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 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 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 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 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.

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.