56results about How to "Effective spread" patented technology

The invention relates to a light guide plate and a backlight module. The light guide plate comprises a first surface, a second surface and an incident surface, wherein the second surface is opposite to the first surface; the incident surface is connected with the first surface and the second surface and is provided with a plurality of arc-shaped bulges and a plurality of V-shaped grooves; the V-shaped grooves and the arc-shaped bulges are formed alternately and are adjacent mutually; connecting lines of the V-shaped grooves and the arc-shaped bulges which are adjacent form a virtual surface; and the arc-shaped bulges and the V-shaped grooves are positioned on both sides of the virtual surface respectively. The invention also provides a backlight module using the light guide plate. By the light guide plate, the integral light-emitting uniformity of the backlight module can be improved.

The invention discloses a self-flow type large-area batching mix for a revolving furnace and methods for preparing and using the self-flow type large-area batching mix. The batching mix consists of the following components in part by weight: 50 to 70 parts of aggregate, 20 to 30 parts of fine powder, 10 to 20 parts of micro powder, 1 to 10 parts of binding agent, 2 to 20 parts of burning promoter, 0.1 to 0.5 part of detonation inhibitor and 0.1 to 4 parts of thickening agent, and the sum of the parts of the aggregate, fine powder, micro powder and binding agent is 100; the aggregate and the fine powder are one or both of the medium-grade magnesia with the MgO content of more than or equal to 95 percent and the first-grade magnesia with the MgO content of more than or equal to 92 percent, and the grain sizes are more than 0.088mm and less than or equal to 5mm and less than or equal to 0.088mm respectively; and the micro powder is the mixture of SiO2 micro powder and active alpha-Al2O3 micro powder. The preparation method comprises the following steps of adding the aggregate, fine powder, micro powder and binding agent in a forced mixer, stirring for 5 to 8 minutes, adding the burning promoter, detonation inhibitor and thickening agent, and stirring the mixture for 3 to 5 minutes. The using method comprises the following steps of putting the batching mix in a mixer, performing dry mixing on the batching mix for 2 to 3 minutes, adding water in an amount which is 8 to 15 percent of the weight of the batching mix, uniformly stirring the mixture for 4 to 5 minutes, discharging, and adding the batching mix into the revolving furnace within one hour. The batching mix is low in cost, high in sintering property, long in service life and long in standing time.

The invention belongs to the field of perovskite solar cells, in particular to a preparation method of a large-area perovskite thin film and a battery module thereof. The preparation method comprisesthe following steps of: cleaning a transparent conductive substrate and drying for standby; depositing a tin oxide electron transport layer by chemical bath method; performing uniform coating and depositing of the perovskite precursor solution by slit extrusion-scraping method, and then obtaining the perovskite absorbing layer by a spin-coating moving droplet antisolvent method; using a green solvent to prepare a Spiro-OMeTAD solution, preparing the hole transport layer on the perovskite light-absorbing layer by a slit extrusion scraping method, and evaporating the metal electrode on the holetransport layer. As the precursor solution of the perovskite deposit is extruded and scraped by the slit, the perovskite solution can be spread effectively and the consumption is saved; the antisolvent can be uniformly dropped on the perovskite film by moving the antisolvent droplet, which can effectively widen the extraction area of perovskite film and save the use of antisolvent.

The invention belongs to the technical field of slime water treatment and specifically relates to a parabolic grading concentration tank. The invention designs the grading principle according to the difference of parabolic tracks of coal slime particles in different shape, weight and size in a liquid medium. The parabolic grading concentration tank at least comprises a drug adding system, a feeding system, a concentration tank body, a first draining mud-lagging plate unit, a second draining mud-lagging plate unit, a first adjustable vibrating plate device and a second adjustable vibrating plate device; the quantitative addition of the drug can be realized in a manner of mixing the drug with the ore pulp once while passing by an annular drug disperser; the ore pulp after being mixed once can be added again according to the practical requirement by a secondary dosing pipe in the feeding system; a big horn-shaped drug dispersing port and a surrounding zigzag structure thereof can violently disperse the ore pulp flowing out of a small horn-shaped dispersing port; the slime water is deeply cleared by a free settling area formed by encircling of an annular separating plate in the concentration tank body. The parabolic grading concentration tank has the advantages of simple structure, low construction cost, low maintenance load, obvious effect, and the like.

The invention discloses a portable heat flow insulating device for actual fire scenes. The device solves the problem that firefighters and trapped persons in a fire scene have life risk in a high heatradiation environment. The device comprises a trolley, a water tank and a heat flow insulating mechanism, wherein the heat flow insulating mechanism comprises a steel wire net rack, a water conveyinghose, a water pump and a water spraying assembly, wherein the steel wire net rack is placed in the fire scenes to generate water curtains to reduce radiation heat flow, the water conveying hose is connected with the water tank, the water pump is arranged on the water conveying hose, and the water spraying assembly is arranged in the steel wire net rack, connected with the water conveying hose andused for spraying the sector-shaped water curtains onto the steel wire net rack; and the water pump is fixed at the top of the water tank, the water pump pumps clean water in the water tank to the water spraying assembly through the water conveying hose, and the water spraying assembly sprays the clean water conveyed by the water conveying hose onto the steel wire net rack in a sector shape and makes the steel wire net rack continuously generate uniform water curtains to reduce the radiation heat flow of the fire scenes. The device can be used in fire scene rescue equipment, and has the characteristics of heat flow insulation, light weight, movable performance, long fire resistance time, good heat resistance effect and the like.

The invention discloses oxidation-resistant high energy density magnesium alloy for 500-600 degrees and a process thereof. The alloy comprises the following components by weight: Li: 2.0-3.0%, Al: 5.0-6.0%, In: 1.0-1.2%, Zn: 2.5-2.8%, B: 0.10.2%, Sn: 1.0-1.2%, Bi: 5.0-6.0%, Sb: 2.4-2.5% and the balance magnesium. A multi-element near-eutectic alloy solution for the oxidation-resistant high energydensity magnesium alloy for 500-600 degrees in the field of alloy energy storage is provided. Alloy melt has excellent oxidation resistance, thermal cycle performance and thermophysical performance. The alloy can effectively overcome the defect of innovation shortage of novel alloy materials in the field of energy storage, and is expected to obtain great market value while solving industrial problems.

The invention discloses a monolithic perovskite catalyst, and a preparation method and an application thereof, and belongs to the technical field of preparation of catalysts. The structure of the catalyst is ABO3, the A position is Pr1-xCax, x is 0.1, 0.2 or 0.3, and the B position is one or two of Co, Mn, Fe and Cu. The preparation method comprises the following steps: firstly, selecting cordierite honeycomb ceramic as a carrier, and pretreating the cordierite honeycomb ceramic; weighing related raw materials according to a certain stoichiometric ratio, dissolving in a certain amount of deionized water, stirring, heating in a water bath for dissolving, adding a certain amount of citric acid, and stirring for dissolving to obtain a catalyst precursor solution; and finally, dipping the pretreated carrier in the catalyst precursor solution, taking out the carrier after dipping is completed, and drying and calcining the carrier to obtain the catalyst. The monolithic perovskite catalyst provided by the invention is low in preparation cost and low in energy consumption, and has high catalytic activity.

The invention discloses water-based antirust liquid for metal and belongs to the technical field of metal protection. The water-based antirust liquid comprises a polyvinyl alcohol solution, chitosan enzymatic hydrolysate, terephthalaldehyde, polyamide modified hydrogenated castor oil, chromium salt, organic acid, organic amine and an emulsifier. A preparation method of the water-based antirust liquid includes: stirring and mixing the polyvinyl alcohol solution and the chitosan enzymatic hydrolysate, sequentially adding the organic acid, the organic amine, the emulsifier, the polyamide modifiedhydrogenated castor oil and the chromium salt, stirring and mixing, adding the terephthalaldehyde, performing heating and stirring reaction, and discharging to obtain the water-based antirust liquid.The prepared water-based antirust liquid is lasting in antirust effect, good in adhesion, excellent in antirust effect and promising in application prospect in the development of metal protection industry.

The invention discloses an oxidization-resisting magnesium-containing aluminum alloy with working temperature of 400 to 500 DEG C for storing energy. The alloy is prepared from the following components in percentage by weight: 8.0 to 9.0 weight percent of Sn, 29.0 to 30.0 weight percent of Mg, 14.0 to 15.0 weight percent of Si, 0.5 to 0.8 weight percent of In, 0.1 to 0.2 weight percent of P, 1.0 to 1.2 weight percent of Mn and the balance of aluminum. The material provided by the invention provides a magnesium-containing multi-element near-eutectic alloy solution for the field of energy storage of alloys; an alloy melt has excellent oxidization-resisting performance, thermal cycling performance and thermophysical performance. The current situation that the related performance of current Al-Mg binary eutectic alloys is not enough at present can be effectively overcome, and extremely great market value can be obtained while industrial problems in the field of heat storage are solved.

To provide a mold that can be brought to a temperature in a predetermined temperature range in a short amount of time, and that is designed to allow the releasing component of a mold releasing agent to be easily spread effectively on an inner surface of the mold, and to reduce the amount of mold releasing agent used. A low-density region of a predetermined thickness is formed along the inner surface of the mold that comes in contact with the molded article, and then, along the inner surface of the mold, a liquid path composed of a hollow tube is formed in contact with the low-density region. It is preferable that a density of the low-density region is higher in a position near an outer surface of the mold than in a position in contact with the liquid path and the low-density region and thehigh-density region are arranged side by side.

The invention relates to a processing device for environment-friendly gift box production raw materials. A liquid removal device for removing cooking liquor on cooked bamboo shells is arranged on the side of a cooking device. The liquid removal device comprises an inner cylinder and an outer cylinder. The inner cylinder is rotationally fixed in the outer cylinder. A drive mechanism G drives the inner cylinder to rotate. Meshes are evenly formed in the barrel wall of the inner cylinder. The diameter of the inner cylinder is matched with the outer diameter of a frame body. By means of the above technical scheme, the bamboo shells can be effectively spread and unfolded, and reliable support is provided for processing and utilizing of the bamboo shells.

A polar mixed reagent for low-rank coal flotation and a flotation process are suitable for the technical field of low-rank coal mining. The polar mixed reagent is prepared from the following raw materials in parts by mass: 30-44 parts of short-chain ester, 30-44 parts of n-caprylic acid, 3 parts of sec-octyl alcohol, 7 parts of fatty acid polyoxyethylene ether, 5 parts of Tween 40, 4 parts of span80 and 7 parts of CuSO4. During use, the reagent is fully and uniformly mixed in an aqueous solution in advance by using a stirring barrel and ultrasonic waves emitted by an ultrasonic plate. The reagent consumption is low, the flotation recovery rate is increased, different types of reagent molecules are fully dispersed into an ore pulp solution, the size of collecting agent oil drops is reduced, the reagent can be more efficiently and effectively spread on the surfaces of coal particles, the action efficiency of the reagent is greatly improved, the recovery rate of clean coal is increased,and pollution to the coal-series environment is reduced.

A high-performance aluminum section radiator includes a top plate and a base. The top plate is provided with positioning ribs, first heat dissipation flangings, second heat dissipation flangings, andheat dissipation columns; the base includes a base plate and a side plate, the top of the base plate is provided with two limit strips, the inside surface of the side plate has a curved surface, the outside surface is flat, the outside surface of the side plate is provided with side heat dissipation strips, the top center of the side plate is provided with grooves, and the grooves are square grooves. Each groove has a long strip structure, and the sizes and shapes of the grooves correspond to the positioning ribs; the two sides of the top of the side plate are provided with snap-fit flangings.The both sides and the top of the top plate are all provided with a heat dissipation structure, and the heat dissipation efficiency is high. The base structure is special, and the inner side wall ofthe effective side plate adopts a special curved structure, which can increase the heat dissipation area and improve the heat dissipation performance. The plurality of side heat dissipation strips arearranged on the outer side. The trapezoidal side structure has a larger heat dissipation area than the ordinary square heat dissipation strips do, and has a large contact area with air, and has a good heat dissipation effect.

The invention discloses a socket-type LED (light-emitting diode) illuminating lamp which adopts an LED lamp strip to assemble. The lamp adopts an LED lamp bead heat dissipation structure composed of the LED lamp strip with a heat dissipation function and a metal connecting plate with good heat dissipation, the heat generated by an LED lamp bead is effectively dispersed, and the socket-type LED illuminating lamp can not influence service life because of the heating problem. Meanwhile, the socket-type LED illuminating lamp and the traditional socket type lamp are completely same in structure, the structure is simple, the cost is low, and the socket-type LED illuminating lamp is suitable for popularizing and using.

The invention discloses a laying hen feed with balanced nutrition and strong disease resistance. The laying hen feed comprises the following raw materials in parts by weight: 20-40 parts of sorghum powder, 10-20 parts of corn flour, 5-15 parts of cabbage caterpillar powder, 7-13 parts of earthworm, 12-24 parts of wheat, 5-15 parts of oatmeal, 1-4 parts of gravel, 1-3 parts of clay, 2-10 parts of coating vitamin E, 1-5 parts of carboxymethylcellulose sodium, 1-5 parts of corn oil, 0.5-1.2 parts of ginger, 0.5-1.5 parts of malic acid, 0.2-0.8 parts of xylo oligosaccharide, 1-2 parts of isomaltose oligosaccharide, and 0.2-0.6 parts of choline chloride. The laying hen feed has the advantages of strong disease resistance, balanced nutrition, easy digestion, and non environmental pollution.

The invention discloses a hot plug device for 2.5 inch hard disc, comprising a hard disc tray, a front panel assembling device and a 2.5 inch hard disc, and belonging to the technical field of computer external equipment. The invention is characterized in that: one end of the hard disc tray is provided with a front panel locating rack, the front panel assembling device is fixed and mounted by the front panel locating rack, and the 2.5 inch hard disc fixed and mounted on the hard disc tray. The inventive hot plug device utilizes a simple buckling structure to mount the hard disc, thus reducing hard disc mounting time; the inventive hot plug device has a smaller volume, thus realizing mounting more hard discs in 1U PC server or 2U PC server room, e.g. 12 groups of hot plug devices for 2.5 inch hard disc can be mounted in 1U room in a structure of an upper layer and a lower layer with six groups in each layer, thus saving sever room; storage capacity is increased in the same room, thus meeting requirements of people. The invention has good commonality, and is suitable for 2.5 inch hard discs of various specifications.

The invention relates to a device for processing raw materials for packaging box production. A dehydration rack for removing the cooking liquid from the cooked bamboo shells is arranged on the side of the cooking device, and a cooking liquid collecting tank is arranged on the lower side of the dehydration rack. , the dehydration frame includes a dehydration support platform and a base for supporting the fence frame, support rods are respectively arranged around the dehydration support platform, and an installation sleeve is provided on the upper end of the support rod, and the installation sleeve is installed on the upper end of the support rod through the empty sleeve of the installation component , the inner diameter of the installation sleeve is larger than the outer diameter of the top of the support rod, the surroundings of the dehydration support table are fixedly connected with the installation sleeve respectively, the lower end of the support rod is connected with the base through a universal joint, and the dehydration support table is connected to the drive for reciprocating swing Body F is connected. The above technical scheme can effectively spread the bamboo shells, and provide reliable support for the processing and utilization of the bamboo shells.

The invention relates to a spreading machine, which is used for spreading bamboo shells, including a frame A and a feeding mechanism set on the frame A, the feeding mechanism includes a bamboo shell conveyor belt for transporting bamboo shells, bamboo shells The shell conveyor belt is connected with the driving mechanism A, and the feeding end of the bamboo shell conveyor belt is provided with a bamboo shell feeding trough for pushing bamboo shells to the bamboo shell conveyor belt, and the length direction of the bamboo shell feeding trough is consistent with the conveying of the bamboo shell conveyor belt. The direction is the same, the inner surface of the bottom of the bamboo shell feeding trough is flush with the conveying surface of the upper layer of the bamboo shell conveyor belt, and the two groove walls of the bamboo shell feeding chute are extended to the inside of the bamboo shell conveyor belt. A spreading mechanism for spreading the bamboo shells and a hot pressing mechanism for hot pressing and shaping the bamboo shells after spreading are arranged above the bamboo shell conveyor belt. The above technical scheme can effectively spread the bamboo shells, and provide reliable support for the processing and utilization of the bamboo shells.

The invention relates to a preprocessing method for a packaging box raw material. Hair removal in the step S1 is conducted in a hair removal device. The air removal device comprises a machine frame B and a hair removal drum obliquely arranged on the machine frame B. A feed port and a discharge port are formed in the two ends of the hair removal drum. Protruding ribs are arranged on the inner wall face of the hair removal drum. The length direction of the protruding ribs is consistent with the length direction of the hair removal drum. The protruding ribs are arranged on the inner wall of the hair removal drum in the length direction of the hair removal drum in a layered manner. The protruding ribs of every two adjacent layers are arranged at intervals in a staggered manner. The hair removal drum is connected with a drive mechanism E. The inclination angle of the hair removal drum ranges from 2 degrees to 5 degrees. By means of the technical scheme, bamboo shells can be effectively spread, and reliable support is provided for machining and utilizing of the bamboo shells.