99results about How to "Volatile evenly" patented technology

The invention discloses a full-automatic QuECHERS experimental device and an experimental method. The full-automatic QuECHERS experimental device comprises a multifunctional mechanical arm, a cap screwing module, a liquid adding module, a centrifugal module, a salt adding module, a ceramic proton homogenization module, a nitrogen blowing concentration module, a vortex uniform mixing module and anoscillation module, and can automatically complete sample transferring, addition of extraction liquid, extraction salt and ceramic homogenization protons, oscillation uniform mixing, centrifugal separation and vortex uniform mixing actions; A method adopting the full-automatic QuECHERS experimental device to carry out experiments mainly integrates the processes of sample liquid adding extraction,centrifugal separation, solid phase extraction and nitrogen blowing concentration, so that the time is saved, the manual operation is reduced, the automation is improved, and the errors are reduced.

The invention provides an alignment film pre-solidifying device and relates to the manufacturing field of liquid crystal displays. The alignment film pre-solidifying device does not affect quality of an alignment film and image quality of the display. The alignment film pre-solidifying device comprises a workbench and a heating plate arranged below the workbench and further comprises multiple supporting needles used for supporting a substrate. The supporting needles are arranged between the substrate and the workbench. The diameter of the top end of each of the supporting needles ranges from 0.5mm to 0.8mm. A part which at least comprises the top end of a supporting needle in each supporting needle is made of heat-resistant and thermally insulative materials. The alignment film pre-solidifying device is used for manufacturing liquid crystal displays.

The invention discloses vacuum drying equipment and a preparation method of a display panel. The vacuum drying equipment comprises a vacuum cavity, a thermostat, an electric field generation device and a vacuum pump. The thermostat is located below the vacuum cavity. The electric field generation device is provided with a first metal plate and a second metal plate which are arranged in the vacuumcavity. The first metal plate is located on the bottom surface of the vacuum cavity. The second metal plate is arranged over the first metal plate in parallel. The second metal plate divides the vacuum cavity into a first sub-cavity located between the first metal plate and the second metal plate and a second sub-cavity located on the other side of the second metal plate. The second metal plate isprovided with a plurality of volatilization through holes communicating with the first sub-cavity and the second sub-cavity. The first metal plate and the second metal plate are used for being connected with a circuit. The vacuum pump communicates with the second sub-cavity. The vacuum drying equipment can achieve effective control over molecular alignment, so that the migration rate of an organic thin film is increased to the maximum extent.

The invention provides a degradable odor generation element for a non-burned cigarette. The odor generation element is made of biodegradable polylactic acid monofilaments, and is formed by preparing several polylactic acid monofilaments into a rope or knitted fabric structure through one or more processes of weaving, knitting and twisting and then carrying out cutting. The odor generation elementfurther comprises polylactic acid monofilaments without perfume and polylactic acid monofilaments with perfume adhering to the surfaces after treatment, and when a hot airflow passes through a longitudinal extension channel defined by the polylactic acid monofilaments, the original odor of smoke and a generated volatile aroma are kept respectively. The process is simple, and the production efficiency is high; the adopted polylactic acid monofilaments have good biodegradability and environmental friendliness.

The invention relates to an OLED and a film deposition method thereof. The film deposition method comprises the following steps of: preparing a material solution: dissolving a material to be deposited in a solvent to obtain the material solution; and providing an atomization device comprising an atomization system, a cavity, a vacuum tube and a support plate; and depositing: placing a substrate on the support plate, switching on a vacuum device, vacuuming the cavity through the vacuum tube, and atomizing the material solution through the atomization system to deposit the material solution on the substrate. The film deposition method of the OLED utilizes a combination of vacuum and a spray process to deposit the film of the OLED, does not need to heat and sublimate the material to be deposited at a high temperature, and is suitable for materials hard to sublimate or liable to thermally decompose. Further, droplets formed by spray are small, and the vacuum environment allows the solvent to be uniformly volatilized, thereby forming a uniform film thickness.

The invention discloses a method for preparing tungsten-yttrium square billets, which comprises the following steps: a. dispersing yttrium nitrate aqueous solution in a spraying mode evenly and coating the yttrium nitrate aqueous solution on the surface of ammonium paratungstate, and performing mixing agitation, heating, and drying at the same time to obtain tungsten-yttrium coating powder after drying; and b. performing primary and secondary reductions, compaction, presintering and incipient fusion sintering on the tungsten-yttrium coating powder to be prepared into the uniform tungsten-yttrium square billets with metallicity, wherein the incipient fusion sintering process comprises that the temperature is increased for 10 to 30 minutes and the temperature is kept for 20 to 50 minutes, and the electric current in the process of keeping the temperature is between 2,500 and 4,000 amperes. The method has a simple process and prepares the tungsten-yttrium coating powder by adopting the spraying mode, thus the even distribution degree of elements added to square billet raw materials is ensured, and the tungsten-yttrium coating powder with comparatively even dispersion; besides, the process of the subsequent incipient fusion sintering is controlled to raise the temperature for 10 to 30 minutes, keep the temperature for 20 to 50 minutes, and keep the electric current in the process of keeping the temperature between 2,500 and 4,000 amperes, thus each point of the prepared tungsten-yttrium square billets is volatilized evenly; and under the cooperation of the method and the incipient fusion sintering, the prepared tungsten-yttrium square billets have good evenness.

The invention belongs to the field of public facilities and discloses a solar deodorant garbage can which is composed of a solar cell panel, a garbage can body, ventilation ports, a garbage placement port, an iron box and a fan. The garbage can body is combined with the solar cell panel, solar energy is utilized as an energy source to drive the fan to rotate, the fan is mounted inside an upper can cover of the garbage can body, the solar cell panel serves as the upper can cover of the garbage can, the ventilation ports are formed in the front can face of the garbage can body, deodorant is placed on the iron box in the garbage can, and the iron box is welded in the garbage can body. The solar deodorant garbage can has the advantages that natural resources can be fully utilized as the energy source for deodorization, so that low carbon, environment protection and sustainability are realized.

A coiled mosquito-repellent paper incense is composed of two coiled flat and lender incense strips, and is made up of the basic material prepared from plant fibers, the powder of wooden (or bamboo) charcoal, and light calcium carbonate and/or kaolinite, and the mosquito-repellent liquid prepared from pyrethrins, octachorodipropyl ether and essence through spray said liquid onto the basic material.

The invention provides a ceramic product and a method for preparing the same by the aid of gel casting technologies on the basis of hydantoin epoxy resin. Gel systems used in the gel casting technologies comprise the hydantoin epoxy resin and 3, 3'-diamino dipropyl amine which is a curing agent. The ceramic product and the method have the advantages that the method is simple and is low in toxicity and short in period, and the large and thin ceramic product which is high in density, excellent in comprehensive performance such as mechanical properties, low in cost and easy to transport and store can be prepared by the aid of the method.

The invention discloses a preparation method of a starch nanofiber membrane and the starch nanofiber membrane, and relates to the technical field of nanofibers. The preparation method of the starch nanofiber membrane comprises the following steps of S10, dissolving starch in a solvent, and stirring at 60-80 DEG C for 11-13 hours to obtain starch solution; S20, standing and defoaming the starch solution to obtain a starch spinning solution; and S30, carrying out electrostatic spinning on the starch spinning solution at 50-80 DEG C to obtain the starch nanofiber membrane. According to the preparation method of the starch nanofiber membrane, the electrostatic spinning technology is assisted at the temperature of 50-80 DEG C, so that in the electrostatic spinning process, a solvent is volatilized uniformly, nanoscale starch fibers with uniform thickness and smooth surfaces are formed favorably, the preparation process is simple, the direct membrane forming property is good, no processing inhibitor is added, and the starch nanofiber membrane with uniform thickness and smooth surface can be prepared.

The invention relates to a laser-surface carburization process for metal materials and a carbon coating device thereof. The carburization process comprises the steps of: using a carbon coating deviceto uniformly and quantitatively coat nano carbon powder-alcohol-acetone colloid; drying the metal material coated with the nano carbon powder-alcohol-acetone colloid; using laser beams to melt the dried metal material under the atmosphere protection. The laser-surface carburization process has the beneficial effects that a special powder-laying mode is adopted to prefabricate process carbon, the nanosize carbon powder is selected as an added material, is prepared into nano carbon powder colloid by a specific preparation mode, then the prepared nano carbon powder colloid is coated on the metalsurface by a special carbon-coating device, and the process is optimized from multiple aspects of shape and size of carbon powder, laying mode and content control and the like, so that the powder laying defect is reduced; the whole carburization process is simple and efficient.

The invention belongs to the technical field of spinning devices, and relates to a spinning channel system. The spinning channel system comprises a cylindrical channel body, an upper air feed mechanism, a flow correcting mechanism, a main air return mechanism, an auxiliary air return mechanism and a bottom air return mechanism. The upper air feed mechanism and the flow correcting mechanism are arranged at the top of the cylindrical channel body, and the upper air feed mechanism is arranged on the periphery of the flow correcting mechanism; the main air return mechanism is fixedly arranged in the middle of the cylindrical channel body and located between the upper air feed mechanism and the auxiliary air return mechanism; the auxiliary air return mechanism is arranged on the lower portion of the cylindrical channel body and located above the bottom air return mechanism; the bottom air return mechanism is arranged at the bottom of the cylindrical channel body. While increasing the air volume of the channel, the spinning channel system ensures stability of airflow, so that the character of final spandex fiber finished products tends to be stable, and product differentiation is reduced.

The invention belongs to the technical field of food processing, and particularly discloses potato dried rice noodles and a preparation method thereof. The preparation method of the potato dried ricenoodles comprises the following steps of (1) preparing rice pulp: soaking rice, and performing grinding to obtain the rice pulp; (2) performing pulp material mixing: mixing the rice pulp with potato whole powder; (3) performing standing with a compounding modifier: mixing the mixed rice pulp with the compounding modifier, and performing standing, wherein the compounding modifier consists of guar gum, xanthogen, low-acyl gellan gum, disodium hydrogen phosphate, distilled glyceryl monostearate, vital wheat gluten and edible corn starch; (4) performing extrusion shaping; (5) performing ageing intwo stages; (6) flushing rice powder and performing compaction; and (7) performing low-temperature middle-humidity 6-stage baking. The invention further provides the potato dried rice noodles. The preparation method of the potato dried rice noodles is simple to operate, industrial production is easy, and the prepared potato dried rice noodles are smooth, complete, low in noodle breaking rate and bending rate, short in rehydration time and high in quality.

The invention relates to an environment-friendly thinner for an automotive refinishing paint and a preparation method of the environment-friendly thinner. The environment-friendly thinner comprises the following components in parts by weight: 5-70 parts of methanol, 10-40 parts of methyl acetate, 5-40 parts of ethyl acetate, 10-50 parts of sec-butyl acetate, 5-30 parts of butyl acetate, 5-55 parts of xylene, 3-35 parts of No.100 aromatic solvent oil. The environment-friendly thinner disclosed by the invention is free of benzene and toluene solvents, the production cost is low, and the production process is simple, no waste water and waste slag are discharged in the production process, a small amount of volatile gases are in line with the national emission standards. Meanwhile, the thinner has the advantages of strong dissolving capacity and uniform volatilization speed and the paint film has good leveling effect.

The invention relates to a cigarette filter tip firming method, which includes: firstly, forming a cigarette filter tip in a former, and spraying glyceryl triacetate into the former; secondly, feeding the cigarette filter tip sprayed with glyceryl triacetate into a storage cabinet, and using an electromagnetic radiation heating device to quickly volatilize the glyceryl triacetate in the storage cabinet; and thirdly, feeding the cigarette filter tip with the glyceryl triacetate volatilized into a sender, and performing subsequent procedures. By means of high-frequency medium heating, the problem that the hardness of the cigarette filter tip is insufficient due to short volatilizing time of the glyceryl triacetate is solved, the glyceryl triacetate can be evenly volatilized within a reasonable time, and the cigarette filter tip is firmed to be reasonably hard.

The invention provides solar cell conductive paste. The nanoscale glass powder and the conductive powder are adopted, the sintering temperature can be effectively reduced, the method can be conveniently applied to occasions with low sintering temperature, such as back passivation solar cells (PERC), moreover, the sphericity degree of the glass powder and the conductive powder is smaller than 0.5 to form the pinning effect and the bridging effect, so not only the glass powder and the conductive powder are dispersed more uniformly in a resin matrix, the adhesion capability is enhanced, but alsoconductivity is improved, and conversion efficiency of a solar cell is enhanced, furthermore, the resin matrix adopts three kinds of solvents with different boiling points, so uniform volatilization of an organic phase is facilitated, and the film forming quality is improved.

The invention discloses a resistance paste for an YH21CT stainless steel thick film circuit and a preparation method thereof. The resistance paste comprises 86%-90% of solid phase component and 10%-14% of organic binder by weight percentage; the solid phase component includes 70%-90% of tungsten-palladium composite powder and 10%-30% of SiO<2>-BaO-Al<2>O<3>-CaO-ZrO<2>-H<3>BO<3> series microcrystalline glass powder by weight percentage; the tungsten-palladium composite powder includes 8%-25% of tungsten powder and 75%-92% of palladium powder by weight percentage; particle sizes of the tungstenpowder and the palladium powder are smaller than 1.5 mum; the raw materials of the SiO<2>-BaO-Al<2>O<3>-CaO-ZrO<2>-H<3>BO<3> series microcrystalline glass powder include 30%-80% of SiO<2>, 2%-20% of BaO, 6%-40% of Al<2>O<3>, 20%-60% of CaO, 2%-20% of H<3>BO<3> and 2%-15% of ZrO<2> by weight percentage; the raw materials of the organic binder include 60%-82% of tributyl citrate, 0.2%-10% of hydrogenated castor oil, 1%-15% of cellulose nitrate, 3%-30% of terpilenol, 1%-18% of span-85 and 0.2%-10% of 4. gamma-butyrolactone by weight percentage; and the preparation steps include steps of preparingthe microcrystalline glass powder, the tungsten-palladium composite powder, the organic binder and the resistance paste.

The invention discloses environmental-friendly antibacterial flame-retardant diluents and a preparation method thereof. The diluents consist of the following components in parts by weight: 0-50 partsof de-aromatic solvent oil, 0-15 parts of a halogen-free phosphorus based flame retardant, 0-5 parts of a phosphate tri(beta-chloroethyl) ester, 1-8 parts of a silver ion solution, 5-30 parts of methyl acetate, 10-30 parts of ethyl acetate, 10-40 parts of sec-butyl acetate and 0-55 parts of hydrocarbon solvent oil. The diluents are free of benzene or methylbenzene solvent, low in sulfur, low in aryl, free from extraneous odor and remarkable in universality. The diluents are simple in production process, low in production cost and free of wastewater or waste residue emission in the production process, and have a small amount of gas volatilization which meets national emission standards. The diluents have flame-retardant and antibacterial functions, and not only is the security of the diluents improved, but also the security of a diluted product is improved. The market needs the environmental-friendly antibacterial flame-retardant diluents.