54results about How to "Not easy to integrate" patented technology

The invention discloses a transverse IV-clan element quantum well photoelectric detector and mainly solves problems of high material toxicity and high cost of a conventional infrared photoelectric detector. The transverse IV-clan element quantum well photoelectric detector comprises a substrate (1), a bottom electrode (2), an absorption region (3), and a top electrode (4). A quantum well (31) uses a GeSn strain monocrystalline material with a Sn component more than or equal to 0 but less than 0.3. A barrier layer (32) uses a monocrystalline material with a Sn component more than or equal to 0 but less than 0.3 and a Ge component more than or equal to 0 but less than 1. The quantum well (31) and the barrier layer (32) are stacked transversely to form the absorption region arranged between the bottom electrode and the top electrode. According to the invention, SiGeSn monocrystalline material changes in size in an epitaxial process so as to generate transverse tensile strain in the GeSn quantum well material, thereby changing a GeSn material band gap and enlarging the spectral response range of the detector. The SiGeSn monocrystalline material can be used for producing large-scale integrated circuit.

The invention discloses a high-strength aluminum alloy subjected to carbonitride complex treatment and a preparation method thereof. The alloy comprises the following components in percentage by weight: 2.0-3.2 percent of Cu, less than or equal to 0.2 percent of Mn, 0.2-0.5 percent of Mg, less than or equal to 0.01 percent of Cr, less than or equal to 0.01 percent of Ni, less than or equal to 0.1 percent of Zn, less than or equal to 0.15 percent of Ti, less than or equal to 0.5 percent of Si, less than or equal to 0.5 percent of Fe, and the balance of Al and inevitable trace impurities, wherein the carbonitride MX(C,N)Y is 0.05-2.5 percent of total mass of the furnace burden. The aluminum alloy has the characteristics of high strength and good casting performance.

The invention discloses a nanosecond laser welding method and a nanosecond laser welding system for metal sheets. The nanosecond laser welding system comprises a nanosecond laser, a beam expanding lens, a galvanometer scanning deflector and a light beam focusing lens which are arranged sequentially through a support frame. Laser beams sent from the nanosecond laser are emitted to a plurality of to-be-welded metal sheets after passing the beam expanding lens, the galvanometer scanning deflector and the light beam focusing lens. The nanosecond laser welding method and the nanosecond laser welding system have the advantages that emission time, strength and the like of the nanosecond laser can be controlled by a controller, deflection angles of the galvanometer scanning deflector can be controlled by the controller, or positions of the to-be-welded metal sheets can be adjusted by a sheet holder, so that a plurality of tiny welding points, which are arranged according to a preset route and formed on the to-be-welded metal sheets by the micro-scale laser beams generated by the system, have larger bite force, and overlarge heat influences on metal are avoided.

The invention discloses a lightweight REST service framework implementation method. A service provider module, a service management center module, a service controller module, a service assurance center module and a service consumer module are included, wherein the service consumer module is responsible for launching a REST service request, and receiving and processing a REST service response; the service controller module is responsible for responding to the REST service, coordinating the other modules to complete the service request processing and writing back the service response; the service provider module provides a registration service and registers the service to a service management center; the service management center module is responsible for managing a service target object; the service assurance center module is responsible for REST service security and service monitoring. Compared with the prior art, the lightweight REST service framework implementation method has the advantages of being low in weight, low in dependency, easy to use, capable of sufficiently utilizing application server resources, efficient and stable, being internally provided with a security monitoring and control mechanism and the like, can be widely applied to a REST service system, is high in practicability and has the good application and popularization value.

The invention discloses a niobium-doped lithium-rich manganese-based layered oxide cathode material, which has the chemical formula of Li1.20-XNbxMn0. 54Co0. 13Ni0. 13O2 (0 <= x <= 0. 10). The invention adopts a polymer template method to prepare, the main steps are as follows: the dried cross-linked poly (acrylamide-methacrylic acid) microspheres are immersed in an aqueous solution containing Mn2+, Co2 + and Ni2 + ions of urea, the solution is adsorbed completely, and then heating and drying are performed; the dried microspheres are added into a solution containing lithium salt and niobium salt, heating is performed to remove moisture, and obtaining a lithium-rich cathode material precursor is obtained; the obtained precursor is calcined in air at high temperature to obtain a product-Niobium-doped lithium-rich manganese oxide base cathode material. As that crosslink polymer microsphere is used as a template, the transition metal hydroxide nanoparticle are synthesized in situ, the morphology of the lithium-rich manganese base oxide positive electrode material can be effectively regulated and the electrochemical performance can be greatly improved, and the preparation process of the niobium-doped lithium-rich manganese-based layered oxide cathode material is simple, the particle morphology is good in reproducibility, and the niobium-doped lithium-rich manganese-based layered oxide cathode material is suitable for industrial production.

The invention provides a high-integration brick type TR assembly. The high-integration brick type TR assembly comprises a shell, a radio frequency circuit board, an inner cover plate and an outer cover plate, wherein an installation cavity is formed in one end surface of the shell, a radio frequency output end connector and a low-frequency connector are arranged on one side wall of the installation cavity in a penetrating way, radio frequency antenna end connectors are arranged on the opposite side wall of the installation cavity in a penetrating way, and 24 radio frequency antenna end connectors are arranged; the radio frequency circuit board is arranged in the installation cavity, radio frequency and digital components are arranged on the front surface of the radio frequency circuit board, radio frequency microstrip lines are arranged on the back surface of the radio frequency circuit board, the radio frequency microstrip lines on the front surface and the back surface are connectedby a printed board vertical interconnection through hole, the radio frequency output end connector, the low-frequency connector and the radio frequency antenna end connectors are all connected to theradio frequency circuit board, and the radio frequency circuit board is provided with multifunctional chips and power supply modulation modules corresponding to the radio frequency antenna end connectors; a shielding cavity is formed in the bottom surface of the inner cover plate, the inner cover plate is arranged on the radio frequency circuit board, and the multifunctional chips are arranged inthe shielding cavity; and the outer cover plate is used for sealing the installation cavity. By a multi-channel integrated design, the volume of the brick type TR assembly is reduced, the sealing performance is better, and detection and debugging are facilitated.

The invention relates to a water-soluble high-efficiency concrete rosin air entraining agent and a preparation method thereof. The rosin air retraining agent is prepared from 50-70 parts of rosin resin, 0.5-1.0 part of p-methyl benzenesulfonic acid, 10-20 parts of unsaturated diacids, 20-40 parts of alkylphenol polyoxyethylene, 3-5 parts of triethanolamine and 160-250 parts of deionized water. The invention also provides the preparation method of the rosin air entraining agent. The air entraining agent has the advantages of good water solubility, good air entraining, bubble stabilizing and dispersing performances, convenience in construction, and good economic and practical property. A test result shows that the air entraining agent has good low-temperature dissolving performance, additive compatibility, air entraining performance and bubble stabilizing performance, and good concrete construction workability, is suitable for being used in roads, bridges, reservoirs, dikes, buildings and other concrete engineering, and is especially suitable for being used in concrete structures with high antifreeze durability requirements, such as water conservancy projects, maritime works, roads and bridges and other national large engineering, and road and bridge engineering in the north and other alpine regions.

The invention provides a micromachining and manufacturing method of a gas sensor with temperature modulation. After a single crystal silicon wafer is subjected to dry oxidation by adopting an IC (Integrated Circuit) process, a silicon nitride dielectric isolation layer and an aluminum oxide dielectric isolation layer are deposited, and a platinum film is deposited by utilizing a sputtering process; patterns are copied on the other side of the single crystal silicon wafer, and a silicon cup is micromachined; a mask is subjected to photoetching and the platinum film is etched by using ion beams to form a gas sensitive unit, a gas compensation unit and a temperature sensitive unit resistor; the mask is subjected to photoetching, and an aluminum oxide layer, a silicon nitride layer, a silicon oxide layer and single crystal silicon are subjected to wet etching in sequence to form a plurality of three-leg chip units; internal leads are welded; aluminum oxide catalytic carrier slurry is coated and sintered; and a catalyst and a desensitizer are coated and subjected to thermal treatment at high temperature to form a gas sensitive chip. The method settles the problems which are present in a catalytic gas sensor owing to manual operation, realizes the integration of a plurality of sensitive units of the sensor, raises the consistency, the reliability and the detection precision of the sensor, and lowers the power consumption.

The invention relates to a low-frequency shock source in supercritical CO2 phase change energy-gathered explosion and a shock source collection method. A shell is internally provided with a booster station connected with a Dewar bottle. The booster station is connected with an air compressor. One side of the air compressor is provided with a frequency changer. A vacuum pump is arranged on the frequency changer. The vacuum pump is connected with a high-pressure valve. The high-pressure valve is connected with a liquid conveying opening. An inflatable bolt is movably arranged above the liquid conveying opening. The inflatable bolt is connected with an explosion cylinder in a threaded mode. The explosion cylinder is connected with a pressure relief bolt in a threaded mode. The explosion cylinder is internally provided with an inner cavity. The inner cavity is internally provided with a safety heater. The position, at the tail end of the safety heater, in the inner cavity is movably provided with an explosion piece. A liquid filling opening is formed in the inflatable bolt. One side of the liquid filling opening is provided with a heater connection line opening. A pressure relief opening is formed in the pressure relief bolt. By means of the low-frequency shock source in the supercritical CO2 phase change energy-gathered explosion and the shock source collection method, an effective special tool is provided for the land and marine geological exploration and development in China.

The invention belongs to the technical field of food process and particularly relates to a production method rose tea. The production method includes the steps of firstly, weighing raw materials, to be more specific, weighing, by weight, 20-30 parts of rose, 3-8 parts of chrysanthemum morifolium ramat, 3-8 parts of radix lithospermi, 3-6 parts of rhizoma paridis and 1-5 parts of folium nelumbinis;secondly, sequentially performing microwave treatment, fumigation and drying treatment on the rose; thirdly, mixing and extracting the rest of the raw materials to obtain extract powder; fourthly, spraying the extract powder onto the rose. The rose tea produced by the method is rich in nutrition and high in sensory quality and has strong effects of beautifying and nourishing the skin and regulating qi and detoxifying.

The invention relates to the technical field of gene engineering, in particular to a recombinant vector containing polyhedrosis genes and a method for expressing and purifying proteins. The invention provides a recombinant plasmid pBacPAKph, a recombinant plasmid pBacPAKph-M and a linear virus recon with a connection number of CGMCC No.2768. Linear virus recon BmBacPAKph-M is adopted to infect a host body and express fusion protein of polyhedrosis protein and target protein, the expressed fusion protein is separated and purified, enzyme digestion is carried out on prolease to obtain the target protein. The purified target protein can be prepared into intravenous medicines or used as an object for study on protein functions. A plurality of proteins which are provided by the invention and hard to be expressed and purified but can be easily expressed and purified by protein expression and purification systems, especially membrane proteins have a broad prospect of application.

The invention discloses a preparation method of a television shell. The preparation method comprises the following steps of: adding first color powder by taking PC (Poly Carbonate) as a carrier, uniformly stirring, carrying out hot air drying, and pumping tablets to obtain first color masterbatch; adding second color powder by taking PMMA (Polymethyl Methacrylate) as a carrier, uniformly stirring, carrying out hot air drying, and pumping tablets to obtain second color masterbatch; mixing the first color masterbatch and the second color masterbatch by taking HIPS (High Impact Polystyrene) or ABS (Acrylonitrile Butadiene Styrene) natural color materials as main materials, uniformly stirring, and carrying out hot air drying to obtain an injection molding mixture; conveying the injection molding mixture to the hopper of an injection molding machine tool, melting through the injection molding machine tool to prepare molten gel, and filling the molten gel into the cavity of a mould; and cooling the molten gel inside the mould to manufacture the television shell, and separating the television shell from the mould. The method disclosed by the invention has the advantages of easiness and convenience for preparation, short manufacturing time consumption, high efficiency and low cost.

The invention discloses an internal step-down circuit structure of an LED driving power source. According to the internal step-down circuit structure, a rectifier bridge circuit (1) is connected with a high voltage pre-step-down circuit (2); the high voltage pre-step-down circuit (2) is connected with a linear voltage stabilization circuit (5), a hysteresis detection circuit (3) and a pre-posed reference voltage circuit (4); the hysteresis detection circuit (3) detects and compares the voltage of the high voltage pre-step-down circuit (2) so as to control the on-off of the high voltage pre-step-down circuit (2); the pre-posed reference voltage circuit (4) outputs a reference voltage which does not fluctuate with an input power source, does not change with temperature and is adopted as the reference voltage of the hysteresis detection circuit (3) and the linear voltage stabilization circuit (5); and the linear voltage stabilization circuit (5) performs voltage stabilization on the output voltage of the high voltage pre-step-down circuit (2). According to an internal step-down circuit structure of an LED driving circuit in the prior art, a buck-type DCDC circuit is adopted to decrease voltage or a high-frequency transformer is adopted to decrease voltage, and as a result, technical problems such as large size and little possibility of chip integration can be brought about, while, with the internal step-down circuit structure of the LED driving power source adopted, the above problems can be solved.

Spicy chili oil is prepared from, by weight, 2000-2200 parts of rapeseed oil, 200-210 parts of dry red chili, 10-30 parts of zanthoxylum oil, 5-10 parts of pepper powder, 1-3 parts of mustard seeds, 0.5-1.5 parts of anise, 0.3-0.8 part of fennel, 0.2-0.6 part of fructus amomi rotundus, 0.3-0.8 part of fructus amomi, 0.5-1.0 part of flos caryophyllata, 0.2-0.6 part of semen myristicae and 0.3-0.8 part of rhizoma zingiberis preparata. The spicy chili oil is crystal in luster, golden red in color, spicy in taste without irritation and rich in taste hierarchy. The preparation method guarantees once buffering of chili entering oil, spicy taste is uniformly dispersed in the chili oil to enrich taste hierarchically, high saturability of the oil is achieved, and the chili oil is less prone to fusion of other substances, so that long-term storage can be realized.

The invention discloses a double-frequency PCB (Printed Circuit Board) helical antenna. The double-frequency PCB helical antenna comprises a PCB dielectric substrate, a helical antenna, a matching short-circuit microstrip line and a metal ground, wherein the helical antenna, the matching short-circuit microstrip line and the metal ground are all arranged on the PCB dielectric substrate; one end ofthe matched short-circuit microstrip line is connected with the metal ground; the other end of the matched short-circuit microstrip line is connected with the helical antenna; the helical antenna comprises a front microstrip line arranged on the front surface of the PCB dielectric substrate and a back microstrip line arranged on the back surface of the PCB dielectric substrate, and the front microstrip line and the back microstrip line are connected through a metal via hole located on the PCB dielectric substrate. Compared with an existing dual-band antenna, the double-frequency PCB helical antenna is small in size, low in cost, high in efficiency, easy to integrate and easy and convenient to machine.

The invention discloses a dihydroquercetin nano-emulsion, and a preparation method and application thereof. The dihydroquercetin nano-emulsion is prepared from the following raw materials in parts by weight: 1-20 parts of oil, 1-5 parts of emulsifying agents, 0.01-0.05 part of dihydroquercetin and 80-99 parts of water. The preparation method of the dihydroquercetin nano-emulsion comprises the following steps: S1, dividing water into two parts, mixing and stirring the first part of water and an emulsifier, and heating the second part of water to 100 DEG C to obtain boiled water; S2, preparing a primary crude emulsion; and S3, carrying out homogeneous reaction on the primary crude emulsion obtained in the step S2. The invention also discloses application of the dihydroquercetin nano-emulsion in a food structure modification base material. According to the invention, an antioxidant nano-emulsion is produced, so that the defects of poor water solubility and low bioavailability of the current dihydroquercetin are overcome.

The invention discloses a manufacturing method for a magnetic lipstick. The method comprises the steps that 1, the whole size of the lipstick and grains of the lipstick are customized by installing magnetic patterns inside a mold; 2, a silicon rubber case is customized for manufacturing the mouth type of the lipstick; 3, a lipstick coloring agent is weighed, grease is weighed and oil wax is weighed; the coloring agent is mixed into the grease to be stirred; 4, a mixture of the coloring agent and the grease is ground; 5, oil wax and grease are weighed, the oil wax and the grease are molten inside a dissolving furnace, the mixture of oil wax and grease is completely dissolved and cooled, stirring and coloring matching are performed on the mixture of the coloring agent and the grease, and a corrosion remover is added; 6, a semi-finished material mixture is obtained, crude granules and precipitates are filtered; 7, the silicon rubber case is placed into the mold and preheated at the same time, the material mixture obtained after step 5 is executed is put into a filling pot, demolding, freezing and molding are performed. The production technology of the magnetic lipstick is complete andexquisite, the glossiness and color of the lipstick are exquisite, the requirement of a consumer is met, and the exquisite lipstick detection technology is also achieved.

The invention discloses a super-resolution three-dimensional image reconstruction method based on a fly-eye lens. A bionic fly-eye lens imaging principle and a three-dimensional image reconstruction technology are used in the super-resolution three-dimensional image reconstruction method, imaging is carried out through the fly-eye lens, and an image reconstruction processing module and a super-resolution reconstruction module are used in the super-resolution three-dimensional image reconstruction method based on the fly-eye lens. The super-resolution three-dimensional image reconstruction method has the advantages of flexible establishment, low requirements on algorithm, easiness in integration, easiness in extension of functions and the like.

The invention discloses a making method of chili oil for spicy chicken nuggets. The making method comprises the following steps of S1, preparing chili semi-finished products: stir-frying 5 parts of oil and 100 parts of dry chili in weight ratio, and crushing the stir-fried dry chili; S2, preparing oil material semi-finished products: heating oil, and then cooling the heated oil; S3, preparing red oil: mixing 10-12 parts of the chili semi-finished products with 90-100 parts of the oil material semi-finished products in the weight ratio, and then performing refining; and S4, performing refining to obtain the chili oil: mixing the 10-12 parts of the chili semi-finished products with 80-100 parts of the oil material semi-finished products, 3-5 parts of the red oil, 0.8 part of Chinese prickly ash and 0.8-1.2 parts of spices in the weight ratio, and performing refining. The chili oil prepared by the making method disclosed by the invention is glittering and translucent in color, golden red in color, spicy rather than pungent in taste, and rich in taste layers; in the process of making the chili oil, the refining step of the chili and the oil is sequentially performed twice, so that the situation of obtaining buffering once when the chili enters the oil is guaranteed, peppery taste is uniformly dispersed into the chili oil, the taste is more layered, the chili has higher saturation degree, other substances are not liable to merge into the chili, and the chili can be preserved for a long term.

The invention belongs to the fields of a light conversion agent and a greenhouse film. A chemical reaction of the light conversion agent is Na2+2yM1-x-yZr2O6:xEu<2+>, wherein M represents one or more than one of Mg, Ca, Sr, and Ba elements, a value range of x is greater than or equal to 0.01 and less than or equal to 0.2, and the value range of y is greater than or equal to -0.5 and less than or equal to 0.5. The light conversion agent has the advantages of good chemical and light stability, high luminescence efficiency, and uniform particle dispersion, and is capable of fusing with a film matrix, an emission spectrum is positioned at a red light area, and is matched with orange light required by plant photosynthesis, especially an excitation peak is positioned at a green light area, so that green light component having most content in sunshine can be fully used.

The invention discloses a beneficiation reagent adding treatment device, and belongs to the field of beneficiation reagent adding. A punching rod for an anti-inflammatory cloth dotter comprises a barrel body, a first U-shaped frame is fixedly connected to the bottom wall of the barrel body, a motor is fixedly connected to the side wall of the barrel body through a first L-shaped plate, the driving end of the motor penetrates through the first U-shaped frame to be fixedly connected with a first gear, a sleeve is further rotationally connected to the inner wall of the first U-shaped frame, and a second gear is meshed with the first gear, one end of the sleeve penetrates through the barrel body and is fixedly connected with an inner container, the inner wall of the first U-shaped frame is further rotationally connected with a first rotating shaft, the outer wall of the first rotating shaft is fixedly connected with a third gear, the top wall of the barrel body is further provided with an automatic dosing mechanism and a filtering mechanism, and the automatic dosing mechanism is matched with the filtering mechanism; the purpose of automatically adding the agent can be achieved without electric power and manpower, manpower and material resources are saved, and the environment is protected, the agent and water can be completely fused, therefore the using effect and the working efficiency in the flotation process are improved.

The invention discloses a municipal sludge wall breaking and brickmaking method. The municipal sludge wall breaking and brickmaking method comprises following steps: sludge pretreatment; sludge wall breaking and water reducing treatment; and sludge drying and brickmaking. According to the municipal sludge wall breaking and brickmaking method, a gel breaker, a dehydrating agent, a bactericidal agent, and a metal reducing agent are added into pre-treated sludge, the gel breaker and the dehydrating agent are capable of reducing sludge water content, the metal reducing agent is capable of reducingsludge mercury and heavy metal content, the bactericidal agent is capable of eliminating or reducing sludge pathogen amount and reducing organic matter content; in sludge drying process, a drying agent and an early strength agent are added, with reducing of sludge temperature, under the effect of the drying agent, evaporation of water in sludge is accelerated until sludge water content is reducedto 35 to 40%; the early strength agent is capable of converting sludge into granule states, fusion with water is not easily caused; and a baking-free brick machine is adopted for preparation of the treated sludge into baking-free bricks, so that waste utilization effect is achieved.

The invention discloses a 6082 aluminum alloy melted with CuH and a preparation method of the aluminum alloy. The method comprises the following steps of: heating aluminum ingots or molten aluminum till complete melting; adding Si, Fe, Mn, Mg, Cr, Zn and Ti, and completely dissolving and melting the elements; preserving the heat at the temperature of between 700 and 1,000 DEG C after refining, and obtaining an alloy melt; performing degassing purification operation on the alloy melt by using nitrogen or inert gas or mixed gas of the nitrogen and the inert gas in a random ratio, and continuously introducing the gas till the reaction is finished; adding CuH powder into the alloy melt in a fluidized form together with the gas; stirring to make the CuH distributed uniformly in the alloy melt and fully reacted with the alloy melt; and standing, regulating the temperature to 680-730 DEG C, and discharging the molten alloy for casting. By the method, the defects of the properties of the conventional aluminum alloy can be overcome, the toughness, the forming property and the hardening capacity of the aluminum alloy are improved, and a high-end base material is provided for efficient deep processing.

The invention discloses a method for manufacturing a luminous bowling ball groove. The method comprises the following steps: sticking a fluorescent label on a ball groove surface paper by adhesive, then, pressing the ball groove surface paper and abrasion-resist papers on a ball groove core layer in a high-temperature high-pressure manner. According to the invention, produced luminous bowling ball groove can emit gorgeous colors at night or in the dark or under a fluorescent lamp and can be luminous automatically according to demands of patterns by luminous component of raw material which stores energy in the day without difference; in addition, a traditional paper manufacturing method is abandoned; branches and crotches with low cost are used; and therefore, the method is environmental-friendly and economic.

The invention belongs to the technical field of an efficient power transmission device, and discloses a magnetoelectric gyroscope with a high Q value. The magnetoelectric gyroscope comprises a magnetic core and a copper coil uniformly surrounding the outer periphery of the magnetic core, wherein the magnetic core is of a sandwich structure which is formed by respectively bonding a layer of magnetostrictive rectangular sheet onto each of the upper and lower sides of a layer of piezoceramic rectangular sheet through epoxy resin glue; the materials of the magnetostrictive rectangular sheets are an iron-nickel-based constant-elasticity alloy; the materials of the piezoceramic rectangular sheets are PZT-8. The iron-nickel-based constant-elasticity alloy is used by the invention; by changing thematerials of the magnetostrictive layers and by using the characteristics of high mechanical quality factors and stable frequency response of the magnetostrictive layer materials at high frequency, the magnetostrictive layer materials and low-impedance piezoceramic are compounded to form the magnetoelectric gyroscope; the magnetostrictive layers sequentially complete the magnetic-mechanical conversion and mechanical-electric conversion in the magnetoelectric coupling process; meanwhile, the magnetoelectric coupling capability is also enhanced; the mechanical energy loss in the mechanical-electric conversion process is reduced; the power conversion efficiency of the magnetoelectric gyroscope is further improved.

The invention discloses an object image detection method and an object image detection device capable of improving the classification performance. According to the object image detection method capable of improving the classification performance, an embedded system acquires image information, detects the image information to generate a circle-selection range of an obstacle as the initial contour of the obstacle, generates a correct contour of the obstacle by a Poisson vector active deformation contour algorithm based on the circle-selection range, using a multi-grid algorithm and a variable-size grid to improve the computing speed, and circle-selects a maximum boundary according to the correct contour of the obstacle to enable a classifier to identity the type of the obstacle. The object image detection method and the object image detection device of the invention have the advantage of being capable of improving complete circle-selection of dynamic objects and improving the accuracy of identification. The problem that an existing dynamic object detection and image recognition method has high probability of incorrect judgment, is time-consuming, and cannot be easily combined with an existing vehicle system is solved.

The invention relates to an aerogel-containing composite material, a composite fabric and a preparation method of the aerogel-containing composite material, the aerogel-containing composite material comprises aerogel powder, hot melt adhesive powder and foaming powder, the hot melt adhesive comprises TPU hot melt adhesive or PA hot melt adhesive, and the aerogel-containing composite material is suitable for compounding with the fabric. The aerogel-containing composite material disclosed by the invention has waterproof, breathable and temperature-locking effects after being foamed. The composite fabric comprises a base layer, a surface layer and a heat preservation breathable layer arranged between the base layer and the surface layer. The heat preservation breathable layer is made of a composite material containing aerogel, the composite material containing aerogel is formed by mixing aerogel powder, hot melt adhesive powder and foaming powder, the hot melt adhesive is TPU hot melt adhesive or PA hot melt adhesive, and the aerogel is silicon dioxide aerogel.

The invention relates to a low-frequency shock source in supercritical CO2 phase change energy-gathered explosion and a shock source collection method. A shell is internally provided with a booster station connected with a Dewar bottle. The booster station is connected with an air compressor. One side of the air compressor is provided with a frequency changer. A vacuum pump is arranged on the frequency changer. The vacuum pump is connected with a high-pressure valve. The high-pressure valve is connected with a liquid conveying opening. An inflatable bolt is movably arranged above the liquid conveying opening. The inflatable bolt is connected with an explosion cylinder in a threaded mode. The explosion cylinder is connected with a pressure relief bolt in a threaded mode. The explosion cylinder is internally provided with an inner cavity. The inner cavity is internally provided with a safety heater. The position, at the tail end of the safety heater, in the inner cavity is movably provided with an explosion piece. A liquid filling opening is formed in the inflatable bolt. One side of the liquid filling opening is provided with a heater connection line opening. A pressure relief opening is formed in the pressure relief bolt. By means of the low-frequency shock source in the supercritical CO2 phase change energy-gathered explosion and the shock source collection method, an effective special tool is provided for the land and marine geological exploration and development in China.

The invention discloses a green synthesis device for 4-chloroacetoacetate, which comprises a sealed heat-insulating shell, a conductive cylinder is arranged inside the heat-insulating shell, and the upper and lower ends of the conductive cylinder are connected with the inner cavity of the heat-insulating shell. The upper and lower sides are sealed and fixedly connected. An electrostatic generator is installed outside the insulation shell. The output end of the electrostatic generator is connected to the side of the conductive cylinder through a cable, and the cable runs through the insulation shell. The upper part of the inner cavity of the conductive cylinder is equipped with an electrostatic Sprayer, a precooler is installed on the outside of the conductive cylinder; this green synthesis device of 4-chloroacetoacetates electrostatically atomizes the diketene solution to increase the contact area between the diketene solution droplets and chlorine gas, and double The downward movement distance of the diketene solution droplet determines the reaction time of the diketene solution droplet and chlorine gas, the reaction time of diketene solution and chlorine gas is easy to control, reduces the generation of by-products, and avoids the loss of raw materials.

The invention discloses a graphite heat exchanger convenient to clean, and relates to the technical field of heat exchangers. The graphite heat exchanger comprises a graphite heat exchanger body, wherein the graphite heat exchanger body comprises a heat exchanger shell, a flusher is fixedly installed at the top of an inner cavity of the heat exchanger shell, and a water tank is fixedly installed at the bottom end of the side surface of the heat exchanger shell. According to the graphite heat exchanger, a connecting base is matched with a water pipe, water in the water tank is pumped into a water pipe head, then the water is discharged from a water outlet through the rotation of a rotator, the graphite heat exchanger is cleaned, so that the problems that when the graphite heat exchanger isused for carrying out heat dissipation on equipment, fine particles in graphite can be dissipated in the air and are contaminated on the equipment, the attractiveness of the equipment and the use of the graphite heat exchanger are influenced, most graphite heat exchangers are inconvenient to clean, so that the working efficiency of the graphite heat exchanger is reduced, and the practicability isreduced are solved, and as a result, the effects of improving the working efficiency and the practicability of the graphite heat exchanger are achieved.