114results about How to "Effective circulation" patented technology

The invention discloses a block chain-based electronic copyright protection method, which utilizes a brand-new, decentralized, distributed architecture called block chain and gradually emerging with digital encrypted currencies such as bitcoins. Electronic copyright protection for data calculation methods. The blockchain model usually includes a data layer, a network layer, a consensus layer, etc., which are respectively responsible for completing the tasks of time-stamped data encapsulation, distributed networking propagation mechanism, and consensus algorithm of distributed nodes. At the same time, the application of elliptic curve encryption (ECC), an asymmetric encryption algorithm in the blockchain, requires the use of two different public and private key ciphers for encryption and decryption, which can greatly enhance the security of the copyright database sex. The complete model architecture of the block chain of the present invention makes it have very broad application prospects in the field of electronic copyright protection.

The present invention discloses a system and a method for logistics financing management based on a block chain technology, and relates to the technical field of logistics financing management. The system comprises a block chain ground floor platform which is in information interaction with a credit reference system, a supervision system, a service platform and an Oracle prediction machine througha data transmission and storage module; the credit reference system is connected with a bank credit reference system, an ant credit reference system and an individual credit reporting system; and theservice platform performs data transmission with the terminal device through the data transmission module. The system and the method for logistics financing management based on the block chain technology utilize the effects of the block chain ground layer platform, the credit reference system, the supervision system and the service platform to solve the problems that current loan principal and interest recovery risk are high, the information of a loan market is not opaque, the information of the lower-cost and safer fund is difficult to obtain and a supervision means is lack to go against local economic development.

The invention relates to a classification method of heart beat based on BiLSTM-Attention deep neural network. The classification method includes the following steps: 1) data pre-processing, using bi-orthogonal wavelet transformation to remove high-frequency noise and baseline drift; 2) feature extracting, detecting R-wave peak value by dyadic spline wavelet transformation, and further calculatingRR interval and extracting QRS wave complex data; and 3) model training, carrying out deep learning and classification on the detected waveform in step 2 through BiLSTM-Attention neural network. The classification method has advantages of accurate and effective classification of electrocardiogram (ECG) signals and deep learning and classification of ECG signals

The invention relates to an all plastic modular photobioreactor system and a method for cultivating microalgae by utilizing the same. The reactor tank body consists of all plastic closed fasteners, a sealing element, a supporting tube and a cylindrical plastic film which are subjected to modular design. The plastic film is fixed by the upper and lower closed fasteners in an octagonal buckling mode to form the closed reactor tank body. A plurality of reactor tank bodies are combined randomly into the photobioreactor system through gas supply pipelines, water inlet and outlet pipelines, an artificial light source and other auxiliary facilities so as to realize all-weather high-density cultivation of the microalgae. A device and the method provided by the invention can be widely used for microalgae cultivation in laboratories and in the production.

The invention relates to a moisture recycling supersonic speed gas-purification separation device for moisture recycling, dehydration, liquid removal, purification and separation; the device comprises a convergent divergent nozzle, a recycling port, a recycling separation cavity, a straight length and a diffuser pipe; the left end of a tapering section of the convergent divergent nozzle is provided with a moisture inlet, the right end thereof is connected with an inner shell body in the straight length by the diverging section of the convergent divergent nozzle, a swirler is arranged in the inner shell body of the straight length, and the right end of the swirler is provided with a swirler fixed sleeve which is hollow, and the right end of the swirler fixed sleeve and the left end of the inner shell of the diffuser pipe form a ring-shaped channel. The recycling separation cavity is formed between the straight length and the diffuser pipe, the recycling port is arranged on the wall surface of the inner shell body of the straight length, so as to effectively lead liquid drops in the remaining recycling gas to be separated out in a swirling way. The device realizes moisture recycling, purification and separation, so as to improve the separation efficiency and environmental-protection benefit; furthermore, the device has the advantages of no chemical pollution, environmental protection and energy saving, compact structure and high circulating and utilizing value.

The invention discloses a novel waterproof stage lamp which comprises a lamp holder, a U-shaped frame, a bottom box and a sealing cover. Two sides of the lamp holder are pivotally connected to the U-shaped frame, the bottom of the U-shaped frame is pivotally connected to the bottom box, a radiating opening is formed in the tail of the lamp holder, the periphery of the opening extends out along the central axis of the lamp holder to form a supporting ring, a first annular water retaining portion projects over the outer edge of the supporting ring and perpendicular to the supporting ring, the sealing cover is fixedly matched with the opening, the outer periphery of the sealing cover extends out to form an arc portion bent towards the opening, the arc portion is separated from the tail of the lamp holder, and a second annular water retaining portion projects over the inner side face of the sealing cover on the inner side of the arc portion along the central axis of the lamp holder, is positioned on the periphery of the first annular water retaining portion and is separated from the first annular water retaining portion to form a first radiating channel. A waterproof function can be effectively provided based on guarantee of radiating.

The inevention discloses a novel silk protein-galactosylation chitosan macroporous carrier with the specificity of hepatic cells, a preparation method thereof, and a method for culturing the hepatic cells under the condition of microgravity rotary culture using same. Compared with the normal solid frame material, the novel microcarrier has larger surface area / volume and has a sinusoid structure which is extremely similar to a hepatic sinus structure in human body, thereby being better convenient for the hepatic cells to be stuck on the frame material, the mutual contact among cells, the transmission of oxygen gas and nutrient component, and the discharge of metabolites, and further heightening the culture density of the hepatic cells and the function of the hepatic cells.

The invention relates to intelligentized low-pressure test equipment which comprises a box body, a heating system, a refrigerating system, a vacuum system, an electrical cabinet and an electrical system. A box door is arranged on the front end face of the box body, the box door is in seal connection with the box body, the heating system and a vacuum chamber are arranged on the upper portion inside the box body, an adjustable sample stand is arranged in the vacuum chamber, the refrigerating system is arranged on the lower portion inside the box body, the heating system and the refrigerating system are respectively in line connection with the electrical system, an air circulating system is arranged in the box body, the air circulating system comprises a circulating motor and a centrifugal wind wheel, the circulating motor is arranged outside the vacuum chamber, the centrifugal wind wheel is arranged in the vacuum chamber, the output end of the circulating motor is connected with the centrifugal wind wheel, the circulating motor is in seal connection with the vacuum chamber, and the circulating motor is in line connection with the electrical system. The temperature in the box body is even, the operation is more convenient and simpler, the degree of automation is greatly improved, and safe reliability is high.

The invention discloses a digital certificate processing method, a digital certificate processing system and a supply chain financial platform. The digital certificate processing method comprises thefollowing steps: receiving a transfer request of a first supplier; According to the transfer request, transferring the digital certificate of the first supplier to at least one second supplier or coreenterprise by using a block chain; Wherein the digital certificate of the first supplier is the digital certificate of the core enterprise signed by the first supplier according to the issuing request of the core enterprise, or the digital certificate of other suppliers signed by the first supplier according to the circulation request of other suppliers except the first supplier; And receiving asigning instruction of at least one second supplier or core enterprise. According to the invention, the core enterprise signs and issues the digital certificate to the first supplier, and the first supplier transfers the digital certificate to at least one second supplier or the core enterprise by using the characteristics of decentralization and non-tampering of the block chain, so that the purpose of effectively transferring the digital certificate in the supply chain is achieved.

Provided is a water treatment method and a water treatment apparatus for elctrolyzing the water to be treated by detecting the quality and quantity of the water to be treated and adjusting the electrolytic density according to the state of the water to be treated. When sewage is treated by immersing electrodes 11A, 12A, 11B, 12B, 11C and 12C for electrolysis in an electrolytic cell 15 in a sewer pipeline 1 and producing hypo-halogenous acid, ozone or active oxygen in the sewage, the states of the sewage before and / or after the treatment are detected with a flow rate sensor 16 and a turbidity sensor 17, and the number of the electrodes to be energized (the area to be energized) and / or electric power to be supplied to each of the electrodes are controlled according to the detection result.

The invention discloses a file transfer device, comprising a cabinet body. A control cabinet and a locker are arranged on the cabinet body, the control cabinet is connected with the locker; the control cabinet comprises an input module, a control module and a sending module; the input module is used for obtaining file delivery information input by a submitting user and identity information of a pickup user, the file delivery information includes a file name, a file number and information of the pickup user; the locker is used for saving the file submitted by the submitting user; the sending module is used for sending file delivery information to the corresponding pickup user according to the pickup user information; and the control module is used for verifying the identity information of the pickup user acquired by the input module, and controlling the locker to be opened when the verification is successful. The invention also discloses a server and a management terminal. By arrangingthe file transfer device, the submitting user can save the file to the file transfer device, and notify the pickup user to perform the pickup, thereby realizing the effective transfer of the file.

The invention provides a user asset information flow method and a device based on a block chain. The method comprises the following steps: obtaining an asset information flow request and a private keyof an asset information transfer party, and signing according to the address of the asset information to be transferred by the private key to generate a signature asset information address; The signature asset information address is verified by the asset information verification contract. When the verification is passed, the circulating asset information contract is generated according to the asset information flow request, and the circulating asset information contract is confirmed by consensus. When the circulating asset information contract is confirmed by consensus, the address of the updated asset information to be circulated in the circulating asset information contract is obtained, and the address of the updated asset information to be circulated is sent to the asset information receiver. By implementing the invention, the user can carry out the flow of the asset information without passing through the central organization, the efficiency of the flow of the asset information isimproved, and the credible, safe and effective flow of the asset information under different users is realized.

The invention relates to a power distribution network situation sensing method based on the complex event processing technology and a decision tree, and the method comprises the steps: defining nodes, and generating a decision tree model according to a node rule and status values; obtaining the input data of the decision tree model; calculating and obtaining output data through employing the corresponding formulas of all nodes; comparing the output data of all nodes with expected values, and obtaining the state changes of the nodes; determining the node priority of the decision tree model, and obtaining an inference result. The method greatly improves the capability of a power distribution network for processing mass information and mastering a key situation under the condition of disasters, and provides decision support for the power distribution network for handling natural disasters.

The invention relates to home improvement supplies, in particular to a multi-functional mildew-proof pad. The multi-functional mildew-proof pad comprises a sound-proof layer and a plurality of support units located below the sound-proof layer; a gap between the support units forms a passage; each support unit is 1 to 1000 millimeters in width and 0.3 to 39 millimeters in height; the space between the adjacent support units is 0.5 to 500 millimeters; nano-silver anti-bacterial and mildew-proof grains or a nano-silver anti-bacterial and mildew-proof layer is arranged at the upper surface or lower surface of the sound-proof layer; the sound-proof layer is one or more of a full open-cell foamed material layer, a closed-cell foamed material layer and a semi-open-cell foamed material layer. The multi-functional mildew-proof pad is capable of effectively realizing air flow, moisture and mildew resisting, sound and noise reduction and comfortable foot feel and especially suitable for paving under floor or carpet.

The invention discloses a plastic particle easy to dry. The plastic particle easy to dry comprises a columnar plastic particle body; the surface of the plastic particle body is provided with a first threaded structure; each of two end surfaces of the plastic particle body is provided with a halogen-free low-smoke polyolefin coating; by means of the threaded structure, the existence of a gap between plastic particles during stacking is realized, so that the purposes of air ventilation, high drying speed and good drying effect can be effectively achieved. In addition, each of two end surfaces of the plastic particle is provided with the halogen-free low-smoke polyolefin coating, so that the plastic particle has a certain fireproof capability.

The invention discloses a dampproof plastic particle which comprises a column-shaped plastic particle body; a first thread structure is arranged on the surface of the column-shaped plastic particle body; halogen-free and low-smoke polyolefin coatings are arranged at two end surfaces of the plastic particle body; by means of the thread structure, gaps are formed when the plastic particles are accumulated, so that the effective air ventilation is achieved, the drying speed is high, and the effect is good. In addition, since the halogen-free and low-smoke polyolefin coatings are arranged at two end surfaces of the plastic particle body, the dampproof plastic particle has a certain fire protection ability.

The invention provides a multi-online refrigerant adjusting device and system, a control method thereof and an air conditioner, and relates to the technical field of air conditioners. The method comprises the following steps that first external command signals, a system high-voltage corresponding saturation temperature, an ambient temperature and an outdoor machine liquid pipe temperature are acquired; according to the first external command signals, the system high-voltage corresponding saturation temperature, the ambient temperature and the outdoor machine liquid pipe temperature, whether arefrigerant adjustment preset condition is met or not is judged; and if the refrigerant adjustment preset condition is met, opening and closing of a first control valve group and a second control valve group are controlled to regulate the refrigerant amount of the multi-online system. According to the multi-online refrigerant adjusting device and system and the method, the adjusting device with gas-liquid separation and liquid storage functions is arranged in the multi-online system, the opening and closing of a plurality of control valves in the adjusting device are controlled, the storage and discharging of refrigerant are realized, the refrigerant state is monitored in real time, so that the refrigerant is always maintained in a reasonable range, it is ensured that the system can work normally under various loads, and the use comfort of a user is improved.

The invention discloses a novel high-temperature-resistant fire-fighting smoke-discharge fan. The novel high-temperature-resistant fire-fighting smoke-discharge fan comprises an outer barrel, an innerbarrel which is coaxially arranged in the outer barrel and is sealed, a plurality of guide supporting parts for fixing the inner barrel, a through shaft motor which is coaxially mounted in the innerbarrel, smoke discharge fans which are connected with a rotary shaft of the through shaft motor, an air outlet channel and an air inlet channel for enabling the inner space of the inner barrel to communicate with the outer space of the outer barrel, an air exhaust guide ring which is arranged at the front end of the inner wall of the inner barrel and is tapered, a reversing transmission mechanismwhich is connected with the rear end of the rotary shaft, and an air-cooling mechanism which is driven by the reversing transmission mechanism; an air inlet of the air-cooling mechanism communicates with the air inlet channel; and an air outlet of the air-cooling mechanism faces towards the front end of the inner barrel. Through the sealed type fan of the inner barrel, high-temperature smoke is prevented from invading to increase the temperature of a motor operation environment; meanwhile, a ventilating channel which communicates with outside fresh air and the air-cooling mechanism which is synchronously driven by a fan motor are arranged, so that independent circulation of heat dissipation inside the inner barrel is realized, and an air-cooling way replaces a conventional water-cooling way, and therefore, operation stability of the motor is improved from multiple aspects.

The invention discloses a ganoderma lucidum spore powder collecting method. According to the technical scheme, the method is characterized in that when powder blasting begins to be carried out on ganoderma lucidum, a mulching film is laid on the surface of soil for planting the ganoderma lucidum, a collecting cover is manufactured according to the size of the ganoderma lucidum, then the ganoderma lucidum is covered with the collecting cover, the collecting cover comprises a fixing cage wound into a column shape by utilizing iron wires, the surface of the fixing cage is wrapped with non-woven fabric, the non-woven fabric wraps the top face and the side faces of the fixing cage, and the bottom face of the fixing cage is hollow. After the ganoderma lucidum is blast into powder, the collecting cover is taken away, and a hairbrush is utilized for sweeping the clean spore powder on a ganoderma lucidum cap and in the collecting cover into a storing box, and sweeping resides on the mulching film into the other storing box; the fixing cage is sleeved with the non-woven fabric, during the powder blasting stage, the whole ganoderma lucidum is covered, and it is ensured that the collected ganoderma lucidum spore powder is not affected with damp; the collecting method is low in cost, and will not affect planting of the ganoderma lucidum.

The invention discloses mold energy-saving cleaning equipment which comprises a rack and a conveying mechanism arranged on the upper portion of the rack, a preheating tank, a cleaning tank, a drying tank and a cold storage tank are formed in the upper end of the rack, and a water spraying head, a hot air spraying head and a cold air spraying head are fixed in the cleaning tank, the drying tank andthe cold storage tank correspondingly; and a taking-out plate is rotationally connected to the side wall of the cold storage tank, a recycling cavity is formed in the rack, a waste heat utilization mechanism is not arranged in the recycling cavity, a water storage tank is formed in the bottom of the preheating tank, and a high-pressure pump connected with a water spraying head is arranged in thewater storage tank. The mold energy-saving cleaning equipment has the advantages that by arranging the preheating tank, the cleaning tank, the drying tank and the cold storage tank, pretreatment, surface cleaning, hot air drying and cooling storage of the mold are completed in the one-time stroke process, the mold is cleaned more sufficiently through step-by-step operation, and the overall cleaning effect is improved.

According to the present invention, an online tournament game system adopting batch processing comprises: an entry number generating step of generating an independent entry number for each players having submitted an entry for a one-on-one match of a tournament game, so as to determine opponent players for the game upon the completion of the submission of entries for the game; a match information providing step of providing every player with match information including entry number information, determination reference information, which is determined in association with the entry number information, and which determines the victory of the player in each game up to Kth match (where K is a natural number larger than 1) of the tournament game, and an input environment for inputting variable information for the victory of each game; a variable information input step of taking, as an input, variable information from the player through the input environment of the match information provided to the player; and a victory and defect calculation step of calculating all variable information inputted in the previous step to determine the winner up to the Kth match, wherein the winner of each game is determined by judging to the determination reference information of which player the result of the calculation of the variable information inputted from both players of each game corresponds. According to the present invention, the tournament game adopts batch processing for the matches thereof, thereby providing the effect of repeating games in a simpler and easier manner, and satisfying the criteria of objectivity, fairness, etc. of the online game for selling products and thus improving synergy effects for selling products through the online game.

The invention discloses an air-purifying and fresh-air system of a building door window. The air-purifying and fresh-air system at least comprises a left air passage, a right air passage and a fresh air purifying window sill structure, wherein the left air passage and the right air passage are installed on the two side walls of a door window hole, and the fresh air purifying window sill structure is installed at the lower portion of the door window hole. The fresh air purifying window sill structure is mainly composed of a window sill structure body and a fresh air and air purifying cavity structure, wherein the window sill structure body is arranged on the outdoor side, an outer air inlet passage is formed in the middle of the window sill structure body, the fresh air and air purifying cavity structure is arranged on the indoor side, and an inner air inlet passage is formed in the middle of the fresh air and air purifying cavity structure. The fresh air and air purifying cavity structure is connected with the window sill structure body on the outdoor side through broken bridge materials into a whole, and the inner air inlet passage and the outer air inlet passage are communicated with the fresh air and air purifying cavity structure. The air-purifying and fresh-air system has the advantages that the structure is reasonable and compact, use is convenient and reliable, fresh air can be led into the system, air purifying can be achieved, pollution of harmful substances in the air to living space can be prevented, and meanwhile effective circulating between indoor air and outdoor air can be guaranteed.

The invention refers to living goods of home decoration, and particularly relates to a method for installing and using a moisture-proof pad. The moisture-proof pad comprises a soundproof layer and a supporting layer located beneath the soundproof layer; the soundproof layer is a sealed face-shaped structure; the supporting layer comprises a plurality of supporting units, and each of the supporting units is provided with a plurality of first soundproof faces which are in acute angle or obtuse angle with the surface of the soundproof layer; a first channel forms between adjacent first soundproof faces between adjacent supporting units, and the cross section of the first channel is in the shape of triangle, trapezoid or rhombus; the method for installing and using the moisture-proof pad includes the following steps: (1) ensuring a flat, level, clean and dry ground; (2) making the soundproof layer of the pad upward, pressing and removing vapor; paving a floor on the pad; (3) reserving a 0.5-5 mm circulating gap between the floor and the wall or between the floor and the ground so as to provide ventilation. The pad can effectively ventilate, prevent moisture and mildew, prevent sound and reduce noise, and keep comfortable foot feeling; the pad is especially suitable for paving beneath the floor.

The invention discloses a construction method of a human umbilical cord mesenchymal stem cell (UCMSCS) seed bank and a detection platform thereof. The method comprises the steps of carrying out safetydetection on a human umbilical cord; disinfecting and washing by using a washing liquid; cutting a preset length of root of the human umbilical cord and washing by using the washing liquid; cutting into small blocks of preset size, adding a culture medium, uniformly mixing, centrifuging, discarding the supernatant, centrifuging again and removing the residual washing liquid; uniformly mixing thecentrifuged and precipitated tissue blocks with a culture medium and transferring to an incubator to culture; carrying out amplification; and carrying out cryopreservation. The platform comprises: anumbilical cord donor personal information unit, a collecting, receiving and recording unit, a specimen submission recording unit, a detection result reporting unit, a separation recording unit, a reagent batch number unit, a separation handover confirming unit, a culture recording unit, a cryopreservation and storage information unit and a process operator recording unit. The construction method of the human umbilical cord mesenchymal stem cell (UCMSCS) seed bank and the detection platform thereof, which are disclosed by the invention, have the advantages of simplifying the separation step, reducing the energy consumption and consumables and increasing the cell collecting efficiency.

The invention provides a two-dimensional code generation device for reporting measurement data of an environment monitoring instrument. The two-dimensional code generation device comprises a control unit, a connecting unit of an instrument output interface and the control unit, a two-dimensional code display unit, an external control APP, a power supply and power supply control unit, a power supply and network indication unit and a shell unit. The connecting unit of the instrument output interface and the connection unit is connected to the serial port or Bluetooth interface of the monitoringinstrument for data transmission; and the control unit analyzes and standardizes the data, generates a corresponding two-dimensional code and displays the two-dimensional code on the two-dimensionalcode display unit, and an external control APP scans the two-dimensional code to obtain a processing result and reports the processing result to the cloud system. Due to the application of the device,the problem that monitoring instrument data depend on manual filling and reporting in environmental monitoring activities is solved, rapid uploading of monitoring process data and result data is achieved by means of a two-dimensional code circulation mode, the monitoring instrument does not need to be transformed, and the device has good universality and application value.

The invention discloses a novel floor mat and a construction method thereof. The prior floor mat is a foam plastic floor film. The novel floor mat comprises a PVC plastic film layer (1), wherein the PVC plastic film layer is connected with a pulp layer (2). The construction method for the novel floor mat comprises the following steps of: cleaning dust on the ground with a dust cleaner; sterilizingand purifying the ground; and layering the floor mat on the ground. The novel floor mat is applied to the pavement between the ground and the floor.

The invention relates to an outer recirculation canned motor pump. A liquid inlet, a liquid outlet and a cooling liquid discharging outlet are formed in a canned motor pump shell. The cooling liquid discharging outlet is connected with an outer recirculation pipeline used for delivering motor cooling liquid in the shell back into a liquid inlet pipeline. In addition, an auxiliary impeller is mounted on a motor rotary shaft in the canned motor pump shell and located at the end of a motor rotor. Discharged motor cooling liquid is redelivered back into the liquid inlet pipeline through the outer recirculation pipeline, the motor cooling liquid is recycled, and environment pollution and wasting of a pumping medium caused by discharging of the motor cooling liquid are avoided. The auxiliary impeller can have a sufficient stirring effect on the passing-by motor cooling liquid, that is, the flowing direction of the motor cooling liquid is changed through turbulent flow holes when the motor cooling liquid passes through blades of the auxiliary impeller; and in addition, the motor cooling liquid is always in the turbulent condition under the rotating effect of the motor rotary shaft, and the cooling and heat exchange effects of the motor cooling liquid on a motor and bearings are greatly improved.

The invention discloses a one-way clutch compact in structure. The one-way clutch comprises a rolling bearing. The rolling bearing comprises an inner ring (02), an outer ring (01), a cage (46) and rolling bodies (04). The rolling bodies and ellipsoidal rollers (86) inside the cage are distributed in a staggered mode, the ellipsoidal rollers are arranged in an inclined mode, the two ends of the long axis of each ellipsoidal roller make contact with the inner ring and the outer ring respectively, open slots are formed in the positions, making contact with the inner ring, of the ellipsoidal rollers, and springs (89) are arranged inside the open slots and connected with the ellipsoidal rollers. When the ellipsoidal rollers move to the springs, the one-way clutch rotates freely, and when the ellipsoidal rollers move away from the springs, the inner ring and the outer ring are locked to lock the one-way clutch. The one-way clutch compact in structure has the advantages that the one-way rollers are moved into the rolling bearing and connected with the cage and the rolling bodies of the rolling bearing into a whole, in this way, finish machining and surface treatment do not need to be performed on the inner circle of a shell, the number of technological processes is reduced, and the cost is lowered; the material and structural design of original one-way rollers are changed, the structure is compact, and the using cost is lowered.

The invention discloses a nursing air cushion for preventing decubitus, which comprises a rectangular cushion body, on which a plurality of inflatable bags are arranged side by side, the airbags are arranged along the width direction of the cushion body, and each inflatable bag is respectively connected with an air intake pipe for The air inlet end of the trachea is connected to the gas outlet of the inflatable pump. The pad body is provided with multiple fixing belts between two adjacent air bags. The multiple fixing belts are evenly spaced along the width direction of the pad body. The fixed ends of the fixing belts Fixed on the upper surface of the pad body, the free end is provided with a female buckle, and the upper surface of the pad body is provided with a male buckle that can be fastened with the female buckle. A piercing space is formed between two adjacent inflatable bags, and an air outlet pipe is arranged between two adjacent inflatable bags. Exhaust micropores, a plurality of exhaust micropores are concentrated in the middle of the pad body in the width direction, and the air outlet pipe communicates with the gas outlet of the air pump.

The invention relates to a cadmium sulfide / cobalt-phosphate composite photocatalytic material and a preparation method thereof. A cadmium sulfide / cobalt-phosphate composite photocatalytic material is formed from cadmium sulfide nanorods and cobalt-phosphate amorphous particles deposited on the surface. The preparation steps are as follows: 1) Disperse the cadmium sulfide nanorods in a phosphate buffer solution under the action of ultrasound to obtain a cadmium sulfide dispersion, and add a hexahydrate cobalt nitrate aqueous solution precursor thereto, and the hexahydrate cobalt nitrate is calculated as cobalt element. It is 1 to 20 mol% of cadmium sulfide. After sufficient stirring, a precursor solution is obtained; 2) The precursor solution obtained in step 1) is illuminated with a xenon lamp, and then the solution is allowed to stand until the yellow solid precipitates completely, and the obtained precipitate is treated with water and Wash with ethanol solution, dry in vacuum, and then grind to powder. The composite material shows a high photocatalytic ability to decompose water and produce hydrogen under visible light irradiation, and at the same time has sufficient visible light photocatalytic activity and stability.