142results about How to "Price stability" patented technology

The invention discloses a compound plant source agricultural bactericide and manufacturing method, which is characterized by the following: boiling traditional Chinese medicine with chenopodium ambrosioides, sickle wormwood, toosendanin and natural tanning; targeting plant fungus; displaying strong sterilizing specificity for cucumber, strawberry, tomato and potato.

The invention relates to a curing agent, namely, 4, 4 (1)-diphenylmethane diisocyanate prepolymer and a preparation method thereof. The method comprises the steps that molten 4, 4(1)-MDI and an organic solvent are added into a reaction vessel, and stirred uniformly, the temperature is raised to 65 DEG C, polyhydric alcohol dehydrated through evacuation is added, to react for 2 to 4 hours at 60 to 100 DEG C, and then an MDI modifier is produced; when being stirred, the mixed liquor of trimethylol propane and the organic solvent is titrated into the reaction vessel for 1 to 4 hour(s), the titration temperature is 60 to 100 DEG C, heat preservation and reaction are performed for 1 to 3 hour(s), then the temperature is raised to 90 to 100 DEG C and the heat preservation and the reaction are performed again for 1 to 4 hour(s), the temperature is reduced, and the organic solvent is added for dilution to appropriate viscosity. The curing agent has the advantages that the application scope is broad, the molecular structure of the polyhydric alcohol can be adjusted according to the requirements of users to produce the prepolymer of polyurethane coating, adhesive, and the curing agent, the storage stability is good, the curing speed is quick, the toxicity is low, the price is low, products with high solid content can be obtained, etc.

The invention provides a preparation method of a lithium iron phosphate/expanded graphite composite electrode material and a preparation method of a lithium ion capacitor made of the material, and relates to a preparation method of a lithium ion capacitor anode material and a preparation method of a lithium ion capacitor. The preparation methods overcome defects that the safety performance is poor, the cost and environmental pollution are high, lithium iron phosphate cannot be composited with graphite or graphene effectively to utilize excellent electrochemical properties of the graphite or the graphene. The preparation method of the composite electrode material comprises the steps of dissolving a phosphorus source, an iron source and a lithium source in H2O to prepare a lithium iron phosphate precursor, expanding the expandable graphite in a muffle furnace, preparing a lithium iron phosphate/expanded graphite composite precursor through mechanical mixing and ultrasonic treatment of the lithium iron phosphate precursor and the expandable graphite, and carbonizing to obtain the composite electrode material. The preparation method of the lithium ion capacitor comprises the steps of preparing the composite electrode material into an electrode plate to serve as an anode, mixing activated carbon and the graphite to prepare an electrode plate to serve as a cathode, sandwiching a polypropylene membrane between the anode and the cathode, and injecting an inorganic lithium salt aqueous solution as an electrolyte. An in-situ sol-gel composite method increases the utilization ratio of an active substance of the lithium iron phosphate, reduces the internal resistance of the material, and is simple to operate.

The invention discloses forage for laying hen and application thereof in laying hen production. The forage is prepared by following weight of components: 50-53 parts of corn, 12-18 parts of middle protein soybean meal, 4-6 parts of cotton meal, 4-6 parts of corn DDGS, 9-10 parts of stone powder, 0.8-1.2 parts of meat bone meal, 11-15 parts of biological protein forage and 0.8-1.2 parts of 1% laying hen premix. The biological protein forage provided by the present invention is light brown forage raw material with high quality, high energy and high protein, and has concentrated fragrance and strong palatability, so animal likes the forage. Content of thalline protein, peptide and free amino acid of the forage is high, and nutrient composition absorptivity is high. Simultaneously the raw material contains a large amount of beneficial microorganism and unknown growth factor, thereby improving micro-ecological environment in intestinal tract, increasing resistivity and disease resistance of animal, and reducing content of antibiotic medicament in the forage.

The invention belongs to the technical field of medicines, and particularly relates to a preparation method of N(2)-L-alanyl-L-glutamine. The preparation method of the N(2)-L-alanyl-L-glutamine comprises the following steps of (1) preparing L-phthaloyl-alanyl chloride; (2) preparing phthaloyl-L-alanyl-L-glutamic acid; (3) preparing phthaloyl-L-alanyl-L-glutamic acid anhydride; (4) preparing phthaloyl-L-alanyl-L-glutamine; (5) preparing an N(2)-L-alanyl-L-glutamine crude product; (6) preparing an N(2)-L-alanyl-L-glutamine refined product. The product obtained through the final deprotection process of the preparation method as a pilot plant test or a production scale process route is higher in purity; the liquid-phase purity of the product is higher than 99.9% through primary purification, and the product is low in impurity content.

The invention provides an inner wall coating composition with multiple environmental improvement functions, which mainly comprises the following components in part by weight: 35.0-40.0 parts of film-forming substance, 0.4-0.6 part of freeze-thawing stabilizer, 35.0-40.0 parts of color filler, 5-7 parts of coating auxiliary agent, 1-15 parts of bamboo charcoal and acceptable amount of water, wherein the film-forming substance is acrylic acid copolymer capable of stably complexing with bamboo charcoal particles; the freeze-thawing stabilizer is long-chain epoxyethane (EO) block fatty alcohol polyoxyethylene ether; and based on the total weight of the composition, the total content of volatile organic compounds (VOC) in the composition is not higher than 0.01wt%.

The invention discloses a polycarboxylic acid-series water reducing agent with ultrahigh water absorbing capacity and a preparation method and a use method thereof, belonging to the technical field of building materials. The water reducing agent consists of the following raw materials in parts by weight: 100 parts of unsaturated polyether (I), 10-18 parts of acrylic acid, 1-3 parts of acrylamide,1.25-9.25 parts of aconitic acid, 0.45-2.25 parts of hydrogen peroxide, 0.15-0.75 part of L-ascorbic acid, 0.12-0.48 part of mercaptoacetic acid, 0.12-0.48 part of mercaptopropionic acid, 6-10 parts of sodium hydrate and 125-195 parts of water. The invention provides a polycarboxylic acid-series water reducing agent having the advantages of simple process, convenience for operating, low raw material cost and ultrahigh water absorbing capacity, a preparation method and a use method. Self-made unsaturated polyether (I) DD-405 is used for replacing methyl allyl polyethenoxy ether, so that the raw material supply market of the polycarboxylic acid-series water reducing agent is expanded, raw material cost is reduced, and raw material price is stabilized. The polycarboxylic acid-series water reducing agent is suitable for construction projects of high-rise buildings, large-span bridges, marine drilling platforms, tunnels, dams and airports.

The invention discloses a management method for the commodity price on the electronic commerce transaction platform, and the price control information arranged by the commodity provider; when the commodity price is changed by the provider, the method also comprises: an electronic commerce transaction platform is used for judging whether the price control information is arranged; the current processing flow is ended if the control information is not arranged; and the corresponding commodity price is adjusted by the electronic commerce transaction platform according to the price after the change of the provider and the price control information if the control information is arranged. The invention also discloses a management system for the commodity price on the electronic commerce transaction platform; the invention has the advantage of ensuring relative stability of the commodity price on the electronic commerce transaction platform during the transaction, safety and reliability of the transaction to the commodity provider.

Methods and systems for tournament ticketing. A method of tournament ticketing includes: selling Nc tokens for each contestant c in a tournament, the tokens being redeemable for tickets to matches i of a particular contestant c in the tournament; and obtaining Ti tickets to each match i of the tournament.

The invention discloses biomass-based flame-retardant polyurethane soft sponge foams and a preparation method thereof. The foams are characterized by being environmental-friendly renewable biomass-based flame-retardant polyurethane soft sponge foams which are prepared by mixing flame-retardant modified epoxy soybean oil polyhydric alcohols (a), and polymer polyhydric alcohols (b) as main raw materials, mixing with a isocyanate component (c), foaming and polymerizing under the action of a reactive or low-odor catalyst, a physical and/or chemical foaming agent, a foam stabilizer or a flame retardant. As the biomass-based flame-retardant polyurethane soft sponge foams disclosed by the invention are produced from renewable biomass raw materials, the dependency of foam synthetic products on petroleum and coal resources is reduced, the product price is stabilized, and the purposes of environment protection and low carbon are also achieved.

The invention discloses a multifunctional liquid jade coating, which comprises: 10-15 parts of a hydroxyethyl cellulose aqueous solution; 24-36 parts of an adhesive; 56-65 parts of natural color jade powder; 3-5 parts of a borosilicate inorganic glass flake; 3-5 parts of an inorganic flame retardant; 3-5 parts of talcum powder; 0.5 part of natural color mica or composite mica titanium; 0.15 part of an antimildew agent; 0.15 part of an antioxidant; and 0.2 part of a functional aid. Being non-toxic, odorless, nonflammable, and convenient for storage and transportation, the multifunctional liquid jade coating provided in the invention is a multifunctional high-quality coating with acid and alkali resistance, high temperature resistance and other properties, and has the characteristics of heat insulation, sound insulation, waterproofness, corrosion resistance, weathering resistance, flexibility and cracking resistance, strong adhesion and shedding resistance, green and environmental protection, and wide using range. The invention also discloses a preparation method of the liquid jade coating, and the method is simple and is easy to implement.

The invention discloses a composite adhesive for timber, a formaldehyde-free shaving board and a manufacturing method of the formaldehyde-free shaving board. The composite adhesive for the timber is characterized by comprising, by weight, 4-7 parts of a biological base formaldehyde-free adhesive and 1-4 parts of aromatic isocyanates with absolute alcohol dry as the standard. The shaving board produced through the composite adhesive for the timber does not contain formaldehyde and is good in water resistance, high in mechanical property and good in oil paint adhesiveness; the main adhesive, namely the biological base adhesive, is moderate in cost and relatively stable in price; the composite adhesive is high in heat curing efficiency; and industrialization can be achieved through slight improvement on an existing dry-method shaving board production line, the problem that at present, the production cost of the formaldehyde-free shaving board stays at a high level can be effectively solved, and market prospect is good.

Disclosed are a combined packing box for customers to purchase conveniently and a using method thereof. By being combined with application of existing rules of post codes, advanced refrigerating and thermal preserving technology, network information spreading technology, self-service charging terminal technology, intelligent lock locking and unlocking technology and remote control technology, the combined packing box with retailing transaction functions including placing an order, storing, valuating, paying and the like is manufactured in an optimized and combined manner and a field mounting application method convenient for the customers is provided. By the combined packing box, contradiction of supply and demand between production and consumption can be solved to the greatest extent, credit balance of customers and merchants is achieved, price stability and circular economy development are benefited, and the combined packing box has significance for sustainable development and civilization progress of the entire society.

The invention relates to a method for preparing AlN ceramic powder through a carbothermal reduction nitridation method, and belongs to the field of ceramic material preparation. The method is carriedout in an atmosphere synthesis device by taking aluminum oxide powder, carbon powder and nitrogen gas as raw materials, in the preparation process, nitrogen gas is continuously or intermittently introduced into the atmosphere synthesis device, and the gas pressure in the atmosphere synthesis device is controlled to generate pressure difference by adjusting the gas charging rate and the gas discharging rate, so that the atmosphere synthesis device has the pulse type characteristics of slow charging and quick discharging and is dynamically changed in real time in a periodic circulation manner, and the circulation period is 0.1-20 minutes. According to the invention, under the condition of no additive, pulse-type periodically-circulating real-time-changing air pressure is formed by utilizingan air pressure regulation and control technology, so that exchange of gas inside and outside a powder layer is promoted, pure-phase AlN can still be obtained under the condition of increasing the thickness of the powder layer, and the quality of AlN powder is guaranteed.

The invention relates to an intelligent scanning demagnetizing device. The intelligent scanning demagnetizing device is characterized by comprising a tablet personal computer credit card POS machine all-in-one machine, a scanning demagnetizing all-in-one machine, a bill printer, a shopping information display screen, a security door control system, a fitness equipment low-voltage power source interface, a mobile phone charging interface and a storage battery. The intelligent scanning demagnetizing device solves the social problem that time is wasted when people wait in a queue at an exit of a supermarket or a shopping mall, and the operation cost is lowered; the number of charging ports is decreased, salaries of cashiers are reduced, the problems of damage and stealing are solved, meanwhile, commodity prices of the supermarket are stabilized, the function that a consumer can go shopping while surfing the Internet is added, the consumer can achieve self-service shopping only by pushing a shopping cart with the intelligent scanning demagnetizing device, only one minute is enough from payment to the exit after shopping is completed, and the intelligent scanning demagnetizing device has the key role in transforming and updating supermarkets and large shopping malls in the future and improving the service quality, and improves happy lives of people.

The invention discloses a method for producing and harvesting porcine reproductive and respiratory syndrome viruses (PRRSV), which comprises the following steps: culturing Marc-145 cells in a spinner bottle; after the cells grow into a monolayer, removing a growth-promoting media; inoculating the PRRSV according to 0.01 infection multiplicity (MOI: multiplicity of infection); absorbing for 1 hour at a temperature of 37 DEG C; adding DMEM serving as a maintenance media to carry out expanding propagation of viruses; arranging the spinner bottle on a rotary machine of a 37 DEG C thermostatic chamber to carry out rotation culture for 72 to 84 hours; and when 75 to 80 percent of cytopathic effect occurs, directly collecting the supernatant to obtain the PRRSV. The invention reduces allergen in the rough antigens and improves the vaccine quality. And the time that the Marc-145 cells have CPE is consilient with that before the process is improved, but the virus harvesting time is shortened.

The friction material without asbestos consists of modified phenolic resin, iron ore powder, re-burnt magnesite, alumina, clinostrengite powder, silica, barytine, wollastonite, carbon black, calcium carbonate, graphite, tire powder, zinc stearate, plant fiber, sepiolite and steel fiber. Using plant fiber and sepiolite to replace asbestos and glass fiber separately can eliminate the harm of asbestos and glass fiber to human health. The friction material has the features of high tensile strength, high toughness, heat resistance, and stable heat decay performance, and may be used in friction wafer for common vehicle and heavy truck.