31results about How to "Avoid high" patented technology

The present disclosure relates to a polyimide-graphene composite material and a method for preparing same. More particularly, it relates to a polyimide-graphene composite material prepared by adding modified graphene and a basic catalyst during polymerization of a polyimide precursor so as to improve mechanical strength and electrical conductivity and enable imidization at low temperature and a method for preparing same.

An omnidirectional camera comprises two or more camera units 6, 7, a camera assembly 2 in which the two or more camera units are mounted, a heat shield cover 4 to accommodate the camera assembly, a heat insulating member interposed between the camera assembly and the heat shield cover, a space formed between the camera assembly and the heat shield cover, a required number of slit 36 formed in the heat shield cover and extending in up-and-down direction, and in the omnidirectional camera, the space communicates with an outside through the slit.

The invention discloses a water mixing device for an automatic constant-temperature water mixing valve. The water mixing device comprises a cold water inlet, a hot water inlet, a mixing chamber, a mixed water outlet and a water current vortex generator, wherein cold water and hot water flow into the water current vortex generator from the cold water inlet and the hot water outlet respectively to generate spiral movement and generate vortex movement in the mixing chamber, so that the cold water and the hot water are uniformly mixed quickly. A vortex water mixer for the automatic constant-temperature water mixing valve, disclosed by the invention, has the advantages of small size, low cost and simple structure, and ensures that a temperature sensor of an automatic constant-temperature water mixing valve correctly reflects the temperature of uniformly-mixed cold water and hot water. By adopting the automatic constant-temperature water mixing valve adopting the water mixing device, the phenomenon of variable temperature of drained water is overcome.

An anti-glare film comprises an anti-glare layer having a ridge on a surface thereof. The ridge is formed by phase separation of a plurality of resin components, and the ridge has a branched structure and a total length of not less than 100 pl, and one or more of the ridges per square millimeter exist on the surface of the anti-glare layer.

An integrated power generation system for reducing carbon dioxide emissions is provided. The integrated system comprises a gas turbine having an air inlet, a fuel inlet and an exhaust gas outlet; a steam-assisted gravity drainage (SAGD) boiler having an inlet connected to the exhaust gas outlet of the gas turbine, a fuel inlet, an optional air inlet, and a flue gas outlet; and a carbon dioxide capture system connected to the flue gas outlet of the SAGD boiler. A method for capturing the carbon dioxide exhausted from a gas turbine and a SAGD boiler is also provided.

The embodiment of the invention discloses a face image fuzziness computing method and device which prevent a high local gradient value due to strong light by normalizing the local gradient value of each pixel, which prevent an increase in the local gradient value due to plenty of background texture by assigning different weighted values to pixels of a face or background; and which prevent influence of the noise of image acquisition equipment on fuzziness evaluation by introducing gradient density. The method may overcome influence of light change and the noise of background and acquisition equipment, objectively and accurately evaluate image quality, and is good in robustness.

The invention provides a copper smelting hazardous waste co-processing and valuable metal comprehensive recovery method which comprises the following steps of firstly, carrying out atmospheric pressure-pressurization two-stage countercurrent leaching on copper smelting smoke to obtain atmospheric pressure leachate and lead-silver-bismuth slag, and carrying out electrodeposition pre-copper removalon the atmospheric pressure leachate to obtain electrocoppered and pre-decoppered liquid; then adding arsenic sulfide slag into the pre-decoppered liquid for replacement and copper precipitation to obtain copper sulfide concentrate and copper precipitation post-liquid; and introducing SO2-containing flue gas into the copper precipitation post-liquid for reduction and arsenic precipitation, and obtaining arsenic trioxide and arsenic precipitation post-liquid. According to the copper smelting hazardous waste co-processing and valuable metal comprehensive recovery method provided by the invention, the waste residue recycling and harmless processing degree is high, the valuable metal comprehensive recovery effect is good, no waste acid, waste water or hazardous solid waste is generated in thewhole process, a new path is provided for copper smelting hazardous waste co-processing, and wide application prospects are achieved.

The invention relates to a method for synthesizing a repaglinide key intermediate, namely 4-ethoxycarbonyl-3-ethyoxy phenylacetic acid. The method comprises the following steps: by taking 3-ethyoxy-4-ethoxycarbonyl-benzyl cyanide as an initial raw material, performing hydrolysis, esterification, selective hydrolysis and the like, thereby obtaining the important intermediate 4-ethoxycarbonyl-3-ethyoxy phenylacetic acid of repaglinide. According to the key intermediate, the impurities of the product is less, the purity of the product is high and can reach over 99.7%, so that the quality of the subsequently synthesized repaglinide product is improved, the 100 percent first-pass yield of the subsequently synthesized repaglinide product can be basically reached, a refining step is avoided, and the synthetic yield is effectively improved. The process is easy and convenient to operate, the yield is high, the molar yield is 69.1 percent, the production cost is low, and the method is suitable for industrial production.

The invention discloses a method of lotus root early cultivation. The method comprises the steps of firstly, breed quality: most of lotuses of white lotus roots are white, and 2500 to 4500 kilograms of lotuses are produced for each 667 square meters; secondly, preparation of lotus root seeds: complete lotus roots with parent-offspring lotus root buds are selected as seeds; thirdly, preparation of lotus root pool: plots with pure spring water and convenience in water inlet/outlet on both sides of river water are selected, and the pH value is 6.5 to 8; and fourthly, planning and management of fertilizer: fertilizer is designed according to producing 5000 kilograms of lotus roots for each 667 square meters, each kilogram of carbon can produce 10 kilograms of fresh stalks and 10 kilograms of lotus root, and lotus root accounts for 50 percent. The method has the advantages of lower investment and better economic benefit.

The invention relates to a spiral plate end surface welding device. The spiral plate end surface welding device comprises a portal frame, a rotating platform connected with the portal frame, a rotation driving device arranged on the portal frame and used for driving the rotating platform to rotate, a horizontal operating platform arranged on the rotating platform, a transverse linear module arranged on the horizontal operating platform, a welding gun arranged on the transverse linear module and a transverse driving device arranged on the transverse linear module and used for driving the transverse linear module to act, wherein a rotating bearing is arranged on the portal frame; the rotating platform is fixedly mounted on the rotating bearing; the rotation driving device comprises a rotating speed reducer arranged on the portal frame, a rotating servo motor connected with the rotating speed reducer and a rotating gear arranged on an output shaft of the rotating speed reducer. The spiralplate end surface welding device is used for welding spiral plates and has the characteristics of rapid welding speed, low welding cost and high operating efficiency.

The invention provides water-based paint for outdoor metal furniture. The water-based paint is prepared from, by weight, 40-70 parts of fluorocarbon-modified acrylic resin, 5-20 parts of water, 5-20 parts of cross-linked resin, 3-8 parts of matting powder, 1-3 parts of thickener and 0-5 parts of other auxiliaries. The water-based paint for the outdoor metal furniture has excellent weather resistance, water resistance and impact strength, can have excellent adhesion to metal substrates, has the advantages of excellent stain resistance, corrosion resistance and full film coating and can well meet the performance requirements of the outdoor metal furniture. The invention also provides a preparation method of the water-based paint for the outdoor metal furniture.

The invention discloses a radio frequency frontend standing wave protection circuit which comprises a switch, a small signal load end and a radio frequency output link. The switch is a single-pole double-throw switch, the single end of the switch is a radio frequency signal input end, one end of the double-throw end corresponds to the radio frequency output link end, the other end of the double-throw end corresponds to the small signal load end, the switch is thrown to the radio frequency output link end under the normal working condition of the radio frequency output link, and input small signals are radiated out through the radio frequency output link; the switch is thrown to a load end, outputs small signals in a heat dissipation mode, and protects the radio frequency front-end module.The switch is introduced into the input end of the radio frequency front-end module, signal input can be completely cut off under the condition of open circuit or large standing wave, and high heat consumption of the isolator load end caused by long-time open circuit is avoided.

The invention provides a vehicle door inner plate and a vehicle with the same, the vehicle door inner plate comprises a vehicle door inner plate body, the vehicle door inner plate body is provided with a window convenient for installing of parts, and the window is provided with a reinforcing structure; the reinforcing structure comprises a reinforcing panel which is consistent with the curved surface of the vehicle door inner plate body; a first bent part is arranged at the upper part of the reinforcing panel; a first mounting hole is formed in the first bent part; the first bent part is fixedto the upper edge of the window through a fastener arranged in the first mounting hole, the lower part of the reinforcing panel is provided with a second bent part, the second bent part is provided with a second mounting hole, and the second bent part is fixed to the lower edge of the window through a fastener arranged in the second mounting hole. The specific reinforcing structure is installed on the window of the vehicle door inner plate, mounting of other parts is not affected, the rigidity of the vehicle door inner plate can be improved, and the situation that a vehicle door protection plate makes an abnormal sound when a vehicle runs on a twisted road, and the driving experience is affected is avoided.

The invention discloses a hydraulic circuit capable of accurately controlling a lifting height of a movable arm of an excavator. The hydraulic circuit comprises a pilot-operated pump, a pilot-operated control valve, a limiting control valve, a main pump, a main hydraulic control valve and a movable arm oil cylinder, wherein an output end of the pilot-operated pump is communicated with an oil inlet of the pilot-operated control valve; a first oil outlet of the pilot-operated control valve is communicated with a first hydraulic control opening of the main hydraulic control valve through a limiting control valve; a second oil outlet of the pilot-operated control valve is communicated with a second hydraulic control opening of the main hydraulic control valve; an output end of the main pump is communicated with an oil inlet of the main hydraulic control valve; two oil outlets of the main hydraulic control valve are respectively communicated to front and rear cavities of the movable arm oil cylinder; a limiting pressing plate is arranged at one side of a piston rod of the movable arm oil cylinder and corresponds to the position of a contact of the limiting control valve; and when the movable arm is lifted to the pre-set height, the limiting pressing plate is pressed on the contact of the limiting control valve to lock the movable arm. The movable arm of the excavator is accurately positioned, the labor intensity is reduced and the working efficiency of the excavator is improved.

The invention discloses a method for middle-late-stage cultivation of lotus roots. The method includes the following steps: (1) water supply, wherein water is controlled not to cover leaves at the early stage, a field is covered by the leaves at the middle stage, the field is covered by dead leaves at the late stage to be kept moist and warm, and the application amount of nitrogenous fertilizer is controlled to prevent the leaves from growing too vigorously; (2) disease prevention, wherein 2kg of copper sulfate is applied every 667 square meters to kill germs 15 days before planting if decayed lotus roots, lotus roots with yellow cores and lotus roots infected with tan diseases are found every time the lotus roots are planted for three times; (3) tip conditioning, wherein stems are conditioned, namely, the stems are made to grow directionally 15 days after seeding, and the stems can be bent back slightly by hand if the stems are too close to the edge of a weir; (4) deinsectization, wherein egg masses and larvae of prodenia litura are caught and killed manually; (5) harvesting, packaging and storage and transportation. The method for middle-late-stage cultivation of the lotus roots is little in investment and good in economic benefit.

The invention provides a line pressing device for a hot runner nozzle heater. The line pressing device comprises a driving line pressing wheel, a driven line pressing wheel and a motor for driving the driving line pressing wheel to rotate, wherein the driving line pressing wheel and the driven line pressing wheel are arranged up and down at a distance; the driven line pressing wheel is supported by a movable bracket; the driving line pressing wheel is rotationally supported on a bracket, and further connected with an output shaft of the motor in a transmission way; and the movable bracket drives the driven line pressing wheel to move back and forth in a direction perpendicular to the driving line pressing wheel. The line pressing device for the hot runner nozzle heater solves problems that the heat runner body is distorted, or even broken due to uneven stress of a heat runner nozzle body, and is low in the working efficiency. Furthermore, the products have a smooth attractive appearance, the product quality is effectively promoted, and the service lives of the products are prolonged.

The invention discloses an anti-collision lifting pile for a garage. The anti-collision lifting pile comprises a first lifting part, a second lifting part, a first telescopic part, a second telescopic part and a third telescopic part, the first lifting part is connected with the second lifting part in a buckled mode, an elastic part is arranged at an opening of the second lifting part and faces the first lifting part, and the first telescopic part is connected with the first lifting part and the second lifting part. The second telescopic part and the third telescopic part are connected with the first telescopic part; the first telescopic part stretches out and draws back to enable the first lifting part to be away from or close to the second lifting part. When a user backs up, the vehicle gets close to and abuts against the lifting pile, the first lifting part receives the acting force of the vehicle, the first lifting part gets close to the second lifting part, the elastic part applies the acting force to the first lifting part, and meanwhile the second telescopic partand the third telescopic part support or pull the first lifting part so that the acting force applied by the vehicle can be counteracted. The vehicle is prevented from directly touching objects such as a rear wall body, and the vehicle is prevented from being damaged.

A process for producing gaskets with an improved channel for use in matched syringe and plunger systems, preferably prefilled plastic syringe systems. In particular, an improved process for making and inspecting continuous channels in a gasket film by laser treatment. The gaskets are useful in matched syringe and plunger systems with high and consistent container closure integrity (CCI), and consistent break loose and glide forces over time, and sealability.

The invention discloses a monitoring device having a protective structure and used for a rotating machine under a radiation environment. The monitoring device comprises a base table, a rotary disc anda horizontal plate, a motor fixing frame is inlaid inside the base table, a motor is installed on the inner side of a black chromium coating, a heat transfer pipe penetrates through the interior of along groove, a transmission shaft is connected to the upper surface of the motor, a fixed blade is mounted on the upper surface of the rotary disc, and a communicating rod is connected to the upper end of the fixed blade. Supporting columns are arranged on the left and right sides of the rotary disc, a rotation speed detector non-contact module is arranged on the inner side of a placing table, asliding rail is arranged on the lower surface of the horizontal plate, and one end of the horizontal plate and the upper end of the corresponding supporting column are welded. The rotary mechanical monitoring device is provided with protective measures, the service life of the device is prolonged, the fixing and heat dissipation effect of the motor in the rotating machine is good, and faults can be detected and repaired in time when the motor breaks down.

The invention provides an intelligent control lifting pile for a garage, which comprises a first lifting part, a second lifting part, a first telescopic part, a second telescopic part and a third telescopic part, the first lifting part is connected with the second lifting part in a buckled mode, an elastic part is arranged at an opening of the second lifting part and faces the first lifting part, and the first telescopic part is connected with the first lifting part and the second lifting part. The second telescopic piece and the third telescopic piece are connected with the first telescopic piece; the first telescopic piece stretches out and draws back to enable the first lifting piece to be away from or close to the second lifting piece. When a user backs up, the vehicle gets close to and abuts against the lifting pile, the first lifting piece receives the acting force of the vehicle, the first lifting piece gets close to the second lifting piece, the elastic piece applies the acting force to the first lifting piece, and meanwhile the second telescopic piece and the third telescopic piece support or pull the first lifting piece so that the acting force applied by the vehicle can be counteracted. The vehicle is prevented from directly touching objects such as a rear wall body, and the vehicle is prevented from being injured.