2178results about How to "Not volatile" patented technology

A gas-phase method for producing high yields of single-wall carbon nanotubes with high purity and homogeneity is disclosed. The method involves using preformed metal catalyst clusters to initiate and grow single-wall carbon nanotubes. In one embodiment, multi-metallic catalyst precursors are used to facilitate the metal catalyst cluster formation. The catalyst clusters are grown to the desired size before mixing with a carbon-containing feedstock at a temperature and pressure sufficient to initiate and form single-wall carbon nanotubes. The method also involves using small fullerenes and preformed sections of single-wall carbon nanotubes, either derivatized or underivatized, as seed molecules for expediting the growth and increasing the yield of single-wall carbon nanotubes. The multi-metallic catalyst precursors and the seed molecules may be introduced into the reactor by means of a supercritical fluid. In addition the seed molecules may be introduced into the reactor via an aerosol or smoke.

The invention relates to a mechanism sealing controllable testing device that includes sealing system, driving system, end face specific pressure loading and servo feed back system, end face attrition torque and end face specific pressure testing system, film thickness testing system, leakage testing system, static loop temperature feedback system, medium temperature and pressure measuring system, experiment medium pressurizing recycling system, data collection and control system. The invention has wide application range, and would be researched under different conditions.

A gas-phase method for producing high yields of single-wall carbon nanotubes with high purity and homogeneity is disclosed. The method involves using preformed metal catalyst clusters to initiate and grow single-wall carbon nanotubes. In one embodiment, multi-metallic catalyst precursors are used to facilitate the metal catalyst cluster formation. The catalyst clusters are grown to the desired size before mixing with a carbon-containing feedstock at a temperature and pressure sufficient to initiate and form single-wall carbon nanotubes. The method also involves using small fullerenes and preformed sections of single-wall carbon nanotubes, either derivatized or underivatized, as seed molecules for expediting the growth and increasing the yield of single-wall carbon nanotubes. The multi-metallic catalyst precursors and the seed molecules may be introduced into the reactor by means of a supercritical fluid. In addition the seed molecules may be introduced into the reactor via an aerosol or smoke.

A carbonylation catalyst useful for producing esters and carboxylic acids in a vapor phase carbonylation process, wherein the catalyst includes a solid component having a catalytically effective amount of platinum and tin associated with a solid catalyst support material and a vaporous halide promoter component.

Processes are provided for the storage and release of hydrogen by means of a substantially reversible catalytic hydrogenation of extended pi-conjugated substrates which include large polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons with nitrogen heteroatoms, polycyclic aromatic hydrocarbons with oxygen heteroatoms, polycyclic aromatic hydrocarbons with alkyl, alkoxy, nitrile, ketone, ether or polyether substituents, pi-conjugated molecules comprising 5 membered rings, pi-conjugated molecules comprising six and five membered rings with nitrogen or oxygen hetero atoms, and extended pi-conjugated organic polymers. The hydrogen, contained in the at least partially hydrogenated form of the extended pi-conjugated system, can be facilely released for use by a catalytic dehydrogenation of the latter in the presence of a dehydrogenation catalyst which can be effected by lowering the hydrogen gas pressure, generally to pressures greater than 0.1 bar or raising the temperature to less than 250° C. or less, or by a combination of these two process parameters.

Processes are provided for the storage and release of hydrogen by means of a substantially reversible catalytic hydrogenation of extended pi-conjugated substrates which include large polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons with nitrogen heteroatoms, polycyclic aromatic hydrocarbons with oxygen heteroatoms, polycyclic aromatic hydrocarbons with alkyl, alkoxy, ketone, ether or polyether substituents, pi-conjugated molecules comprising 5 membered rings, pi-conjugated molecules comprising six and five membered rings with nitrogen or oxygen hetero atoms, and extended pi-conjugated organic polymers. The hydrogen, contained in the at least partially hydrogenated form of the extended pi-conjugated system, can be facilely released for use by a catalytic dehydrogenation of the latter in the presence of a dehydrogenation catalyst which can be effected by lowering the hydrogen gas pressure, generally to pressures greater than 0.1 bar or raising the temperature to less than 250° C. or less, or by a combination of these two process parameters.

The invention discloses a control method for aerosol in flue gas desulfurization by utilizing an ammonia method and a master desulfurizing tower, and the control method is characterized in that flue gas enters the master desulfurizing tower after being cooled to the relative humidity of 90 to 100% and the temperature of 60 to 80 DEG C through high-pressure waster mist or prewashing temperature reduction; the generation of the aerosol particles in the desulfurization by utilizing the ammonia method is reduced by optimizing desulfurization operating conditions, and the formed aerosol particles are condensed to grow big and are partially washed to be eliminated through a desulfurizing solution; an appropriate amount of steam is injected into the saturated flue gas through desulfurizing and eliminating the partial aerosol particles; the oversaturated water vapor environment required by the secondary condensation and the growth of the aerosol particles is established on the top of the master desulfurizing tower; and the condensed and the grown aerosol particles are eliminated through a high-efficiency demister. The invention combines the formation mechanism of the aerosol in the flue gas desulfurization by utilizing the ammonia method; and the formation of the aerosol is reduced by optimizing the process conditions of the desulfurization operation and the elimination of the formed aerosol is promoted by utilizing a steam phase change principle at the same time so that the exhaust problem of the aerosol in the flue gas desulfurization by utilizing the ammonia method can be effectively solved.

A pre-vaporization formulation for an e-vaping device includes a vapor former, optionally water, nicotine, nicotine bitartrate and an acid. The pH of the pre-vaporization formulation is between about 4 and about 6. The acid can include one or more of pyruvic acid, formic acid, oxalic acid, glycolic acid, acetic acid, isovaleric acid, valeric acid, propionic acid, octanoic acid, lactic acid, sorbic acid, malic acid, tartaric acid, succinic acid, citric acid, benzoic acid, oleic acid, aconitic acid, butyric acid, cinnamic acid, decanoic acid, 3,7-diemthyl-6-octenoic acid, 1-glutamic acid, heptanoic acid, hexanoic acid, 3-hexenoic acid, trans-2-hexenoic acid, isobutyric acid, lauric acid, 2-methylbutyric acid, 2-methylvaleric acid, myristic acid, nonanoic acid, palmitic acid, 4-pentenoic acid, phenylacetic acid, 3-phenylpropionic acid, hydrochloric acid, phosphoric acid and sulfuric acid.

The invention relates to a method of extracting pure ultrafine alumina from powder coal ash, which comprises the following: 1 sintering and activating process: Na2CO3 is used as activating agent during sintering; 2. aluminum salt extraction process: in the activated power coal, low-concentration sulfuric acid is selected to perform aluminum salt extraction; 3. leaching and sedimentation process: the solution after sulfuric acid is extracted is leached, the aluminum salt filtrate is added with dispersant, ammonia is used as precipitator so that the aluminum ion is separated out in the form of aluminum hydroxide; 4. heat treatment process: the aluminum hydroxide is cleaned with water and then dried, under different temperature, the heat treatment of the aluminum hydroxide is performed so that the aluminum hydroxide is dehydrated, decomposed, and crystallized, so as to obtain different crystal type alumina powder. The invention has the advantages of simple process, good synthetic benefit and high extraction ratio of alumina.

The invention provides a system and method for predicting a quantity of a resource required for the deployment of a software application on a computing system. The method comprises the steps of providing historical resource utilisation data for deployment of software applications on computing systems, providing a value for a parameter of the computing system relevant to resource utilisation, providing a value for a parameter of the software application relevant to resource utilisation, and utilising the historical resource utilisation data and parameter values to predict the quantity of the resource required for deployment of the software application.

A thermal shaping method for the Mg-alloy shell of mobile telephone features use of draw technology with a dedicated die set, which includes such steps as heating edge pressing ring and female die to 170-180 deg.C, coating lubricant onto die set and raw black of said Mg-alloy shell, heating the raw black, pre-heating the male die to 70-100 deg.C, and die pressing at 170-180 deg.C for drawing.

The invention provides a method for preparing an acid organic fertilizer by orientation fermentation of an organic waste. The method is characterized by comprising the following specific steps of: mixing bacillus subtilis, bacillus licheniformis, bacillus pumilus, saccharomyces cerevisiae, acetobacter aceti, trichoderma, aspergillus oryzae, nocardia and geotrichum candidum to obtain a first composite microbial bacteria agent; mixing the bacillus subtilis, the bacillus licheniformis, the saccharomyces cerevisiae, bacillus coagulans, lactobacillus acidophilus, lactobacillus plantarum, lactobacillus casei, pediococcus pentosaceus, the aspergillus oryzae, mucor racemosus and the nocardia to obtain a second composite microbial bacteria agent; adding the first composite microbial bacteria agentinto the organic waste and performing aerobic fermentation so as to form an intermediate fermentation product; and adding the second composite microbial bacteria agent into the intermediate fermentation product and performing anaerobic fermentation so as to form the organic fertilizer. The method has the advantages of capability of improving saline and alkaline lands, suitability for cultivation of acidophilous crops, effect of performing micro-ecological remediation on continuous cropping soil and low cost.

The invention discloses a ship anti-pollution method. The ship anti-pollution method comprises the following steps of surface pretreatment of a steel plate, sanding treatment of a substrate, defect repair and sand blasting of welding seams and other structures, spraying of a primer, spraying of a reinforced paint, and subsequent servicing. Before coating, the surface of the steel plate is pretreated; during integral coating, the bottom part of a ship is sprayed with bionic marine anti-pollution coating, the coating contains a pure natural biological anti-pollution agent, the aversion function on marine organisms is realized, the adhesion force of the marine organisms is damaged, the pollution preventing purpose is realized, any poisonous influence on the marine environment is avoided, any damage on the marine organisms is avoided, and the coating is pure natural and is free from public nuisance; the adhesion force, anti-corrosive and strain-proof properties are excellent, the requirements of semi-gloss and matte of an anti-rust paint of a ship cabin are met, the spraying for multiple times is easy, the easiness in volatizing of moisture is avoided, the adhesion capability is higher, and the flash rust is avoided; the process flow is short, and the produced ship has excellent anti-pollution, anti-corrosive and anti-rust properties.

A thermal acid generator of generating an acid on heating above 100° C. has formula: CF3CH(OCOR)CF2SO3−(R1)4N+ wherein R is alkyl or aryl, R1 is hydrogen, alkyl, alkenyl, oxoalkyl, aryl, aralkyl or aryloxoalkyl, or R1 may bond together to form a ring with N. The sulfonic acid generated possesses an ester site within molecule so that less bulky acyl groups to bulky groups may be incorporated therein. The thermal acid generator provides a sufficient acid strength, is less volatile due to a high molecular weight, and ensures film formation. Upon disposal of used resist liquid, it may be converted into low accumulative compounds.

The invention discloses a processing method for comprehensively recovering high manganese asbolite, belonging to the field of hydrometallurgy. In the processing method, the high manganese asbolite is processed through four processing steps comprising (1) reduction leaching, (2) primary cleaning, (3) manganese and cobalt separation and (4) extraction separation to obtain a product manganese carbonate, copper sulfate, nickel carbonate or cobaltous sulfate. The processing method has the advantages that the source of raw materials is wide, the process and equipment are simple, the operation is stable, the energy consumption is low, the production cost is low, the practicability is wide, and the economic effect and the society effect are obvious.

A thermal acid generator of generating an acid on heating above 100° C. has formula: CF3CH(OCOR)CF2SO3−(R1)4N+ wherein R is alkyl or aryl, R1 is hydrogen, alkyl, alkenyl, oxoalkyl, aryl, aralkyl or aryloxoalkyl, or R1 may bond together to form a ring with N. The sulfonic acid generated possesses an ester site within molecule so that less bulky acyl groups to bulky groups may be incorporated therein. The thermal acid generator provides a sufficient acid strength, is less volatile due to a high molecular weight, and ensures film formation. Upon disposal of used resist liquid, it may be converted into low accumulative compounds.

Processes are provided for the storage and release of hydrogen by means of a substantially reversible catalytic hydrogenation of extended pi-conjugated substrates which include large polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons with nitrogen heteroatoms, polycyclic aromatic hydrocarbons with oxygen heteroatoms, polycyclic aromatic hydrocarbons with alkyl, alkoxy, ketone, ether or polyether substituents, pi-conjugated molecules comprising 5 membered rings, pi-conjugated molecules comprising six and five membered rings with nitrogen or oxygen hetero atoms, and extended pi-conjugated organic polymers. The hydrogen, contained in the at least partially hydrogenated form of the extended pi-conjugated system, can be facilely released for use by a catalytic dehydrogenation of the latter in the presence of a dehydrogenation catalyst which can be effected by lowering the hydrogen gas pressure, generally to pressures greater than 0.1 bar or raising the temperature to less than 250° C. or less, or by a combination of these two process parameters.

The invention provides a composition of matter useful for producing very soft high grades of tissue paper. The composition of matter comprises an adhesive composition that includes a glycerol-based polyol. The glycerol-based polyol prevents the composition from becoming brittle and is non-volatile. This allows the composition to become rewetted after creping and allows for strong levels of adhesion even at high temperatures.

The invention discloses a method for recovering waste thermosetting resin and composite materials thereof through solvents, which includes: adding 100 parts of waste thermosetting resin and composite materials of the waste thermosetting resin and 0-10 parts of catalysts into 10-500 parts of solvents for evenly stirring and mixing, heating the mixture to lead temperature rise to 60-200 DEG C to react for 5-600 minutes, and separating solid phase products and liquid phase products obtained through reaction for recycling. The solvents adopted in the method are environment-friendly, safe and stable and has a capability of degrading thermosetting resin junctions in catalyzing mode so that efficient degradation in conditions of ordinary pressure and low temperature is achieved, energy is saved, expensive reaction devices are not used, investment is small, production cost is low, and simultaneously integral high-value recovery of resin materials can be achieved.

The invention discloses magnetic nanometer-sized metal fluid. The magnetic nanometer-sized metal fluid comprises liquid gallium, liquid indium, liquid tin, liquid zinc, liquid bismuth, liquid lead, liquid chromium, liquid mercury, liquid sodium, liquid potassium, liquid cesium or a dual-component alloy or a multi-component alloy of the metal materials and magnetic nanometer-sized particles added to the metal materials. The volume ratio of the magnetic nanometer-sized particles to the liquid metal materials / the alloy is smaller than or equal to 0.5:1. Oxygen is actively introduced through a specific oxygen supply mechanism to adjust and control the adhesiveness of the fluid and the particles, and taking the liquid gallium, the liquid indium, the liquid tin, the liquid zinc, the liquid bismuth, the liquid lead, the liquid chromium, the liquid mercury, the liquid sodium, the liquid potassium, the liquid cesium or the dual-component alloy or the multi-component alloy of the metal materials as basic liquid, the magnetic nanometer-sized metal fluid which is high in heat conductivity and electric conductivity, good in fluidity and not prone to volatilization or leakage can be obtained fast and efficiently.

Embodiments for starting an engine are provided. In one embodiment, an engine control method comprises, during engine cranking, commencing fuel injection when intake manifold pressure drops below a threshold, the threshold based on fuel volatility. In this way, the stability of engine starts using low volatility fuels may be increased.

The invention relates to a watercraft texture wallpaper paint, characterized in that the invention comprises the following components: 31 percent to 35 percent of styrene-acrylic emulsion, 23.94 percent of superfine weight calcium, 1 percent to 2 percent of nano-titanium dioxide, 10 percent to 18 percent of titanium pigment, 8 percent to 9.8 percent of calcined kaolin, 1.2 percent to 1.8 percent of ethylene glycol, 0.2 percent to 0.5 percent of hydroxyethylcellulose, 0.8 percent to 1.5 percent of film forming additive, 0.15 percent to 0.25 percent of multi-functional additive, 0.3 percent to 0.5 percent of dispersant, 0.1 percent to 0.2 percent of wetting agent, 0.15 percent to 0.21 percent of defoamer, 0.08 percent of anticorrosion and insecticide, 0.8 percent to 2 percent of thickener and 20 percent to 22 percent of water. The invention is the watercraft texture wallpaper paint, is environment-friendly, has strong elastic tension, has good covering and anti-cracking effect on the fine cracking of wall, and has good scrape resistance performance, greatly enhancing the degree of wall surface protection; meanwhile, the invention still has strong waterproof performance, without color-changing and decortication and mildew and can fully solve the common problems existing in wall decoration.

The invention discloses a non-noble metal mercury-free catalyst for hydrochlorination of acetylene and a preparation method thereof. The catalyst mainly contains copper, chlorine, a carrier and the balance of catalysis-promoting metallic elements, wherein the copper exists in the form of copper chloride, the chlorine exists in the form of an inorganic salt of chlorine, the carrier is activated carbon or nitrided activated carbon which is subjected to acid cleaning, and the catalysis-promoting metallic elements are one of or a mixture of any of alkali metals, alkaline-earth metals and non-noble metals of which the chloride is non-volatile in transition metallic elements. The preparation method comprises the process steps of preparing impregnation motor liquor, adding a catalyst carrier to perform equivalent-volume impregnation, drying the mixture and the like. The non-noble metal mercury-free catalyst prepared by adopting the method is better in activity, high in selectivity, long in service life, low in cost and environment-friendly, and can be used for hydrochlorination of acetylene during the production of vinyl chloride by using a calcium carbide method.

The invention discloses an anion modified mercury-free catalyst for an ethyne hydrochlorination reaction, and a preparation method thereof. The catalyst comprises a catalyst carrier and an active component, wherein the catalyst carrier is active carbon, the active component is a sulfate, a chloride, a phosphate or a pyrophosphate of copper or tin, and the carrier is acid-washed active carbon or phosphorus doped active carbon. The preparation method comprises preparing an active component impregnating solution, adding a catalyst carrier to carry out equivalent volume impregnation, drying, baking and other process steps. According to the present invention, acetylene and hydrogen chloride are mixed and then are subjected to a reaction in the catalyst system, wherein the catalysis system of the present invention has characteristics of environmental protection and safety compared with the current mercury catalyst in the industry; and the catalyst prepared by the preparation method has characteristics of high activity, high selectivity, good stability, and longer service life, and is more suitable for ethyne hydrochlorination reactions for producing vinyl chloride through a calcium carbide method compared with the general mercury-free catalyst.

The present invention relates to safety monitoring system, and is flexibility monitoring method for large span bridge structure. Whole bridge pressure field is first established with water tanks set in the unchanged location, water pipes set horizontally and city water supply system to lead water pressure to deformation location of the bridge; and the pressure transducer is fixed to the measured part. The pressure change is converted into flexibility change and monitored with the computerized monitoring system, which consists of water tank, water pipes, pressure transducer, A / D converter, computer, etc. The present invention has high measurement stability, great measurement range, low measurement cost and high practical value.

The invention discloses a normal-temperature-curing epoxy resin flexible pouring sealant and relates to the technical field of polymer materials. The normal-temperature-curing epoxy resin flexible pouring sealant is prepared by mixing a component A and a component B in equal parts by weight, wherein the component A comprises 60-90 parts of epoxy resin, 10-30 parts of reactive diluent, 5-10 parts of a plasticizer, 1-5 parts of a silane coupling agent, 0.5-2 parts of a defoaming agent, 0.5-2 parts of an antioxidant and 0.5-1 part of an ultraviolet absorber; and the component B comprises 1-3 parts of an accelerator, 30-60 parts of polyether amine and 0-50 parts of modified amine prepolymer I and 0-55 parts of modified amine prepolymer II. The ambient-curing epoxy resin flexible pouring sealant has the characteristics that the pouring sealant can be rapidly cured under the room temperature condition and is especially suitable for pouring LED flexible strips and the cured substance has better flexibility and higher elongation at break and transparency and the like and is suitable for pouring and sealing the surfaces of products having requirements on flexibility and transparency, for example, surface coating of LED flexible strips, LED module strips, flexible circuit boards and the like.

The invention discloses a graphite-base carbon dioxide adsorbent and a preparation method thereof. The graphite-based carbon dioxide adsorbent comprises a graphite base material and a polyamine material which is bonded on the surface of the graphite base material by the aid of chemical bonds. The preparation method includes: (1), oxidizing the graphite base material by strong oxidizers so as to functionalize the surface of the graphite base material; and (2), bonding the polyamine material onto the functionalized surface of the graphite base material under action of catalysts or ultrasonic aids. The preparation method of the graphite-base carbon dioxide adsorbent is simple, the graphite-base carbon dioxide adsorbent prepared by the method has high adsorption capacity to carbon dioxide, can be reused and is high in stability, the defects that organic matters are easy to volatize and equipment is easy to corrode are overcome, and the requirement for industrial process is met.

The invention relates to a production method and application of a non-continuous temperature-dependent phase change gel incense-carrying filter stick. The production method comprises the steps of preparation of temperature-dependent phase change gel colloid and production of a non-continuous temperature-dependent phase change gel incense-carrying filter stick. The non-continuous temperature-dependent phase change gel incense-carrying filter stick is large in incense carrying amount, stable in incense carrying amount, long in incense holding time and less in volatilized flavor substances, whena cigarette is smoked, the heating effect of the smoke heat converts solid state gel into liquid gel, aroma components loaded in the gel are slowly and uniformly released, and the tastes of the frontsection and the rear section of the cigarette are kept consistent. By means of the cigarette which is prepared from the non-continuous gel filter stick, the oral cavity cannot be in direct contact with the gel when a consumer smokes the cigarette, and the discomfort and the psychological antipathy caused when the oral cavity of the consumer is in contact with the gel are avoided; meanwhile, duringsmoking, the fragrance concentration and the flavor of the front section and the rear section are stable, and the cigarette smoking quality is effectively improved.