人字拖（2226）

Preparation method of low-oxygen monocrystalline silicon for insulated gate bipolar transistor (IGBT)

The invention provides a preparation method of low-oxygen monocrystalline silicon for an IGBT (Insulated Gate Bipolar Translator), and relates to the technical field of monocrystalline silicon preparation methods, when a crystal bar with the diameter of more than 200mm is drawn, in a material melting step, the bottom of a heating area of a heater and the liquid level of a silicon solution are positioned on the same horizontal line, feeding is carried out for multiple times, and after material melting is finished, in the whole crystal pulling stage, the crystal bar with the diameter of more than 200mm is drawn; a heater is adjusted to rise by a first preset distance, so that a heating area of the heater is located above the liquid level of the silicon solution, and the oxygen content in the early stage of crystal pulling is reduced; in the rising process of the heater, applying a horizontal magnetic field, and adjusting the horizontal magnetic field to descend to a second preset distance ...

宠物玩具灯（YT-MZ-77）

Ecological dredging integrated equipment for polluted bottom mud of rivers and lakes

The invention discloses river and lake polluted bottom mud ecological desilting integrated equipment, and belongs to the technical field of desilting equipment, the river and lake polluted bottom mud ecological desilting integrated equipment comprises a ship body, a square groove is formed in the surface of the ship body, a sludge suction pump is fixedly mounted in the square groove, and a sludge suction pipe is fixedly mounted on the lower surface of the sludge suction pump and extends to the lower surface of the ship body; the sludge conveying pipe is arranged on one side of the ship body, a biological fishing assembly is fixedly installed at the bow position of the ship body, a cleaning water tank is fixedly installed in the square groove and located on one side of the sludge suction pump, and an underwater loudspeaking fish driving device is fixedly installed on the lower surface of the ship body. And the situation that pollutants attached to the surface of the sludge diffuse into rivers ...

Load balancing method and device for hardware resources, equipment and storage medium

The invention provides a load balancing method and device for hardware resources, equipment and a storage medium, and the method comprises the steps: receiving a data processing request which comprises to-be-processed data; in a hardware resource table, hardware meeting the load condition is searched for as target hardware, the hardware resource table is used for recording all the used hardware and the current load score of the hardware, and the current load score is used for representing the workload processed by the hardware at the current moment; and the target hardware is adopted to process the to-be-processed data, so that the conditions of overhigh hardware load and data processing delay caused by simultaneous operation of multiple processes can be avoided, and hardware resources can be automatically determined for data processing according to the current load state of the hardware.

Construction progress dynamic management system based on BIM technology

The invention discloses a construction progress dynamic management system based on a BIM technology, and relates to the technical field of project management, the management system comprises a construction model establishment module, a construction monitoring input module and a dynamic management module; the construction model building module comprises a construction period database, a construction period distribution dividing unit and a progress coefficient model building unit, and a plurality of construction period progress data of the same construction type are stored in the construction period database; the construction period distribution dividing unit is configured with a construction period distribution processing strategy, a basic reference model can be established based on existing construction projects of the same type, a corresponding progress comparison result is obtained through comparison with the reference model, the accuracy of construction progress management judgment and ...

Bamboo china tea -pot

... 本实用新型提供了一种竹瓷茶壶，其包括陶瓷茶壶本体，陶瓷茶壶本体上方设有壶嘴，陶瓷茶壶本体上部与壶盖连接，所述陶瓷茶壶本体下方设有底部支撑件，陶瓷茶壶本体的下端通过支架与底部支撑件连接，所述陶瓷茶壶本体的外立面嵌有竹制保护套，所述竹制保护套的底端嵌于底部支撑件的周边。本实用新型省去了手柄，节省了体积，使用过程中不会烫到手，使用方便，也不会烫坏台布，结构牢固美观。 ...

Compact shelving moving method and device based on current control, electronic equipment and medium

The invention relates to the field of automatic control technologies, in particular to a compact shelving moving method and device based on current control, electronic equipment and a medium. The compact shelving moving method based on current control is executed by electronic equipment, the electronic equipment is connected with a driving device, the driving device is used for controlling each goods shelf to move under the driving of driving current, and the method comprises the steps that when an archive taking and placing instruction is received, the goods shelf where archives are to be placed or located is determined, determining the shelf as a target shelf, wherein the file taking and placing instruction is used for representing an instruction input when the user wants to check or place the file; based on the target goods shelf, determining to-be-moved goods shelves corresponding to the target goods shelf and to-be-moved positions corresponding to the to-be-moved goods shelves; and ...

Heating furnace device and heating system thereof

A heating furnace device mainly comprises a heating furnace body, an auxiliary heating system and a central control system. Wherein the heat treatment heating furnace body comprises an air burner and channel, a gas burner and channel, a reversing valve and the like; the auxiliary heating system comprises a movable base, a driving rotating roller, a driven rotating roller, an auxiliary flame burner, a motor and the like; the central control system can adjust the sizes of auxiliary flames in different areas according to the difference of temperature fed back by thermocouples at all positions in the furnace in different heating periods. Blanks rotate at a constant speed by additionally arranging the rotating rollers, so that all parts of the cylindrical surfaces of the blanks are subjected to convective heat transfer and radiative heat transfer effects of high-temperature furnace gas at the upper part of the heating furnace, and uniform heating of the blanks is ensured; meanwhile, the rotating ...

Electrical switch locking device

... 本实用新型公开了种电气开关锁定装置，包括箱体，所述推杆位于活动杆下部的偏左侧，所述锁定装置内腔的左侧安装有固定块，所述固定块位于旋转块的偏左侧，所述锁定装置内腔的底端安装有开关，所述开关的上端安装有弹性片，所述开关的左侧安装有液压缸，所述液压缸的前端滑接在啮合齿表面设有的滑槽的内腔中，所述啮合齿安装在转轴的外侧，该电气开关锁定装置先通过推杆推动活动杆，同时通过锁孔扭动旋转块，利用第挂钩摆动触碰到弹性片，通过开关控制液压缸，并由液压缸的杆体与啮合齿配合进行控制装置的开与关，比现有简单的锁定装置更加安全，也不会无论谁都可以轻易打开，可能会造成安全隐患的问题。 ...

SAFETY TIRE CAPABLE OF PREVENTING FOUR TYPES OF SAFETY HAZARDS

A =safety tire capable of preventing four types of safety hazards, comprising a conductive tread rubber layer (1), a supporting rubber layer (2), a tire anti-explosion rubber layer (3) and a memory chip (4), wherein the conductive tread rubber layer (1) is a strip of narrow conductive rubber embedded in a tread, and penetrates into an inner crown strip, or conductive special materials with carbon nano tubes or graphene added to a tread formula; the supporting rubber layer (2) is a layer of rubber, the cross-section thereof being in the shape of half a willow leaf, pasted to an inner wall of a tire side during formation of a tire; the tire anti-explosion rubber layer (3) is an anti-explosion layer added at an outer side of an airtight layer on an inner side of a grounding tread of the tire; and the memory chip (4) is a special chip organization implanted at the tire side part of the tire on the basis that tire performance is not affected. According to the present invention, a conductive ...

METHOD AND BASE STATION FOR CLOSED LOOP POWER CONTROL IN A FREQUENCY HOPPING SYSTEM

The present invention discloses a method and a base station for closed loop power control in a frequency hopping system. The method includes the following steps: for a frequency point of each time slot of a current frame, the base station determines a power calibration value of the frequency point according to a forward power feedback value of the frequency point (S102); the base station performs closed loop power control to the frequency point according to the power calibration value (S104). The present invention achieves the effects of improving the stability of power output of the frequency hopping system, reducing the network co-channel interference and improving the wireless network environment quality.

MAGNETIC RANDOM ACCESS MEMORY AND DEVICE, AND READ-WRITE CONTROL METHOD

A magnetic random access memory and device, and a read-write control method. The magnetic random access memory comprises: a ferroelectric layer (110); a dielectric layer (120) provided above the ferroelectric layer (110); and a magnetic tunnel junction, wherein at least one part of the magnetic tunnel junction is provided on the dielectric layer (120). The present invention can significantly improve the interface effect of the dielectric layer (120) and the magnetic tunnel junction, thereby greatly improving a VCMA effect provided for the magnetic tunnel junction, and further optimizing the performance of the magnetic random access memory, such as power consumption, a writing speed, and thermal stability.

Glass optical fiber with ultra-large core diameter and manufacturing method thereof

The embodiment of the invention discloses a glass optical fiber with an ultra-large core diameter and a manufacturing method, the glass optical fiber with the ultra-large core diameter comprises multi-component core layer glass and cladding glass, the cladding glass is cylindrical, and a through hole is formed in the cladding glass in the length direction; the multi-component core layer glass is cylindrical, the shape of the multi-component core layer glass is matched with the shape of the through hole of the cladding glass, and the multi-component core layer glass is arranged in the through hole of the cladding glass. The multi-component core layer glass is arranged in the cladding layer glass, so that the fiber core radius and the cladding layer radius of the glass optical fiber can be improved, the stimulated Brillouin threshold value of the high-power single-frequency narrow-linewidth optical fiber laser is further improved, and the problems of various optical nonlinear effects and ...

STREAMLINE WAVY FIN FOR FINNED TUBE HEAT EXCHANGER

Disclosed is a streamline wavy fin for a finned tube heat exchanger, comprising a fin body (1), wherein an airflow inlet (3) is formed at one end of the fin body (1), an airflow outlet (4) is formed at the other end thereof, a mounting hole (2) for mounting a tube bundle is arranged in the fin body (1), several convex ripples (11) and concave ripples (12) arranged at intervals are continuously formed on the fin body (1) in an airflow streamline direction from the airflow inlet (3) to the airflow outlet (4), and both a wave crest connecting line (5) of the convex ripples (11) and a wave trough connecting line (6) of the concave ripples (12) are streamlines, so that the detachment of fluid at the tail of a circular tube is effectively inhibited, and the flow pressure loss is significantly reduced; and meanwhile, the surface area of a fin is increased, the fin-side heat-transfer thermal resistance is reduced, and the streamline flow of the fluid enables a backflow region to not be easily generated ...

Service configuration method and system based on Tomcat, terminal and storage medium

The invention relates to a Tomcat-based service configuration method and system, a terminal and a storage medium, and belongs to the technical field of computers, and the method comprises the following steps: obtaining a target software program; establishing a data interface according to the target software program; and generating result data according to the successfully established data interface. Therefore, when the system platform has the requirement for replacing the software program, the corresponding target software program can be matched for the system platform and replaced, so that the expenditure caused by respectively establishing the software program in a plurality of system platforms can be avoided, and the method has the effect of reducing the cost of cross-platform multiplexing of the software program.

THREE-DIMENSIONAL CULTURE METHOD FOR LARGE-SCALE PREPARATION OF STEM CELLS

A three-dimensional culture method for large-scale preparation of stem cells, comprising a three-dimensional microcarrier-based cell resuscitation method, a three-dimensional microcarrier cell culture-based in situ passage method, a three-dimensional microcarrier in situ freeze preservation method for cells, a three-dimensional microcarrier cell adsorption culture method, a method for harvesting cells on a three-dimensional microcarrier, a method for sampling cells cultured on a microcarrier, and a three-dimensional microcarrier-based cell large-scale expansion method.

Reliable energy harvesting routing method and system in HBH retransmission mode

The invention belongs to the technical field of communication, and discloses a reliable energy harvesting routing method and system in an HBH retransmission mode, and the method comprises the steps: building a system scene model, and determining equipment model composition and a system working model; modeling of an HBH retransmission mode and modeling of equipment energy harvesting are carried out respectively; modeling of a reliable energy harvesting routing weight and a reliable energy harvesting routing weight based on the electric quantity of the data collection terminal is carried out; determining a corresponding energy harvesting route by using a reliable energy harvesting routing algorithm and continuation of the reliable energy harvesting routing algorithm; and under the condition of analyzing the electric quantity of the data collection terminal, determining a corresponding energy harvesting route by utilizing a reliable energy harvesting routing algorithm and continuation of the ...

Construction inspection system, construction inspection method and inspection equipment

The invention is suitable for the technical field of Internet of Things, and provides a construction inspection system, a construction inspection method and inspection equipment, and the construction inspection system comprises the inspection equipment and rear-end equipment; the back-end equipment is used for receiving the current video data and the current positioning coordinates collected by the inspection equipment, and displaying the current video data and the current positioning coordinates to a user; the back-end equipment is used for receiving historical inspection information input by a user; the inspection equipment is used for receiving the positioning signal sent by the base station and calculating the current positioning coordinate of the inspection equipment; the inspection equipment is used for determining whether inspection of the historical abnormal place is completed according to the trajectory data and the current video data. According to the inspection system, the real-time ...

Data synchronization method and system, server and storage medium

The invention discloses a data synchronization method and system, a server and a storage medium, and relates to the technical field of data synchronization. The data synchronization method is used for synchronously updating data between a source database and a target database, and comprises the following steps: a production end writes updated data in the source database into an intermediate table, and the data synchronization state of the updated data written into the intermediate table is unsynchronized; the production end scans the target data of which the data synchronization state is not synchronized in the intermediate table, and sends the target data to a message queue; and the consumption end consumes the data in the message queue and writes the consumed data into the target database. According to the data synchronization method and system, the server and the storage medium disclosed by the invention, the data synchronization update between the source database and the target database ...

Pulse fiber laser with low time-frequency domain ASE noise

The invention provides a pulse fiber laser with low time-frequency domain ASE noise. The pulse fiber laser comprises a seed source, a first pumping source, a wavelength division multiplexer, a first gain fiber and a filtering structure, wherein the wavelength division multiplexer is used for combining and transmitting seed light emitted by the seed source and first pump light emitted by the pump source; the first gain optical fiber is used for performing pre-amplification-stage gain on the combined light output by the wavelength division multiplexer; and the filtering structure is used for filtering ASE noise in a time domain and a frequency domain in the combined light and outputting the processed pre-amplification stage optical signal. According to the laser provided by the invention, ASE components in a time domain and a frequency domain are filtered by arranging the fiber bragg grating or the band-pass filter and the acousto-optic modulator door opening time sequence signal, so that ...

A device for construction equipment on water migration

... 本实用新型涉及种用于水上施工设备迁移的装置。本实用新型的目的是提供种结构简单、制作方便且成本低廉的用于水上施工设备迁移的装置。本实用新型的技术方案是：用于水上施工设备迁移的装置，其特征在于：所述装置包括沿轴向顺序连接的升降单元、动力控制单元和个或若干个传动平滑单元，其中：升降单元包括组排列方向与装置轴向垂直的千斤顶和安装千斤顶的底板；动力控制单元包括凹球型顶板、履带、柱形钢架和滚动轴；传动平滑单元包括组平面滑动滚轴和网柱形钢架，平面滑动滚轴安装在网柱形钢架上面并与所述履带的高度相当；所述柱形钢架与网柱形钢架之间通过铰链连接。附属于岩土工程及钻探工程水上施工平台。 ...

Analysis method for judging gas bearing condition of unknown shale reservoir

The invention discloses an analysis method for judging the gas bearing condition of an unknown shale reservoir, which comprises the following steps of: S1, selecting the shale reservoir of a certain target layer section, and collecting core related parameter data of a known shale gas-bearing reservoir A and a shale water-bearing reservoir B, S2, respectively solving average values of various parameters of the gas-bearing reservoir A and the water-bearing reservoir B; s3, solving an average difference value of various parameters of the gas-containing reservoir A and the water-containing reservoir B; s4, solving covariance values of various parameters according to the various parameters of the gas-containing reservoir A and the water-containing reservoir B; s5, establishing an equation set according to the covariance value, and solving a discrimination coefficient; s6, establishing a discriminant equation according to the discriminant coefficient, and solving a discriminant index Yc; and ...

Limited space loosening and tightening device

The invention discloses a limited space loosening and tightening device and aims to solve the technical problem that a wrench is inconvenient and unsafe to operate in a narrow space in the prior art. Comprising a support, a worm wheel, a first worm, a second worm and a directional seat, wherein the worm wheel can be clamped with a universal ratchet wheel sleeve and is rotatably mounted on the top surface of the support; the first worm and the second worm are respectively arranged on two opposite sides of the worm wheel and are meshed with the worm wheel; the directional seat is vertically arranged at one end of the top surface of the support; one end of the first worm and one end of the second worm are rotatably installed on the side face of the support, the other end of the first worm and the other end of the second worm are connected with a gear set, the gear set is rotatably installed on the orientation plate through a gear shaft, and the end of the gear shaft extends out of the outer ...

Data creation method and device, electronic equipment and computer readable storage medium

The embodiment of the invention provides a data creation method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of computers. A target network request input by a user based on a browser is obtained; the target network request is a network request successfully requesting the test data; analyzing the target network request to obtain a request address and a request parameter in the target network request; and according to the request address and the request parameter, circularly initiating a new network request until the number of the obtained test data reaches a set creation number. According to the method, a user does not need to compile scripts, analyze request parameters and manually add the request parameters to the scripts, the threshold of batch data creation is reduced, and the workload of the user is reduced. Moreover, the batch data creation is realized in the browser, and the Token does not need to be obtained and updated ...

Application of antibacterial peptide A24 in preparation of antibacterial drugs

The invention discloses an application of an antibacterial peptide A24 in preparation of antibacterial drugs. According to the invention, a gene engineering technology is utilized, a mutation sequence is designed by utilizing bioinformatics, and codon optimization is carried out on a coding A24 gene through the gene engineering technology, so that the coding A24 gene is subjected to recombinant expression in pichia pastoris. High-yield expression of the antibacterial peptide A24 in pichia pastoris genetically engineered bacteria is achieved for the first time, the concentration of supernatant protein in fermentation liquor reaches 3.95 g/L, the fermentation liquor is purified through an ion exchange column to obtain a high-purity sample, the antibacterial peptide A24 has good antibacterial activity on gram-positive bacteria such as staphylococcus aureus, streptococcus and staphylococcus epidermidis, and the MIC is 1-4 [mu] g/mL (0.22-0.9 [mu] M); meanwhile, the antibacterial peptide A24 ...

Service abnormity monitoring method, system and device, electronic equipment and medium

The invention belongs to the technical field of operation and maintenance of micro-service architecture, and aims to provide a service exception monitoring method, system and device, electronic equipment and a medium. According to the method and the device, the anomaly detection of the application service can be realized, the application service can be automatically recovered, a user does not perceive in the process, and the user experience is improved. Specifically, as the service offline instruction is initiated to the gateway at the same time, the request transmitted to the current application service can be immediately cut off as long as the current application service is offline, the problem that a front-end user transmits the request to the abnormal application service is avoided, the perception of the user on downtime of the application service is reduced, and the user experience is improved. And the user experience is better. Meanwhile, according to the embodiment of the invention ...

Raft self-anchored box culvert pushing device for high slope

The invention relates to the technical field of engineering construction, in particular to a raft self-anchored box culvert pushing device for a high slope, which comprises a pushing module, a supporting module is arranged at the bottom of the pushing module, the pushing module comprises a sliding plate, one side of the top surface of the sliding plate is fixedly connected with a back seat, and the back seat is fixedly connected with the sliding plate. A supporting frame making contact with the back seat is arranged on the top face of the sliding plate, an abutting plate making contact with the top face of the sliding plate is arranged on the side face of the supporting frame, and two containing plates are arranged on the side face of the abutting plate. According to the box culvert jacking device, one end of the supporting plate is rotationally connected with the positioning plate, the supporting plate can be supported through the hydraulic rod, then a sliding plate and the like can be ...

Method for quickly and efficiently establishing alfalfa hairy root transformation system

The invention discloses a rapid and efficient method for establishing an alfalfa hairy root transformation system, which comprises the following steps: 1) preparing a bacterial solution containing marker gene agrobacterium rhizogenes Ar.1193; (2) carrying out dip dyeing on alfalfa seedlings by using the strain in the step (1), and culturing; and (3) determining hairy roots of alfalfa seedlings cultured in the step (2).

Intestinal mirror system with disease species analysis and three -dimensional image display function

... 本实用新型公开了种具有病变种类分析及三维图像显示功能的肠道镜系统，包括前端设备、控制装置、无线网路传输系统、计算机、手机和冲水电机，前端设备设置在肠道内，控制装置分别与前端设备、无线网路传输系统和冲水电机相连接，冲水电机与前端设备相连接，无线网路传输系统分别与计算机、手机相连接。将激光阵列发射器与图像处理技术相结合制成前端设备，利用控制装置控制前端设备的镜头朝向，从而采集患者肠道的内壁图像，控制装置根据采集的图像信息和激光信号，根据肠道内的病变组织的内部特征判断病变类型，避免刺入肠道的活检方法判断病变组织的病变类型，减轻了患者检查的痛苦和不必要的穿刺伤害，方便远程会诊及病例信息交流、共享。 ...

Similar trademark detection model construction method and similar trademark detection method

The invention discloses a similar trademark detection model construction method and a similar trademark detection method, and the model construction method comprises the steps: obtaining a character group of a target trademark, converting the character group into a picture, constructing a target data group based on the picture, and obtaining a target number; constructing a modeling sample trademark set, obtaining a modeling sample trademark character group, converting the modeling sample trademark character group into a picture, constructing a to-be-tested data group based on the picture, and obtaining a to-be-tested number; obtaining an absolute difference value between the target number and the number to be measured, obtaining feature data based on the fact that the absolute difference value is smaller than a target value, determining whether the modeling sample trademark is similar to the target trademark or not based on the feature data, setting a label value of the modeling sample ...

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 ...

Data analysis processing method and system based on business license data content

The invention relates to the technical field of data analysis, in particular to a data analysis processing method and system based on business license data content. The method comprises the following steps: acquiring image data of a business license, and carrying out image preprocessing on the image data to generate standard image data; performing image block core and edge region division processing on the standard image data to generate a divided image data set; performing data noise reduction processing on the divided image data set to generate noise-reduced image data; performing feature information extraction processing on the noise-reduced image data to generate image text data; and acquiring registration character data, performing character comparison detection processing on the registration character data and the image character data, and when the registration character data and the image character data are inconsistent, generating shopping mall registration error information. According ...

Method and device for processing firewall configuration, processor and electronic equipment

The invention discloses a firewall configuration processing method and device, a processor and electronic equipment, and relates to the technical field of network security, and the method comprises the steps: obtaining a current configuration data set of a target data format of a target firewall and a preset configuration data set of the target data format; performing difference analysis according to the plurality of first configuration objects and the plurality of second configuration objects, and determining a difference configuration object set; determining a configuration issuing sequence according to the configuration type corresponding to each difference configuration object in the difference configuration object set; and converting each difference configuration object into an extensible markup language corresponding to the target firewall through a converter corresponding to the version information of the target firewall, and issuing the extensible markup language to the target firewall ...

Polarization maintaining optical fiber ASE filtering device

The invention provides a polarization maintaining optical fiber ASE filtering device which comprises a fiber core and a wrapping layer wrapping the fiber core. Wherein in the radial section of the cladding, stress areas are respectively arranged on two sides of the fiber core along the axial direction; moreover, the fiber core is provided with an inclined grating along the axial direction in a plane parallel to the slow axis. According to the invention, the amplified spontaneous emission (ASE) phenomenon generated in the amplification process of the fiber laser can be solved, the polarization characteristic in the polarization maintaining fiber is researched, the inclined grating is inscribed in the polarization maintaining fiber by using a femtosecond laser direct writing method, and a miniaturized and multifunctional fiber device is provided.

Diamond wire unwinding machine

A diamond wire unwinding machine comprises a winding device, a placing table, a transmission assembly, a wire guide frame assembly, an unwinding spool frame, an unwinding spool, an electric control box and a protective guard, the winding device is arranged above the placing table through the wire guide frame assembly, the transmission assembly is arranged below the winding device and fixed to the placing table, the winding device is connected with the transmission assembly, and the unwinding spool frame is connected with the transmission assembly. The winding device comprises a winding device, a placement table is arranged on the winding device, unwinding I-shaped wheel frames are arranged on the two sides of the placement table, unwinding I-shaped wheels are arranged on the unwinding I-shaped wheel frames, the electric control box is connected with a transmission assembly through an electric control system, the winding device, the placement table, the transmission assembly, the lead frame ...

Relay protection equipment purchase evaluation method and system

The invention provides a relay protection equipment purchase evaluation method and system. The method comprises the following steps: acquiring related initial data of the whole process of relay protection equipment purchase; inputting the related initial data into a preset relay protection equipment purchase evaluation model to enable the relay protection equipment purchase evaluation model to calculate the related initial data based on an LCC optimization algorithm, and obtaining the whole life stage cost of the whole relay protection equipment purchase process; and evaluating the whole purchasing process of the relay protection equipment by taking the cost of the whole life stage as an evaluation index. According to the method provided by the invention, multiple application of data is avoided, the accuracy of final evaluation can be effectively improved, meanwhile, the whole life stage cost of the whole purchase process of the relay protection equipment can be obtained at one time by ...

Constant-force scraper device, cleaning device and cleaning vehicle

The invention belongs to the technical field of heliostat cleaning, and provides a constant-force scraper device, a cleaning device and a cleaning vehicle. The constant-force scraper device comprises a device outer frame, a main elastic sleeve set and two side elastic structures; the main elastic sleeve group comprises a main elastic piece and two rolling connecting pieces; the side elastic structure comprises a side elastic piece and a constant force plate; the constant force plate is in rolling contact with the rolling connecting piece; a contact point is formed at the contact position, and the constant force plate is configured to provide an acting force towards the scraping plate direction for the main elastic sleeve group when the main elastic piece extends, and continuously provide the acting force towards the scraping plate direction for the main elastic sleeve group if the height of the contact point is still lower than the height of the axis of the side elastic piece when the main ...

Temperature compensation method and device in equal diameter process

The temperature compensation method in the equal-diameter process comprises the following steps: acquiring temperature data of at least two furnaces in the equal-diameter process from a database; wherein the temperature data is composed of a plurality of groups of crystal lengths and temperature values corresponding to the crystal lengths in the equal-diameter process; for the temperature data of each furnace, temperature compensation parameters corresponding to all temperature values in the temperature data are calculated; calculating a temperature compensation setting parameter corresponding to each preset crystal length by utilizing the temperature compensation parameter of each furnace; and introducing the temperature compensation setting parameters into a system of the single crystal furnace so as to realize temperature compensation of the single crystal in the equal-diameter process. According to the scheme, more data are adopted, and the data coverage is large, so that the obtained ...

Method, system and equipment for realizing data acquisition and receiving and storage medium

The invention discloses a method, a system and equipment for realizing data acquisition and receiving, and a storage medium. The method comprises the following steps: registering all collectors needing to be used to a service background, and setting registration information of the collectors in the service background; the collector obtains all file information forming the collector and information of a host machine where the collector is located, all file information of the collector and the information of the host machine where the collector is located form identity information of the collector, and the identity information is sent to the service background; the service background receives the identity information of the collector, searches registration information set by the collector in the service background, judges whether the collector is registered in the service background, and returns the registration information and a registration result to the collector; and the collector judges ...

Diamond wire sanding mechanism

A diamond wire sand feeding machine comprises a machine box, an upper sand feeding groove, a lower sand feeding groove, a sand feeding mother groove and an electromagnet assembly, a containing plate is arranged in the middle of the interior of the machine box, the lower sand feeding groove is formed in the containing plate, the upper sand feeding groove is arranged above the lower sand feeding groove in parallel, and the bottom of the upper sand feeding groove faces the top of the lower sand feeding groove; the top of the upper sand feeding tank is fixedly connected with the machine box, the main sand feeding tank is arranged below the lower sand feeding tank, the bottom of the main sand feeding tank is fixedly arranged on the machine box, and middle partition plates are arranged in the upper sand feeding tank and the lower sand feeding tank to divide the interiors of the upper sand feeding tank and the lower sand feeding tank into inner sand feeding tank cavities and outer sand feeding ...

Welding mechanical arm for intelligent construction and welding method thereof

The invention discloses a welding mechanical arm for intelligent construction and a welding method of the welding mechanical arm, relates to the technical field of welding mechanical arms, and solves the problems that when an existing welding mechanical arm is used for welding a welding seam of a metal piece, the welding seam needs to be manually cleaned in advance, time and labor are wasted, smoke generated by welding cannot be conveniently discharged in time, and the like. The welding mechanical arm for intelligent construction comprises a first driving mechanism, a second driving mechanism and a transmission adjusting mechanism, the upper end of the first driving mechanism is rotationally connected with the second driving mechanism, and the transmission adjusting mechanism is fixedly installed on the inner side of the upper end of the second driving mechanism; and a welding self-cleaning mechanism is mounted on the outer side of the upper end of the transmission adjusting mechanism.

Carrier and photovoltaic module production test system

The invention provides a carrier and a photovoltaic module production testing device, and relates to the technical field of photovoltaic module processing. Comprising a frame body, a wiring terminal, a connector and a lead. A groove is formed in the bottom of the frame body and is used for accommodating a photovoltaic module; a wiring terminal is arranged on the side, away from the groove, of the side wall of the frame body and used for being electrically connected with a test instrument. A connector is arranged at the position, close to the groove, of the bottom of the frame body, the connector is electrically connected with the wiring terminal through a wire, and the connector is used for being electrically connected with a junction box of the photovoltaic module. According to the carrier provided by the invention, the frame body can protect and support the photovoltaic module, so that the damage to the module caused by manual carrying is avoided; meanwhile, the photovoltaic module is ...

Data access method, device and equipment based on sub-libraries and sub-tables, and medium

The invention discloses a data access method, device and equipment based on sub-library and sub-table, and a medium, and the method comprises the steps: reading a sub-library and sub-table rule from a configuration unit, and loading the sub-library and sub-table rule into a memory; the method comprises the following steps: receiving a data access request, acquiring sub-library and sub-table variable information in the data access request, and storing the sub-library and sub-table variable information into a context of a thread, so that the thread reads the sub-library and sub-table variable information from the context when executing an SQL statement; and performing matching calculation on the sub-library and sub-table information and the sub-library and sub-table rule, and routing the SQL statement to a corresponding sub-library and sub-table to execute data access. According to the method and the device, the branch library and branch table variable information in the context of the thread ...

Method for calculating doping amount of multiple lightly phosphorus-doped drawn silicon single crystal rods

The invention provides a method for calculating the doping amount of a plurality of lightly phosphorus-doped drawn silicon single crystal rods, and belongs to the technical field of czochralski silicon single crystal products.According to the method, the actual conditions that the impurity content in phosphorus master alloy and the impurity content in silicon melt with required resistance are not equal and the impurity content in the silicon melt with the required resistance is too large during drawing of a plurality of rods are considered; according to the method, a new calculation formula is provided, when the doping amount of a single later-drawn silicon rod is calculated, the doping amount is calculated based on the amount of silicon supplemented into the crucible and the impurity concentration in the supplemented silicon melt, the accuracy of the obtained doping amount is high, the calculation accuracy of the doping amount is improved, and the calculation efficiency is improved. And ...

Compensation supporting structure for key part of deep roadway

The deep roadway key part compensation supporting structure comprises a supporting seat, supporting legs are fixedly connected to the two sides of the bottom of the supporting seat, protective devices are fixedly connected to the side faces of the supporting legs, and a supporting device is fixedly connected to the top of the supporting seat; the supporting device comprises a supporting table and a hydraulic cavity, the supporting table is provided with an arc-shaped structure, the hydraulic cavity is formed in the supporting table, one side of the hydraulic cavity is communicated with a hydraulic cylinder through a hydraulic pipe, and the hydraulic cylinder is fixedly connected with the supporting seat through a support; and the rotating groove is formed in the top of the supporting table, and the inner wall of the rotating groove is rotationally connected with a supporting cam. The compensation supporting structure for the key part of the deep roadway can adapt to roadways with different ...

Data communication device and method in embedded environment

The invention discloses a data communication device and method in an embedded environment, and relates to the field of communication. The device comprises an SDIO controller and a slave device, and the SDIO controller is connected with the slave device through a clock line, a command line, at least four data lines and at least two GPIO interrupt lines. An embedded Linux equipment hardware environment is adopted, a method for receiving SDIO data and ETH data in a compatible mode through the same device is designed, and the effects of saving network ports and reducing the equipment hardware size in the embedded environment are achieved.

Pipeline waverider aircraft, flight method thereof and pipeline traffic

The invention relates to the field of traffic transportation, in particular to a pipeline waverider aircraft, a flight method thereof and pipeline traffic. The side-view projection of a vehicle body of the pipeline aircraft is similar to a parallelogram, and the rear-view projection of the vehicle body is horizontal at the bottom and elliptical at the upper part; the tail of a vehicle body of the pipeline aircraft is located above the rear, the head of the vehicle body is located below the front, and the head of the vehicle body of the pipeline aircraft inclines upwards and is located below the center line of the vehicle body. The cruising speed is high. The pipeline aircraft runs in a pipeline by means of a sound-like soliton wave propagation mode, and the pipeline aircraft has very small running resistance and ultra-high running speed in the running process; the operation efficiency is high and the energy consumption is low. The pipeline aircraft cruises by means of sound soliton-like ...

Sewage treatment device for environmental engineering

The invention discloses a sewage treatment device for environmental engineering, which structurally comprises an air flotation mechanism, a separation mechanism, a drainage pipe, a blow-off pipe and a motor, a hopper is arranged at the middle end of the top of the air flotation mechanism and is communicated with the air flotation mechanism, and a connecting shaft rod connected with the bottom of a rotating rod rotates while stirring; four spring rods respectively apply up-down elastic sliding to the inner side ends of four shifting plates, so that the outer side ends of the four shifting plates can be expanded and contracted, the flow speed of the sewage is prevented from being too high, meanwhile, the sewage at the bottom can be shifted upwards, the stirring capacity of flowing blades to the sewage is improved, and the overall treatment effect on the sewage is improved; the elastic torsion is applied through the torsion shaft, so that the swing plate can elastically swing up and down, ...

Method and system for measuring ground fault of generator stator bar

The invention discloses a method and system for measuring a ground fault of a generator stator bar, and the method comprises the steps: obtaining an adjustable DC voltage according to the voltage of an input device, and building a closed loop comprising a variable-frequency constant-current source plate according to a preset frequency and a current, thereby obtaining a controllable output current; according to the controllable output current, obtaining the current of the grounding end of the stator bar in combination with a wireless flexible current clamp; and transmitting the current of the grounding end of the stator bar to an intelligent terminal for display, and performing fault judgment in combination with fault detection logic. The method has the advantages of simple wiring, no high voltage generation, controllable output current, no harm to equipment and personnel, and low requirement on the technical level of operators.

Method for controlling morphology of cut silicon wafer through multi-wire cutting

The invention provides a method for controlling the morphology of a cut silicon wafer in multi-wire cutting, and relates to the technical field of control methods for cutting the silicon wafer, a second water cooling cavity is formed in the axial direction of a main roller, and a first water cooling cavity is formed in a rack; cold water with a second preset temperature curve and a first temperature curve is introduced into a second water cooling cavity and a first water cooling cavity, and is matched with a temperature curve of mortar liquid; large morphology variables generated by silicon wafer cutting due to relative displacement formed by position deviation caused by thermal expansion of the crystal ingot and displacement deviation of the main roller and positive and negative compensation of expansion conditions of the crystal ingot in different cutting areas due to expansion of the rack are prevented, so that the shape of the whole cutting process is controllable, the flatness of the ...

Jet mixing charge device

... 本实用新型提供一种射流搅拌加药装置，包括混药槽、离心泵和储药槽；混药槽的出水口与离心泵进口相连，离心泵的排水口通过阀门分别与射流器的进水口和储药槽的转液口相连；射流器的进气口为药剂自动投加口，射流器的出水口与混药槽回流口相连；所述的混药槽内设有折流板，混药槽槽底设有排污口。本实用新型采用射流搅拌，利用射流器的特性，实现混合和自动加药，即可自动投加液体药剂也可投加固体药剂，且投加速度可控，操作便捷安全，药剂混合效果佳。本实用新型能通过机械射流提高药剂溶液温度，有利于低温环境操作。 ...

Database adaptation method and system, terminal equipment and storage medium

The invention relates to the technical field of databases, in particular to a database adaptation method and system, terminal equipment and a storage medium. The method comprises the following steps: acquiring a current configuration file; reading a current configuration file, and generating corresponding driving information; if the drive information is successfully analyzed, acquiring and connecting a corresponding database type; analyzing the database type to obtain corresponding connection information; according to the processing requirement of the current to-be-processed data, judging whether connection information exists in the historical connection record or not; if the connection information exists in the historical connection record, switching to a corresponding target database according to the connection information; and if the connection information does not exist in the historical connection record, obtaining preset configuration information corresponding to the database type ...

Intelligent cabin HMI modular design method

The invention discloses an intelligent cabin HMI modular design method, and belongs to the technical field of automobile human-computer interaction interface design. Aiming at a software underlying architecture in a mode that HMI design and software service logic are separated and a data source is used in the middle for communication, each instance in the HMI design comprises UI graphic design, conventional attributes and unique attributes, and the UI graphic design, the conventional attributes and the unique attributes serve as an HMI design module; designing is carried out for each HMI design module; the data source is a set containing all attributes needing to be controlled; the conventional attributes refer to attributes of all functions; the unique attribute refers to the attribute used by a certain function; for data source attributes, a data source attribute library is defined in advance, all projects can reuse the data source attribute library, conventional attributes in the HMI ...

Automatic sand supplementing mechanism and method for mother groove for electroplating diamond wire

The invention discloses an electroplating diamond wire mother tank automatic sand supplementing mechanism which comprises a rack, a stirring motor, a sand supplementing cylinder, a stirring paddle and a sand feeding mother tank, a fixing rod I parallel to the ground and a sand supplementing cylinder cross beam are arranged on the rack, a fixing rod II is connected between the sand supplementing cylinder cross beam and the rack, the stirring motor is fixedly arranged on the rack through the fixing rod I, and the stirring paddle is fixedly arranged on the rack through the fixing rod II. The sand supplementing barrel is fixedly arranged on the rack through a sand supplementing barrel cross beam, a transmission shaft is arranged at the output end of the stirring motor and extends into the sand supplementing barrel, the stirring paddle is arranged on the transmission shaft and located in the sand supplementing barrel, a sand supplementing pipe is arranged at the bottom of the sand supplementing ...

Isoindoline compound, preparation method, pharmaceutical composition and application

The invention discloses an isoindoline compound, a preparation method, a pharmaceutical composition and application. The structure of the compound is shown as a formula (I), and the compound comprises an isomer, a diastereoisomer, an enantiomer, a tautomer, a solvate, a salt of the solvate, a pharmaceutically acceptable salt or a mixture of the isomer, the diastereoisomer, the enantiomer, the tautomer and the solvate. The compound and the pharmaceutical composition thereof have an efficient inhibiting effect on Bruton tyrosine kinase and can be prepared into drugs for treating and/or preventing B cell hyperproliferative tumors, inflammations and autoimmune diseases, the drugs are remarkable in drug effect at the molecular level and wide in application, and the synthesis method of the compound is easy to operate and good in controllability.

Embedded image recognition method and system

The invention discloses an embedded image recognition method and system, and belongs to the technical field of image processing, and the method comprises the steps: carrying out the gray processing of an original image inputted into an embedded platform, and obtaining a gray-scale map; enhancing the gray value of the gray-scale image to obtain an enhanced image; performing classification processing on the enhanced image to obtain each classification sub-region; extracting the contour of each classification sub-region to obtain each contour image; extracting features of each contour image, and performing target identification; according to the invention, the problem that an embedded platform cannot identify an image target is solved.

Heat preservation integrated plate grinding device based on edge position contact

The invention relates to the technical field of heat preservation integrated plate polishing, in particular to a heat preservation integrated plate polishing device based on edge position contact, which comprises a workbench and a support frame, a clamping assembly is arranged at the top of the workbench and is used for fixing a heat preservation plate, and a moving assembly is arranged at the end far away from the clamping assembly and is used for moving the heat preservation plate. An angle adjusting assembly is arranged at the end of the moving assembly, a supporting block is arranged at the end of the angle adjusting assembly, a grinding machine is arranged at the end of the supporting block, the grinding machine grinds the edge position of the heat preservation plate, and the grinding machine is driven by the moving assembly to move in parallel to grind the edge of the heat preservation plate. The edge grinding angle of the heat preservation plate is adjusted, cushioning assemblies ...

Wear-resistant corrosion-inhibition powder functional filler, powder coating and preparation method thereof

The invention discloses a wear-resistant corrosion-inhibition powder functional filler, a powder coating and a preparation method of the wear-resistant corrosion-inhibition powder functional filler, and the wear-resistant corrosion-inhibition powder functional filler comprises the following raw materials in parts by weight: 150-300 parts of fly ash; 50 to 100 parts of a carbon-based compound; 10-30 parts of a carbon quantum dot dopant; and 20-100 parts of a chemical modifier. The coal ash can improve the mechanical performance of the coating and the shielding performance of the coating on corrosive media, the coal ash is evenly filled with the carbon-based compound, the carbon quantum dot doping agent is added, a hydrothermal reaction is conducted, the carbon-based compound in the porous structure of the coal ash can form doped carbon quantum dots, and the corrosion resistance of the coating is improved. A large number of doped carbon quantum dots are loaded in the porous structure of the ...

Pentaazaacenaphthene compound, preparation method, pharmaceutical composition and application

The invention discloses a pentaazaacenaphthene compound, a preparation method, a pharmaceutical composition and application. The structure of the compound is shown as a formula (I), and the compound comprises an isomer, a diastereoisomer, an enantiomer, a tautomer, a solvate, a salt of the solvate, a pharmaceutically acceptable salt or a mixture of the isomer, the diastereoisomer, the enantiomer, the tautomer, the solvate and the salt. The compound has an efficient inhibiting effect on Bruton tyrosine kinase and can be prepared for treating and/or preventing B cell hyperproliferative tumors, inflammations and autoimmune diseases, the prepared medicine is remarkable in curative effect and wide in application, and the synthesis method of the compound is simple, convenient and easy to operate.

Crystal diameter control method based on power crystal pulling

The invention provides a crystal diameter control method based on power crystal pulling, which belongs to the technical field of semiconductor crystal manufacturing and comprises the following steps: S1, setting a crystal pulling speed deviation range within +/-0.01 mm/min in a PLC (Programmable Logic Controller) control module, and setting a crystal diameter, a crystal diameter deviation range, heater power and action judgment conditions corresponding to the parameters; s2, a crystal diameter signal is collected through a camera and fed back to a PLC control module, the PLC control module compares the real-time diameter of the crystal with the set diameter of the crystal, and the pulling speed of the crystal and the power of a heater are adjusted through an ADC1 control mode according to the judgment result; and S3, the PLC control module calculates the crystal diameter deviation and judges whether the crystal diameter deviation is within the set crystal diameter deviation range or not ...

Method and device for controlling movement of compact shelving based on command decomposition and medium

The invention relates to a method and a device for controlling a compact shelf to move based on command decomposition and a medium, and relates to the field of compact shelf technology, the method comprises the following steps: when a viewing demand input by a user is detected, obtaining position information corresponding to at least two cabinet bodies in the compact shelf and a moving space of the compact shelf, and determining the moving space of the compact shelf based on the viewing demand; a target cabinet body is determined from the at least two cabinet bodies, at least one to-be-moved cabinet body is determined based on first position information and the moving space, the first position information is position information of the target cabinet body, and a to-be-moved distance corresponding to each to-be-moved cabinet body is determined based on a preset distance; and based on the second position information and the moving space corresponding to each to-be-moved cabinet body, determining ...

Manufacturing process of stainless steel well lid

The invention discloses a stainless steel well lid manufacturing process which comprises the steps of plate punching, outer frame and lifting lug treatment, welding, polishing and painting.The stainless steel well lid manufacturing process has the beneficial effects that a welding fixing device and a fixing assembly in the welding fixing device are used for fixing a main plate for manufacturing a well lid; the welding of the first frame, the second frame, the third frame and the fourth frame and the main plate is simpler and more convenient, then the well lid is easier to manufacture through the process, meanwhile, the material taking mechanical arm can be movably adjusted, the automatic feeding function is achieved, the labor burden of manual feeding is reduced, and more manpower is saved when the well lid is manufactured through the process.

Speed detection circuit and device for motor and control method

The invention relates to the technical field of motor detection, in particular to a speed detection circuit and device for a motor and a control method, and the circuit comprises a signal reverse circuit, an RC differentiating circuit, a logic circuit and a switching circuit. The input end of the signal reverse circuit is used for being connected with a motor, the output end of the signal reverse circuit is connected to the RC differentiating circuit, the signal reverse circuit is further connected with a power supply end, the RC differentiating circuit is connected to the input end of the logic circuit, and the RC differentiating circuit is further connected to the power supply end. The output end of the logic circuit is connected to the control end of the switching circuit, the switching circuit is connected to a power supply end, and the switching circuit is further used for being connected with a signal receiving end. The chip has the effect of replacing a special chip so as to reduce ...

Method and device for controlling movement of compact shelving based on ventilation requirement and medium

The invention relates to the technical field of intelligent compact shelves, in particular to a method and device for controlling the movement of a compact shelf based on a ventilation demand, and a medium, and the method comprises the steps: determining whether each dense unit needs to execute ventilation operation or not according to the environment information of the dense units, and carrying out the real-time ventilation demand judgment; the situation that the environment of the dense unit is abnormal can be monitored in time. Then, based on the dense unit environment information of the target dense unit and the indoor environment information, an environment difference value is determined, and then the ventilation duration is determined according to the corresponding relation between the ventilation duration and the difference value and the environment difference value. And finally, generating a moving scheme of each target dense unit according to the position information and the ventilation ...

Data self-adaption method for data visualization chart

The invention discloses a data self-adaption method for a data visualization chart. The method comprises the steps that a QCustomPlot object is created, and a chart style and a coordinate axis range are set; adding a QCPItemTracer object for tracking a data position, adding a QCPItemRect object for drawing a rectangular frame corresponding to data, and adding a QCPItemLine object for drawing a frame line corresponding to a data range into the QCustomPlot object; reading the data in the data cache region every preset time, preprocessing the data, and then selecting a maximum value and a minimum value of the data; adjusting the coordinate axis range according to the maximum value and the minimum value; adjusting the resolution of the chart according to the quantity of the data in the data cache region and the coordinate axis range; and according to the data in the data cache region, the positions and the sizes of a QCPItemTracer object, a QCPItemRect object and a QCPItemLine object in the ...

Preparation method of dual-mode probe for electron paramagnetic resonance and nuclear magnetic resonance imaging

The invention discloses a preparation method of a dual-mode probe for electron paramagnetic resonance and nuclear magnetic resonance imaging, which comprises the following steps: dispersing fluorinated graphene in ethanol, performing ultrasonic treatment to obtain a reagent A, and dispersing 2, 2, 6, 6-tetramethyl-4-amino-1-piperidyloxy in an ethanol solution to obtain a reagent B; dispersing trihydroxymethyl aminomethane in an ethanol solution to obtain a reagent C; respectively degassing the reagent A, the reagent B and the reagent C under an argon flow condition to obtain a solution A, a solution B and a solution C; cooling the solution A to 45 DEG C below zero or below, adding the solution B, stirring and mixing the solution A and the solution B, adding the solution C to obtain a mixed solution, and performing high-speed centrifugal separation on the mixed solution to obtain the dual-mode probe, so as to improve the problem that the probe used at present is not easy to mix in electron ...

Mine cross-border mining dynamic detection method based on point cloud data

The invention discloses a point cloud data-based dynamic detection method for cross-border mining of a mine. The method comprises the following steps of: acquiring three-dimensional point cloud data of a mine roadway; acquiring inflection point coordinates and mining depth information of a mining area range or a goaf range of a mine; sampling and de-noising the roadway point cloud data; constructing a mining three-dimensional space range by using the mining area range, the goaf and other areas not including the mining area range; traversing to obtain three-dimensional coordinate information of points in the roadway point cloud data; extracting roadway point cloud exceeding the mining depth as elevation border-crossing mining roadway point cloud data; layering the three-dimensional space range of the mine; and analyzing plane figures with the same height obtained by the points and the layering, judging a spatial internal and external relationship between the plane figures and the points ...

Application of antibacterial peptide AP138 in preparation of antibacterial drugs

The invention discloses an application of an antibacterial peptide AP138 in preparation of an antibacterial drug. According to the invention, a gene engineering technology is utilized, and codon optimization is carried out on a gene for coding the antibacterial peptide AP138, so that the antibacterial peptide AP138 is subjected to recombinant expression in pichia pastoris. High-yield expression of the antibacterial peptide AP138 in pichia pastoris genetically engineered bacteria is achieved for the first time, the concentration of supernatant protein in fermentation liquor reaches 3.1 g/L, the fermentation liquor is purified through an ion exchange column to obtain a high-purity sample, the antibacterial peptide AP138 has good antibacterial activity on gram-positive bacteria such as staphylococcus aureus, streptococcus and staphylococcus epidermidis, and the MIC is 4-16 mu g/mL (0.9-3.6 mu M); meanwhile, the antibacterial peptide AP138 has the characteristics of low cytotoxicity and low ...

Process method for controlling morphology of cut silicon wafer

The invention provides a process method for controlling the morphology of a cut silicon wafer, and relates to the technical field of a control method for cutting the silicon wafer. A water cooling cavity is formed in a rack, and cold water with a first preset temperature curve is introduced into the water cooling cavity at different cutting positions of the silicon wafer according to the swelling amount of the rack monitored by a monitoring part; the expansion conditions of the crystal ingot in different cutting areas are compensated positively and negatively, so that the cutter entering shape of the silicon wafer is improved, the flatness of the silicon wafer is controlled and improved, the morphology of the silicon wafer is consistent with that of the MC side, the warp of the silicon wafer is improved, the nano problem caused by rapid deformation of the crystal ingot in the local area of the silicon wafer is avoided, and the quality of the silicon wafer is improved.

Aluminum veneer sharp corner machining forming machining equipment and forming method

The invention relates to the technical field of aluminum veneer sharp corner machining, in particular to aluminum veneer sharp corner machining forming machining equipment and a forming method.The aluminum veneer sharp corner machining forming machining equipment comprises a machine body, a conveying assembly is arranged at the end of the machine body and used for conveying aluminum veneers of different sizes, and a fixing assembly is arranged above the conveying assembly; the fixing assembly is used for fixing aluminum veneers on the surface of the conveying assembly, the grooving assembly is arranged at the end of the conveying assembly and used for grooving the bottoms of the aluminum veneers, the aluminum veneers are fixed through the fixing assembly to avoid position deviation of grooving positions, and the forming assembly is arranged at the end of the grooving assembly. The forming assembly is used for rapidly carrying out press-press bending forming on the aluminum veneer, the bottom ...

Preparation method of compound premix for laying hens

The invention relates to the technical field of feed processing, in particular to a preparation method of a compound premix for laying hens, which improves the quality of the premix and ensures the balance of nutritional ingredients. The method comprises the following steps: S1, preparing various raw materials according to a preset formula, wherein the raw materials comprise crude protein, crude fat, crude fibers, crude ash, vitamins and minerals; s2, uniformly grinding the raw materials prepared in the step S1; s3, weighing the ground raw materials in the step S2 according to the formula proportion of the nutritional requirements of the laying hens at different stages; s4, mixing the raw materials weighed in the step S3 by using processing equipment; and S5, sealing and packaging the mixed premix.

Packaging method of optical fiber coupler

The invention provides a packaging method of an optical fiber coupler, a packaging structure comprises an inner flexible photoconductive material heat conduction packaging structure and an outer through hole semi-packaging structure, and the method comprises the following steps: inserting an optical fiber coupling module into a fluorine-doped capillary quartz glass tube; flexible photoconductive materials are injected from the two sides of the fluorine-doped capillary quartz tube to fill a non-physical space in the fluorine-doped capillary quartz tube; a sealant is added to one side of the fluorine-doped capillary quartz tube for packaging, so that an inner flexible photoconductive material heat conduction packaging structure is formed; placing the inner flexible photoconductive material heat conduction packaging structure in the outer through hole semi-packaging structure; and fixing glue is coated at the corresponding position, so that the packaging of the optical fiber coupler is completed ...

Archive system based on CAN bus communication protocol

The invention relates to an archive system based on a CAN bus communication protocol, and belongs to the field of archives, the system comprises a data acquisition module, a data configuration module, a data storage module and a data output module; the data acquisition module is used for acquiring attribute information of electronic equipment in an archive room; an initial expansion frame and a data frame are stored in the data storage module; the data configuration module is in communication connection with the data acquisition module and the data storage module, and is used for receiving the attribute information and adjusting the initial extension frame according to the attribute information to obtain a first configuration mode or a second configuration mode; obtaining a final configuration mode according to the first configuration mode and the data frame or obtaining the final configuration mode according to the second configuration mode and the data frame, and outputting the final ...

一种嵌入式环境下数据通讯装置及方法

... 本发明公开了一种嵌入式环境下数据通讯装置及方法，涉及通信领域，装置包括SDIO控制器和从设备，SDIO控制器通过时钟线、命令线、至少4根数据线和至少2根GPIO中断线与从设备相连。本发明采用嵌入式Linux设备硬件环境，设计通过同一个装置同时兼容接收SDIO数据和ETH数据的方法，达到了节省网口、减小嵌入式环境下设备硬件尺寸的效果。 ...

Device for testing external force resistance of thermal insulation integrated plate based on clamping

The invention relates to the technical field of thermal insulation integrated plates, in particular to a clamping type thermal insulation integrated plate external force resistance testing device. The device comprises a shell and a heat preservation integrated plate body, a moving assembly is arranged in a mounting frame, a pushing assembly is arranged below the moving assembly, and the bottom of a connecting rod is clamped and matched with a pressing plate through a clamping assembly. When the synchronous belt conveys the thermal insulation integrated plate to the upper surface of the lifting assembly, the thermal insulation integrated plate is lifted upwards to prevent the position of the thermal insulation integrated plate from moving along with the synchronous belt, then the position of the thermal insulation integrated plate is stabilized through the clamping assembly, and the stability of the thermal insulation integrated plate during detection is improved; the position of the pressing ...

Disc brush type multi-working-condition heliostat cleaning test device

The invention provides a disc brush type multi-working-condition heliostat cleaning test device. The device comprises a heliostat frame, a cleaning frame, a sliding assembly, a heliostat cleaning mechanism, a turnover mechanism and a control mechanism. An operating mechanism is arranged on the heliostat frame, and the cleaning frame is configured to slide on the operating mechanism; the sliding assembly is used for driving the heliostat cleaning mechanism to move on the cleaning frame. The heliostat cleaning mechanism is used for rotationally cleaning the heliostat; the control mechanism is in communication connection with the operation mechanism, the sliding assembly, the heliostat cleaning mechanism and the turnover mechanism and gives out corresponding control instructions. According to the heliostat cleaning test device, multiple working conditions such as horizontal cleaning, oblique transverse cleaning, vertical cleaning and rotary cleaning can be achieved, the three functions of ...