96results about How to "Will not generate" patented technology

The invention discloses a road dust inhibitor and a preparation method thereof. The road dust inhibitor is characterized in that the raw materials of the road dust inhibitor comprises surface active agents, stabilizers, hydrophilic agents, thickeners, anti-freezing auxiliaries, antibacterial agents and water. The preparation method comprises, firstly, adding an appropriate amount of water into a reactor; secondly, adding the surface active agents and the stabilizers in; thirdly, after the surface active agents and the stabilizers are fully dissolved, slowly adding the hydrophilic agents and the thickeners in and stirring to achieve dissolution; fourthly, adding the anti-freezing auxiliaries and the antibacterial agents in; lastly, adding the residue water in until reaching a designated concentration. By means of the surface active agent, the road dust inhibitor can form a layer of isolating film on the contact surface between dust and air, and the isolating film has high water carry capacities and adhesive performance; by adding a small amount of salt, the road dust inhibitor obtain certain anti-freezing and antibacterial effects.

The invention provides a method for synthesizing trioxymethylene. The method comprises the step of carrying out a reaction at 30-150 DEG C for 0.1-5 hours to synthesize trioxymethylene by using an ionic liquid as a solvent and a catalyst and solid paraformaldehyde as a raw material, wherein the use amount of the solid paraformaldehyde is not more than 80% of total mass of the ionic liquid and the solid paraformaldehyde. By using the solid paraformaldehyde as the raw material and the ionic liquid as the solvent and the catalyst, the method provided by the invention is free of byproducts such as methyl formate, methanol, methylal and the like, and can remarkably improve the balanced yield of trioxymethylene and reduce the energy consumption, and the ionic liquid can be repeatedly used, so that the production cost is lowered.

The invention provides a color-changeable temperature developing ternary composite filter rod. The filter rod comprises a first cellulose diacetate filter rod section (1), a hollow section (2) and a second cellulose diacetate filter rod section (3) which are sequentially connected in an end-to-end manner, wherein the hollow section contains a cigarette blast bead, and the cigarette blast bead (4)comprises a fragile casing containing flavors and fragrances. The filter rod is characterized in that a thermochromic substance is added in each one of the sections, and the thermochromic temperatureof the thermochromic substance is equal to or higher than the heat volatilization temperature of the flavors and fragrances. The smoke temperature can be directly displayed through color change of thethermochromic substance, and a user can accurately master the opportunity of crumbing the cigarette blast ball to obtain the best flavor release effect.

The disclosed tubular heater in use for electric water heater (EWH) includes heat exchange unit (HEU) and heating unit (HU). HEU is in metal multiple tube structure, in which at least one piece of tube is heating tube for the heating unit to be placed, and at least one piece of tube is as liquid passage tube (LPT). Tube connectors are setup at two ends of LPT. The heating tube can be in multiple tube structure for more than one HU to be installed in. HU can be bent to U shape, square shape, snake shape etc. Advantages are: (1) producing smaller EWH; (2) simple structure of HU, easy producing and low cost; (3) LPT is continuous tube without soldered dot so as to not produce leaking phenomena; (4) reasonable heat exchanging structure, and high thermal efficiency; (5) being not contacted to liquid, electric heating tube (EHT) is not be eroded, generates scale, and has long service life; (6) being in U shape or straight tube shape, EHT possesses low factory cost and steady quality.

The invention discloses a file hiding method based on NTFS disk file system structure, it includes following steps: (1) eliminates the illegal characters in the whole route name of the pending hidingfiles and gets a unique flow name; (2) founds a data flow of the root directory and its name is the flow name in steps (1); (3) copies the content sof files into the flow; (4) deletes the pending hiding files; (5) records the whole route information of the files.

The invention relates to a magnesium/steel layered composite material and a preparation method thereof, belonging to the field of metal layered composite materials. The magnesium/steel layered composite material of the present invention is formed by interfacial metallurgical bonding of magnesium material and steel material, without an intermediate layer between the magnesium material and the steelmaterial, and is prepared by the steps of mechanical grinding surface treatment, alternating lamination and combination to form composite blanks, wrapping the composite blanks with metal sleeve and performing vacuum treatment, heating, hot rolling, diffusion heat treatment after removing the metal sleeve, and the like. The invention has the advantages that the magnesium/steel layered composite material has both excellent mechanical properties and vibration damping properties, can be used at the working temperature of 200-600 DEG C for a long time without solid solution or intermetallic compound at that interface between magnesium and steel, the interfacial bonding strength is stable or even gradually increased in the working temperature range, and the magnesium/steel layered composite billet need not be heated in vacuum or inert gas atmosphere, so the operation is convenient, the requirement for equipment is low, the price of required equipment is cheap, and the production cost is low, so the composite billet has universal popularization and application value.

The invention discloses a novel three-dimensional gel dosimetric material and a preparation method thereof. The novel three-dimensional gel dosimetric material realizes calculation of dosing information according to luminescent intensity of quantum dots uniformly dispersed in hydrogel and prevents ion concentration diffusion problems of a Fricke gel dosemeter. The novel three-dimensional gel dosimetric material is prepared from simple raw materials, is free of isolation from oxygen in the environment, is free of a high temperature and can be synthesized easily. In synthesis, harmful gas is not produced and environmental harm is small. The novel three-dimensional gel dosimetric material has good physical and chemical stability, is not oxidized easily, can be stored easily and is convenient for repeated use. The preparation method of the novel three-dimensional gel dosimetric material utilizes a radiation crosslinking method, can be operated simply and easily and has a short preparation period. The novel three-dimensional gel dosimetric material is pure and does not contain impurities.

The invention discloses a method for preparing a cobaltosic oxide nanorod by using microemulsion. A double microemulsion system and a single emulsion system are provided, wherein the double microemulsion system consists of a microemulsion I and a microemulsion II; each of the microemulsion I and the microemulsion II consists of CTAB (Cetyltrimethyl Ammonium Bromide) serving as a surfactant, normal butanol serving as a cosurfactant, oil phase cyclohexane and a water phase; the mass ratio of the oil phase to the water phase is 1:20-20:1; and in the microemulsion I, the water phase is a CoCl2 aqueous solution; in the microemulsion II, the water phase is an H2C2O4 solution. Polyethylene glycol serving as a dispersant is added into the system, wherein the polyethylene glycol accounts for 10-80 percent by mass of the entire microemulsion system (the double microemulsions comprise the microemulsion I and the microemulsion II, the single microemulsion comprises the microemulsion I, and the double microemulsions and the single microemulsion do not comprise the polyethylene glycol). The single microemulsion system consists of the microemulsion I and the H2C2O4 aqueous solution, and the composition of the microemulsion I is the same as that of the microemulsion I in the double microemulsions. By adopting the method, the diameter of the obtained nanorod is between 70 nanometers and 150 nanometers, and the length is between 1 mu m and 3 mu m.

An additive for synergistically promoting the proliferation and colonization of intestinal probiotics and its use method, which is composed of xylo-oligosaccharides, Clostridium butyricum and high fulvic acid sodium humate, and xylo-oligosaccharides provide nutrition for Clostridium butyricum , to promote the proliferation of Clostridium butyricum in the intestinal tract; Clostridium butyricum secretes vitamins and growth factors to promote the proliferation of probiotics, while secreting organic acids and antibacterial peptides to inhibit the growth of harmful bacteria; high fulvic acid sodium humate through the repair Intestinal mucosal damage can increase the level of probiotic adhesin receptors on the surface of intestinal mucosa, thereby promoting the colonization of probiotics in the intestinal tract. Through process coupling and functional synergy, the three can finally achieve the intestinal microecological balance of livestock and poultry and improve the intestinal tract. Barrier and absorption function, reduce diarrhea rate and improve feed utilization, thereby reducing the dependence on antibiotics in the breeding process.

The invention relates to a slow-release glass fertilizer and a preparation method thereof, wherein the slow-release glass fertilizer comprises the following raw materials in molar percentage: 30 to 50 percent of P2O5, 15 to 45 percent of Na2O, 5 to 30 percent of K2O, 1 to 20 percent of CaO, 1 to 20 percent of MgO, 1 to 10 percent of Al2O3, 1 to 10 percent of CuO and 1 to 10 percent of Fe2O3; the preparation method comprises the following steps: weighing, mixing, melting, casting, ball milling and packaging; and the invention has the advantages of less dosage, high fertilizer effect, long fertilizer effect, difficult loss, convenient fertilizer application, preservation and transportation, difficult agglomeration and difficult deterioration and can achieve the required release amount by controlling the dissolution rate and the granularity of the glass fertilizer.

The invention discloses a harmless treatment method and system of lithium metal waste residue. The harmless treatment method of the lithium metal waste residue comprises the following steps: putting the lithium metal waste residue in a sealed heating chamber and completely replacing gas in the heating chamber with protective gas which does not react with lithium; heating the lithium metal waste residue to a first temperature, disturbing the lithium metal waste residue, and vacuumizing the heating chamber in order to achieve oil removal treatment; after finishing the oil removal treatment, heating the lithium metal waste residue to a second temperature and disturbing the lithium metal waste residue in order to cause the lithium metal to melt and aggregate into lithium metal liquid and layerthe lithium metal liquid with solid impurities; and enabling the lithium metal liquid to flow out from the heating chamber after passing through a filter net placed in the heating chamber in order tointercept the solid impurities by the filter net. The harmless treatment method has no chemical reaction and no contact with air during treating the lithium metal waste residue, eliminates potentialsafety hazards, can directly, rapidly and effectively recover the lithium metal from the lithium metal waste residue, and has simple process and high economic benefit.

The invention discloses a preparation method of a composite visible light catalyst graphene quantum dot/graphite phase nitrogen carbide, and solves the problem that the efficiency of degrading NO by g-C3N4 under visible light is relatively low. The method comprises the following steps: by taking citric acid monohydrate CA as a raw material, pyrolyzing to prepare GQDs; then taking melamine as a raw material, and calcining to prepare CN (Carbon Nitride); and then preparing the g-C3N4 composite photocatalyst GQDs/CN containing the graphene quantum dots GQDs by using a one-step hydrothermal method. Compared with a pure g-C3N4 photocatalyst, the GQDs/CN has the advantages that the NO degradation capability is improved, and the selectivity for generating NO3 <-> is enhanced. A new thought is provided for application of the graphene quantum dot doped semiconductor catalyst in the field of environmental purification.

The invention relates to a preparation method for toothpaste capable of repairing dental enamel. According to the preparation method, soluble calcium salt and soluble phosphate are each wrapped with an inner water phase of a water-in-oil-in-water emulsion, and thus, after being added into the toothpaste, the soluble calcium salt and soluble phosphate can stably exist at the same time for a long time without reacting to produce calcium phosphate precipitates. When teeth are brushed with the toothpaste, the water-in-oil-in-water emulsion breaks up under the action of friction and extrusion to release the soluble calcium salt and/or the soluble phosphate wrapped in the inner water phases, so that liquid in an oral cavity contains calcium ions and phosphate anions of relatively high concentration, and the remineralization rate of the dental enamel and dentin in the oral cavity can be increased.

Provided is an eco-friendly poly(propylene carbonate) resin composition for a sheet, which is characterized by using a poly(alkylene carbonate) resin developed by efficiently utilizing carbon dioxide, which is a major contributor to global warming, as a main material, and including appropriate additives, such as, a strength modifier, and a flexibilizer, thereby completely solving environmental hazards controversy of the existing polyvinyl chloride resin products; exhibiting excellent mechanical and thermal properties, processability, post processability (printability, embossing and surface treatment, laminating characteristics) and superior anti-flaming property (low smoke density) and elongation characteristics as compared with the existing polyvinyl chloride resin products; and overcoming an extruding production method which is a small-sized production manner, corresponding to a big defect in thermoplastic plastics emerged as substitutes for polyvinyl chloride resin products and thus applying a calendering process method which is a mass production manner.

The invention relates to sewage treatment agents, in particular to a preparation method and use of an agent for removing heavy metal ions from water. According to the technical scheme, the agent comprises the following raw materials in part by weight: 2 parts of natural weathered coal and 1 part of 30-50% of a sodium hydroxide solution. The preparation method comprises the following steps: (1) grinding the natural weathered coal; (2) carrying out a reaction between the ground weathered coal and the sodium hydroxide solution at the temperature of 60-80 DEG C for 5-10 h; (3) clarifying the reaction solution, sucking supernatant, and filtrating the supernatant for later use; (4) heating the filtrated supernatant which is protected by nitrogen to 50-60 DEG C in a reaction vessel to realize a polymerization reaction for 2-3 h; (5) taking out the polymer for drying. The preparation method has the advantages as follows: (1) adjusting the pH value in water is avoided when the agent is in use, and the agent can be directly put in water containing the heavy metal ions; (2) no toxic and harmful gas is generated after a coagulation reaction; (3) the weathered coal taken as a raw material is cheap, so that the preparation method provided by the invention is suitable for popularization and application.

The invention discloses a method of manufacturing float glass in which molten glass (2) floating on molten metal (1) between the hot and cold ends of a molten metal bath (10) is formed into a flat glass , and affect the oxygen concentration of the molten metal. In order to achieve a high glass quality, the oxygen concentration of the molten metal ( 1 ) is influenced during glass production in such a way that it does not exceed the saturation solubility of the cold end at any place.

The invention discloses a polyurethane material and a preparation method thereof. The preparation method comprises the following steps: carrying out prepolymerization reaction on polydibasic alcohol or polydiamine and excessive N'N-carbonyldiimidazole to obtain a prepolymer of which both ends are closed by imidazolyl groups, and carrying out chain extension reaction on the prepolymer and micromolecule diamine or micromolecule dibasic alcohol through the imidazolyl groups on the two ends of the prepolymer to obtain the target polyurethane material. The obtained polyurethane material has high purity, and the molecular weight is 30000-90000. The method improves the traditional polyurethane synthesis technique, and uses the N'N-carbonyldiimidazole instead of the high-toxicity isocyanate, thereby effectively avoiding the environmental pollution and injuries to the human body due to the adoption of the isocyanate in the polyurethane production process.