113results about How to "High chemistry" patented technology

A corrosion-inhibiting composition for application to a metal substrate, such as aluminum or steel, and in connection with a paint, and the synthesis of the composition. The active inhibitor constituent of the composition can be selected from the group consisting of 2,5-dimercapto-1,3,4 thiadiazole (DMTD), 2,4-dimercapto-s-triazolo-[4,3-b]-1,3-4-thiadiazole, trithiocyanuric acid (TMT), and derivatives of DMTD and TMT, including various N— or S— and N, N—, S— and N—,S-substituted derivatives of DMTD, including salts of DMTD of the general formula: M(DMTD)_n, where n=1,2 or 3, and M is a metal cation and preferably M=Zn(II), Bi(III), Co(II), Ni(II), Cd(II), Pb(II), Ag(I), Sb(III), Cu(II), Li(I), Ca(II), Sr(II), Mg(II), La(III), Ce(III), Pr(III), Al(III) or Zr(IV). DMTD, TMT, and their derivatives may also be combined with phosphates, molybdates, borates, silicates, tungstates, phosphotungstates, phosphomolybdates, cyanamides, carbonates, SiO₂ and mixtures thereof.

A variable capacitor power supply for a high-power, industrial magnetron is powered directly from a conventional, public-service, 4,160 volt and higher power line. The magnetron's output is removably attached to a tractor trailers or train boxcar fabricated as a microwave work chambers. Microwave work chambers are configured to dry waste, burn dried waste, enhance chemical processes, fix free nitrogen, burn waste metal, reclaim component metals from mixed waste metal, and for gasification, pyrolysis, and plasma waste disposal. Alternately, the microwave power supply is removably connected to an underground cave, configured as a microwave oven chamber, to microwave waste therein. The microwave power supply is located in the basement of a high rise building designed to convert the high rise building waste into heat and electricity.

The invention provides a method for preparing a hydroxyapatite/titanium dioxide composite bioactive coating on the surfaces of medical metals such as a titanium alloy, and the like, and belongs to the technical field of the preparation of bioactive coatings on the surface of the titanium alloy. The composite coating is prepared by preparing precursor sols of HA and TiO2 respectively, then mixing the precursor sols of the HA and the TiO2, and performing aging, coating, drying and heat treatment. The coating has high bioactivity, low cost of preparation technology, and high bonding strength with a matrix, is applicable to the preparation of surface coatings of various complicated geometric structures, and can be used for surface modification of surgical implants such as artificial hip joints and dental implants as well as orthopedic instrument products.

A device for cosmetic treatment of human skin, including: a needle for inserting into the skin; a DC power source electrically connected to the needle for providing negative current to the needle; an anode that is electrically connected to the DC power source to receive positive current, and that is adapted to be placed in contact with the skin of the person into which the needle is inserted to form a closed electrical circuit; at least one RF transmitter coupled to the needle for radiating the area around where the needle is inserted to provide heat while the needle is deployed.

The invention discloses monodisperse superparamagnetic nano crystal colloidal core-shell composite particles, which are monodisperse superparamagnetic nano cluster particles which are gathered by ferroferric oxide nanocrystalline. The surfaces of the particles are coated by polyvinylpyrrolidone. The preparation method of the composite particles comprises the following steps: adding trivalent iron salt to polyol mixture solution of polyvinylpyrrolidone and polyhydroxy compounds; agitating until the trivalent iron salt is completely dissolved; adjusting the pH value to 8.0-10.0, then carrying out enclosed heating to 180-240 DEG C, and carrying out heat preservation for 6-48 hours. The monodisperse superparamagnetic nano crystal colloidal core-shell composite particles disclosed by the invention can be assembled into different colors of photonic crystal in a magnetic control manner; the dependency level of the magnetic photonic crystal on the solvent polarity, the ion strength and the pH value can be reduced.

Methods of separating and purifying products from the catalytic fast pyrolysis of biomass are described. In a preferred method, a portion of the products from a pyrolysis reactor are recovered and purified using a hydrotreating step that reduces the content of sulfur, nitrogen, and oxygen components, and hydrogenates olefins to produce aromatic products that meet commercial quality specifications.

The invention discloses a solidification and stabilization method for a hazardous waste containing toxic organic compounds, which belongs to the hazardous waste treatment technical field of environment protection. According to a dry weight ratio, 30 to 60 percent of the hazardous waste containing toxic organic compounds, 0.5 to 10 percent of an additive, 30 to 60 percent of inorganic cementing agent and curing agent are added into an agitator and are stirred by adding water, meanwhile, a gas internal circulation device is started, the gas in the agitator is adsorbed and purified by a gas adsorbing and purifying device, and then part of the gas is fed back into the agitator; after being evenly mixed and stirred materials are discharged, solidified and fed into a maintenance house, and the solidification and stabilization of the hazardous waste containing toxic organic compounds is finished. The additive comprises an adsorbent with adsorbing effect and a structural modifier which can improve the structural performance of a product, such as activated carbon, water glass, calcium chloride, etc. The inorganic cementing agent and curing agent refers to hydraulicity cementing material. The solidification rate of the invention can reach more than 90 percent; and gas circulation can reduce polluted gas discharging, thus being capable of effectively reducing the occurrence of secondary pollution.

The invention discloses a making method of non-crystal starch particle without non-organic solvent water phase, which comprises the following steps: dispersing starch in the water or salt solution; allocating even starch emulsion; heating; or adding alkaline to improve pH value; proceeding non-crystal disposal; drying; grinding; sieving; placing obtaining the product with higher chemical and biological reacting activity and better penetrability and manufacturing property.

The invention discloses a semiconductor emitting material that is stimulated by near ultraviolet or ultraviolet. The constituents are ZnO: Sx, My and 10-4<=x<=10-2, 0<=y<=0.2. M is selected from Li, Na, K or rare earth of Eu, Tb. When M is Na, it has better emitting effect. The invention also discloses the manufacture method and the performance testing result. The invention has strong absorption near 370-440nm wavelength ultraviolet and blue light zone, and has strong emission between 450-600nm wavelengths. It could be used in LED and LD.

The invention provides a preparation method of micro-and nanoscale protein crystals capable of stably existing in air. Protein mini-crystals grow through the simple and feasible method, chemical cross-linking is conducted on the mini-crystals through a cross-linking agent, and the protein mini-crystals capable of stably existing in air are obtained. The method is convenient to operate, economical and practical; the prepared protein mini-crystals do not need crystal rings or capillary tubes when used for free electron laser diffraction, and background scattering can be eliminated; when the crystals are used as a catalyst, a sample can not be dissolved and can be repeatedly used.

The invention relates to the field of luminescent materials, and discloses a red light phosphor excited by blue light, which has strong absorption to blue visible light between 430 and 500 nm and has strong emission between 630 and 650 nm. The constituents are expressed by the following general formulas: RMoO4: (Pr, MX)n, 0.005 is less than or equal to n and n is less than or equal to 0.05; wherein, R is an alkaline earth metal selected from calcium, magnesium, strontium or barium, M is a alkali metal selected from lithium, natrium or kalium; Y is a halogen selected from fluorine, chlorine, bromine or iodine. The preparation method is that grind and uniformly mix the precursor containing the alkaline earth metal, the precursor containing molybdenum and the precursor containing praseodymium with the alkali metal-halogen precursor, and then sintering the mixture for 1-5 hours at the temperature of 800-1000 DEG. The method has the advantages of low sintering temperature by adopting a grinding method to be combined with a gas oxidation method, simple production technology which is easy to be operated, and low cost raw materials which are easy to be obtained and applicable to industrial production. Furthermore, the light emitting efficiency of the obtained products is very high with excellent chemical and optical stability.

The invention provides environment-friendly latex paint taking ceramic polishing waste residues as regenerated filling and a preparation method thereof and relates to the technical field of environment protection. The environment-friendly latex paint taking the ceramic polishing waste residues as the regenerated filling is prepared from the following raw materials in percentage by weight: 10 percent to 50 percent of the ceramic polishing waste residues, 10 percent to 50 percent of emulsion, 0 to 28 percent of pigment and filling, 1 percent to 21.5 percent of an additive and the balance of water. According to the latex paint provided by the invention, resources are saved, the cost is reduced and the latex paint is safe and environmentally friendly; the latex paint has relatively good chemical and mechanical performance including acid and alkali resistance, scrubbing resistance, wear resistance and the like; the environment-friendly latex paint has a wide application range and a better application prospect. The preparation method of the environment-friendly latex paint taking the ceramic polishing waste residues as the regenerated filling comprises the following steps: after sandingand pulping the ceramic polishing waste residues, the pigment and filling, the additive and the water, adding the emulsion and blending. The method has the advantages of simple preparation technology,strong controllability and low preparation cost is suitable for large-scale production.