132results about How to "Guaranteed basic performance" patented technology

The invention provides a water-base cement which consists of a main adhesion agent, an auxiliary adhesion agent and a defoaming agent which are mixed according to the weight ratio of 20-30:1-3:1-5, wherein, the main adhesion agent is a mixed liquor prepared by one or a plurality of polyethylene glycol oxide, sodium carboxymethyl cellulose or polyvinyl alcohol with de-ionized water, and the solid content thereof is between 1 percent and 10 percent; the auxiliary adhesion agent is the mixed liquor prepared by one or two of butadiene styrene rubber or polyfluortetraethylene with the de-ionized water, and the solid content thereof is between 30 percent and 70 percent; the defoaming agent is one or a plurality of ethanol, glycol or propanediol which are mixed for use. The water-base cement has low cost, is innoxious and environment-friendly. The invention also provides a lithium battery which uses the water-base cement and a manufacturing method for the lithium battery.

The present invention relates to a method to fabricate a full edible insect powder, with the main raw material as the edible insects with the represent of the flour weevil, the cicada, the cryptympana atrata, the locust and the silkworm pupa. The exploited products in both domestic and international markets at present include the specific animal feeds and the dishes of edible insects, as well as the animal feed made from a certain amount of raw materials of insects. The present invention aims to exploit a full edible insect powder as well as the fabrication method and application thereof to accomplish the industrialized production with a large scale. The technical proposal is that the insects which undergoes both elimination of foreign bodies, toxins and cleaning up in the latter phase of cultivation are killed, dehydrated, roasted, (or dried through refrigeration) dried and refrigerated in vacuum, and then smashed and filtrateed to be the final product. The effect of the present invention is that the full insect powder contains all nutritious elements thereof, including proteins, lipids, vitamins and various trace elements. The present invention has unique characteristic, safety without toxins, wide application fields, feasibility to be the nutrition of serious snacks, and feasibility to be the stuffing of food of various cakes and candies.

The invention provides a vacuum pump control method and device and an electric car and relates to the field of electric car control. The problems that in the prior art, the property of a vacuum pump cannot be ensured, and reliability and safety are low are solved. The method is applied to a vacuum pump system which comprises an atmospheric pressure sensor and a relative pressure sensor. The method comprises the steps that when breakdowns do not occur to the two pressure sensors, the vacuum degree of a vacuum booster is determined according to an absolute pressure value detected through the atmospheric pressure sensor and a relative pressure value detected through the relative pressure sensor, and the vacuum pump is controlled according to the vacuum degree; when the breakdowns occur to the atmospheric pressure sensor and do not occur to the relative pressure sensor, the vacuum pump is controlled according to the relative pressure value; and when the breakdowns occur to the relative pressure sensor, the vacuum pump is controlled according to braking signals. According to the scheme of the vacuum pump control method and device and the electric car, effective control over the vacuum pump under different breakdown conditions is achieved, so that the property of the vacuum pump is ensured, and reliability and safety are improved.

The invention discloses a water permeable brick capable of adsorbing heavy metal ions, and belongs to the field of building materials. A paving brick has a double-layer structure, wherein the surface layer is made of ferroaluminate cement mortar, and the lower layer is made of ferroaluminate cement concrete; the ferroaluminate cement mortar of the surface layer comprises the following components in percentage by weight: 25 to 30 percent of ferroaluminate cement, 55 to 65 percent of sand and 10 to 15 percent of steel slag; and the ferroaluminate cement concrete of the lower layer comprises the following components in percentage by weight: 15 to 30 percent of ferroaluminate cement, 1 to 5 percent of zeolite, 50 to 60 percent of coarse aggregate and 20 to 30 percent of fine aggregate. Since the water permeable brick capable of adsorbing the heavy metal ions has the double-layer structure which is constructed by different materials, the heavy metal ions can be adsorbed on the basis of guaranteeing basic performance of the water permeable brick; and the problem of pollution treatment caused by urban traffic which cannot be solved by the conventional paving brick can be practically solved.

The invention relates to a semi-worsted yarn and a spinning method thereof. The semi-worsted yarn is formed by blending, by weight, 25-35% of coffee carbon fibers, 25-35% of bamboo carbon fibers and 30-40% of cotton fibers and spinning the same by semi-worsted spinning process. The spinning method sequentially includes a dyeing step, a fiber combining step, a cotton carding step, a drawing step, a roving step, a yarn spinning step and a spooling step. The blended semi-worsted yarn is blended with various fibers. The advantages of each fiber, which are shown by reasonable arrangement of the fibers according to weight proportion, are integrated, and accordingly, basic performance of the yarn is kept while functions of suppressing bacterium breeding, reducing discharge of smelly ammonia and effectively removing peculiar smell of smoke and wine and the like are achieved. Besides, compared with the worsted process, the semi-worsted process is short in procedure. The semi-worsted yarn is looser and softer than worsted yarns and more uniform and lustrous than roving and is high in applicability to raw materials, widely popularized, low in equipment investment and small in occupation space in factories, and the count of the yarn can be adjustable.

A robot arm joint quick-change interface system allowing on-rail replacement relates to a robot arm joint quick-change interface system. The robot arm joint quick-change interface system solves the problem that an electric connector of a conventional robot arm joint quick-change interface system is damaged due to overload, since the electric connector has no over travel buffering function. A tolerance guiding abutting apparatus comprises a recessed body and a protruding body matching with the recessed body structure, wherein the recessed body and the protruding body are detachably connected through a plurality sets of locking positioners and a plurality sets of mechanical connection and quick-detach apparatuses, the plurality sets of locking positioners are uniformly arranged between the recessed body and the protruding body, and the plurality sets of mechanical connection and quick-detach apparatuses are uniformly arranged between the recessed body and the protruding body. An electrical connecting device is arranged in a cavity formed by the recessed body and the protruding body. The robot arm joint quick-change interface system is used for spatial on-rail maintenance.

The invention belongs to the technical field of graphene rubber composite materials, and provides a graphene modified nitrile rubber and a preparation method thereof. The graphene modified nitrile rubber is prepared from the following components in parts by weight: 70-90 parts of a nitrile rubber, 10-30 parts of a modified graphene oxide-carboxyl nitrile rubber master batch, 1.5-2 parts of a vulcanizing agent, 0.5-2.0 parts of a vulcanizing accelerator, 3-5 parts of a vulcanizing activator, 1-3 parts of a plasticizer, 1-2 parts of an antioxidant and 20-30 parts of fillers; and the modified graphene oxide-carboxyl nitrile rubber master batch is prepared from the modified graphene oxide and further prepared from carboxyl nitrile rubber latex, wherein mercapto-siloxane after hydrolysis reactswith the graphene oxide by being subjected to dehydration synthesis, and the modified graphene oxide is obtained. Through the technical scheme, the problem of poor high and low temperature resistanceof the nitrile rubber in the prior art is solved.

The invention provides a design and manufacturing method used for selective laser sintering sand mould regional strength change. Firstly, a belt casting system three-dimensional model is designed according to appearance characteristics of a cast part and divided into finite element meshes used for numerical simulation, fluid-solid coupling and thermal stress calculation are conducted on the finite element meshes, stress distribution of a sand mould in the filling and solidifying processes is obtained, the stress distribution is converted into equivalent stress according to a sand mould material strength standard, and strength required distribution of the sand mould is obtained; secondly, sintering efficiency is taken into consideration, process parameters meeting requirements are extracted from a process parameter library, and regions using different process parameters are divided out; thirdly, the sand mould model obtained after partition is sliced to generate a regional variable-process-parameter scanning strategy; fourthly, the regional variable-process-parameter scanning strategy is imported into a selective laser sintering device for layered sintering and manufacturing, and finally the sand mould with regional strength is obtained. The method is capable of improving efficiency of manufacturing the sand mould through the laser sintering technology and improving adaptability of the sand mould to the casting process.

The invention relates to a filter material for water treatment, in particular discloses a hemp fibre filter wire and a preparation method thereof. The hemp fibre filter wire is characterized by being prepared by using hemp fibres as raw materials, spinning the hemp fibres into yarns through hemp spinning equipment and then degumming, bleaching, drying and forming. The invention is mainly used for the purification and the filtering of various liquids; a wire-wound filter core prepared by the hemp fibre filter wire is used for the precise filtering of the liquids in a petroleum industry, a chemical industry, an electron industry, a pharmaceuticals industry, a food industry, a domestic water industry, and the like; and in addition, the invention can bring new vitality for the water treatment industry due to excellent performance and complete green environmentally-friendly quality.

The invention discloses high-energy lithium battery cathode slurry, and relates to the technical field of lithium battery production. The slurry mainly aims at solving the problems that the existing cathode slurry has poor viscosity, has insufficiently uniform smearing, and has a direct influence on the performance of a battery. The slurry comprises the following raw materials: a cathode active substance, a conductive agent, an adhesive agent, a defoaming agent, a high-polymer additive, a dispersing additive, a thickening agent, a flame retardant, a buffer solution and the balance of solvent.The invention further discloses a preparation method of the high-energy lithium battery cathode slurry. The high-polymer additive has ionic conductivity, so that the ionic conductivity of a cathode material can be improved; the charge transfer resistance can be reduced; and the rate capability of a lithium ion battery can be improved. The thickening agent is added by combination, so that various components can fully exert effects; the thickening agent can keep the stability of a molecular structure in a long-time standing process, and can keep the performance of the slurry stable; and agglomeration and sedimentation can be avoided.

The invention provides a sealing strip cladding sizing material and a preparation method thereof as well as a car door sealing strip and a preparation method thereof. The sealing strip cladding sizingmaterial of the invention is prepared from the following components: EPDM (Ethylene-Propylene-Diene Monomer) 3092M, EPDM 4045M, EPDM PX-049, zinc oxide, stearic acid, PEG-4000, a dispersing agent, tackifying resin, paraffin oil R-2291, carbon black N550, sulfur S-80, a moisture absorbent GR, an accelerant M-75, an accelerant DM-75, an accelerant TRA-70, an accelerant TMTD-75, an accelerant BZ-75,an accelerant ETU-80, and a microsphere foaming agent EWE-60GE. The sealing strip cladding sizing material of the invention can implement the light-weight design of a sealing strip product, also hasrelatively good physical properties such as processability and surface quality, and can improve the quality of a sealing strip utilizing the sealing strip cladding sizing material.

The invention discloses a high-bending-degree wide-color-gamut ceramic curved surface rock plate and a preparation method and application thereof. The thickness of the curved surface rock plate is 3-6 mm, the curvature radius is larger than or equal to 100 mm, and the arc center angle is 0-180 DEG C. The curved surface rock plate comprises a glaze layer, and the glaze layer comprises a ground glaze layer and a cover glaze layer arranged on the upper portion of the ground glaze layer. The ground glaze layer is prepared from the following raw materials in parts by weight: 81-90 parts of EN-1 frit, 8-12 parts of kaolin, 2-7 parts of quartz, 0.3-0.5 part of sodium tripolyphosphate and 0.15-0.22 part of sodium carboxymethyl cellulose; the cover glaze layer is prepared from the following raw materials in parts by weight: 30-45 parts of 7 # transparent frit, 8 parts of kaolin, 0-7 parts of quartz, 0-40 parts of albite, 0-15 parts of potassium feldspar, 0-5 parts of dolomite, 0-5 parts of calcite, 0-6 parts of barium carbonate, 0.3-0.5 part of sodium tripolyphosphate and 0.15-0.22 part of sodium carboxymethyl cellulose. According to the ground glaze formula adopted by the curved surface rock plate, after hot bending and re-burning, glaze cracks of the bottom surface glaze are not generated, the phenomena of matt recrystallization and glaze layer devitrification are avoided, and the color gamut range is widened.

The invention discloses a novel environment-friendly phase change plastering putty, which comprises the following components in percentage by weight: 0.1 to 8 percent of modifier, 0.5 to 25 percent of phase change material, 0.3 to 1 percent of water retention agent, 0.01 to 0.2 percent of bonding agent, 0.1 to 2 percent of intensifier, and the balance of construction gypsum. Because the phase change having the characteristics of energy storage is added, and the modifier, the intensifier and the like are also added, the novel environment-friendly phase change plastering putty has the characteristics of ensuring the basic performances of the plastering putty, simultaneously automatically adjusting the ambient temperature in the room and making an indoor air-conditioning system operate smoothly, and meeting the requirements of modern people on the high-quality living environment.

The invention discloses a washable anti-pilling process of a knitted cashmere sweater maker. The process includes the step: weaving on a Shima Seiki 16-needle computerized flat knitting machine by 40 2-strand roves for the first time. The basic anti-pilling performance is ensured by transverse density and walewise density while cashmere comfort is retained. Woven is naturally formed by a knitting process and cannot shrink or deform after being repeatedly washed by a washing machine, and the problems of fuzzing and pilling are solved and deformation caused by machine washing is avoided as the yarn twist is tightened during spinning, knitting density is increased in flat knitting, and a steel wire frame is used for natural setting in ironing.

The invention discloses a fabric for a safety air bag. Two or more filaments with different initial moduli exist in the warp direction and/or the weft direction of the fabric, and the initial modulusdifference ratio of the high initial modulus filaments to the low initial modulus filaments is 10 to 70 percent. The sewn part of the fabric has good slippage resistance, and the fabric has good rigidity and softness and folding property.

The invention discloses a GIS local discharging detecting system and method based on sound-electricity integration sensor,comprising sound-electricity integration sensor, BP neural network fusion module, DS decision module and display module; the sound-electricity integration sensor is used for simultaneous detection of ultrasonic wave and ultra-high frequency signal generated from local discharging ; BP neural network fusion module filters and fuses the discharging information detected by sound-electricity integration sensor and transmits such information to DS decision module;according to the obtained discharging information, the DS decision module uses the D-S evidence theory to perform the decision fusion for fault type determination results and transmits the decision fusion to display module; the display module is used for display after analysis and processing of obtained data. The system and method are used for GIS local discharging detection by new sound-electricity integration sensor and detecting whether local positioning is performed while local discharging occurs.

The invention provides polyamide and a production method and application thereof. The polyamide is shown as -[(NH-R1-NH)-(OC-R2-CO/OC-R3-CO)]m-, wherein R1 is preferably straight chain alkyl having 3-8 carbon atoms; R2 is preferably straight chain alkyl having 4-8 carbon atoms; and R3 is preferably straight chain alkyl having 6-20 carbon atoms. The polyamide provided by the invention does not need to form transparency by means of addition and modification, so that the problems of sensitivity to the content of additives, aging and migration occurring after a long time, and the like are solved.

The invention belongs to the technical field of biodegradable materials, and relates to a biodegradable film material. The film material comprises 60 to 90 parts of PBAT, 5 to 15 parts of PLA/PBS, 3 to 8 parts of modified starch, 10 to 30 parts of modified biological calcium powder, 2 to 10 parts of EAA, 0.1 to 1 part of a dispersant, 0.1 to 1 part of a chain extender, 0.1 to 1 part of erucyl amide, 0.1 to 1 part of a surfactant and 1 to 5 parts of glycerin/silicone oil. The film material is green, environmentally friendly, degradable, capable of reducing pollution to the environment, high inbiological decomposition rate, high in strength and low in cost.

The invention discloses a device used for dehalogenation and regeneration of waste and old electronic plastic and a method thereof. The device comprises a dehalogenation and regeneration system of the waste and old electronic plastic and a two-step tail gas purification and treatment system, wherein, the dehalogenation and regeneration system of the waste and old electronic plastic consists of a feeder, a preprocessor, a dehalogenation reactor, a regenerator, a regenerating plastic cooler and a granulator that are connected in sequence; an absorption liquid collecting tank of the two-step tail gas purification and treatment system is connected with a tail gas absorption tower by an absorption liquid circulating pump, and the tail gas absorption tower is further connected with the absorption liquid collecting tank; the dehalogenation reactor is connected with an inlet arranged at the lower end of the tail gas absorption tower through an air guide pipeline. The method comprises steps of preprocessing of the waste and old electronic plastic, vacuum dehalogenation, treatment of the tail gas from dehalogenation, modification of fused mass, plasticity repairing, cooling, solidification and molding of the fused mass and granulation, etc. The invention is applicable to regeneration of the waste and old electronic material represented by TV shells and other high-bittern containing waste and old plastic and is characterized by being environment friendly.

The invention discloses an environment-friendly fireproof sealing gypsum, which comprises the following components in percentage by weight: 0.2 to 8 percent of non-metallic mineral fireproof material, 0.1 to 5 percent of modifier, 0.01 to 0.8 percent of water retention thickening agent, 0.01 to 0.2 percent of bonding agent, 0.01 to 0.5 percent of retarder, 0.1 to 2 percent of intensifier, and the balance of construction gypsum. Because the non-metallic mineral fireproof materials such as mica powder or vermiculite and the like are added, and the modifier, the intensifier and the like are also added, the environment-friendly fireproof sealing gypsum can ensure the basic performances of the sealing gypsum and simultaneously has the characteristics of fire resistance, crack resistance, environmental protection, no toxin, no irritation, and the like.

The invention discloses a preparation method of wear-resistant heat-conducting irradiation-crosslinking ultra-high molecular weight polyethylene. The preparation method comprises the following steps: adding ultra-high molecular weight polyethylene granules with the molecular weight of 2 million or so into 8 wt% of heat-conducting filler, boron nitride, 0.5 wt% of wear-resistant filler, carbon nanotubes, 1 wt% of crosslinking accelerator and 0.1 wt% of antioxidant to form a mixture; sufficiently mixing the mixture, sending the mixture into an extruder, melting by heating, and extruding by an extruder, wherein in the heating process, the temperature and pressure of the raw materials are controlled, and the thickness of the extruded material is kept at 1-10mm; and irradiating the obtained sample by gamma-rays of a cobalt source in air with the irradiation dose of 50-180 kGy, and putting the irradiation sample into a drying oven under vacuum conditions. On the premise of keeping the inherent properties of the ultra-high molecular weight polyethylene material stable, the method further enhances the wear resistance, heat-conducting property, temperature resistance and mechanical strength of the ultra-high molecular weight polyethylene material.

The invention discloses fabrics for an air pocket and a production method thereof. According to the standard of JISL-1093, the strength of a sewing part of the fabrics for the air pocket is over 400 N/inch. The production method comprises the following steps of: weaving synthetic fiber filaments through a water-jet loom to form the fabrics for the air pocket, and performing aftertreatment including washing refining at the temperature of between 30 and 90 DEG C, heat setting and drying. The invention can provide fabrics of which the slippage of the sewing part is little when air bags are unfolded.

The invention discloses a synthetic resin tile and a preparation method thereof, belonging to the technical field of resin tiles. According to the preparation method, chopped alkali-free glass fibersare added into a polyvinyl chloride resin base material so as to form a network skeleton structure in the base material, so that the aging of the resin is delayed, and the service life of the synthetic resin tile is prolonged. Meanwhile, the synthetic resin tile is divided into three layers, namely an upper surface layer, a middle layer and a lower surface layer which have different effects, so that the resin tile has multiple properties of weather resistance, ultraviolet resistance and the like further has relatively high practicability and high product quality on the basis that basic properties (lightness, high strength, good tenacity, corrosion resistance and the like) of the resin tile are guaranteed.

The invention discloses a lithium battery in a high-strength fiber structure and a preparation method thereof. According to the invention, micro fibers are uniformly dispersed into a nano fiber spinning solution, and the micro fibers are insoluble in the nano fiber spinning solution and can stably exist. The separator is prepared by an ectrospinning method. The separator produced by the inventionhas good ion transfer performance, puncture resistance and tensile strength performance; the separator can withstand the puncture strength of more than 300 g, and the tensile strengths in both the transverse and longitudinal directions are more than 50 MPa, thereby effectively improving the charge and discharge performance and safety performance of the battery. The production technology is simple;the efficiency is high; and the lithium battery separator is suitable for scale production.