52results about How to "Avoid volatile" patented technology

The invention relates to a circular revolving brush electrostatic spinning device comprising a liquid supplying system, a brush type spinning system and a nano-fiber collecting system. The brush type spinning system comprises a brush head, a brush shaft, a cylindrical seat and a metal annular sprayer; the brush head is installed on the tail end of the brush head; the cylindrical seat is mounted on the brush shaft; the metal annular sprayer is arranged in a place on the upper end of the cylindrical seat and corresponding to the brush head; a bearing is arranged on the lower end of the cylindrical seat and on the brush shaft; the bearing is connected with a motor via a belt; the liquid supplying system has an air bottle, a spinning liquid storage bottle and a liquid guiding pipeline; the liquid guiding pipeline is disposed in the brush shaft; the upper end of the liquid guiding pipeline is connected with the brush head and the lower end extends into the bottom of the spinning liquid storage bottle; and the spinning storage bottle is connected with the air bottle via an air pipe. High-polymer solution can be automatically fed and nano-fibers can be prepared in batches in a stable way; and meanwhile, problems of volatilization of solvent during the electrostatic spinning and uncontrollability of the nano-fiber structure can be solved.

The invention provides a fusion method for nanoliter-sized micro droplets in a small-scale reaction tube. The method is carried out in an environment where static electricity is sufficiently eliminated, the small-scale reaction tube in which an oil phase immiscible with the micro droplets is added in advance is provided, and an appropriate amount of a surfactant is added into the oil phase; the small-scale reaction tube can receive two or more nanoliter volume micro droplets prepared by technologies such as an ink-jet technology, a flow-type sorting technology and a droplet microfluidics; andthe two or more droplets deposited on the bottom of the small-scale reaction tube are contacted and fused by utilizing acting force including centrifugal force, vibration force, electromagnetic fieldacting force and the like for promoting droplet fusion. The fusion method for the micro droplets provided by the invention is characterized in that through addition of the appropriate amount of the surfactant in the oil phase, resistance of the micro droplets to enter the oil phase is reduced, surface charges of the droplets are shielded, and sedimentation and fusion of the micro droplets are promoted. The method provided by the invention has broad application prospects in application fields such as micro-volume biochemical reaction screening and single-cell analysis.

The invention discloses a solar battery based on a silicon nano material. The solar battery based on the silicon nano material comprises a silicon wafer on which conductive glass is arranged; an insulation sealing layer is encircled between the conductive glass and the silicon wafer; an electrolyte chamber is formed between the conductive glass and the silicon wafer; ion liquid electrolyte is arranged in the electrolyte chamber; and lead-out electrodes are arranged on the backs of the conductive glass and the silicon wafer so as to form an ohm electrode structure. The solar battery has the characteristics of high thermal stability and chemical stability; a thinner silicon wafer can be used as a silicon electrode, the requirement for purity of the silicon is relatively low and the encapsulation requirement on the battery is reduced greatly at the same time. The invention also provides a low-cost, high-efficiency and stable technology for preparing the solar battery, which has a positive practical significance.

The invention relates to a spherical opposite-spraying type batched nanofiber yarn processing device and a using method thereof. The device comprises a body and a base. Crossed wedge grooves are formed in the middle of the base. The body is symmetrically arranged on the second wedge groove along the first wedge groove. The body comprises a liquid supply system, a separation electric field control system, a spherical brush type spinneret system, a nanofiber yarn forming system and a nanofiber yarn collecting system. The liquid supply system comprises an air cylinder, a spinning solution storage bottle, an oil bath groove and a liquid guiding pipe. The spinning solution storage bottle is arranged inside the oil bath groove. The spinning solution storage bottle, the liquid guiding pipe and a liquid brushing groove form a communicating vessel structure. The spinning solution storage bottle is connected with the air cylinder through an air pipe. A main valve and a pressure reduction valve are sequentially arranged at the portion, close to the air cylinder, of the air pipe. Due to the liquid supply system adopting the air pressure communicating vessel, automatic supply of a high polymer solution can be achieved, and the device is simple and easy to use, and convenient to operate.

The present invention discloses a manufacture method of fragrant tea made of sticky rice; the method comprises cleansing, spreading and drying: the fragrant and fresh leaf picked is cleansed and spread on the bamboo winnow for drying; water removing: microwave water-removing and drying machine is used for removing water and the microwave frequency is 2450 plus/minus 50 MHz and the microwave power is 2 to 6 kW and time for water removing is 2 to 8 minutes; cooling: the sticky rice fragrant leaf after water is removed is cooled by a blower or fan to the temperature in the room; rolling: the cooled sticky rice fragrant leaves are poured into a tea rolling machine for rolling for 20 to 30 minutes with the method of light rolling to heavy rolling to light rolling; drying: the rolled sticky rice fragrant leaves are made into fragrant tea after being dried by microwave water-removing device; the microwave frequency is2450 plus/minus 50 MHz and the microwave power is 2 to 6 kW and time for water removing is 2 to 8 minutes. The sticky rice fragrant tea processed with the present invention has higher quality and the fragrance is stronger which meets the life requirements of people; in addition, the processing process is not impacted by weather and the processing efficiency is high.

The invention discloses a low-VOC (volatile organic compound) semi-water-based heavy oil stain cleaning agent, and the cleaning agent comprises the following components in percentage by mass: 0.5-5% of a chelating agent, 0.5-3% of a surfactant, 0.5-10% of organic alkali, 0.1-0.5% of a corrosion inhibitor, 1-5% of an alcohol ether solvent, 5-20% of a builder and the balance of deionized water. Theinvention has the beneficial effects that the cleaning agent is of a semi-water-based type, a stable system is formed by combining an environment-friendly solvent and a water-soluble auxiliary agent,volatility and combustibility of the solvent are avoided, and the addition of organic alkali enhances the dissolving capacity of water-soluble dirt; warious metal processing oily dirt, including antirust oil, stamping oil, drawing oil, lubricating oil, animal fat and the like, attached to the surfaces of metal products such as steel and the like in the machining, manufacturing, storing and using processes can be rapidly and effectively removed.

The invention particularly relates to a device for sterilizing a medical pipe joint, and particularly relates to a device, which is suitable for being applied to peritoneal dialysis treatment and used for sterilizing a titanium joint of a peritoneal dialysis tube. The medical pipe joint is connected with a medical pipe. The device comprises a bottle body and a bottle cap, wherein the bottle body is used for loading a disinfectant; the bottle cap is tightly arranged at and connected to the upper end part of the bottle body; a hole for inserting and extracting the medical pipe joint is formed in the bottle cap; the diameter of the hole is correspondingly matched with that of the medical pipe joint; the area of the hole covers an elastic silicone membrane; the device is a sterilization space for providing external relative seal to the medical pipe joint. By adopting the device, the whole aseptic and safe sterilization process is effectively ensured; the operation is facilitated.

The invention provides a discharge additive of a polyester fabric. The discharge additive is prepared from, by weight, 50-73% of deionized water, 1-5% of phosphoric acid, 15-25% of a reducing agent, 1-5% of an emulsifier and 10-15% of a thickening agent. A printing paste of the polyester fabric comprises 94-100% of the discharge additive and 0-6% of a P type disperse dye. The invention also provides a discharge printing method of the polyester fabric. The method comprises the following steps of (1) printing by the printing paste, wherein the printing paste is applied on the surface of the colored polyester fabric for printing to form a pattern with colors; (2) aging, wherein the reducing agent performs reduction on the original disperse dye applied on the surface of the polyester fabric; (3) removal of paste through washing. The process is simple, saves the energy and reduces the consumption. The discharge additive has good stability, therefore, the effect can be achieved that the polyester fabric is subjected to printing after high-temperature dyeing by using the printing paste with the discharge additive, and the energy and the time are saved. The polyester fabric obtained by printing after high-temperature dyeing has excellent fastness in various aspects, uniform discharge printing and soft and full hand feeling.

The invention discloses a carburization preventing coating for ultralow carbon casting resin sand casting, and relates to the technical field of the casting industry. The carburization preventing coating comprises following raw materials including, by weight, 25-30 parts of resin modified cinerite, 10-15 parts of activated clay, 5-10 parts of coal ash, 3-5 parts of resin modified ceramic micro powder, 3-5 parts of carboxymethyl chito-oligosaccharide, 2-3 parts of sepiolite fiber powder, 2-3 parts of molecular sieve raw powder, 2-3 parts of asbestos powder, 1-2 parts of hydrolytic polymaleic anhydride, 1-2 parts of nano titanium dioxide, 0.05-0.1 part of yttrium oxide and 150-200 parts of water. The carburization preventing coating plays an excellent carburization preventing role through a formed dual CO gas blockage layer, the thickness of a carburization layer on the surface of an ultralow carbon casting obtained through sand casting after spraying of the carburization preventing coating is lower than 2.5 mm, and the carburization preventing effect is far superior to that of carburization preventing coatings sold on the market at present.

The invention provides a mango spice for a cigarette and a preparation method and appLication of a microcapsuLe thereof. The preparation method comprises the steps that fresh and ripe mangoes are dried and smashed, after ethyL aLcohoL heating extraction is carried out, then fiLtrating concentration is carried out to obtain mango extractum; the mango extractum is subjected to aLcohoL dissoLution, aceramic microfiLtration membrane and an organic membrane are used for performing uLtrafiLtration to remove macromoLecuLar and micromoLecuLar impurities respectiveLy, decompression and recovery are carried out to obtain the mango spice; the mango spice is dissoLved in water, an emuLsifying agent is added, high-speed stirring and emuLsification are carried out, a sodium aLginate soLution is added,after mixing uniformLy, the mixture is poured into spray condensing equipment, spray is carried out to prepare the microcapsuLe, and the microcapsuLe is received by a caLcium chLoride soLution; and the microcapsuLe is washed by ethyL aLcohoL and pure water respectiveLy, frozen and dried to obtain a finished microcapsuLe. The invention further provides appLication of the microcapsuLe in the cigarette, wherein the microcapsuLe is added into a composite fiLter stick to be roLLed into the cigarette; the amount of aroma can be significantLy increased after addition, the fruit sweetness and fragrance are obvious, the fragrance is coordinated, the sweet feeLing is increased, the irritation and offensive odors can be reduced, the smoke is soft, and the remaining taste is comfortabLe.

The invention provides an all-solid-state self-repairing ionic conductor and a preparation method thereof, and an ion device. The preparation method of the all-solid-state self-repairing ionic conductor comprises the following steps: mixing raw materials including a dipole monomer, an ionic liquid monomer and an initiator, and carrying out a polymerization reaction to obtain the all-solid-state self-repairing ionic conductor. The all-solid-state self-repairing ionic conductor is prepared by using the preparation method. The raw material of the ion device comprises the all-solid-state self-repairing ionic conductor. The all-solid-state self-repairing ionic conductor provided by the invention is high in light transmittance, can be easily designed into a transparent device, and can be widely applied to the field of optical ion devices; and the problems of easy volatilization, no high temperature resistance and the like of hydrogel and the problem of liquid leakage of ionic gel are completely avoided, and environmental stability is high.

The invention discloses an electronic case access method and system based on a block chain. A blockchain network comprises a plurality of blockchain nodes. When the blockchain nodes generate electronic medical record data, timestamps are marked in the electronic medical record data, the electronic medical record data are synchronized among the blockchain nodes of the blockchain network, and the synchronization time of the electronic medical record data in the blockchain nodes is used as a new timestamp; in the stage that a user accesses the electronic medical record data, whether the blockchain node of the user is allowed to access or not is verified by using a consensus mechanism; when access is allowed, the electronic medical record data is output and an access record of the user is stored. The security of remote and referral external access to the electronic medical record is greatly improved through the consensus mechanism, the risk of privacy leakage of a patient is reduced, and the problems of easy loss and difficult tracing are avoided due to the synchronization characteristic of the blockchain.

The invention discloses a cough and asthma relieving traditional Chinese medicine mixture and a preparation method of the mixture. The mixture comprises 10-16g semen armeniacae amarae, 12-20g pummelopeel, 10-18g radix angelicae, 10-18g tangerine peel, 8-15g poria cocos, 10-16g prepared pinellia ternata, 6-10g liquorice, 6-10g radix peucedani, 15-22g radix clematidis, 6-12g platycodon grandiflorum, 12-20g Chinese angelica, 12-20g semen raphani, 2-2.8g fructus gleditsiae, 12-20g rhizoma paridis, 8-15g bombyx batryticatus, 8-15g allium macrostemon, 8-15g honey snakegourd peel, 12-20g spina gleditsiae and 12-20g dandelion. The preparation method of the mixture comprises the steps of distilling mixed coarse powder of the pummelo peel, the radix angelicae, the tangerine peel, the radix peucedani and the Chinese angelica to extract volatile oil, heating, boiling and extracting filtration residue after distilling and the other raw materials for twice, merging and adding distilling filtrate and boiling and extracting filtrate into sucrose, taking supernate, concentrating the supernate to 1000mL, and adding hydroxybenzene ethyl ester and the volatile oil to form the finished product. The mixture has the advantages of stable and definite curative effect, low price, no toxic or side effects on a human body and obvious treatment effect.

The invention relates to the technical field of polyester production, and discloses a polyester production alcohol adding device based on gas thermal expansion and cold contraction. The polyester production alcohol adding device based on gas thermal expansion and cold contraction comprises a bottom frame; a reaction cylinder is fixedly mounted in the upper surface of the bottom frame; a heating block is fixedly mounted at the lower end in the reaction cylinder; a storage frame is fixedly mounted on the upper surface of the heating block; a pumping cylinder is fixedly mounted on the upper surface of the storage frame; a movable plate is slidably mounted in the pumping cylinder, a fixed pipe is fixedly mounted on the left side of the pumping cylinder, a fixed block is fixedly mounted on theleft side of the fixed pipe, the left side of the fixed pipe penetrates through and extends into the fixed block to be fixedly provided with a conveying cylinder, an expansion block is movably mountedat the lower end in the conveying cylinder, and a connecting block is fixedly mounted at the upper end of the expansion block. A rotating plate is adopted, the rotating plate can be effectively driven to move left and right when alcohol volatilizes and generated airflow impacts upwards, polyester can be stirred conveniently, and newly added alcohols can be better fused into polyester.

The invention provides a one-way negative-pressure adsorption sampling and filtering device and method. The device comprises a liquid taking tube, a filter and a negative-pressure metering bottle, wherein an oblique puncture port is formed in the liquid inlet end of the liquid taking tube, and a one-way valve is connected to the liquid outlet end of the liquid taking tube; the liquid inlet end ofthe filter is connected with the one-way valve, and the liquid outlet end of the filter is connected with a stop valve; the liquid inlet end of the negative-pressure metering bottle is connected withthe stop valve through a connecting pipe; the liquid outlet end of the negative-pressure metering bottle is connected with a negative-pressure vacuum pump through an air guide pipe; and a filter cavity is formed in the filter and is filled with a filter medium. According to the device, the operation process is simplified, and the operation safety is improved. The filter medium adopted by the method is a microporous filter membrane, and the specific operation process comprises the following steps: instrument assembling, disinfecting, sterile puncture drainage, control for the negative-pressureflow, quantitative adsorbing and filtering, prepared sample storage and transportation, cleaning area filter membrane transferring and transferring for biochemical culture; and water sample collectionand adsorption are directly carried out on a water quality sampling site to prepare a microporous filter membrane sample, so that the purpose of real-time, convenient, rapid and pollution-free samplepreparation is achieved.

The invention discloses a treatment agent used for enhanced primary treatment on acidic electroplating wastewater. The treatment agent used for the enhanced primary treatment on the acidic electroplating wastewater is characterized by being composed of the following ingredients in parts by mass: 10-20 parts of sodium sulfide, 3-8 parts of ferrous sulfate, 5-15 parts of sodium metabisulfite, 45-60parts of diatomite, 5-15 parts of iron powder, 3-8 parts of shell powder, 3-8 parts of sodium hydroxide, 7-20 parts of sodium bicarbonate, 5-12 parts of bacillus licheniformis, and 5-15 parts of activated carbon. The treatment agent used for the enhanced primary treatment on the acidic electroplating wastewater disclosed by the invention comprises the sodium sulfide, the ferrous sulfate, the sodium metabisulfite, the diatomite, the iron powder, the shell powder, the sodium hydroxide, the sodium bicarbonate, the bacillus licheniformis and the activated carbon; and the sodium hydroxide is addedin a small amount while the shell powder and sodium bicarbonate are added in relatively large amounts so that the treatment agent is powder with weak alkalinity, and thus, heat production can be reduced. In addition, the activated carbon is added, so that the treatment agent has enhanced adsorption effects so as to avoid volatilization of harmful volatile substances; and thus, good work environment is ensured.

The invention discloses a production process of an anti-static wall cloth. The production process comprises the following steps that 3, a mixed material and an additive material are put into an internal mixer to obtain a blocky mixed material, and the blocky mixed material is further mixed and plasticized by using a two-roller open mill to obtain a plasticized blocky mixed material; 4, the plasticized blocky mixed material is filtered by using a filter to remove impurity particles so as to obtain a purified blocky mixed material; 5, the purified blocky mixed material is calendered by using a four-roller calender to obtain a bottom layer and a surface layer; and 6, laminating the bottom layer, a filament cloth and the surface layer in sequence is achieved by using laminating equipment to obtain the anti-static wall cloth. The invention relates to the technical field of wall cloths. According to the production process of the anti-static wall cloth, the finished product produced by the production process has uniform holes and pore channels which are communicated with one another, so that the finished product has strong adsorption capacity, the anti-static wall cloth is free of peculiar smell, and the filament cloth is selected for enhancing the overall stability of the anti-static wall cloth.