Ambient light measurement method and system based on camera device

The invention provides an ambient light measurement method and system based on a camera device, and belongs to the technical field of image communication, and the method specifically comprises the steps: obtaining a screening image in a recent first time period, carrying out the evaluation of the illumination intensity of the screening image, and obtaining an illumination intensity evaluation result, determining a recommended moment of ambient light measurement of the camera device based on the ambient light measurement; the method comprises the following steps: monitoring ambient light in real time through an illumination intensity measurement module based on a recommended moment to obtain the illumination intensity of the ambient light, and determining that the illumination intensity measurement module does not have a fault based on the illumination intensity; an illumination intensity correction is constructed based on the service life of the camera device, the illumination intensity ...

背心（镂空美背运动背心）

包装贴纸（亲爱男友粉墨登场淡香水）

包装盒（亲爱男友粉墨登场淡香水）

Novel fiber bragg grating sensor ware

... 本实用新型公开了新型光纤光栅传感器，涉及光纤光栅技术领域，具体涉及光纤光栅温度传感器技术。上箱体的前板上与每个空间对应位置开有矩形孔，每个矩形孔内侧设置有一块压板，压板为L型板，L型的压板下侧扣在温度探头底边上，压板的前侧设置有扳手，扳手为T型板，扳手与前板的矩形孔上下滑动配合，扳手上面设置有螺旋压缩弹簧，螺旋压缩弹簧的上端与前板的矩形孔的上端面连接；每个温度探头通过线缆与光纤光栅解调仪连接。本实用新型提供了新型光纤光栅传感器，本实用新型解决了现有技术中存在温度探头暴露在空气中，光纤光栅传感器精度不高，测量有偏差的缺点。 ...

Resource scheduling method and device of image data processing system

The invention discloses a resource scheduling method and device of an image data processing system, equipment and a storage medium. The method comprises the following steps: acquiring a plurality of task attributes of a plurality of to-be-processed events; performing priority scoring on a preset task characteristic dimension based on the plurality of task attributes, and obtaining a task characteristic scoring result of each to-be-processed event; obtaining an optimal resource scheduling strategy based on the task characteristic scoring result of each to-be-processed event; and scheduling resources of the image data processing system based on the optimal resource scheduling strategy. By means of the technical scheme, resource scheduling management can be conducted according to the task attributes of the to-be-processed events, the task accumulation rate when the number of short-term tasks is large is reduced, and the utilization rate of long-term computing resources is improved.

Ship detection method and device based on space optical image

The invention discloses a ship detection method based on a space optical image. The method comprises the following steps: acquiring to-be-detected space optical image information; to-be-detected space optical images in the to-be-detected space optical image information are ship space optical images in the same region at different times; preprocessing the spatial optical image information to be detected to obtain standard spatial optical image information; establishing and training a ship image detection model; processing the standard space optical image information by using the ship image detection model to obtain a ship detection result; the ship detection result represents ship existence information of the to-be-detected space optical image information in the same region at different times. According to the method, high-timeliness and high-precision optical ship detection can be achieved, and optical ship detection can be completed in space optical image data with large data size and ...

Uranium dioxide powder and preparation method and application thereof

The invention discloses uranium dioxide powder as well as a preparation method and application thereof, and belongs to the technical field of nuclear fuels and materials. The preparation method of the uranium dioxide powder comprises the following steps: heating ammonium diuranate powder prepared from a high-fluorine material in an inert gas atmosphere, drying and decomposing, and then switching inert gas into reducing gas for reduction. According to the preparation method of the uranium dioxide powder provided by the invention, ammonia diuranate powder obtained by re-dissolving a high-fluorine material through an ammonia diuranate method is decomposed and reduced into uranium dioxide powder with uniform properties, and the specific surface area of the obtained uranium dioxide powder can be effectively adjusted by regulating and controlling the switching temperature of inert gas/reducing gas; the existing decomposition and reduction process of the ADU powder after redissolution of the high-fluorine ...

Cigarette smoke generating device

The invention provides a cigarette smoke generating device, relates to the technical field of smoke simulation, and aims to solve the problem that a research result deviates due to the fact that an existing cigarette smoke generating device cannot simulate a mainstream smoke generating state when people naturally smoke. Comprising an air pump, a control valve, a timing numerical control unit and a smoke generation cavity, the smoke generation cavity is provided with an air inlet, an air outlet and a smoke inlet, the control valve is arranged at the air inlet, and the control valve is provided with an air inlet position for communicating an air source with the air inlet and a cut-off position for cutting off the air source and the air inlet; the timing numerical control unit is used for switching the control valve between an air inlet position and a cut-off position; the air pump is used for providing power for the air inlet to enter the smoke generation cavity from the air inlet, and air ...

Method for preparing hydrazine hydrate by hydrolyzing methyl ethyl ketazine

The invention discloses a method for preparing hydrazine hydrate by methyl ethyl ketazine hydrolysis, which comprises the following steps: adding a sulfonic acid catalyst into methyl ethyl ketazine, then mixing with water to carry out hydrolysis reaction, and after the reaction is completed, rectifying to obtain the product hydrazine hydrate, the sulfonic acid catalyst is one or a combination of more of 4-aniline sulfonic acid, azobenzene sulfonic acid, 4-isopropyl benzenesulfonic acid and 4-ethyl benzenesulfonic acid; according to the method, the sulfonic acid catalyst is utilized to promote the hydrolysis reaction, the yield can be improved, the hydrazine hydrate solution with higher concentration can be obtained, meanwhile, the operation cost is reduced, the production profit is improved, and in the subsequent industrial concentration process, the hydrazine hydrate with higher concentration can reduce the energy consumption of concentrated distilled water and reduce the production cost ...

Free-cutting high-conductivity oxygen-free lead-copper alloy and preparation method thereof

The invention relates to a free-cutting high-conductivity oxygen-free lead-copper alloy and a preparation method thereof, the lead-copper alloy comprises the following components in percentage by mass: 0.003-0.012% of P, 0.8-1.2% of Pb, 1-10ppm of O, and the balance of Cu and inevitable impurities, the contents of impurity elements are controlled to be less than or equal to 0.005% of Fe and Si, less than or equal to 0.02% of Al, Sb, Mn and Ni, and the total amount of the impurity elements is less than or equal to 0.05%. The preparation method adopts the methods of a bottom blowing refining technology, charcoal covering, reduction of annealing times, increase of pass deformation of cold machining and the like, and the process comprises the steps of smelting, casting, extrusion, acid pickling, cold drawing machining and annealing, and straightening and saw cutting. The process is simple and reasonable, the oxygen content of the prepared oxygen-free lead-copper alloy is lower than 10 ppm, ...

Catalyst for synthesizing polypropylene carbonate and application thereof

The invention provides a catalyst for synthesizing polypropylene carbonate and application thereof, the catalyst is a binary acid zinc manganese bimetallic catalyst, the molar ratio range of zinc to manganese is (10: 1)-(1: 1), preferably, the molar ratio of zinc to manganese is 5: 1, and the particle size of the catalyst is 10-50nm. The binary acid zinc-manganese bimetallic catalyst has the beneficial effects that the preparation steps are simple, the preparation conditions are mild, the cost is lower, and the industrial production is easy. The catalyst is used for catalytic production of poly (propylene carbonate), a polymerization kettle is adopted for reaction, the catalyst activity is high, and an obtained polymer is high in molecular weight and low in ether segment content.

Electric power micro-service layering system based on cloud edge collaboration

The invention discloses an electric power micro-service layering system based on cloud edge collaboration. The system comprises a sensing layer, an edge layer, a network layer, a platform layer and an application layer. The platform layer splits a part of applications into a plurality of micro-services and packages the micro-services into container mirror images, specific calling hierarchical relationships exist among containers, container arrangement is completed from the bottommost micro-service, attribute information of edge equipment of the edge layer at the current moment is identified to obtain corresponding edge nodes, and the edge nodes are sent to the edge layer; and according to the assessed resource conditions of the edge nodes, partial micro-services are released to the corresponding edge nodes, and the edge nodes undertake partial data application services, so that local application of data is realized. According to the method, the huge application value in mass data can be ...

Two side ball hole cutting tool of back lid rocking arm

... 后盖转臂双侧球孔车削工具，其结构为：主体的中心轴线处设置有定位销，主体上设置有支座，定位板连接在支座的上表面向定位销的上方水平伸出，定位板上与定位销相对应的位置处开有通孔，圆柱插销插入通孔与定位销同轴，定位板上使用螺栓连接有压板I；在主体上通过螺栓固定有压板II，压板II前端与定位销的侧面相接触。实用新型采用上述结构，提供了一种加工方便、使用简单结构，同时能够保证零件球孔的同轴度，保证了加工质量和精准度。 ...

Attention mechanism-based psychotropic drug combination side effect prediction method and system

The invention provides a psychotropic drug combination side effect prediction method and system based on an attention mechanism, and the method comprises the steps: 1, obtaining psychotropic drug-drug combination pairs with drug interaction labels from a drug database, and dividing the psychotropic drug-drug combination pairs into a training set, a verification set and a test set; 2, building a deep learning model, wherein the deep learning model comprises a global attention layer, a multi-head attention layer, a standardized cascade layer, a global average pooling layer and a normalization output layer which are connected end to end; and 3, fitting the model on the training set, evaluating on the verification set to select an optimal model, and finally performing prediction verification on the test set. According to the method, the blank of predicting the side effect of the psychotropic drug combination drug is filled up, accurate and reliable prediction is made under the condition that ...

Compositions and uses thereof

The invention provides a composition containing a hyaluronic acid-glutamic acid graft compound and palmitoyl tetrapeptide-7, the mass ratio of the graft compound to the palmitoyl tetrapeptide-7 is in a range of 1: 5-5: 1, and the composition can significantly improve the anti-inflammatory effect of the hyaluronic acid-glutamic acid graft with high grafting degree. Therefore, the composition has two major effects of long-acting anti-inflammation and effective anti-inflammation.

Method and device for quickly adjusting tube current of X-ray bulb tube and CT (Computed Tomography) equipment

The invention provides a fast tube current adjusting method for an X-ray bulb tube, and the method comprises the steps: obtaining a tube current difference between a tube current at a current moment and a tube current at a previous moment, and obtaining a first adjustment item based on the tube current difference and a first adjustment coefficient; obtaining the sum of historical error deviators until the current moment in the adjusting process of the tube current, and obtaining a second adjusting item according to the sum of the historical error deviators and a second adjusting coefficient; taking the sum of the first adjusting item and the second adjusting item as a filament current adjusting quantity; and filament current adjustment is carried out on the filament current of the X-ray bulb tube based on the filament current adjustment quantity, so that the tube current of the X-ray bulb tube reaches a target value, the first adjustment coefficient at the previous moment is greater than ...

Sulfur hexafluoride discharge degradation device and degradation method

The invention relates to the technical field of gas purification devices, in particular to a sulfur hexafluoride discharge degradation device and a degradation method. The discharge degradation device comprises a gas supply unit, a stirring and mixing unit and a discharge reaction unit, the gas supply unit comprises a gas supply main pipe, and an inert gas supply module, a sulfur hexafluoride supply module and an external gas supply module which are connected with the gas supply main pipe; the inert gas supply module, the sulfur hexafluoride supply module and the external gas supply module can supply inert gas, sulfur hexafluoride gas and reaction gas to the gas supply main pipe respectively, and the inert gas, the sulfur hexafluoride gas and the reaction gas are stirred by the stirring and mixing unit, so that the inert gas, the sulfur hexafluoride gas and the reaction gas can be fully mixed. The discharge reaction unit is used for carrying out discharge reaction on the mixed gas, so that ...

VIDEO CALL METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM

The embodiments of the present disclosure relate to a video call method and apparatus, an electronic device, and a computer-readable storage medium. In said method, a video call is made in response to a video call operation instruction by means of a first application program of a first terminal and a second application program of a second terminal. As the first application program is installed on the first terminal, and the second terminal can load an applet having a call function by means of a third application program, the video call between the first terminal and the second terminal can be implemented.

Piston type compressor

... 本实用新型提供种应用于压缩机产品领域的活塞式压缩机，所述的活塞式压缩机的主动齿轮(5)与能够带动主动齿轮(5)转动的电机(4)连接，从动齿轮(6)与主动齿轮(5)啮合，从动齿轮(6)与行星架(7)连接，行星轮(8)与行星架(7)连接，行星轮(8)与中心固定齿轮(9)内壁齿轮啮合，连杆(3)端与活塞(2)连接，连杆(3)另端与行星轮(8)边沿部活动连接，本实用新型的活塞式压缩机，能够平衡活塞式压缩机各运动部件惯性力和惯性力矩，克服以往活塞式压缩机二阶惯性力无法平衡的不足，提高压缩机的动力性能。 ...

System and method for stripping high-ammonia-nitrogen, high-calcium and high-sulfate wastewater through cooperation of flue gas and steam

The invention discloses a system and method for blowing off high-ammonia-nitrogen, high-calcium and high-sulfate wastewater through cooperation of flue gas and steam, the system comprises a rectifying tower, a compressor, a high-ammonia-nitrogen, high-calcium and high-sulfate wastewater storage tank, a steam generation device, an ammonia water storage tank and a deamination wastewater storage tank, the structural design is reasonable, and the process is simple. According to the method for stripping the high-ammonia-nitrogen, high-calcium and high-sulfate wastewater through cooperation of the flue gas and the steam, pressurized flue gas is introduced while the ammonia-nitrogen, high-calcium and high-sulfate wastewater is raised through the steam, the pressure of the pressurized flue gas is limited to be 5-30 kPa, and the introduction flow is 3-8 m < 3 >/h. The flue gas can react with calcium in the wastewater, the solubility product of CaCO3 in the wastewater is smaller than that of CaSO4 ...

Operation and maintenance data processing method and system based on cloud network fusion technology

The invention provides an operation and maintenance data processing method and system based on a cloud network fusion technology, and the method comprises the steps: enabling a cloud server to receive a function updating request sent by a request end, enabling request function information which is the same as original function information to serve as unchanged function information, and enabling request function information which is different from the original function information to serve as variable function information; obtaining a preset function code corresponding to the change function information in a preset database, and filling the preset function code in a corresponding change code area; obtaining verification strategy information in the function updating request; and when it is judged that the update installation condition is met, an original function code corresponding to the original function information is obtained, the original function code is filled in the corresponding ...

Ring gear radial run-out measuring intelligent synchronization mechanism

... 本实用新型公开了一种齿圈径向跳动测量智能同步机构，包括竖向布置的测量杆，在测量杆的顶端设置有数显千分表，在测量杆的底端设置有测量头，测量杆固定在测量杆支架上，在测量杆支架的下方设置有凸轮，凸轮与第三步进电机传动连接；在测量杆的下方设置有被测齿轮，被测齿轮固定在右对准轴上，右对准轴与第二步进电机传动连接；所述第二步进电机与第三步进电机均与运动面板控制器连接。本实用新型通过第二步进电机控制被测齿轮的逐齿转动，通过第三步进电机控制测量杆的抬起和降落，并通过运动面板控制器控制两者的协调运动，可大幅度提高实验效率并能一定程度的改善测量精度。 ...

Portable optical optimization method and system for detecting infrared light in characteristic components

The invention discloses a portable detection characteristic component mid-infrared optical optimization method and system, and the method comprises the steps: collecting a fixed-volume gas in a fixed field range of power equipment in a power system, and recording the fixed-volume gas as a first to-be-detected gas; acquiring the light absorptivity of the target gas in the first gas to be detected under cavity ring-down and the concentration of the target gas under frequency modulation; acquiring an ultrasonic signal generated after target gas in the first to-be-detected gas absorbs light energy and the concentration of the target gas in a gas filtering state; and according to the light absorptivity, the target gas concentration under frequency modulation, the ultrasonic signal and the target gas concentration under a gas filtering state, in combination with a discrimination formula, discriminating the infrared light in the gas to be detected within a fixed range of power equipment in the ...

Anti-inflammatory composition and application thereof

The invention provides an anti-inflammatory composition which comprises palmitoyl tetrapeptide-7, acetylated hyaluronic acid or salt thereof and hydrolyzed hyaluronic acid or salt thereof with the molecular weight smaller than 50 kDa, and the mass ratio of the hydrolyzed hyaluronic acid or salt thereof to the acetylated hyaluronic acid or salt thereof is larger than 1: 1. The anti-inflammatory composition provided by the invention not only can overcome the anti-inflammatory antagonism between acetylated hyaluronic acid or salt thereof and palmitoyl tetrapeptide-7, but also can better inhibit the expression of inflammatory factors compared with single use of each component, and has an anti-inflammatory synergistic effect.

AI-based man-machine interface automatic optimization design drawing method and device

The invention relates to a drawing method and device, belongs to the field of computer aided design, and particularly relates to an AI-based human-computer interface automatic optimization design drawing method and device. According to the method and the device, design is carried out based on a prototype graph, the prototype graph is input, an interface and parameters are output, and the prototype graph can be optimized. Therefore, rapid design from the prototype drawing to the finished product drawing can be realized, and the labor cost and the communication cost are reduced. And the design efficiency and drawing efficiency of designers can be greatly improved. The calculation efficiency of the adopted algorithm is higher than that of other algorithms.

Air preheater

... 本实用新型公开了一种空气预热器,包括若干相互连接的管箱，所述相邻管箱通过截面为Ω型的连接板连接，所述连接板包括弓形缓冲变形段和固接于弓形缓冲变形段两边沿的连接段，所述两连接段分别焊接于相邻管箱的侧壁上；所述连接板由耐高温材料制作；该预热器管箱之间采用具有弹性的Ω型的连接板连接，避免了管箱受热发生形变而导致焊缝开裂。 ...

Multi-energy system optimal configuration method, device, equipment and medium

The invention belongs to the technical field of multi-energy system optimization, and particularly relates to a multi-energy system optimization configuration method and device, equipment and a medium. According to the multi-energy system optimal configuration method provided by the invention, evaluation indexes of three levels are constructed, multiple dimensions such as system cost, economic operation and environmental influence are covered, and the problem that the multi-energy system lacks a scientific and unified evaluation method is solved. The method has high promotional value and can guide scientific research and design work of related multi-energy systems. Moreover, a dynamic simulation platform is also constructed in the scheme and is used for analog simulation calculation, dynamic analog simulation can be accurately carried out on the operation condition of the multi-energy system, and the method can be popularized to analog simulation of similar systems.

Application, method and composition for inhibiting and/or slowing down decomposition of hyaluronic acid or salt thereof and/or maintaining effect of hyaluronic acid or salt thereof

The invention provides an application of a collagen substance, a combination of the collagen substance and chondroitin sulfate, a composition containing the collagen substance or the composition containing the collagen substance and the chondroitin sulfate in inhibiting and/or retarding decomposition of hyaluronic acid or salt thereof, and/or maintaining the effect of the hyaluronic acid or the salt thereof. The invention further provides a composition containing the hyaluronic acid or the salt thereof. The composition comprises the hyaluronic acid or the salt thereof, collagen substances and/or chondroitin sulfate. Degradation of the hyaluronic acid or the salt thereof is inhibited and/or slowed down, the effect of the hyaluronic acid or the salt thereof is maintained, the safety risk of a human body caused by addition of an enzyme preparation in a formula is avoided, and the effect of the hyaluronic acid or the salt thereof is safely and effectively prolonged.

Method for producing xylooligosaccharide through hydrothermal pretreatment of lignocellulose

The invention discloses a method for producing xylooligosaccharide through hydrothermal pretreatment of lignocellulose, and belongs to the field of biochemical engineering. The method comprises the following steps: crushing lignocellulose biomass, mixing the crushed lignocellulose biomass with deionized water, uniformly mixing, loading into a high-temperature and high-pressure reaction kettle, introducing CO2, heating to a preset temperature, starting timing, carrying out solid-liquid separation after the reaction is finished, and carrying out enzymolysis on the obtained liquid to obtain the xylooligosaccharide. According to the method, carbon dioxide assisted hydrothermal pretreatment in a subcritical state is utilized, reaction is carried out under the conditions of fixed temperature and pressure, a compact interwoven structure formed among cellulose, hemicellulose and lignin in the raw materials is broken, most xylo-oligosaccharide can be separated out by using the method, meanwhile, ...

Crystallizer for preparing tin-phosphor bronze bar and horizontal continuous casting method

The invention discloses a crystallizer for preparing a tin-phosphor bronze bar and a horizontal continuous casting method. The horizontal continuous casting method comprises the following steps that firstly, feeding and smelting are conducted according to the composition proportion of the tin-phosphor bronze bar; and secondly, the qualified molten liquid obtained in the first step is subjected to pull casting, the pull casting pitch is 2-6 mm, the traction speed is 300-550 mm/s, the dwell time is 100-300 ms, the cooling water inlet/outlet temperature of a crystallizer is 30-40 DEG C/50-60 DEG C, the cooling water pressure is 0.04-0.08 MPa, the temperature of a heat preservation furnace is 1140-1200 DEG C, the temperature of a graphite base is 750-900 DEG C, the pull casting frequency is 100-150 times/min, the casting blank outlet temperature is 300-500 DEG C, and the electromagnetic stirring frequency is 30-50 HZ. According to the crystallizer and the horizontal continuous casting method ...

Self-climbing slip form system for concrete of dam body panel of pumped storage power station and use method of self-climbing slip form system

The invention relates to the technical field of hydropower and water conservancy construction, and particularly discloses a pumped storage power station dam body panel concrete self-climbing type slip form system and a using method of the pumped storage power station dam body panel concrete self-climbing type slip form system. The climbing assembly is used for driving the concrete laying device to move in the gradient direction of the slope protection, and the moving mode comprises climbing motion or reciprocating motion; the concrete laying device comprises a shell, a concrete conveying pipe and a vibrating assembly. An opening is formed in the bottom of the shell; the concrete conveying pipe is slidably arranged on the shell through a moving assembly, and the moving assembly is used for driving the concrete conveying pipe to reciprocate in the length direction of the shell; the outlet end of the concrete conveying pipe is arranged above the opening; the vibrating assembly is installed ...

Process and system for preparing methylcyclohexane from toluene

The invention discloses a process and system for preparing methylcyclohexane from toluene, and the process comprises the following steps: mixing a raw material toluene with a circulation material flow to form a first mixed material, preheating the first mixed material, and mixing the preheated first mixed material with a raw material hydrogen to form a second mixed material; the second mixed material enters a reaction process after being heated and overheated, and a toluene hydrogenation reaction is carried out under the action of a catalyst; performing heat exchange on a reaction product and the first mixed material, performing condensation and gas-liquid separation to obtain a first gas phase and a first liquid phase, mixing the first gas phase with newly input hydrogen, and performing low-pressure separation on the first liquid phase to obtain a second gas phase and a second liquid phase; one part of the second liquid phase is used as a circulating material flow to be mixed with newly ...

Automatic test system and method for error vector amplitude

The invention discloses an automatic test system and method for error vector amplitude. The automatic test system comprises a test upper computer, transparent physical equipment, a tested communication unit, a programmable attenuator and an error vector amplitude analyzer, the test upper computer is used for controlling the transparent physical equipment to generate a test message of error vector amplitude; the transparent physical device is used for sending the test message of the error vector amplitude to the tested communication unit through a carrier channel; the tested communication unit is used for repeatedly sending a tested signal to the programmable attenuator through a wireless channel according to the received test message; the programmable attenuator is used for adjusting the size of a tested signal sent by the tested communication unit and sending the adjusted tested signal to the error vector amplitude analyzer; and the error vector amplitude analyzer is used for carrying ...

Cosmetic composition and application thereof

The invention discloses a cosmetic composition which contains oleogel and a water phase, the water activity value of the water phase is controlled to be 0.87 or below, diffusion of water molecules in the water phase into the oleogel can be greatly reduced, and the visual transparency of the oleogel is maintained.

High-performance chromium bronze bar and preparation method thereof

The invention discloses a high-performance chromium bronze bar and a preparation method thereof. The chromium bronze bar comprises the following alloy components in percentage by mass: 0.2-0.65% of Cr, 0.1-0.5% of Ti, 0.1-0.5% of Ag, 0.1-0.5% of Mg and the balance of Cu. The preparation process comprises the steps of semi-continuous casting and electromagnetic stirring, water seal extrusion, acid pickling, drawing and finished product aging. The alloy element ratio is scientific and reasonable, the alloy elements of Ti, Ag and Mg are introduced, the size, morphology and crystal structure of a Cr precipitated phase are controlled, the strength, conductivity, softening temperature and other performance of the material are improved, the preparation process is simple, the conductivity of the prepared chromium bronze bar is larger than or equal to 85% IACS, the tensile strength is larger than or equal to 650 Mpa, the softening temperature is larger than or equal to 650 DEG C, A100 mm is larger ...

Real-time decompression data processing system and method

According to the real-time decompression data processing system and method based on the CPU + FPGA architecture, the FPGA is used for completing decompression processing, has rich computing resources and has the advantages of being low in power consumption, small in time delay, large in throughput capacity and the like, meanwhile, due to the fact that the FPGA is of an instruction-free and memory-sharing-free system structure, the computing efficiency of the FPGA is higher than that of a CPU or even a GPU, and the FPGA can be applied to the real-time decompression data processing system and the real-time decompression data processing method based on the CPU + FPGA architecture. Under the condition of code rate input, compressed image data of the JPEG2000 compression standard can be processed in real time.

MOVABLE MODEL SYSTEM AND METHOD FOR CONTROLLING MOVABLE MODEL

A movable model and a method for controlling the movable model, comprising a bottom base (1), a column (2), a top bracket (3), a control box (4), a movable model (5), at least three left lines modules (6, 7, 8), at least three right lines modules (9, 10, 11), wherein the lower end of the column (2) is fixed to the bottom base (1), the upper end of the column (2) is fixed to the top bracket (3), the movable model (5) is fixed to the bottom base (1), the control box (4) is fixed to said column (2), at least three left lines modules (6, 7, 8) are fixed to the left side of the top bracket (3) and connected to the wrist of the left arm (5.2) of the model by each line, and at least three right lines modules (9, 10, 11) are fixed to the right side of the top bracket (3) and connected to the wrist of the right arm (5.3) of the model by each line. Said control box (4) controls the lines winding or unwinding of at least three left lines modules (6, 7, 8) and at least three right lines modules (9, ...

Data acquisition method and device, storage medium and electronic equipment

The invention provides a data acquisition method and device, a storage medium and electronic equipment, and can be applied to the field of network security or finance. Searching ciphertext data corresponding to the query request from ciphertext data pre-stored in a database; decrypting the ciphertext data to obtain plaintext data of the ciphertext data; on the basis of a user role included in the query request, through a preset permission table, determining sensitive information, in which a user does not have access permission, in the plaintext data; carrying out hiding processing on sensitive information in the plaintext data to obtain target data; and feeding back the target data to the user. Visibly, according to the scheme of the invention, the sensitive information without the access permission of the user in the plaintext data is determined through the preset permission table, and then the sensitive information in the plaintext data is hidden, so that the sensitive information is ...

Nonwovens and absorbent articles comprising same

The present invention relates to an absorbent article comprising a liquid permeable topsheet, a liquid impermeable backsheet, an absorbent core disposed between the topsheet and the backsheet, and an intermediate layer disposed between the topsheet and the absorbent core wherein the intermediate layer comprises a nonwoven comprising a plurality of apertures, absorbent fibers, and ultrafine fibers, wherein the nonwoven comprises about 3% to about 35% ultrafine fibers by weight of the nonwoven, and the open pores have a hydraulic diameter in the range of about 600 [mu] m to about 4500 [mu] m; or wherein the absorbent fibers are staple fibers having a fiber length of not less than about 30 mm, and the nonwoven has an air permeability of not less than about 110 m3/m2/min as measured by an air permeability test and a wicking rate of not less than about 120 mm at 300 s as measured by a wicking rate test; or wherein the nonwoven has a degree of fiber blending of no less than about 0.040 as measured ...

Hoisting equipment

The invention belongs to the technical field of lifting, and discloses lifting equipment which comprises a power device, a supporting device and a lifting rope, the power device comprises a first power source, the first power source comprises two first mounting frames which are oppositely arranged, a first rotating shaft is rotationally connected between the two first mounting frames, and the first rotating shaft can rotate around the axis of the first rotating shaft; the supporting device comprises a first rotating wheel, a second rotating wheel and a third rotating wheel, one end of the lifting rope is fixedly connected to the sleeve, the lifting rope can sequentially bypass the sleeve, the first rotating wheel, the second rotating wheel and the third rotating wheel, and the other end of the lifting rope is fixedly connected with a hook. The lifting equipment can replace a maintainer to carry a to-be-replaced part onto the tower, so that the load of the maintainer is reduced, the working ...

Image quality correction method based on camera device

The invention provides an image quality correction method based on a camera device, and belongs to the technical field of camera devices, and the method specifically comprises the steps: obtaining an image of the camera device, and when the image quality of the image cannot meet the requirement, and the weather condition or the ambient light intensity is not abnormal, outputting a correction result; when it is determined that a suspected fault exists at least based on the operation time of the camera device, the duration of a specific weather condition in the operation time and the accumulated duration of the suspected dust deposition, obtaining an image when the weather condition and the ambient light intensity are normal as a historical image; and determining the dust deposition degree of the camera device based on the accumulated time of the abnormal image quality of the historical image, the worst value of the image quality of the historical image in the accumulated time and the image ...

Steam cleaning machine for fire investigation

The invention is suitable for the technical field of fire investigation auxiliary equipment, and provides a fire investigation steam cleaning machine which comprises a cleaning machine main body, the cleaning machine main body is communicated with a conveying cavity formed in a spray gun through a conveying pipe, a spray pipe is installed at one end of the spray gun, and the fire investigation steam cleaning machine further comprises a control mechanism, the control mechanism comprises a mounting box, a connecting pipe, a control assembly, a rotating assembly, a springback piece and a screw rod; the screw rod is connected with the protection mechanism mounted on the outer wall of the spray pipe; the opening and closing assembly comprises a fixing piece, an opening and closing door and an elastic piece. According to the steam cleaning machine for fire investigation, the control mechanism is matched with the conveying cavity and the opening and closing assembly, so that the working state ...

L-lactic acid, polylactic acid, bacillus coagulans and application and method thereof

The invention belongs to the technical field of bioengineering, and particularly relates to L-lactic acid, polylactic acid, bacillus coagulans and application and method thereof, the strain number of the bacillus coagulans is Plith001, the bacillus coagulans are preserved in the China Center for Type Culture Collection, the preservation number of the bacillus coagulans is CCTCC NO: M2022570, the preservation date of the bacillus coagulans is May 9, 2022, and the nucleotide sequence of the 16srDNA gene of the bacillus coagulans is shown as SEQ ID NO.1; the bacillus coagulans can obviously and stably grow in an acid environment; or the bacillus coagulans can stably produce acid; or in the lactic acid fermentation process, the use of calcium hydroxide is effectively reduced, and the generation of a calcium sulfate solution is indirectly reduced; or used for synthesizing polylactic acid; or the method is used for synthesizing L-lactic acid.

Thin-walled complex parts of the hole in the clamp for precision machining and its method of use

... 薄壁复杂零件内孔精加工夹具及其使用方法，其结构为：在主体上设置支撑板，支撑板的顶端通过螺栓固定有钻模板，钻模板上设置有插销孔I和插销孔II；支撑板的左右两边分别固定有支座I，转板I横跨两个支座I，并使用螺栓与两个支座I连接，在转板I的上表面设置有可调支撑I和可调支撑II；压板两端通过螺栓连接在支撑板上，并与转板I相互平行；在主体的上表面还设置有两个支座II，转板II使用螺栓连接在两个支座II的上表面，转板II上设置有可调支撑III。本发明通过上述方案，提供了种结构简单、使用方便、能够防止零件形变且保证零件孔同轴度和精准度的加工夹具，解决了现有技术中存在的由于零件形变而引起的同轴度不能保证和产品质量精度低的技术问题。 ...

HPLC module fault identification method and device

The invention discloses an HPLC (High Performance Liquid Chromatography) module fault identification method and device. The method comprises the following steps: respectively carrying out HPLC module hardware fault identification, HPLC module local serial port communication fault identification, HPLC module networking fault identification, HPLC module electric power communication service fault identification, HPLC module communication performance fault identification and communication network fault identification on a detected HPLC module. According to the method and the device provided by the embodiment of the invention, the working state of the HPLC module is covered as many as possible in the test steps as few as possible, so that rapid fault analysis and identification are realized, the detection time is effectively utilized, and the detection efficiency is greatly improved.

Method and system for green preparation of hexamethylene diisocyanate

The invention provides a method and a system for green preparation of hexamethylene diisocyanate. The system comprises a first thermal decomposition reaction device and a second thermal decomposition reaction device which are connected in series, a bi-component heat carrier composed of a low-boiling-point heat carrier and a high-boiling-point heat carrier is selected; a first fractional condenser and a second fractional condenser are arranged. The preparation method has the beneficial effects that the product hexamethylene diisocyanate is prevented from staying for a long time at a high temperature, so that further polymerization reaction is avoided; the byproduct methanol generated by the thermal decomposition reaction is continuously carried out of the reaction system by the low-boiling-point carrier, so that the thermal decomposition reaction is continuously carried out in the forward direction; the problem that the side reaction is aggravated due to the increase of isocyanate concentration ...

Resource allocation method and device

The invention provides a resource allocation method and device, the method is applied to a server, and the method comprises the following steps: receiving an operation instruction executed by a user in a code editing page; determining whether the operation instruction is a click instruction for an execution button in the code editing page; if the operation instruction is a click instruction for an execution button in the code editing page, determining a code edited by a user in a code editing area of the code editing page, a programming language of the configured code and an operating system of the application; according to a programming language and an operating system, matching with a resource allocation table, and determining a prediction resource occupied during code execution; the predicted resources are allocated to the code to execute the code. According to the method, the corresponding resource is correspondingly allocated by determining which stage of code editing the operation ...

GIS equipment PD type determination method and system for optimizing SVM based on northern eagle algorithm

The invention relates to the technical field of GIS equipment PD type identification, and particularly discloses a GIS equipment PD type determination method and system based on an SVM optimized by a northern eagle algorithm. On one hand, an initial population of an original northern eagle optimization algorithm is randomly generated, which may cause uneven distribution of individual positions of the initial population, and the initial population is not randomly generated; a chaotic mapping strategy is introduced to improve the quality of the initial population; on the other hand, a nonlinear shrinkage factor CF is introduced in the development stage of the algorithm to replace a linear shrinkage factor R in an original northern eagle optimization algorithm, and the optimization speed of the algorithm is increased; and finally, aiming at the problem that the original northern eagle optimization algorithm is easy to fall into local optimum in the optimization process, a plane mirror reflection ...

Portable small soil stirrer for test

The invention discloses a portable small soil stirrer for a test, which comprises a handle type main machine and a stirring head, and the stirring head is fixedly connected to a stirring shaft; the host comprises a shell, a motor is arranged in the shell, one end of an output shaft of the motor is connected with a stirring shaft, and one end of the stirring shaft penetrates through the host horizontal section and is fixedly connected with the output shaft of the motor; the host is also connected with a liquid crystal display; the liquid crystal display is electrically connected with the motor; the stirring table corresponds to the stirring head; and the stirring table is used for preventing materials from splashing in the material stirring process. The portable small soil stirrer for the test is provided with the liquid crystal display, has a digital display function and can adjust setting of different rotating speed gears and stirring time, and meanwhile, the handheld handle type main ...

Ultrasonic-assisted enzyme method for extracting monascus yellow wine lees for fermentation of L-lactic acid

The invention provides a preparation method of a red yeast rice yellow wine lees nitrogen source. According to the method, a method of combining ultrasonic waves and an enzyme method is adopted, and protein is extracted from red yeast rice yellow wine vinasse and used for fermentation of L-lactic acid. The method comprises the following steps: firstly, adding a compound enzyme to carry out enzymolysis, and carrying out ultrasonic treatment under the assistance of the enzymolysis at the same time at the ultrasonic power of 400-600w for 20-30min; by adopting the method, rich soluble protein, polypeptide, amino acid and partial starch hydrolysate can be obtained, the protein content reaches 70% or above, the waste and difficult-to-treat red yeast rice yellow wine lees serve as a nitrogen source for lactic acid fermentation to be comprehensively utilized, waste of lees resources is avoided, the additional value of products is greatly improved, the treatment cost of residues is saved, and the ...

Low-pressure cylinder zero-output heat supply unit with long-blade inlet unit and coupling heat supply system

The low-pressure cylinder zero-output heat supply unit comprises a low-pressure cylinder and an intermediate-pressure cylinder, a steam exhaust port of the intermediate-pressure cylinder is connected with a first communicating pipe and a second communicating pipe, the tail ends of the first communicating pipe and the second communicating pipe are connected with a steam inlet of the low-pressure cylinder, a heat supply butterfly valve is arranged on the first communicating pipe, and a heat supply butterfly valve is arranged on the second communicating pipe. The second communicating pipe is provided with an orifice plate flowmeter and a cooling steam adjusting valve, and a steam outlet of the low-pressure cylinder is connected with a condenser. An original steam inlet pipeline of the low-pressure cylinder is cut off for steam inlet, the running state of the low-pressure cylinder is changed into a small-volume flow working condition, and a water spraying temperature reduction system and a ...

Steel fireproof door crack and door frame post-grouting device and door crack post-grouting method

The invention discloses a steel fireproof door crack and door frame post-grouting device and a door crack post-grouting method, the steel fireproof door crack and door frame post-grouting device comprises a spraying pipe, the spraying pipe is provided with a closed end and an open end, a holding part is formed at the closed end, and a feeding hole is formed in the side wall of one side, far away from the holding part, of the closed end; the storage hopper is used for containing slurry, and a discharging opening of the storage hopper is connected to the feeding opening; the impeller is used for pressurizing and pushing the slurry to the open end, is rotatably mounted in the spraying pipe and is opposite to the feeding hole; the driving motor is mounted at the closed end and is in transmission connection with the impeller; the pressurizing nozzle is provided with a large opening end and a small opening end, the large opening end is detachably mounted at the opening end, an opening of the ...

Fracturing truck set remote one-key starting device and starting method thereof

The invention discloses a fracturing truck set remote one-key starting device and a starting method thereof, and relates to the technical field of oil field operation equipment, and the fracturing truck set remote one-key starting device comprises a fracturing truck set remote control system, a fracturing truck set remote video monitoring system and a fracturing truck chassis control device. Original manual operation content is completely replaced by program control, the automation degree is high, the operation content and the operation difficulty of personnel are reduced, and the working efficiency of starting the fracturing truck set is improved.

Transformer oil gas on -line monitoring device's inputoutput interface circuit board

... 本实用新型公开了种变压器油气在线监测装置的输入输出接口电路板，微机分析处理单元与继电器连接，继电器与继电器输出装置连接，微机分析处理单元与模拟信号输入通道连接，模拟信号输入通道与模拟输入处理单元连接，模拟输入处理单元与RS-232和RS-485处理单元连接，RS-232和RS-485处理单元分别与RS232通讯接口和RS485通讯接口连接，微机分析处理单元与模拟输出处理单元连接，模拟输出处理单元与模拟信号输出通道连接；解决了现有技术油气在线监测装置的输入输出接口电路接口较少，接口分散在不同的电路板上，存在集成化程度低，抗干扰能力弱，接口不充足，占用空间大，且运行不稳定等技术问题。 ...

Preparation method of 1, 4-butanediol polyester

The invention discloses a preparation method of 1, 4-butanediol polyester. The preparation method of the 1, 4-butanediol-based polyester comprises the following steps: in the process of preparing the 1, 4-butanediol-based polyester by taking dibasic acid and 1, 4-butanediol as main raw materials, under the synergistic catalysis of a main esterification catalyst and an auxiliary esterification catalyst and the action of a polymerization catalyst, the 1, 4-butanediol-based polyester is obtained; the by-product tetrahydrofuran is subjected to ring opening again and participates in the polymerization process, and a high-molecular-weight 1, 4-butanediol-based polyester material is obtained; the content of a byproduct tetrahydrofuran in the polymerization process is less than or equal to 1.0 wt%, and the molecular weight of the obtained 1, 4-butanediol polyester is more than or equal to 200000. According to the method, the generation of a byproduct tetrahydrofuran is reduced, the consumption ...

Cosmetic composition and use thereof

The invention provides a cosmetic composition, which comprises hyaluronic acid or a salt thereof and glutamic acid or a salt thereof, the mass ratio of the hyaluronic acid or the salt thereof to the glutamic acid or the salt thereof is 1: 10-5: 1, and the molecular weight of the hyaluronic acid or the salt thereof is more than 10 kDa and less than 800 kDa. According to the composition disclosed by the invention, by reasonably optimizing a composition system of the hyaluronic acid or the salt thereof and the glutamic acid or the salt thereof, the antagonism generated by the hyaluronic acid or the salt thereof and the glutamic acid or the salt thereof is avoided, and the hyaluronic acid or the salt thereof and the glutamic acid can synergistically exert a more excellent skin care effect.

Coal conveying system

... 本实用新型涉及电力生产领域，公开了种输煤系统，该输煤系统包括：缓冲煤仓(20)，所述缓冲煤仓(20)的入口和出口分别设置在该缓冲煤仓(20)的顶部和底部；供煤单元，所述供煤单元与所述缓冲煤仓(20)的入口连通；以及碎煤机(30)，所述碎煤机(30)的入口与所述缓冲煤仓(20)的出口连通。本实用新型提供的输煤系统由于缓冲煤仓的设置，使得该输煤系统的碎煤机能够实现间断性运行，而现有技术中的输煤系统的碎煤机是连续运行的，显然，相比于现有技术，本实用新型中的输煤系统能够节省大量电能，同时能够大大延长碎煤机的检修周期，节省大量检修费用。 ...

Advertisement arriving user determination method and device, storage medium and gateway equipment

The invention provides a method and a device for determining an advertisement arriving user, a storage medium and gateway equipment, and the method comprises the steps: respectively determining a user portrait corresponding to each lower-hung terminal equipment of a home gateway according to a flow log of the home gateway; acquiring device information of each online terminal device under the home gateway according to a preset period, generating a mapping relation between the information acquisition moment and the device information of each online terminal device, and storing the mapping relation; determining an advertisement watching time period according to an advertisement watching log of the home gateway under the condition that a touch user determination rule is satisfied, and querying each mapping relation based on the advertisement watching time period to determine equipment information of each target terminal equipment; wherein the target terminal equipment is online terminal equipment ...

Method for inverting concentration of SF6 decomposition component CO2 based on ISFO-VMD-KELM

The invention discloses an SF6 decomposition component CO2 concentration inversion method based on ISFO-VMD-KELM, and the method comprises the steps: building an improved cheongfish optimizer based on a conventional cheongfish optimizer; collecting an original absorption spectrum, and preprocessing the original absorption spectrum; establishing an inversion model of the second harmonic amplitude of the absorption spectrum and the CO2 concentration by combining a nuclear extreme learning machine optimized by an improved semaphorus optimizer according to a preprocessing result; and performing a CO2 detection experiment according to the inversion model, and judging the operation state of the SF6 electrical equipment. According to the method, an original spectral signal is filtered by adopting self-adaptive variational mode decomposition optimized by an improved cheongfish optimizer in combination with a wavelet threshold method, high-frequency noise in the original signal is removed, and the ...

Preparation method of snow velvet flower-shaped self-assembled lithium titanate material and lithium battery negative electrode material

The invention provides a preparation method of a snow velvet flower-shaped self-assembled lithium titanate material and a negative electrode material, and the preparation method comprises the following steps: weighing a titanium source, a lithium source and an alkaline reagent, mixing and stirring in an aqueous solution, and slowly adding a morphology inducer into the solution to obtain a precursor solution; the morphology inducer is PVP (Polyvinyl Pyrrolidone) or W (CO) 6; fully stirring the precursor solution, carrying out hydrothermal reaction, naturally cooling, carrying out solid-liquid separation by using a centrifugal machine, collecting a precipitate, and drying; carrying out high-temperature calcination on the obtained precipitate; adding deionized water into the calcined precipitate, and adding into a ball mill for ball milling; drying the ball-milled slurry to obtain a lithium titanate material which is self-assembled into a snow velvet flower shape; the material can be used ...

Polyethylene glycol monomethyl ether polylactic acid copolymer as well as preparation method and application thereof

The invention provides a methoxypolyethylene glycol polylactic acid copolymer as well as a preparation method and application thereof. According to the method disclosed by the invention, the molecular weight and character of the final product can be adjusted by controlling the feeding ratio of the polyethylene glycol derivative to the lactide. By controlling the water content of the starting material, the molecular weight distribution of the prepared product is more uniform. The invention further develops a method for removing tin through adsorption by adopting the high-purity sulfydryl modified silica gel, and compared with a traditional tin removal method, the method is easy and convenient to operate, cost is saved, the technical effect that heavy metal residues are not detected can be achieved especially, and the method is especially suitable for large-scale industrial large-scale production.

Dynamic scheduling method for multiple types of tasks

The invention relates to a dynamic scheduling method for multiple types of tasks, and belongs to the technical field of dynamic scheduling of tasks. In combination with various characteristics and processing requirements of tasks, firstly, issued plan file field content is analyzed, a real-time specific message is sent to realize task plan information interaction, and task priority ranking is performed according to the obtained plan information to complete dynamic scheduling of the tasks. The task priority ranking adopts division logic judged by various attributes: a basic processing sequence is ranked according to the urgency and importance of the tasks, then, for different task types and different task processing modes, on the basis of a basic sequence scheduling mechanism, judgment of task priorities is completed, and the task processing priorities are set; and real-time application of the multi-type task dynamic scheduling method is completed.

On-duty working method and command platform based on multi-dimensional information one-stop portal

The invention discloses an on-duty working method based on a multi-dimensional information one-stop portal and a command platform, and relates to the technical field of command systems. The method comprises the following steps: consulting: acquiring a consulting request clicked by a watch keeper at an important item position, and displaying an item handled by a leader or an instruction of a superior for the watch keeper to consult; process management: at a process management and control position, collecting platform alarm, acquiring and clicking an event button, acquiring and clicking a start defect, starting a defect disposal process, supplementing a disposal record, updating a log record, switching to a defect subject, performing process tracking under a newly increased dimension of the value, and generating an on-duty log; the platform comprises a lookup module and a process management module. The information inquiry and recording in the on-duty work of the power supply employees are ...

Intelligent mine management method and system

The invention provides an intelligent mine management method and system. The method comprises the following steps: generating a full-scale surface area of a to-be-managed mine; performing grid division on the full-scale surface area of the to-be-managed mine based on a preset full-coverage land occupation grid to obtain a plurality of local-scale grid areas; calculating the local concavity and the local convexity of the local scale grid region based on the concave surface region and the convex surface region in each local scale grid region and the occupied area of the local scale grid region; on the basis of the local concavity and the local convexity of the two corresponding local scale grid areas of the same occupied grid in the adjacent collection periods, the morphological change degree of the occupied grid in the corresponding adjacent collection periods is calculated; determining a current danger area of the to-be-managed mine based on the morphological change degree of all the occupied ...

Production process of MacConkey agar culture medium

The invention relates to the technical field of culture medium production, in particular to a production process of a MacConkey agar culture medium. The production process comprises the following steps: ball-milling raw materials for preparing the MacConkey agar culture medium for 2-3 hours to obtain the MacConkey agar culture medium, before ball milling, raw materials such as neutral red and crystal violet are respectively subjected to crushing pretreatment, and during ball milling, the mass ratio of balls to the preparation raw materials is (1.0-1.5): 1. Through proper pretreatment, ball milling time and ball-to-material ratio, the granularity of the raw materials with slow dissolution speed is changed, the dissolution speed of the raw materials is improved, and finally the raw materials can be synchronously dissolved with other raw materials in the preparation and use process. Meanwhile, the provided production process parameters can improve the mixing uniformity of the raw materials ...

Fault detection method and device for station screen, electronic equipment and storage medium

The invention discloses a station screen fault detection method and device, electronic equipment and a storage medium. The method comprises the steps of collecting a video frame of a view angle where a target station screen is located; detecting a first graphic frame where the target station screen is located and a second graphic frame where an interferent is located in the video frame; performing shielding detection on the target station screen based on the first graphic frame and the second graphic frame; and if the first graphic frame and the second graphic frame are not overlapped, performing fault detection on the first graphic frame by adopting a cavity convolution model to obtain display state information of the target station screen. According to the invention, the technical problem that the fault detection of the station display screen based on vision cannot be carried out in the prior art is solved, and the method has the advantages of high recognition precision, wide recognition ...

Energy consumption type power transmission line windage yaw preventing device and operation method thereof

The invention discloses an energy consumption type power transmission line windage yaw preventing device and an operation method thereof, the energy consumption type power transmission line windage yaw preventing device comprises two ring sleeve assemblies, each ring sleeve assembly comprises a half inner ring seat, a supporting piece and a half outer ring pipe, the half inner ring seats are connected in the half outer ring pipes through the supporting pieces, and the half outer ring pipes are filled with liquid; water-soluble protection glue is arranged at two end openings of the half outer ring pipes to seal the end openings, and after the two half inner ring bases are arranged on the power transmission line in a sleeving mode, a preset distance is formed between the bottom ends of the two half outer ring pipes; the hanging pendulum assembly comprises an arc-shaped rod, a connecting rod and a hanging hammer, the two ends of the arc-shaped rod extend into the bottom end openings of the ...

Relay protection sampling automatic inspection method based on regulation and control cloud and big data analysis

The invention discloses a relay protection sampling automatic inspection system based on regulation and control cloud and big data analysis, and relates to the technical field of power relay protection. The system comprises an SCADA (supervisory control and data acquisition) system, an information protection system and a protection sampling inspection system, the SCADA system is connected to each protection terminal through a station control layer network, obtains a first sampling value of each protection terminal through load flow calculation, and outputs the first sampling value to the protection sampling inspection system; the information protection system is connected to each protection terminal through the station control layer network and is used for collecting a second sampling value of each protection terminal and outputting the second sampling value to the protection sampling inspection system; and the protection sampling checking system integrates the received first sampling value ...

Microbead for cosmetics and application thereof

The invention discloses a microbead for cosmetics and application thereof. The invention discloses a microbead and application thereof, the microbead comprises a water phase and an oil phase, the oil phase is completely wrapped outside the water phase, the oil phase comprises a solvent and a thickening agent, the thickening agent accounts for 6-15% by mass of the oil phase, and the solvent accounts for 85-94% by mass of the oil phase. The microbead has good stability, and when the microbead is applied to cosmetics, active ingredients wrapped by the microbead can be separated from other active substances in a cosmetic formula, mutual influence is reduced, and compatibility of all the ingredients is improved.

Sunscreen composition with spectral selectivity and application thereof

The invention discloses a sunscreen composition with spectral selectivity and application thereof.The sunscreen composition contains titanium dioxide and ferrous substances, the sunscreen composition combines the titanium dioxide and the ferrous substances, and has the spectral selectivity of transmitting beneficial light and blocking harmful light; the selective protection, beauty and skin care effects on spectrums are realized.

Foldable main transformer maintenance workroom

The invention provides a foldable main transformer maintenance workroom which comprises a workroom body, the workroom body is of a four-split structure, the split structures are connected with one another, and an inflatable stand column is arranged between every two adjacent split structures; the working chamber body comprises four side faces, a bottom face and a top face, and each face is made of waterproof transparent materials. The foldable main transformer overhaul workroom is designed to be of a four-body structure, installation is more convenient, the main body frame supporting columns are of an inflatable structure and are rapidly formed, all faces are covered with waterproof transparent materials, independent spaces are formed in the main body frame supporting columns, and the foldable main transformer overhaul workroom has the moisture-proof, dust-proof and visual functions.

Form UI walkthrough normalization detection method and device

According to the form UI walkthrough normativity detection method and device, the content involved in the normativity serves as a training set, the content to be detected serves as a test set, a sub-form UI detection method and a form UI overall scoring method are formed, modification suggestions are given, and repeated work of testers is reduced; therefore, the defects in the prior art can be overcome, the human-computer interface specification specified in the existing form UI design is automatically checked, the workload of testers is reduced, and the working efficiency is better improved.

Instrument for measuring the radial runout of the intelligent ring gear

... 本实用新型公开了一种智能型齿圈径向跳动测量仪，包括自动校准装置、自动测量装置以及数据采集和分析装置；所述自动校准装置包括导轨，在导轨上设置有左滑块和右滑块，在左滑块上设置有左对准轴，在右滑块上设置有右对准轴，左滑块与第一步进电机传动连接，右对准轴与第二步进电机传动连接；所述自动测量装置包括竖向布置的测量杆，测量杆固定在测量杆支架上，在测量杆支架的下方设置有凸轮，凸轮与第三步进电机传动连接；所述数据采集和分析装置包括USB数据线和计算机，数显千分表通过USB数据线和计算机连接。本实用新型从校准、测量以及数据采集和分析等方面，完全实现了智能化的自动控制，可大幅度提高实验效率并能改善测量精度。 ...

Hair treatment composition

The invention discloses a hair treatment composition, the composition contains a phase A and a phase B, the phase A and the phase B are non-mixed or non-uniformly mixed two phases, and the problem of'conditioning accumulation 'can be effectively solved by enabling the phase A and the phase B to contain at least one different surfactant and at least one different cationic polymer.

Polycaprolactone polyethylene glycol copolymer microsphere as well as preparation method and application thereof

The invention discloses biodegradable polycaprolactone polyethylene glycol copolymer microspheres and a preparation method and application thereof, the polycaprolactone polyethylene glycol copolymer microspheres have rough surfaces or unsmooth surfaces with irregular apertures, hydrophilic groups are introduced into the polycaprolactone polyethylene glycol copolymer microspheres, and the polycaprolactone polyethylene glycol copolymer microspheres have higher specific surface area; the hydrophilicity, dispersion stability and biocompatibility of the polycaprolactone polyethylene glycol copolymer are remarkably improved, the polycaprolactone copolymer microspheres are prepared by adopting a membrane emulsification method, and the polycaprolactone copolymer microspheres which have irregular pore diameters, rough surfaces, uniform particle sizes and concentrated particle size and molecular weight distribution are prepared. The cell adhesion capacity of the polycaprolactone polyethylene glycol ...

Tree pruning waste carbon emission prediction method and system, electronic equipment and medium

The invention belongs to the field of green land biomass calculation, and provides a tree pruning waste carbon emission prediction method and system, electronic equipment and a medium, and the method comprises the steps: obtaining tree community point cloud data, collected by a ground laser radar scanner, of a target area; performing point cloud segmentation on the point cloud data to obtain a point cloud text file of the target tree, and converting the point cloud text file into a three-dimensional structure model of the target tree in a 3D model file format by using a quantitative structure model; simulating the shape of the target tree after pruning according to pruning conditions and pruning parameters preset in Rhinoceros 3D modeling software, and calculating the pruning volume of the target tree; the target area is traversed with the single tree as the unit, the predicted pruning volume of the tree community is obtained, the carbon emission generated by the pruning waste is calculated ...

Intelligent early warning system and early warning method for secondary equipment of intelligent substation

The invention relates to an intelligent early warning system and early warning method for secondary equipment of an intelligent substation. The system comprises an on-line monitoring substation, an on-line monitoring master station, an intelligent early warning master station and a mobile operation and maintenance terminal hardware equipment network. The method comprises the steps that data such as MMS, GOOSE and SV are collected in a classified mode, the data are analyzed to construct an expert database preliminary model, value deep mining and model algorithm optimization are conducted on the data, finally, the whole collected data are analyzed on a standard expert database, and trend early warning is formed and pushed to a mobile terminal of operation and maintenance personnel. The method can prevent engineers from copying messages for analysis, solves the problem that errors are easy to make due to manual comparison of a large amount of data, and can improve the efficiency.

Change detection method based on hyperspectral image spectrum curve

The invention discloses a change detection method based on a hyperspectral image spectrum curve. The method comprises the following steps: acquiring a hyperspectral image set by using a hyperspectral sensor; preprocessing the hyperspectral image set to obtain consistent hyperspectral image information; performing image registration on the consistent hyperspectral image information to obtain registered image information; processing the registered image information by using a spectral reflectivity model to obtain a ground feature spectral value; processing the ground object spectrum value by using a spectrum curve matching model to obtain a change pixel value; and carrying out region merging on all the change pixel values of the registration image information to obtain a change detection result region. The method is simple to operate and easy to implement, interference of heterogenous data can be eliminated, the accuracy of digital image change detection is improved, and the method has good ...

Image analysis and transmission method of camera device

The invention provides an image analysis and transmission method of a camera device, which belongs to the technical field of camera devices, and specifically comprises the following steps: when the operation state and the real-time light intensity of an image transmission channel of the camera device are utilized to determine that an image needs to be identified, and when the real-time light intensity cannot meet the requirement, the image is identified; a LoG detection operator is adopted to extract feature points of the image of the camera device, scale information of the feature points is utilized to extract image feature vectors, and whether the image is an identification image is determined; and when the image is not a recognition image, determining an image compression mode based on the real-time light intensity, the image feature vector and the installation position of the camera device, and when the image is a second compression mode or the image is a recognition image, constructing ...

Tilt-rotor aircraft and control method thereof

The invention belongs to the technical field of aircraft design, and relates to a tilt-rotor aircraft and a control method thereof. Comprising a fuselage, wings, a horizontal tail, a vertical tail and a tiltable coaxial dual-rotor system, the tilting coaxial double rotors are adopted, the rotor disc area is reduced, the tilting rotors can be arranged on the inner sides of the wings to the maximum extent, the two engines are arranged in the middle of the fuselage, the tilting mass is reduced through the measures, the requirement for the structural strength of the wing roots of the wings is lowered, and the structural weight can be reduced easily; meanwhile, the engine is arranged in the middle of the fuselage, so that the problem that a deck or a runway is easily ablated by tail gas exhausted by the engine due to the built-in engine of the wingtip nacelle cloth is solved; the foldable coaxial double rotors are adopted, so that the power requirements of the aircraft in different flight states ...

High-sensitivity line finder

The utility model discloses a high-sensitivity line finder, which belongs to the field of line finders and comprises a transmitter body and a receiver body, two transmitter interfaces are arranged at the end of the transmitter body, a line finding probe is arranged in the middle of the upper end of the receiver body, and a line finding probe is arranged in the middle of the upper end of the receiver body. A movable cover is rotationally connected to the end, away from the emitter connector, of the emitter body, a clamping block is connected to the movable cover, a clamping groove matched with the clamping block is formed in the emitter body, a containing groove matched with the line finding probe is formed in the movable cover, and a positioning ball is connected to the side end of the emitter body. A lower positioning groove matched with the positioning ball is dug in the receiver body, a T-shaped groove is dug in the movable cover, a positioning rod is inserted in the T-shaped groove, ...

Copper alloy bar and preparation method thereof

The invention discloses a copper alloy bar. The copper alloy bar is characterized by comprising the following components in percentage by mass: 4.0 to 4.5 weight percent of Si, 16 to 18 weight percent of Ni, 3.0 to 4.0 weight percent of Mn, 0.1 to 0.3 weight percent of Fe and the balance of Cu and inevitable impurities. Si, Ni, Mn and Fe are added into a copper matrix, the addition amount of Si, Ni, Mn and Fe is controlled, the average grain size is 0.015-0.01 mm, and through solution strengthening and aging strengthening, the tensile strength of the copper alloy is larger than or equal to 650 MPa, the high-temperature softening resistance temperature is larger than or equal to 650 DEG C, the friction coefficient is 0.12-0.15, the corrosion-resistant weight loss is smaller than or equal to 1.2 mg/cm < 2 >, and the fatigue strength is larger than or equal to 360 MPa. The mechanical property requirement of the bearing retainer is met, and meanwhile the bearing retainer has good cold machining ...

GIS equipment PD type determination method adopting improved marine predator algorithm to optimize SVM

The invention relates to the technical field of GIS equipment PD type judgment, and particularly discloses a GIS equipment PD type judgment method adopting an improved marine predator algorithm to optimize an SVM (Support Vector Machine). On one hand, aiming at the problem that the initial population of the original marine predator algorithm is randomly generated, the individual position distribution of the initial population is possibly nonuniform, the population diversity is reduced, and the optimization speed is influenced, a chaotic mapping strategy and a reverse learning mechanism are introduced to improve the quality of the initial population; on the other hand, aiming at the defects that an original marine predator algorithm is easy to fall into local optimum, slow in convergence speed and the like, a multi-subgroup perturbation thought is provided. Averagely dividing the prey population of the marine predator disturbed by the FADs effect into two subgroups according to a fitness ...

Information transmission method and device, computer equipment and storage medium

The invention relates to an information transmission method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a receiving signal of target information; the received signal comprises a pilot signal; acquiring the frequency response of the pilot signal; determining a target estimation channel frequency response of the received signal based on the frequency response and the pilot frequency sending signal carried by the pilot frequency signal through a channel estimation algorithm; and performing data demodulation on the received signal based on the target estimation channel frequency response to obtain the target information. By adopting the method, the accuracy of information transmission can be improved.

Hyperspectral band selection method based on diagonal division of similarity matrix blocks

The invention relates to a hyperspectral band selection method, in particular to a hyperspectral band selection method based on diagonal division of similarity matrix blocks, which is used for solving the defects that the existing graph-based clustering algorithm performs clustering on a fixed input data graph and needs post-processing to extract clustering indexes. The hyperspectral band selection method based on similarity matrix block diagonal division comprises the steps of constructing an initial affinity matrix, constructing a block diagonal similarity matrix and selecting a representative band. According to the method, self-adaptive adjustment is allowed to be performed on the hyperspectral image in the clustering process, so that a high-quality similar graph is generated; the method comprises the following steps: firstly, learning an accurate affinity matrix by calculating the distance between wavebands in a hyperspectral image, constructing a block diagonal similarity matrix containing ...

Composition for promoting melanocortin receptor 2 expression and application thereof

The invention discloses a composition capable of promoting melanocortin receptor 2 expression, the composition comprises ergothioneine and achillea millefolium extract, the composition has a synergistic effect in the aspect of promoting MC-2R expression, the use effect of ergothioneine is widened, and a new way for promoting MC-2R expression is obtained.

Culture medium for rapidly producing D-lactic acid and preparation method

The invention belongs to the technical field of biological fermentation, and particularly relates to a culture medium for rapidly producing D-lactic acid, a preparation method and a strain for rapidly producing D-lactic acid, the strain is Escherichia coli (Plith002), the preservation address is Luojia Hill, Wuchang Road, Wuhan City, China Center for Type Culture Collection, and the preservation number is CCTCCM20221195; according to the method, firstly, the technological process is improved on the basis of strain activation and seed solution expanding culture modes, the time for preparing the seed solution from the beginning in the industrial production process can be shortened, the sleeving method of the technological process can keep the seed solution in a high-activity state all the time, and the production time cost is saved.

Copper alloy bar and preparation method thereof

The invention discloses a copper alloy bar. The copper alloy bar is characterized by comprising the following components in percentage by mass: 1.0-2.0 wt% of Si, 0.3-0.8 wt% of Mn, 0.01-1.2 wt% of Zn, less than or equal to 0.10 wt% of Fe, less than or equal to 0.007 wt% of Pb and the balance of Cu and inevitable impurities. The contents of Si, Mn and Zn in the copper alloy are controlled, the proportion of MnSi brittle phases is controlled, excellent cold heading performance and mechanical performance of the material are obtained, the tensile strength ranges from 360 Mpa to 450 Mpa, the yield strength ranges from 310 MPa to 400 MPa, the percentage reduction of area Z ranges from 40% to 60%, and the hardness HV ranges from 100% to 150%.

The radial runout of the gear ring a data acquisition and analysis device

... 本实用新型公开了一种齿圈径向跳动数据采集和分析装置，包括竖向布置的测量杆，在测量杆的顶端设置有数显千分表，数显千分表通过USB数据线和计算机连接，在测量杆的底端设置有测量头，测量杆固定在测量杆支架上，在测量杆支架的下方设置有凸轮，凸轮与第三步进电机传动连接，第三步进电机与运动面板控制器连接。本实用新型通过运动面板控制器控制第三步进电机转动，进而带动凸轮转动，实现测量仪杆智能升降，然后测量杆上方的数显千分表通过USB数据线将测量数据导入计算机并进行数据分析，更加方便、简单、直观。 ...

Screening method suitable for public place environmental health monitoring suspicious data

The invention provides a screening method suitable for environmental health monitoring suspicious data in public places. The screening method comprises the following steps: (1) constructing a database; (2) processing data attribute information; (3) correcting data format errors; (4) preliminarily screening suspicious data; (5) checking the data to be checked; (6) judging suspicious data; and (7) outputting a screening report and a database. The invention provides a screening method suitable for public place environmental health monitoring suspicious data. The screening method is suitable for cleaning, checking and screening of public place environmental health monitoring data. The established suspicious data range is scientific and reasonable, the operability is high, and the obvious innovativeness is achieved; the method plays an important role in improving the consistency of public place environmental health monitoring data quality evaluation indexes, the normalization of data cleaning ...

Cleaning device's scraper blade, cleaning device and dry -type slag extractor

... 本实用新型涉及火力发电厂炉渣处理装置领域，公开了一种清扫装置的刮板、清扫装置以及干式排渣机，所述刮板(10)包括相互连接的主体部(20)和柔性的刮渣部(30)，所述刮渣部(30)沿所述主体部(20)的宽度方向的至少一侧相对于所述主体部(20)向外凸出。通过上述技术方案，当将本实用新型提供的刮板用于干式排渣机的清扫装置时，通过清扫装置的清扫链的传动，柔性刮渣部的沿主体部的宽度方向相对于主体部向外凸出的部分用于刮除堆积在清扫装置的底板上的灰渣，由于刮渣部自身为柔性材料，从而能够有效地缓解刮板与设置在清扫链的下方的两个滑道板之间的摩擦，刮板具有较好的耐用性与耐磨性。 ...

Copper alloy and preparation method thereof

The invention provides a copper alloy and a preparation method thereof, the copper alloy comprises the following components in percentage by mass: 0.5 to 2.0 weight percent of Ni, 0.3 to 0.8 weight percent of S, 0.1 to 0.3 weight percent of P, 0.1 to 0.2 weight percent of Sn, 0.05 to 0.2 weight percent of Si and the balance of Cu and inevitable impurities, and the microstructure of the copper alloy is provided with Cu2S particles. The components and the microstructure of the copper alloy are designed, particularly the content ranges of Ni, P and Si elements are regulated and controlled, so that the material has high strength and high conductivity, Cu2S particles are formed by adding the S element, the cutting performance of the material is improved, and the material can be conveniently machined into a connector element.

Application of anthraquinone compound and composition containing anthraquinone compound

The invention discloses application of an anthraquinone compound and a product containing the anthraquinone compound. The compound disclosed by the invention not only can absorb harmful light contained in incident light, but also can convert the harmful light contained in the incident light into beneficial light, so that the compound disclosed by the invention is expected to achieve the beneficial effects of protecting the skin and promoting the generation of skin collagen while blocking the sun.

Navigation method and device for route in subway station, electronic equipment and storage medium

The invention discloses a navigation method and device for lines in a subway station, electronic equipment and a storage medium. The method comprises the following steps: determining an inbound station and an outbound station of a target subway line; acquiring first in-station people flow density information of the inbound station, and acquiring second in-station people flow density information of the outbound station; generating a first local navigation path of the inbound station according to the first in-station people flow density information, and generating a second local navigation path of the outbound station according to the second in-station people flow density information; and splicing the first local navigation path and the second local navigation path into a global navigation path of the target subway line. According to the invention, the technical problem that path navigation cannot be carried out in a subway station in the prior art is solved, a convenient in-station navigation ...

Supramolecule of gamma-aminobutyric acid-substance with cinnamic acid structure as well as preparation method and application of supramolecule

The invention discloses a supramolecule of a gamma-aminobutyric acid-substance with a cinnamic acid structure, a crystal form, a preparation method and application of the supramolecule, the supramolecule connects gamma-aminobutyric acid with the substance with the cinnamic acid structure through a non-covalent bond, and the supramolecule is added into cosmetics, so that the gamma-aminobutyric acid-substance with the cinnamic acid structure is obtained. The functional activity of the substance with the cinnamic acid structure can be remarkably improved, and the synergistic interaction of the GABA and the substance with the cinnamic acid structure can be realized.

Hoop with hook

The hoop comprises a hoop body, a plurality of hooks are arranged on the hoop body, reverse hooks bent towards the side where the hoop body is located are arranged at the upper ends of the hooks, and openings are formed between the reverse hooks and the hoop body. The problems that the climber is difficult to operate in severe weather and the slide is unstable to fix during electric pole operation are solved, the hoop with the hook is used as a supporting point to fix the slide, the hook is provided with the reverse hook with an opening, the unhooking condition during climbing operation is avoided, and the safety of climbing operation is improved. A worker can choose to hang the slide on the hoop or take down the slide, the hoop can be arranged on the electric pole all the time, the slide is convenient to disassemble and assemble, stable and reliable, and the ladder stand can be conveniently applied to climbing operation.

Preparation method of methyl ethyl ketazine

The invention discloses a preparation method of methyl ethyl ketazine, which comprises the following steps: S1, uniformly mixing a hydrogen peroxide solution with a stabilizer to obtain a first reaction solution; s2, uniformly mixing ammonia water, butanone and a catalyst to obtain a second reaction solution; s3, dropwise adding the preheated first reaction liquid into the second reaction liquid to carry out oxidation reaction, and obtaining methyl ethyl ketazine after the reaction is completed; the stabilizer is one or a combination of more of benzene phosphonic acid, allyl thiourea, symmetric diphenyl thiourea, nitrilo trimethylene phosphonic acid, 1-hydroxyethylidene diphosphonic acid, 1, 3-diamino-2-hydroxypropane-N, N, N ', N'-tetraacetic acid and mannitol; by optimizing the hydrogen peroxide stabilizer, the stabilizer can reduce the decomposition speed of hydrogen peroxide and improve the utilization rate of hydrogen peroxide, so that the loss of raw materials is reduced, the cost ...

Open Gauss database performance optimization method and system for NUMA CPU architecture

The embodiment of the invention relates to the technical field of databases, in particular to an open Gauss database performance optimization method and system for an NUMA CPU architecture, and aims to realize a performance optimization decision process of an open Gauss database running text record based on an AI frequent item of the open Gauss database running text record. In this way, the performance optimization decision of the open Gauss database running text records with different performance defects can be made, and the applicability of the performance optimization decision of the open Gauss database running text records is improved.

Slurry stopping device for preventing streaming of vertical joint of prefabricated diaphragm wall and construction method

The invention belongs to the field of underground structure engineering, and particularly discloses a slurry stopping device for preventing streaming of a vertical connector of a prefabricated underground diaphragm wall and a construction method.The slurry stopping device comprises a rubber bag arranged in an end groove of the prefabricated underground diaphragm wall and a steel water pipe installed on the rubber bag; the rubber bag is tightly attached to the side wall of the end groove of the prefabricated diaphragm wall and the vertical seam of the prefabricated diaphragm wall after the steel water pipe expands after being injected with water. When grouting and filling of the wall bottom and the side wall need to be carried out in a segmented mode, the grout stopping device is inserted into the end groove of the segment, water is injected into the rubber bag through the steel water pipe on the ground, and along with gradual expansion of the water injection bag, the grout in the end groove ...