80results about How to "Mature production technology" patented technology

The invention discloses a method for preparing silicon dioxide aerogel by using acidic silica sol and belongs to the field of preparation of inorganic heat-insulating materials. The method comprises the following steps of: directly forming gel under actions of acid and alkali catalysts by using acidic silica sol as a raw material, wherein the process for preparing the gel does not involve organic solvent so as to improve the security of production; and preparing SiO2 aerogel through supercritical or constant pressure drying after the gel is subjected to solvent replacement and surface silylation. According to the method, the process for preparing the sol by using organic silicon as raw material and a complicated process for removing salt in water glass are avoided; and because the acidic silica sol with low cost and stable performance is used as the raw material, the method has the advantages that the process is simple, the production cycle is short, the reaction process is controlled, and the requirement and investment of the equipment are low, so that the industrial production of SiO2 aerogel can be realized.

The invention relates to a process for producing high-grade red jujube brandy, which comprises the steps: red jujubes are processed by removing impunities, detecting fruits, cleaning, beating, screening, enzyme hydrolysis, centrifugalizing, activation of yeast, temperature controlled fermentation, post storage, primary distillation, secondary distillation, storage aging, blending, freezing, filtering and filling. The high-grade red jujube brandy which is produced through the method is golden in color, has natural unique aroma and aging costusroot of red jujubes, is clear and transparent in wine body, elegant and pour in taste, delicate, full, soft in taste, long in aftertaste, enables afteraste to haunt not to loose, and has obvious special outstanding style of red jujube brandy. The process for producing the high-grade red jujube brandy is reliable in production technology, has advanced level in china, uses red jujubes as raw materials, uses the production process of high-grade red jujube brandy by adopting red jujube normal juice, reserves parts of bioactive substances of the red jujubes in products, has care functions, fills the blank of production process technology of the high-grade red jujube brandy, and completely meets the demands of commercial process.

The invention discloses a casting material of high-strength high-performance cement concrete which is prepared by general Portland cement and suitable for particular process requirements such as high structural stress, small section size, light large-span bridge, thin-wall high piers, high-floor buildings, underground water, and super-long distance pump conveyance. The invention is characterized in that: according to kilogram per stere calculation, the proportion of material components is the following: cement 340-469kg; sand 722-734kg; gravel 1038-1061kg; slag 60-120kg; silicon ash 25-40kg; water reducer 13-14kg; others are water, water-binder ratio is 0.28-0.31, additionally polypropylene fiber 0.8kg per cubic meter. The cement is Portland cement with strength grade of 42.5R; the gravel is limestone with both granule grade 5-10mm and granule grade 10-20mm that are prepared according to the weight proportion 3:7.

The invention provides a #-shaped patch dual-port feed high-isolation planar antenna, and relates to the field of an antenna for a passive device. The MIMO (multiple-input multiple-out) antenna comprises an antenna unit, a dielectric substrate and an earth plate, wherein the radiation patches in the antenna unit are #-shaped; the antenna unit has mutually-perpendicular T-shaped feed coupling line ports; due to the sharing characteristics of the radiation patches, the antenna dimension can be greatly decreased, so that the occupied space can be tremendously decreased; meanwhile, by adoption of a microstrip line, the section of the antenna is relatively low, so that the antenna is easy to process; according to the antenna provided by the invention, the isolation of the antenna can be greatly improved; the antenna has stable polarization diversity characteristics; mature production technology for the dielectric substrate, relatively good device quality, high stability, high mechanical strength, and convenience in processing and cleaning; and therefore, the planar antenna is suitable for batch production and has relatively high actual application value.

The invention relates to a composite reinforced alkali-activated slag mortar board and a preparation method thereof. The board is composed of continuous carbon fiber textile fabric, a chopped fiber composite reinforced material and alkali-activated slag mortar, wherein the continuous carbon fiber textile fabric and chopped fiber are reinforcing materials; and the alkali-activated slag mortar filled between the textile fabric and the fiber is a matrix material. The preparation method for the composite reinforced alkali-activated slag mortar board provided by the invention is simple, adopts a normal-temperature and normal-pressure curing preparation process without the need for heating and pressurization, has low unit energy consumption, does not discharge three wastes, and is a green preparation process. The composite reinforced alkali-activated slag mortar board prepared by using the above-mentioned preparation method has excellent bending property and strong impact resistance and freeze-thaw resistance.

The invention discloses an ultrafine particle based on a high-temperature-resistance titanium-based adsorbent and a heavy-metal combined removal method. A titanium-based adsorbent is taken to be mixed with a fuel, the titanium-based adsorbent and the fuel are sprayed to a combustion chamber to be combusted, and the titanium-based adsorbent catches ultrafine particles, fin particles, particle type gas precursor contaminants and heavy metals. The titanium-based adsorbent comprises 50-100 percent by weight of main active component and 0-50 percent by weight of secondary active component, wherein the main active component is titanium dioxide (TiO2), and the secondary active component comprises one or more than two of clay mineral, metallic oxide and carbonate. According to the heavy-metal combined removal method, the high-temperature-resistance titanium-based adsorbent is used for catching ultrafine particles and heavy metals in smoke, and the thermal adaptability of the titanium-based adsorbent is strong; the titanium-based adsorbent excellently exerts the functions at low, middle and high temperatures, and can reduce the ultrafine particles, the fine particles, the particle type gas precursor contaminants and the heavy metals during combustion.

The invention discloses a supporting insulator type high voltage induction sensor. The supporting insulator type high voltage induction sensor is fixed in high-voltage electrical equipment, and comprises an insulator, an upper flange is arranged at the upper end of the insulator, a lower flange is arranged at the lower end of the insulator, a printed circuit board is arranged in the insulator, a shielding cover is arranged on the face, opposite to the lower flange, of the printed circuit board, and the printed circuit board and the shielding cover are fixed with the lower flange through a connecting piece. The other face of the printed circuit board is opposite to a high-voltage electrified body, and a signal line for outputting voltage signals is further arranged on the other face of the printed circuit board. Due to the fact that the printed circuit board is adopted to replace two pieces of existing copper foil to induct electric field signals, industrial production of the sensor can be achieved, and the production efficiency of the sensor is greatly improved. Meanwhile, due to the fact that the high-voltage electrified body can be fixed to the upper flange in the insulator, the high-voltage electrified body can be fixed conveniently, the distance between the high-voltage electrified body and the printed circuit board is fixed, the electric field signals in the high-voltage electrified body can be detected accurately and reliably, and wrong instructions and misoperations can be avoided.

The invention relates to large-energy laser impulse amplification system with saturated absorption body, which comprises a laser oscillator, an amplifier, and said body on light path between oscillator and amplifier with opposite wave length as laser. This invention overcomes the problem that system has huge volume and can not prevent interstage couple and eliminate impulse bottom noise synchronously.

The invention discloses an antistatic environment-friendly transparent sheet which comprises the following components in parts by weight: 100-150 parts of amorphous polyethylene terephthalate (APET), 10-25 parts of poly(butylene succinate) (PBS), 15-30 parts of heat-resistant modified polylactic acid, 1-3 parts of conduction assistant and 1-3 parts of compatilizer. The invention also discloses a preparation method of the antistatic environment-friendly transparent sheet. The APET is blended with the PBS and heat-resistant modified polylactic acid, and the conduction assistant with favorable blending effect is added to obtain the sheet material with antistatic function, favorable environment friendliness and favorable transparency.

The invention relates to an aluminum alloy side milling process under assistance of ultrasonic longitudinal vibration. A process device consists of an ultrasonic wave generator, an ultrasonic longitudinal vibration cutter handle and an ordinary machine tool. The process comprises the following steps: (1) selecting a cutter for side milling, and installing the cutter onto the ultrasonic longitudinal vibration cutter handle; (2) starting the machine tool, installing the ultrasonic longitudinal vibration cutter handle onto the machine tool, and well fixing a workpiece; (3) starting the ultrasonic wave generator, wherein the ultrasonic longitudinal vibration frequency of the cutter is 20kHz to 40kHz, the ultrasonic longitudinal vibration amplitude value is 0 to 20 micrometers, setting a machining process parameter, and beginning the side milling; and (4) closing the ultrasonic wave generator and the machine tool after the side milling is ended, and taking down the ultrasonic longitudinal vibration cutter handle and the well machined workpiece. The aluminum alloy side milling process has beneficial effects that the process flow is easy to realize, the cutter sticking phenomenon is improved, and the milling quality of the workpiece surface such as the surface coarseness is better than the surface quality of the ordinary milling.

The invention relates to a method for synthesizing diethyleneglycol diformate by a composite catalyst. The synthesis method is characterized in that butyl chloroformate and ethylene glycol are taken as raw materials, diethyleneglycol diformate is generated through ester exchange under the action of a compositecatalyst, and a by-product is diglycol monoformate, and thus the synthesis method solves a problem that a conventional catalyst is difficult to react and has low yield. The mass fraction yield of diethyleneglycol diformate is above 90%; diethyleneglycol diformate is mild in reaction condition and high in yield, has no corrosion and environmental pollution, and is easy to separate and purify the product; the separation and purification process is simple and low in energy consumption; in a reaction process, raw materials can be reused,so that a production cost is saved; besides, with mature production technologies and abundance and cheap price of raw material resources, the synthesis method is convenient to achieve extensive industrialization production in the future.

The invention relates to a sulfur positive electrode material with a functional intermediate layer and preparation and application thereof, and the sulfur positive electrode material with the functional intermediate layer is prepared by taking commercial Kevlar fibers and a transition metal salt solution as raw materials. Compared with the modification of other lithium-sulfur batteries, due to a fact that the raw materials come from aramid fibers produced by Dupont Company and the production technology is mature, the material can be produced in a large scale, and the dissolving and compoundingsteps are simple; the preparation is easy, the sulfur positive electrode material with the functional middle layer obtained after coating and drying is applied to the lithium-sulfur battery, the cycle performance and the rate capability are greatly improved, the battery can also normally operate at the high temperature of 70 DEG C, and the applicable temperature interval of the lithium-sulfur battery is widened; the preparation method is simple, low in cost, excellent in performance and suitable for production of large-scale commercial batteries.

The invention discloses an environment-friendly water-based metal heavy oil stain cleaning agent, which comprises: 5-30 parts of alcohol amine ether, 1-8 parts of acetic acid, 0.5-7 parts of chelating agent, and 0.1-3 parts of bactericidal antiseptic , 5-20 parts of tartaric acid, 5-15 parts of fatty acid methyl ester ethoxylate sulfonate, 10-30 parts of nonionic surfactant mixture, and 0.5-5 parts of dispersion stabilizer. The alcohol amine ether of the present invention has various properties such as cleaning, rust prevention and lubrication, and can effectively improve the cleaning effect of the cleaning agent. This kind of cleaning agent can effectively remove oil stains caused by heavy oil, and the oil removal rate can reach more than 98%. The invention does not contain phosphorus substances, and the surface activity can be biodegraded or self-degraded, and will not pollute the environment. The cleaning agent prepared by the invention has obvious effect, high cleaning efficiency, and can effectively prevent metal corrosion.

The invention discloses a prefabricated column of an assembly type concrete building structure and a beam and column joint with the prefabricated column. The prefabricated column and the beam and column joint are applicable to the connection between an upper-layer prefabricated column and a lower-layer prefabricated column and a beam in the assembly type concrete structure. The prefabricated column is a prefabricated concrete pipe pile. The prefabricated concrete pipe pile comprises a vertically arranged pipe pile prestressed reinforcing steel bar, a pipe pile spiral stirrup for bundling the pipe pile prestressed reinforcing steel bar and core filling concrete, and is further internally and vertically provided with a connecting steel bar. The connecting steel bar is provided with an extending end extending out of the prefabricated concrete pipe pile, and the extending end is used for connecting with a structural beam of a beam and column joint area; and the prefabricated column is usedfor being connected with the structural beam in an assembly mode. The prefabricated column is low in manufacturing cost and construction mounting fault tolerance rate and simple in mounting process.Meanwhile, the beam and column joint comprising the prefabricated column is provided.

The embodiment of the invention discloses a human mesenchymal stem cell-based extracellular matrix-derived composite collagen extracting solution hydrogel and a preparation method thereof. The methodcomprises the following steps that a human mesenchymal stem cell extracellular matrix-derived composite collagen extracting solution is dissolved into a buffer solution to obtain a protein solution with the mass concentration of 0.1-100 mg / mL; natural molecules and artificially synthesized molecules are added into the protein solution, and uniform mixing is conducted to obtain a mixed solution, wherein the use final concentration of the artificially synthesized molecules is 0-100 mg / mL, and the use final concentration of the natural molecules is 0-100 mg / mL; a cross-linking activating agent isadded into the mixed solution, and uniform mixing is conducted to obtain a cross-linking reaction solution, wherein the use final concentration of the cross-linking activating agent is 1-30 mg / mL; and the cross-linking reaction liquid is purified to obtain the composite collagen extracting solution hydrogel. According to the hydrogel and the method, the gelling time is short, the biocompatibilityis good, the stability is good, and the injectability is achieved.

The invention relates to a metal lithium material with an artificially constructed polymer SEI film and preparation and application thereof. Commercial Kevlar fibers are used as a raw material to prepare a pure Kevlar nanofiber dispersion liquid, the surface of a lithium substrate is coated with the pure Kevlar nanofiber dispersion liquid, and a polymer artificial SEI film is formed after a solvent volatilizes. Compared with other lithium metal modification methods, the method has the advantages that since the raw materials are aramid fibers produced by Dupont Company, the production technology is mature, the method can be used for large-scale production of polymer artificial SEI films, and the preparation method is simple; the SEI film constructed by the invention is high in strength, hascertain flexibility, is of a reticular structure with rich amide functional groups, and can effectively inhibit the generation of lithium dendrites in the intercalation / deintercalation process of lithium ions.

The invention discloses a PVC food packaging composition and a preparation method thereof, and belongs to the field of high molecular material application. The PVC food packaging composition is characterized by being composed of, by weight, 100 parts of polyvinyl chloride resin, 60-70 parts of polycaprolactone, 0.5-1.5 parts of calcium / zinc stabilizers, 3-10 parts of compatible modifiers, 0.5-1.5 parts of lubricating agents and 0.5-2 parts of phosphite ester; and copolymer of ethylene-vinyl acetate and carbon oxide serves as the compatible modifiers. In the preparation process, the polyvinyl chloride resin, the calcium / zinc stabilizers, the phosphite ester and the lubricating agents are mixed at high temperature at first, the polycaprolactone and the compatible modifiers are added after cooling, a mixture is continued to be mixed evenly, and a double-screw extrusion machine is used for pelleting. Low molecular weight pure biopolyester is selected for replacing existing liquid plasticizers, copolymer resin of the ethylene-vinyl acetate and the carbon oxide is used for synergistic modification in a matched mode, and harm to human bodies due to the liquid plasticizers comprising benzene rings and precipitation of the benzene rings is avoided.

The invention provides a small and medium-sized bioethanol reforming hydrogen production device system and a reforming hydrogen production method. The device system comprises a raw material supply unit, a heat exchange unit, an ethanol catalytic reforming unit, a hydrogen separation unit, a tail gas catalytic oxidation unit, a hydrogen purification unit and a monitoring control unit, raw materials in the raw material supply unit sequentially flow through the heat exchange unit, the ethanol catalytic reforming unit and the hydrogen separation unit; hydrogen in the hydrogen separation unit sequentially flows through the heat exchange unit and the hydrogen purification unit; tail gas in the hydrogen separation unit sequentially flows through the tail gas catalytic oxidation unit and the heat exchange unit; and the monitoring control unit is used for monitoring and controlling the stable operation of each unit in the device system in real time. The device system provided by the invention is suitable for a fuel cell, a safe, environment-friendly and economical hydrogen source is supplied to the fields of new energy automobiles, distributed power stations, emergency power supplies, national defense and military industry and the like, meanwhile, the energy efficiency of the device is improved, and up-to-standard emission of tail gas is ensured.

The invention discloses an anti-tumor drug and application of isoniazid in preparation of the anti-tumor drug, and belongs to the technical field of biomedicine. According to the application of the isoniazid in preparation of the anti-tumor drug, the anti-tumor drug is a compound preparation of a chemotherapy drug and an enhancer thereof, and the isoniazid is used as the enhancer of the chemotherapy drug. The compound preparation clears away a path through promoting oxidation of tumor cells and blocking cell active oxygen, so as to improve the level of the active oxygen in the tumor cells, thereby enhancing the ability of the chemotherapy drug to kill the tumor cells. According to the anti-tumor drug and the application of the isoniazid in preparation of the anti-tumor drug, the usage amount of the anti-tumor chemotherapy drug is effectively reduced under the same curative effect, the inhibitory effect on the tumor cells is stronger and selectivity is realized, that is, normal cells are less damaged, and the toxic and side effects of doxorubicin are effectively reduced; a safer and more effective chemotherapy drug administration method is provided; a relatively high popularizationvalue is realized.

The invention discloses an electrostatic chuck device and belongs to the technical field of semiconductor wafer processing. The electrostatic chuck comprises a first insulation layer, a second insulation layer, an electrode layer and a metal layer. The first insulation layer is arranged above the second insulation layer. The electrode layer is arranged between the first insulation layer and the second insulation layer. The second insulation layer is arranged on the metal layer. The first insulation layer is of sapphire material. The electrostatic chuck device has strong anti-corrosion capability and uniform electrostatic absorption capacity, and has low requirements for equipment.

This invention discloses a new kind of microorganism which has the ability to lysis Acarbose and / or its derivatives to produce validamycoenamine. This microorganism belongs to Klebsiellaí»s Klebsiella oxytoca CCTCC No.M 205091. This invention discloses method of producing validamycoenamine using this microorganism to lysis Acarbose and / or its derivatives. The microorganism CCTCC No.M 205091 directly ferments and decomposes substrates Acarbose and / or its derivatives by culturing in the medium. Or get the thallus by culturing in the medium and produce validamycoenamine by catalyzing decomposing the substrates Acarbose and / or its derivatives.

The invention relates to an ammonium carbonate salt-based cane sugar juice clarifying, decolouring and decontaminating method including the following steps: adding a proper amount of calcium hydroxide emulsion or calcium oxide emulsion and ammonium carbonate salt into sugar juice, fully mixing for reaction for 0 to 45 minutes; heating the sugar juice to 50 to 100 DEG C to remove ammonia produced by the reaction, regulating the sugar juice pH value to 7.0-7.5; continuing heating up to 70 to 100 DEG C, adding 1-15ppm of polyacrylamide flocculant for flocculating settling, and separating settled flocculate to obtain clarified, decoloured and decontaminated sugar juice. The ammonium carbonate salt is ammonium carbonate, ammonium hydrogen carbonate, crystal water-containing ammonium carbonate, or crystal water-containing ammonium hydrogen carbonate; and the sugar juice is mixed cane sugar juice, clear juice or syrup, or a brown granulated sugar redissolution solution; the ammonium carbonate salt (ammonium carbonate or ammonium hydrogen carbonate) is used for substitution of carbon dioxide gas for reacting with lime emulsion to produce calcium carbonate particles precipitate, the decontaminating method is used for clarifying, decolouring and decontaminating the sugar juice, and the clarifying, decolouring and decontaminating effect is good.

The invention discloses a selective synthesis method of sn-1 chloropropanol fatty acid ester, which comprises the following steps: 1) adding an aluminosilicate molecular sieve into an iron salt solution, heating and stirring to react sufficiently, carrying out vacuum filtration while the solution is hot, and carrying out vacuum drying on the filtered substance to obtain the aluminosilicate molecular sieve-supported iron salt catalyst; and 2) preheating and melting fatty acid, evenly mixing with the aluminosilicate molecular sieve-supported iron salt catalyst, dropwisely and slowly adding epoxy chloropropane, reacting at 50-90 DEG C for 24-80 hours, carrying out vacuum filtration to remove the catalyst, washing with methanol, and concentrating the filtrate to obtain the product. The method has the advantages of abundant raw material sources, high product selectivity, simple preparation and after-treatment, low cost, low environmental pollution and the like.

The invention discloses a preparation method of O, O '-dimethyl thiophosphoric amide. The method comprises the following steps: adding water and O, O '-dimethyl thiophosphoryl chloride into a reactioncontainer, stirring, introducing liquid ammonia at a set temperature to enable the mass ratio of the water in the reaction container to the introduced liquid ammonia to be 1: (0.30-0.35) for ammoniation reaction, and stopping introducing the liquid ammonia when the pH value of reaction liquid reaches 8-9; after the reaction is finished, carrying out liquid-solid separation, separating out a water-phase liquid, an organic-phase liquid and a white ammonium chloride solid, and introducing the separated water-phase liquid into a reaction container for cyclic utilization; and distilling the organic phase liquid to recover the solvent, thereby obtaining O, O '-dimethyl thiophosphoric amide. According to the method, the ammonia ratio of a reaction system is increased, the speed is high, the reaction is complete, no wastewater is discharged, the yield is high and the quality is good.

The invention belongs to the field of medicines and particularly discloses a method for preparing a polyphenol hydroxy flavone compound with a pharmaceutical function. According to the invention, the method comprises the steps of: taking scutellarin and methanol as chlorides of a catalyst, and heating and reacting in a solvent to obtain the polyphenol hydroxy flavone compound. The method is moderate in reacting condition, simple in operation and high in product yield, and is convenient to realize industrialized production; and thus the method has a good industrial application prospect.

From February 2020, the novel coronaviruses (2019-nCoV) with a high degree of human-to-human transmission are popular in the world; and personal hand hygiene and disinfection of objects carried by a person, such as keys, glasses and mobile phones, are lack of convenient and portable disinfection appliances. The invention discloses a method for killing coronaviruses, in particular to novel coronaviruses, various bacteria and various viruses and medicament application. The invention relates to a method for killing coronaviruses, in particular to novel coronaviruses, various bacteria and variousviruses, by using ozone. The method comprises a room indoor ozone gas stirring disinfection method, an air conditioner ozone disinfection method and the like. The invention relates to a kind of medicament for killing coronaviruses, in particular to novel coronaviruses, various bacteria and various viruses, which comprises ozone (liquid), peracetic acid (liquid) and ethanol-based disinfection liquid (gas). The invention relates to a drug application series device for killing coronaviruses, in particular to novel coronaviruses, various bacteria, various viruses and the like.

The invention provides application of a compound preparation of ascorbic acid and metformin in preparing a chemotherapeutic drug. The mass ratio of the ascorbic acid to the metformin is (1.76 to 3.52)to (1.66 to 6.62). In an application solution of the compound preparation, the concentration of the ascorbic acid is 10mmol / L to 20mmol / L, and the concentration of the metformin is 10mmol / L to 40mmol / L. The compound preparation provided by the invention integrates the ascorbic acid and the metformin so as to be used as the chemotherapeutic drug for high-efficiently killing tumor cells, so that achemotherapeutic effect is improved. The chemotherapeutic drug provided by the invention not only has a higher inhibiting effect on tumor cells and higher selectivity, and is less in damaging normal cells, but also can be beneficial to great reducing of patient hospitalizing cost due to cheap prices of the two medicines; the invention provides the safer and more effective chemotherapeutic drug with a higher popularization value.

The invention discloses an application and a product of dsRNA in potato beetle control, and relates to an application of a gene product in potato beetle control and a derivative product. The dsRNA product has strong stability, mature production technology and low cost, and is an effective cheap 'gene pesticide' product with strong specificity, green and environmental protection. The application ofthe dsRNA product in potato beetle control has great and far-reaching significance in potato beetle control. After a potato beetle pesticide is sprayed on leaves of potato plants at a low dose, the potted potato plants can continuously resist insects for more than 28 days, and the control effect reaches more than 80%; and under the outdoor strong ultraviolet condition, the potato beetle pesticidestill has a strong poisoning effect on potato beetles, the field prevention and control lasting period is about 3 weeks, and the prevention and control effect is gradually reduced from 50% to about 10%.

The invention discloses a shape-stabilized phase change material taking alumina hollow spheres as a carrier. The material is composed of the following raw material components in percentage by mass: 38.39%-39.18% of paraffin, 46.07%-46.67% of alumina hollow spheres and 14.74%-14.94% of styrene-acrylic emulsion, totaling 100%. The shape-stabilized phase-change material solves the problems of poor thermal performance, low strength and the like of the existing shape-stabilized phase-change material, and has the characteristics of excellent heat storage performance, high heat exchange efficiency and good strength. The preparation method provided by the invention solves the problems of poor thermal performance, complex preparation process and high cost of the existing shape-stabilized phase change material.