211results about How to "Rapid response" patented technology

The invention discloses a method for preparing a single-layer tungsten diselenide nanoband based on a space confinement strategy. By changing the flow and the growth time of hydrogen, effective control on the width and the thickness of a nanoband can be realized. The method comprises the following steps: uniformly spraying tungsten trioxide powder to one substrate, then covering the substrate by the other substrate, and forming micro reaction space which is of a 'sandwich'-like structure. Growth of a tungsten diselenide nanoband is carried out by utilizing a constant-pressure chemical vapor deposition method; physicochemical characteristics of a one-dimensional transition metal chalcogenide strongly depend on suspension key types on the edge of the one-dimensional transition metal chalcogenide, metallic properties are displayed by an ultranarrow band, and conversion from the metallic properties to semiconductor properties can be displayed from the edge to the center of a wider band; the tungsten diselenide nanoband is widely applied to micro-nano photoelectric devices due to the special property; industrial production of the tungsten diselenide nanoband can be realized through an experimental method of the invention.

The application relates to the technical field of organic wastewater treatment, in particular to a preparation method and application of an ozone catalyst, and the preparation method and application of the ozone catalyst, the method comprising the following steps: (1) ball milling, (2) melting and (3) staged cooling; the catalyst can promote the reaction between ozone molecules and refractory organic matters, effectively reduces the refractory COD in water, improves the COD removal rate, improves the ozone utilization rate, and achieves the purpose of improving the sewage treatment efficiency.

The utility model provides a condenser dredging mechanism which comprises a condenser body, a cold water opening and a backflow opening are formed in the two ends of one side of the top of the condenser body respectively, an automatic feeding dredging mechanism is arranged on one side of the condenser body, and the dredging mechanism comprises a cleaning water tank. The cleaning water tank is installed below one side of the condenser body, feeding ports are formed in the two ends of the middle of the top of the cleaning water tank, storage boxes are installed at the two ends of the middle of the top of the cleaning water tank, the bottoms of the storage boxes communicate with the feeding ports, and material fixing roller bodies are installed between the two ends of the lower portions in cavities of the two storage boxes. A plurality of quantitative cavities are formed in the outer sides of the two material fixing roller bodies in an annular array mode, a user can conveniently clean the interior of the bent condensation pipeline through the dredging mechanism, and the situation that due to the fact that incrustation is accumulated in the condensation pipeline, the cross sectional area of the condensation pipeline is reduced, the water passing rate is reduced, and normal operation and efficacy of the condenser are affected is avoided.

The utility model discloses a kind of rice powder microwave heating curing device and rice powder machine with the device, the curing device includes extruding component, it includes extruding cylinder, further include microwave heating assembly, microwave heating assembly is arranged on the outer wall of extruding cylinder.Microwave heating assembly includes magnetron;Extruding component includes machine cylinder component and extruding screw rod, machine cylinder component includes inner cylinder and extruding cylinder;The sidewall of the extruding cylinder is equipped with multiple microwave guide inlets;Inner cylinder is arranged in the extruding cylinder, and the feed inlet of inner cylinder is communicated with the feed pipe;Extruding screw rod is arranged in the inner cavity of the inner cylinder;Each guide inlet on extruding cylinder is equipped with a microwave heating assembly, and guide inlet is fixedly connected with the magnetron.This rice powder microwave heating curing device directly heats rice powder by microwave, is easy to control heating temperature, energy saving and environmental protection, can solve the problem that material is unevenly heated, heating time is long, energy consumption is big in rice powder heating curing process.

This invention discloses a hydraulic piston for an air booster pump, relating to the technical field of hydraulic pistons for air booster pumps. It includes a push rod, one end of which has a positioning insert that can pass through a brake piston, and the other end is a connecting end that connects to an air chamber piston. A sealing gasket is provided between the brake piston and the push rod for sealing connection. The diameter of the free end of the sealing gasket is smaller than the diameter of the contact surface of the push rod. This application eliminates the push rod seat connecting the brake piston and the push rod in conventional air booster pumps, ensuring braking sensitivity and thus increasing safety. This application achieves rapid and sensitive response by directly connecting the brake piston and the push rod, improving braking safety and saving braking reaction time.

The utility model discloses a miniature electronic load instrument applied to production, which comprises an instrument body, one end of the instrument body is provided with a to-be-tested switching power supply connecting port, the instrument body is provided with a liquid crystal display screen and a plurality of function keys, and the function keys comprise a start key, a setting key, a + key and a-key. A main control board is arranged in the instrument body, the main control board comprises a single chip microcomputer, a to-be-tested switching power supply connecting port, a liquid crystal display screen, a start key, a setting key, a + key and a-key are electrically connected with the main control board, and the to-be-tested switching power supply connecting port, the single chip microcomputer, the liquid crystal display screen, the start key, the setting key, the + key and the-key form a main control circuit. According to the utility model, the conventional professional equipment is replaced, the cost of instruments, equipment and materials is greatly reduced, the parameter adjustment of a test experiment product can be quickly responded, and meanwhile, various test parameters of the test product can be intuitively observed through the 1602 liquid crystal on the surface, so that the use is convenient.

The utility model discloses a general vehicle full -color night -vision auxiliary driving system, including multi -objective camera, individual helmet, car machine big screen and panoramic video processor, multi -objective camera all with panoramic video processor electricity is connected with individual helmet, car machine big screen, the multi -objective camera is used for gathering the image of vehicle surrounding environment, individual helmet is provided with head -mounted display, and the head -mounted display of individual helmet is used to present the image of vehicle surrounding environment after the processing of panoramic video processor, car machine big screen is used for presenting the image of vehicle surrounding environment after the processing of panoramic video processor on the vehicle. The utility model solves the problem that the imaging color of traditional vehicle night -vision auxiliary equipment is single, the detail is not clear, cannot provide panoramic visual information, is difficult to effectively integrate with vehicle system, helps the driver to be more accurate in judging the road condition under the night and complex environment, and improves driving safety and convenience.

The utility model relates to the technical field of fire-fighting boots, in particular to a high-comfort fire-fighting protective boot for firefighters, which comprises a boot sole, a toe cap, a vamp, a heel and a boot leg which are integrally arranged, a waterproof sock is jointly attached to the inner surface layers of the toe cap, the vamp and the boot leg, and the boot leg comprises a leg body, a tibia protective layer, an ankle protective layer and an ankle joint bending layer. By means of the arrangement of the waterproof socks on the inner surface layers of the boot vamps and the boot legs, it is guaranteed that when a fireman works in the environments such as wading, the feet cannot be soaked by water, and the waterproof socks further have the functions of high breathability, chemical protection and blood transmission and viral pathogen resistance; meanwhile, the tibia protection layer, the ankle protection layer and the ankle joint bending layer are arranged, and the design fully considers the protection requirements of different parts of the feet of the firefighter when the firefighter executes a task, so that the firefighter can quickly respond in an emergency, and the timeliness and the accuracy of rescue actions are improved.

This utility model belongs to the field of liquid transportation technology, and specifically relates to a quantitative liquid transportation device. It includes a cavity, a driving fluid circulation mechanism, pneumatic valve I, pneumatic valve II, a storage bottle, a nozzle, and a pneumatic valve control module. The cavity is divided into a left cavity and a right cavity by a diaphragm. The left cavity is filled with a delivery fluid, and the right cavity is filled with a driving fluid. The right cavity is connected to the driving fluid circulation mechanism, which changes the volume of the right cavity by increasing or decreasing the amount of driving fluid, thus changing the volume of the left cavity accordingly. The nozzle is connected to the left cavity via an outlet pipe and pneumatic valve I, and is used to quantitatively deliver the delivery fluid. The storage bottle is connected to the left cavity via an inlet pipe and pneumatic valve II. Both pneumatic valves I and II are connected to the pneumatic valve control module, which controls the on / off state of pneumatic valves I and II. This utility model has a simple structure, small size, fast response, precise control, and good fatigue resistance.

The application discloses a kind of sheet bismuth-based metal organic framework materials and preparation method thereof, comprising the following steps: bismuth salt and polybasic acid organic ligand are mixed, then mixed with grinding ball, ball milling treatment, obtain bismuth-based metal organic framework material.The application prepares bismuth-based metal organic framework material with sheet morphology structure by mechanical ball milling method, by using mechanical energy in ball mill to crush reactant, promote the rapid progress of bismuth metal ion and organic ligand reaction, the whole reaction process does not need solvent, or only needs trace amount of solvent, avoid the large use of organic solvent.The application can directly promote reaction at room temperature by mechanical force, and reaction time is short, yield is high, energy consumption is low, green and environmental protection.The bismuth-based metal organic framework material has unique sheet morphology structure, high specific surface area and high structural stability and the like characteristics, and size can be controlled, can be widely used in carbon dioxide adsorption reduction, adsorption of pollutants in water and the like fields.

The present application relates to a kind of whole body motion generation method based on sparse tracking input, comprising: (1) collection sparse tracking input, and acquisition Gaussian noise conforming to human motion distribution;(2) obtain pre-trained human anatomy diffusion model, the human anatomy diffusion model, including for carrying out smooth prediction smooth human anatomy network, and for accurate prediction accurate human anatomy network;(3) based on the sparse tracking input and the Gaussian noise conforming to human motion distribution, by the smooth human anatomy network and the accurate human anatomy network carry out parallel motion regression;(4) based on the sparse tracking input and the result of parallel motion regression, by the smooth human anatomy network and the accurate human anatomy network carry out alternate motion refinement, generate the output data of whole body motion.The present application is with higher accuracy and smoothness while processing sparse tracking input and output corresponding whole body motion.

The bedside monitoring room alarm bracelet comprises a monitor and a bracelet body, a bracelet watchband is connected to the bracelet body, a wireless transmission module is installed on the monitor and is used for wirelessly transmitting monitoring information on the monitor, a processor module, a display module, an alarm module and a power module are installed on the bracelet body, the wireless transmission module is electrically connected with a wireless receiving module through wireless connection, the monitoring information collected by the monitor and received by the wireless receiving module is collected and processed by the processor module, alarm information is transmitted to the display module on the bracelet body, and the processor module simultaneously alarms and reminds medical staff wearing the bracelet through the alarm module, so that the medical staff can timely understand the condition of the patient, the bracelet is muted after alarming, the medical staff can know which patient under their jurisdiction alarms first, the alarm content and make a quick response.

The application discloses a method for preparing high-purity tellurium dioxide powder from waste tellurium dioxide target material, comprising the following steps: step one, crushing the waste tellurium dioxide target material to obtain tellurium dioxide pre-crushed material; step two, ball-milling the tellurium dioxide pre-crushed material and drying to obtain tellurium dioxide powder; and step three, purifying the tellurium dioxide powder to obtain high-purity tellurium dioxide powder. 131 The application solves the problems of traditional powderization process, such as serious powder agglomeration, wide particle size distribution, easy introduction of impurities and poor industrial applicability, and the prepared powder can be directly applied to the production of tellurium dioxide target material, and the method can also be applied to the preparation of tellurium dioxide single crystal, infrared acousto-optic devices and electronic component materials, and has excellent industrial application prospect.

The application discloses a production process of electroplating grade potassium pyrophosphate, which uses potassium carbonate and diaphosphorus pentoxide as raw materials, and adds a catalyst to react in a high-pressure reaction kettle. After the reaction is completed, water is added for dissolution, and the pH value of the slurry is controlled to be 9.0-10.0. After being filtered through a precision filter, the slurry is punched into a slurry storage tank, and the slurry storage tank is maintained at 75-95 DEG C. The slurry in the storage tank is punched into an evaporation and concentration device for concentration, and then the concentrated liquid is punched into a continuous crystallization device for continuous crystallization operation. After centrifugal treatment, the filtrate is recycled into the evaporation and concentration device. The potassium pyrophosphate crystals are subjected to vacuum drying treatment in a vacuum drying equipment, and then are packaged into finished products after being crushed and sieved. The potassium pyrophosphate crystals obtained by the application have high purity, less caking phenomenon, and stable and controllable product quality.

The utility model discloses online sampling and detecting equipment for water pollutants, relates to the technical field of water pollutant detection, solves the technical problem that sampling, detecting and washing cannot be automatically and repeatedly carried out in the existing technical scheme, and comprises a main vehicle body, a mounting frame is fixedly mounted on the upper wall surface of the vehicle body, and a detecting pipe is fixedly mounted on the mounting frame; the detection pipe is a vertical pipe, a detection laser transmitter is arranged at the upper end in the detection pipe, and a detection laser receiver is fixedly mounted at the lower end of the detection pipe. According to the utility model, the unique control valve is matched with a sampling and flushing structure, so that the automatic switching of water samples and the automatic flushing of the detection pipe can be realized; water sample residues and cross contamination are effectively avoided, and the accuracy and representativeness of detection data are greatly improved; the device integrates a controller and a touch screen, operation can be completed conveniently in a touch mode, multiple sampling detection modes are supported, manual guarding is not needed, and the device is suitable for long-time unmanned online monitoring in various water environments.

The application belongs to the technical field of polyurethane grouting materials, and discloses a high polymer grouting material capable of being rapidly cured in a low-temperature environment, which is formed by mixing A component and B component, and the content of each component is as follows in terms of weight fraction: A component: 100 parts of polymethylene polyphenyl polyisocyanate; B component: 35 parts of polyether polyol A, 15 parts of polyester polyol B, 5-15 parts of Mannich base, 10 parts of flame retardant, 1.5 parts of foaming catalyst, 0.5 parts of gel catalyst, 0.5 parts of surfactant, 5 parts of physical foaming agent, 1.0 parts of chemical foaming agent and 5 parts of plasticizer. The Mannich base curing agent is added to the B component during preparation of the two-component polyurethane grouting material, and is uniformly mixed with other materials, so that the high polymer grouting material can be rapidly cured in a low-temperature environment.

This invention discloses a heat station control system based on virtual-real fusion, comprising: a data acquisition module, a data processing module, a metaverse module, a virtual-real fusion module, a control module, and a response module. These modules are respectively used to acquire data, process data, and construct a heat station metaverse, linking the metaverse with the real heat station and combining the metaverse with the real heat station. This integrates virtual humans, natural humans, and robots, and merges physical dispatchers with digital avatars, forming a human-machine integrated decision-making scheme. It boasts advantages such as good real-time performance, strong immersion, high decision-making ability, and strong execution, improving the efficiency of heat station control. Furthermore, the metaverse environment enables rapid response to control commands and observation of heat station operation animations, enhancing the transparency of the heat station's operation process.

This invention provides a method and device for anti-pinch control of electric seats. The method includes real-time acquisition of current, speed, and physical angle during motor operation; when the current motor current exceeds a dynamic current threshold or the transient collision energy exceeds a collision energy threshold, and the current speed is less than a expected reference speed, the motor is controlled to stop or reverse. The dynamic current threshold is determined comprehensively based on a preset angle reference ammeter, load mass compensation, ambient temperature compensation, and a mechanical wear self-learning factor updated with the number of opening and closing cycles; the transient collision energy is calculated only when the transient current change rate exceeds a dynamic slope threshold, at which point an integral observation window is activated. The electric seat anti-pinch control method and device provided by this invention achieve anti-pinch functionality during the operation of the electric seat.

The application discloses a kind of high adhesion hydrogel for electroencephalogram test and its preparation method and application, belong to biomedical engineering technical field.The hydrogel includes the following components crosslinked product: anionic monomer, cationic monomer, monomer and mutual penetration agent;The anionic monomer is any one of malic acid, gluconic acid, citric acid and lactic acid, cationic monomer is betaine or acetyl L-carnitine, monomer is N, N-dimethyl acrylamide, acrylic acid, sodium acrylate, 4-acryloyl morpholine or sodium acrylamidomethyl propane sulfonate, mutual penetration agent is sodium chloride aqueous solution or sodium chloride water-retaining agent solution.Preparation, cationic monomer is mixed and dissolved, vacuum drying, adding photo initiator mixing, then mutual penetration agent is added, and it is obtained by ultraviolet light crosslinking.The hydrogel of the application has high adhesion (adhesion strength reaches 203.22 kPa), high ion mobility and excellent biocompatibility, and the signal gain in EEG and ECG test reaches 2-3 times of traditional conductive paste, which can be widely used in medical conductive paste field.

The application provides proline dehydrogenase, genes and mutants and applications thereof. The enzyme is derived from Pseudomonas xantholysinigenes and is recombinantly expressed in Escherichia coli. The target gene is codon-optimized when constructing a plasmid. The optimized DNA sequence is shown in SEQ ID NO. 2. The proline dehydrogenase is subjected to mutation modification. The enzyme and the mutants thereof can be used for efficiently catalyzing L-proline degradation to complete biological resolution of DL-proline, and high-purity D-proline is obtained. The application has great economic value in the field of green production of D-proline.

This invention discloses a device for detecting and clearing ice and snow debris from power lines, comprising five parts: a crawling mechanism, an obstacle-crossing and clearing mechanism, an eddy current heating device, an autonomous power-collecting device, and a drone docking and flight device. The autonomous power-collecting device includes an electromagnetic power-collecting device and a pantograph contact power-collecting device. The crawling device and the eddy current heating device are located inside an openable structure, while the outside of the openable structure is connected to the electromagnetic power-collecting device and the obstacle-crossing and clearing mechanism. Drone docking and flight devices are located on both sides of the crawling device, with the pantograph contact power-collecting device placed on top of the drone docking and flight devices. A main control unit is located between the crawling device and the electromagnetic power-collecting device. This invention solves the problem that traditional mechanical clearing methods easily damage power lines and accelerate wear. Simultaneously, this invention also addresses the safety hazards faced by existing clearing equipment and personnel, as well as the problem of short single-operation time due to battery performance limitations.

This invention discloses an electromagnetic control valve for a diesel engine lubrication system, relating to the field of electromagnetic valves. The invention features a simple structure. By adjusting the fit between the components of the electromagnetic control valve, an oil drain port is provided at the front end of the valve sleeve, and two annular grooves are provided on the circumference, forming a first oil outlet and a second oil outlet at the second annular groove. Simultaneously, the dimensions of the two oil outlets are adjusted so that the amount of lubricating oil discharged from the oil pump regulating chamber through the second oil outlet is greater than the amount of lubricating oil flowing into the oil pump regulating chamber from the oil inlet through the first oil outlet. Compared to existing electromagnetic hydraulic control valves, this invention offers a wider range of hydraulic oil quantity adjustment, higher precision, and more sensitive response. Even when the electromagnetic valve fails due to power loss, it can still automatically open under oil pressure to adjust the oil pump output.

The invention belongs to the field of waste liquid recycling, and discloses a method for preparing potassium fluosilicate by using mixed waste acid, which comprises the following steps: S1, silica fume acidification pretreatment: soaking silica fume in an acid solution for acidification, carrying out precipitation separation on the silica fume, drying, and grinding to obtain acidified silica fume; s2, mixing the raw materials: uniformly mixing the acidified silica fume and the silicon dioxide powder; s3, preparation of fluosilicic acid: adding a mixture of acidified silica fume and silicon dioxide powder into the mixed waste acid, and uniformly stirring by a mechanical stirrer; and S4, preparation of potassium fluosilicate: adding a potassium chloride saturated solution into the fluosilicic acid solution to generate potassium fluosilicate precipitate. The method has the advantages and effects of being high in fluorine ion utilization efficiency, low in production cost and high in finished product purity.

The invention provides a preparation system and a preparation method of an autoblood contrast agent, and relates to the field of contrast imaging. The preparation system of the autologous blood contrast agent comprises an infusion passage, a reaction unit, an input passage, an output passage, an air supply unit and a liquid storage unit, the membrane oxygenator of the reaction unit comprises a liquid passage and a gas passage which are separated by a membrane; the input passage is located upstream of the inlet of the liquid passage of the membrane oxygenator; the output passage is positioned downstream of the outlet of the liquid passage of the membrane oxygenator; the liquid storage unit is located at the downstream of the output passage; the gas supply unit is located at the upstream of an inlet of a gas passage of the membrane oxygenator and transmits reaction gas into the gas passage, and the reaction gas at least comprises nitric oxide and oxygen. According to the preparation system of the autoblood contrast agent, the technical problems that in the prior art, a gadolinium-containing contrast agent or other metal element contrast agent is low in safety and narrow in application range are solved.

The disclosure provides a low dropout linear regulator circuit and a memory, the circuit comprising: a first transistor, a second transistor and a feedback control circuit; the gate dielectric layer thickness of the first transistor is less than a preset threshold; the first end of the first transistor and the second end of the second transistor are connected to receive a power supply voltage; the second end of the first transistor and the first end of the second transistor are connected to output a target voltage; the control end of the second transistor receives a power-on control signal, and the second transistor is used to output the target voltage during the power-on process; the feedback control circuit is connected with the control end of the first transistor, the feedback control circuit is used to receive the power-on control signal, control the first transistor to be disconnected during the power-on process, and control the first transistor to output the target voltage after the power-on is completed; wherein the power-on control signal is in an enabled state during the power-on process, and is in a disabled state during the remaining period. The disclosure can reduce the circuit area, avoid overvoltage and simplify the timing.

The present application relates to the field of electrochemistry, and discloses a kind of side chain containing TEMPO conductive polymer and its preparation method and application.2,5-diformylfuran is prepared by using 5-hydroxymethylfurfural as raw material, and there are problems of catalyst recovery and separation difficulty with product. In order to solve the above technical problems, the small molecule catalyst TEMPO is connected to the conductive polymer, and the conductive polymer obtained by connection realizes heterogeneous electrochemical catalytic oxidation of 5-hydroxymethylfurfural to generate 2,5-diformylfuran. The conductive polymer is used as the catalyst for the electrocatalytic oxidation of 5-hydroxymethylfurfural to prepare 2,5-diformylfuran, which avoids the problem of difficult separation of catalyst and product, and has the characteristics of high reaction rate and high product yield.

This invention provides a rapid colorimetric reagent for the detection of manganese and iron ions. The reagent consists of carbon dots, a 3,3′,5,5′-tetramethylbenzidine solution, and a phosphate buffer solution. The reagent itself is a brown, transparent solution. When manganese ions are added to the 3,3′,5,5′-tetramethylbenzidine solution and phosphate buffer solution, it turns blue (visible to the naked eye) upon irradiation with a 365 nm UV lamp; upon contact with iron ions in the 3,3′,5,5′-tetramethylbenzidine solution, it turns dark green (visible to the naked eye). This reagent exhibits an extremely low detection limit and good selectivity. The detection process does not require complex analytical equipment, enabling rapid trace detection of manganese and iron ions. The reagent is simple to prepare, overcoming the shortcomings of cumbersome and expensive synthesis of manganese and iron ion detection probe molecules, and providing effective technical support for trace detection in food safety.

The invention provides a primary acetylene gas production process, and relates to the technical field of acetylene gas production processes, and the primary acetylene gas production process comprises the following steps: firstly, carrying out on-line screening on a crushed raw material calcium carbide in a specially-made feeding bin, and executing at least three times of'vacuumizing-inert gas filling 'pressure pulse cycles, deeply removing air and moisture adsorbed in pores of the calcium carbide particles; then putting the purified calcium carbide into an acetylene generator provided with a temperature control jacket, and carrying out hydrolysis reaction in a low-temperature interval of 40-65 DEG C; in the reaction process, multi-stage rake teeth of a mechanical stirrer are used for providing strong shearing force to peel off a passivation layer on the surface of calcium carbide, and meanwhile, an external circulating spraying system is matched for eliminating the temperature gradient and local overheating in the reaction kettle. And side reactions such as acetylene polymerization, cracking and oxidation are obviously inhibited.

The application discloses a battery charger, comprising a charging interface, N charging positions, a first control module and a switch circuit. The charging interface is connected with an external power supply device and comprises a charging positive electrode pin and a grounding pin. The negative electrode connection terminal of the first charging position is grounded, the positive electrode connection terminal of the Nth charging position is connected to the charging positive electrode pin, and the N charging positions are connected in parallel. The first end of the switch circuit and the second end of the switch circuit are connected in series between the charging positive electrode pin and the positive electrode connection terminal of the Nth charging position, the control end of the switch circuit is connected to the first control module, the first control module detects the voltage Un of the positive electrode connection terminal of the Nth charging position, and when the voltage Un exceeds the upper limit threshold of the first charging voltage, a turn-off signal is sent to the control end of the switch circuit, so that the first end of the switch circuit and the second end of the switch circuit are disconnected. According to the application, the risk caused by the charging voltage exceeding the upper limit threshold can be avoided.