吸顶无线网关（AP11CC/AP11D）

吸顶人体感应器（A15 /A15B）

Cultivation method of German chamomile on salinized land in arid region

The invention discloses a method for cultivating German chamomile on a salinized land in an arid region. The method comprises the following steps: (1) land selection and soil preparation; (2) laying drip irrigation belts; (3) sowing; (4) irrigation; and (5) field management. According to the method, water resource saving and water-salt movement rules are followed, a drip irrigation mode is adopted, a low-salt environment can be created in an area nearby a drip irrigation belt, namely a sowing area, the influence of salt stress on seed germination is relieved, the seed germination rate and the seedling survival rate are increased, and successful planting of seedlings is achieved.

High-cohesiveness anti-aging tile adhesive and preparation method thereof

The invention belongs to the technical field of building materials, and discloses a high-cohesiveness anti-aging tile adhesive and a preparation method thereof. The high-cohesiveness anti-aging tile adhesive is prepared from the following components in parts by weight: 80 to 120 parts of Portland cement, 80 to 120 parts of quartz sand, 20 to 40 parts of diatomite, 10 to 20 parts of redispersible latex powder, 2 to 10 parts of organic silicon-higher fatty acid composite water repellent, 1 to 5 parts of cellulose ether and 1 to 2 parts of polycarboxylic acid water reducer. The preparation method comprises the following steps: uniformly stirring and mixing the Portland cement, the quartz sand and the diatomite, then sequentially adding the redispersible latex powder, the organic silicon-higher fatty acid composite water repellent, the cellulose ether and the polycarboxylic acid water reducer, and uniformly stirring and mixing to obtain the high-cohesiveness anti-aging ceramic tile glue dry-mixed ...

带显示图文信息图形用户界面的显示屏幕面板

挂便器（露管式）

Sesame seed cake dough production, transportation and detection device

The invention belongs to the technical field of food processing, and particularly relates to a sesame seed cake dough production, transportation and detection device which comprises an isolation hood, a conveying device is arranged at the lower end of the isolation hood, and a flour scattering machine is arranged on the isolation hood. The conveying device comprises a first conveying belt device, a second conveying belt device and side plates arranged on the two sides of the first conveying belt device and the two sides of the second conveying belt device, and the second conveying belt device is provided with a dough pressing rotating device. A first extension plate, a turnover plate and a second extension plate which are arranged in a vibrating mode are arranged between the first conveying belt device and the second conveying belt device, dough is conveyed through the first conveying belt device and the second conveying belt device, the turnover plate is used for turning over the dough ...

Walking control device for pipeline detector

The invention discloses a walking control device for a pipeline detector, and relates to the technical field of controllers, and the walking control device comprises a box body which is provided with an input end and an output end; the photoelectric converter module is arranged in the box body, an optical fiber interface of the photoelectric converter module is connected with the input end, and a first network port of the photoelectric converter module is connected with the output end; the walking motor controller is connected with a second network port of the photoelectric converter module, and the walking motor controller transmits data detected by the pipeline to the upper computer; the walking controller is simple in structure, convenient to install, capable of achieving butt joint quickly, time-saving and labor-saving, and capable of preventing the cable from twisting and protecting an internal circuit of the cable.

Garden landscape engineering greening wall

The invention relates to the technical field of engineering greening walls, in particular to a garden landscape engineering greening wall which comprises a water circulation structure and a wall maintenance structure, the water circulation structure is installed in the center of the wall maintenance structure in a limiting mode, the water circulation structure and the wall maintenance structure are mutually positioned and installed, and the wall maintenance structure can be rapidly installed. The water circulation structure comprises a water pump, a connecting and guiding branch pipe, a matching guide pipe and a spraying guide seat, the front end and the rear end of the water pump symmetrically communicate with guide-in connecting pipes, the lower ends of the guide-in connecting pipes communicate with butt joint combined pipes, the side end of the water pump communicates with the connecting and guiding branch pipe, and the connecting and guiding branch pipe communicates with the matching ...

Landscape greening stepping stone carrying device

The invention relates to the technical field of object moving devices, and discloses a landscape greening stepping stone carrying device which is used for moving stepping stones and comprises a supporting frame, a sliding rail installed on the upper portion of the supporting frame, a lifting assembly installed on the sliding rail in a sliding mode and a fixing chain used for fixedly binding the stepping stones. The device has the effects that the moved stepping stone is convenient to carry, and meanwhile, the safety of workers is guaranteed.

Method for improving low-temperature color development resistance of thermal printing medical film

The invention discloses a method for improving low-temperature color development resistance of a thermal printing medical film, which comprises the following steps of: protecting a phenolic hydroxyl group of a color developing agent D-8 by using boron trifluoride, using the obtained complex of boron trifluoride and the color developing agent D-8 as a color developing agent in a thermal coating, and coating a film base with the thermal coating to prepare the thermal printing medical film. The protection method disclosed by the invention is simple in production condition, low in cost and high in implementation feasibility; through the complexing protection effect of boron trifluoride and the color developing agent D-8, the low-temperature color development resistance of the thermal printing medical film is improved. When the thermosensitive film is thermally developed, the protective agent boron trifluoride is heated to leave and release D-8 molecules, and D-8 enters the thermosensitive dye ...

SMART GRIPPER HAVING AUTOMATIC RIDGE ALIGNMENT FUNCTION FOR FLUID TORQUE CONVERTER

A smart gripper having an automatic ridge alignment function for a fluid torque converter. The gripper comprises an upper support plate (2) provided with a gripping mechanism, an excitation mechanism, and a drive rotation mechanism thereon. The excitation mechanism comprises multiple pneumatic excitation cylinders (3) and multiple excitation heads (5). The multiple excitation heads (5) are driven to extend and retract alternately by means of alternate actions of the pneumatic excitation cylinders (3). The drive rotation mechanism comprises at least two shifting blocks and at least two guide shafts (9). Upper ends of the guide shafts (9) extend upward beyond the upper plate (2) and are provided with a shaft terminal barrier block (8). Lower ends of the guide shafts (9) have floating connections to the corresponding shifting blocks to form a spherical pair. The smart gripper having an automatic ridge alignment function for a fluid torque converter enables accurate automatic ridge alignment ...

METHOD AND APPARATUS FOR DETECTING DOUBLE-FED MEDIA AND MEDIUM PROCESSING APPARATUS

Disclosed in the present invention are a method and an apparatus for detecting double-fed media. The method for detecting double-fed media includes: during the process of feeding media, detecting whether the media reach a first position where the media are located between a first pinch mechanism (11) and a second pinch mechanism (12) of a pinch assembly (1); When the media reach the first position, controlling the first pinch mechanism (11) and the second pinch mechanism (12) to perform a relatively pinching motion along the media feeding direction, and continuously feeding the media to make it pass through a second position where a sensor (21) is arranged, the sensor (21) is used to detect whether the media are double-fed. The method can simply and conveniently detect whether the media are double-fed. A medium processing apparatus is also disclosed.

智能网关（A16/A17）

智能氛围灯

智能网关（AP72/AP73系列）

Smelting method of material for low-burr floating seal ring

The invention discloses a smelting method of a material for a low-burr floating seal ring, and belongs to the technical field of floating oil seal machining, the smelting method comprises the following steps: S1, smelting scrap steel, pig iron and auxiliary materials into molten iron; s2, dissolving the molten iron, removing slag and deoxidizing to form dissolved molten iron; s3, metal titanium is added into the dissolved clear molten iron, and the metal titanium reacts with the boride till the metal titanium is not dissolved in the dissolved clear molten iron any more; s4, adding a rare earth alloy after the S3 is completed, and reacting the rare earth alloy with the boride to generate a rare earth boride; and S5, deslagging again to obtain the material for the floating seal ring. According to the technical scheme, burrs on the surface of the floating seal ring are eliminated, tension of an oil film attached to the floating seal ring is increased, and oil seal performance is improved.

Production method of pellets with high proportion of hematite and limonite

The invention discloses a production method of pellets with high proportion of hematite and limonite, which comprises the following steps: preparing self-produced fine powder: mixing hematite and limonite and hematite fine powder according to a first predetermined mass ratio, and grinding to a first predetermined particle size requirement to obtain the self-produced fine powder; preparing mixed fine powder, namely mixing the self-produced fine powder and the directly-prepared fine powder according to a second preset mass ratio to obtain premixed fine powder, adding bentonite into the premixed fine powder to obtain the mixed fine powder, and grinding the mixed fine powder until the particle size of the mixed fine powder meets a second preset particle size requirement; preparing pellets, namely preparing green pellets from the mixed fine powder, and roasting the green pellets at high temperature to obtain the pellets; according to the production method of the pellets with the high proportion ...

Side intelligent gateway open architecture design method and system based on multi-scene application

The invention discloses a side intelligent gateway open architecture design method and system based on multi-scene application, and the method comprises the steps: carrying out the real-time collection and processing of the performance data of a key region of a power distribution network, and building a power distribution network health dynamic database; the performance change trend of the power distribution network is monitored based on the health data of the power distribution network, and equipment faults are predicted and alarmed preferentially; and after equipment fault early warning, when the power distribution network master station and the power distribution network terminal carry out two-way communication, a hybrid encryption algorithm is adopted to complete safe exchange of data. According to the method, through the established power distribution network health index database, key performance indexes are continuously detected, deep mining and feature extraction are performed on ...

Method for producing specularite pellets

The invention discloses a method for producing specularite pellets, relates to the technical field of specularite processing and production, and solves the problems of poor hydrophilicity and balling property of high-proportion specularite, and the method comprises the following steps: S1, preparation of wet-ground fine powder: mixing specularite and Australian ore powder, and carrying out wet grinding on the mixed mixture to obtain wet-ground fine powder slurry; s2, preparing self-produced fine powder: precipitating the wet-ground fine powder slurry obtained in the step S1 through a concentration tank, conveying the wet-ground fine powder slurry to a plate-and-frame for pressure filtration, and drying to obtain the self-produced fine powder; s3, preparing mixed fine powder: mixing the directly prepared magnetic fine powder into the self-produced fine powder obtained in the S2, and performing high-pressure roller milling on the mixed fine powder; and S4, carrying out green pellet preparation ...

4PUS-3UPS redundant drive parallel robot

The invention discloses a 4PUS-3UPS redundant drive parallel robot, and belongs to the technical field of precision machining. On the premise that the parallel robot has the advantages of being high in rigidity, large in bearing capacity, low in inertia and free of accumulated errors, the problems of poor tilting capacity of the movable platform and movement singularity in a working space are solved. The fixed frame and the movable platform are connected through the four PUS branch chains and the three UPS branch chains. Redundant drive of the six-degree-of-freedom parallel mechanism is achieved through the four PUS branch chains and the three UPS branch chains which are provided with the independent linear modules, the PUS branch chains and the UPS branch chains are driven at the same time, the movable platform can tilt by a large angle, and the singular shape and position in the movement process are overcome. According to the UPS branch chain, inverse kinematics can be easily solved, ...

Method for correcting real-time state of simulated space environment

The invention relates to a method for correcting a simulated space environment, in particular to a method for correcting a real-time state of the simulated space environment. The method comprises the following steps: arranging node satellites in simulated space, mutually connecting data of the node satellites, mutually monitoring the connected satellites, controlling a background to analyze the transmitted data, deducing a motion track of an aircraft with changed data, and correcting and estimating the aircraft with changed state. According to the invention, the data of the aircraft moving in the simulated space is obtained through the arranged node satellites, the regression trajectory of the aircraft with the trajectory change is formulated, and after the regression is completed, the regression data is recorded, so that the control background learns the regression data, and when the satellites fly in the space, the flight speed of the satellites is improved. Avoidance of the aerolite ...

Control method for automatically adjusting steam quantity on iron and iron

The invention discloses a control method for automatically adjusting the steam quantity on an iron and the iron.The method comprises the steps that the first steam quantity and the second steam quantity are set, if the first steam quantity is larger than the second steam quantity, the heating time is counted when the steam function is closed, and when the time reaches a certain value, the heating time is counted; the user can start the steam control logic of the steam switch again to execute from the first steam quantity again, and other situations are executed according to the second steam quantity. According to the control method, whether the iron has enough stored heat or not when the steam function is started is fully considered, and therefore the balance between water dripping and ironing efficiency is achieved.

Dynamic goods sorting method, device and system based on target tracking

The invention discloses a dynamic goods sorting method, device and system based on target tracking, and the method comprises the steps: S101, capturing the image frame data of a camera, and adjusting the size input; s102, calling a YOLOV5 model to identify goods, and marking an initial position of a target; s103, carrying out Kalman filtering calculation, and predicting the (K + 1) th state position of the target according to the Kth position of the target; s104, according to the predicted (K + 1)-th state position, coordinate conversion from an image to reality is carried out, and the mechanical arm is moved to the predicted position; and S105, the mechanical arm starts the electronic air pump to suck the goods, returns to the fixed position to release the goods and returns to the initial position. According to the invention, the problems of goods omission during assembly line sorting, such as goods shielding by a mechanical arm, goods stacking and the like, are solved, and the goods sorting ...

Repair method of conductor shielding layer

The invention relates to the technical field of conductor shielding layer repair, and discloses a conductor shielding layer repair method which comprises the following steps: stripping two ends of a position to be repaired to expose conductor shielding layers at two ends of the position to be repaired; grinding and polishing the end part, close to the to-be-repaired position, of the conductor shielding layer; covering the to-be-repaired position with a semi-conductive cylinder, wherein the two ends of the semi-conductive cylinder are connected with the conductor shielding layers at the two ends respectively; pressurizing and heating the semi-conductive cylinder; and carrying out grinding and polishing treatment on the semi-conductive cylinder after pressurization and heating treatment. The beneficial effects are that the two ends of the to-be-repaired position are stripped, so that the fusion combination degree between the semi-conductive cylinder and the conductor shielding layer can be ...

SATA DATA LINE AND CHASSIS

A SATA data line and a chassis. The SATA data line (100) comprises a SATA cable (110), a first end portion of the SATA cable comprising a plug (111) with a protruding portion (112) and a second end portion of the SATA cable comprising a SATA interface; and a PCB (120), the protruding portion being welded on the PCB. The chassis (200) comprises a SATA data line (210) and a device (220) having a SATA interface, the SATA data line being connected to the device through the SATA interface. The SATA data line and the chassis can improve the connection reliability of the SATA cable and the PCB.

Multifunctional tea table

... 本实用新型涉及一种多功能茶几，包括茶几本体，茶几本体内设有坚果剥壳装置；坚果剥壳装置包括进料口、压辊、风机、振动筛、驱动机构、传送带以及出料口；进料口设置在茶几面上；压辊、风机、振动筛、驱动机构、传送带均设置在茶几身内部；压辊设置在进料口的正下方；振动筛设置在压辊的下方；风机的出风口朝向振动筛；传送带设置在振动筛的下方；压辊的一端、传送带的一端以及驱动机构的输出轴上均设有带轮，压辊和传送带上的带轮分别通过皮带与驱动机构输出轴上的带轮相连接。本实用新型结合了茶几和坚果剥壳装置，解决了亲友聚会聊天时徒手剥坚果的难题，而且不需要添置另外的设备，不占据室内的使用空间，为人们提供了更好的休闲聚会环境。 ...

Method and system for detecting safety factors of temporary power hoisting work site

The invention discloses a temporary electric hoisting work site safety factor detection method and system, and the method comprises the steps: carrying out the cleaning and duplicate removal of a noise image obtained through the keyword crawling of a crane arm through employing an image coding, image structure similarity and histogram comparison method, and combining a data set of safety helmet wearing of a construction worker with an image shot at a construction site, and jointly constructing a data set of common targets in temporary power hoisting operation. According to the motion characteristics of a to-be-detected target, the to-be-detected target is divided into a dynamic target and a static target, the dynamic target is detected in real time by adopting a leading-edge YOLOX-S detector, and the static target is subjected to feature matching tracking by adopting a KCF algorithm, so that the purpose of detection is achieved. According to the method, the detection problem of coexistence ...

Magnet coil framework for supporting closed-loop connection of stacked superconducting coils and use method of magnet coil framework

The invention provides a magnet coil framework for supporting closed-loop connection of stacked superconducting coils and a using method of the magnet coil framework, and relates to the field of superconducting magnet coils. The magnet coil framework comprises an upper cover plate, a lower cover plate, a coil framework and cylinders, the cylinders are distributed on the lower cover plate, the coil framework is connected between the upper cover plate and the lower cover plate, and a connector of the coil framework is connected to the cylinders; end leading-out wires of the coil framework are connected to form a connector to form a closed coil, the connector of the closed coil is wound on the cylinder, and when the end leading-out wires of the coil framework longitudinally change positions, the cylinder provides spiral steering support for the end leading-out wires of the coil framework, and the positions of the end leading-out wires of the coil framework are changed. The cylinders provide ...

Excitation signal processing circuit

The invention relates to the technical field of circuit design, in particular to an excitation signal processing circuit. A parallel excitation reference unit is additionally arranged at the rear end of a capacitive sensor, an excitation signal of the reference unit is the same as an excitation signal of the capacitive sensor, excitation processing methods at the rear end are different, one path converts the excitation signal into positive current to be output, and the other path converts the excitation signal into negative current to be output. The working modes are adjusted through the adjusting unit, parasitic parameters such as capacitive reactance in the cable transmission process are eliminated in the first working mode, and dual-channel redundancy output is achieved in the second working mode, so that dual-redundancy feedback output can be conducted on direct current measurement of the capacitive sensor, and consistency and stability of signal transmission are guaranteed.

Roadway roof separation layer detection device and method based on ultrasonic positioning

The invention provides a roadway roof separation layer detection device and method based on ultrasonic positioning. The device comprises a remote control trolley, a lifting mechanism, a detection platform and an array type transducer. According to the method, the array type transducers emit ultrasonic waves to detect the separation layer, during detection, one row of transducers of the array type transducers excite signals, the other rows of transducers receive the signals, then the other rows of transducers excite the signals in sequence, and finally, an instant image in the top plate is generated through imaging software. No negative influence is caused on the top plate, and the device is suitable for top plates of any shapes. The detection platform is arranged on the automatic remote control trolley through the lifting mechanism, so that personnel do not need to participate in detection on site, and casualties caused by possible accidents are avoided; the scheme is suitable for different ...

PRIMER COMPOSITION FOR USE IN AMPLIFYING CDR3 CODING SEQUENCE AND USE OF THE PRIMER COMPOSITION

Provided in the present invention are a primer composition for use in amplifying CDR3 coding sequence and a use of the primer composition. The primer composition comprises: a first primer set and a second primer set. The first primer set consists of at least one type of V-region primer; each type of the at least one type of V-region primer contains a sequence complementary to at least one V-gene fragment. The second primer set consists of at least one type of J-region primer; each type of the at least one type of J-region primer contains a sequence complementary to at least one J-gene fragment. The source of the CDR3 coding sequence is selected from at least one among immunoglobulin heavy chain, immunoglobulin light chain, T cell receptor α chain, and T cell receptor β chain.

Close closed circulation water cooling system for ice -melt and SVC device

... 本实用新型公开了一种应用于融冰兼SVC装置的密闭式循环水冷却系统，包括主循环回路,所述主循环回路包括主循环泵、电动三通阀、排气阀、空气冷却器、主过滤器、融冰兼SVC装置及脱气罐；所述主循环泵出口、电动三通阀、排气阀、空气冷却器、主过滤器、融冰兼SVC装置、脱气罐及主循环泵进口通过管道依次串联形成主循环回路；所述电动三通阀的进口端和出口端上设置有与电动三通阀并联的三通阀旁路，所述电动三通阀的第三端与主过滤器进口连接，所述主过滤器出口设置有差压表。本实用新型采用的结构，可根据系统温度变化控制进空气冷却器流量，并可根据温度变化控制空气冷却器的投入比例，实现节能高效的散热效果，保障装置安全正常运行。 ...

Method for applying on-line ore grinding of iron ore powder to pellet production

The invention discloses a method for applying on-line ore grinding of iron ore powder to pellet production, which comprises the following steps: (1) preparing ore pulp: mixing the iron ore powder and coarse and fine powder according to a first preset mass ratio, and sequentially carrying out ball milling and tower milling to obtain the ore pulp meeting a first preset particle size requirement; (2) preparing self-produced fine powder: precipitating the ore pulp to reach a first preset concentration, pumping the ore pulp to a plate-and-frame filter press for drying and dewatering, and then sending the ore pulp to a drying machine for further drying to obtain the self-produced fine powder; (3) preparing mixed fine powder: adding bentonite into the self-produced fine powder to obtain the mixed fine powder, and performing high-pressure roller milling on the mixed fine powder through a high-pressure roller mill until the particle size of the mixed fine powder reaches a second preset particle ...

Accurate drill bit cleaning brush

... 本实用新型提供了一种精密钻头清洗刷，包括用于与电钻连接的钻杆，钻杆的头部设置呈喇叭口状的基座，基座的口部周向设置由软金属丝制成的刷毛。本清洗刷头部采用软金属丝，且设有金属杆可安装在电钻上，能更好的契合钻头，清洁过程中远高于人力摩擦速度，达到更好的清洁效果。 ...

Transformer substation valve room hangs rail and patrols and examines robot

... 本实用新型变电站阀厅挂轨巡检机器人，包括机身，所述机身的顶部设有行走轮以及电机，所述机身的底部设有球机，所述球机上设有高清摄像头和红外热像仪，所述机身上设有温湿度传感器和气体传感器，所述机身内设有控制模块以及与控制模块连接的无线数传模块。本实用新型能够实时监测阀门内设备的节点温度、表计读数、阀厅温湿度等相关参数及特征，完成阀厅内日常巡检工作，及时发现设备运行隐患，确保阀厅的稳定安全可靠运行，对减轻运行人员的劳动强度、改善劳动环境以及降低变电设备的运行维护成本都起到了积极的作用，本实用新型可自由灵活地在阀厅内移动并实时巡检，监测范围可覆盖整个阀厅内的设备，克服了检测盲点和测量数据有限的缺点。 ...

Band type roasting production method for limonite pellets

The invention discloses a limonite pellet belt type roasting production method. The method comprises the following steps that (1) limonite is matched with specularite or magnetite for ore grinding, and first self-produced ore powder is obtained after filter pressing; (2) fully and uniformly mixing the first self-produced mineral powder with magnetite to obtain second self-produced mineral powder; (3) sufficiently and uniformly mixing the second self-produced mineral powder with slaked lime to obtain third self-produced mineral powder; (4) sufficiently and uniformly mixing the third self-produced mineral powder with magnesium oxide powder to obtain fourth self-produced mineral powder; (5) adding the coking environment fly ash into the fourth self-produced mineral powder, and fully and uniformly mixing to obtain first mixed fine powder; (6) adding bentonite into the first mixed fine powder, and fully and uniformly mixing to obtain second mixed fine powder; (7) conveying the second mixed fine ...

Cobalt metal catalyst and preparation method and application thereof

The invention provides a cobalt metal catalyst and a preparation method and application thereof.The preparation method comprises the steps that a cobalt-based metal organic framework serves as a precursor and is matched with alkali metal and/or alkaline earth metal salt to serve as a pore forming agent for pyrolysis, and in the high-temperature pyrolysis process, the alkali metal and/or alkaline earth metal salt are/is heated to be decomposed into alkaline earth metal oxide, carbon dioxide and other gases; amorphous carbon obtained by high-temperature pyrolysis of the metal organic framework is converted into porous carbon, so that the specific surface area of the catalyst is increased; meanwhile, the catalyst is subjected to alkali modification, and the concentration of active oxygen such as hydroxyl on the surface of the catalyst is increased, so that the catalytic activity is remarkably improved.

Multi -functional moisturizing device

... 本实用新型多功能补水装置，包括进水箱、储水箱、主过滤器和三通阀，所述进水箱的出水口与储水箱的进水口之间设有进水通道，所述储水箱的出水口与储水箱的进水口之间设有循环供水通道，所述主过滤器和三通阀设于循环供水通道上，三通阀的第一出水口与循环水冷却系统相连通，循环供水通道上位于储水箱的出水口与主过滤器之间依次设有第三阀门、循环泵和第四阀门。本实用新型将进水箱内水经进水通道补充到储水箱中，保证储水箱内水量充足，然后将储水箱内的水抽至循环供水通道，水在循环供水通道内流动时，经过主过滤器被净化为纯净水，之后通过三通阀进入循环水冷却系统，自动完成补水工作，三通阀可精确控制补水量，多余的水重新回到储水箱。 ...

Special tool for dredging bottom water pipe of magnetic separator

The utility model discloses a special tool for dredging a bottom water pipe of a magnetic separator, which comprises a drill handle, a mounting assembly, a steel wire rope and a tool bit which are sequentially connected, the mounting assembly comprises a mounting cylinder, a spring, a connecting shaft and a bolt, the top of the mounting cylinder is a closed end, the bottom of the mounting cylinder is an open end, and the top of the mounting cylinder is connected with the drill handle; the spring is located in a center hole of the mounting cylinder, the bottom of the connecting shaft is connected with the steel wire rope, the top of the connecting shaft is inserted into the center hole of the mounting cylinder and makes contact with the spring, the tail end of the rod portion of the bolt penetrates through the cylinder wall of one side of the mounting cylinder and the connecting shaft in sequence and then is in threaded connection with the cylinder wall of the other side of the mounting ...

Plateau mountainous area micro-terrain identification method based on surface flowing water physical simulation

The invention discloses a plateau mountain area icing-prone microtopography identification method based on surface flowing water physical simulation. The method comprises the steps that a plateau mountain area digital elevation model (DEM) and a related information set are collected; the method comprises the following steps of: partitioning a region required to be identified, and extracting and forming a plateau mountain ridge and valley topographic feature information set; extracting and forming a plateau mountain area bealock microtopography feature information set; extracting and forming a topographic feature information set of the windward slope and the leeward slope of the plateau mountain area; extracting and forming a topographic feature information set of a plateau mountain area water vapor upstream region, a ridge water vapor region, a valley water vapor region and a bealock water vapor region; extracting a typical scene of a region needing to be classified, verifying the classification ...

METHOD AND DEVICE FOR DETECTING MICRODELETION IN CHROMOSOME STS AREA

A method and a device for detecting microdeletion in a chromosome sequence tagged site (STS) area. The method comprises: selecting an STS area on chromosome, and designing according to a DNA sequence in the STS area to obtain a corresponding capture probe; hybridizing the capture probe and a multi-sample DNA hybrid library, so as to capture the DNA sequence in the STS area in the multi-sample; sequencing the captured DNA sequence in the STS area in the multi-sample of the corresponding capture probe, and obtaining sequencing data; analyzing the sequencing data through a mathematical statistics method, and obtaining a result regarding microdeletion in the chromosome STS area of each sample according to the analysis conclusion.

Crop straw curing tower

The crop straw curing tower is characterized in that a fermentation cavity for fermenting and curing straws is formed in a tower body, a top cover is mounted at the top of the tower body, an end socket with a discharge port is arranged at the bottom of the tower body, and a feeding port and a decomposition agent adding port are formed in the top cover; a stirrer is arranged on the tower body and comprises a motor mounted on the top cover and a stirring shaft arranged in a fermentation cavity of the tower body, the stirring shaft is connected with the motor, a driving lever is arranged on the stirring shaft, the driving lever comprises two structural forms, namely a linear structure and a T-shaped structure, and the driving levers of the two structural forms are alternately arranged along the length of the stirring shaft; the deflector rods of any structure are spirally distributed on the stirring shaft; a temperature control pipeline and a humidifying pipeline are also arranged at the upper ...

Component for fixing automatic monitoring prism

The invention provides a component for fixing an automatic monitoring prism, and relates to the technical field of prism installation, the component comprises a Z-shaped clamping plate, a bottom plate, an L-shaped clamping plate and an L-shaped prism, the L-shaped prism is arranged above one side of the Z-shaped clamping plate, the bottom plate is arranged below the other side of the Z-shaped clamping plate, the bottom of the bottom plate is provided with a bearing tube, and the bearing tube is connected with the Z-shaped clamping plate. A threaded steel rod is rotationally arranged on the inner side of the bearing pipe, and a screw head is arranged on one side of the threaded steel rod. A nut sleeve is arranged at the bottom of the L-shaped clamping plate, the threaded steel rod is in threaded fit with the nut sleeve, and the Z-shaped clamping plate is used for being clamped on one side of a rail. The L-shaped prism is installed on the Z-shaped clamping plate, the Z-shaped clamping plate ...

Glass piece strorage device

... 本实用新型提出了种玻璃片存放装置，包括底座、底部固定件、固定卡槽；所述底座为中空长方体框架结构，于底座两相对侧分别设第侧板及第二侧板，第侧板与第二侧板底部均设下滑槽，第侧板、第二侧板顶部两端均设有上滑槽；固定卡槽包括槽杆以及设于槽杆上的限位锯齿，固定卡槽至少为两根，分别设置在底座顶部的左右侧，且两端分别与对应的上滑槽连接；所述底部固定件设于底座底部，且两端分别与对应的下滑槽连接。本实用新型的有益效果：通过将玻璃片设于相邻两条槽杆上的限位锯齿之间,将每两片玻璃片隔离开，使之不易粘连，更好存取，不会变形、破碎，且固定卡槽与底部固定件均可以上下左右调整高度、宽度，方便存放不同规格的玻璃片。 ...

System and method for controlling yaw error of wind generating set under extreme wind power condition

The invention belongs to the technical field of wind generating set shutdown, and relates to a control system and method for yaw errors of a wind generating set under the extreme wind power condition, and the control method comprises the following steps: 1, calculating a current average yaw error; judging whether the current average yaw error exceeds a yaw error threshold value or not, and if yes, entering the second step; 2, calculating a current average pitch angle; judging whether the current average pitch angle exceeds a pitch angle threshold value or not, and if yes, entering the third step; 3, reducing a yaw error threshold value; fourthly, the rotating speed of the impeller is gradually decreased; 5, calculating the current average impeller rotating speed in real time in the impeller rotating speed decreasing process; and judging whether the current average impeller rotating speed exceeds a shutdown rotating speed limit value or not, if so, entering a unit normal shutdown mode, and ...

UNMANNED AERIAL VEHICLE-BASED OUTDOOR ANTENNA FOUR-DIMENSIONAL PATTERN MEASUREMENT METHOD AND APPARATUS

The present invention relates to the technical field of antennas and provides an unmanned aerial vehicle-based outdoor antenna four-dimensional pattern measurement method and apparatus. The measurement apparatus comprises a measurement path planning unit, an unmanned aerial vehicle platform unit, a radiation signal collection unit, a data instruction processing unit, and a ground data processing unit. The measurement path planning unit, the radiation signal collection unit, and the data instruction processing unit are suspended from the unmanned aerial vehicle platform unit by means of a nacelle. The present invention can be used for outdoor antenna pattern measurement.

WITHDRAWING-TYPE OCT SYSTEM

Disclosed is a withdrawing-type OCT (optical coherence tomography) system, comprising an OCT probe, an optical fibre (1), a withdrawing driving device (3), a withdrawing device supporting arm, and a handheld endoscope (2). The withdrawing driving device (3) comprises a withdrawing driving body and a withdrawing driving housing, with the withdrawing driving body being installed in the withdrawing driving housing. The withdrawing driving device (3) is used for driving the OCT probe to move. The withdrawing device supporting arm is used for fixing the withdrawing driving device (3). The handheld endoscope is internally provided with a working channel, and the OCT probe passes through the working channel. By arranging the withdrawing driving device (3) to drive the OCT probe to move in the axial direction, a medical worker can control the amount of movement of the OCT probe more accurately, and by arranging the supporting arm (4), the burden on the arm of the medical worker can be reduced, ...

Clamping structure

... 本实用新型公开了一种卡接结构，一种卡接结构，所述卡接结构包括卡套，插入所述卡套的卡芯；所述卡芯设有顶盖和能够收缩的卡接部；所述卡套的侧壁开设有与所述卡接部对应的豁口，所述卡套的外壁设置卡接凸台；所述卡接部由所述豁口自内向外伸出所述卡套的侧壁，并与所述卡接凸台配合形成卡紧待卡接的零件的卡接位；所述卡接部能够在外力下缩入所述卡套内，以解除对所述零件的卡接；所述卡套的内壁设有限位凸台，所述顶盖的盖沿能够卡于所述限位凸台的一侧、所述卡接部能够卡于所述限位凸台的另一侧；所述顶盖的盖沿与所述限位凸台间预压缩有弹性件。通过该卡接结构能够避免卡接结构丢失。 ...

Novel glue gun

The invention provides a novel glue spraying gun. The novel glue spraying gun comprises a gun body and a glue spraying assembly installed at the muzzle end of the gun body. The gun body comprises a main body shell, an inner cylinder and a handle; the inner cylinder is arranged in the through hole of the main body shell; a bump is arranged below the inner wall of the inner cylinder; a spring is fixedly connected above the outer wall of the inner cylinder, and the other end of the spring is fixedly connected with a switch button; the switch button is arranged outside the main body shell, and one end of the handle is arranged outside the main body shell; an elastic sheet is arranged at the other end; the glue spraying assembly comprises an injector and a clamping strip, glue liquid is stored in the injector, the injector is detachably installed at the muzzle end, the clamping strip is installed in the inner barrel, a push rod of the installed injector is adjacent to the clamping strip, and ...

Thin-wall hollow plate ceramic membrane system for rapidly purifying combined overflow and membrane cleaning method

The invention discloses a thin-wall hollow flat plate ceramic membrane system for rapidly purifying combined overflow and a membrane cleaning method. The thin-wall hollow flat plate ceramic membrane system comprises impurity interception equipment, a dosing system consisting of a dosing tank and a dosing pump, a rapid coagulating basin, a ceramic membrane filtering system and a lifting system. The ceramic membrane filtering system comprises a flat plate ceramic membrane, a peristaltic pump, a backwashing tank, a mud scraping plate and a driving motor, the flat plate ceramic membrane is connected with the peristaltic pump through a pipeline, and the driving motor is connected with the mud scraping plate through a transmission shaft and a transmission chain. The peristaltic pump, the backwashing tank and the mud scraper can realize backwashing of filtrate and mechanical cleaning of the scraper, so that pollution in the ceramic membrane can be cleaned through the filtrate in backwashing liquid ...

Seeding is spread and is taken all -in -one

... 种播种铺带体机，地轮和地轮滚筒之间设置有微喷带铺设装置，微喷带铺设装置包括微喷带安装架和双圆盘开沟器，微喷带安装架与机体固定连接，双圆盘开沟器位于微喷带安装架正下方，双圆盘开沟器的后方有竖直设置的导向槽，导向槽沿左右方向的宽度大于等于微喷带的宽度，导向槽后方有双圆盘压带器，双圆盘压带器与双圆盘开沟器结构相同且双圆盘开沟器和双圆盘压带器在导向槽的前方和后方对称设置。在播种的同时完成铺放微喷带的工作，大大减少了劳动力，降低了劳动强度，减少了由于工序繁琐而耗费的工时，提高了工作效率，同时为粮食增产增收、生态环境的平衡、资源的合理使用奠定了基础，为生产中实现机械化、自动化提供了新型机具。 ...

Converter harmonic suppression method and device and electronic equipment

The invention discloses a converter harmonic suppression method and device and electronic equipment. The method comprises the following steps: acquiring current given values of a d axis and a q axis of a rotor of a converter; collecting current feedback values of a d axis and a q axis of a rotor of the converter; acquiring a current difference value according to the current given value and the current feedback value; and respectively inputting the current difference values into a harmonic suppression controller, and carrying out harmonic elimination on the current difference values by the harmonic suppression controller so as to output voltage given values of the d axis and the q axis of the rotor. Therefore, harmonic elimination can be carried out on the current difference value through the harmonic controller, the adaptability and the stability of a converter power grid are improved, and suppression of different harmonic components can be realized by changing the frequency value of the ...

Long-distance pipe jacking anti-drag slurry as well as preparation method and application thereof

The invention relates to the technical field of building materials, in particular to long-distance pipe-jacking anti-drag slurry and a preparation method and application thereof.The anti-drag slurry is prepared from, by weight, 4%-8% of bentonite, 0.1%-0.5% of stabilizer, 0.05%-0.3% of sodium polyacrylate and the balance water. According to the anti-drag slurry disclosed by the invention, the bentonite, the stabilizer, the sodium polyacrylate and the water are reasonably prepared, so that the obtained anti-drag slurry has high viscosity and also has good fluidity and dispersity, the water loss is relatively small, and the comprehensive performance is excellent.

METHOD AND DEVICE FOR PROVIDING INFORMATION BASED ON TICKET SEARCH

A method and device for providing information based on ticket search. The method: acquired on the basis of a travel destination are first information and ticket information related to the travel destination within a search time period, information having value as reference is provided to a user by means of multidimensional data information, and the user is able to make a basic decision with respect to travel time via the first information and ticket information provided by the method. In short, the method, by acquiring multidimensional compound information such as the first information and the ticket information, helps the user to decide a travel time from different perspectives, optimizes user experience in finding information, and reduces the number of interactions between a service end and a client end and the number of queries going through the service end, thus reducing stress for a server. At the same time, this makes it more convenient, simple, and fast when the user is choosing ...

Silicon steel sheet magnetostriction two-dimensional measurement system and method

The invention relates to a silicon steel sheet magnetostriction two-dimensional measurement system and method, and belongs to the technical field of electromagnetic measurement of power transformer materials. According to the technical scheme, under different working conditions, a reflector (8) is pasted on a silicon steel sheet, laser measurement is conducted in the rolling direction and the direction perpendicular to the rolling direction, and the magnetostriction amount of the silicon steel sheet in the rolling direction can be analyzed through a magnetostriction measuring instrument; in the vertical rolling direction, collected data is subjected to displacement variation analysis through a laser vibration meter, and variation in one period and data in the rolling direction are compared, analyzed and sorted, so that variation data of the magnetostriction amount of the silicon steel sheet in two directions are obtained. According to the invention, one-dimensional measurement of magnetostriction ...

Method and device for judging grounding point of secondary circuit

The invention discloses a method for judging a grounding point of a secondary circuit. The method comprises the following steps: acquiring a first current signal; a voltage signal is additionally transmitted between the secondary circuit and the ground wire; and judging whether grounding points exist or not and the number of the grounding points according to the numerical range of the second current signal. Through a testing means, whether grounding points exist or not can be quickly searched and the number of the grounding points can be judged only by additionally sending a voltage signal, manual searching work is reduced, meanwhile, frequency tests of different power frequency multiples can be passed through the setting of frequency gears, the frequency spectrum characteristics of a line are analyzed, and misjudgment caused by resonance is also prevented.

Method and device for monitoring oscillation state of current collection line of wind power plant

The invention provides a wind power plant current collection line oscillation state monitoring method and device, electronic equipment and a storage medium, and relates to the technical field of wind power plant monitoring, and the method comprises the steps: obtaining the active power and reactive power of a wind power plant current collection line in a current time period, and the current time period comprises a plurality of first collection timestamps; based on the active power, the reactive power and the first acquisition timestamp, determining a first power track of the wind power plant current collection line in the monitoring coordinate system; and based on the first power track and a second power track of the wind power plant current collection line in the monitoring coordinate system in the previous time period, determining whether the wind power plant current collection line oscillates or not and judging oscillation characteristics. By setting the monitoring coordinate system ...

Automobile overhead display screen mechanism device

The invention relates to an automobile overhead display screen mechanism device which comprises two half side mechanism devices which are symmetrically arranged, and each half side mechanism device comprises a screen fixing frame which is fixedly connected to the rear portion of a display screen along the side edge of the display screen; the sliding mechanism is hinged to one end of the screen fixing frame and can slide along the first overhead guide rail; the fixing block is fixed on the first overhead guide rail and is hinged to the middle part of the screen fixing frame through a connecting rod; the sliding mechanism slides from the position away from the fixing block to the position close to the fixing block along the first overhead guide rail, and the device gradually changes from the closed state to the open state. According to the automobile overhead display screen mechanism device, only the sliding mechanism is adopted to control the opening or closing state, a control system is ...

Speed measurement fusion method and device for improving speed measurement availability

The invention provides a speed measurement fusion method and device for improving speed measurement availability. The method comprises the following steps: judging whether a broken line fault of a speed sensor and/or a double-speed sensor idle slip fault can be recovered or not; if any fault is not recoverable, determining a speed measurement invalid state, and sending a takeover prompt to a driver; detecting zero speed after receiving driver take-over confirmation and stably stopping the train; and a train zero speed confirmation prompt is sent to train control on-board equipment, and speed measurement is recovered after confirmation of the driver is received. According to the mode, aiming at the conditions of speed sensor disconnection and double-speed sensor idle sliding faults, speed measurement is not directly determined to be invalid, whether the faults can be recovered or not is judged, the speed sensor disconnection and invalid speed measurement which meet the conditions can be ...

A automatic water supply device for valve room water cooling system

... 本实用新型用于阀厅水冷系统的自动补水装置，包括储水箱、净水器、第一水管、第二水管和第三水管，所述第一水管的一端与净水器的进水口相连通，所述第二水管的一端与净水器的出水口相连通、另一端与储水箱的进水口相连通，所述第三水管的一端与储水箱的出水口相连通，第一水管上安装有第一电磁阀，第二水管上安装有第二电磁阀，第三水管上安装有第三电磁阀，所述储水箱内设有第一液位传感器。本实用新型通过第一液位传感器和第二电磁阀，使储水箱的水位始终保持在合适的范围，而且经过净水器的净化后，水体达到阀厅水冷系统要求的水质量，最后通过第三电磁阀，随时将净化后的水补充到阀厅水冷系统，实现自动向阀厅水冷系统补充用水的功能。 ...

Method and system for controlling wind generating set under extreme wind power condition

The invention discloses a method and a system for controlling a wind generating set under an extreme wind power condition. The method comprises the following steps of: comparing a generator rotating speed deviation with a generator rotating speed difference judgment value; if the generator rotating speed deviation is smaller than the generator rotating speed difference judgment value, the generator rotating speed difference judgment value is assigned to the generator rotating speed difference intermediate value; determining a generator rotating speed change judgment value by judging the generator rotating speed difference intermediate value; a fan operation strategy is adjusted by comparing a rotating speed cabin vibration acceleration actual value with a rotating speed cabin vibration acceleration threshold value, the opportunity of changing an operation instruction is judged while a power reduction operation instruction is sent out, and the relation between a pitch angle and a generator ...

Waterproof, antibacterial and mildew-proof ceramic tile joint mixture and preparation method thereof

The invention belongs to the technical field of building materials, and discloses a waterproof, antibacterial and mildew-proof ceramic tile joint mixture and a preparation method thereof. The preparation method comprises the following steps: reacting hydrogen-containing silicone oil with a vinyl silane coupling agent to obtain a polysiloxane solution grafted with the silane coupling agent; then adding a hydrophobic silica sol solution, uniformly stirring and mixing, and performing vacuum drying to obtain an organic silicon powder water repellent; and uniformly mixing the obtained organic silicon powder water repellent with white cement, hydroxyethyl cellulose, an inorganic antibacterial mildew inhibitor, a penetrating agent, a pigment and bonding resin through a colloid mill to obtain the waterproof antibacterial mildew-proof ceramic tile joint mixture. The special organic silicon powder water repellent is adopted in the tile joint mixture, so that the bonding strength, the waterproof performance ...

Business processing method and device and computer equipment

The invention relates to a business method and device and computer equipment, and relates to the technical field of artificial intelligence. The business processing method comprises the following steps: acquiring biological information of a target user, and inputting electroencephalogram characteristic information determined based on a target electroencephalogram signal in the biological information into a first emotion recognition model to obtain a first probability of each preset emotion category; physiological feature information determined based on body temperature information and heart rate information in the biological information is input into a second emotion recognition model to obtain a second probability of each preset emotion category, and then a target probability of each preset emotion category is determined according to the first probability and the second probability; the target emotion category of the target user can be accurately identified, and finally business processing ...

Ice -melt switch mount

... 本实用新型融冰刀闸固定架，包括刀闸支架、支撑板、支撑梁以及成型于地面的灌注桩，所述支撑梁水平架设在灌注桩的顶面，所述灌注桩的顶面相应支撑梁的位置处植有连接筋，所述连接筋的上端与支撑梁固接，所述支撑板固定在支撑梁的顶面，所述刀闸支架固定在支撑板的顶面。本实用新型以成型于地面的灌注桩作为支撑基础，十分牢固，可有效避免使用过程中因外力而产生倾斜或倒塌，而且通过支撑梁，可以一次性安装多个刀闸支架，不用一一挖基坑进行安装，大大简化了施工工艺，节省了施工时间，更节省了工程投资。 ...

Millimeter wave/terahertz frequency band TRL calibration clamp with direct current bias interface

The invention discloses a millimeter wave/terahertz frequency band TRL calibration clamp with a direct current bias interface, which comprises a direct current bias interface and a direct current bias interface, the direct-through standard component, the reflection standard component and the delay standard component are based on the TRL calibration principle, and the direct-current bias input low-pass filter, the standard waveguide-to-microstrip conversion circuit and the microstrip line calibration component are arranged in all the standard components. Based on the TRL calibration principle, the direct current bias circuit and the calibration clamp are combined, the direct current bias circuit is suitable for S parameter testing of a device needing direct current bias in the millimeter wave/terahertz frequency band, and the accuracy is high.

Software control system design method and device, terminal and storage medium

The invention relates to the technical field of computers, in particular to a software control system design method and device, a terminal and a storage medium. The software control system design method comprises the following steps: determining a target control algorithm corresponding to target power electronic equipment; adjusting the initial control software process according to a target control algorithm to obtain a target control software process; and modifying the initial software control system according to the target control software flow to obtain a target software control system. The design time of the software control system can be shortened, and the design efficiency is improved.

Rigid waterproof sleeve leakage plugging device and construction method

The invention discloses a rigid waterproof sleeve leakage plugging device which comprises a wall and second lead screws, the second lead screws are annularly arrayed on the wall and slidably connected with the wall, a mounting hole is formed in the wall, a pipeline is slidably connected into the mounting hole, a sealing component is mounted on the wall, and the sealing component is connected with the wall. The sealing component comprises a water stop rubber ring, a water stop pressing plate, a waterproof sleeve, gaskets and a nut, the water stop rubber ring is connected to the pipeline in a sleeving mode, the water stop pressing plate is slidably connected to the second lead screw, the gaskets are slidably connected to the second lead screw, the nut is in threaded connection to the second lead screw, and the waterproof sleeve is connected to the waterproof sleeve. According to the sealing device, the sealing rubber ring is tightly pressed between the pipeline and the waterproof sleeve mainly ...

Wind power cluster aggregation equivalence method based on frequency and wind speed

The invention discloses a wind power cluster aggregation equivalence method based on frequency and wind speed. The method comprises the following steps: acquiring frequency modulation information and wind speed of each frequency modulation unit in a wind power system in real time; performing clustering classification on the frequency modulation units based on the collected frequency differences of the frequency modulation units, and determining a classification result; clustering and grouping the frequency modulation units based on the classification result and the real-time detection wind speed of each type of frequency modulation units, and determining a grouping result and a control strategy of each group; and performing power equivalence based on the control strategy corresponding to each group, determining the actual output rate of each frequency modulation unit, and further aggregating the actual output rate of the whole wind power system so as to establish a simulation analysis model ...

Transformer substation inspection method, device and system based on big data analysis

The invention discloses a transformer substation patrol method, device and system based on big data analysis, and the device comprises a detection main body which comprises a handle, a distance measurement module disposed at the top of the handle, and a temperature measurement module disposed at the top of the distance measurement module; and the clamping assembly comprises a supporting column arranged on one side of the temperature measuring module, a rotating piece arranged on one side of the supporting column, a fixing piece arranged on one side of the rotating piece, and a fastening piece arranged on the top of the rotating piece and in the fixing piece. Through the arrangement of the detection main body and the clamping assembly, the handheld mobile terminal and the temperature measuring device can jointly form an intelligent detector, and the user experience is improved. And the mobile terminal can be freely assembled and disassembled from the bracket main body.

Production process of green anti-radiation non-woven wallpaper

The invention discloses a production process of green anti-radiation non-woven wallpaper, the green anti-radiation non-woven wallpaper is composed of a printing layer, a fireproof layer, a base cloth layer, an isolation layer and a back surface layer, the base cloth layer is prepared by taking thermoplastic polyurethane as a raw material through a melt-blowing spinning technology, and the printing layer is composed of a non-woven fabric material and a nanofiber layer on the surface of the non-woven fabric material. According to the environment-friendly wallpaper, the water-based environment-friendly biological glue is integrally bonded to the back face of the wallpaper and is prepared from polyvinyl chloride powder and starch as main materials, pollution of the glue in decoration is reduced, and therefore the purpose of being more environment-friendly is achieved, and the non-woven fabric in the printing layer is formed by weaving transverse fibers and longitudinal fibers with the surfaces ...

Pipeline slope estimation method based on weighted Kalman filtering

The invention discloses a pipeline gradient estimation method based on weighted Kalman filtering, which comprises the following steps of: setting a robot which is tightly attached to the bottom of a pipeline to advance along the pipeline, and acquiring data of a plurality of gyroscopes in the advancing process; calculating estimated values of a system state vector and an observation vector according to the gyroscope data; calculating a covariance estimation value of the observation vector; calculating a filtering gain matrix, and calculating a system state vector after weighted Kalman filtering; and calculating the gradient according to the system state vector after weighted Kalman filtering. According to the method, the drainage pipeline robot tightly attached to the pipe bottom is attached to the position of the pipe bottom of the drainage pipeline to the maximum extent by adopting the autonomous crawling design, the system state vector error is reduced through weighted Kalman filtering ...

Double-signal intelligent organophosphorus pesticide detection method

The invention discloses a method for intelligently detecting organophosphorus pesticides through double signals. The invention provides a dual-signal intelligent organophosphorus pesticide rapid detection method of Fe-N-C-at Hemin nano-enzyme, which comprises (1) a colorimetric signal detection system and (2) an electrochemical signal detection system. Wherein the colorimetric signal system verifies the correlation between acetylcholin esterase and the activity of Fe-N-C-at Hemin oxidase by using the oxidase-like activity of Fe-N-C-at Hemin and the inhibition of thiocholine on the activity of Fe-N-C-at Hemin; the detection performance of the dual-signal intelligent sensor on the organophosphorus pesticide is verified on the basis of the inhibition of the organophosphorus pesticide on acetylcholin esterase by utilizing the correlation between acetylcholin esterase and thiocholine of an ATCh (Acetylthiocholine) product and a current signal according to an electrochemical signal and on the ...

Servo type star sensor structure parameter calibration method

The invention provides a method for calibrating structural parameters of a servo star sensor, which only adopts a theodolite to establish a conversion relation between a prism reference system of the star sensor and a theodolite reference system so as to calibrate the structural parameters of the star sensor. The measurement theodolite obtains characterization vectors of the three axes of the prism coordinate system under the theodolite coordinate system by using the self-collimation function, and converts the characterization vectors of the prism coordinate system to the fixed theodolite coordinate system through mutual aiming with the fixed theodolite; the sighting theodolite obtains a miss-target vector through a sighting function, converts the miss-target vector into an incident vector under a star sensor camera reference system, and establishes a conversion relation between the two reference systems through mutual sighting with the fixed theodolite by adopting a method the same as ...

Low-pollution sampling device for formation fluid while drilling

The invention relates to the technical field of oil and gas drilling formation fluid sampling, in particular to a while-drilling formation fluid low-pollution sampling device which is composed of an outer shell, a suction power assembly and a pre-flushing mechanism assembly, and the suction power assembly and the pre-flushing mechanism assembly are fixed to the outer shell through clamping springs. The battery, the motor, the speed reducer, the ball screw, the piston and the sampling barrel form a suction power assembly, and formation fluid can be sucked and stored in the sampling barrel. The balance piston, the sampling barrel, the flow guide pipe and the three one-way valves form a pre-flushing mechanism assembly, a cavity between the balance piston and the sampling barrel is filled with buffer liquid, impact of high-pressure formation fluid can be buffered, and the pre-flushing mechanism assembly can be used for pre-flushing the high-pressure formation fluid before sampling operation ...

VEHICLE SPEED CONTROL METHOD AND DEVICE

Disclosed are a vehicle speed control method and device, the method comprising: receiving a second speed value inputted by a user, and acquiring the first speed value of a vehicle; determining the speed difference value by deducting the first speed value from the second speed value; if the speed difference value is less than 0, then determining that the vehicle is in the brake control stage, and determining the braking force required by the vehicle to reach the second speed value from the first speed value; and if the speed difference value is greater than 0, then determining that the vehicle is in the traction control stage, and determining the traction force required by the vehicle to reach the second speed value from the first speed value. The present invention determines the speed difference value by deducting the first speed value from the second speed value , and classifies vehicle speed control into brake control and traction control by determining whether the speed difference value ...

Unification method and system for intelligent terminal data of distribution network operation end side

The invention belongs to the technical field of distribution network operation, and discloses a distribution network operation end-side intelligent terminal data unification method and system, and the method comprises the steps: carrying out the data fusion, data integration, and data processing and analysis through combining a big data + data warehouse mode on the basis of an intelligent power grid unification data system; a database of an existing SGDM system is improved in combination with a distributed ETL system, the database is replaced with a data warehouse, and therefore an intelligent terminal unified data system for distribution network operation end side data is provided, meanwhile, the database structure is systematically and specifically designed, and the system reliability is improved. The problems of source multiplicity, spatial distribution diversity, time multi-scale and real-time interactivity of the distribution network data are solved.

Cooling device, system and method for low-temperature sound pressure calibration of pressure sensor

The invention discloses a cooling device, system and method for low-temperature sound pressure calibration of a pressure sensor, and the device comprises a to-be-calibrated pressure sensor, a thermocouple, a sensor installation member, a cold bridge, a cold storage member, a thermal insulation layer, a light reflection layer, and a cold window. The thermocouple is bonded between the to-be-calibrated pressure sensor and the sensor installation member. The cold accumulation component is provided with a structure for being attached to the calibration sensor space positioning device and a structure for being attached to the cold bridge; the cold bridge is fixedly connected to the cold accumulation component and is provided with a structure for attaching the sensor mounting component; the sensor mounting component is fixedly connected to the cold bridge and is provided with a structure for mounting a pressure sensor to be calibrated; the thermal insulation layer coats the outer surfaces of the ...

System and method for top-speed mass memory data persistence, data double writing and data pushing in security core transaction system

The invention relates to a system for realizing top-speed mass memory data persistence, data double-writing and data pushing in a security core transaction system, which comprises a file storage engine, a data analysis engine, a data routing engine, a data persistence engine, a data double-writing engine and a data pushing engine, a plurality of nodes are arranged in the system, and the file storage engine, the data analysis engine, the data routing engine, the data persistence engine, the data double-writing engine and the data pushing engine are arranged in the corresponding nodes. The invention also relates to a corresponding method. By adopting the system and the method for realizing the top-speed mass memory data persistence, the data double writing and the data pushing in the security core transaction system, the whole system is deployed in a cluster mode, the node state is monitored in real time through a main and standby mode, the system reliability is improved, the system has the ...

SOUND WAVE MIXING DEVICE BASED ON THREE-FREEDOM-DEGREE RESONANCE SYSTEM

A sound wave mixing device based on a three-freedom-degree resonance system comprises a rack (1), an excitation unit (2), a counteraction unit (3), and a load unit (4). The counteraction unit (3) is located in the middle of the rack (1) and is connected to an upper plate (103) and a lower plate (101) of the rack (1) by means of a second spring (301). The excitation unit (2) is located in the middle of the counteraction unit (3) and is connected to an upper plate (302) and a lower plate (304) of the counteraction unit (3) by means of a first spring (201). The load unit (4) is located between the rack (1) and the counteraction unit (3) and is separately connected to the rack (1) and the counteraction unit (3) by means of a third spring (403) and a fourth spring (406). A mixing container (401) can be fixed on the load unit (4) or the counteraction unit (3), or two mixing containers (401) are fixed on the load unit (4) and the counteraction unit (3) at the same time.

Large megawatt wind turbine generator gearbox adaptive state monitoring system and method

The invention belongs to the field of wind power generation, and particularly discloses a large megawatt wind turbine generator gearbox self-adaptive state monitoring system and method. Vibration, oil liquid, temperature and video multiple parameters are monitored, set working condition information is collected, a corresponding relation database is established for the working condition information and vibration monitoring and temperature monitoring data, and a large megawatt wind turbine generator gearbox self-adaptive state monitoring system is established. Training a database through monitoring data obtained through normal operation of a unit to obtain a normal range of each monitoring data; according to monitoring data collected by a data acquisition system, the monitoring data are sent to a monitoring server, whether the monitoring data exceed a normal range is judged, a monitoring result is output, the monitoring result is sent to a remote monitoring center, and monitoring indexes ...

CONTROLLING METHOD AND CONTROLLER FOR FUEL CELL

A controlling method for a fuel cell includes: obtaining a current output power of the fuel cell; obtaining a current inlet-outlet temperature difference of the fuel cell stack which represents the difference between the stack temperature and the ambient temperature; regulating the electromagnetic valve for hydrogen exhaust according to the output power; regulating the stack temperature according to the output power and the inlet-outlet temperature difference of the stack. A controller for a fuel cell is also provided. The invention brings water balance within the fuel cell by regulating the relevant parameters during the reacting process of the fuel cell according to the current output power of the fuel cell and the current inlet-outlet temperature difference of the stack obtained, thus to bring the fuel cell operating in a preferred state, ensure a steady output of the fuel cell and prolong the operating life.

A intelligent entrance guard integrated device for production of explosive line

... 本实用新型公开了种用于炸药生产线的智能化门禁集成装置，是由红外摄像机（1）、进门刷卡器（2）、位于门禁通道进口两侧的对进门红外光栅、防水接线箱（4）、位于门禁通道出口两侧的对出门红外光栅、出门刷卡器（6）、LED显示屏（7）、防爆声光报警器（8）、防爆喇叭（9）、现场多数据光端机（10）、控制室多数据光端机（11）、综合智能采集器（12）、交换机（13）、硬盘录像机（14）、PC机（15）、UPS电源（16）组合构成，具有能够确保人员计数准确、身份识别无误，不同通道出入实现自动连锁，由后台软硬件实现统管理，可切实提高民爆企业炸药生产线的安全技术条件和保障措施，数据可长期保存和查询，系统的可靠性和安全性高。 ...

一种饲养甜菜夜蛾的人工饲料

... 本发明涉及一种经济实用的甜菜夜蛾人工饲料，适用于人工大规模饲养甜菜夜蛾，生产甜菜夜蛾病毒杀虫剂。它包括有以下的原料混制而成，其组份配比按重量计为：大豆粉7％-10％；酵母粉3％-5％；麦麸2％-5％；琼脂1.5％-3％；辅料适量；水余量。本发明饲料饲养出来的甜菜夜蛾平均蛹重达117.8mg，羽化率99％，幼虫存活率高，蛹发育良好，产卵量及卵的出孵率均与天然饲料接近，连续传代无畸形，蛹重仍可保持较高的水平；本发明还具有价格低廉、经济实用、配制简便的特点，完全可以满足甜菜夜蛾生长发育的需要，适于工业大规模饲养甜菜夜蛾，为病毒杀虫剂的生产提供稳定可靠的来源。 ...

Illumination system rapid OTA upgrading method based on SIG Mesh networking and illumination system

The invention discloses a lighting system rapid OTA upgrading method based on SIG Mesh networking and a lighting system, and belongs to the technical field of system upgrading. According to the OTA upgrading scheme provided by the invention, through a propagation connection mode, the upgrading firmware only needs to be sent to one Bluetooth lamp in the Mesh network through the Bluetooth gateway, OTA upgrading of the whole lighting system can be completed after waiting for a period of time, and the trouble that each Bluetooth lamp needs to be sequentially upgraded in a traditional manual mode is avoided. And through the OTA upgrading mode of propagation connection, the convenience of OTA upgrading of the lighting system is improved, and the problems that in the upgrading process of a traditional mode, an appropriate distance needs to be kept between the Bluetooth lamp and each Bluetooth lamp, and the upgrading process is time-consuming and tedious are solved.

METHOD FOR REMOVING DUST IN GAS FUMES

Disclosed is a method for removing dust in gas fumes by adopting an emulsion liquid-film technology, comprising the following specific steps: (1) dissolving a surfactant in a film solvent and adding water as an internal phase liquid to prepare a water-in-oil type emulsion; (2) dispersing the prepared emulsion into water so that the emulsion is in contact with gas fumes in a spraying manner or a reaction pool (pot) manner to remove dust; (3) demulsifying the dust-carrying emulsion via high voltage static electricity, and after being in a stationary state, using the film phase liquid in the upper layer of a separator for re-preparing an emulsion; and (4) letting the separated dust settle and discharging same from the bottom of a dust removal pool (pot) or a dust removal tower in the form of a slurry.

Abnormal event processing method and device, storage medium and server

The embodiment of the invention discloses an abnormal event processing method and device, a storage medium and a server, and relates to the field of office automation. When the abnormal event is detected to be triggered, the event attribute information of the abnormal event is acquired, and the event attribute information is processed according to the preset group establishment rule to obtain the group comprising the plurality of persons in charge, so that the corresponding persons in charge are automatically determined according to different abnormal events; and according to the purpose of automatically determining the responsible person component group, the problem of low efficiency caused by manual person pulling and group building in the prior art is solved, and the processing efficiency of the abnormal event can be improved.

Airborne range finder navigation audio simulation system, method, equipment and medium

The invention provides an airborne range finder navigation audio simulation system, method and device and a medium, and belongs to the technical field of aviation simulation. The system comprises an airborne range finder DME simulation module, an interface system, a radio interface unit RIU and an audio playing device. The airborne range finder DME simulation module obtains an integer variable based on the 01 character string of the target station identification code and the size of the target frame data bit, and then sends the integer variable to the interface system; the interface system generates a target frame according to the integer variable and sends the target frame to the RIU; and the RIU controls an audio playing device to play the audio information of the target station identification code based on the target frame. According to the airborne range finder navigation audio simulation system and method, the equipment and the medium provided by the invention, data transmission between ...

Pickling device based on sargassum fusiforme arsenic removal method

The pickling device based on the sargassum fusiforme arsenic removal method comprises a rack (1), a top frame (2) is arranged at the upper end of the rack (1), a cutting and discharging mechanism (3) is arranged on the top frame (2), side supports (4) are arranged on the two sides in the rack (1), bearing seats (5) are arranged on the side supports (4), a cleaning cylinder support (6) is arranged between the side supports (4) on the two sides, and a shaft body (7) is arranged on the side portion of the cleaning cylinder support (6). The shaft body (7) is arranged in the bearing seat (5); a drum-type cleaning mechanism (8) with a drain valve is arranged in the cleaning drum support (6), and a heating pipe (9) is arranged in the drum-type cleaning mechanism (8). The sargassum fusiforme can be effectively pickled and processed, the processing period is shortened, and the processing efficiency is improved.

Method for preparing high-strength corrosion-resistant rivet from 7050 aluminum alloy

The invention belongs to the technical field of aluminum alloy rivet machining, and discloses a method for preparing a high-strength corrosion-resistant rivet from 7050 aluminum alloy, and the method comprises the five process steps of homogenizing heat treatment, equal-channel angular pressing, cold heading forming, aging heat treatment and nano coating spraying. The process flow in the rivet manufacturing process is integrated and simplified, the production period is shortened, the yield strength of the formed rivet reaches 550 MPa, the hardness reaches 190 HV, the formed rivet has good corrosion resistance, the machining time and the aging time are greatly shortened, and the production efficiency is improved.

Indoor pico-base station detection and positioning method and device based on end-cloud collaboration

The invention discloses an indoor pico-base station detection and positioning method and device based on end-cloud collaboration. The method comprises the following steps: firstly, collecting a to-be-detected picture by using a binocular camera; transmitting the picture into an end side platform for depth calculation; sending the video frames to a buffer area, and sending the first video frame in the buffer area to a cloud side platform for target detection and feature extraction; and then the bounding box, the feature points and the labels are transmitted back to an end side platform for tracking, and detection and positioning results are rendered on a display device. In the tracking process, whether the current video frame is sent to the cloud for detection or not is adaptively judged according to the accumulated tracking error, the gray difference value between the current frame and the previous frame, the number of the tracked video frames and the number of the video frames which are ...

Method and device for extracting positive sequence component and negative sequence component of fundamental wave

The invention discloses a method and a device for extracting a positive sequence component and a negative sequence component of a fundamental wave. The method comprises the following steps: setting a preset value of collection times according to different power grid environments, collecting a three-phase electric signal at the current moment to perform coordinate system transformation, storing a transformation result, and when the collection times are equal to the preset value, listing an equation capable of obtaining a positive sequence component and a negative sequence component of a fundamental wave of the electric signal according to the transformation result and solving the equation. In consideration of various power grid environments, the positive sequence component and the negative sequence component of the fundamental wave can be extracted for the power grid environments of different areas by changing the value of the collection times, the larger the preset value is, the smaller ...

MUTANT P-HYDROXYPHENYLPYRUVATE DIOXYGENASE, AND CODING NUCLEIC ACID AND USE THEREOF

Disclosed are a mutant p-hydroxyphenylpyruvate dioxygenase (HPPD) protein, a biologically active fragment thereof and an isolated polynucleotide comprising a nucleic acid sequence encoding the protein or fragment, wherein the mutant p-hydroxyphenylpyruvate dioxygenase (HPPD) protein or the biologically active fragment thereof retains or enhances its property of catalyzing the conversion of p-hydroxyphenylpyruvic acid (HPP) into homogentisic acid, and is less sensitive to HPPD inhibitors than wild-type HPPD. Also disclosed are a nucleic acid construct, expression vector and host cell comprising the polynucleotide, as well as a method for producing a plant that has the property of catalyzing the conversion of p-hydroxyphenylpyruvic acid (HPP) into homogentisic acid, and at the same time, has a reduced sensitivity to HPPD inhibitory herbicides.

Fabricated building wall and construction method

The invention provides a fabricated building wall and a construction method.The building wall is formed by vertically and/or horizontally connecting a plurality of unit modules, each unit module comprises a wall plate and two stand columns, the middles of the stand columns are fixedly connected to the two sides of the wall plate through connecting assemblies, and the stand columns are formed by splicing a plurality of cold-formed thin-walled section steel; a plurality of vertically-through semi-closed spaces are formed in the stand columns, and the adjacent semi-closed spaces are communicated through first through holes formed in the cold-formed thin-walled steel. A first gap is formed between the wall plate and each stand column. A first pouring body is formed in all the semi-closed spaces and the first gaps in a pouring mode in the mode of wrapping the stand columns. According to the scheme, concrete is poured into the vertically-through semi-closed spaces and the first gaps, the concrete ...

Bitcoin address service category multi-classification method based on bipartite graph maximization consensus

The invention discloses a bipartite graph maximization consensus-based bitcoin address service category multi-classification method. The method comprises the following steps of: collecting address information with labels; using software and an interface tool to construct an address analysis framework by using the collected address information; transaction information and entity information in the address information are preprocessed through the constructed address analysis framework; performing feature extraction on the preprocessed transaction information and entity information, and obtaining an address classification result and an entity clustering number by using a machine learning algorithm; optimizing the address classification result based on a bipartite graph maximization consensus method; according to the invention, a new feature extraction mode is used to improve the accuracy of address service identification; and a bipartite graph-based maximum consensus algorithm is used to solve ...

Main transformer load risk assessment method

The invention discloses a main transformer load risk assessment method, and the method comprises the steps: constructing a risk assessment model based on a main transformer load condition in combination with a power system risk assessment theory, R = P * F * C, F = Pi < i >, and in the formula, R is a main transformer load risk value; p is the load factor and is the integral of the main variable load rate in the time interval T, and beta (t) is the value of the load rate at each time point in the time interval; f is a load correlation factor and is a product of other factors fi causing load risk factors on the basis of the main transformer load rate; fi comprises an aging factor, an alarm factor, a defect factor, a historical overload factor, an overload factor and an overload correction factor; and C is a severity value of consequences caused by a main transformer load risk. According to the method, main transformer heavy load and overload multi-dimensional analysis and correlation analysis ...

Named entity identification method, module, equipment and medium

The invention relates to a named entity recognition method, module, equipment and medium, and the method comprises the steps: obtaining text data which comprises the data of a to-be-recognized named entity; a preset recognition model is used for recognizing the text data, and the preset recognition model is obtained through training based on a self-suppression residual module; and determining a target entity name of the to-be-identified named entity by using an identification result of the preset identification model on the text data. The text is subjected to named entity recognition through the preset recognition model with the self-suppression residual module, the self-suppression residual module can mine the depth feature of the text depth, and the problem that the named entity recognition technology is low in accuracy is solved.

Box body assembly, detection method and device for lighting device and refrigerator

The invention relates to the technical field of intelligent household appliances, and discloses a box body assembly which comprises a box body and further comprises a door body used for opening or closing the box body; the lighting device is arranged on the box body and comprises a lighting lamp and a switch piece, and the switch piece is used for moving under the condition that the switch piece makes contact with the door body so as to control the lighting lamp to be turned on or turned off; the detection circuit is connected with the switch piece and used for obtaining the compression amount of the switch piece. The detection circuit is arranged to obtain the compression amount of the switch part so as to determine the moving condition of the switch part, and the switch part moves under the condition of being in contact with the door body so as to control the lighting lamp to be turned on or turned off, namely the state of the lighting device is controlled. Therefore, whether the lighting ...

FREEZE-DRIED PROTECTIVE FORMULA AND PRODUCT FOR NUCLEIC ACID AMPLIFICATION REAGENT, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

A freeze-dried protective formula and a product for a nucleic acid amplification reagent, a preparation method therefor and an application thereof. The freeze-dried protective formula comprises mannitol, a glucan, PVP and Tween. The freeze-dried protective formula extends the shelf life of nucleic acid amplification reagents, thus solving the problem in which long-distance transportation and long-term storage of nucleic acid amplification reagents are difficult, and ambient temperature transportation can be achieved.

Portable weather enclosure is used in subway station construction

... 本实用新型公开种地铁车站施工用移动式防雨棚，包括多架支架单元和与支架单元垂直连接的竖向支柱；支架单元包括互相平行的横向的第上弦杆、第二上弦杆和下弦杆，设于第上弦杆和所述第二上弦杆上方的纵向支架；第上弦杆与下弦杆之间设有第支撑梁组，第二上弦杆与下弦杆之间设有第二支撑梁组，第上弦杆和第二上弦杆通过纵向支架连接；下弦杆的两端分别连接有竖向支柱，竖向支柱的底部设有滚轮。本实用新型发明，可以极大程度地克服地铁车站施工露天作业受天气气候等的影响；并且有效减少了地铁车站施工时造成的污染，降低了对周边环境、居民的影响；延长了有效施工时间，提高了工作效率及经济效益。 ...