286results about How to "Insulate the influence" patented technology

The invention relates to the field of air quality monitoring, in particular to an environmental simulation test box for quantitatively analyzing PM2.5 (fine particulate matter) absorbing capability of plants. The environmental simulation test box comprises a closable box body, a PM2.5 generator, a PM2.5 measuring device, a constant-temperature constant-humidity device, a lighting simulating device, a raining simulating device and a wind simulating device, wherein the PM2.5 generator and the PM2.5 measuring device are communicated with the box body, and the constant-temperature constant-humidity device, the lighting simulating device, the raining simulating device and the wind simulating device are disposed in the box body. By the structure, influences of natural environments can be isolated, environmental parameters can be simulated quantitatively, and accordingly PM2.5 absorbing capability of plants can be measured accurately, and scientific and effective basis is provided for quantifying PM2.5 absorbing capability of various plants and forest planting selection.

The invention provides a stable simvastatin oral tablet which is prepared from the following components in percentage by weight: 10-20% of simvastatin, 0.01-0.04% of antioxidant, 0.5-2.0% of acidifier, 70-80% of filler, 5-10% of disintegrant, 1-1.2% of lubricant and 0.5-2% of binder. The invention also provides a method for preparing the stable simvastatin oral tablet. By strictly controlling the moisture of a finished product, the doses of the antioxidant and acidifier in the components are obviously reduced, the product stability is better, and the safety is higher.

The invention provides a device and method for measuring the oil consumption of an engine. The measuring device is composed of an oil filling tank, an observation window, an oil drain valve, an oil collecting tank, a vent pipe, a lifting platform, a camera, an electronic scale and the like. During measurement, when the working condition is in stable operation, the engine oil liquid level is relatively stable, and an oil level line which is flush with a valve opening in a visual oil level pipe is used as the basis reference. On the basis of the variation of the relative quality of engine oil added into the engine within a testing time period, the oil consumption of the engine within the testing time period is tested, and the relative variation of the oil weight is accurately measured through the accurate measurement and the zero clearing operation of the electronic scale. Meanwhile, measurement is conducted under the state that the engine is not stopped, the influence of operation condition difference of the engine and the oil storage amount difference of a filter under different working conditions on the oil consumption measurement result is avoided, and the measurement precision of the oil consumption of the engine is improved. In the testing process, it is guaranteed that the oil in the engine is placed above the normal operation liquid level, and the engine is prevented from being damaged.

The invention discloses a sampling drilling tool with a coring tube of a multi-rod deep sampler. The sampling drilling tool comprises a drill pipe, the coring tube and a drill tool butt joint component, wherein the drill tool butt joint component comprises a force transmission joint, a coring tube butt joint, a drill pipe butt joint and a butt joint spring, the coring tube is of a thin-wall cylindrical structure, the inner wall of the coring tube is a smooth equal diameter cylinder, anti-falling covers are respectively installed at the bottom and the top of the inner wall, samples enter from the anti-falling covers, the anti-falling covers prevent the samples from falling; the interior of the drill pipe is a cylindrical cavity, a cylindrical cavity is arranged at the lower end of the top end joint of the drill pipe, two symmetrical grooves are axially formed in the cavity, the upper section of the joint is conical, the top of the cone is a circular bead, two symmetrical bulges are arranged in the cylindrical cavity at the bottom end of the drill pipe and are matched with symmetrical grooves of the top joint of other drill pipe, and the bottom end of one drill pipe is locked together with the top end of other drill pipe through a steel ball. By adopting the manner of butt joint by multiple drilling tools, the sampling drilling tool realizes deep sampling, and each drilling tool can be reused.

The invention discloses an antiflaming arc prevention fabric which comprises an anti-static antiflaming layer on the surface layer and a heat isolation comforting layer on the inner layer, wherein the anti-static antiflaming layer is mutually woven of warp yarns and weft yarns; the warp yarns are formed by blending polyaniline conductive fibers and aramid fibers; the weft yarns are formed by blending polypyrrole conductive fibers and polyester fibers; and the heat isolation comforting layer is woven of ramie and cotton blended fibers. Due to blending and weaving of the conductive fibers and the antiflaming insulating fabrics, the anti-static antiflaming fabric can be formed, is high in antiflaming property and can prevent static electricity; by the fabric woven of the high temperature resistant and high heat dissipation the ramie and cotton blended fibers, influence of high temperature on a human body can be avoided; and on the fabric, people feel cool, soft and comfortable.

The invention relates to the technical field of display, and discloses a preparation method of a bottom emitting top gate self-aligning thin film transistor. The preparation method comprises the stepsthat a light shading layer, a first buffer layer covering the light shading layer and a deposited active layer which are formed on an underlying substrate in turn. The preparation method also comprises the steps that a first metal layer is deposited on the active layer, and the active layer and the first metal layer are patterned by using a two-tone mask plate so that an active island and a metalbuffer layer are formed through the primary composition process; and source and drain electrodes are formed on the metal buffer layer. The active layer does not need to be conductive, the parasitic resistance between the channel region and the source and drain electrodes can also be effectively reduced, and the number of the mask plate is not increased so that the technological process of the device can be simplified, the production cost can be saved, the metal buffer layer and the light shading layer are cooperated to effectively prevent the influence of the light on the channel region and the LDD region, the illumination stability of the top gate device can be improved, the problem of appearing of the residual image in display can be avoided and the efficiency of the technological process and the product yield rate can be enhanced.

The invention discloses a magnetic refrigeration material compound with a high magnetic entropy change and its preparation method. With a chemical composition formula of (La0.7Ca0.2Tm0.1)Mn1-xMxO3, the magnetic refrigeration material compound in the invention employs the structural system of manganese perovskite LaMnO3 as a matrix, adopts Ca and Tm as matrix component ions, and takes M as a point defect controlled doping ion, wherein, the x is greater than 0 and smaller than or equal to 0.1. And the greatest magnetic entropy change of the compound is greater than or equal to 5.0J/kg.K under a 5T magnetic field. In the invention, doping of ions of different valences and atmosphere treatment are employed to regulate and control point defects. The magnetic refrigeration performance of the compound is improved by controlling electron transport in a crystal structure and interionic spinning electron coupling effect, thus obtaining a high Curie transition point and good material usage performance. Therefore, the magnetic entropy change value of the compound can be enhanced by about an order of magnitude, and the compound of the invention has the characteristics of high material stability, no toxic or side effect, simple operation process, and low cost, etc.

The invention discloses an electric power heat insulation type insulator insulation shielding cover. The electric power heat insulation type insulator insulation shielding cover comprises an insulator shielding cover, a shielding cover covering plate, and a suspension clamp shielding cover, the insulator shielding cover is arranged in the U shape, edges of two side surfaces of the insulator shielding cover are provided with first fixing holes, the inner side of the lower part of the insulator shielding cover is provided with a base connecting groove, the insulator shielding cover is movably connected with the suspension clamp shielding cover via the base connecting groove, the shielding cover covering plate is arranged in the T shape, the shielding cover covering plate is provided with second fixing holes corresponding to the first fixing holes, the central part of the suspension clamp shielding cover is provided with a U-shaped metal shielding cover, the external surface of the metal shielding cover is provided with a U-shaped slipway, the inner part of the metal shielding cover is provided with wire clamp fixtures, and surfaces of the insulator shielding cover, the shielding cover covering plate, the suspension clamp shielding cover, and the metal shielding cover are all coated with high-temperature-resistant and wear-resistant insulation paints. According to the electric power heat insulation type insulator insulation shielding cover, the structure is simple, the operation is convenient, the shielding effect is good, and the safety factor is big.

The invention discloses a device for realizing online transaction asynchronous processing based on a database. The device comprises an internal gateway, a service processing device, a field retaining device, an information sending device, an information receiving device and an external gateway, wherein the field retaining device is connected with the internal gateway through the service processing device and is connected with the external gateway through the information sending device or the information receiving device; and the field retaining device stores scenes in an information sending stage and recovers the scenes in an information returning stage to realize the asynchronous processing of an online transaction. The invention also discloses a method for realizing the online transaction asynchronous processing based on the database. By using the device and the method, the influence on the online transaction processing system of a commercial mechanism is reduced when online transaction processing systems of other cooperation commercial mechanisms are abnormal; and the reliability and the service efficiency of the online transaction processing system of the commercial mechanism are improved.

The invention discloses an engine low-pressure simulation testing platform. The engine low-pressure simulation testing platform comprises an airtight case body. A temperature adjusting device, an air pressure adjusting device, and an engine cooling device are disposed on the case body. A dynamometer, a dynamometer cooling device, and an engine oil supplying device are disposed in the case body. The engine low-pressure simulation testing platform is capable of simulating a low-atmospheric-pressure environment of a plateau at a low-altitude area and provides convenience for engine test.

The invention discloses a wire feeding mechanism for fused deposition additive manufacturing of flexible wires, and belongs to the technical field of 3D printing. The wire feeding mechanism solves the problem that in an existing fused deposition method 3D printing wire feeding mechanism, when relatively-soft flexible materials are printed, the phenomena of wire winding and wrapping are prone to being generated. According to the wire feeding mechanism, a driving gear and a driven gear are precisely located in a clearance fit manner or through fixing bolts; a throat pipe is arranged between the driving gear and the driven gear; the top face of the throat pipe is not lower than the lower edge of the driving gear; the throat pipe is made of a heat insulation material; the lower portion of the throat pipe is detachably connected with a material storage device; a feeding opening is formed in the position, close to the throat pipe, of the bottom of the material storage device; the bottom of the material storage device is detachably connected with a nozzle; and the top of the nozzle communicates with the feeding opening of the material storage device. According to the wire feeding mechanism, the phenomena of wire winding and wrapping of TPU and other flexible materials on a common fused deposition method 3D printing machine are avoided, and 3D printing of the flexible materials can be carried out smoothly. Normal printing can still be achieved when the HA of the flexible materials can be reduced to 60.

The invention belongs to the field of medical apparatus and instruments and discloses a medical portable refrigerator comprising a refrigerator body, a refrigerator cover, a biological ice box, a test tube fixing plate and fixed strips; the upper surface of the refrigerator body is in contact with the lower surface of the refrigerator cover; the edge of the refrigerator body is connected with the edge of the refrigerator cover through a zipper; the biological ice box is vertically distributed inside the refrigerator body in a way of keeping to the side; the test tube fixing plate is arranged in a space defined by the biological ice box; the refrigerator body is sequentially composed of a insulation layer and a vacuum layer from outside to inside; the plurality of fixed strips are arranged in the refrigerator body; a plurality of guide slots are formed in the surface of the biological ice box; and the left and right sides of the test tube fixing plate are at least provided with two marbles. Due to the adoption of a double-layer insulation design of the insulation layer and the vacuum layer, the medical portable refrigerator can be used as a short-term refrigerator for drugs, vaccines and test tube reagents; and the medical portable refrigerator is simple in structural design, low in manufacturing cost, particularly suitable for medical personnel in the countryside and also convenient to use in the open.

The invention discloses an isolation process repairing method for ecological repairing of a red mud stock yard. The method comprises the following steps: turning, digging and flattening red mud at thered mud stock yard so as to form a loosening layer, applying an acid substance to the surface of the red mud, neutralizing alkalinity of the red mud so as to form a neutral layer, laying graded broken stone or a geotechnique material on the surface of the neutral layer so as to form a capillary tube isolation layer, laying a medium essential for plants to grow on the surface of the capillary tubeisolation layer so as to form a medium layer, and planting plants on the medium layer so as to form a vegetational community layer. By adopting the isolation process repairing method for ecological repairing of the red mud stock yard, the effective capillary tube isolation layer is constructed on the surface of the red mud, so that the influence of high salt and alkalinity of the red mud upon plants planted on the surface of the red mud can be fundamentally avoided, living bases and growth effects of the planted plants can be ensured, and furthermore, problems of ecological repairing of the red mud stock yard can be effectively solved.

The invention relates to a mounting and locking mechanism of an automatic vending machine sealing door. An open hole is formed at the lower end of the front end face of each goods bin, a hook is mounted on the inner side of a valve opposite to each open hole in position, and enters the corresponding open hole to be closely connected with a swinging, rotating, tensioning and closing device mounted at the bottom of the corresponding goods bin, each swinging, rotating, tensioning and closing device can enable the corresponding valve to be closely connected on the front end face of the corresponding goods bin in an abutted manner, a trigging connecting rod is mounted on the inner side of each valve, and a switch is mounted in the side wall, opposite to the corresponding triggering connection rod in position, of each goods bin, and connected with a control module. The valves and the goods bins are matched with each other, and the valves have excellent heat insulating performance, so that hot air or cold air in the goods bins is enabled to be less prone to leaking, and safe storage of articles in the goods bins is guaranteed; a connecting structure between each valve and the corresponding goods bin is simple and convenient to operate, simple in structure and low in manufacturing and mounting cost; the valves and the goods bins are in close fit, so that further heat insulation effect is realized, and the integral structure is enabled to be more safe.

The invention discloses nitrogen filling vacuum pressure impregnation equipment and method. The equipment comprises a nitrogen preparation device, a paint impregnating vessel, a vacuum unit, a paint storage tank and an exhausting and recovering system. The nitrogen preparation device is connected with the paint impregnating vessel through a pressurizing pipe, and a pressurizing valve is arranged on the pressurizing pipe. The paint impregnating vessel is connected with the vacuum unit through a vacuum pipe, and a vacuum valve is arranged on the vacuum pipe. The bottom of the paint impregnating vessel is connected with the bottom of the paint storage tank through a paint conveying pipe, and a paint conveying valve is arranged on the paint conveying pipe. The paint impregnating vessel is connected with the exhausting and recovering system through an exhausting pipe, and an exhausting valve is arranged on the exhausting pipe. The technical problems that existing vacuum pressure impregnation processes are not good in impregnation effect and high in using cost, output pressure is not easy to control, and solvent waste and environment pollution are liable to occur are solved.

The invention discloses an efficient silicon solar module, which comprises a tempered glass layer, an ethylene-vinyl-acetate (EVA) layer I, a silicon layer, an EVA layer II and a back plate, wherein at least one antireflection film also coats the outer surface of the tempered glass layer; the thickness of each antireflection film is d; d=(n+0.25)lambda; lambda is 400-760nm; the exposed surface of the EVA layer I is a high-transmittance modified EVA plastic layer coated with an oxygen barrier layer; the exposed surface of the EVA layer II is a thermally stably modified high-heat dissipation EVA plastic layer coated with the oxygen barrier layer; and the back plate is in a multi-layer structure. The efficient silicon solar module has the advantages of stable structure, high solar utilization efficiency and high generation efficiency, and simultaneously has good heat dissipation property.

The invention discloses a broadband coplanar waveguide semi-elliptical slot antenna array structure in millimeter wave antenna level packaging, relates to the technical field of antenna arrays, and solves the problem of how to design an antenna array which is large in array bandwidth, high in gain, easy to integrate and suitable for a narrow, long and straight scene. The antenna comprises an antenna array radiation assembly, an antenna array feed assembly and a GCPW-to-CPW transition structure. The antenna array feed assembly excites a corresponding antenna unit through a GCPW-to-CPW transition structure and a rectangular CPW feed line. The antenna unit comprises an etched semi-elliptical gap of a first metal grounding plate on the upper surface of a microwave dielectric substrate and an open-circuit fan-shaped branch knot. The semi-elliptical gap is a gap etched by the fan-shaped outer edge of the fan-shaped branch knot and the first metal grounding plate; the distance between the midpoint of the chord corresponding to the fan-shaped arc of the open-circuit fan-shaped branch knot and the surrounding first metal grounding plate is gradually changed according to a semi-ellipse, andcompared with a traditional circular and elliptical slot structure, the slot width is reduced, the array radiation effect is improved, and the array bandwidth and gain are larger.