81results about How to "Reduce the possibility of oxidation" patented technology

The present invention relates to silico fluorene copolymer and its application. The silico fluorene copolymer is copolymer of 2, 7-silico fluorine and narrow band gap monomer, and has absorption spectrum with absorption side band greater than 500 nm and absorption band side expanded to red light and near infrared region. It is prepared through copolymerizing 2, 7-silico fluorine and narrow band gap monomer containing hetero N and / or S atoms. It may be applied in making polymer solar cell, FET, etc. It has high mobility, high long-term stability and high energy converting efficiency.

The invention relates to a preparation method of instant crisp okra slices. The preparation method mainly comprises the following steps: selecting; blanching; slicing; quick-freezing; vacuum frying and pre-puffing; vacuum deoiling; separating fruits from seeds; spraying; puffing again; and packaging. The instant crisp okra slices prepared by the method provided by the invention are low in oil ratio, crisp rather than greasy and stable in quality, and the original shape, flavor and nutritional quality of okra are maintained.

A novel cosmetic based on No for promoting the metabolism of skin and beautifying skin is composed of nitrogen component (nitrite or concentrated vegetative liquid extract rich in nitrite) and acid component (organic or inorganic acid), which can take part in chemical reaction to release No.

The invention discloses an OLED (organic light-emitting diode) display panel, a display apparatus and a manufacturing method for the OLED display panel, relates to the display technical field, and aims to reduce the cavity in the organic layer, lower the probability of oxidization of the devices in the interior of the OLED display panel, and prolong the service life of the devices. The OLED display panel comprises a substrate, and a first water-blocking layer and an organic layer which are arranged on the substrate from the near to the distant in sequence, wherein the OLED display panel also comprises a wetting layer which is positioned between the first water-blocking layer and the organic layer; and the wetting layer is hydrophilic. The display apparatus comprises the OLED display panel disclosed by the technical scheme; and the manufacturing method for the OLED display panel is used for manufacturing the OLED display panel disclosed by the technical scheme. The invention provides the OLED display panel, the display apparatus and the manufacturing method for the OLED display panel.

The invention relates to a Vinorelbine long circulation liposome preparation and a preparation method thereof, the preparation comprises three sub-packaging units, i.e. an empty liposome, sodium phosphate buffer solution and heavy tartaric acid Vinorelbine; and before being used, the three sub-packaging units are mixed together and heated appropriately. The preparation method has the advantages of simple process and easy operation and is suitable for industrial production, and the Vinorelbine long circulation liposome which is prepared by adopting the method has high encapsulation rate and good stability.

The invention discloses low-density biphase high-entropy alloy powder suitable for a 3DP technology and a preparation method of the low-density biphase high-entropy alloy powder. The alloy powder comprises, in molar ratio, 0-30% of Al, 0-30% of Ti, 0-20% of V, 0-20% of Cr, 0-30% of Mg, 0-20% of Ni, 0-20% of Cu, 0-30% of Si and 0-30% of B. The method comprises the steps that the above element powder is uniformly mixed to obtain mixed powder; and ball milling is conducted, screening is conducted under vacuum, powder with the particle size being 10-100 micrometers is taken, and the low-density biphase high-entropy alloy powder suitable for the 3DP technology is obtained. The high-entropy alloy material has an FCC / BCC or FCC / HCP biphase structure, has high strength and high hardness, also has good plasticity of an FCC structure and is suitable for being used for 3DP.

The invention discloses a low-density dual-phase high-entropy alloy material and a preparing method thereof. The elemental composition of the low-density dual-phase high-entropy alloy material is AlxTiyCrNiCu, wherein x is 0.5-3, y is 0.5-3, the crystal structure of the alloy material is FCC+BCC dual-phase structure, and the density is 5.18-7.14 g / cm<3>. The method is a solid-state forming methodfor combining a mechanical alloying technology and a spark plasma sintering technology, the required temperature of the solid-state forming method is low, the sintering time is short, a bulk materialwhich is uniform in compositions and has near full density can be obtained through once sintering, and a near net forming can be realized; and the prepared low-density dual-phase high-entropy alloy material is fine in grain, uniform in structure, and high in strength, hardness, wear resistance, and has excellent comprehensive mechanical properties such as plasticity.

The invention relates to a vinflunine liposome preparation and the preparation method thereof. The vinflunine liposome preparation mainly comprises vinflunine or salt, phospholipid, cholesterin and polyethylene glycol-distearoyl phosphatidyl ethanolamine of the vinflunine, wherein salt, phospholipid, cholesterin and polyethylene glycol-distearoyl phosphatidyl ethanolamine are pharmaceutically acceptable, and the vinflunine liposome preparation can be prepared into an injection or a lyophilized preparation. The preparation method is simple in technology, easy to operate and suitable for industrial production, and long-circulating vinflunine liposomes prepared by using the method are high in encapsulation rate and good in stability.

The invention discloses a preparation method of a benzotriazole ultraviolet light absorber. The method comprises the following steps: adding an azo dye intermediate represented by formula I to hydrazine hydrate, carrying out reduction to form an intermediate oxynitride represented by formula II, and reducing the intermediate oxynitride represented by formula II with hydrogen to prepare the benzotriazole ultraviolet light absorber represented by formula III, wherein the formula I, the formula II and the formula III are respectively shown in the description. The preparation method allows wastewater generated in the invention to be environmentally-friendly.

The invention relates to an automobile lamp decoration ring sputtering aluminum plating system and process. The automobile lamp decoration ring sputtering aluminum plating system comprises a vacuum chamber and a vacuum pump, an aluminum bar is vertically installed in the vacuum chamber, an aluminum target material is installed in the side wall of the vacuum chamber, and a shielding device is installed on the side wall of the vacuum chamber; one side of the vacuum chamber is communicated with a feeding pipe, a silicone oil electric valve is installed on the feeding pipe, and one side of the feeding pipe communicates with a heating device; one side of the vacuum chamber communicates with an argon inlet pipe, an argon electric valve is installed on the argon inlet pipe, and one end of the argon inlet pipe communicates with an argon source; a mounting device is mounted in the vacuum chamber, and the mounting device comprises a turntable and a first driving motor; the turntable is sleeved and fixed on an output shaft of the first driving motor; and a plurality of installation shafts are arranged on the rotary disc in the circumferential direction in an array mode, each installation shaft is vertically and rotationally connected to the rotary disc, a first driving mechanism used for driving the installation shafts to rotate is installed in the vacuum chamber, and clamps used for fixing workpieces are installed on the installation shafts. The anti-oxidation film can be conveniently plated on the outer surface of the aluminum mold.

The invention discloses dry red wine and a preparation method thereof. The preparation method comprises the following steps that picked grape fresh fruits are placed at 10-7 DEG C below zero for conducting freezing and icing; after quick stem removing and crushing are conducted, grape mashes immediately enter a wine fermentation tank for conducting freezing and impregnating; dry ice is added into the grape mashes for conducting oxygen insulating and temperature controlling, and in the whole process, the impregnating temperature is controlled to be equal to or less than 6 DEG C; after freezing and impregnating is conducted for 4-6 days, temperature is returned to 14-16 DEG C, yeast is added, alcoholic fermentation is started, the fermentation temperature is controlled at 24-26 DEG C, and fermentation time is 5-6 days; alcohol content is measured, and after it is determined that the alcoholic fermentation is completely finished, wine is separated from hide trimmings; and malic acid-lactic acid fermentation is conducted on the wine, after fermentation is finished, ageing is conducted on the wine, and the dry red wine is obtained. According to the dry red wine and the preparation method thereof, the wine is dark purple, fragrance is rich, the taste is mellow and full, the sense of structure is high, and the quality of the dry red wine is improved.

The present invention discloses a coating for a steel ladle magnesia carbon brick. The coating comprises the following raw materials in weight percentage: 20-30% of clay chamotte powder, 10-15% of clay raw material powder, 8-15% of boron glass powder, 5% of silica powder, 5% of silicon carbide fine powder, 5% of solid sodium silicate, 15-25% of Guangxi white clay, 25-30% of sodium feldspar powder, and 2% of yellow dextrin. The sum of the weight percentages of all the above raw materials is 100%. According to the invention, when the coating is baked, the coating is gradually melted into the glass state along with the temperature increasing process. In this way, the coating is adhered to the surface of the magnesia carbon brick. Therefore, the magnesia carbon brick is isolated from the air and is prevented from being in contact with the air by the coating. As a result, the oxidation possibility of the magnesia carbon brick is reduced.

The invention discloses a preparation method of a copper-ferrum-tin-selenium thin film Cu2FeSnSe4 which can be used as an absorption layer of a thin-film solar cell. The preparation method comprises the following steps: sequentially depositing tin, ferrum and copper metal layers on a glass substrate by using a magnetron sputtering method, to obtain a laminar metal thin film precursor; then putting the laminar metal thin film precursor into a graphite box and adding selenium powder, and performing post-selenylation treatment in a tubular quick annealing furnace, to obtain a target product copper-ferrum-tin-selenium thin film Cu2FeSnSe4, wherein the contents of all metal elements in the copper-ferrum-tin-selenium thin film Cu2FeSnSe4 are regulated by regulating the sputtering and deposition time of the metal layers. The method is simple and convenient, and the component contents of the copper-ferrum-tin-selenium thin film can be accurately controlled so as to be further close to stoichiometric ratio, thus being suitable for mass production.

The invention discloses a lithium ion battery and an electrolyte thereof. The lithium ion battery comprises a nonaqueous solvent, lithium salt, a first additive and a second additive, wherein R1, R2 and R3 contained in the first additive are C1-C5 alkyl and / or phenyl groups; X is an oxygen atom or a sulfur atom; and n in the second additive is an integer of 0-4. According to the invention, the synergistic action of the first additive and the second additive is used to form a dense protective film on a positive electrode to prevent the contact between the positive electrode and the electrolyteunder a high temperature or a high voltage and reduce the possibility of oxidation of the electrolyte, thereby improving the temperature storage performance of the battery.

The invention belongs to the field of daily chemicals, and relates to an oil-wrapping polyhydric alcohol formula comprising resveratrol and a preparation method of. A system comprises an oil phase, apolyhydric alcohol phase, an emulsifying agent, a stabilizing agent, the resveratrol and ferulic acid. The oil-coated polyhydric alcohol formula and the preparation method have the advantages that theresveratrol is dissolved in the polyhydric alcohol phase, then the polyhydric alcohol phase is wrapped in the oil phase by emulsion, so that the possibility that the resveratrol is oxidized is greatly reduced; with addition of the ferulic acid in the system, the stability of the resveratrol can be further obviously improved, and possibility is provided for wide application of the product in the whitening field.

The invention discloses a hot stamping production line of scale-free heating. The production line comprises a pressing machine, a loading system and a discharge system disposed on both sides of the pressing machine, a blank positioning system fitted with the loading system, a first scale-free heating system and a second scale-free heating system symmetrically disposed on both sides of the loadingsystem and a stacking system, wherein the loading system is used to load materials for the scale-free heating systems and the pressing machine; the blank positioning system is used to position a heated blank; and the first scale-free heating system and the second scale-free heating system comprise a rotation table and two multi-hearth scale-free heating furnaces disposed on the rotation table respectively, furnace gates of the two multi-hearth scale-free heating furnaces face each other, and the rotation table can be rotated to make the furnace gates of the two multi-hearth scale-free heatingfurnaces on the rotation table alternatively face the loading system. The production line has the advantages that complete scale-free heating of the blank can be realized; and a furnace rotation technology is used, so production rhythms are satisfied, and stay duration of the high-temperature blank in atmosphere and a temperature drop of the blank can be greatly reduced.

The invention discloses an efficient separation device for supercritical extraction, belongs to the technical field of supercritical extraction, and aims to realize that when a driving motor drives threaded blades to separate mixed substances, a magnetic refrigeration block absorbs heat generated by the driving motor, drives hot air to quickly flow upwards, accelerates heat dissipation and improves the separation efficiency. Meanwhile, the ammonium chloride powder and the barium hydroxide octahydrate powder are mixed to react and absorb heat for cooling, so that multidirectional absorption and dissipation of heat are realized, the cooling effect is achieved, the influence of overhigh temperature on separation of mixed substances in the separation tank body is avoided, the separation effect is enhanced, oxygen in the separation tank body is consumed by the palladium carbon fiber oxygen consumption agent, and the separation efficiency is improved. The palladium-carbon fiber oxygen-consuming agent is added to reduce the content of the palladium-carbon fiber oxygen-consuming agent, so that the mixed substance is not easy to oxidize in the separation process, the palladium-carbon fiber oxygen-consuming agent is rapidly and fully contacted with oxygen under the pushing of the elastic hemispherical membrane, the oxygen consumption is more rapid and comprehensive, the oxygen-consuming effect is improved, the possibility of oxidation of the mixed substance is further reduced, and the separation quality is improved.

The invention discloses an ultrathin tempered film and a preparation process thereof. The preparation process comprises the following processes: S1, cutting: cutting a glass substrate into required shapes and sizes by adopting a cutting machine; S2, CNC fine carving: carving a hole site corresponding to the type of an electronic product in the cut glass substrate by a numerical control machine tool; S3, primary ultrasonic cleaning: putting the glass substrate into an ultrasonic cleaning machine, and cleaning; S4, tempering and strengthening: tempering and strengthening the glass substrate through a physical method and a chemical method; S5, AF electric / spray plating: carrying out electric / spray plating of anti-fingerprint oil on the surface of the glass substrate; S6, secondary ultrasoniccleaning: putting the glass substrate into an ultrasonic cleaning machine, and carrying out secondary cleaning; and S7, protective film coating: laminating protective films on two surfaces of the glass substrate, packaging and warehousing. The prepared ultrathin tempered film is light and thinner, has good toughness and shock resistance, and can be safely used for a long time.

The invention discloses a high-strength low-density steel welding process, and belongs to the technical field of steel processing. The scheme can promote calcium bicarbonate powder in a built-in storage cavity to be heated and decomposed and generate a large amount of carbon dioxide gas through the temperature during welding, and along with the increase of air pressure and the increase of temperature, a heat-variable guide rope can be promoted to recover to the high-temperature phase state, so that rubber sealing sheets are lifted upwards to promote the release of carbon dioxide, on one hand,the possibility of overhigh external temperature of the steel is reduced by virtue of the thermal decomposition of calcium bicarbonate powder, on the other hand, by virtue of the release of carbon dioxide, the possibility of steel oxidation due to too high temperature in the welding process is reduced, meanwhile, by means of expansion of an attachment guide ball, magnetic shielding on a built-in magnetic ball can be relieved, the bottom side of an anti-oxidation attachment block is promoted to be tightly attached to the steel, thermal decomposition of the calcium bicarbonate powder can be accelerated, gaps between the anti-oxidation attachment block and the steel can be reduced, and therefore oxidation of the steel is reduced.

The invention belongs to the technical field of sensors, and relates to an MXene / ink high-sensitivity sensor free of high-valence metal ions and a preparation method thereof. According to the sensor,an MXene / ink composite structure is used as a sensing active part; the MXene / ink high-sensitivity sensor does not contain high-valence metal ions except an MXene material, MXene nanosheets with smallsizesaredispersed in ink through the dispersion liquid preparation and dispersion process, an MXene sensing network is formed in the ink, and the sensing sensitivity of a sensing active part can be greatly improved. Through a special dispersion process, the dispersion effect which can be achieved by adding high-valence metal ions can be achieved, and the problems caused by the high-valence metal ions are avoided. The MXene / ink high-sensitivity sensor disclosed by the invention can be conveniently coated on the surface of a test base material or a substrate through a simple forming mode (silk-screen printing, heat transfer printing, printer spray forming and the like); and the design method of the complex sensing array is simplified, the influence of high-valence metal ions on the sensing network is avoided, and the monitoring accuracy is enhanced.

The invention discloses a fresh-cut common cattail ageing rottenness retarding and storage time prolonging preservation method. The fresh-cut common cattail ageing rottenness retarding and storage time prolonging preservation method comprises the following steps of selecting, cleaning, cutting and washing fresh common cattail; soaking the fresh-cut common cattail in chlorine dioxide solution and then performing dewatering; then soaking the fresh-cut common cattail into coating solution, and then performing dewatering; wrapping and sealing the fresh-cut common cattail in preservative films forlow-temperature storage. According to the fresh-cut common cattail ageing rottenness retarding and storage time prolonging preservation method, the fresh-cut common cattail is soaked into the chlorinedioxide solution, so that activity of polyphenol oxidase and peroxidase can be inhibited, surface microorganisms of common cattail can be killed, and further the fresh-cut common cattail is less prone to rottenness; meanwhile, the fresh-cut common cattail is coated for isolation from air, so that the possibility of oxidization as well as rottenness of the fresh-cut common cattail can be reduced.Experiment results show that the fresh-cut common cattail ageing rottenness retarding and storage time prolonging preservation method is higher in preserving effects on the fresh-cut common cattail and effectively retards oxidation and rottenness of the fresh-cut common cattail.

The invention relates to a circular ring neodymium iron boron processing method, and belongs to the technical field of rare earth permanent magnet processing. The circular ring neodymium iron boron processing method can solve the problems that an existing neodymium iron boron special-shaped product is complex in processing procedure and not high in processing precision and has environmental pollution. The processing method comprises the following steps of 1) fixing a sintering neodymium iron boron cylindrical blank material, and adopting an electric spark wire cutting machine to cut the blankmaterial into round sheets coincident in thickness; 2) conducting degreasing, washing and drying treatment on the round sheets; 3) using a laser cutting machine to conduct internal round cutting on the clamped round sheets, wherein auxiliary gas used throughout the cutting process is nitrogen; and 4) magnetizing processed materials. The circular ring neodymium iron boron processing method is easyto operate, one-time processing and forming of a neodymium-iron-boron circular ring can be realized, the cutting accuracy requirements are ensured, the production efficiency can be improved, and modern development needs are met.

The invention discloses a processing technology of deep sea fish oil in high EPA (Eicosapentaenoic Acid) DHA (Docosahexaenoic Acid) contents. The deep sea fish oil is subjected to the technologies such as fish oil pretreatment, decoloration and deodorization, fractionation and winterization. According to the processing technology disclosed by the invention, decoloration and deodorization are combined together, heating time is shortened while refining of oil is carried out at a lower temperature, DHA and EPA in the fish oil can be effectively prevented from being decomposed during a deodorization and decoloration process due to too high temperature, the probability of oxidation is reduced, meanwhile, generation of pollutants such as trans-fatty acid can be controlled, and the DHA and EPA contents of products can be increased; meanwhile, the DHA and EPA contents in the fish oil can be further increased through refining and an improved secondary winterization process, the DHA and EPA contents in the fish oil which is finally obtained through a method are three times or above higher than those of common fish oil, and the fish oil can be directly applied to healthcare products and babyfood.

The invention discloses a method for forming a nickel silicide blocking layer, which mainly comprises the following steps that: the cleaning treatment is carried out on the silicon substrate surface for removing oxides on the silicon substrate surface, and a first metal layer is deposited on a silicon substrate; and the oxidation resistant treatment is carried out on the first metal layer, then, a second metal layer is deposited on the first metal layer, and the first metal layer and the second metal layer jointly form a metal blocking layer of the silicon substrate surface. The first metal layer deposited on the silicon substrate surface is nickel or NiPt, after the first metal layer is deposited on the silicon substrate surface, hydrogen gas capable of preventing the nickel from being oxidized is continuously introduced into the first metal layer surface for 1 second to 5 minutes under the conditions of the temperature being 20 DEG C to 100 DEG C and the pressure being 0.01 to 1MPa, then, the second metal layer is deposited on the first metal layer and is titanium nitride, and the first metal layer and the second metal layer jointly form the metal blocking layer of the silicon substrate surface.

The invention provides a preparation method for a carbon nano tube reinforced aluminum matrix composite material. The preparation method comprises the following steps that firstly, composite powder with carbon nano tubes evenly dispersed is obtained by adopting low-temperature ball milling; and then a composite blank is obtained after the powder is solidified by sleeve installing, air removing and hot isostatic pressing; and further, a bar material, or a sectional material or a forge piece product is formed by normal hot working methods such as squeezing and forging and pressing; and finally, heat treatment is conducted. According to the preparation method, the carbon nano tubes have good dispersity in an aluminum alloy matrix, the damage degree of reinforced bodies of the carbon nano tubes is small, the formed composite material has even microstructures and good interface bonding; and meanwhile, the composite material has high strength and plasticity, and is expected to be applied to the fields, such as aerospace and cars, which have strong needs for light-weight high-strength structural materials.

The invention discloses a thermomagnetic particle dynamic drying device based on plastic particles, and belongs to the field of plastic production. According to the scheme, through rotation of a modified drying cylinder and in the drying process, the rotating speed of the modified drying cylinder is promoted to be continuously in dynamic changes of increasing, decreasing and increasing; by means of changes of centrifugal force borne by centrifugal balls, a movable sliding sleeve can be promoted to repeatedly slide along a built-in L-shaped supporting rod, so that stirring of plastic particlesin the modified drying cylinder is achieved, and the drying efficiency of the plastic particles is improved; and meanwhile, an elastic connecting rope is promoted to continuously deform, when the elastic connecting rope is stretched, a rubber sealing piece is turned outwards by means of a turning micro-pull rope, and under the action of a traction annular plate, reductive iron powder in the centrifugal balls is promoted to be released and react with oxygen, so that on one hand, the drying effect on the plastic particles is improved by means of heat generated in the reaction process, and on theother hand, the possibility that the plastic particles are oxidized can be reduced by means of oxygen consumption.

The invention belongs to the technical field of pigments, and relates to a preparation method of medium-temperature-resistant magnetic pearlescent pigments. The preparation method comprises the following steps: step I, adding a finished product pearlescent pigments into deionized water under a stirring condition, heating, stirring, and obtaining pearlescent pigment suspension; step II: adding ferrite into an iron salt solution, stirring, completely stirring, adding a complexing agent, stirring, dissolving, and obtaining an iron mixed solution; step III: mixing the pearlescent pigment suspension obtained in step I and the iron mixed solution obtained in step II, dropwise adding urea, and obtaining slurry; and step IV: heating the slurry obtained in step III to 85 to 95 DEG C, dropwise adding a tetraethoxysilane solution diluted by a diluting agent under a constant-temperature stirring condition, then continuously stirring for 2 to 4 hours, performing the suction filtration, cleaning, drying, and obtaining the medium-temperature-resistant magnetic pearlescent pigments. By introducing the complexing agent, the problem of the weakening of pigment magnetism caused by the oxidation of ferrite ions by the air in the reaction process can be greatly reduced.

The invention provides a process for directly producing sponge iron by catalytic partial oxidation of natural gas. The process comprises the following steps: introducing natural gas into a preheater and preheating; enabling the preheated gas to enter a fine desulfurization reactor, carrying out catalytic hydrogenation, desulfurizing at a high temperature and discharging; in a regenerative tubular heating furnace, converting the finely desulfurized natural gas into CO and H2 under the action of lattice oxygen used as a catalyst; enabling the reduced gas to enter a gas-based shaft furnace to produce sponge iron. The process disclosed by the invention is simple and efficient and low in energy consumption, the risk of explosion is avoided, qualified sponge iron reducing gas can be manufactured at a low cost, the entire process system is simple, the process is easily controlled and the industrialization is easily realized.