Rear floor boundary beam lap joint structure and automobile

The invention belongs to the technical field of automobile bodies, and relates to a rear floor boundary beam lap joint structure and an automobile, which comprises a boundary beam rear section, a boundary beam middle section and a lap joint part. The boundary beam rear section comprises a first boundary beam body; the boundary beam middle section comprises a second boundary beam body; the lap joint part comprises a lap joint plate. The lap joint plate is formed by extending the end, close to the second edge beam body, of the first edge beam body. The lap joint plate is connected with the second edge beam body. A part of the first boundary beam body extends out to serve as the lap joint plate, the connecting portion of the boundary beam rear section and the boundary beam middle section is moved forwards, materials used for manufacturing the boundary beam middle section are reduced, and cost is reduced; the edge beam middle section and the edge beam rear section are changed from the original ...

Supported wide-temperature sulfur-resistant and water-resistant SCR (Selective Catalytic Reduction) denitration catalyst for cement kiln as well as preparation method and application thereof

The invention relates to a supported wide-temperature sulfur-resistant and water-resistant SCR denitration catalyst for a cement kiln and a preparation method and application thereof.The SCR denitration catalyst comprises a carrier, active components, active auxiliaries, forming auxiliaries and functional auxiliaries, the active components comprise Fe oxide and V oxide, the active auxiliaries comprise transition metal oxide and rare earth metal oxide, and the forming auxiliaries comprise forming auxiliaries and functional auxiliaries. The functional additive is ZSM-5 and a combination of one or more of starch, attapulgite, sepiolite powder, MCM-41, ethylene glycol and a 4A molecular sieve, and the ZSM-5 accounts for more than 15% of the total mass of the functional additive; during preparation, a protective layer rich in pore channels is formed around a transition metal oxide active component prone to sulfur poisoning in a vacuum coating mode by utilizing a functional additive, and then ...

Printing ink and colored photovoltaic module

The invention provides printing ink and a color photovoltaic module containing the printing ink. The printing ink comprises infrared reflection powder and color developing toner, the mass ratio of the infrared reflection powder in the printing ink is 0.1%-30%, preferably 5%-15%, and the mass ratio of the color developing toner in the printing ink is 0.1%-20%, preferably 1%-5%. According to the method and the device, the color implementation mode is optimized, so that the high efficiency of the component is ensured while the color is realized. Meanwhile, due to the addition of the infrared reflection toner, the front plate glass of the assembly has higher reflectivity to infrared rays, the working temperature of the assembly can be reduced, the generating capacity can be improved, and the service life of the assembly can be prolonged.

Data enhancement processing and model training method and device, and electronic equipment

The invention provides a data enhancement processing and model training method and device, electronic equipment and a storage medium, and the method comprises the steps: determining at least one enhancement processing type of original data according to the data type of the original data; and according to the at least one enhancement processing parameter of the at least one enhancement processing category and the randomly generated noise parameter, performing data enhancement processing on the original data to obtain enhanced data of the original data. According to the method, by introducing the random noise parameters, the reasonability and universality of the data enhancement processing result can be ensured, and the model training effect can be improved.

Combined prefabricated floor slab for fabricated building

The invention relates to a prefabricated floor slab, in particular to a combined prefabricated floor slab for a fabricated building. The prefabricated slab comprises a prefabricated slab body and a pair of clamping devices. The prefabricated slab body is subjected to sleeving treatment through gaps formed by the two clamping plates and the bottom blocks, then the hanging rope is limited through the limiting assembly, a hanging rope point is provided for the hanging rope, the position of the hanging rope is limited, the stability in the hanging process is improved, and the practicability is high. After the side face of the bottom end of a sliding plate is attached to the other end of the installation wall face, the sliding plate is extruded by the wall face, and then a connecting spring is driven to stretch till the bottom end of the clamping plate is attached to the top end of the installation wall face; the prefabricated slab body is positioned through the positioning plate and the sliding ...

SHOCK ABSORBER OF PAN-TILT, PAN-TILT ASSEMBLY, AND MOVABLE PHOTOGRAPHING DEVICE

A shock absorber of a pan-tilt, comprising: an inner support member (1102), an outer support member (1101), and a telescopic elastic member (1103). The outer support member (1101) is fitted over the inner support member (1102); one of the inner support member (1102) and the outer support member (1101) is adapted to be fixed to a movable device (30), and the other is adapted to be fixed to a pan-tilt (120); two ends of the elastic member (1103) are respectively fixedly connected to the outer support member (1101) and the inner support member (1102); when the pan-tilt (120) is subjected to a shock, the outer support member (1101) and the inner support member (1102) generate displacement due to the shock, so that the elastic member (1103) is driven to be elastically deformed. The shock absorber can absorb the shock suffered by the pan-tilt, and improve the stability and prolong the service life of a pan-tilt-carried camera. Also provided are a pan-tilt assembly and a movable photographing ...

电子商务信息管理操作屏

Electric heater fixing mechanism convenient to install

The invention discloses an electric heater fixing mechanism convenient to install, and relates to the field of electric heaters. Through arrangement of a through groove, a sliding plate, a guide plate, a connecting plate and a storage groove, under the action of the through groove, the sliding plate and the storage groove, the guide plate and the connecting plate can enter an inner extending plate, and the situation that the supporting effect of the fixing legs and the extending plate on the heating cylinder is affected by arrangement of the guide plate and the connecting plate is prevented; and under the action of a guide plate and a connecting plate, when the heating cylinder and the fixing legs are pushed towards the embedded bolts, the guide plate can guide the heating cylinder and the fixing legs under the action of the shape of the guide plate and the embedded bolts until the embedded bolts make contact with the connecting plate, and therefore the heating cylinder and the fixing legs ...

BASE STATION AND VEHICLE HAVING SAME

A base station and a vehicle having same. The base station (100) is able to wirelessly communicate with an unmanned aerial vehicle (200), and the base station comprises: an operation platform (120); a take-off and landing platform (130); a transfer mechanism (140) at least partially provided on the take-off and landing platform, so as to transfer the unmanned aerial vehicle, which lands on the take-off and landing platform, into the operation platform and/or to transfer the unmanned aerial vehicle housed in the operation platform to the take-off and landing platform; and a controller (110) for triggering, when the state of the unmanned aerial vehicle satisfies a specific policy or when a scheduling instruction is received, the base station to execute an operation of recycling the unmanned aerial vehicle and/or an operation of launching the unmanned aerial vehicle, and controlling, when the base station executes the operation of recycling the unmanned aerial vehicle and/or the operation ...

Direct current energy consumption device and switch submodule

The invention provides a direct-current energy consumption device and a switch sub-module, is suitable for the technical field of power electronics, and can solve the problem of high cost of an existing direct-current energy consumption device. The scheme comprises one or more energy-consuming resistors; one or more current limiting reactors; and a switch module. Wherein the switch module, the one or more current limiting reactors and the one or more energy consumption resistors are connected in series between two direct current buses, and the switch module is used for controlling the on or off of a main energy consumption loop composed of the switch module, the one or more current limiting reactors and the one or more energy consumption resistors.

Control method for calculating fixed weight of steel billet based on non-fixed length of bar

The invention relates to the technical field of continuous casting and steel rolling production shearing control, and particularly discloses a control method for calculating the fixed weight of a steel billet based on non-fixed length of a bar, which comprises the following steps: 1) steel billet tracking in hot charging and direct rolling processes: (1) virtual position triggering, (2) flow number transmission, and (3) after the steel billet enters a rolling line, the technology is consistent with a cold billet signal tracking technology; 2) a calculation method based on the non-fixed length of the bar; (3) the rolling line double-length shear control system uploads the remaining length and the steel billet flow number after the last double-length is cut and fixed to the industrial internet platform through the PLC control system, and the industrial internet platform issues the steel billet adjusting length; 4) performing data conversion between the continuous casting primary control system ...

FLASH DEVICE AND PREPARATION METHOD THEREOF

A flash device and a preparation method thereof. The method comprises: providing a substrate (10), and forming, on the substrate (10), a floating gate polycrystalline layer (20), a floating gate oxide layer (30), and a tunneling oxide layer (40), wherein the floating gate polycrystalline layer (20) is formed on the substrate (10), the floating gate oxide layer (30) is formed between the substrate (10) and the floating gate polycrystalline layer (20), the continuous tunneling oxide layer (40) is formed on the substrate (10) and the floating gate polycrystalline layer (20), a substrate region at one side of the floating gate polycrystalline layer (20) is a first substrate region, the first substrate region is used to form a source doped-region, a substrate region at the other side of the floating gate polycrystalline layer (20) is a second substrate region, and the second substrate region is used to form a drain doped-region; forming, on the tunneling oxide layer (40) located in the first ...

PREMIX FOR LITOPENAEUS VANNAMEI AND PREPARATION METHOD THEREFOR

Disclosed are a premix for Litopenaeus Vannamei and a preparation method therefor, which belong to the field of aquatic feed. The premix of the present invention contains vitamins, mineral salts, amino acids, yeast cell walls and Chinese herbal medicines, with the premix containing the following Chinese herbal medicines in parts by weight: 1.5-3 parts of Herba houttuyniae, 1.3-2.3 parts of cortex acanthopanacis, 1.5-2 parts of gallnut, 2-3 parts of rhubarb, 1.8-2 parts of Radix scutellariae, 2.7-3.5 parts of Gentiana scabra, 1.8-2 parts of cortex phellodendri, 2.5-3 parts of fleece-flower root, 1.8-2.2 parts of acanthopanax and 0.5-1 part of Codonopsis pilosula. Addition of the premix of the present invention to a feed can maintain the hepatopancreas of Litopenaeus Vannamei, enhance the non-specific immunity of Litopenaeus Vannamei and reduce the incidence rate of white stool syndrome.

RAIL MILLING VEHICLE TRANSMISSION SYSTEM

A rail milling vehicle transmission system comprises a main engine (1), a transfer case (2), a traction generator (3), a traction motor (4), a gearbox (5), and a wheel pair (6) all sequentially connected, and a traction controller (7) connected to the traction motor (4). The present invention employs an electric drive technique for driving the traction motor (4) and controls the milling vehicle to travel at a high speed or a slow constant speed via the traction controller (7) electrically connected to the traction motor (4), and enables the milling vehicle to travel at a high speed and a slow constant speed and satisfies the demands of a traction condition and a working condition via a set of drive system. The drive system has a simple and compact structure and addresses a technical problem of a complex structure of the drive system in the prior art.

ELECTRIC GENERATOR FOR CAR

An electric generator for a car, comprising a motor rotary shaft (1), a fore bearing (2), a rear bearing (3), a front end cover (4), a rear end cover (5), a motor rotor (19), and a motor stator (20). A front end of the motor rotary shaft is provided with a connection part (6) which is connected to a power output shaft of a driving engine, and a rear end of the motor rotary shaft is provided with a power transmission and separation mechanism. The electric generator for a car has a reasonable structure; by integrating a flywheel (7) and a clutch (8), and providing the capability of bearing axial separating force, the mechanism of the entire power system is more compact, the power transfer of the driving engine is more stable, power requirements for driving of the mobile generator are satisfied, and the electricity generation effect is good.

Black weather-proof layer, photovoltaic module and color photovoltaic module

The invention discloses a black weather-resistant layer which comprises the following components: 80-100 parts of a weather-resistant resin base material, 40-120 parts of a solvent, 10-50 parts of a black pigment, 5-20 parts of a filler, 1-20 parts of a silane coupling agent, 3-30 parts of a curing agent and 1-5 parts of an auxiliary agent. The invention further provides a photovoltaic module and a color photovoltaic module. According to the photovoltaic module provided by the invention, due to the effect of the reinforced adhesive film layer, the internal adhesive film layer still has high elastic modulus and strength under the high-temperature condition of normal work of the photovoltaic module, so that the photovoltaic module has relatively high safety.

High-precision bolted steel tower end face size control method

The invention relates to a bolted steel tower end face size control device which can be used for controlling the end face size of a bolted steel tower, can effectively improve the assembly precision and the assembly efficiency, and ensures that a steel tower box opening staggered platform meets the deviation value requirement of less than or equal to 1mm and the axis perpendicularity is 1/10000. According to the method for controlling the end face size of the high-precision bolted steel tower, the construction period cost and the repair cost are saved, the tower section assembling precision is controlled in the steel tower manufacturing process, and size restraining tools are installed and fixed in the tower column block assembling process and the tower section assembling process correspondingly; the circumferential wall plate and the middle web plate of the tower column are relatively fixed to form single internal constraint control, and the welding deformation is reduced through single ...

Data warehouse development method and device based on standardization automation, terminal equipment and storage medium

The invention provides a data warehouse development method and device based on standardization automation, terminal equipment and a storage medium, and relates to the field of computer systems. From the perspective of the whole data warehouse development system, a standardized data warehouse development platform with complete functions is designed; according to the characteristics of the data warehouse development process, the development process is automated, and one-key warehousing of the source pasting layer is realized; according to the method, an online editor mode is adopted for script development with many temporary tables, and the system automatically checks the normalization of the scripts and automatically formats the scripts.

Multi-shaft and multi-station honing device for connecting rod assembly

The invention relates to a connecting rod assembly multi-shaft multi-station honing device which comprises a bottom plate, hole honing clamps, a cooling mechanism and an upper plate, the bottom plate is installed on a honing machine, the hole honing clamps are arranged on the bottom plate in a spaced circumferential array mode and correspond to honing stations one to one, and the hole honing clamps can slide in the radial direction of the bottom plate. The cooling mechanism is arranged in the center of the bottom plate and comprises a plurality of cooling water pipes arranged circumferentially, the cooling water pipes correspond to the honing stations one by one, the honing machine can conduct honing operation on multiple shafts and multiple stations at the same time, honing operation of a large-end hole and a small-end hole can be completed through one-time clamping of a connecting rod assembly without re-disassembling and re-assembling, honing consistency is guaranteed, and the honing ...

FLASH MEMORY STORAGE STRUCTURE AND MANUFACTURING METHOD THEREFOR

A flash memory storage structure and a manufacturing method therefor. The method comprises: depositing a polycrystalline silicon layer (200) on a substrate structure (100); using the polycrystalline silicon layer (200) to form a floating gate (210) and a field oxide structure (220) covering the floating gate (210); thinning the field oxide structure (220) to expose the tip of the floating gate (210); forming a tunnel oxide layer (300) on the field oxide structure (300) and the floating gate (210); and forming a control gate (400) on the tunnel oxide layer (300).

Grain that mildenes and rot of grain proportion sieve separator device of putting out cereal

... 本实用新型公开了一种粮食比重筛选机的霉变粮出粮装置，包括有粮食比重筛选机，在粮食比重筛选机的霉变粮出口处设有霉变粮收集槽，所述的霉变粮收集槽为倒等腰梯形槽，在倒等腰梯形槽的底端左右侧分别设有粮食出口滑槽，在倒等腰梯形槽内部的中间位置设有隔板，隔板将倒等腰梯形槽内腔分隔成两个腔体，霉变粮收集槽的前侧板的高度小于后侧板的高度，且左右侧板顶部分别设有挡板一，将霉变粮收集槽正对粮食比重筛选机的霉变粮出口处竖直放置，霉变粮收集槽的前侧板的顶部低于粮食比重筛选机的比重筛的底部。本实用新型将霉变粮收集槽分为两个进口和两个出口，分别调节相对应的翻板的倾斜度来调节粮食的比重度，操作方便，省时省力，经济实用。 ...

A device that is used for saw rail in narrow and small space

... 本实用新型公开了一种用于狭小空间内锯轨的装置，包括底架、驱动电机、拉板和砂轮装置，所述驱动电机固定设置在底架上，所述底架上还设置固定轴，驱动电机输出端的带轮一与固定轴上的带轮二之间通过传动带连接，所述拉板一端与固定轴转动连接，另一端通过转动轴与砂轮装置转动连接，所述固定轴上的带轮二与转动轴之间通过传动带连接，所述拉板上设置一根加力杆。本实用新型的有益效果是：结构简单，操作方便，适合在狭小空间内完成锯轨操作；整个装置重量小，移动方便。 ...

Leakage-free energy accumulator and liquid filling method thereof

The invention discloses a leakage-free energy accumulator and a liquid filling mode thereof, and relates to the technical field of hydraulic pressure. The leakage-free energy accumulator comprises an injection oil cylinder, a first energy accumulator, a second energy accumulator, an oil pump and an oil tank; the injection oil cylinder is provided with a first oil way, a second oil way and a third oil way, and the first oil way and the second oil way are connected with a first electro-hydraulic valve; the first oil way is connected with a second logic valve; a third logic valve and a fourth logic valve are arranged between the first energy accumulator and the second oil way; a fifth logic valve is arranged between the second energy accumulator and the third oil way; a first energy accumulator oil drain valve is arranged between the first energy accumulator and the oil tank; a second energy accumulator oil drain valve is arranged between the second energy accumulator and the oil tank; by ...

DAMPING DEVICE, PAN-TILT ASSEMBLY HAVING SAME, AND UNMANNED AERIAL VEHICLE

A damping device, a pan-tilt assembly having same, and an unmanned aerial vehicle. The damping device comprises a connecting shaft (30) passing through a body (1) of an unmanned aerial vehicle, and a first damping structure (10) and a second damping structure (20) respectively disposed at both ends of the connecting shaft (30). The first damping structure (10) is connected to the body (1) or an arm (2) of the unmanned aerial vehicle; the second damping structure (20) is connected to the body (1) of the unmanned aerial vehicle; one of the first damping structure and the second damping structure is connected to a pan-tilt (201). The first and second damping structures are arranged in upper and lower layers, and the pan-tilt is connected to the unmanned aerial vehicle by means of the first damping structure or the second damping structure, so that damping of the pan-tilt is achieved; the structure is simple, and the pan-tilt can be mounted on or under the unmanned aerial vehicle.

SPIRAL LOUVER CONDENSER WITH MULTILAYER SPACE STRUCTURE

A spiral louver condenser with multilayer space structure, comprising fins (1) and a refrigeration pipe (2). The fins (1) are spirally wound around the outer wall of the refrigeration pipe (2) at equal screw pitches. The fins (1) are integrally formed by stamping a strip-shaped sheet material and at least comprise first heat-absorbing and heat-radiating bodies (11) and second heat-absorbing and heat-radiating bodies (12). A broken (13) line is arranged between adjacent heat-absorbing and heat-radiating bodies (11, 12), and each heat-absorbing and heat-radiating body (11, 12) forms a wavy structure. Relative wave crests (111, 122) and wave troughs (121, 112) are formed at each broken line (3) between the adjacent heat-absorbing and heat-radiating bodies (11, 12), and the wave crests (111, 122) and wave troughs (121, 112) formed by all the broken lines (3) of the adjacent heat-absorbing and heat-radiating bodies (11, 12) form a honeycomb structure together. The wavy edges of the first heat-absorbing ...

High-performance carbon fiber reflector backboard, preparation method and preparation mold

The invention provides a high-performance carbon fiber reflector backboard, a preparation method and a preparation mold, and belongs to the technical field of carbon fiber composite materials. The problems that an existing space camera bearing structure is large in mass, complex in forming process and the like are solved, the forming process is simple, and the bearing structure is particularly suitable for aerospace space cameras. The preparation process specifically comprises the steps of mold processing, laying male mold forming, prepreg laying, mold closing and curing, demolding and finishing, opening machining and inspection and delivery. Compared with a traditional metal material remote sensing camera main back plate structure, the carbon fiber composite material back plate structure has the advantages of being light in weight, small in material density, large in structural strength and the like, and the carbon fiber composite material back plate can highly achieve light weight while ...

Method and device for evaluating promotion strategy, electronic equipment and storage medium

The embodiment of the invention provides a promotion strategy evaluation method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a first historical promotion strategy and historical promotion data, user historical asset data and user historical behavior data of the first historical promotion strategy; determining promotion features of the first historical promotion strategy; obtaining a current promotion strategy needing to be evaluated and promotion features of the current promotion strategy; comparing the promotion features of the first historical promotion strategy with the promotion features of the current promotion strategy one by one, and determining a target historical promotion strategy of which the promotion feature similarity is greater than a preset similarity; and according to the historical promotion data corresponding to the target historical promotion strategy, the user historical asset data and the user historical behavior ...

Hydrogen-rich high-oxygen high-air-temperature iron-making fluidized bed smelting reduction furnace

The invention discloses a hydrogen-rich high-oxygen high-air-temperature iron-making fluidized bed smelting reduction furnace, and relates to a hydrogen-rich high-oxygen high-air-temperature iron-making fluidized bed smelting reduction furnace. A furnace body is of an upper expansion furnace type and comprises a hearth, a bosh and a furnace body, the hearth wall is provided with an iron notch, a hearth pulverized coal spray gun and a first tuyere, the hearth wall on the upper side of the first tuyere is connected with the lower side of the bosh, the upper side of the bosh is connected with the furnace body, and the furnace body wall is provided with a lump coal sealing feeding port, a second tuyere and an organic matter spray gun; a hydrogen-rich or even pure hydrogen reducing agent is added, after various devices located over complete pre-reduction, mineral powder is bonded into mineral powder aggregates with the particle size of about 3 mm, the mineral powder aggregates are directly discharged ...

Geological radar migration and deconvolution digital identification method

The invention discloses a geological radar migration and deconvolution digital identification method. The method comprises the steps of performing discrete wavelet transform decomposition on a radar wave image to obtain high-frequency coefficients and low-frequency coefficients of multiple scales; performing threshold processing and image reconstruction on the high-frequency coefficient and the low-frequency coefficient; a direct wave is obtained by adopting an average method, and a two-way wavelet amplitude spectrum is estimated based on the direct wave and a radar wave attenuation function; and calculating a deconvolution operator based on the two-way wavelet amplitude spectrum, and identifying abnormal waves by adopting an Euler deconvolution method. Through offset processing and deconvolution identification, interference of the environment and multiple waves can be effectively suppressed, and the accuracy of abnormal wave identification is improved.

Method for preparing glass substrate through hole by utilizing acid-base alternate corrosion

The invention discloses a method for preparing a glass substrate through hole by utilizing acid-base alternate corrosion, which comprises the following steps: S1, immersing a glass substrate modified by laser in weak acid liquor, stirring and circulating, and corroding a modified area at a first temperature to increase the diameter of an outlet of the through hole by a first preset value; s2, immersing in alkali liquor, stirring and circulating, cleaning at a second temperature, and increasing the diameter of an outlet of the through hole by a second preset value; s3, immersing in a strong acid solution, and carrying out ultrasonic cleaning at a third temperature for a preset time; and repeating at least two of the steps S1, S2 and S3 to circularly corrode the through hole to the target outlet diameter. The acid liquor and the alkali liquor alternately react with the glass substrate, reaction products in a modification area of the glass substrate are dissolved and removed, and the yield ...

TED-based high-tolerance metal chelating reagent affinity filler as well as preparation method and application thereof

The invention relates to a preparation method of a TED-based high-tolerance metal chelating reagent affinity filler. The preparation method comprises the following steps: 1) providing a matrix I; (2) constructing an epoxy group spacer arm on the surface of the substrate to obtain a substrate II with the epoxy group spacer arm on the surface; 3) constructing a TED group on the surface of the substrate with the epoxy group spacer arm to obtain a substrate III with the TED group on the surface; and 4) chelating the TED group with divalent or more than divalent metal ions to obtain the metal ion affinity filler of the high-tolerance metal chelating reagent based on the TED. According to the filler, the problem that in the prior art, metal chelating filler based on IDA and NTA does not tolerate EDTA, metal ions are lost, and the dynamic loading capacity of the filler is reduced can be solved; in the preparation process, high-cost raw materials are not used, the process is simple and stable, ...

Transformer substation geological deformation monitoring method based on image dislocation analysis and Beidou satellite

The invention discloses a transformer substation geological deformation monitoring method based on image dislocation analysis and a Beidou satellite, and the method comprises the steps: generating all ground surface state point cloud distribution diagrams according to geological plane images obtained by dual camera radars and distributed point cloud data, building an R-FCN network model, and then carrying out the feature extraction; acquiring a height difference range of a fitting plane at different time according to the plane fitted by the extracted point cloud; the ground surface settlement range is greatly enlarged through the double camera radars, compared with existing double-satellite survey analysis, the monitoring precision is improved, the calculation degree of deformation information can be accurate to be within 0.1 mm, and meanwhile the problem that absolute coherent time sequence periodicity cannot be guaranteed when double satellites are used in a combined mode is solved.

TWISTED-LAYER SPIRAL FIN CONDENSER

A twisted-layer spiral fin condenser, comprising at least two planar spiral fin tube sets (1), a planar tube set fixing support (2), a base connecting support (3) and a base (4); the at least two planar spiral fin tube sets (1) are formed by integrally bending and twisting one spiral fin tube with a multi-layer space structure; each planar spiral fin tube set (1) is formed by integrally bending the coplanar spiral fin tubes with an S-shaped multi-layer space structure; a twisted included angle between every two planar spiral fin tube sets (1) is 10°-180°. The twisted-layer structure coordinates with a multi-layer honeycomb structure and air holes on the spiral fins (11) to allow air flow to be easily formed into turbulent flow when the condenser is operating, and reverse flow is formed in an air flow direction and a refrigerant flowing direction, accelerating heat dissipation. In addition, twisted layer manufacturing has a low level of difficulty and a low rejection rate, improving production ...

Grain sieving mechanism

... 本实用新型公开了一种粮食筛选装置，包括有支架，在支架上固定有框体，框体的前侧面开口，且框体底面设有向外延伸的出粮板，在框体的内部分别固定有上下平行的上粗筛板和下细筛板，在框体的外部与上粗筛板齐平的设有杂质出口一，在框体的底板的下方设有条形杂质出口二，所述的条形杂质出口二位于下细筛板前边正下方，在框体的底板上正对条形杂质出口二处开有条形开口，条形开口通过翻板封口，所述的翻板中间固定有转轴，所述的转轴的两端穿过框体侧壁，将翻板向上翻时，翻板上边与下细筛板的前边缘接触。本实用新型结构简单，设计合理，可根据需要，用翻板来控制粮食的净度，使用操作方便，过筛效果好。 ...

Method, system and equipment for accurately positioning personnel residence

The invention discloses a method, a system and equipment for accurately positioning a residence of a person. The method comprises the following steps: acquiring a plurality of face images when the person to be recognized swipes a card at an entrance of an access control; inputting the face image into the trained deep neural network model, and generating face key point features of the to-be-recognized person; the deep neural network model is trained by using a sample face image with a face feature tag and a view angle interval tag; and comparing the face key point features with the face image features of the registered personnel, and if the similarity between the face key point features and the face image features of the registered personnel is smaller than a preset value, obtaining building room information associated with the access control card held by the to-be-identified personnel, thereby realizing accurate residence positioning. The residence transition personnel and the corresponding ...

Method and system for controlling interconnection converter of railway traction network and railway power supply and distribution network

The invention discloses a control method and system for an interconnection converter of a railway traction network and a railway power supply and distribution network, which coordinate and cooperate with phase-locked loop control of a second-order LADRC and current control of the second-order LADRC to achieve the control effects of closed-loop anti-interference and low steady-state error, so that the moment of grid connection starts from an extreme zero state, the transient impact current is effectively inhibited, and the reliability of the system is improved. And even if the grid-connected system is disturbed, the phase of the power supply and distribution network can still be stably locked, the dynamic rapid tracking performance and the steady state tracking precision of the voltage phase are effectively improved, the current impact influence at the grid-connected moment of the interconnection converter is reduced, and the grid-connected flexible input capability of the interconnection ...

Pilot-operated type electromagnetic valve

The utility model relates to an electromagnetic valve, and discloses a pilot-operated type electromagnetic valve which comprises a valve body, a valve cover and a pilot-operated assembly, an air inlet cavity is formed in the valve body, the lower portion of the valve body is fixedly connected with an air inlet pipe and an L-shaped air outlet pipe, the vertical portion of the air outlet pipe is located in the air inlet cavity, and a sealing assembly for blocking the air outlet pipe is arranged in the air inlet cavity. A pressure relief hole with the diameter smaller than that of the air outlet pipe is formed in the valve body and communicated with the air outlet pipe, and a balance cavity is formed in the valve deck. The pilot assembly comprises a pilot head and a movable iron core, and the movable iron core is electrified to move upwards and is in sliding fit with the pilot head. According to the scheme, a new structure is utilized, the diameter of the pressure relief hole is smaller than ...

Photovoltaic module, photovoltaic system and photovoltaic building

The invention discloses a photovoltaic module, a photovoltaic system and a photovoltaic building, relates to the technical field of photovoltaic, and is used for enabling the photovoltaic module to present different appearance effects, enhancing the aesthetic feeling of the building, radiating the photovoltaic module and improving the power generation efficiency of the photovoltaic module. The photovoltaic module comprises a back plate, a battery piece layer, a cover plate and a fluid function layer which are stacked in sequence. The fluid functional layer is provided with a containing cavity, the containing cavity is provided with a fluid inlet and a fluid outlet in a communicating mode, and the containing cavity is used for flowing and replacing fluids with different colors. The photovoltaic system includes at least one storage tank and a photovoltaic module. The plurality of photovoltaic modules are arranged in an array, the storage tanks are respectively used for storing fluids with ...

Prefabricated part steam curing system and steam curing method thereof

The invention discloses a steam curing system for prefabricated parts. The steam curing system comprises a cavity type steel formwork, a steam curing room, a steam boiler, a trolley, a first temperature sensing assembly, a second temperature sensing assembly and a controller. When the environment temperature monitored by the first temperature sensing assembly is larger than a preset value, the steam supply amount in the cavity type steel formwork is correspondingly reduced; when the environment temperature monitored by the second temperature sensing assembly is larger than a second preset value, the steam supply amount in the steam curing room is correspondingly reduced; and when the environment temperature difference monitored by the second temperature sensing assembly in the preset period is larger than a preset difference value, the spraying assembly is controlled to increase the spraying amount. Steam is provided in an energy-saving and environment-friendly mode to conduct steam curing ...

Semiconductor device and manufacturing method thereof

The invention provides a semiconductor device and a manufacturing method thereof, which are applied to the field of semiconductors. The invention provides a method for forming a DSOI device structure on a double-SOI substrate on the basis of the prior art and without adding an additional process, and particularly, the method comprises the following steps: adjusting a step of forming a back gate opening in the prior art to be before a step of forming a gate structure, and then forming a back gate opening in the prior art; and a gate material layer deposited in the process of forming the gate structure is utilized to fill the formed back gate opening at the same time, so that a conductive plug formed through the back gate opening not only contains a conductive material, but also contains a gate material after the subsequent etching step and the conductive plug filling step are carried out, and therefore, after the interlayer dielectric layer is deposited, the back gate opening is filled with ...

VALVE MECHANISM, ENGINE, AND VEHICLE

Disclosed are a valve mechanism, an engine, and a vehicle. The valve mechanism (1000) comprises: a valve (103), a camshaft (101), an intermediate swing arm (106), a lift adjustment mechanism and a roller assembly (112), wherein the intermediate swing arm (106) is located between a cam (102) and the valve (103), and the cam (102) drives the valve (103) to move via the intermediate swing arm (106). The lift adjustment mechanism comprises an eccentric wheel (113). The roller assembly (112) is supported in three places by the cam (102), the eccentric wheel (113) and the intermediate swing roller (115). The lift adjustment mechanism is configured to adjust the amount of lift of the valve (103) in a continuously variable manner. An outer peripheral face of the eccentric wheel (113) includes a lift adjustment section (1131). The lift adjustment section (1131) includes a start point (O) and an end point (B), and a maximum lift point (A) of the lift adjustment section (1131) is located between the ...

Barium sulfate production method with zero discharge of process water

The invention belongs to the technical field of inorganic fine chemical engineering, and particularly relates to a barium sulfate production method with zero discharge of process water. The barium sulfate production method with zero process water emission comprises the following steps: (1) leaching black ash obtained after barite ore calcination, and filtering to obtain a barium sulfide solution; preparing a sodium sulfate solution, filtering, mixing with the barium sulfide solution according to the ratio, and reacting to obtain barium slurry; (2) separating the barium slurry to obtain a sodium sulfide solution and barium sulfate; (3) evaporating and concentrating the sodium sulfide solution, and cooling and flaking to obtain a sodium sulfide product; (4) condensing and recycling steam in the evaporation and concentration process to obtain condensate, and washing barium sulfate after zinc sulfate treatment and filter pressing; and (5) after washing the barium sulfate, carrying out solid-liquid ...

Road image processing method and device, electronic equipment and storage medium

The invention provides a road image processing method and device, electronic equipment and a storage medium. The road image processing method comprises the following steps: acquiring a to-be-labeled road image and a first labeled sample image; establishing a to-be-trained model for lane line marking according to preset marking parameters; based on the first marking sample image, performing model pre-training on the to-be-trained model to obtain a pre-trained lane line marking model; according to a preset annotation proportion, carrying out annotation processing on a part of the to-be-annotated road image to obtain a second annotation sample image; performing model updating on the pre-trained lane line marking model based on the second marking sample image to obtain a standard lane line marking model; and carrying out labeling processing on the road image to be labeled through the standard lane line labeling model to obtain a labeling result. According to the road image processing method ...

Tank container

The invention provides a tank container. The tank container comprises a tank body and a heating structure arranged at the bottom of the tank body. The heating structure comprises a plurality of heating jackets which are arranged at intervals along the longitudinal direction of the tank body; each heating jacket extends in the circumferential direction of the tank body so as to cover the tank body, each heating jacket comprises two plates which are oppositely overlapped and welded together, and the two plates are subjected to double-sided expansion through pressure so as to form a hollow interlayer; a connection line into which a heating medium flows; and the connecting pipeline extends along the longitudinal direction of the tank body and is respectively connected and communicated with the interlayer of each heating jacket. Compared with a traditional heating pipe, the length of the plate is large, the plate is not limited by the width, and therefore the heating area can be easily increased ...

Fuel cell cogeneration system energy management device based on double engines

The invention provides a fuel cell cogeneration system energy management device based on double engines. The fuel cell cogeneration system energy management device comprises a main controller, a first fuel cell engine, a second fuel cell engine, a first controller, a second controller, a first DCDC circuit and a second DCDC circuit. The main controller is electrically connected with the first DCDC circuit and the second DCDC circuit. The main controller is electrically connected with the first controller and the second controller. The first controller is electrically connected with the first fuel cell engine, and the second controller is electrically connected with the second fuel cell engine. The first fuel cell engine is controlled through the first controller, the second fuel cell engine is controlled through the second controller, and the first controller and the second controller are cooperatively controlled through the main controller, so that the two fuel cell engines are cooperatively ...

MANIPULATOR FOR UNMANNED AERIAL VEHICLE

A manipulator for an unmanned aerial vehicle. The unmanned aerial vehicle (600) comprises a battery (620) detachably arranged in a battery compartment (610); the manipulator comprises a base (100), a mechanical arm (200), a clamping mechanism (300) and a replacement mechanism (400); the mechanical arm (200) is pivotally connected to the base (100), and the mechanical arm (200) is rotatable relative to the base (100) to change the attitude of the unmanned aerial vehicle (600) from a first state to a second state; the clamping mechanism (300) is connected to the mechanical arm (200) to clamp the unmanned aerial vehicle (600); the replacement mechanism (400) is used to disengage the battery (620) from or place the battery (620) in the battery compartment (610), and the replacement mechanism (400) comprises a support arm (410) and a clamping portion (420); the support arm (410) is connected to the mechanical arm (200); and the clamping portion (420) is arranged on the support arm (410) to clamp ...

Hole structure forming method

The invention provides a hole structure forming method, which comprises the following steps of: irradiating a device to be processed by using a laser beam so as to form a first modified line which completely penetrates through or partially penetrates through the device to be processed from a first side of the device to be processed and a plurality of second modified lines which partially penetrate through the device to be processed from the first side in the device to be processed, the multiple second modification lines are distributed in the first side surface along a first preset track and surround the first modification line, the depth of the first modification line is larger than that of the second modification lines, and the to-be-machined device is placed in corrosive liquid to be subjected to corrosion machining, the corrosion speed of the corrosive liquid to the first modification line and the second modification line is greater than the corrosion speed of the corrosive liquid to ...

Monitoring management system of intelligent bridge crane

The invention discloses a monitoring management system for an intelligent bridge crane, and the system comprises a data collection module which is used for collecting data and transmitting the collected data to a data processing module, and the data processing module is used for analyzing and calculating the transmitted data and transmitting the calculated data to a data terminal module and an alarm module. The invention relates to the technical field of monitoring management of intelligent bridge cranes, in particular to an intelligent bridge crane water tank internal water level monitoring device, which solves the technical problem that the internal water level of an intelligent bridge crane water tank cannot be monitored in real time. Different data are collected and recorded through the temperature monitoring unit, the pressure monitoring unit and the water level monitoring unit, the data are processed, and finally the overall situation is directly reflected through the alarm module ...

Multi-channel programmable power supply analysis system

The invention relates to a multi-channel programmable power supply analysis system, which comprises a PXI case, a multi-channel power supply board card, a PXI communication board card, a display and controller module, a power supply module and an integrated case, the PXI case provides PXI interfaces for the multi-channel power supply board cards and the PXI communication board cards, and the PXI communication board card and the multi-channel power supply board cards are arranged in the PXI case; the display and controller module provides a human-computer interaction interface, sends an externally input instruction to the multi-channel power supply board card through the PXI communication board card, and further controls various states, parameters and actions of the multi-channel power supply board card; the power supply module supplies power to the display and controller module and the PXI case; the PXI case, the display and controller module and the power supply module are all arranged ...

CYCLOPROPENE- AND BENZOFURAN-SUBSTITUTED AZAARYL COMPOUND, AND INTERMEDIATE, PREPARATION METHOD AND APPLICATION THEREOF

A cyclopropene- and benzofuran-substituted azaaryl compound, and an intermediate, preparation method and application thereof. Provided are a method for preparing such a compound, a composition containing such a compound, and a use of such a compound in the preparation of a drug for treating a disease or disorder related to an EED-protein- and/or PRC2-protein-complex action mechanism.

AUXILIARY PREPARATION DEVICE FOR AGRICULTURAL LIQUID, AND LIQUID FILLING BASE STATION

Disclosed in the embodiments of the present application are an auxiliary preparation device for an agricultural liquid, and a liquid filling base station. The auxiliary preparation device for an agricultural liquid comprises a stirring mechanism and a filling mechanism, wherein the stirring mechanism comprises a first container, a shielding cover and a stirrer; the first container is provided with a pesticide filling opening, a liquid filling hole and a liquid output hole, the liquid filling hole being arranged above the liquid output hole; the shielding cover is movably arranged on the first container and can shield the pesticide filling opening; the stirrer comprises a stirring member arranged in the first container and a first driving unit for driving the stirring member to move; and the filling mechanism comprises a first water pump, a connecting pipe and a filling nozzle, with a liquid intake end of the first water pump being in communication with the first container via the liquid ...

Method for removing human serum albumin glycosylated protein

The invention discloses a method for removing human serum albumin glycosylated protein, liquid chromatography using high-load boric acid as a filler is used, a purification method is a flow-through mode, a mobile phase is selected from PB + NaCl and PBS, and the linear velocity is less than or equal to 360 cm/h, the method not only can solve the problem of glycosylation removal of industrially produced human serum albumin, but also can be used for purifying the human serum albumin glycosylated protein. And the method has the advantages of easiness in amplification, low cost, short period, high yield, good purity, low production risk, simple process path, capability of realizing large-scale treatment, low requirement on professional ability of product developers and the like.

Medical image remote synchronous display and interaction method based on MQ message queue

The invention relates to the technical field of medical image remote real-time synchronization, in particular to a medical image remote synchronous display and interaction method based on an MQ message queue, which realizes two-way communication of clients by using message queue middleware, not only multiplexes the message queue middleware constructed by a PACS system, but also improves the communication efficiency of the clients. According to the method, the message queue middleware can quickly transmit data of large image operation and state after serialization without additionally building a message forwarding service, the data are asynchronous and low in time delay, and the purpose of real-time synchronization is basically achieved.

VALVE MECHANISM, ENGINE, AND VEHICLE

Disclosed is a valve mechanism (1000), comprising a valve (103), a camshaft (101), a fixed bracket (108), an intermediate swing arm (106), and a supporting base (107), wherein the fixing bracket (108) is provided with a connecting portion through-hole (204) penetrating through same vertically, and two oil passages (205) are formed in a connecting portion (201). Each oil passage (205) is connected to the connecting portion through-hole (204) and a corresponding intermediate swing arm shaft hole (203). A supporting base first oil feeding passage (303) and a supporting base second oil feeding passage (304) are formed in the supporting base (107). The supporting base first oil feeding passage (303) is in communication with the connecting portion through-hole (204), and the upper end of the supporting base second oil feeding passage (304) extends to a camshaft supporting portion (302) of a base body of the supporting base (107). Further disclosed are an engine and a vehicle. During actual use ...

FLASH STORAGE STRUCTURE AND MANUFACTURING METHOD THEREFOR

A flash storage structure and a manufacturing method therefor. The method comprises: depositing a polysilicon layer on a substrate structure (S110); forming, using the polysilicon layer, a floating gate and a field oxide structure covering the floating gate (S120); forming a protective side wall at the corner of the bottom of the floating gate (S130); forming a tunneling oxide layer on the field oxide structure and the floating gate (S140); and forming a control gate on the tunneling oxide layer (S150).

DEPRESSION REGION TREATMENT METHOD FOR SHALLOW TRENCH ISOLATION STRUCTURE, AND SEMICONDUCTOR DEVICE

A depression region treatment method for a shallow trench isolation structure, and a semiconductor device. The method comprises: providing a wafer having a shallow trench isolation structure formed on a substrate, wherein a depression region is formed at the junction of the upper surface of the shallow trench isolation structure and an active region; depositing silicon oxide on the surface of the wafer, and fully filling the depression region with silicon oxide; dry etching the deposited silicon oxide, and controlling the etch depth to not only expose the surface of the active region of the substrate, but also retain as much as possible the silicon oxide with which the depression region is filled; and performing thermal oxidation on the surface of the active region to grow a gate oxide layer.

LIMIT DETECTION SYSTEM FOR RAILWAY VEHICLE

A limit detection system for a railway vehicle. The limit detection system comprises: a cross beam (101); stand columns (102) connected to two ends of the cross beam (101) through adjusting blocks; inclined struts (103) connected to the stand columns (102) and the cross beam (101) and used for supporting the stand columns (102) and the cross beam (101); electric cylinders (104) arranged on the stand columns (102) and the cross beam (101), a telescopic guide rod (105) being provided on a guide rail of each of the electric cylinders (104); a connecting plate (106) fixed to one end of each of the telescopic guide rods (105), one end of each of the connecting plates (106) being provided with a structured light (107), and the other end thereof being provided with an industrial camera (108); and a PC connected to a controller of each of the electric cylinders. The industrial cameras (108) detect the contour of a railway vehicle, so as to obtain three-dimensional information about an image of ...

Back contact solar cell

... 本实用新型涉及一种背接触式太阳能电池。其包括N型硅片主体，N型硅片主体具有相对的受光面和背光面，背光面上设置有第一发射区和P+发射区，第一发射区为N发射区和N发射区，第一发射区与P发射区交替排布；N发射区远离N型硅片主体的一侧设置有N型金属，N型金属的另一侧设置有N型区焊接电极，N型金属分别与N发射区、N型区焊接电极为点接触；P发射区远离N型硅片主体的一侧设置有P型金属，P型金属上设置有P型区焊接电极；P型金属远离N型硅片主体的一侧端部设置有绝缘介质，绝缘介质隔离P发射区与N型区焊接电极。由于N型金属分别与N发射区、N型区焊接电极为点接触，能够降低N型金属浆料的消耗，从而降低成本。 ...

MOV suitable for turn-off converter

The invention provides a metal oxide varistor (MOV) suitable for a turn-off converter, the MOV comprises a metal oxide varistor (MOV) body and a protection device which are connected in series, the MOV body is used for realizing overvoltage protection and turn-off energy absorption of a turn-off device in the turn-off converter; and the protection device is used for realizing over-energy protection on the MOV body. According to the invention, reasonable parameter design is carried out on the MOV body and the protection device connected in series, so that overvoltage protection on the turn-off device and over-energy protection on the MOV body can be realized at the same time.

CONTROL METHOD AND SYSTEM FOR CONTINUOUSLY VARIABLE VALVE LIFT MECHANISM, AND VEHICLE

Disclosed is a control method for a continuously variable valve lift mechanism, the method comprising: controlling the continuously variable valve lift mechanism (100), so that same enters a limp home mode when the continuously variable valve lift mechanism (100) fails and causes the failure of an automatic valve lift changing function; driving the continuously variable valve lift mechanism (100) to force same to move to a maximum lift position; and triggering a self-locking function to self-lock the continuously variable valve lift mechanism (100) at the maximum lift position when the continuously variable valve lift mechanism (100) reaches the maximum lift position. Further disclosed are a control system for a continuously variable valve lift mechanism, a vehicle, a device, and a non-volatile computer storage medium. The control method for the continuously variable valve lift mechanism can ensure smooth starting and traveling of the vehicle when the continuously variable valve lift mechanism ...

User interface generation method and device, electronic equipment and storage medium

The embodiment of the invention provides a user interface generation method and device, electronic equipment and a storage medium, and the user interface generation method comprises the steps that a to-be-processed target front-end page is determined; the target front-end page comprises a pre-written markup language tag set; the markup language tag set is used for reflecting element attributes of a plurality of interface elements in the to-be-generated user interface and a hierarchical relationship between the element attributes; generating an element attribute tree corresponding to the target front-end page according to the markup language tag set; the element attribute tree comprises a plurality of nodes distributed according to a tree structure, and each node corresponds to one element attribute in the markup language tag set; according to the element attribute tree, generating a corresponding format code and filling the format code into a target front-end page; and according to the ...

Automatic assembling device for energy-saving illuminating lamp

The invention relates to an energy-saving illuminating lamp automatic assembling device which comprises a rack and further comprises a bearing mechanism and a plurality of sets of fixing mechanisms arranged in the circumferential direction of the bearing mechanism and used for fixing a lamp base. A lamp base blanking station, a lamp support assembling station, a transparent lamp cup assembling station, a lamp middle ring blanking station, a lamp upper ring assembling station and a discharging station are sequentially arranged in the transmission direction of the bearing mechanism. By arranging the fixing mechanism, the lamp support assembling mechanism, the support loading assembly, the first screwing assembly and the like, the positions of the base and other parts can be guaranteed in the mounting process, so that the situation that manual angle adjustment is carried out is replaced, and the problem of screw fixing work is conveniently and rapidly solved; and in addition, in the pre-assembling ...

Circulating water purification breeding device and circulating water purification method thereof

The invention relates to a circulating water purification culture device and a circulating water purification method thereof, and belongs to the technical field of commercial fish culture. The purification device comprises a breeding unit and a purification unit; the breeding unit is communicated with the purification unit through a water inlet communication pipe so as to purify circulating water of the breeding unit, and the purification unit is sequentially communicated with a buffer pool A, an ozone sterilizer, an ultraviolet sterilizer, a buffer pool B and the breeding pond through a water return pipe by a spraying water tank. Solid-liquid separation of residual feed and fish excrement in the culture circulating water is achieved through a vertical rotary filter sieve of the purification unit, and the problem that ammonia nitrogen, nitrite nitrogen and nitrate nitrogen are generated through degradation of existing residual feed and fish excrement, and consequently dissolved oxygen in ...

Impermeable concrete and preparation method thereof

The invention provides impervious concrete. The impervious concrete is prepared from the following raw materials in parts by weight: 280 to 300 parts of cement, 1000 to 1050 parts of coarse aggregate, 40 to 50 parts of fly ash, 30 to 38 parts of expanding agent, 5.6 to 7.5 parts of water reducing agent, 20 to 26 parts of composite fiber and 160 to 180 parts of water, the composite fibers comprise lignin fibers, basalt fibers and epoxy group modified polypropylene fibers; the expanding agent is a slow-release expanding agent; the slow-release expanding agent is composed of a core layer and a coating layer, the core layer is composed of an expanding agent and a melamine/graphene oxide/sepiolite compound, and the coating layer is composed of guar gum and boric acid. The concrete disclosed by the invention has good usability, durability and impermeability, can meet the requirements of different application scenes, and solves the problem that the existing concrete is poor in durability and impermeability ...

Alarm device and method for preventing collision of tower crane

The invention relates to the technical field of tower crane collision prevention, and discloses a tower crane collision prevention alarm device and method.The tower crane collision prevention alarm device comprises a base, a voice alarm, a buzzer alarm and a remote control end, a mounting base is fixedly connected to the upper surface of the base, and laser radar ranging equipment is fixedly mounted on the upper surface of the mounting base; a control box is arranged in the mounting seat, the control box comprises a data receiving module, a data processing module, a single chip microcomputer, a 5G module, an alarm module and a WIFI module, the laser radar ranging device, the data receiving module, the data processing module, the single chip microcomputer, the 5G module, the alarm module and the WIFI module are all electrically connected with the data receiving module, the 5G module is connected with the WIFI module, and the WIFI module is connected with the data receiving module. The output ...

Vehicle active anti-shake method, anti-shake system, storage medium and vehicle

The invention relates to a vehicle active anti-shake method, an anti-shake system, a storage medium and a vehicle, and the vehicle active anti-shake method comprises the following steps: carrying out band-pass filtering on a collected motor rotation speed signal to obtain a rotation speed shake component; calculating the compensation torque of the motor according to the rotating speed jitter component; and outputting a motor control torque in combination with the required torque and the compensation torque. Because the jitter component of the motor rotating speed is obtained through band-pass filtering of the motor rotating speed signal, the compensation torque of the vehicle can be directly calculated according to the jitter component. Compared with a previous anti-shake method, a complex calculation model does not need to be established to calculate the ideal rotating speed of the motor, and the anti-shake method is simplified. And the compensation torque is calculated according to the ...

Design method of novel low-temperature liquid hydrogen storage tank

The invention relates to a design method of a novel low-temperature liquid hydrogen storage tank, and belongs to the technical field of liquid hydrogen storage. The design method of the novel low-temperature liquid hydrogen storage tank comprises the steps that strength design of the storage tank is completed, and the thickness of wall plates, top plates and bottom plates of an inner tank and an outer tank is calculated; the cold insulation design of the storage tank is completed, the evaporation rate of the storage tank is calculated by calculating the heat transfer amount of a top plate, wall plates and a bottom plate of the storage tank, and related parameters of the liquid nitrogen cold shield are adjusted according to the requirement for the evaporation rate of the storage tank. Aiming at the large vertical low-temperature liquid hydrogen storage tank which adopts a liquid nitrogen cold screen structure and adopts dome design for the first time, the strength design and cold insulation ...

VIRTUAL ANTENNA MAPPING METHOD AND DEVICE

Disclosed is a virtual antenna mapping method, comprising: setting N phase shift factors, N being an integer greater than 0; respectively using the N phase shift factors to generate N PSD weights, wherein different PSD weights of the N PSD weights comprise different phase shift factors; when data needs to be sent to a user equipment, mapping the data which needs to be sent to a user side onto a physical antenna using the N PSD weights in turn, and sending the mapped data to the user equipment through the physical antenna. Correspondingly, also disclosed is a network device. The embodiments of the present invention can reduce the influence of null on the user equipment.

Multi-stage water purification equipment

The invention relates to the technical field of water purification equipment, and discloses multi-stage water purification equipment which comprises an outer frame, a main pipeline is mounted on the right side in the outer frame, and a purification assembly for performing multi-stage filtration on water is arranged in the outer frame and located on the surface of the main pipeline. The purification assembly comprises a first shell, a second shell and a third shell which are sequentially stacked in the outer frame, a plurality of sets of fastening mechanisms used for fixing the first shell, the second shell and the third shell are arranged on the surface of the main pipeline, and a cleaning mechanism is arranged on the left side of the first shell and the left side of the second shell. The multi-stage water purification equipment solves the problems that in the pre-filtering and secondary filtering process, a filtering assembly needs to be cleaned regularly, filter elements in two working ...

Solar cell for passivating perovskite body defects based on 1, 3-DTu and preparation method thereof

The invention discloses a solar cell based on 1, 3-DTu passivated perovskite body defects and a preparation method thereof, and the main steps are as follows: cleaning an ITO substrate; the SnO2-KCl solution is arranged on the ITO glass in a spin coating mode; the ITO/SnO2-KCl is coated with an Al2O3 solution in a spin coating mode; the preparation method comprises the following steps: spin-coating a perovskite precursor solution added with 1, 3-DTu with a certain concentration on ITO/SnO2-KCl/Al2O3; carrying out spin coating on the ITO/SnO2-KCl/Al2O3/perovskite by using the PEAI; and spin-coating the Spiro-OMeTAD solution on the ITO/SnO2-KCl/Al2O3/perovskite/PEAI, and carrying out vacuum evaporation on an Au electrode. A C = S functional group in the 1, 3-Dtu can form strong interaction with lead in the perovskite, so that passivation of perovskite body defects is realized, and the photoelectric conversion efficiency and the stability of the cell are improved.

UNMANNED AERIAL VEHICLE FRAME ASSEMBLY, AND UNMANNED AERIAL VEHICLE

Disclosed are an unmanned aerial vehicle and a frame assembly thereof. The frame assembly of the unmanned aerial vehicle comprises a central frame, a first arm (10) and a second arm (20), wherein the first arm (10) is provided with a first cooperation portion (11), and the second arm (20) is provided with a second cooperation portion (21); the first arm (10) and the second arm (20) rotate relative to a support member (30), and the support member (30) is static in relation to the central frame; a locking member (40) is rotatably arranged on the support member (30); and a drive device (50) is used for driving the locking member (40) to rotate towards the first cooperation portion (11) and the second cooperation portion (21). When the first arm (10) rotates relative to the second arm (20) in a direction where the included angle therebetween increases until the first arm is in an unfolded state, the first cooperation portion (11) and the second cooperation portion (21) rotate to a pre-set locking ...

MANUFACTURING METHOD FOR FLASH DEVICE

A manufacturing method for a flash device. A manufacturing method for a flash device, comprising: providing a substrate (110); forming sequentially, on the substrate (110), a floating gate (FG) oxide layer (120), an FG polycrystalline layer (130), and an FG mask layer (140); etching, at the FG location region, the FG polycrystalline layer (130) and the FG mask layer (140), forming a window (141) on the FG mask layer (140), and forming a groove (131) on the FG polycrystalline layer (130), the window (141) being communicated with the groove (131); performing secondary etching of the side wall of the window (141) of the FG mask layer (140), enabling the width of the groove (131) located on the FG polycrystalline layer (130) to be less than the width of the secondarily-etched window (141) located on the FG mask layer (140); and oxidizing the FG polycrystalline layer (130), enabling the oxide to fill the groove (131) to form a field oxide layer (150); and etching an FG having sharp angles (θ1 ...

Injection molding method of fiber structural part with soft touch surface layer

The invention provides an injection molding method of a fiber structural member with a soft contact surface layer, which comprises the following steps: heating a fiber structural member main body to a preset temperature, and then transferring and positioning the fiber structural member main body in a first movable mold; the mold is closed, and the first movable mold and the first fixed mold are matched to press the mold into the needed thickness and shape; filling a sizing material into the injection mold to form a back injection molding layer; the mold is opened, and the first movable mold and the fiber structural part body on the first movable mold rotate to the second fixed mold; the mold is closed, and a front soft contact surface layer is formed; mold opening is conducted, mold opening foaming is achieved on the soft contact surface layer on the front face of the fiber structural part body, and the thickness of the soft contact surface layer is increased; and when the soft contact ...

Fuel cell atomization tail discharge device and tail discharge system

A fuel cell atomization tail discharging device is connected to a tail discharging pipeline behind a silencer and comprises a box body, a tail discharging pipeline, a water inlet pipeline, a water outlet pipeline, a tail discharging pipeline and a tail discharging pipeline, the water collection cavity is used for containing liquid discharged by the tail discharge pipeline, a fan and an atomizer are arranged in the water collection cavity, and a mist discharge port is formed in the top of the water collection cavity; a controller is arranged in the electrical cavity and connected with the fan and the atomizer through cables. The fans are arranged on the top wall and the side wall of the water collection cavity through mounting plates. A liquid level sensor and a sterilizer are arranged in the water collecting cavity, and the liquid level sensor and the sterilizer are connected with a controller. And the controller is also connected with the fuel cell engine controller ECU. The device is ...

Rear floor cross beam and rear wheel bulge connecting structure and automobile

The invention relates to the technical field of automobile bodies in white, in particular to a rear floor beam and rear wheel bulge connecting structure and an automobile, which comprises a rear floor and a rear wheel bulge positioned on the outer side of the rear floor, the rear floor is provided with a rear floor beam, and one end of a connecting piece is connected with the rear floor beam. The connecting piece comprises a connecting piece body, a first groove is formed in the connecting piece body, and the table top of the first groove is flush with the connecting piece body. The rear wheel bulge is provided with a first boss matched with the first groove, and the surface, close to the first groove, of the first boss is welded to the surface, close to the first boss, of the first groove. The first groove of the connecting piece serves as a reinforcing piece, the first groove is further connected with the first boss of the rear wheel bulge, the connecting relation is optimized, the production ...

VIBRATION REDUCTION MECHANISM AND UNMANNED AERIAL VEHICLE

Disclosed are a vibration reduction mechanism and an unmanned aerial vehicle (10) using the vibration reduction mechanism. The vibration reduction mechanism is installed on the unmanned aerial vehicle, the unmanned aerial vehicle comprises a fuselage (6), and the vibration reduction mechanism comprises connecting columns (3) penetrating through the fuselage (6), and first vibration reduction structures (2) arranged at upper and lower ends of the connecting columns, wherein the connecting columns (3) are removably connected to the fuselage (6), and the first vibration reduction structures (2) are connected to a mounting structure (5) for carrying mounted devices so as to realize vibration reduction for the mounted devices. The vibration reduction mechanism can effectively realize, by means of the first vibration reduction structures arranged at the upper and lower ends of the connecting columns, a vibration reduction effect for the mounted devices, has a simple structure, and is convenient ...

Rear combination lamp mounting structure and automobile

The invention relates to a rear combination lamp installation structure and an automobile, the rear combination lamp installation structure comprises a side wall outer plate and an installation support assembly welded on the side wall outer plate, the installation support assembly is used for installing a rear combination lamp, and the installation support assembly comprises a first installation support and a second installation support connected with the first installation support; an auxiliary positioning hole and a main positioning hole are formed in the first mounting bracket, the auxiliary positioning hole is used for positioning the rear combination lamp in the height direction of the automobile, the main positioning hole is used for positioning the rear combination lamp, and the main positioning hole is further used for positioning when the first mounting bracket is connected with the second mounting bracket and positioning when the first mounting bracket is welded with the side ...

Magnetic steel insertion device for permanent magnet motor

The invention relates to the technical field of permanent magnet motors, in particular to a magnetic steel insertion device for a permanent magnet motor, which comprises a loading rack and an operation rack arranged on the side edge of the loading rack, the operation rack comprises a lifting rack, a lifting carrier mounted above the lifting rack, and an adsorption part mounted on the lifting carrier; the operation rack further comprises an insertion rack, an insertion piece installed on the insertion rack in a sliding mode, and a reset piece driving the insertion piece to do return stroke motion. A pushing piece is further installed on the lifting carrying piece, a driven piece matched with the pushing piece is arranged on the inserting machine frame, and the pushing piece pushes the driven piece to move so as to drive the inserting piece to move. A contact induction piece is arranged between the pushing piece and the driven piece and is in electric signal connection with the pneumatic ...

Welding and fixing tool for heating pipe and wiring terminal of electric heater

The invention provides an electric heater heating tube and wiring terminal welding and fixing tool, and belongs to the technical field of welding and fixing tools, the electric heater heating tube and wiring terminal welding and fixing tool comprises a plurality of placing units, and each placing unit comprises a primary limiting part and a secondary limiting part. According to the welding and fixing tool for the heating pipes and the wiring terminals of the electric heater, the heating pipes are placed according to the set installation and fixing distribution state, then butt joint of the installation plate and the heating pipes is completed at a time, and then the heating pipes and the wiring terminals on the heating pipes are welded and fixed to the installation plate; the efficiency of welding and fixing the tool, the butt joint precision of the heating pipe and the mounting plate and the welding effect are effectively improved, through cooperation of a primary limiting part and a secondary ...

POWER SYSTEM OF HYBRID ELECTRIC VEHICLE AND POWER TRANSMISSION METHOD THEREFOR

A power system of a hybrid electric vehicle and a power transmission method therefor. The system comprises: an engine (10), a speed shift (30), a clutch (40), a power switch apparatus (90), a transmission mechanism (80), a power output shaft (50) and a motor (20). The power switch apparatus (90) is a synchronizer or clutch, for switching the motor torque between the transmission mechanism (80) and the power output shaft (50). When a vehicle is in a state where it is stationary and the engine is started, the vehicle is in a power generating state where it is stopped, or the vehicle is in a power generating state where it creeps, the motor (20) is connected to the transmission mechanism (80) and the powers of the engine (10) and the motor (20) are mutually coupled, achieving quick engine starting, quick power generation where the vehicle is stopped and quick power generation where the vehicle creeps; in the state of gear shift of the speed shift (30), the motor (20) is connected to the power ...

Phosphate rock in a method for enriching rare-earth separation

... 本发明公开了种磷矿中稀土分离富集的方法，包括将磷矿与硫酸混合进行反应，并在反应过程中添加表面活性剂，反应结束后，过滤得到稀土浸出液和磷石膏；进步采用有机酸对磷石膏进行浸出，反应结束后，过滤得到稀土浸出液和浸出渣。稀土得到分离富集后，从粗磷酸和磷石膏浸出液中回收稀土，可结合萃取法、沉淀法、结晶法、离子交换法中的种或多种方法。本发明实现了磷酸中稀土富集的同时回收了部分磷石膏中损失的稀土，且该方法具有成本低、适应性强、工艺简单、操作方便，可与湿法磷酸生产相结合等优点。 ...

Mechanism-driven machine tool feed shaft time-varying thermal error model online evolution method

A mechanism-driven machine tool feed shaft time-varying thermal error model online evolution method comprises the following steps: establishing a mechanism-driven machine tool feed shaft time-varying thermal error model based on friction heat generation, heat conduction and convection heat dissipation mechanisms; the key intermediate dependent variable is determined as the lead screw temperature according to the principle of online direct measurement and approach to the final dependent variable; according to the consistency of a model calculation value and an online measurement value of an intermediate dependent variable, the accuracy of a mechanism driving model is actively identified, if the consistency is poor, the accuracy of the model is poor, and if the consistency is good, the accuracy of the model is good; according to the active identification result of the model accuracy, if the model accuracy is poor, online updating of model parameters is carried out, and if the model accuracy ...

UNMANNED AERIAL VEHICLE FRAME ASSEMBLY, AND UNMANNED AERIAL VEHICLE

Disclosed are an unmanned aerial vehicle and a frame assembly thereof. The frame assembly comprises a central frame, a first arm (10), a second arm (20), a synchronization device (30), a locking device (40) and a mounting base (50), wherein the first arm (10) and the second arm (20) rotate relative to the mounting base (50), and the mounting base (50) is static in relation to the central frame; the synchronization device (30) is arranged between the first arm (10) and the second arm (20), and the synchronization device (30) comprises a plurality of transmission members rotatable relative to each other, the plurality of transmission members rotating to enable the first arm (10) and the second arm (20) to synchronously rotate; the locking device (40) is used for locking at least one transmission member with a protruding portion (31) provided thereon, and the locking device (40) comprises an elastic abutting component (41); the elastic abutting component (41) abuts against the protruding portion ...

Anti-seismic support mechanism and assembly type underground structure

The anti-seismic support mechanism comprises a supporting part provided with a first groove and a top beam part arranged above the supporting part, the side, close to the supporting part, of the top beam part is provided with a first connecting face, a connecting part is arranged on the first connecting face, and the end, away from the top beam part, of the connecting part is arranged in the first groove; when the magnitude of an earthquake is smaller than or equal to a first preset threshold value, the connecting part can absorb vibration energy generated by the earthquake, and when the magnitude of the earthquake is larger than or equal to a second preset threshold value, the connecting part is broken, and the vibration energy transmitted to the connecting part by the earthquake is released. According to the invention, targeted constraint adjustment on the end part of the supporting part is realized at different earthquake levels, the response accuracy of earthquake at different earthquake ...

Parallel arrangement double-motor double-intermediate-shaft four-gear pure electric transmission assembly

The invention provides a four-gear pure electric transmission assembly with double motors and double intermediate shafts arranged in parallel. The four-gear pure electric transmission assembly comprises a first motor, a second motor, a second intermediate shaft, an output shaft and a first intermediate shaft. The rear end of the first motor is sequentially in power connection with a first input shaft, a first primary speed reduction driving gear, a first primary speed reduction driven gear, a first secondary speed reduction shaft, a first secondary speed reduction driving gear and a first secondary speed reduction driven gear; the rear end of the second motor is sequentially connected with a second input shaft, a second first-stage speed reduction driving gear, a second first-stage speed reduction driven gear, a second second-stage speed reduction shaft, a second second-stage speed reduction driving gear and a second second-stage speed reduction driven gear. A first fourth-gear driving ...

Refreshable braille display device

The invention discloses a refreshable braille display device, which belongs to the technical field of blind person education and comprises a base, a module body, a base and a mounting groove. The module body is internally provided with six independent cavities, and the six cavities are uniformly distributed in the module body in an arrangement form of two transverse cavities and three longitudinal cavities; a top cover is arranged on one side, far away from the base, of the module body, and a through hole corresponding to the cavity is formed in the top cover; an executing mechanism is arranged in the cavity; a supporting seat corresponding to the cavity is arranged on the base; and a permanent magnet is arranged in the supporting seat. According to the braille display module, the six independent cavities are formed in the module body, the executing mechanisms are arranged in the cavities, the magnetism of the executing mechanisms is changed, then the executing mechanisms jump on the step-shaped ...

METHOD, APPARATUS AND SYSTEM FOR TESTING WHETHER SUBFRAME CONFIGURATION CAN BE CHANGED

A method, apparatus and system for testing whether the subframe configuration can be changed are disclosed in the present invention. The present invention relates to the field of telecommunication and is used to improve the data throughput as far as possible in the case that the interference of a present cell can be tolerated by an adjacent cell. The method includes that: an evolved Node Base (eNB) selects the second subframe configuration according to the variation of the data volume used by the uplink service and downlink service, and sets a test subframe or test symbol; the eNB transmits the first test data to a User Equipment (UE) on the test subframe or test symbol and the UE measures the interference, or the UE transmits the second test data to the eNB on the test subframe or test symbol and the eNB measures the interference, and finally it can be realized that the eNB changes the subframe configuration of the uplink service and downlink service to the second subframe configuration ...

Single-variable-pitch coaxial counter-rotating propeller for unmanned aerial vehicle

The invention belongs to the technical field of aviation technologies, and particularly discloses a single-variable-pitch coaxial counter-rotating propeller for an unmanned aerial vehicle, a structural support comprises a base column, a bottom plate, a supporting column, a top plate, a bearing seat and bolts, the base column is fixedly mounted on the bottom plate through the bolts, a motor is arranged at the bottom of the bottom plate, and the motor and the bearing seat are fixedly mounted on the bottom plate through the bolts; a top plate is arranged at the top of the bottom plate, supporting columns are arranged between the bottom plate and the top plate, the two ends of each supporting column are fixedly connected with the bottom plate and the top plate respectively, a steering engine and a guide rail plate are arranged at the top of the top plate, and the top plate is fixedly installed with the steering engine and the guide rail plate through screws; a simple gear set is used for driving ...

Primer group and kit for PCR (Polymerase Chain Reaction) detection of mycobacterium paratuberculosis and application of primer group and kit

The invention provides a primer group and a kit for PCR detection of mycobacterium paratuberculosis and application of the primer group and the kit, and belongs to the technical field of molecular biological detection. The primer group comprises an upstream primer and a downstream primer, the nucleotide sequence of the upstream primer is as shown in SEQ ID NO. 1, and the nucleotide sequence of the downstream primer is as shown in SEQ ID NO. 2. The PCR detection method for the mycobacterium paratuberculosis can be established by utilizing the primer group, and compared with a common serum detection method, the method is high in sensitivity and more accurate.

POWER ASSEMBLY SYSTEM OF MOBILE GENERATOR CAR

A power assembly system of a mobile generator car, comprising a driving engine (1) and a transmission mechanism for transferring power of the driving engine (1) to wheels (2). A power output end of the driving engine (1) is connected to an electric generator (3); a power output end of the electric generator (3) is connected to the transmission mechanism; an ECU module (4) for controlling a rotational speed of the driving engine (1) is further comprised. The electric generator (3) is integrated to a power system of the driving engine (1) of the mobile generator car, so that driving and electricity generation can be implemented by just one power system.

Remote read-write device and read-write method for line loss rate

A line loss rate remote read-write device and a read-write method are characterized in that a transition terminal is configured between a first terminal and a second terminal, the transition terminal receives a remote read-write signal transmitted by the first terminal or the second terminal, the remote read-write signal comprises a read-write message, and the transition terminal transmits the read-write message to the first terminal or the second terminal according to a first channel between the first terminal and the second terminal and a second channel between the first terminal and the second terminal. And performing channel rotation processing on the read-write message, so that the terminal I and the terminal II can use the read-write message to achieve remote read-write. Therefore, through the transition terminal, the background computer can be quickly read and written by using the read-write message in the remote read-write signal under the condition that the background storage manager ...

Cladosporidium subuliforme wz-1 as well as culture method and application of Cladosporidium subuliforme wz-1

The invention relates to a strain of Cladosporidium subuliforme wz-1 as well as a culture method and application thereof, in particular to a strain of Cladosporidium subuliforme wz-1 as well as a culture method and application thereof in prevention and treatment of diaphorina citri. The Cladosporidium subliflomew z-1 disclosed by the invention is separated from diaphorina citri bombyx batryticatus which naturally dies in the field, and is preserved in Guangdong Microbial Culture Collection Center on March 17, 2022, the preservation address is the 5th floor, No. 59 building, No. 100 courtyard, Xianlie Middle Road, Guangzhou, and the preservation number is GDMCC No.62319. The invention also discloses a preparation method of the Cladosporidium subliflomew z-1, and the application of the Cladosporidium subliflomew z-1. The Cladosporidium subuliforme wz-1 can be cultured through a PDA culture medium, spores generated by the Cladosporidium subuliforme wz-1 can be used for preventing and treating ...

Temperature control and rolling control method for high-speed bar production line

The invention belongs to the technical field of steel production, and particularly relates to a high-speed bar production line temperature control and rolling control method which is based on the design of double-high-bar 4 + 2 modular rolling mills, three water tanks are arranged between four racks and two racks, a rolled piece can be tempered and heated through the scattered modular rolling mills, an intelligent water cooling temperature control system is developed independently, and the production efficiency is improved. Temperature control rolling and graded controlled cooling processes are provided, low Si and Mn alloy production of the hot-rolled steel bars is achieved, and high-precision water cooling temperature control and accurate head and tail non-cold section control are achieved; the temperature control rolling and graded controlled cooling process is provided for the first time, high-precision water cooling temperature control and accurate head and tail non-cold section control ...

Rotary type refreshable braille display fingerstall device

The invention discloses a rotary refreshable braille display fingerstall device, which belongs to the field of visually impaired people education and medical rehabilitation equipment, and comprises a shell, a belt transmission mechanism, a braille display module, a driving module, an electric brush and a bottom plate, the belt type transmission mechanism is a rotary transmission mechanism and comprises a fixing plate, a synchronous wheel, a synchronous belt, a flexible belt, a bearing, a servo motor, a connecting piece and a motor fixing frame. The belt type transmission mechanism is controlled by the driving module, is powered by an electric brush and can drive the braille display module mounted on the surface of the belt type transmission mechanism to rotate; according to the device, a servo motor is used for driving a belt type transmission mechanism to transmit a Braille display module which is configured to be in a protruding state to the position below the finger pulp of a blind person ...

UNMANNED AERIAL VEHICLE FRAME ASSEMBLY, AND UNMANNED AERIAL VEHICLE

Disclosed are an unmanned aerial vehicle frame assembly, and an unmanned aerial vehicle. The frame assembly comprises a central frame, a first arm (10) and a second arm (20), wherein a synchronization device (30) enables the first arm (10) and the second arm (20) to be capable of synchronously rotating; a first end of a locking device (40) is rotatably connected to the first arm (10), and the locking device (40) has a locking portion (41); and a first end of a cooperation device (50) is rotatably connected to the second arm (20), a second end of the cooperation device (50) is rotatably connected to a second end of the locking device (40), and the cooperation device (50) has a cooperation portion (51). When the first arm (10) rotates towards the second arm (20) in a direction where the included angle therebetween decreases, the locking portion (41) is separated from the cooperation portion (51), so that the first arm (10) and the second arm (20) are folded; and when the first arm (10) rotates ...

PREMIX COMPOUND FOR MILKFISH AS WELL AS PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Disclosed are a premix compound for milkfish as well as a preparation method therefor and an application thereof. The premix compound for the milkfish comprises macleaya cordata and composite plant essential oil. The preparation method comprises: superfine grinding and mixing; and adding into a milkfish fodder according to the weight percentage of 1-2% in application. The fodder palatability is good. Better prevention and treatment effects can be achieved. The death rate in the juvenile fish period can be obviously reduced.

Dynamic modeling method and modeling device for high-altitude wind power generation device

The embodiment of the invention relates to the technical field of wind power generation, in particular to a dynamic modeling method and device for a high-altitude wind power generation device. The method comprises the following steps: on the basis of a finite segment method, performing rope segment division on a main cable of the aerial umbrella ladder system to obtain a plurality of nodes so as to establish a multi-rigid-body system model of the aerial umbrella ladder system; based on the multi-rigid-body system model, establishing a kinematical equation of the aerial umbrella ladder system to obtain a motion state of each node in the aerial umbrella ladder system; determining the stress condition of each node in the air umbrella ladder system based on an empirical formula of aerodynamics and the motion state of each node in the air umbrella ladder system; and determining a dynamic model of the aerial umbrella ladder system based on a Kane method and the stress condition of each node in ...

SERVICE IMPLEMENTATION METHOD AND APPARATUS FOR PROGRAMMABLE DEVICE, AND COMMUNICATION TERMINAL

A service implementation method for a programmable device, comprising: classifying, as configurable circuits, the common circuits of the implementation circuits of a plurality of to-be-implemented services, the processing procedures of which have a similarity greater than a threshold, and classifying the remaining circuits, other than the common circuits of the implementation circuits, as reconfiguration circuits; allocating to the reconfiguration circuits reconfiguration regions of programmable devices, and allocating to the configurable circuits static regions of programmable devices corresponding to the reconfiguration regions; and writing bitstream files of the reconfiguration circuits into the reconfiguration regions, and writing configuration parameters of the configurable circuits into the static regions.

A drive mechanism shell for grain sieve separator

... 本实用新型公开了一种用于粮食筛选机的传动机构外壳，包括有框型支架和外壳体，将外壳体固定在框型支架的内部，在外壳体的正前面分别开有左右开口，在左右开口上分别通过螺丝固定有封板，框型支架的正前面的水平板的内侧设有弹性垫板，所述的弹性垫板与外壳体的正前面紧密接触，水平板的左端与框型支架铰接，水平板的右端与框型支架通过螺栓连接。本实用新型在外壳体上开有开口，当传动机构出现故障时，打开水平板右端螺栓，将水平板推开，卸掉封板上的螺丝，卸掉封板，就可进行传动机构的检查与维修，方便操作，水平板内侧的弹性垫板起到保护外壳体的作用，防止水平板推进时碰撞壳体，使用寿命长。 ...

Microorganism suspension enrichment device

The invention discloses a microorganism suspension enrichment device which comprises a pipe set, a gas inlet set connected to the pipe set and an enrichment set connected to the pipe set, the gas inlet set conveys gas into the pipe set, and the pipe set conveys the gas to the enrichment set; the pipe group comprises a plurality of air inlet branch pipes, and each air inlet branch pipe is provided with a plurality of diffusion holes; the enrichment group comprises a plurality of porous suspension balls arranged on the gas inlet branch pipes, and cavities are formed in the porous suspension balls and are communicated with the diffusion holes, so that gas enters the cavities; and a porous vegetation bolt is arranged in the cavity. According to the invention, in-situ treatment of river water quality is realized through equipment simplification and simplified control, in-situ nitrogen and phosphorus removal of a water body is realized through efficient removal of phosphorus by using biological ...