128results about How to "Suitable for large-scale promotion and application" patented technology

The invention discloses a saline-alkali land soil conditioner and a preparation method thereof. The saline-alkali land soil conditioner is prepared by adding water in citric acid, polymaleic acid-acrylic acid copolymer, sodium polycrylate and fatty alcohol-polyoxyethylene ether. The preparation method comprises the following steps: weighing raw materials in weight proportioning; adding partial water in a reaction kettle for heating to 50-60 DEG C; adding the fatty alcohol-polyoxyethylene ether, the polymaleic acid-acrylic acid copolymer, the sodium polycrylate and the citric acid in the reaction kettle in turn for fully dissolving; subsequently, adding rest water in the reaction kettle and cooling to 20 DEG C; and after sampling and qualified inspection, measuring and packaging to form a finished product. By using the conditioner, the physical and chemical properties of the saline-alkali soil are obviously improved, heavy metal ions are complexed, emulsification and oil removal are achieved, salinity infiltration is accelerated, alkaline of soil is neutralized, and the pH value is regulated; and the desalination amount of the conditioner can reach above 50%, and the conditioner has the advantages of short improvement period, durable management effect and universality, saves water, increases benefits, yield and income and is environment-friendly.

The invention discloses a turning radius adjusting mechanism of paddles of a vertical axis wind turbine. The paddles are distributed on the same circumference, the turning radius adjusting mechanism further comprises a power component and actuating components, the power component consists of a power component body and a vertical tube component, fan hub shells are symmetrically disposed at the upper end and the lower end of the vertical tube component, the power component body is disposed in the vertical tube component, a power device in the power component body can drive two vertical output shafts to rotate, the vertical output shafts are arranged on the upper side and the lower side of the power device respectively, one end, which is far away from the power device, of each of the two vertical output shafts extends into the corresponding fan hub shell, driving bevel gears are sleeved at both extending ends of the two vertical output shafts, and the actuating components are symmetrically arranged on the two fan hub shells and are horizontally disposed. By the aid of the turning radius adjusting mechanism, the turning radius of each paddle can be adjusted as needed, the turning radius adjusting mechanism is favorable for improving the stability of generated power of the vertical axis wind turbine, safety of the vertical axis wind turbine with high load and applicability of the vertical axis wind turbine to conditions with different wind speeds and expanding application range of the wind speed, and the shortcoming that the turning radius of a paddle cannot be adjusted by a traditional structure is overcome. In addition, the turning radius adjusting mechanism is simple in structure, convenient in manufacture and applicable to large-scale popularization and application in the field of vertical axis wind turbines, and has excellent technologic and economic benefits.

The invention provides russula vinosa Lindbl yield increasing fungi and a using method thereof, which belong to the technical field of russula vinosa Lindbl yield increase and solve the problems of low yield, high price, low quality and the like of wild russula vinosa Lindbl of the prior art. The russula vinosa Lindbl yield increasing fungi of the invention are a mixed flora of locally common ectomycorrhizal fungi and comprise Boletus brunneissimus Chiu, R. albida Peck, Boletus luridus and amanita yellow corner. Mycelia of various fungi of the russula vinosa Lindbl yield increasing fungi are cultured by a shaker culture method respectively; the mycelia are separate and used to prepare mycelium mixtures at a concentration of 50mg / L respectively; the mixtures are mixed uniformed in the same amount before inoculation to form the russula vinosa Lindbl yield increasing fungi; and on a woodland wherein russula vinosa Lindbl grows, the russula vinosa Lindbl yield increasing fungi are inoculated in dent pits by a root cutting and mycorrhization technique. In the method, ectomycorrhizal fungi flora is used to increase the biomass of thin roots of arbor, so the fruiting capacity, yield and quality of wild russula vinosa Lindbl are improved obviously and remarkable economic benefits are created. Thus, the method is suitable to be promoted and used in large areas.

The invention discloses a full-hydraulic steering system of a double front-axle passenger step. The front part of a frame is provided with a first steering axle and a second steering axle, and a full-hydraulic steering follower and a middle swing arm are arranged between the first steering axle and the second steering axle, wherein the full-hydraulic steering follower is arranged on the external side of a longitudinal beam of the frame. The front end of a first pull rod is hinged with a steering knuckle arm bulb of the first steering axle, and the rear end of the first pull rod is hinged with the lower part of the middle swing arm. The front end of the second pull rod is hinged with the lower part of the middle swing arm, and the rear end of the second pull rod is hinged with a steering knuckle arm bulb of the second steering axle. The full-hydraulic steering system of the double front-axle passenger step adjusts the original single front-axle steering system into the existing double front-axle steering system, so that the defect that the load of the original single front-axle steering system is large can be favorably overcome. Moreover, the full-hydraulic steering system of the double front-axle passenger step adopts the middle swing arm to drive the steering knuckle arms of the first steering axle 2 and the second steering axle 3 to rotate synchronously. The full-hydraulic steering system of the double front-axle passenger step has the advantages of simple structure and easiness in construction.

The invention provides a human IgG and a rheumatoid factor absorption device comprising a microplate which comprises at least one micropore, substances for specifically absorbing human IgG and rheumatoid factors are coated in the micropore; preferably, the microplate is prepared from polystyrene or polypropylene, and the number of the micropores ranges from 1 to 1536; the microplate also comprises a base, and can be arranged on the base in a dismountable manner; and the substances are goat anti-human IgG antibody and denatured / agglutinative human IgG. The invention also provides a method using the above device to detect IgM antibody in human serum. The human IgG and rheumatoid factor absorption device can specifically absorb human IgG and rheumatoid factors, thereby conveniently and rapidly removing the interference of human IgG and rheumatoid factors, being beneficial to the rapid and accurate realization of related detection, being applicable to large scale promotion and application, and providing guarantee for conveniently and rapidly performing large-scale clinical detection.

The invention discloses an intelligent diagnosis method and an intelligent diagnosis system for home appliance faults. The method comprises the following operation steps: (a) when a fault alarm occurs to a home appliance, a corresponding fault code is generated according to the type of the fault alarm; (b) the fault code obtained from step (a) is converted into a two-dimensional code; and (c) the two-dimensional code obtained from step (b) is scanned and identified to judge fault information of the home appliance. By adopting the method and the system of the invention, the waste of time, energy and resources in the process in which users ask for maintenance after a home appliance fault occurs is avoided, and the dependence on the network is also avoided. The system and the method have the advantages of high reliability and convenient and quick operation.

The invention discloses an automatic loading device of a lathe applicable to disc-type parts. A sliding plate is arranged in the square-shaped hole of a rectangular frame in a penetrating manner; the left plate surface of the sliding plate is vertically provided with a dovetail groove which is in sliding fit with a dovetail guide rail on the right plate surface of a fixed plate; the top surface of the fixed plate and the bottom surface of the rectangular frame are fixed; the front side surface of the fixed plate is fixedly provided with a limited block; the right part of the limited block is vertically provided with stripy holes which are internally provided with limit screws in a penetrating manner; and the limit screws and the front side surface of the sliding plate are fixed simultaneously. The automatic loading device can be used for replacing workers to realize automatic loading, so that the labor intensity of the workers is greatly reduced, and the working efficiency is also greatly improved; and the loading device can be matched with a numerical control lathe so as to realize unattended production, and is simple in structure, smart in concept and suitable for large-scale promotion and application.

The invention discloses an air conditioner cold water variable-flow system which comprises cold water unit systems and water supply loop systems. Each cold water unit system comprises a cold water unit, each water supply loop system comprises a water supply pipeline and a water return pipeline, a water supply main pipe is arranged between a water outlet of each cold water unit system and the corresponding water supply pipeline, and a water return main pipe is arranged between a water inlet of the cold water unit system and the corresponding water return pipeline. Water pump systems are arranged on the water supply pipelines or the water return pipelines, a communication bypass is arranged between the water supply pipeline and the water return pipeline of at least one water supply loop system, an automatic bypass valve is arranged on the communication bypass, a pressure difference sensor I is arranged between a water inlet and a water outlet of at least one cold water unit, or a flow sensor is arranged on a water inlet or a water outlet of at least one cold water unit, and a bypass valve control system is arranged between the pressure difference sensor I and the automatic bypass valve or between the flow sensor and the automatic bypass valve. The invention further discloses a control method of the air conditioner cold water variable-flow system.

The invention discloses a loading and unloading transmission device for a machine tool. The loading and unloading transmission device comprises a speed reducer on the left part of an intermediate plate, wherein a driving chain wheel on the upper end part of an output shaft of the speed reducer is connected with a driven chain wheel by a chain; a pair of correlation switches for acquiring signals of a workpiece bracket reaching a grabbing position is arranged above the chain; a tray is arranged on a support top plate of the chain; the workpiece bracket is arranged on an upper tray; an air cylinder is arranged on the intermediate plate from front to back; and the rear end part of an air cylinder extension bar is provided with a horizontal baffle capable of blocking the tray by a vertical plate. According to the loading and unloading transmission device, a workpiece is driven by friction force to move with the chain and is blocked reliably by the horizontal baffle, and the retention position of the workpiece is fixed and accurate, so that a bunker device is matched with a feed claw of the machine tool to load and unload; and the workpiece is jacked by the loading and unloading transmission device according to requirements to reduce the integral height of the bunker device effectively, so that the workpiece is put on the workpiece bracket by workers, and the loading and unloading transmission device has a simple structure and is convenient to manufacture.

The invention relates to a combined motor stator component and sleeve used for a wet operation pump. The combined motor stator component and sleeve comprises a stator component and a sleeve, wherein the stator component comprises a stator iron core, a stator coil and a pole piece; a plurality stator teeth distributed at intervals extend integrally from the periphery of the stator iron core, one end of the pole piece is connected with the stator teeth in a matching way, the sleeve is integrally injected on the other end of the pole piece, and one or more positioning parts is / are arranged on the end face or the side face of a non-injection sleeve of the pole piece. The invention further relates to an assembly method of the combined motor stator component and sleeve, wherein the pole piece is placed and located in an injection mold, the sleeve is obtained by injection on the pole piece, then the other end of the pole piece is connected in a matching way with the stator teeth to obtain the combined motor stator component and sleeve for the wet operation pump. According to the invention, the pole piece is stably positioned in the injection mold to guarantee the injection molding effect of the sleeve.

The invention provides an antibody against lactate dehydrogenase of plasmodium vivax, which is a monoclonal antibody or polyclonal antibody specific to proteins shown in SEQ ID NO: 2. More preferably, the monoclonal antibody or polyclonal antibody is obtained by using a fusion protein formed by the protein shown in SEQ ID NO: 2 and the known label as an antigen immune animal; the monoclonal antibody is produced by a hybridoma cell strain of which the collection number is CGMCC No.3897 or No.3898. The invention also provides a hybridoma cell strain producing the antibody against the lactate dehydrogenase of plasmodium vivax, a preparation method and use of the antibody against the lactate dehydrogenase of plasmodium vivax, a related immunoassay method, a kit prepared from the antibody, etc. The antibody against the lactate dehydrogenase of plasmodium vivax can specifically detect the lactate dehydrogenase of plasmodium vivax, can be applied to specificity detection of vivax infection, has the advantages of high specificity, sensitive response and low cost, and is applicable to high-throughput detection.

The invention relates to a high efficiency air source heat pump, belongs to the heat pump applied technology field, mainly comprising a compressor (1) and an indoor heat exchanger (2). A throttling device (3) and an outdoor air cooling heat exchanger (4) form a refrigerant closed cycle system which is controlled by an electric control device (5). The high efficiency air source heat pump is characterized in that the system is also connected with a natural energy heat exchanger (6). At least one part of the natural energy heat exchanger (6) is arranged on the air inlet side of the outdoor air cooling heat exchanger (4). The outlet of the natural energy heat exchanger (6) is connected with the air return channel of the system. The inlet of the natural energy heat exchanger is connected with the outlet of a throttling component (7). The inlet of the throttling component (7) is connected with the throttling device (3). The throttling component (7) is an electronic expansion valve or a non-electronic control restrictor part and an electronic control valve with the inlets are connected with each other. The high efficiency air source heat pump can produce heat with high efficiency and quick speed, especially under the low temperature and cold environment conditions. The flexibility and defrosting functions can make the system have stable operation property and long service lift. The high efficiency air source heat pump is suitable for being expanded and applied in a wide scope.

The invention discloses a valve core of a ball valve. The valve core of the ball valve comprises a ball body, wherein the ball body has a hollow structure; a liquid inlet and a liquid outlet which are communicated with an inner hole is arranged on the ball body; and the liquid inlet is opposite to the liquid outlet. The key point is that: four planes parallel to the central line of the inner hole are formed on the inner surface and the outer surface of the ball body respectively; four inner planes and four outer planes of the ball body are in one-to-one correspondence; each outer plane is distributed uniformly along the circumferential direction of the ball body; the two adjacent outer planes are vertical to each other; the two opposite outer planes are over against each other; a first valve rod mounting through hole is formed on any one of the outer planes; a second valve rod mounting through hole is formed on the outer plane opposite to the former outer plane; and the central line of the second valve rod mounting through hole coincides with the central line of the first valve rod mounting through hole and is vertical to the central line of the inner hole. The valve core of the ball valve integrates the advantages of the valve core of the traditional solid ball structure and the valve core of the traditional hollow ball structure, has the advantages of light weight, low consumption of raw materials, low manufacturing cost, high structural strength and high pressure resistance, and is suitable for large-scale popularization and application.

The invention discloses a large-aperture gas flow calibration device capable of providing two flow fields. An outlet end of air source equipment is provided with a measuring pipe, a straight pipe and a calibrated meter mounting pipe, of which the central lines are in a straight line; an air outlet of the measuring pipe is connected with an air inlet of the calibrated meter mounting pipe through the straight pipe; an air inlet pipe, an intermediate pipe and an air outlet pipe, of which the central lines are in a straight line, are arranged between the air source equipment and an air inlet of the measuring pipe; the air inlet pipe is a conical pipe; a small-aperture end of the air inlet pipe is connected with the outlet end of the air source equipment, and a large-aperture end of the air inlet pipe is connected with an air inlet of the air outlet pipe through the intermediate pipe; an air outlet of the air outlet pipe is connected with the air inlet of the measuring pipe; the aperture of the air outlet pipe gradually reduces from the air inlet to the air outlet, so that a contour line of the pipe wall of the air outlet pipe forms a witozinsky curve; and a flow straightener is arranged in the intermediate pipe. Through the device, a uniform flow field can also be provided on the premise of providing a fully developed flow velocity distribution flow field.

The invention provides a method and system for preparing fresh water by using dew condensation temperature difference between seawater and fresh water. The method comprises the following steps: a, heating seawater to 45 to 65 DEG C by using heat exchange heat of a refrigeration apparatus; b, subjecting the heated seawater to primary desalination so as to form low-salinity fog; c, subjecting the low-salinity fog formed by primary desalination to low-temperature dew condensation in a range of 8 to 12 DEG C so as to allow fresh water molecules in the low-salinity fog to become dew through condensation and recovering powdery salt crystal formed uncondensed high-salinity fog; and d, carrying out secondary desalination with a reverse osmosis membrane and active carbon and purifying obtained fresh water until fresh water meets drinking water standards. The system comprises a water pump, a seawater storage container, a seawater heating container, an ultrasonic atomizer, the refrigeration apparatus, a fan and a secondary desalination apparatus. The method provided by the invention has the advantages that energy consumed in the process of seawater desalination is low; the service life of consumables is long; the amount of prepared fresh water is great; secondary pollution is not posed to the marine environment; maintenance cost is low; and the method is suitable for large-scale application.

The invention relates to a washing method and an applied washing machine driving mechanism. An input member of a reducing mechanism is fixedly connected with a power member which provides rotating motion energy. A dehydration output member of the reducing mechanism is fixedly connected with a dehydration shaft sleeve. A washing output element of the reducing mechanism is connected with a washing shaft. The washing output part is connected with the input element, so that the washing output element rotates around the power element in a revolution mode. The dehydration output element is connected with the washing output element in a meshed mode, so that the dehydration output element and the washing output element respectively rotate by mutual effect through mutual effect. The magnetic damper is arranged and connected outside the dehydration shaft sleeve, and the magnetic damper can produce damping force on the dehydration shaft sleeve, so that rotating speed of the dehydration shaft sleeve is equal to or less than that of a washing shaft. The washing method and the applied washing machine driving mechanism greatly ensure washing effect, and meet the requirement for washing ratio.

The invention discloses a door sealing structure for a horizontal shaft washing machine and the horizontal shaft washing machine. The door sealing structure comprises a door plate, a washing machine body opening and a door sealing lip, wherein the washing machine body opening is formed in the door plate and is used for inputting clothes; the door sealing lip is arranged around the washing machine body opening and is made of an elastic material; a magnetic attraction structure capable of producing magnetic attraction force is arranged between the door plate and the door sealing lip; when the door plate is closed, the door plate and the door sealing lip are closely attached through the magnetic attraction force produced between the door plate and the door sealing lip, so that the sealing between the door plate and the door sealing lip is realized. The door sealing structure and the horizontal shaft washing machine have the advantages that the sealing property is good and stable, the door opening and closing of the washing machine are easy and convenient by the sealing structure using the magnetic attraction force, and the door sealing structure is extremely suitable for being used as the door sealing structure for the horizontal shaft washing machine.

The invention relates to a motor bearing lubricating structure for a wet operating pump. The motor for the wet operating pump comprises a sleeve, a stator component and a rotor component, wherein the sleeve is positioned between the stator component and the rotor component; a bearing is arranged between a rotating shaft of the rotor component and the bottom of the sleeve; and one or more fluid channels is / are formed on a bearing body. The invention also relates to a motor employing the bearing lubricating structure. The stator component is integrally and seamlessly connected with the sleeve through a pole shoe of the stator component; and a stator core of the stator component is connected with the pole shoe through a chase mortise structure in a matching mode. The fluid directly penetrates through the fluid channels and contacts and impacts the bearing, the problems that the bearing is dry in operation to generate high-degree wear and the temperature is raised are solved, and the service life of the motor bearing for the wet operating pump is greatly prolonged; and meanwhile, the motor for the wet operating pump is simple in structure, low in manufacturing cost and suitable for large-scale popularization and application in production.

The invention discloses an automatic material feeding system suitable for lathes of disc-type parts and a control method thereof, belonging to the field of lathe material feeding. In the automatic material feeding device of the automatic material feeding system for the lathes, a sliding plate penetrates in the square hole of a rectangular frame; a dovetail groove vertically arranged on the left plate surface of the slide plate is in sliding fit with a dovetail guide rail on the right plate surface of a fixed plate; the top surface of the fixed plate is fixed with the bottom surface of the rectangular frame; the front side surface of the fixed plate is fixedly provided with a limited block; a bar-shaped hole vertically arranged on the right part of the limited block is provided with a locating bolt in a penetrating mode; the locating bolt is fixed with the front side surface of the sliding plate; the output end of the controller is electrically connected with the input end of a double-piston cylinder; the side surface facing to the vertical side of a pressure lever, of a lifting plate, is provided with a first sensor; the output end of the first sensor is electrically connected with the input end of the controller; and a hydraulic chuck is electrically connected with the controller. In the automatic material feeding system, full-automation material feeding is realized, and the automatic material feeding system is suitable for popularizing and applying on a large scale.

The invention provides a multifunctional metal water-based antirust cleaning agent, and a preparation method and application thereof. The multifunctional metal water-based antirust cleaning agent disclosed by the invention is characterized by comprising 20-80wt% of wool fat and alkylol amine, and the balance of water, wherein the weight ratio of the wool fat to the alkylol amine is 1 to (1-3). The preparation method disclosed by the invention is characterized by comprising the following steps: mixing the wool fat with the alkylol amine in a reaction kettle, heating to 120+ / -10 DEG C, agitating and keeping the temperature for 60+ / -10 minutes; and stopping heating and cooling to 50-60 DEG C, and then adding quantitative water to the reaction kettle to evenly agitate. The multifunctional metal water-based antirust cleaning agent disclosed by the invention is suitable for metal processing, and metal rust protection and cleaning in the machinery manufacturing industry, and being used as an anti-rust additive.

The invention discloses a PN step of an LED (Light Emitting Diode) chip, the LED chip and a manufacturing method of the PN step. The LED chip comprises a substrate and an epitaxial layer which is formed on the substrate, wherein the epitaxial layer is provided with the PN step, the PN step is covered with an insulation passive film, the upper step surface of the PN step is a P type conducting layer, the lower step surface of the PN step is an N type conducting layer, and a PN step side surface is formed in a way that the upper step surface and the lower step surface are connected; the PN step side surface comprises a first connecting edge which is positioned on the upper step surface and a second connecting edge which is positioned on the lower step surface, the second connecting edge is positioned between the first connecting edge and the end part of the lower step surface, and the PN step side surface is a curved surface or an inclined surface. According to the PN step of the LED chip, the LED chip and the manufacturing method, which are disclosed by the invention, the covering effect of the insulation passive film on the LED chip is facilitated, the turn-on voltage of the LED chip is effectively increased, the leak current is reduced, and the luminous efficiency of the LED chip is effectively increased at the same time.

The invention relates to a clothes-washing method which comprises the following steps: a washing machine comprises a magnetic damper which is connected with a dehydration shaft sleeve in an arrangement mode, the magnetic damper is connected with the dehydration shaft sleeve in an arrangement mode, and the magnetic damper can produce damping force on the dehydration shaft sleeve. Under the working condition of washing, the damping force which is produced by the magnetic damper is adjusted to achieve adjustment of rotating speed on the dehydration shaft sleeve and further achieve washing output of different modes. Under the working condition of washing, the damping force which is produced by the magnetic damper is adjusted to achieve the adjustment of the rotating speed of the dehydration shaft sleeve to achieve the washing output of the different modes. According to different washing load conditions, a washing output mode is adjusted in real time, washing energy consumption is reduced to the maximum extent, and simultaneously an optimum washing effect is achieved.

The invention discloses a polyurethane TPU curtain lining layer and a preparation method thereof. A raw material formula of the polyurethane TPU curtain lining layer comprises the following componentsin parts by mass: 80-90 parts of a component A, and 10-20 parts of a component B; the component A comprises 60-65 parts of polyurethane TPU, 12-15 parts of carbon black and 8-10 parts of eriochrome black powder; the component B comprises 4-8 parts of vanadium dioxide, 3-6 parts of titanium oxide and 3-6 parts of nano-eggshell powder. With adopting of synergistic effect of polyurethane TPU and other components, the obtained product has particularly soft hand feeling, has good waterproofness and air permeability, can play roles of heat preservation and moisture retention, resists strong sunlight and infrared radiation, and has good light shading, water washing resistance, dry washing resistance, and outstanding light resistance, anti-aging and anti-bacterial properties. The preparation method is simple, mild in conditions and suitable for large-area promotion and application.

The invention provides a feed additive for preventing and treating infectious rhinitis of chicken. The feed additive is prepared from the following raw materials in parts by weight: 20 to 30 parts ofradix saposhnikoviae, 20 to 30 parts of radix angelicae dahuricae, 20 to 30 parts of herba taraxaci, 20 to 30 parts of flos chrysanthemi indici, 20 to 30 parts of radix platycodonis, 15 to 20 parts offlos magnoliae, 15 to 20 parts of radix scutellariae, 15 to 20 parts of cortex phellodendri, 15 to 20 parts of radix isatidis, 15 to 20 parts of honeysuckle flower, 15 to 20 parts of garlic, 15 to 20parts of fructus forsythiae, 15 to 20 parts of herba ephedrae, 15 to 20 parts of herba asari and 8 to 12 parts of liquorice root.

The invention relates to an extrusion blow molding machine electric mold opening and closing device and method based on mold electromagnetic attraction. A mold cavity half mold assembly and a mold core half mold assembly in the device are integrally mounted on a machine frame linear guideway through a first slider and a second slider on the mold cavity half mold assembly and the mold core half mold assembly, a bevel gear box and a servo motor are fixedly mounted on a bevel gear box mounting plate of a machine frame, one end of a first ball screw is connected with a first output shaft on the bevel gear box, the other end of the first ball screw is connected with a first screw nut on the mold cavity half mold assembly, one end of a second ball screw is connected with a second output shaft onthe bevel gear box, the other end of the second ball screw is connected with a second screw nut on the mold core half mold assembly, and an output shaft of the servo motor is connected with an inputshaft of the bevel gear box. The servo motor controls the mold cavity half mold assembly and the mold core half mold assembly to realize mold closing and mold opening, and the electromagnetic attraction effect is used, so that generation of a gap between the mold cavity half mold assembly and the mold core half mold assembly under the effect of compressed air is avoided. The invention has the advantages of being compact in structure, low in cost and stable and reliable in clamping process, and facilitating industrial modular application.

The invention relates to the technical field of dust depressor processing and discloses a preparation method of a dust depressor with a catalysis function. The method comprises the steps as follows: (1) dissolving a film forming substrate in water under the heating condition of 40-70 DEG C, adding a crosslinking agent after complete dissolution, and conducting a crosslinking reaction under the heating condition of 62-85 DEG C; (2) after the crosslinking reaction in step (1) is finished and a mixed solution is cooled to the room temperature, firstly, adding a nonionic surfactant, a dispersant and a defoaming agent to the mixed solution to be stirred, slowly adding a photocatalyst, and fully and uniformly stirring the mixture to obtain a finished product, namely, the dust depressor. The prepared dust depressor can effectively depress flying of rising dust on road surfaces and fix PM2.5 and NOx to a great extent and is long in service life and convenient to use.

The invention discloses a facility for treating desertification land and with an improved structure, and relates to the field of improvement equipment for desertification land. The facility comprisesan assembled greenhouse, a greenhouse frame is arranged in the assembled greenhouse, an inlet and outlet is formed in the front portion of the assembled greenhouse, and several ground grasping pins are arranged below the greenhouse frame; vertical hollow grooves are formed in the centers inside the ground grasping pins, bolts penetrate through the vertical hollow grooves, several placement groovesare formed in the two sides of each ground grasping pin, conical ground grasping nails are arranged inside the placement grooves, and internal horizontal grooves are horizontally formed in the conical ground grasping nails. According to the facility, the greenhouse frame can be more firmly fixed to the ground, and the conical ground grasping nails in the ground grasping pins can go deep into theground by simply screwing the bolts; the conical ground grasping nails dispersed into the ground firmly grasp the ground like tree roots, in this way, the phenomenon that the greenhouse frame is blownto be collapsed by wind due to poor fixity is avoided, and the wind resistance of the facility under severe weather is improved.

The invention discloses a keyboard and mouse supporting device suitable for an office chair. The keyboard and mouse supporting device is formed by a keyboard supporting assembly and a mouse supporting assembly, wherein the rear portion of a fixing part in the keyboard supporting assembly is fixed with the rear portion of a vertical connection board, and the front end of the vertical connection board is fixedly connected with the rear end of a first horizontal board. A second horizontal board and a guide rod are arranged in a rectangular gap on the right side of the first horizontal board, wherein an n-shaped block is fixedly arranged on the bottom surface of the second horizontal board. The mouse supporting assembly is arranged on the keyboard supporting assembly and comprises a mouse supporting board and a guide rail. The keyboard and mouse supporting device can be installed on the existing office chair conveniently and firmly, and a keyboard and a mouse can be arranged on the keyboard and mouse supporting device, so that office staff can conveniently operate the keyboards and the mice when sitting in the office chairs. In addition, by means of the keyboard and mouse supporting device, hands, necks, shoulders and waists of the office staff are all be in natural relax states, so that the office staff can be effectively prevented from suffering cervical spondylosis, shoulder vertebra diseases or lumbar spondylosis.

The invention discloses a bionic trapper comprising an upper part structure and a lower part structure. The upper part structure has a first hook, a telescopic cylinder, an external cylinder, a plurality of connection parts and a plurality of second hooks, wherein the bottom of the first hook and the top of the telescopic cylinder are fixed; the telescopic cylinder is embedded into the external cylinder; and the plurality of second hooks are connected to the external cylinder via the plurality of connection parts. The lower part structure comprises a plurality of warp loops and a plurality of weft loops intersected with the plurality of warp loops, wherein the warp loops and the weft loop form an external frame of the lower part structure; a chassis is mounted on the bottom of the lower part structure; an accommodating disc is mounted on the chassis; and the external frame is covered with a bionic spider web. The bionic trapper is simply structured and easy to carry, requires low cost and is suitable for large scale promotion and application; and collected insects can be easily recovered.

The invention discloses a stuffing device and method capable of eliminating air in stuffed food. The stuffing device comprises an egg tray, an extrusion die and a driving ring, wherein a plurality of hole groups are uniformly formed in the outside circumference of the egg tray; a striking head is arranged at the upper end of the right side of the egg tray; the striking head is fixedly arranged on a cylinder; an egg tube is inserted in a material accommodating cavity below the egg tray; lower end openings of the material accommodating cavity and the egg tube align to the center of the extrusion die respectively; the driving ring and a cutting die are arranged at the lower end of the extrusion die in sequence; each of the extrusion die and the cutting die is composed of a plurality of sliding blocks uniformly arranged along the same circumference, and a sliding chute is formed in each sliding block; and the driving ring is connected with the sliding blocks of the extrusion die and the sliding blocks of the cutting die through upper pins and lower pins inserted in the sliding chutes respectively. Semifluid food containing solid sandwiches therein can be processed and produced, and the air in the stuffed food can be extruded mechanically, so that the mildew of the product is prevented, simultaneously the mouthfeel and ornamental value of the food are improved, and the stuffing device is applicable for large-scale popularization and application.