provides a line selection method, device and equipment for a non-effective grounding fault, and belongs to the technical field of fault line selection, and the method comprises the steps: collecting the secondary opening triangular voltage of a voltage transformer, and determining whether to start the non-effective grounding fault line selection according to a voltage value; when the neutral point is not grounded, each zero-sequence current phase is used to select a fault bus to realize initial line selection; when a neutral point is grounded through an arc suppression coil, a grounding fault line is selected by using a switching parallel resistor to realize preliminary line selection; and when the initial line selection fails, selecting a fault line in a manner of calculating a fault line trust function value by using a reliability allocation algorithm in combination with line current and phase fault measurement. According to the method, a neutral point ungrounded system ...

Monitoring method and early warning method for damage of vegetation on two sides of water conveying canal

The invention relates to a monitoring method and an early warning method for damage of vegetation on two sides of a water delivery canal. The monitoring method comprises the following steps: S1, acquiring a multispectral image and water area data on a preset path of an unmanned aerial vehicle; s2, according to the multispectral image, obtaining vegetation types and coverage degrees of two sides of the canal; and S3, determining the vegetation damage degree of the currently monitored vegetation type and coverage based on the water area data. The unmanned aerial vehicle is adopted for aerial photography of multispectral images to recognize various vegetation types and respective corresponding coverage degrees, water area data is taken as a standard, the vegetation damage condition is monitored according to whether the detected vegetation types and coverage degrees near a water area meet the water area requirements or not, the protection capacity of the vegetation near the water area can be ...

Power internet of things time series data library division and table division method and device

The invention discloses an electric power internet of things time series data library division and table division method and device, time series data reported by side equipment is written into a database of a serial number DBj of a time series server with a serial number Si for library division, and the relationship between the side equipment and the time series server and the relationship between the side equipment and the data are written into a relational database table; respectively writing the time series data subjected to database division into different tables of the database according to the types of the time series data; and when the time sequence data is queried, according to the iotinxrelationship table, finding the corresponding serial numbers of the time sequence library server and the data, according to the type of the time sequence data, finding the corresponding table, and splicing the serial numbers of the time sequence library server and the data and the table according ...

Photovoltaic pavement based on epoxy resin concrete

The embodiment of the invention discloses a solar pavement structure based on epoxy resin concrete. The solar pavement structure comprises a transparent epoxy resin protective layer and a solar cell array, transparent epoxy resin concrete is concrete formed by combining a cementing material with epoxy resin as a raw material and glass particles obtained after colorless waste flat glass is broken as glass aggregate, and due to the fact that the material is transparent, sunlight can penetrate through a concrete layer to reach the surface of an internal solar cell module, so that the solar cell module is protected from being damaged, and the service life of the solar cell module is prolonged. The solar cell panel can convert solar energy into electric energy, and power generation is achieved. Based on the power generation principle of the solar cell panel, the transparent epoxy resin concrete is used as a protective layer, the photovoltaic power generation effect on the road surface is achieved ...

Data processing system

The invention discloses a data processing system which can be applied to the field of Internet. The data processing system comprises a client, a server and an associated client, a terminal user license agreement corresponding to the client comprises a plurality of terms, and a target user can determine terms allowed to be executed from the plurality of terms as terms permitted by the target user; and determining that the terms which are not allowed to be executed are terms prohibited by the target user. Therefore, under the condition that the target user only allows the terminal user to permit partial content of the agreement, the target user can enter the client.

FUSE CABINET

A fuse cabinet. The fuse cabinet comprises a cabinet body (101) and a fuse (102) provided in the cabinet body (101). A striker of the fuse (102) used for driving a trip mechanism (104) to act is provided on the fuse (102). The striker of the fuse (102) drives the trip mechanism (104) to perform a trip action by means of a booster mechanism (103). The booster mechanism (103) comprises a trip driving member (3), and the trip driving member (3) has an energy storage stroke and a release stroke. The booster mechanism (103) further comprises an energy storage elastic member (8) connected to the trip driving member (3) so as to apply an elastic force to the trip driving member (3) to force the trip driving member to act towards the release stroke. An energy storage completion position is provided on the energy storage stroke of the trip driving member (3). The booster mechanism (103) further comprises a locking and unlocking structure used for blocking the trip driving member (3) at the energy ...

Display panel and display device

The invention discloses a display panel and a display device. The display panel comprises a plurality of pixel units arranged in an array; each pixel unit comprises a first sub-pixel, a second sub-pixel and a third sub-pixel, and at least two different edge shapes exist; the edge shape of each pixel unit is a preset polygon, and each preset polygon comprises a plurality of concave parts and a plurality of convex parts; the concave parts can accommodate the convex parts of the adjacent preset polygons, the convex parts can extend into the concave parts of the adjacent preset polygons, and the adjacent pixel units are spliced through the concave parts and the convex parts; the geometric centers of the pixel units located in the odd-numbered rows and the geometric centers of the pixel units located in the even-numbered rows are staggered in the column direction. And/or the geometric centers of the pixel units located in the odd-numbered columns and the geometric centers of the pixel units ...

Adhesive tape box sealing device

The invention relates to the technical field of industrial packaging, in particular to an adhesive tape box sealing device which comprises a bottom frame, an adhesive tape unwinding mechanism, an adhesive tape adsorption mechanism, a three-axis mechanical arm, a rotating platform, a box body clamping mechanism, a pressing wheel mechanism and a shearing mechanism. The box body clamping mechanism moves to transfer a box body to the rotating platform in the X direction and limits the box body in the Z direction, then the rotating driving piece moves to be matched with the rotating platform to rotate by a specified number of turns, the pressing wheel mechanism ensures that an adhesive tape is attached to the side wall of the box body in the rotating process, and finally the shearing mechanism shears off the adhesive tape. According to the device, automatic operation of adhesive tape box sealing can be achieved, a large amount of labor force is saved, each box is 13 s in average, meanwhile, ...

Autologous tissue collecting device and filling device

The invention provides an autologous tissue collecting device and a filling device. The autologous tissue collecting device comprises a liposuction needle and a filling device, the first switching structure is provided with a conduction cavity; the collecting part comprises a shell, a first filtering part arranged in the shell and a pressure supply structure at least partially inserted into the shell; wherein the liposuction needle is communicated with the shell of the collecting part through the conducting cavity of the first switching structure, and the first filtering part is used for filtering the adipose tissue sucked into the shell according to the pressure formed in the shell by the pressure supply structure. According to the autologous tissue collecting device, fat extraction and purification can be achieved, the particle size of fat particles can be screened according to different filling parts, the purity of the fat particles is guaranteed, the use experience of a user is improved ...

Application of bacillus subtilis DC11 in increasing intestinal flora abundance of bombyx mori

The invention discloses application of bacillus subtilis DC11 in increasing intestinal flora abundance of bombyx mori. The bacillus subtilis DC11 disclosed by the invention is a dominant strain capable of tolerating the alkaline environment of bombyx mori intestinal tracts, can generate amylase, protease, lipase, cellulase and other digestive enzymes, and has great advantages in the aspects of promoting the growth performance of bombyx mori and improving the cut leaf conversion rate; when being applied to bombyx mori breeding, the bombyx mori strain can obviously improve the bombyx mori weight increase rate, promote the utilization of bombyx mori cellulose and increase of the spinning amount, has obvious inhibitory activity on common pathogenic bacteria such as staphylococcus aureus and escherichia coli, and has a great promotion effect on sericulture production.

Distributed energy comprehensive perception collaborative management method and system

The invention discloses a distributed energy comprehensive perception collaborative management method and system, and the method comprises the steps: carrying out distributed energy query by a user, and generating distributed energy query data; the method comprises the following steps: collecting and processing distributed energy, and generating developable distributed energy data estimation data; carrying out comprehensive perception by using distributed energy, and generating comprehensive perception data; performing risk assessment on the comprehensive perception data to generate risk assessment data; and verifying the generated data and carrying out collaborative management on the data through management. The overall data is managed through the coordination management system, so that the distributed energy can be comprehensively managed, the influence of the characteristics of intermittency, volatility and uncertainty caused by external factors such as climate, geography and environment ...

Isolation main shaft module and isolation switch using same

The invention provides an isolation main shaft module and an isolation switch using the same, and belongs to the technical field of switch equipment. The isolation main shaft module comprises an isolation main shaft, an installation cylinder arranged on the isolation main shaft and an isolation knife moving end module installed on the isolation main shaft and the installation cylinder, the isolation knife moving end module comprises an isolation moving blade and a moving end voltage-sharing piece, a shielding voltage-sharing ring is fixedly arranged in the cylinder wall of the installation cylinder, and the shielding voltage-sharing ring and the moving end voltage-sharing piece are integrally connected; or the shielding grading ring is conducted with the movable end grading piece or the isolation movable blade through the connecting piece so as to wrap and shield the annular gas gap between the isolation movable blade and the inner wall of the mounting cylinder. Through a homogenized electric ...

Image processing method for predicting ovarian cancer Ki-67 expression based on dual-energy CT

An image processing method for predicting ovarian cancer Ki-67 expression based on dual-energy CT comprises the following steps: sketching an ovarian cancer lesion area in a Ki-67 expression iodo-substance decomposition graph based on dual-energy CT to obtain a three-dimensional image of an ovarian cancer lesion; acquiring radiomics characteristics of the three-dimensional image of the ovarian cancer lesion, and acquiring representative characteristics of the radiomics characteristics of the three-dimensional image of the ovarian cancer lesion; and obtaining the quantitative score of the Ki-67 of the ovarian cancer. According to the method, a three-dimensional image of an ovarian cancer focus is obtained through a Ki-67-based dual-energy CT iodo-based substance decomposition graph; the method comprises the following steps: acquiring a three-dimensional image of an ovarian cancer lesion, extracting radiomics characteristics in the image, determining representative characteristics of the ...

DIRECTLY COATED POLYOLEFIN FILM AND PREPARATION METHOD THEREFOR

A directly coated polyolefin film and preparation method therefor, characterized in that the polyolefin film comprises a graft layer of a certain thickness, the polar element content in the graft layer is 20-35 wt%, and the film has good surface properties. The method for preparing the polyolefin film comprises the following steps: placing the surface of the polyolefin film in a plasma reaction chamber, introducing gaseous polar molecules and adjusting temperature and pressure, and performing a low temperature plasma treatment to complete a gas phase grafting reaction. The directly coated polyolefin film prepared by using the foregoing method has good printability and secure adhesion, and the surface polarity thereof can be effectively maintained.

Full-continuous carbon fiber composite transmission shaft and forming process thereof

The invention relates to the technical field of composite material transmission shafts, in particular to a full-continuous carbon fiber composite material transmission shaft and a forming process thereof.The full-continuous carbon fiber composite material transmission shaft comprises a shaft body and a flange arranged on the shaft body, and the shaft body and the flange are integrally formed through a composite material; a reinforcing area is arranged between the shaft body and the flange and used for reinforcing the connecting strength between the flange and the shaft body, the shaft body and the flange area are integrally formed in a winding mode in a full-continuous mode through a full-carbon-fiber composite material structure, composite materials are wound by multiple different angles in the reinforcing area, and therefore designability is achieved, and the structural efficiency is extremely high.

Method for detecting sweet potato leaf roll virus based on CRISPR technology

The invention provides a method for detecting sweet potato leaf roll viruses or sweet potato diseases based on a CRISPR (clustered regularly interspaced short palindromic repeats) technology. The method comprises a step of detecting by using gRNA (guide ribonucleic acid), Cas protein and a single-stranded nucleic acid detector, by screening and optimizing the gRNA, the detection efficiency is improved, and the method has a wide application prospect.

Fire -fighting equipment supporter

... 本实用新型公开了一种消防器材置物架，包括四根立柱，所述四根立柱均通过螺栓固定在地面上；立柱上方设有顶棚，立柱与顶棚通过螺栓固定连接；位于后方的两根立柱之间设有背板；背板上设有龙骨，龙骨与位于后方的两根立柱通过螺栓固定连接；背板上端左侧为消防斧放置区；背板上端右侧为消防水桶放置区；背板中部为消防铲放置区；背板下端左侧设有消防沙箱；背板下端右侧设有灭火器箱。本实用新型结构合理，对消防器材进行合理的布局，在实际应用时方便对器材的使用；不易生锈腐蚀，经久耐用；各部位之间采用螺栓连接，可以周转使用，结构稳定不易变形；具有多种灭火设备，可以扑灭不同类型的火。 ...

Marine placer sintering use method

The invention relates to the technical field of sintering, in particular to a marine placer sintering use method. The marine placer sintering use method comprises the following steps: separating marine placer, adding a binder, a flux, pulverized coal or coke powder, carrying out double-roller ball pressing, and then adding the obtained mixture and other iron-containing ore mixtures except the marine placer into a sintering pallet for sintering. The sintered mixture obtained through sintering overcomes the problem that in the prior art, the proportion of marine placer is low, the proportion of marine placer is increased, and therefore the cost is reduced.

Impact crushing type sleeve suspension device assembly

The invention provides an impact breaking type casing suspension device assembly which comprises a breaking plate, an impact sleeve, a lower cylinder, a shear pin, an upper cylinder, a shear sleeve, an elastic check ring, a spacer bush and a spring, the upper cylinder is connected with the lower cylinder, the impact sleeve is coaxially arranged in the upper cylinder in a sleeved mode, the lower end of the impact sleeve is connected with the lower cylinder, and the shear pin is connected with the upper cylinder. The upper end of the impact sleeve is connected with a shearing sleeve, the outer wall of the shearing sleeve is tightly attached to the inner wall of the upper cylinder body, a shearing pin is arranged between the shearing sleeve and the impact sleeve, and the shearing sleeve and the impact sleeve are connected and axially limited through the shearing pin; the rupture plate is arranged in the upper cylinder body and is positioned above the shearing sleeve; the spacer bush is arranged ...

Evaluation device and evaluation system for brain function condition of autistic child, and medium

The invention relates to a device and system for evaluating the brain function condition of autistic children and a medium, and the device comprises an interface which is used for obtaining a blood oxygen concentration data sequence of a target brain region of the autistic children which are collected by near-infrared brain function imaging equipment and are subjected to rehabilitation treatment when the autistic children execute a resting state task; the processor is used for determining a functional connection strength parameter of the target brain region; in one embodiment, a first brain function join strength parameter is presented in association with a frontal-temporal lobe entry, a second brain function join strength parameter is presented in association with a frontal-occipital lobe entry, and a third brain function join strength parameter is presented in association with a temporal-occipital lobe entry, a first average brain function connection strength parameter is presented in ...

Push-bending all-in-one machine

The invention discloses a pushing and bending all-in-one machine which comprises a rack and further comprises a feeding mechanism used for conveying a pipe, a pushing and bending mechanism used for pushing the pipe into a bent pipe, a flaring mechanism used for increasing the diameter of a pipe opening of the pipe and a polishing mechanism used for polishing the pipe so as to improve the precision of the pipe. The feeding mechanism, the push-bending mechanism, the flaring mechanism and the polishing mechanism are all arranged on the rack, the push-bending all-in-one machine further comprises a conveying mechanism, and the conveying mechanism comprises a conveying rail fixed to the rack and a plurality of conveying units arranged on the conveying rail; and the conveying mechanism is used for sequentially conveying the pipe from the feeding mechanism to the push bending mechanism, the flaring mechanism and the polishing mechanism for operation. According to the pushing and bending all-in-one ...

Sealed button assembly and metal seal switch equipment using same

The invention relates to the field of electric switches, in particular to a sealed button assembly and metal sealed switch equipment using the same. The sealed button assembly comprises a mounting base, the mounting base is provided with a connecting structure used for being fixedly connected with an equipment shell, the mounting base is provided with a sealing structure which is in sealing fit with the equipment shell after being fixed to the equipment shell, and the mounting base is provided with a button shaft penetrating hole used for corresponding to a penetrating hole in the equipment shell. A button shaft is slidably installed in the button shaft penetrating hole in a sealed mode, one end of the button shaft is exposed out of the equipment shell to form an operation end, and the other end of the button shaft is used for stretching into the equipment shell to form a contact end. The installation seat is fixedly installed on the equipment shell and provided with the button shaft installation ...

Method for detecting short-chain fatty acid in mouse plasma, excrement or tissue sample

The invention discloses an analysis method for rapidly detecting short-chain fatty acid in mouse plasma, excrement and tissue samples based on gas chromatography-mass spectrometry, and relates to application of analytical chemistry in clinical medical research. The method comprises the following specific steps: taking a fresh sample, adding acetonitrile to extract short-chain fatty acid, centrifuging, and analyzing in a gas chromatography-mass spectrometry instrument. The detection method disclosed by the invention can be used for simply, quickly and accurately determining the content of the short-chain fatty acid in the biological sample and eliminating the interference of other factors in an experiment on a quantitative result.

Additive that restraines biomass boiler coking

... 本实用新型公开了种抑制生物质锅炉结焦的添加剂，该添加剂的形状为圆柱状，由内芯层、中间层和外壳层组成，所述中间层包裹在所述内芯层上，所述外壳层包裹在所述中间层上，所述内芯层为CaO或Mg(OH)，所述中间层为高岭土，所述外壳层为Mg(OH)或CaO。该添加剂结构简单，能有效抑制锅炉内结焦结渣，提高锅炉的热效率和设备的利用率。 ...

Coal drop pipe capable of reducing influence of reverse air flow

The invention provides a coal drop pipe capable of reducing reverse airflow influence, which comprises a top pipe, exhaust pipes are respectively arranged on two sides of the lower end of the top pipe, a first dust filter screen is arranged at the upper end of each exhaust pipe, and a first material filter screen is arranged at the lower end of each first dust filter screen; a plurality of brackets mounted on the side wall of the exhaust pipe are arranged at the lower end of the first filter screen; a vibrating rod is arranged in each bracket; the lower ends of the two exhaust pipes are connected with a bottom pipe, the two side walls of the bottom pipe are respectively provided with an installation box communicated with the bottom pipe, a partition plate is arranged in each installation box, a driving motor is arranged on one side of each partition plate, a sleeve rod is rotatably installed on the other side of each partition plate, a screw is in threaded connection with the interior of ...

Application of signal channel in CHD drug development

The invention discloses application of a signal channel in CHD drug development, and belongs to the field of siRNA and application thereof. The invention discloses that a binding site exists between LINC00926 and miR-3194-5p, and after the LINC00926 is silenced, the expression of the miR-3194-5p is up-regulated, so that a JAK1/STAT3 signal channel is inhibited, the dysfunction of human umbilical vein endothelial cells is improved, the proliferation, migration and tube forming capacities of the human umbilical vein endothelial cells are improved, and cell apoptosis is inhibited. The invention provides a new potential target spot for treating CHD, and has obvious application prospect and economic value.

Petroleum drilling bit rotating speed measuring system

The invention provides a petroleum drilling drill bit rotating speed measuring system which comprises a drill bit main body structure and a circuit structure, and the circuit structure is fixed in the drill bit main body structure and measures required parameters of a drill bit of the drill bit main body structure. The drill bit body structure comprises a lower shell, a circuit framework and an upper connector, the lower end of the lower shell is connected with a drill bit, the upper end of the lower shell is connected with the upper connector, and the circuit framework is located in a cavity formed by the lower shell and the upper connector. The rotation speed measuring system for the petroleum drilling bit can work for a long time, and replacement of tripping is reduced. The device is compact in structure, safe, reliable, convenient to disassemble and assemble and easy to maintain.

Method for detecting sweet potato virus disease based on CRISPR technology

The invention provides a method for detecting a sweet potato virus disease based on a CRISPR (clustered regularly interspaced short palindromic repeats) technology, and particularly provides a method for detecting a sweet potato chlorotic dwarf virus or a sweet potato virus disease based on the CRISPR technology, and the method comprises the following steps: detecting by using gRNA (guide ribonucleic acid), Cas protein and a single-stranded nucleic acid detector; by screening and optimizing the gRNA, the detection efficiency is improved, and the method has a wide application prospect.

WebRTC-based method capable of previewing real-time videos in various browsers

The invention discloses a WebRTC (Web Real-Time Communication) method capable of previewing a real-time video by multiple browsers, which comprises the following steps of: firstly, packaging the WebRTC into installable software under a Windows system, embedding the packaged software into equipment, and prompting a user to download a packaged video plug-in locally and install and start when the user accesses a webpage of the equipment for the first time. After the video plug-in is installed ready, a previewed webpage is linked to the WebRTC through HTML5 and Javascript in communication processing with the WebRTC, a pull stream link is established, and real-time video-on-demand is carried out; and then, the webpage side processes communication with the video plug-in, keeps the WebRTC alive, and ensures the real-time performance and fluency of the on-demand video stream. According to the method, the webpage realized by utilizing HTML5 and Javascript and the control after packaging the java ...

Autologous tissue collecting device

The invention discloses an autologous tissue collecting and flushing device which comprises a cylindrical main body (1), a push rod (2), a first filter membrane (5) and a second filter membrane (6), one end of the push rod (2) is connected with a piston (3), the piston (3) is matched with the inner wall of the main body (1), the first filter membrane (5) is arranged at one end in the main body (1), and the first filter membrane (5) covers one part of the end face of the inner wall of the main body (1). The inner wall end face of the main body (1) is divided into a filtering space and an opening space. The sealing piece (4) is rotatably arranged on one side, opposite to the piston (3), of the first filter membrane (5) in the main body (1), and a through hole (9) is formed in the sealing piece (4). When the sealing piece (4) rotates, the through hole (9) coincides with the filtering space and the opening space in the axial direction, and the technical effect that the same through hole (9) ...

Method for evaluating shale fracturing property based on logging information of rock physics experiment

The invention relates to the field of well logging evaluation technologies for petroleum and natural gas exploration and development, in particular to a method for evaluating shale fracturing performance based on well logging information of a rock physical experiment, which comprises the following steps: S1, obtaining experimental parameters of rock fracturing performance by using a laboratory core fracturing triaxial experiment; s2, analyzing the obtained experimental parameters to obtain an analysis result; s3, combining the analysis result with the logging parameters to establish a fracturing strength model, a crack complexity model and a crack extension model; and S4, taking the analysis result as a standard scale, and establishing a fracturing index model based on the rock physics experiment by using a related model. According to the method, on the basis of a triaxial compression-resistant rock physical experiment, the three processes of pressure applying, crack opening and crack extending ...

Electronic certificate processing method and device and electronic equipment

The invention provides an electronic certificate processing method and device and electronic equipment, and the method comprises the steps: receiving a to-be-processed electronic certificate sent by a business system, obtaining the incidence relation between electronic certificates, determining whether the to-be-processed electronic certificate has an associated electronic certificate or not based on the incidence relation, and obtaining the processing progress of the associated electronic certificate if the to-be-processed electronic certificate has the associated electronic certificate, and determining an execution logic association relationship between the to-be-processed electronic certificate and the associated electronic certificate from the association relationship, and processing the to-be-processed electronic certificate and the associated electronic certificate according to the execution logic association relationship based on the processing progress of the associated electronic ...

Fusarium pseudograminearum hyperparasitic fungus and identification method thereof

The invention discloses a fusarium pseudograminearum hyperparasitic fungus, which comprises a hyperparasitic fungus KF-M. The fusarium pseudograminearum hyperparasitic fungus is separated from a fusarium pseudograminearum separated from wheat stalks in a wheat field in Henan City, Henan Province, and an identification method comprises the following steps: step 1, separating and purifying the hyperparasitic fungus KF-M. The fusarium pseudograminearum hyperparasitic fungus KF-M. The fusarium pseudograminearum hyperparasitic fungus KF-M. The fusarium pseudograminearum hyperparasitic fungus KF-M. Step 2, identifying the hyperparasitic fungi KF-M; 3, measuring the growth conditions of the hyperparasitic fungi KF-M under different culture conditions; 4, verifying a hyperparasitism phenomenon of the hyperparasitism fungi KF-M; 5, determining the influence of the parasitized hyperparasitic fungi KF-M on the host fungi; and step 6, influence on pathogenicity of host fungi after parasitism of the ...

Pre-charging circuit, control method and device based on pre-charging circuit, and vehicle

The invention provides a pre-charging circuit, a control method and device based on the pre-charging circuit, and a vehicle, the pre-charging circuit comprises a first branch circuit, the first branch circuit is electrically connected with the two ends of a power supply, and the first branch circuit comprises a first switch and a first load which are connected in series; the second branch circuit is connected with the first branch circuit in parallel, and the second branch circuit comprises a pre-charging unit, a second switch and a second load which are connected in series; and the first end of the third switch is electrically connected with the second end of the first switch, and the second end of the third switch is electrically connected with the first end of the second load. Through the pre-charging circuit, the influence of voltage acquisition precision can be eliminated to a certain extent, the precision of the pre-charging proportion is improved, the large impact on the main positive ...

Three-dimensional pot cover correction method

According to the three-dimensional pot cover correction method, basic data are obtained through operation and transformation of a pot cover calibration algorithm, the basic data are corrected through three algorithm dimensions of a focal length model, a gray scale model and a temperature model, high-precision pot cover data suitable for the current physical environment are finally obtained, and original data are corrected through the pot cover data. Therefore, a uniform infrared video image is obtained.

Detector power-on working system

A detector power-on working system relates to the technical field of detector power-on, solves the problem of training result failure in the training process of the existing detector power-on working time sequence, and comprises an imaging controller and an imaging unit, the imaging unit comprises an instruction analyzing and sending module, a time sequence control module and a training and data integration module; and the imaging controller detects the training state after each training operation is finished. Whether the training operation is finished is indicated by an indication signal indicating whether the training process is finished, the high level indicates that the training process is finished, and the low level indicates that the training process is not finished; when it is detected that training fails, the retraining operation is started, and when it is detected that training succeeds, the retraining operation is not started any more. Therefore, the influence of newly started ...

Universal serial bus (USB) charger

... 本实用新型公开了一种USB充电器，包括安装在床头墙体上的充电器主体和托盘；所述托盘位于充电器主体下方；所述充电器主体上设有多个USB充电口，每个USB充电口上方均设有一个指示灯；充电器主体上设有电源开关。本实用新型结构简单，设计合理，在每个床头设置一个带有多个USB充电口的充电器，可以同时给多个电子设备充电；充电器下设置用于放置手机的托盘，保证宿舍内的用电安全，不会因为私搭乱接不美观，不会造成火灾隐患。 ...

Remote monitoring method for non-road mobile machinery and related product thereof

The invention discloses a remote monitoring method for a non-road mobile machine and a related product thereof. The method comprises the following steps: acquiring operation related data about the operation of the non-road mobile machine at the non-road mobile machine; performing statistical analysis on the operation related data to obtain statistical values for integrally evaluating the operation and emission conditions of the non-road mobile machinery; and transmitting the statistical value to a remote platform for the remote platform to remotely monitor the non-road mobile machine. By utilizing the scheme of the invention, on one hand, the overall operation condition and pollutant emission condition of the non-road mobile machinery can be obtained, and on the other hand, the data transmission pressure of the non-road mobile machinery and the data storage pressure of a remote platform can be obviously reduced, so that the data flow cost and the data storage cost of an enterprise are reduced ...

Edible oil impurity visual detection system and use method thereof

The invention discloses a visual detection system for edible oil impurities, which is characterized in that a dynamic visual sensor is used for collecting an oil bottle bottom image, an image processing and detection related algorithm is embedded into an edge visual box, smoothing, morphological and image algebraic operation is carried out on a selected image frame, the influence of a bottle bottom is removed, and a visual detection result is obtained. And labeling an output result, and inputting the output result into a YOLO network for detection. According to the visual detection system for the edible oil impurities, the dynamic visual sensor is adopted to collect images, background color interference is reduced, the images are collected in a bottle bottom shooting mode, impurity points are more easily detected, the influence of bubbles is reduced, the collected impurity images are more comprehensive, and the minimum diameter of the detectable impurities can reach 0.2 mm.

Method for detecting sweet potato latent viruses based on CRISPR technology

The invention provides a method for detecting sweet potato latent viruses or sweet potato diseases based on a CRISPR (clustered regularly interspaced short palindromic repeats) technology. The method comprises a step of detecting by using gRNA (guide ribonucleic acid), Cas protein and a single-stranded nucleic acid detector, by screening and optimizing the gRNA, the detection efficiency is improved, and the method has a wide application prospect.

Colliery sewage centralized monitoring system based on GPRS

... 本实用新型涉及种煤矿污水集中监控系统，更具体的说基于GPRS的煤矿污水集中监控系统，方便不集中的各个厂区的集中监控和协调控制。上位机通过GPRS网络与GPRS-GSM调制解调器连接，GPRS-GSM调制解调器与PLC连接，上位机对PLC进行控制，GPRS-GSM调制解调器用于建立连接和通讯，PLC用于信息的处理。触摸屏与PLC连接，触摸屏用于信息的显示和输入。EM231、EM232、数字量输入模块和数字量输出模块的输出端均与PLC的输出端连接，EM231用于信息的采集，EM232将PLC的运算结果转换为模拟量信号，数字量输入模块用于输入各种开关信号，数字量输出模块用于控制各种设备。 ...

Quality control method of medicine for treating tumors

The invention particularly relates to a quality control method of a medicine for treating tumors, which only needs shorter time of reflux extraction and shorter time of placement in a quantitative high-temperature environment in each time of medicine determination control, and does not need to observe discoloration reaction. According to the method, the content of the target substance in the basic quality control is calculated by scanning and measuring an absorbance integral value according to a thin-layer chromatography method through a thin-layer scanning method, and then an estimated value of the content of the target substance can be obtained. And moreover, the subjective experience of an operator such as discoloration reaction does not need to be observed in the determination process, so that the determination result is more accurate, and the quality of the medicine is controlled on the basis.

Tunnel boring machine with electromagnetic impact structure on cutterhead

The invention relates to a tunnel boring machine with an electromagnetic impact structure on a cutterhead, which comprises a tunnel boring machine main body and an electromagnetic impact structure, the electromagnetic impact structure comprises a frame, an electromagnetic mechanism and an impactor mechanism, the frame is fixedly arranged on the cutter head, the electromagnetic mechanism is fixed in the frame, and the impactor mechanism is movably arranged in the electromagnetic mechanism. According to the technical scheme, the problem that in the prior art, when a tunnel boring machine conducts tunneling on hard rock, hob loss is serious is effectively solved.

Fully-closed and micro-disturbance environment-friendly dredging device and dredging method

The invention discloses a totally-closed and micro-disturbance environment-friendly dredging device and method. The totally-closed and micro-disturbance environment-friendly dredging device comprises a silt suction mechanism and a silt dewatering mechanism. The silt suction mechanism comprises a silt suction pump, a silt suction telescopic pipe, an underwater camera, a hoisting structure and the like; the sludge dewatering mechanism comprises a sludge dewatering box, and a telescopic rod, an extrusion plate, a filter plate and the like are sequentially installed in the sludge dewatering box from top to bottom. According to the invention, full-sealing, micro-disturbance and efficient dredging can be realized; specifically, dredging and sludge dewatering are conducted in a combined mode, and the process is efficient; the interior of the silt suction head is totally closed, and disturbance to water is reduced; the interior of the silt suction cover is in a negative pressure state, and the ...

Semiconductor performance test method and system

The invention relates to a semiconductor performance test method and system, belongs to the technical field of semiconductors, and solves the problem that the transport performance of carriers in a semiconductor active layer is affected by defects in a disordered dielectric layer and defects at an interface. The method comprises the steps of preparing a field effect transistor, wherein the field effect transistor comprises an air insulation layer located between a semiconductor layer to be tested and a grid electrode; along with the continuous change of the grid voltage in the test voltage range, the drain current corresponding to the grid voltage is measured, a transfer characteristic curve is drawn according to the grid voltage value in the test voltage range and the corresponding drain current value, the drain of the field effect transistor is connected with the positive power supply voltage, and the drain of the field effect transistor is connected with the negative power supply voltage ...

Day-before-day-intra-day two-stage power distribution network partition distributed rolling power flow optimization method

The invention discloses a day-ahead-day two-stage power distribution network partition distributed rolling power flow optimization method, which comprises the steps of processing high-frequency data of a power distribution network, updating real-time monitoring quantity, performing real-time communication on upstream and downstream of the power distribution network, updating each parameter of a simplified network, and performing partition distributed calculation on the simplified network. And obtaining active and reactive power output strategy actions of the distributed power supply at the moment. According to the method, the optimization calculation time can be greatly shortened, and the power distribution network loss is reduced while the renewable energy sources are effectively consumed. The local control unit can calculate self consistency variables only by carrying out a small amount of information interaction with the adjacent unit, the communication network construction cost is low ...

Extraction treatment device for unorganized emission stink organic matters in polluted land parcels

The invention relates to an extraction treatment device for unorganized emission of malodorous organic matters in a polluted land parcel, and relates to the field of soil pollution remediation and treatment. Comprising a front support used for covering in-situ repair well building drill holes; the rear bracket is positioned on one side of the front bracket; the spraying module comprises a plurality of rotatable atomization spraying heads, a spraying pump and a medicament barrel, the input end of the spraying pump is connected with the medicament barrel through a hose, and the output end of the spraying pump is connected with the rotatable atomization spraying heads through hoses; the adsorption module comprises a gas-collecting hood and an adsorption box, one end of the adsorption box is connected with the gas-collecting hood through a corrugated pipe, the other end of the adsorption box is provided with an induced draft fan, and the exhaust end of the induced draft fan is connected with ...

Application of GmSGT1 gene in control of soybean nodulation

The invention discloses application of a GmSGT1 gene in control of soybean nodulation, and belongs to the technical field of agricultural planting. In order to control the nodulation capacity of soybeans, the number of root nodules is reduced on the premise of reducing the labor cost of workers, and the technical problem that the number of the soybean root nodules is difficult to control is solved. After soybean hairy roots obtained after overexpression or mutation of the GmSGT1 gene in soybeans are provided, nodules of obtained soybean plants can be correspondingly reduced or increased after nodules are inoculated to the soybean hairy roots, and the effect of controlling the number of soybean root nodules is achieved. A foundation is provided for subsequent research on formation of a soybean-rhizobium symbiotic system, and possibility is provided for improving the symbiotic efficiency of soybeans and rhizobium.

Throttling direct-pushing controllable variable-diameter stabilizer for petroleum drilling, variable-diameter method and control method

The invention relates to the technical field of petroleum drilling, in particular to a throttling direct-pushing controllable variable-diameter stabilizer for petroleum drilling and a variable-diameter method and a control method.The stabilizer comprises an outer shell with the two ends penetrating through the interior and being hollow, a filtering short section and an isolating short section are arranged in a hollow cavity, and an executing mechanism and a plurality of variable-diameter parts are arranged on the outer shell; the executing mechanism is installed in the portion, between the filter short section and the outer shell, of the shell, the multiple reducing parts are installed in the portion, between the isolation short section and the outer shell, of the shell, and a pressure applying cavity is formed between the isolation short section and the outer shell. The executing mechanism can convey fluid flowing through the filter nipple into the pressure applying cavity to extrude the ...

Water and fertilizer mixing equipment for landscaping

The invention belongs to the technical field of water and fertilizer mixing, and discloses landscaping water and fertilizer mixing equipment which comprises a mixing shell and supporting legs evenly distributed on the outer wall of the mixing shell, the mixing shell is a hollow cavity with an opening in the upper side, and the inner bottom wall of the mixing shell is conical. The double-rotation curve type feeding uniform distribution mechanism is arranged at an opening in the upper part of the mixing shell; the subtraction lever precise automatic feeding mechanism is arranged at the upper part of the double-rotation curve type feeding uniform distribution mechanism; and the layered micro-stirring and mixing mechanism is arranged in the mixing shell. Fertilizer is evenly scattered in the mixing shell through revolution and rotation of the evenly-distributed feeding fluted disc, the fertilizer automatically falls into the mixing shell from the feeding opening and the feeding pipe according ...

Bucket -wheel stacker reclaimer double track alternaties trailer of turning back with through -put function

... 具有物料通过功能的斗轮堆取料机双轨变换折返尾车，包括：固定机架、变幅机架、变幅导轨台车、变幅驱动机构，所作的改进是：尾车与主机间的转运料斗上导料槽的后方敞口并围成下落通道，下落通道的下端连接两个导料通道，一个指向尾车接料位置，另一个指尾车前方的系统皮带，两个导料通道上端交汇处安装翻转挡板，导轨台车和变幅导机架之间增设确认变幅机架头部落料斗对准转运料斗敞口的传感器，传感器连接变幅机架停止模块。本实用新型的积极效果是：具有物料通过功能，扩大了该尾车的适用范围。与其他具有相同功能的全趴尾车相比，无冲击皮带跑偏及洒料问题。占用料场短，制造、使用成本低，主机取料时回转角度大于110度，取料范围宽。 ...

On the basis of the P channel MOSFET N channel and the voice coil motor high-speed drive system

... 基于N通道和P通道MOSFET的音圈电机高速驱动系统，涉及种音圈电机的驱动系统，解决现有采用高压领域的集成桥驱动器存在资源浪费，且导致电机无法工作等问题，主要是针对音圈电机工作电压较低工作频率高的特点，采用两个N通道和两个P通道MOSFET及相关器件组成H桥电机驱动电路。该发明采用逻辑电路避免出现上电时桥的上下臂导通，采用高速CCD驱动器输出高频强驱动信号；根据N和P通道MOSFET的开通及关闭时间不同的特点，控制器输出的驱动逻辑信号避免了在动态变化过程中上下臂同时导通；另外对驱动系统上电顺序进行了规定。本发明避免在音圈电机的动态驱动过程中驱动桥的上下臂导通功耗增大。 ...

Pathological degree prediction method and system, medium, equipment and terminal

The invention belongs to the technical field of artificial intelligence, and discloses a pathological data processing method and system, a medium, equipment and a terminal.The method comprises the steps that a feature extraction network is trained on a public medical image data set by adopting a comparative learning method, a linear classifier is added behind the feature extraction network, and after the weight of the feature extraction network is frozen, the feature extraction network is classified; and migrating the new network to a target data set for pathological data processing to train a linear classifier. According to the invention, the conditional generative adversarial network is used for learning and synthesizing a small number of categories of samples; in order to solve the problem that the fitting effect of deep learning on a small data set is poor, comparative learning and transfer learning are used for improving the feature extraction capability of a model and improving the ...

Torque test device and method for linkage torsional vibration jam freeing device

The invention discloses a torque test device and method for a linkage torsional vibration jam freezer.The torque test device comprises a base A, a base B, an oil cylinder support, a torsion resisting support, a push resisting support and a swing oil cylinder, the base A is fixedly connected with the base B, a guide rail is arranged on the base A, the oil cylinder support is fixed to the base A, a main push oil cylinder is arranged on the oil cylinder support, and a main push oil cylinder is arranged on the main push oil cylinder. A hydraulic rod end of the main pushing oil cylinder is connected with a torsion resisting support, the bottom of the torsion resisting support is fixed on a guide rail and can slide along the guide rail in a reciprocating mode, the other end of the torsion resisting support is connected with a tested workpiece, the other end of the tested workpiece is connected with a pushing resisting support, the pushing resisting support is fixedly connected to a base B, and ...

Enameling machine catalysis block cleaning pretreatment equipment

The invention discloses an enamelling machine catalysis block cleaning pretreatment device, and relates to the technical field of enamelled wire production. Comprising a working table, a lower pressing head, an upper pressing head and a lower pressing head, wherein the working table is provided with a catalytic block with a regular hexagonal hole; the lower pressing head is mounted on a U-shaped frame and is used for scraping cakes in the hexagonal hole; the two reciprocating motion units are installed between the U-shaped frame and the lower pressing head and used for driving the lower pressing head to move up and down, and the driving motor is used for driving the lower pressing head and the two reciprocating motion units to move. When the cutting edge is used for cutting large impurities in a hole, the cutting edge moving up and down can rapidly and repeatedly collide with the impurities, the fixed impurities on the cutting edge can vibrate due to the collision, the solid impurities ...

Adjustable telescopic plate

The adjustable telescopic plate comprises an outer insulating plate, a through groove penetrating through the side face of the outer insulating plate is formed in the outer insulating plate, and a driving assembly is rotationally connected to the outer insulating plate in the direction perpendicular to the forming direction of the through groove; and the number of the inner insulating plates is two, the two inner insulating plates are symmetrically arranged in the through groove, the driving assembly is in transmission connection with the two inner insulating plates, and the driving assembly is used for driving the two inner insulating plates to stretch out of the two sides of the through groove correspondingly. By operating the driving assembly on the outer insulating plate, the two inner insulating plates in sliding connection in the outer insulating plate extend out or retract from the two sides of the outer insulating plate, the length of the outer insulating plate can be conveniently ...

Assembly structure and assembly method of display frame

The invention relates to the technical field of displayer assembling, in particular to an assembling structure and method for a displayer frame, the assembling structure comprises a base, a display screen is fixedly installed in the middle of the front side of the base, and a fixing block is further fixedly installed on the base; the frame body is of an annular structure, the assembling mechanism comprises a plurality of clamping pieces movably connected to the base, and through grooves are formed in the middles of the clamping pieces in a penetrating mode; the lap joint piece is fixedly mounted on the frame body and corresponds to the clamping piece in position, and a second arc-shaped surface is formed on the outer wall of the lap joint piece; the assembling mechanism further comprises a first clamping plate movably connected into the fixing block, and the first clamping plate is connected with the fixing block through a second elastic bag. By means of the clamping relation between the ...

Method for detecting sweet potato chlorotic spot virus based on CRISPR technology

The invention provides a method for detecting sweet potato chlorotic spot viruses or sweet potato diseases based on a CRISPR (clustered regularly interspaced short palindromic repeats) technology. The method comprises a step of detecting by using gRNA (guide ribonucleic acid), Cas protein and a single-stranded nucleic acid detector, by screening and optimizing the gRNA, the detection efficiency is improved, and the method has a wide application prospect.

Well drilling construction difficulty evaluation method based on analytic hierarchy process

The invention belongs to the technical field of oil and gas field drilling, and particularly relates to a drilling construction difficulty evaluation method based on an analytic hierarchy process. The invention discloses a drilling construction difficulty evaluation method based on an analytic hierarchy process. The method comprises the following steps: collecting main control parameters influencing the drilling construction difficulty; constructing a hierarchical structure model for drilling construction difficulty evaluation; constructing a judgment matrix; calculating a relative weight value of each parameter representing a drilling construction difficulty main control parameter in the judgment matrix; according to the obtained relative weight values, layer-by-layer upward cumulative summation is carried out, a single well difficulty coefficient is obtained, and then single well drilling construction difficulty evaluation is carried out. By establishing the hierarchical structure model ...

Evaporation source and evaporation device

The invention discloses an evaporation source and an evaporation device. The evaporation source comprises a crucible body and an inner pressing plate, and the crucible body is provided with an outlet facing the surface of a substrate to be evaporated; the inner pressing plate is movably arranged in the crucible body to form a containing cavity with the crucible body, and evaporation holes are formed in the inner pressing plate. According to the evaporation source, in the vacuum evaporation process, the evaporation material can generate certain internal pressure in the crucible body during evaporation, the internal pressing plate is movably arranged in the crucible body, and the size of the containing cavity in the crucible body can be adjusted through movement of the internal pressing plate relative to the crucible body, so that the internal pressure generated during evaporation can be balanced; the inner pressure in the accommodating cavity is maintained in a stable range, so that the ...

Sediment sampler carried on basis of unmanned aerial vehicle

The invention relates to the technical field of sediment sampling, and discloses an unmanned aerial vehicle carrying-based sediment sampler which comprises an unmanned aerial vehicle body, a positioner and a controller are mounted in the unmanned aerial vehicle body, a mounting shell is mounted at the bottom of the unmanned aerial vehicle body, and a winding mechanism is arranged in the mounting shell. When the unmanned aerial vehicle is used, the unmanned aerial vehicle body drives the sampling shell to move to a selected position on the water surface, the sampling shell and the movable seat are submerged in water, and when water flow impacts the inner arc surfaces of the arc-shaped side wings, the movable seat rotates under the impact effect and is adjusted to the outer arc surfaces of the arc-shaped side wings to correspond to the water flow impact direction; the flow guide protrusions guide water flow flowing to the movable seat, impact force of the water flow to the movable seat is ...

Novel swimming life -buoy

... 本实用新型公开了一种新型泳圈，包括泳圈本体，还包括调节带和用于调整调节带长度的调节扣，所述调节扣设在泳圈本体上，所述调节带一端设在泳圈本体上，调节带另一端设在调节扣上。该泳圈可通过调节带进行伸缩调节，可根据使用者的体态进行调节，改变泳圈直径尺寸，满足人们的不同使用需求，使用方便，实用性强。 ...

Pixel arrangement structure, display panel and mask assembly

The invention discloses a pixel arrangement structure, a display panel and a mask assembly. The pixel arrangement structure comprises a first pixel group, a second pixel group and a third sub-pixel. Every two first sub-pixels arranged at intervals in the column direction form a first pixel group, the multiple first pixel groups are distributed in multiple columns, and every two second sub-pixels arranged at intervals in the row direction form a second pixel group. The third sub-pixel is located in an abdicating space defined by the first sub-pixel and the second sub-pixel. Two adjacent columns of first pixel groups are arranged in a staggered mode, two adjacent rows of second pixel groups are arranged in a staggered mode, the first pixel groups are correspondingly arranged between two adjacent second pixel groups, the second pixel groups are correspondingly arranged between two adjacent first pixel groups, the first sub-pixels and the second sub-pixels are arranged more compactly, the physical ...

Sintering mixing method for improving strength of sintering drum

The invention provides a sintering mixing method for improving the strength of a sintering drum, which comprises the following steps: detecting three indexes of assimilation temperature, liquid phase fluidity index and binding phase strength of high-temperature sintering of iron ore, assigning scores according to detection results, and respectively assigning different weights to obtain a comprehensive performance indication value; screening out ores with high sintering performance, independently crushing the ores, and sintering the ores in the later stage of mixing and granulating; the method is simple and high in operability, the iron ore with the optimal sintering performance can be screened out and added in the later stage of sintering mixed material granulation after being crushed, the effect of segregation of large-component uniform and fine mixed material particle ore seeds can be achieved, the surface layers of the mixed material particles and fine powder are mainly iron ore powder ...

Conductor paste for chip resistor electrode

The invention discloses conductor paste for a chip resistor electrode. The conductor paste comprises 60%-75% of silver powder, 15%-30% of a binder, 5%-15% of an organic carrier, 0.1%-3% of a surfactant and 1%-5% of a diluent; the binder is a homogeneous phase formed by heating, stirring and dispersing 30%-60% of an organic compound, 1%-3% of organic resin and 39%-69% of an organic solvent by a high-speed disperser at the temperature of 50-60 DEG C; and the organic compound is a mixture of organic aluminum, organic calcium, organic sodium, organic bismuth, organic zinc, organic copper, organic silicon and organic boron. When the conductor paste is used as an electrode material of the chip resistor, the conductor paste has good conductivity, reliability and precision printing performance, and compared with traditional chip resistor silver conductor paste, the conductor paste has lower cost and applicability.

Chinese yew cuttage device of growing seedlings

... 本实用新型公开了一种红豆杉扦插育苗装置包括履带部、支撑部、滑轨部、滑块部、支架、齿轮齿条部、扦插部、杉苗架、喷洒部和控制部。所述履带部为本装置的载体，在控制部对履带部的履带电机进行控制，进而控制履带部的运动。所述支撑部和控制部固定于履带部上端，所述滑轨部固定于支撑部顶端，所述滑块部与滑轨部连接，滑块部可在滑轨部上滑动，所述支架固定在滑块部上，多数齿轮齿条部固定于支架的侧端，所述扦插部固定于齿轮齿条部下端。所述扦插部夹持杉苗架进行扦插。所述喷洒部固定于履带部上，喷头固定于扦插部下端。有效提高红豆杉苗的成活率，告别传统的经验式扦插育苗，实现科学量化的扦插育苗。 ...

Method for inhibiting ignition impact of thrust chamber of hydrogen-oxygen rocket engine

The invention discloses a method for restraining ignition impact of a thrust chamber of a hydrogen-oxygen rocket engine. The method comprises the steps that the opening time T of an oxygen main valve is determined; determining the blow-off flow Q when the helium is used for blow-off; determining the pressure P of the fuel tank; a fuel main valve is opened, and a fuel storage tank is controlled to inject liquid hydrogen at the pressure P; liquid hydrogen enters an inner cavity of the thrust chamber after passing through the fuel main valve, the cooling jacket and the fuel head cavity; after the time of T-0.1 s, the thrust chamber igniter ignites; opening an oxygen main valve after 0.1 s, and enabling the liquid oxygen to enter an inner cavity of a thrust chamber after passing through an oxygen inlet, the oxygen main valve and an oxidizing agent head cavity; when the fuel and the oxidizing agent in the inner cavity of the thrust chamber reach the ignition mixing ratio, ignition of the thrust ...

Lens inspection method and system based on synthetic aperture focusing technology

The invention provides a synthetic aperture focusing technology-based lens inspection method and system, and the method comprises the steps: sequentially transmitting ultrasonic pulses to a detection region of a to-be-detected lens through all array elements of an ultrasonic array transducer; a corresponding echo signal is obtained; processing the echo signal by adopting a self-adaptive signal superposition algorithm to obtain an ultrasonic waveform of the detection area; and comparing the waveform of the detection area with the waveform of the lossless lens, and judging whether defects exist or not. Compared with the prior art, the ultrasonic array transducer is used for transmitting and receiving ultrasonic waves, the echo waveform of the ultrasonic waves can be obviously changed under the condition that the thicknesses or gaps of the lenses are different (namely, the air medium is increased), and compared with an optical testing system in the prior art, the optical testing system has ...

Micro-flow femoral pump

The invention discloses a micro-flow femoral pump, which is characterized in that a fractured femoral head and a fractured femoral diameter are fixed by a hollow bone nail, so that a patient can recover exercise ability in a short time, the hollow bone nail is connected with the internal micro-flow femoral pump, suction is performed in a bone cavity, negative pressure is formed, the fractured femoral head and the fractured femoral diameter are promoted to heal, and the patient is helped to recover quickly. And normal life can be recovered as soon as possible. The micro-flow femoral pump can relieve the pain of a patient in the recovery process, relieve the pressure of nursing personnel and save the time cost of the patient and a hospital. The device is applied to the recovery process of human femoral head fractures and bone fractures, a patient can recover the athletic ability within a short time, and the recovery time can be shortened through long-term implantation treatment.

Active power distribution network automatic composition method for distributed new energy power supply access

The invention provides an automatic composition method for an active power distribution network accessed by a distributed new energy power supply. The method is technically characterized in that main and distribution network models are spliced based on a main network and distribution network scheduling operation system equipment ledger and a topological relation; carrying out power supply point ledger standard carding, and matching grid-connected point information; constructing a grid-connected point internet access path topological relation, automatically realizing distributed new energy power supply internet access path topological correlation analysis, and checking a graph-model topological relation; and automatically drawing an active power distribution network system diagram according to the topological incidence relation among the main network, the distribution network and the distributed power supply low-voltage equipment. According to the automatic composition method for the active ...

Microbial fuel cell with modified metal complex coating catalyst

The simple double-chamber microbial fuel cell comprises a cell body and an external circuit. Wherein facultative anaerobic bacteria are inoculated in the anode liquid of the battery body and mainly face to the preparation of a complex coating of an electrode. The metal complex coating electrode has the advantages of low price and high efficiency. The invention provides the microbial fuel cell of the modified metal complex coating catalyst, the efficiency and the stability of the microbial fuel cell can be improved, and the microbial fuel cell has a wide application prospect. The bottleneck problem of a traditional catalyst preparation method can be solved, better electrocatalytic activity and stability are achieved, and important technical support can be provided for industrial application of microbial fuel cells. It needs to be explained that the implementation of the invention is not limited to the above specific embodiments, and other materials and methods can also be adopted for improvement ...

Compound temperature-resistant plugging slurry as well as preparation method and application thereof

The invention provides compound temperature-resistant leaking stoppage slurry and a preparation method and application thereof.The compound temperature-resistant leaking stoppage slurry is prepared from a combination of specific parts of macromolecular water-absorbing gel, bentonite, sodium carbonate and a composite leaking stoppage agent, through matching of the specific components, the obtained leaking stoppage slurry has toughness and deformable characteristics after absorbing water and expanding, and the leaking stoppage slurry can be used for leaking stoppage. Furthermore, a good plugging effect can be achieved on formation cracks of different sizes and leakage loss of different types, and a good plugging effect can be achieved no matter in fresh water or saline water; meanwhile, a slurry tank and a pipeline do not need to be cleaned before and after the plugging slurry is prepared, the prepared plugging slurry can be directly added into the slurry tank for use and can also be directly ...

Partitioned arc-shaped anode microbial fuel cell with protection buffer in anode

The embodiment of the invention discloses a partitioned arc-shaped anode microbial fuel cell with protection buffer in an anode. The battery comprises a battery body, a reservoir and a pretreatment device, the battery body is divided into an inner layer and an outer layer, the inner layer is a cathode chamber, the outer layer is an anode chamber, the anode chamber is divided into six partitions, each partition is divided into three stages, and the chambers are separated by small-particle-size screens; the first stage of the anode generates power through anaerobic fermentation, the second stage of the anode treats diffused oxygen, and the third stage of the anode aerobically decomposes residual pollutants; a sludge discharge port is formed in the bottom of the anode first stage; the partitioned anodes are arc-shaped; the treated sewage is converged and discharged from the bottom of the cathode; the cathode material is a graphite rod, and the anode material is a carbon nanomaterial. The pretreatment ...

Whole-process closed-loop programmed cooperative control method for power distribution network

The invention discloses a whole-process closed-loop programmed cooperative control method for a power distribution network, and the method comprises the steps: enabling a power distribution network OMS to carry out the linkage of a programmed operation command and a business document, and enabling a basic programmed operation condition to be provided through the programmed operation command, and enabling a power distribution network to apply for a business programmed cooperative control method. A distribution network to power supply business programmed cooperative control method, a dispatching command business programmed cooperative control method and a deployment place distribution network system are interacted to realize programmed control. According to the method, automatic programmed cooperative control, automatic equipment state verification, automatic programmed control execution and the like are supported, dispatchers are liberated from heavy dispatching instruction compiling, dispatching ...

Appurtenance convenient to sticky tape uses

... 本实用新型公开了一种便于胶带使用的辅助工具，包括支撑架和竖直设于支撑架两端的两个固定板，所述固定板远离支撑架的一端设有朝向另一固定板水平运动的伸缩机构，所述辅助工具还包括使支撑架的两端沿两个固定板的一端朝向另一端升降运动的升降机构。本实用新型通过升降装置的拉伸升降进行调节高度，通过伸缩机构伸缩到适应胶带的宽度需求，从而实现辅助工具的高、宽达到对胶带的适应性需求，达到方便裁剪合适大小胶带的工作要求。 ...

一种用于片式电阻器电极的导体浆料

... 本发明公开了一种用于片式电阻器电极的导体浆料，其包含60%～75%银粉、15%～30%粘结剂、5%～15%有机载体、0.1%～3%表面活性剂、1%～5%稀释剂；所述粘结剂是由30%～60%有机化合物、1%～3%有机树脂、39%～69%有机溶剂经高速分散器50～60℃加热搅拌分散形成的均一相；所述有机化合物为有机铝、有机钙、有机钠、有机铋、有机锌、有机铜、有机硅、有机硼的混合物。本发明导体浆料用于片式电阻器的电极材料时具有良好的导电性、可靠性和精密印刷性，并且相比于传统的片式电阻器银导体浆料具有更低的成本和适用性。 ...

Method for treating endocrine disrupter in water by catalyzing peracetic acid through layered hydrotalcite material

The invention discloses a method for treating endocrine disrupters in water by catalyzing peracetic acid with a layered hydrotalcite material, belongs to the technical field of advanced oxidation, and relates to a method for removing endocrine disrupters in water. The invention aims to solve the problems of poor degradation efficiency, short catalyst service cycle and high degradation cost in the existing method for degrading endocrine disrupters in water by singly using a peracetic acid oxidizing agent. The method comprises the following steps: 1, preparing a metal salt solution; 2, preparing a mixed solution of sodium hydroxide and sodium carbonate; 3, preparing gel; 4, aging; and 5, adding the layered hydrotalcite material and peracetic acid into the wastewater containing the endocrine disrupter to degrade the endocrine disrupter. The degradation rate of endocrine disrupters in water within 30 minutes can reach 100%. The method is suitable for degrading the endocrine disrupter.