1056results about How to "Not easy to form" patented technology

Hyper-concentrated liquid detergent comprises, in percentage by weight, 8-30% of anionic surfactant, 40-60% of nonionic surfactant, 5-15% of cosolvent, 0-10% of auxiliary, 0.005-1% of deflocculant, 0-0.5% of fluorescent brightener, 0-2% of detergent enzymes, 0-0.1% of preservative, 0.1-1% of essence, and the balance of water. The hyper-concentrated liquid detergent has the advantages of high solid content and high deterging effect.

An axially substituted silicon-phthalocyanin match and its composition are disclosed, which have high optical spectrum characteristics and can be used as the photosensitizer used for photodynamic therapy to tumor and the diseases other than cancer, photodynamic diagnosis and photodynamic disinfecting.

The invention relates to a content staging memory storage and transmission method of a communication level P2P network, wherein all sharing content is stored on three kinds of nodes with P2P alternation capability, namely: a content storage central node, a content storage fringe node and a content storage terminal node. According to the invention, the content is downloaded in priority order of the content storage terminal node, the content storage fringe node and the content storage central node. The scheme of the invention satisfies the requirement of the communication level network on stability, high efficiency, high quality and saved cost, thereby solving the problems of lower efficiency of prior distributivity storing frame, deficient content, 'uneven cold and hot' of content storage and distribution.

The invention relates to a preparation method of an NdFeB magnet with high coercivity. The method includes the following steps that heavy rare earth powder is mixed with an anti-oxidizing agent, a binder and an organic solvent to prepare uniform slurry, wherein the heavy rare earth powder refers to one or a mixture of Dy, hydrogenated dysprosium, Tb and terbium hydride, the mass ratio of the heavyrare earth powder in the slurry is 40-80%, the mass ratio of the anti-oxidizing agent is 5-20%, the mass ratio of the binder is 2-10% and the balance organic solvent, and the anti-oxidizing agent refers to the anti-oxidizing agent containing fluorine; after the slurry covers the surface of a sintered magnet, the thickness of the slurry is controlled to 20-100 micrometers, and drying is then conducted; the dried magnet is then sintered, and aging treatment is conducted. The method can reduce the use amount of heavy rare earth powder such as Dy and Tb, meanwhile, the requirement of the grain boundary diffusion technology for the size of a product is met, the problem that fluoride and oxide coating powder is easy to fall off is solved, and the manufacturing process is simple.

The invention discloses a colorless and transparent polyimide film, the molecular structural formula as shown in a formula I. A preparation method of the polyimide film comprises the following steps: polymerizing a fluorine-containing diamine monomer and a dianhydride monomer which have same moles in a polar aprotic solvent to produce a colorless and transparent poly(amicacid) solution, carrying out dehydration and ring closing on the colorless and transparent poly(amicacid) solution by using a hot imidization method or a chemical imidization method to produce the colorless and transparent polyimide film, wherein the dianhydride monomer is one or two of compounds selected from bicyclic (3,3,0)octane-2,4,6,7-tetracid dihydride or bicyclic (4,3,0)nonane-3,4,7,9-tetracid dihydride, the fluorine-containing diamine monomer is one or a combination of two of compounds selected from 4,4'-di(4-amino-2-trifluoromethylphenoxy)diphenyl ether, 4,4'-di(4-amino-2- trifluoromethylphenoxy) biphenyl and 2,2'-di(4-(4-amino-2- trifluoromethylphenoxy) phenyl) hexafluoropropane. The colorless and transparent polyimide film produced by using the alicyclic type dianhydride monomer has excellent performances such as good heat resistance, good solubility and high light transmittance.

The invention relates to a low-phosphorus water treatment composition, which comprises the following compositions in part by weight: 1 to 3 parts of phosphorus carboxylate, 1 to 30 parts of dirt dispersion agent and 1 to 5 parts of bactericide and algicide. When the concentration multiple is 2 to 6, the corrosion rate and the scale deposition rate of a circulating cooling water system of carbon steel and copper pipelines are all smaller than circulating water quality monitoring and controlling indexes, the industrial water is saved, the environmental pollution is reduced, and the low-phosphorus water treatment composition is widely applied to similar circulating cooling water systems in chemical engineering, petrifaction, steel, electric power and the like, and has great social and economic benefits and promotion value.

The invention belongs to the field of material surface modification, and particularly relates to a composite treating method for nitriding the surface of a metal material after coating. The composite treating method is suitable for surface strengthening of tools, molds and metal accessories. The composite treating method comprises the following steps: firstly depositing a layer of nitride thin film on the surface of a metal material substrate by adopting magnetron sputtering or arc ion plating, wherein the thickness of the thin film is 0.1-50 micrometers; then carrying out ion nitriding treatment on the surface of the coating film by adopting an ion nitriding technology for 0.5-10 hours. Due to adoption of the composite treating method, the problem of low film-substrate bonding strength and the like caused by a black layer easily occurring in a composite treating process of coating after nitriding are solved. The workpiece obtained by adopting the coating-nitriding composite treating method of carrying out ion nitriding treatment after depositing a layer of thin film has the characteristics of high surface hardness, good wear resistance, high film-substrate binding force, reliable quality, stability and the like.

The invention discloses an ecological energy-saving and environment-friendly sustainable plant growing system. The plant growing system is characterized by comprising a water storage and supply module (1), a permeable isolating unit (2), a nutrient soil layer (4) and a drip irrigation system (3), wherein a single or a plurality of water storage and supply modules (1) form a plant growing base, the plant growing base is arranged on a roof or a soilless foundation, and the water storage and supply module (1) consists of an upper module and a lower module which are connected by splicing; the permeable isolating unit (2) is placed on the plant growing base, namely the upper part of the water storage and supply module (1); the nutrient soil layer (4) is encircled on the upper part of the permeable isolating unit (2); and the drip irrigation system (3) is arranged in the nutrient soil layer (4). The plant growing system is simple in structure and convenient to manufacture, and does not needmanual irrigation and maintenance under normal conditions.

The invention discloses a separating agent for extracting asphaltum from oil sand, the separating agent comprises components with the weight percentage as follows: sodium (or potassium) hydroxide (0.1-0.5 percent); sodium (or potassium) phosphate (0.5-2 percent), sodium (or potassium) silicic acid (1-5.5 percent), sodium (or potassium) carbonate (0.5-1 percent), sodium chloride (0.1-0.5 percent), oil solvent (3-7 percent), surfactant (0.1-0.5 percent), and water (85-94 percent). The technology with the separating agent to extract asphaltum is simple and easy to control. The recovery ratio of the asphaltum reaches to more than 94 percent, with significant separating effect. Meanwhile, the dose of sodium hydroxide needed by the separating agent is small, the agent can be used repeatedly with little loss, low price and cost, thereby greatly decreasing the separation cost, improving the economic benefits, and being favorable for environmental protection.

The invention discloses a high- entropy alloy welding wire for welding a titanium-steel composite board. The high-entropy alloy welding wire consists of the following components by atomic percent: 8 to 12 percent of Ti, 15 to 18 percent of Fe, 30 to 33 percent of Be, 20 to 24 percent of Ni, 20 to 24 percent of Cu, and the total percentage is 100 percent. The invention also disclosese a method for welding the titanium-steel composite board by utilizing the high-entropy alloy welding wire. The high-entropy alloy welding wire has excellent strength, flexibility and corrosion resistance, an embrittlement intermetallic compound is unlikely to form, a welding structural steel base layer of the titanium and steel composite board with high performance is easy to obtain, a composite layer stripping procedure for the composite board is not needed, and the preweld treatment is greatly simplified; and the welding of a steel base layer and a titanium composite layer of the titanium-steel composite board can be completed in one step by adopting TIG weld. No crack exists in a weld seam transitional area; and the tensile strength of the welding head is high.

A nickel base single crystal superalloy with low cost and low density comprises, in percentage by weight, 2.5-4.5% of Cr, 7.0-11.0% of Co, 0.5-2.3% of Mo, 5.0-7.5% of W, 7.0-10.0% of Ta, 3.3-4.5% of Re, 5.0-7.0% of Al, 0-0.5% of Ti, 0-0.2% of Hf, 0-0.05% of C, 0-0.01% of B, and the balance being Ni. Compared with the conventional nickel base single crystal superalloys, the nickel base single crystal superalloy in the invention has excellent stress rupture property and tensile property and the cost is reduced obviously.

The invention provides a preparation method of nanolayer medical titanium alloy with antibacterial and osteocyte-facilitating functions. The method comprises the following steps: firstly, preparing different concentrations of chitosan-lauric acid (1%, 1.67% and 2.5%) conjugates by esterification reaction; secondly, utilizing a physical adsorption method and a chemical fixation method, adopting poly-dopamine as an intermediate layer, fixing the chitosan-lauric acid conjugates on the surface of a titanium implant, so as to build a nano structure layer with dual antibacterial and osteocyte proliferation facilitating properties on the titanium material surface, so as to regulate and control the biological function of the osteocyte, and improve the short-term antimicrobial capability of the titanium implant.

The invention relates to a cathode slip for lithium battery, which is made by nanometer carbon, weak acid, adhesive and solvent. The adhesive is preferably polyvinylidene fluoride. The solvent is preferably N-formyl sarcolysine ketopyrrolidine which has the weight ratio of 100:0.1-2:1-8:150-250 of nanometer carbon and weak acid, polyvinylidene fluoride and N-formyl sarcolysine ketopyrrolidine. The invention further discloses the cathode slip for lithium battery and prepared lithium battery. The invention provides a cathode slip for lithium battery, preparing method and lithium battery which can effectively improve circulation performance of lithium battery.

The invention provides a nano hard alloy material containing spherical face-centered cubic structure cobalt powder and a preparation process thereof and belongs to the technical field of hard alloy preparation. The method comprises the steps of using 12-14 wt.% of the spherical face-centered cubic structure cobalt powder with the average grain diameter in a range of 200-300nm, 65-70 wt.% of tungsten carbide with the average grain diameter in a range of 200-300nm, 16-23 wt.% of tungsten carbide-titanium carbide-vanadium carbide-tantalum carbide-chromium carbide solid solution powder with the average grain diameter in a range of 300-400nm and a proper amount of an active and surface dispersing agent, and combining with airtight inert gases to protect high-speed ball milling, spray drying and overpressure sintering, so that sintering bodies are compact to the maximum extent, grain growth is restrained, the high-temperature performance of an alloy is optimized, and finally the high-hardness high-strength hard alloy material is obtained. The process is optimal in technology, easy to operate and applicable to industrial production.

The invention discloses a system and a method for continuous extrusion production of a fine-grain magnesium alloy strip. The system comprises a decoiling emptying device, an on-line straightening device, an on-line heating device, a continuous extrusion device, a cooling device and a winding displacement collection device. Through control of a temperature of a rod, a good extrusion driving force is produced between the rod and an extrusion wheel groove. Through an expansion mold cavity and a flow-blocking mold, magnesium alloy expansion flowing in a width direction is realized. In order to extrude a plate having larger width, the system adopts a two/three rod feeding-type extrusion mode so that joining and intermetallic welding of multiple rods in a corresponding multi-rod mold cavity are realized. The system and the method have the advantages that a process route is short; production efficiency is high; a grain refinement degree of a product microstructure is high; plate formability is good; and a continuous production line provided by the invention is suitable for industrial application.

The invention provides an electrophoretic coating liquid and a preparation method thereof, the electrophoretic coating liquid includes an adhesive and a microcapsule dispersing in the adhesive, the microcapsule comprises a suspension and charged pigment particles dispersing in the suspension, the outer capsule wall of the microcapsule is prepared by use of a natural water-soluble polymer compound, and the adhesive comprises the water-soluble polymer compound and aqueous polyurethane. The invention also provides an electrophoretic display layer and a preparation method thereof, and the electrophoretic display layer is prepared by use of the electrophoretic coating liquid. The electrophoretic coating liquid achieves a good balance in mechanical properties, coating film properties, photoelectric properties and other aspects, and has the characteristic of being easy to coat a film, excellent in coating film appearance and the like, and the electrophoretic display layer prepared by use of the electrophoretic coating liquid has high mechanical performances and good photoelectric performances.

The invention relates to a draft tube used for a hydraulic turbine outlet and a manufacture method of the draft tube. The high pressure recovery coefficient of the draft tube of an existing hydraulic turbine is not enough, and the hydraulic turbine can not stably work with high efficiency. The internal wall of the water inlet of the draft tube body of the invention is fixedly provided with 8-30 triangle leaf pairs in the circumference direction. Each triangle leaf pair comprises two triangle leaves which are symmetrically arranged; each triangle leaf comprises a long edge, a short edge, and an installation edge which is connected with the whole edge of the internal wall of the water inlet; wherein, the long edge is arranged at one side close to the end surface of the water inlet; the short edge is arranged at one side far away from the end surface of the water inlet. The invention has the advantages of simple structure, smart arrangement, cheap cost, and wide applicable range, and can ensure the high-efficient and stable operation of hydraulic generator units with different capabilities on all flux working conditions.

The invention discloses a high-entropy interlayer alloy, which comprises the following components in atomic percentage: 5-10% of Ti, 5-10% of Fe, 25-30% of Al, 15-20% of Ni, 30-35% of Cu and 5-10% of Cr. The invention also discloses a method for welding TA2/0Cr18Ni9Ti by the high-entropy effect, which comprises the following steps that: high-entropy interlayer alloy is placed between the two plates to be welded, the high-entropy interlayer alloy is in a foil folding structure, and the high-entropy interlayer alloy and local parent metal are subjected to heat fusing by an interface resistor ina resistance spot welding mode, so that the high performance welding of TA2/0Cr18Ni9Ti can be realized. According to the method and the high-entropy interlayer alloy of the method, which are disclosed by the invention, the high-entropy interlayer alloy has the advantages of favorable strength, toughness and corrosion resistance, is easy to process and form and is convenient to weld and assembly. The preparation method has the advantages of simple step and low manufacture cost and is convenient to popularize.

The invention discloses a high-entropy alloy welding wire for TIG (tungsten inert gas) welding of titanium and steel. The high-entropy alloy welding wire comprises, in total atomic percent of 100%, 30-33% of Zr, 8-12% of Cu, 15-18% of Fe, 20-24% of Ni and 20-24% of Be. The invention further discloses a preparation method of the high-entropy alloy welding wire for TIG welding of the titanium and the steel. The amorphous high-entropy alloy welding wire is fine in smelting and machining property and low in manufacturing cost, and the preparation method and the process of the welding wire are simple. The titanium/steel TIG welding process by the amorphous high-entropy alloy welding wire is simple, the welding wire is effectively matched with the titanium and the steel, a welding zone is crack-free, a welding line is basically a single-phase solid solution texture, and the general mechanical performance of a joint is high.

The invention relates to a preparation method of a graphene film by virtue of normal-pressure chemical vapor deposition in the technical field of graphene preparation and in particular relates to a sub-step preparation method of the graphene film controllable in crystal domain by virtue of normal-pressure chemical vapor deposition. The method comprises the following steps: 1) cleaning a metal substrate copper foil; 2) performing annealing treatment on the metal substrate copper foil; 3) performing graphene nucleation on the annealed copper foil to form a graphene crystal domain; 4) inerting the copper foil after the graphene nucleation; 5) melting down the inerted copper foil for growing and growing the graphene film from the graphene crystal domain; and 6) cooling the graphene film, thereby finishing the preparation of the graphene film. The preparation method of the graphene film by virtue of normal-pressure chemical vapor deposition has the beneficial effects of simple steps, convenient operations, and simple and convenient control on the density, size and number of layers of the graphene crystal domain by regulating the flow of the gas carbon source of the graphene at the nucleation stage, and consequently, the high-quality graphene film is formed.

The invention relates to an installment method of a backing plate in a seat slurry method construction. The installment method of the backing plate in a seat slurry method construction is characterized in that the installment method comprises the following steps: V1ing, the backing plate (1) is respectively welded with a first steel plate (2), a second steel plate (5) and a third steel plate (8) which are equipped with a bolt through hole, a first bolt (3), a second bolt (7) and a third bolt (9) are respectively rotated with a corresponding first regulating nut (11), a second regulating nut (12) and a third regulating nut. V2ing, the lower ends of the first bolt (3), the second bolt (7) and the third bolt (9) are respectively welded on a foundation reinforcement (13) which is arranged on a foundation (14). V3ing, the first regulating nut (11), the second regulating nut (12) and the third regulating nut are regulated, and the backing plate (1) reaches to a needed levelness and an elevation. V4ing, a seat slurry layer is formed through grouting between the backing plate (1) and the foundation (14). The installment method of a backing plate in a seat slurry method construction has the advantages that: 1, the operation is simple, the elevation and the levelness are convenient to regulate, and the accuracy is high. 2, the backing plate is not capable of producing deformation. 3, bubble is not easy to form between the seat slurry layer and the backing plate.

The invention relates to a titanium contained high chromel alloy and application thereof in spraying materials. The components of the alloy are (by weight percentage) as follows: the content of chromium is more than or equal to 15 percent and less than or equal to 25 percent, the content of titanium is more than or equal to 1 percent and less than or equal to 6 percent, the content of silicon is more than or equal to 1 percent and less than or equal to 6 percent, the content of carbon is more than or equal to 0 percent and less than or equal to 0.02 percent, the content of nickel is more than or equal to 20 percent and less than or equal to 55 percent, the content of rhenium is more than or equal to 0.5 percent and less than or equal to 6 percent, the content of aluminum is more than or equal to 0 percent and less than or equal to 6 percent, the content of sulfur is more than or equal to 0 percent and less than or equal to 0.035 percent, he content of phosphorus is more than or equal to 0 percent and less than or equal to 0.035 percent, the content of manganese is more than or equal to 0 percent and less than or equal to 0.2 percent, and the rest is iron. After the parts of working equipment are sprayed at high temperature oxidation and high temperature corrosion environments by the spraying material produced by the alloy, since the coating has good high temperature oxidation and vulcanization resistance and hot corrosion resistance performances, the service life of the parts can be greatly improved.

The invention provides a bispecific antibody. The bispecific antibody comprises a single-chain unit and a monovalent unit, wherein the single-chain unit has a specific binding capability against the surface antigen CD3 of an immune cell, and the monovalent unit has a specific binding capability against the surface antigen CD20 of a tumor cell; and the single-chain unit comprises a single-chain variable fragment (ScFv) which is fused with an Fc fragment, and the monovalent unit comprises light chain and heavy chain pairs. The invention further provides a method for preparing the bispecific antibody and the medicinal application of the antibody.