Mixed matrix forward osmosis membrane based on metal organic framework MIL-88A (Fe) and preparation method thereof

The invention discloses a mixed matrix forward osmosis membrane based on MIL-88A (Fe) and a preparation method thereof, and belongs to the technical field of membrane separation. The preparation method comprises the following steps: respectively adding 63.0%-87.8% (w/w) of an organic solvent, 2.0%-10.0% (w/w) of a pore-foaming agent and 2.0%-10.0% (w/w) of an additive into a three-neck round-bottom flask according to a certain sequence, and uniformly stirring at normal temperature; adding 0.2%-1.0% (w/w) of MIL-88A (Fe), and uniformly dispersing the MIL-88A (Fe); then, 8.0%-16.0% (w/w) of cellulose diacetate or cellulose triacetate is added into a three-opening round-bottom flask, stirring and dissolving are carried out for 8-16 hours at the temperature of 30-70 DEG C till complete dissolution, standing and defoaming are carried out for 20-24 hours, and a membrane casting solution is prepared; and pouring the mixture on a supporting layer, and scraping with a scraper to prepare the mixed ...

包装袋（片状氢氧化钠）

Vital capacity training device

The invention provides a vital capacity training device, and relates to the technical field of medical instruments. The air passing part is arranged in the fixing part; the air blowing part is arranged outside the fixing part; the display part is arranged at the top of the air passing part; the gap plate is fixed to the inner wall of the mounting cylinder, so that the gap plate is conveniently matched with the air blocking cylinder to block entering air, the needed air blowing force and the amount of pushed air are conveniently increased, and then the vital capacity is conveniently exercised, a rubber plate is arranged on the air blocking cylinder, the air blocking cylinder is clamped in the gap plate in the rotating process, and therefore the air blocking cylinder is prevented from rotating. According to the vital capacity training device, backflow of exhaled gas is blocked, exhaled gas is prevented from leaking after backflow, the content of carbon dioxide around the device is reduced ...

Bending-resistant sole and processing technology thereof

The invention discloses a bending-resistant shoe sole which comprises a shoe sole composite structure, a transverse springback supporting structure is arranged in the shoe sole composite structure in the horizontal direction of a shoe body, and longitudinal auxiliary supporting structures which are vertically arranged in a penetrating mode are arranged on the transverse springback supporting structure at equal intervals. In the sole, the integrated carbon plate sequentially comprising the heel rear plate, the middle plate and the sole front plate in the horizontal direction from the heel to the sole is adopted as a transverse springback supporting structure, supporting springback is carried out in the sole moving and bending process, the bending-resistant and anti-deformation effects are improved, and the service life of the sole is prolonged. A longitudinal auxiliary supporting structure composed of a supporting rod, a limiting plate, a through hole, a threaded section and a rubber filling ...

Instruction scheduling method and related equipment

The embodiment of the invention discloses an instruction scheduling method and related equipment. The method can be applied to a compiler. The method comprises the steps of obtaining a first instruction sequence, wherein the first instruction sequence comprises K instructions; n dependencies are included among the K instructions; k and N are integers greater than 1; screening M dependencies with data transmission from the N dependencies, and determining respective first emission moments of the K instructions in a first starting interval based on the M dependencies; m is an integer greater than or equal to 1 and less than N; and arranging the K instructions according to the respective first emission moments of the K instructions to generate a second instruction sequence. By adopting the embodiment of the invention, the instruction scheduling performance of the compiler can be improved.

Circuit device of injection mold with single -side inlet and outlet cooling water

... 本实用新型提供种注塑模具单侧进出冷却水的回路装置，包括：冷却腔、注塑模具，冷却腔、注塑模具安装在底座上，冷却腔侧设有进水管，注塑模具包括上模、下模，上模内设有上模散热弯管，下模内设有下模散热弯管，上模散热弯管端通过进水快接管连接于过渡水管、另端通过插接公接头安装在下模散热弯管上，下模散热弯管端通过插接母接头安装在上模散热弯管上、另端通过出水快接管连接于冷却腔，冷却腔与出水快接管之间设有水泵,所述冷却腔的两端分别设有支撑架，支撑架上设有至少根位于冷却腔上方的散热水管。本实用新型散热效果十分显著，冷却水循环利用，降低了生产成本，提高了相关生产设备的使用寿命。 ...

Radio frequency fingerprint identification method based on second-order pooling convolutional neural network

The invention discloses a radio frequency fingerprint identification method based on a second-order pooling convolutional neural network. The radio frequency fingerprint identification method comprises the following steps: 1, slicing a radio frequency IQ signal; 2, constructing a convolutional neural network; 3, inputting the ith slice sample into the convolutional neural network to obtain an ith slice feature map f (Xi); and step 4, performing second-order pooling fusion feature processing on the slice feature map to obtain a feature vector. The method is simple in steps and reasonable in design, the obtained feature vector has feature information with higher order and strong representation capability through the convolutional neural network and second-order pooling fusion feature processing, and the radio frequency fingerprint identification accuracy is effectively improved.

OPTICAL SYSTEM AND METHOD FOR ADJUSTING DIOPTER

An optical system and a method for adjusting diopter using the optical system. The optical system comprises: an eyepiece (10), a semi-transparent and semi-reflective lens (20), a display screen (30), a first stepper motor (40) connected to the display screen (30), an image sensor (50), and an image analysis system (60). The image analysis system (60) is connected to the display screen (30), the first stepper motor (40), and the image sensor (50). The eyepiece (10), the semi-transparent and semi-reflective lens (20), and the display screen (30) are configured sequentially along a first optical axis (70). The semi-transparent and semi-reflective lens (20) and the image sensor (50) are configured sequentially along a second optical axis (80). The first stepper motor (40) can control the display screen (30) to move back and forth along the first optical axis (70). Light emitted from the display screen (30) enters the eyes by means of the semi-transparent and semi-reflective lens (20) and the ...

Heating pipe way bushing type compensator

... 种供暖管路套管式补偿器，属于供暖管路设备技术领域，用于解决高温暖气管在温度变化时的伸缩膨胀问题。其技术方案是：本实用新型采用连接套管连接在两侧的暖气管之间，连接套管端与侧的暖气管固定连接，连接套管另端与另侧的暖气管为可伸缩的活动连接，连接采用压紧螺母结构，并通过密封压套、盘根和密封圈进行密封。本实用新型的技术解决方案科学合理、构造简单实用，能有效地解决高温暖气管在温度变化时的伸缩膨胀问题，它可作为暖气管路连接装置安装于管路之间，也可安装于暖气管穿墙部位，以防止暖气管膨胀对墙体造成损坏。本实用新型大大降低了暖气管的损坏率，延长了暖气管路的使用寿命，具有明显的经济效益和社会效益。 ...

Fixed shaft type coaxial output multi-gear heavy load power gear shifting gearbox

The invention discloses a fixed shaft type coaxial output multi-gear heavy load power shifting gearbox which comprises a box body, the box body is provided with an input shaft and an output shaft, the input shaft and the output shaft are coaxially arranged, power is transmitted through the input shaft, a plurality of clutches and a plurality of gears, the input shaft is connected with an input flange, and the output shaft is connected with an output shaft. The input flange is used for transmitting power to the input shaft and outputting the power to the output shaft, a first input shaft bearing and a second input shaft bearing are installed on the input shaft, inner rings of the first input shaft bearing and the second input shaft bearing are fixedly connected with the input shaft, and outer rings of the first input shaft bearing and the second input shaft bearing are installed on the box body. The input shaft and the output shaft output coaxially, compared with a traditional planetary ...

Early warning grading pushing method

The invention relates to an early warning grading pushing method. The method comprises the following steps: after early warning is generated, pushing the early warning to a primary user; the primary user checks and disposes the early warning on site; and if the early warning is not processed completely and is eliminated within a period of time, automatically pushing the early warning to a higher-level user. The early warning information grading pushing method has the advantages of intelligently supervising and reminding the enterprise, supporting the configuration of grading pushing rules, and reminding the enterprise to dispose closed-loop early warning at regular time.

HEAD-MOUNTED ELECTRONIC DEVICE

A head-mounted electronic device (10), comprising an eyepiece (100) and a display screen (200), and comprising a first lens (102), a second lens (104), and a third lens (106) arranged sequentially along the eyepiece (100) in the direction from the image side to the object side. At least one of the first lens (102), the second lens (104), and the third lens (106) can move back and forth along the optical axis (107) of the eyepiece (100) in order to zoom the eyepiece (100), and the display screen (200) is arranged on the object side of the third lens (106).

PREPARATION METHOD FOR SELF-SUPPORTING THIN FILM OF GRAPHENE-ENHANCED THREE-DIMENSIONAL POROUS CARBON

Disclosed is a preparation method for a self-supporting thin film of graphene-enhanced three-dimensional porous carbon, comprising: formulating sodium carbonate, urea and glucose into an aqueous solution; evenly coating the resulting solution onto the rough surface of an electrolytic copper foil; drying same to obtain a precursor; introducing a protecting gas into a hearth and raising the furnace temperature to 550ºC-800ºC; placing the precursor prepared in this way into the hearth, and maintaining the temperature for 0.5-5 minutes; then moving the calcined product to a low temperature zone, and cooling the product to room temperature under the protection of argon gas; preparing a corrosive iron chloride hydrochloric acid solution; placing the calcined product prepared in this way into the corrosive solution at room temperature, and removing the salt template and copper foil to obtain a thin film-like sample; and cleaning same to remove the corrosive solution component and then drying, ...

Method for separating and recycling rare earth and iron in neodymium iron boron waste

The invention discloses a method for separating and recovering rare earth and iron in neodymium-iron-boron waste, which belongs to the technical field of waste reutilization and comprises the following steps: crushing the neodymium-iron-boron waste, performing acid leaching with a phosphoric acid solution, and performing solid-liquid separation to obtain rare earth precipitate and leachate; adding iron powder into the leachate to reduce copper ions in the leachate, and carrying out solid-liquid separation to obtain copper-removed slag and a first solution; adding or introducing an oxidizing agent into the first solution to completely oxidize ferrous iron to obtain a precursor solution, adding an additive into the precursor solution, and after the reaction is finished, carrying out solid-liquid separation to obtain an iron phosphate precipitate and a second solution; the method comprises the steps that neodymium iron boron waste is smashed and subjected to acid leaching through a phosphoric ...

Cutter management method and device, electronic equipment and computer readable storage medium

The invention provides a tool management method and device, electronic equipment and a computer readable storage medium. The method comprises the steps that first working information of a tool in a machine table and second working information of a clamping position in the machine table are obtained; detecting whether the first working information and the second working information both meet preset tool changing requirements or not, and if the first working information and the second working information both meet the preset tool changing requirements, generating tool changing information of a target tool; detecting whether the tool changing information is matched with machine information or not, and if the tool changing information is matched with the machine information, sending to-be-detected information for detecting the quality of the target tool; and if the received to-be-inspected information is qualified, tool changing completion information is generated. Whether tool changing is ...

Visual field analysis method, system, medium and equipment for driver in front of vehicle

The invention discloses a visual field analysis method, system, medium and equipment for a driver in the front row of a vehicle. The method comprises the following steps: acquiring visual field analysis data of the vehicle; according to the vehicle visual field analysis data, on the basis of OPTIS optical analysis software, vehicle cab optical simulation analysis is carried out; constructing a vehicle cab virtual reality simulation platform based on virtual reality simulation software according to the vehicle visual field analysis data; importing the vehicle cab optical simulation analysis result into a vehicle cab virtual reality simulation platform to obtain a driver view evaluation result; the problems that view development of a traditional automobile product cannot completely simulate various scenes of daily driving, and view analysis of a driver is not fine and visual enough can be solved.

Unmanned aerial vehicle ISAC channel estimation method under beam jitter effect

The invention discloses an unmanned aerial vehicle ISAC channel estimation method under a beam jitter effect. The method comprises the following steps: step 1, acquiring a measured value of a state of an unmanned aerial vehicle at a tth moment by adopting an inertial navigation system INS; step 2, predicting and estimating the measured value of the state of the unmanned aerial vehicle at the t-th moment by using an unscented Kalman filtering algorithm by using a computer to obtain a state estimated value of the state of the unmanned aerial vehicle at the t-th moment; and step 3, inputting a state estimation value of the state of the unmanned aerial vehicle at the tth moment by adopting a computer, and establishing a channel model with a jitter effect between the pth antenna of the unmanned aerial vehicle and the qth antenna of the ground terminal. The method is simple in step, the estimation value of the unmanned aerial vehicle is obtained through the unscented Kalman filtering algorithm ...

Bovine-derived A-type pasteurella multocida attenuated strain as well as preparation method and application thereof

The invention provides a bovine-derived A-type pasteurella multocida attenuated strain as well as a preparation method and application thereof, and belongs to the technical field of biological products. The bovine-derived A-type pasteurella multocida attenuated strain PmCQ2 delta 889-894 provided by the invention is obtained by deleting six continuous genes 889, 890, 891, 892, 893 and 894 in a parent bovine-derived A-type pasteurella multocida PmCQ2 genome, so that the colonial morphology of the obtained mutant strain is reduced, the capsule content is reduced, and the pathogenicity to Kunming mice is obviously weakened; the strain has a good immune protection effect on A type and B type pasteurella multocida, also has a certain protection effect on F type pasteurella multocida strains, and the mutation can be stably inherited and can be well used for preventing and treating pasteurella multocida infection.

Hyperspectral anomaly detection method based on spatial-spectral feature fusion

The invention discloses a hyperspectral anomaly detection method based on spatial-spectral feature fusion. The hyperspectral anomaly detection method comprises the following steps: step 1, carrying out principal component analysis on a hyperspectral image to obtain a principal component image; step 2, carrying out morphological closed operation on the principal component image by adopting a computer and utilizing a plurality of structural elements to obtain a closed operation feature map; step 3, using a computer to perform morphological opening operation on the principal component image by using a plurality of structural elements to obtain an opening operation feature map; 4, fusing the closed operation feature map, the principal component image and the open operation feature map to obtain a feature matrix based on spatial-spectral feature fusion; and step 5, performing abnormal score calculation on the feature matrix based on the spatial-spectral feature fusion by using a Reed-Xiaolii ...

Pressurizing medicine sprayer

The invention provides a pressurized medicine sprayer, and relates to the technical field of medical instruments, the pressurized medicine sprayer comprises a supply structure and a connecting mechanism, the inside of the supply structure is movably connected with a linkage mechanism, the inside of the supply structure is fixedly connected with a reciprocating structure, and the reciprocating structure is fixedly connected with a control mechanism; the control mechanism is movably connected with the linkage mechanism, and the bottom of the supply structure is movably connected with a discharging mechanism. The connecting mechanism is movably connected to the discharging mechanism, a limiting structure is fixedly connected to the interior of the connecting mechanism, the limiting structure is movably connected with one end of the discharging mechanism at the same time, a telescopic structure is movably connected to one side of the connecting mechanism, the telescopic structure is attached ...

NEW CRYSTALLINE FORM OF CEFAMANDOLE SODIUM COMPOUND, FORMULATION AND PREPARATION METHOD THEREOF

A new crystal form of cefamandole sodium compound and preparation method thereof, the method comprising: adding cefamandole sodium solid to an organic solvent to prepare a 0.04-0.3 g/ml suspension, stirring and suspending for a period of time at 40-50˚C, and then cooling at a certain cooling rate to 5-15˚C and stirring for a period of time, and conducting suction filtration on the obtained suspension to acquire a filter cake, and drying wet crystal product of cefamandole sodium to a constant weight. The appearance of the crystal form is in coarse rod.

5G intelligent helmet

A 5G intelligent helmet disclosed by the present invention comprises a helmet shell, a helmet lining and a lower jaw belt, the helmet shell is provided with a battery module, an extension module, a host module and an AR glasses module, the host module is provided with a plurality of interfaces, and one side of the host module facing the AR glasses module is provided with a gesture sensor, an illuminating lamp, a laser and a camera. A microphone is arranged on one side of the host module, and a loudspeaker is arranged on the other side of the host module. The safety helmet has the advantages that the safety helmet is intelligently worn on the basis of the front end, real-time transmission to the background management system is achieved through 5G communication by means of the background monitoring system, and the background management system has the functions of dangerous area hierarchical management and control, electronic fence, track monitoring, grouping management and the like; the problem ...

Preparation device of silage

The invention discloses a silage preparation device, and belongs to the field of feed processing, the silage preparation device comprises a discharge pipe, one side of the discharge pipe is provided with a temporary storage part with an open lower end, the edge of the lower end of the temporary storage part is movably provided with a limiting plate, and the temporary storage part is provided with a sealing driving mechanism used for pushing a sealing cover; a roller is arranged on one side of the temporary storage part, and the clamping mechanism pulls the sealing film on the roller to pass through the lower portion of the temporary storage part. After sealing is completed, the tool apron moves in the width direction of the sealing film, and a cutting knife for cutting off the sealing film is arranged on the tool apron; and a transfer mechanism is arranged on the discharging side of the discharging pipe and moves between the discharging pipe and the temporary storage part. The invention ...

Filter element ultrasonic automatic cleaning machine and cleaning process

The invention relates to the field of filter element ultrasonic cleaning equipment, in particular to a filter element ultrasonic automatic cleaning machine and a cleaning process, and solves the problems that when a cylindrical filter element is directly put into the ultrasonic cleaning equipment during cleaning, the filter element is not fixed or inclined, the filter element and the inner wall of the equipment as well as a vibrating rod and the adjacent filter element are collided, large noise is generated, and the cleaning effect is poor. The invention relates to a filter element cleaning machine, in particular to a filter element cleaning machine which solves the problems that a filter element is damaged or the filter element is damaged, and the filter element cleaning effect and efficiency are poor due to the fact that the distribution positions of a vibration rod and the filter element are unreasonable. The filter element cleaning machine comprises a cleaning machine shell, a detachable ...

Electric vehicle battery fire extinguishing system based on high-pressure water jet cutting

The invention discloses an electric vehicle battery fire extinguishing system based on high-pressure water jet cutting. The electric vehicle battery fire extinguishing system comprises a fire extinguishing management background, a plurality of front-end detection devices located in a detection area and a plurality of fire rescue robots provided with high-pressure water jet cutting devices and control modules. When a fire disaster occurs, the position of the electric vehicle and the position information of the battery can be quickly positioned, the fire rescue robot is controlled to carry the high-pressure water jet cutting device to go forward, and the high-pressure water jet cutting device directly and quickly cuts and breaks down the power battery part of the electric vehicle; energy of an electric vehicle battery is quickly released by utilizing conductivity of high-pressure water jet, water and other fire extinguishing agents with large specific heat capacity enter a power battery pack ...

EYEPIECE AND HEAD-MOUNTED ELECTRONIC DEVICE

An eyepiece (10) and a head-mounted electronic device (100), wherein the eyepiece (10) comprises, successively from an image side to an object side, a first lens (11) having a positive refractive power, a second lens (13) having a negative refractive power, a third lens (15) having a positive refractive power, a fourth lens (17) having a positive refractive power and a fifth lens (19) having a negative refractive power. The eyepiece (10) satisfies the following relational expressions: 0.7 Подробнее

Multi-stage stepped garbage treatment and waste gas purification equipment

The invention relates to the field of waste gas treatment, and discloses multi-stage stepped garbage treatment and waste gas purification equipment which comprises a compression device and a purification device, the compression device comprises a compression chamber, the compression chamber comprises a front chamber and a rear chamber, a compression mechanism is arranged in the rear chamber, and the purification device comprises an extraction unit, a purification unit and a combustion unit. The extraction unit is used for extracting waste gas in the compression chamber and guiding the waste gas to flow into the purification unit, the purification unit is used for conducting adsorption and purification treatment on the waste gas in a multi-stage adsorption mode, the waste gas obtained after adsorption and purification treatment flows towards the combustion unit, and the combustion unit is used for conducting combustion and purification treatment on the waste gas. The purification unit gives ...

Battery forcible entry auxiliary positioning system for electric vehicle fire

The invention discloses a battery forcible entry auxiliary positioning system for electric vehicle fire disasters, which comprises an auxiliary positioning background, a plurality of front-end detection devices located in a detection area, and a plurality of fire stations located in the detection area, and is characterized in that each fire station is internally provided with an information receiving device; the front-end detection device is used for collecting positioning information, license plate number and field information of the position where the front-end detection device is located when a fire occurs to the electric vehicle in a detection area, and uploading the positioning information, the license plate number and the field information to the auxiliary positioning background. And the auxiliary positioning background is used for receiving the license plate number, the field information and the positioning information, uploaded by the front-end acquisition equipment, of the electric ...

Rapid, green and good-universality polyphenol coating modification method, product and application thereof

The invention discloses a rapid, green and good-universality polyphenol coating modification method, a product and application thereof. Washing the hydrophobic material with ethanol for multiple times and then pre-wetting; immersing the pre-wetted hydrophobic material into a silane coupling agent containing polyphenols and amino groups and deionized water to carry out super-hydrophilic modification; and taking out the modified membrane, and thoroughly washing with deionized water. The prepared polyphenol coating modified super-hydrophilic membrane has a layered nanosphere structure and can be applied to purification of oily wastewater. The method provided by the invention is carried out in a pure water system, does not contain any toxic additive and oxidant, can realize super-hydrophilic modification of various polymer hydrophobic membranes only in 40 minutes, and greatly improves the modification efficiency. The modified PP film prepared by the method has ultrahigh pure water flux and ...

Pipeline filter and filter element forming equipment thereof

The invention relates to the technical field of pipeline filtration, and discloses a pipeline filter and filter element forming equipment thereof. A filter element filling opening is formed in the top of the filter element placing barrel, an end cover is fixedly connected to the top of the filter element placing barrel through a bolt, the end cover can seal the top of the filter element placing barrel, a liquid inlet and a liquid outlet are formed in the two sides of the filter element placing barrel respectively, the positions of the liquid inlet and the liquid outlet are the same in height, and an inclined panel is arranged in the filter element placing barrel. And a filter element for filtering liquid is placed on the inclined panel. The filter element of the pipeline filter comprises the inner filter element and the outer filter element, compared with a traditional filter element structure, the inner filter element and the outer filter element are used at the same time, the filtering ...

Invasive pipeline control appearance

... 本实用新型公开一种侵入性管道监控仪，包括插管、识别器、智能终端以及信息处理中心，所述插管上设置有电子标识，所述识别器与智能终端连接，所述智能终端与信息处理中心连接。本实用新型旨在提供一种能有效监控患者插管有效期的侵入性管道监控仪，该监测系统结构简单，方便实用。 ...

Air-conditioning floor heating temperature controller

The utility model relates to the technical field of air conditioner floor heating temperature controllers, in particular to an air conditioner floor heating temperature controller which comprises a bottom plate, a control box, a wire holder and a wire pressing assembly, the control box is fixedly connected to the middle of the back face of the bottom plate, the wire holder is fixedly connected to the middle of the side face of the control box, and a wiring hole is formed in the side face of the wire holder. The wire pressing assembly is embedded in the top of the interior of the wire holder, the wire pressing assembly comprises a circular tube, a movable plate, a pull rod, a thrust spring, a pressing rod and a pressing plate, the circular tube is embedded in the top of the interior of the wire holder, and the movable plate is slidably connected to the interior of the circular tube. According to the utility model, the thrust spring has a certain pushing force on the movable plate, so that ...

Dead animal pretreatment device for animal husbandry

The invention discloses a dead animal pretreatment device for animal husbandry, and relates to the field of animal carcass pretreatment devices. Comprising a crushing box and a high-temperature box, a supporting plate is rotationally connected into the crushing box, the supporting plate is provided with a conveying plate, a supporting rod abuts against the joint of the supporting plate and the conveying plate, and a first spring is connected between the supporting rod and the inner wall of the crushing box; the driving gear is meshed with a driven gear, the driven gear is provided with a crushing shaft, the crushing shaft is provided with a crushing cutter, the driving gear is meshed with two racks, the two racks are symmetrically arranged about the center of the rotating shaft, the racks are connected with cutters, the racks are connected with sliding grooves through bolts, a rotating handle is slidably connected into the sliding grooves, and the rotating handle is provided with a motor ...

Track plate fine adjustment system based on final feedback detection and operation method

The invention discloses a track plate fine adjustment system based on final feedback detection and an operation method.The fine adjustment system comprises a track plate, fine adjustment claws are arranged on the two sides of the track plate, each fine adjustment claw comprises a first shell, a second shell and a third shell, and a first screw, a first sliding block and a first connecting column are arranged on the first shell; the second shell is provided with a second screw, a second sliding block and a second connecting column, the third shell is provided with a third screw, a third sliding block and a third connecting column, one side of the third sliding block is fixedly connected with a connecting plate, the bottom of the frame is provided with a power wheel, the top of the track plate is provided with a prism, and the frame is provided with a sensor mounting frame. And a laser displacement sensor is mounted on the sensor mounting rack. The device is novel in structure, manual operation ...

Light-weight comfortable compression-resistant sports shoes

The utility model discloses a light-weight comfortable compression-resistant sneaker which comprises a vamp, an insole and a tongue, the bottom of the vamp is fixedly connected with the insole, the bottom of the insole is fixedly connected with a midsole, a first air cavity is embedded in the right side of the midsole, two second air cavities are formed in the left side of the first air cavity, and a fourth air cavity is embedded in the left side of the midsole. The bottom of the insole is fixedly connected with an outsole, the left side and the right side of the bottom of the outsole are both provided with wear-resistant blocks, the middle of the outsole is in a concave shape, the center of the tongue is provided with a tongue fixing block, the left side and the right side of the upper middle portion of the tongue are both provided with fixing holes, and the bottom of the tongue is fixedly connected to the lower middle portion of the vamp. Due to the arrangement of the wear-resistant blocks ...

SRM fault-tolerant power converter

The invention provides an SRM fault-tolerant power converter which comprises at least one main bridge arm, the at least one main bridge arm is formed by connecting a power switch tube and a normally-closed contact relay, the middle point of the at least one main bridge arm is defined as a center node, each center node is connected with one end of a winding and the cathode of a diode, and the other end of the winding is connected with the anode of the diode. The anode of the diode is connected to the other end of the winding, and the upper bridge arm and the lower bridge arm of at least one main bridge arm are symmetrical about the central node; and the auxiliary bridge arm is formed by connecting two power switch tubes and a plurality of normally open contact relays, and the middle point of every two serially connected normally open contact relays is connected with the central node. When a fault occurs in the switch tube, the fault type of the switch tube does not need to be judged by the ...

Computer image acquisition equipment

A computer image acquisition device comprises a camera, a motor reducing mechanism, a power supply module, an infrared emission module, a lighting lamp, a receiving positioning module, a dimming circuit and a rotary power supply device. The lower end of the motor reducing mechanism is mounted on the support frame, the rotary power supply equipment is mounted outside the lower end of a power output shaft of the motor reducing mechanism, the upper end of the power output shaft is mounted at the lower end of the camera, and the infrared emission module is mounted at the side end of the camera; the power supply module and the dimming circuit are installed in the element box and are electrically connected. When an illegal person enters the detection range of the receiving and positioning module, the motor speed reducing mechanism drives the camera to rotate towards the area, when the camera rotates in place, the camera is not driven to rotate any more, the camera can be aligned with the related ...

Folding telescopic overhead cable snake and mouse preventing device

The invention discloses a folding telescopic type overhead cable snake and mouse preventing device which comprises two sets of cable clamp assemblies, each cable clamp assembly comprises a cable clamp jacket, a semicircular block, a fixing bolt and a fixing nut, each semicircular block is provided with a semicircular groove, an annular containing groove and an installation opening, and folding assemblies are installed between the corresponding installation openings in the upper side and the lower side. Each folding assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, the end, away from the fourth connecting rod, of the third connecting rod is rotationally connected with a first pull rod, the second connecting rod is rotationally connected with a second pull rod parallel to the third connecting rod, and rat-proof assemblies are arranged on the third connecting rod and the fourth connecting rod. In order to enable the device ...

Impeller of gas compressor

The invention discloses a compressor impeller which comprises a hub, a plurality of long blades and splitter blades are arranged on the hub, the long blades and the splitter blades are distributed on the hub at intervals, dense-tooth comb-shaped flow channels are distributed on the hub between the long blades and the splitter blades, each splitter blade comprises an air inlet edge, and each air inlet edge is provided with an air outlet. A plurality of arc-shaped flow channels are densely distributed on the edge of the air inlet side; the special splitter blades are in a curved swept front edge blade shape, so that the shock wave strength of the front edges of the blades can be effectively reduced, the internal flow of the impeller is improved, the generation of secondary flow is inhibited, the airflow uniformity of a low-speed area is improved through the dense-tooth comb-shaped flow channels and the arc-shaped flow channels which are specially arranged on the impeller, the surge margin ...

Filter for chemistry

... 本实用新型涉及种化学用过滤器，包括定位龙骨、防护壳、负离子发生装置、光化学杀菌装置、活性炭过滤层、干燥剂层及静电吸附网，防护壳为空心管状结构，两端位置均设连接法兰，定位龙骨包括定位杆及连接筋，负离子发生装置、光化学杀菌装置、活性炭过滤层、干燥剂层及静电吸附网分别嵌于相互独立的防护壳内，干燥剂层、光化学杀菌装置、活性炭过滤层及负离子发生装置、按照从前至后的顺序嵌于静电吸附网所在防护壳之间的各防护壳内。本新型可极大的提高了过滤器的使用灵活性、可靠性和运行联系性，与此同时，还可有效且全面的对空气中的化学污染物、粉尘污染物、微生物污染物等严重影响人体监控或设备运行的污染物进行过滤并净化处理。 ...

Regulation and control characteristic analysis method applied to large-scale new energy base

The invention discloses a regulation and control characteristic analysis method applied to a large-scale new energy base. The analysis method specifically comprises the following steps: establishing a field station inertia and frequency modulation and voltage regulation capability model driven by data and mechanism model fusion; providing an on-line monitoring and evaluation means for the polymerization regulation and control capability of the new energy power station; carrying out security operation constrained station regulation and control capability key influence factor analysis; the specific regulation and control characteristic analysis method is applied to the actual large new energy base, and by performing specific regulation and control characteristic analysis on the electric energy of the new energy base, the steady-state scheduling and frequency supporting capabilities of the large new energy base are improved, and meanwhile, the problem caused by large-scale new energy grid ...

Low -pressure injection mould of lithium battery

... 本实用新型提供种锂电池低压注塑模具，包括定模、压紧装置，所述定模上设有盲孔，盲孔内设有冷却装置，定模内设有凹槽，所述压紧装置安装在凹槽内，所述冷却装置内管、水路转接块，所述的内管由管头与插焊在其下部的管子构成，管子插入在盲孔内，水路转接块内设有水路，水路上设有水路堵头；所述压紧装置由限位块、销钉和弹性元件组成，所述限位块固定安装在定模上，限位块上设置有至少个限位孔，所述销钉和弹性元件安装在限位孔内。本实用新型结构简单、安装方便；相对于以往面料框的整体式结构，较少了模具的制造成本，提高模具注塑的稳定性及产品成型的外观质量。 ...

Emergency infectious disease hospital multi-stage dynamic site selection method and system

The invention provides an emergency infectious disease hospital multi-stage dynamic site selection method and system, and relates to the technical field of hospital site selection. The method comprises the following steps: acquiring initial parameters and predicted patient data of an infectious disease hospital; acquiring a preset constraint condition of site selection of the infectious disease hospital, and constructing a multi-stage dynamic site selection model by taking a target function meeting the preset target condition and minimizing the construction cost of the infectious disease hospital as a target function; and solving the multi-stage dynamic site selection model based on the initial parameters and the predicted patient data to obtain infectious disease hospital site selection schemes in different stages. Based on the above processing, predicted patient data are obtained through the LSTM model, LSTM model prediction is combined with the dynamic site selection model, scientific ...

Butterfly wing section internal fistula pjncture needle

... 本实用新型公开了一种蝶翼型内瘘穿刺针，包括针头和穿刺针管，所述针头可拆卸地连接于所述穿刺针管的尾端上；所述穿刺针管轴向截面的两侧分别转动设有相对称的翼片，两个所述翼片还能够相合拢和远离；且两个所述翼片相合拢时，两个所述翼片之间还围成一用以包裹所述针头的容置腔，从而能够有效地避免了医护人员被穿刺针刺伤的现象，提高了医护人员工作的安全性。 ...

Double-layer wear-resistant sole and processing technology thereof

The invention discloses a double-layer wear-resistant sole which comprises a foamed plastic sole plate, and a wear-resistant layer is detachably clamped and attached to the bottom surface of the sole plate. The rubber wear-resistant layer which can be detachably clamped and inserted is designed on the shoe sole plate, a plurality of clamping structures composed of the column strips, the positioning strips and the clamping strips are integrally designed on the upper surface of the rubber wear-resistant layer, the clamping structures are clamped on the bottom surface of the shoe sole plate in a positioning, inserting and clamping mode, and the wear-resistant layer can be rapidly positioned and attached to the bottom surface of the shoe sole plate; a locking structure composed of a threaded sleeve, a first clamping ring, a second clamping ring, a threaded column and a threaded head is designed between the shoe sole plate and the wear-resistant layer, the locking structure utilizes the movable ...

Novel reaction kettle

... 本实用新型涉及种新型反应釜，包括底座、支撑臂、防护外壁、反应腔、震荡装置、加热装置及降温装置，支撑臂两端分别与底座及防护外壁侧表面铰接，加热装置及降温装置安装在底座上，反应腔嵌于防护外壁内，反应腔与防护外壁通过定位架及保温棉连接，反应腔为密闭腔体机构，其顶部设加料口，底部设出料口和排污口，反应腔顶部及侧壁上均设至少个检修人孔，反应腔包括工作内胆、承载外壁及换热腔，震荡装置若干，并环绕反应腔轴线均布在反映腔工作内胆的内表面上。本实用新型方面可极大的提高反应釜设备的使用灵活性。另方面可有效的提高反应釜设备工作效率、故障排除效率。 ...

Intraoperative neural function monitoring system and method

The invention provides an intraoperative neural function monitoring system and method. The system comprises a data model building module, a software function making module, a first data processing module and a second data processing module. The method comprises the following steps: constructing a neural function improvement evaluation data model according to the requirement of neural function data monitoring; according to the function of the neural function improvement evaluation data model, software is divided into modules which are independently named and can be independently accessed, and execution operation of the neural function improvement evaluation data model is achieved; inputting the intraoperative neural function data into a neural function improvement evaluation data model, and processing the intraoperative neural function data to obtain a first processing result; and predicting prognostic neural function data according to the first processing result, inputting the prognostic ...

Natural planar silkworm cocoon mobile phone shell and preparation method thereof

The invention discloses a natural plane silkworm cocoon mobile phone shell and a preparation method thereof. Matured silkworms are placed on the back face of the mobile phone or the back face of the mobile phone shell for spinning, planar silkworm cocoons matched with the mobile phone or the mobile phone shell in shape and size are obtained, then the planar silkworm cocoons are cut according to the position of the reserved hole of the mobile phone, cut waste silk and silkworm chrysalis are removed, and finally the planar silkworm cocoon mobile phone shell is obtained. The method is easy to operate, the prepared planar silkworm cocoon mobile phone shell can be customized, the weight is light, the hand feeling is comfortable, and meanwhile the concept of environmental protection is combined.

Gradient aluminum silicon carbide composite material device as well as preparation method and application thereof

The invention discloses a gradient aluminum silicon carbide composite material device as well as a preparation method and application thereof. The preparation method comprises the following steps: S1, respectively preparing a plurality of gel slurries with different silicon carbide volume contents; s2, pouring the gel slurry into a mold according to the sequence of high, medium and low silicon carbide volume contents, and vibrating the mold; s3, demolding, drying and sintering after curing to obtain a silicon carbide prefabricated part with gradient porosity; s4, the silicon carbide prefabricated part is loaded into a mold for aluminizing, and a gradient aluminum silicon carbide composite material blank is obtained; and S5, the gradient aluminum silicon carbide composite material blank is subjected to finish machining after shelling, and the gradient aluminum silicon carbide composite material device is obtained. According to the gradient aluminum-based silicon carbide composite material ...

Thoracocentesis device

The invention provides a thoracocentesis device, and relates to the field of medical instruments. The puncture mechanism is a puncture device body, and the body is of a cylindrical structure; the moving mechanism is mounted in the puncturing mechanism; a mounting piece on the pressing mechanism is mounted on a supporting piece on the puncturing mechanism; the mounting rod is connected with the mounting piece; the pressing piece is mounted at the bottom of the mounting rod; when the effusion is extracted, the pulling piece is pulled upwards, the pulling piece drives the moving piece to move upwards, wedge-shaped teeth on the moving piece are meshed with a gear on the rotating piece, the gear drives the cam to rotate, and the cam makes contact with the top of the mounting rod and is matched with the reset effect of a spring on the mounting rod, so that the effusion is extracted. When an arc-shaped protrusion arranged at the bottom of the pressing piece makes contact with a puncture part, ...

Humidifying oxygen inhalation device

The invention provides a humidifying and oxygen inhalation device, which relates to the technical field of humidifying and oxygen inhalation, and comprises a liquid storage tank, a humidifying part, an adjusting part and a fixing part, the liquid storage tank is of a square box-shaped structure, and a cover plate is connected to the top of the liquid storage tank in a buckled mode. The top end face and the left end face of the outer wall of the knob are each provided with a clamping groove, each clamping groove is of a semicircular groove-shaped structure, the spring rod is elastically clamped with the corresponding clamping groove above, at the moment, clamping and fixing of the knob can be achieved, and the locking position can be conveniently found in the follow-up process; at present, when switching between a humidifying state and a non-humidifying state needs to be achieved in use, electronic elements need to be driven, and maintenance is difficult after the electronic elements break ...

Solid-liquid separation type municipal waste pretreatment and foul smell blocking device

The invention relates to the field of solid-liquid separation of garbage, and discloses a solid-liquid separation type municipal garbage pretreatment and foul odor blocking device which comprises a treatment device, the treatment device comprises a frame body, and a treatment cavity, a gate, an abutting and pushing mechanism, a storage mechanism, a sealing mechanism and a cleaning mechanism are installed on the frame body; the processing chamber is used for filtering and separating solid and liquid wastes, the gate is used for controlling the opening and closing of the output end of the processing chamber, the pushing mechanism is used for pulling the solid wastes to move towards the storage mechanism after solid and liquid are filtered and separated, the storage mechanism is used for receiving and storing the solid wastes, and the sealing mechanism is used for heat-sealing a bag opening of the storage mechanism. And the cleaning mechanism is used for cleaning the treatment chamber after ...

Automatic beef primary cooking equipment

The invention discloses automatic beef primary cooking equipment, and belongs to the field of food processing.The automatic beef primary cooking equipment comprises a primary cooking device and a floating foam removing device, the primary cooking device comprises a primary cooking pot, the primary cooking pot is placed on a lifting platform for primary cooking, and the floating foam removing device comprises a floating foam fishing part; the floating foam salvaging part comprises a fixed salvaging plate and a movable salvaging plate which are arranged in the vertical direction, the movable salvaging plate rotates around a vertical rotating shaft of the movable salvaging plate, and through holes are formed in the fixed salvaging plate and the movable salvaging plate in an annular array mode along the rotating axis of the movable salvaging plate. The invention aims to provide the automatic beef primary cooking equipment, and floating foam generated in a primary cooking process can be quickly ...

Oil-water separation membrane with nano-composite hydrogel modified on surface and modification method of oil-water separation membrane

The invention discloses an oil-water separation membrane with the surface modified with nano-composite hydrogel and a modification method of the oil-water separation membrane, and belongs to the field of oil-water separation.The method comprises the steps that the surface of each hydrophobic separation membrane is modified with a nano-composite hydrogel layer with a nano-structure through a simple filtering and alternate soaking technology; the nano composite hydrogel is formed by compounding hydrogel and nano particles, the hydrogel is formed by polyvinylpyrrolidone and polyphenol substances, and the nano particles are formed by complexing iron ions and the polyphenol substances. Compared with smooth hydrogel, the hydrogel with the nanostructure has more excellent wettability and underwater high-viscosity oil drop adhesion resistance, a basement membrane can be effectively protected, and high-viscosity emulsified oil can be efficiently separated. Compared with a common method for modifying ...