44results about How to "Suitable mechanical strength" patented technology

Disclosed herein is a process for preparation of a secondary battery module. The process includes forming coupling through-holes having specific shapes at plate-shaped electrode terminals of a plurality of unit cells, stacking the unit cells one on another, and inserting coupling members through the coupling through-holes to couple the unit cells with each other. Consequently, the secure coupling and the electrical connection between the unit cells is accomplished without using additional members, such as cartridges, and therefore, a compact battery module having high coupling force is prepared.

This invention relates to a process for producing porous and composite materials comprising steps of: freezing a complex containing at least one calcium salt selected from calcium carbonate, calcium phosphate, and hydroxyapatite and collagen, at least a part of which is gelatinized; and then lyophilizing the resultant. The porous and composite materials obtained by the method of the present invention have large pore diameters, high porosities, and adequate mechanical strengths and biodegradability. Thus, they are suitable for implants such as bone fillers, drug carriers for sustained-release, and the like.

Disclosed is a hydrophilic dressing (200) having appropriate mechanical strength, comprising a composite material (100, 220) and a film (210). The composite material (100, 220) comprises a hydrophilic substrate material (110) and a compound (120) that promotes wound healing, wherein the hydrophilic substrate material (110) is a reaction product of a hydrophilic polymer, wherein the hydrophilic polymer comprises a hydrophilic monomer, a cross-linking agent and an inorganic silicon-oxygen compound, wherein the compound (120) that promotes wound healing is distributed in the hydrophilic substrate material (110).

Laminated, rare earth, permanent magnets with one or more dielectric layers, suitable for use in high performance, rotating machines comprising: sequential laminates of permanent magnet layers and dielectric layers separated by transition and/or diffusion reaction layers, where said sequentially laminated magnets indicate increased electrical resistivity with improved mechanical strength.

A metal wire for reinforcing an elastomeric material includes a metal core and a metal coating layer. The core includes a predetermined initial diameter. A method for producing the wire includes submitting the core to at least one surface treatment, thermally treating the core, depositing the coating layer on the core, and drawing the metal-coated metal core. The at least one surface treatment predisposes a surface of the core to being coated with the coating layer. The coating layer is deposited on the core to a predetermined initial thickness using a plasma deposition technique. The metal-coated metal core is drawn until the core includes a final diameter smaller than the predetermined initial diameter and the coating layer includes a final thickness smaller than the predetermined initial thickness. A metal cord for reinforcing an elastomeric material and a method for producing the metal cord are also disclosed.

The present invention relates to a ceramic filtration membrane with a porous support (1) formed by sintering aluminum oxide particles and metal oxide particles at a temperature greater than 1300° C. and less than 1500° C., comprising fine aluminum oxide particles with a particle size of less than 10 μm, and coarse aluminum oxide particles with a particle size of 20 μm-150 μm, where the fine aluminum oxide particles represent a percentage by weight. of 3%-10% with respect to the total weight of the porous support (1), the porous support (1) having a porosity greater than 28% with a pore size of 1 μm-7 μm, bending strength greater than 45 MPa and suitable chemical resistance, giving rise to ceramic filtration membranes with ceramic layers (3) having a pore size of 1 nm to 1000 nm.

The invention discloses a carrier-free absorbable gel facial mask. The gel facial mask is prepared from one or more of the following raw materials: water-soluble starch, polyvinyl alcohol, polyvinyl pyrrolidone, glycerinum, semen simmondsiae chinensis oil, grape seed oil, shea nut oil, octanoic acid/decanoic acid triglyceride, carnosine, palmitoyl tripeptide, acetyl octapeptide, hydrolyzed collagen, 1,2-hexanediol, p-hydroxyacetophenone, glycosylglycerol, ceramide, nonapeptide, hexapeptide, thymus serpillum extract, zinc gluconate, pyridoxine hydrochloride and caffeine. The water-soluble macromolecular substance is used as the basic solute to be mixed with various functional component substances, and dissolved in water to form a solution having different functions, then the solution is smeared on a supporting layer, the supporting layer with the solution is dried and cut and formed, the gel facial mask is appropriate in viscosity and mechanical strength, no nonwoven fabric carrier is needed, and the gel facial mask can be completely absorbed by the skin when being fit to the skin and does not need to be cleaned.

The invention belongs to the technical field of medicine, and relates to a metabolic enzyme-hydrogel system for drug metabolism, drug effect, and toxicity evaluation. The system is composed of drug metabolic enzymes and hydrogel carriers, wherein the drug metabolic enzymes are composed of protein macromolecules having metabolism functions such as microsomes, recombinant enzymes, and the like; and the hydrogel carriers are prepared by carrying out reactions among pluronics, amine acrylate, and diamine acrylate in the presence of a catalyst namely N,N,N',N'-tetramethyldiethylamine. The metabolic enzyme-hydrogel system is prepared by the following steps: subjecting the interlinked hydrogel carriers to pretreatments of cleaning and freeze-drying, and absorbing drug metabolism enzymes with controllable concentration by the hydrogel carriers so as to form the metabolism-hydrogel system. The metabolism enzyme-hydrogel system has the advantages of proper mechanical strength, non-toxicity, good repeatability, convenient operation, and thermal sensitivity, is capable of comprehensively predicting the effects of drugs and metabolic substances thereof on cells, and thus precisely evaluates the drug effect and toxicity of the drugs.

A core intended to be used as a support for a roll of paper, especially toilet paper, is formed by winding at least one strip made of tissue, the strip being impregnated, at least locally, with starch so as to improve its stiffness. Thus configured, a core is provided having both a mechanical strength suitable for the envisaged use and a greatly improved ability to disintegrate relative to a cardboard core so as to allow it to be able to be disposed of directly in a toilet bowl without risk of blocking the soil pipe.

A horizontal polarized wave non-directional array antenna, including: an antenna supporting member supported so that an axial direction thereof corresponds to a vertical direction, the antenna supporting member including a pair of feeder lines that are disposed parallel to each other in the axial direction, the antenna supporting member having abase portion; a plurality of dipole antennas arrayed along and connected to the pair of feeder lines; and a balance/unbalance converting portion formed on a feeding side of the base portion for feeding the pair of feeder lines in series.

The invention belongs to the technical field of biomedical dressings and relates to an end-capped modified polyethylene glycol cross-linking agent having an ultraviolet light response function, a preparation method and a hydrogel dressing containing the cross-linking agent and a preparation method thereof. The technical problem is solved that wound pain and secondary wounds care caused by when anexisting hydrogel dressing is removed for secondary wound treatment. The modified polyethylene glycol cross-linking agent having the ultraviolet light response function is formed by adopting an injectable in-site gel forming mode, and the gel forming mode has very good adaptability to wound shapes and meanwhile has better fitting property compared with a blocky dressing to be gelled without auxiliary fixing materials. When wounds need to be further treated, regional selective irradiation can be performed through 10 mw/cm<2> ultraviolet light of 365 nm, gel softening and degradation are achieved. Compared with other dressings, the function can prevent wound pain during gel removal and prevent newly growing tissues from being physically harmed to cause secondary wounds.

A semiconductor package structure and a manufacturing method thereof are provided. The semiconductor package structure includes a semiconductor die, a thermally conductive film, a substrate, a plurality of electrically conductive film patterns, and at least one insulator. The thermally conductive film is disposed on the bottom of the semiconductor die. The substrate is substantially comprised of the electrically conductive material or semiconductor material. Furthermore, a first hole is disposed on and passed all the way through the substrate, and the semiconductor die is disposed in the first hole. The electrically conductive film patterns are disposed on the substrate, and not contacting with each other. In addition, the insulator is connected between the semiconductor die and the substrate.

The invention discloses a reinforcing agent for a soil site in a semi-humid or humid area. The reinforcing agent comprises a HYT-1 reinforcing agent, a HYT-2 reinforcing agent and a HTY-3 reinforcingagent; the HYT-1 reinforcing agent takes nanometer calcium hydroxide and polyethylene glycol as main raw materials, and isopropanol is taken as a dispersing agent; the HYT-2 reinforcing agent takes methyl silicate as a main material, absolute ethyl alcohol is taken as solvent, ammonium hydroxide is added, and heating and stirring are conducted to form a colourless liquid; the HTY-3 reinforcing agent is that a SCA-903 type silicane coupling agent is added to i-butyltriethoxanesilane and absolute ethyl alcohol is taken as solvent. The reinforcing agent has good permeability, and can keep the original appearance of soil surface; so that the soil has suitable mechanical strength and a better weather-resistant ability; the reinforcing agent has better water resisting property, and has a certainresistance to salt corrosion ability, and can better adapt to the environment of the soil site in the semi-humid or humid area.

An orally-disintegrating tablet comprises a principal agent, a sugar alcohol powder and a sugar alcohol granule, wherein the orally-disintegrating tablet has a hardness of 30 N or greater. According to the present invention, a smooth swallowing orally-disintegrating tablet, for which both the mechanical strength and the disintegration properties in the buccal cavity are favorable with using a normal tableting machine and without using special devices and the feeling on the tongue and taste are favorable, is provided.

The invention discloses a marine biological medical material for repairing skin wounds as well as a preparation method and application of the marine biological medical material. From a plurality of marine bioactive substances, preferably, marine fish skin collagen, carboxymethyl chitosan and alginate which are good in biocompatibility and easy to process and degrade are scientifically combined with platelet-derived growth factors PDGF-BB, and optimization is carried out, so that the marine collagen-based hydrogel is prepared. The material has the advantages of being high in porosity, high in swelling ratio, good in mechanical property, capable of controlling slow release of PDGF-BB, free of cytotoxicity and the like, cell adhesion, proliferation, migration and vascularization can be remarkably promoted, inflammatory response is effectively relieved, and scar hyperplasia is reduced. The biomedical material is wide in application range and convenient to use, can prevent bacterial infection without frequent replacement, and has remarkable effects of promoting regeneration and repair of burns, scalds, cutting wounds, traffic wounds, surgical wounds, war wounds, firearm wounds combined with seawater soaking wounds, diabetic ulcers, inflammatory ulcers, pressure ulcers and chronic refractory wounds.