12results about How to "Maintain physical properties" patented technology

The utility model discloses a kind of ultra-thin smart cards, including smart card;The upper end of the smart card is provided with a through-hole, the smart card is composed of chip, film layer, silica gel sheet, printing layer and protective layer, the film layer is attached on both sides of chip, the silica gel sheet is attached on the outside of film layer, the printing layer is attached on the outside of silica gel sheet, the protective layer is attached on the outside of printing layer.The silica gel sheet of the utility model has good flexibility and elasticity, is attached on the outside of film layer, can utilize its elastic buffer external impact force to smart card, reduce the damage caused to internal chip due to collision, extrusion etc., also make the whole smart card more flexible, meet the characteristic requirement of ultra-thin.

A dispersion of a cellulose nanofiber (CNF) and a cellulose nanocrystal (CNC) that maintains a physical property even after drying and redispersing and has a long pot life is provided. A composite of the CNF and the CNC having a higher rupture strength and a higher oxygen gas barrier property is also provided. The dispersion contains a CNF having a sulfate ester group and a CNC having a sulfate ester group. The composite contains the CNF having a sulfate ester group and the CNC having a sulfate ester group.

The present invention relates to a fiber for fabric authenticity identification and a fabric authenticity identification system using the same, the fiber for fabric authenticity identification comprising an infrared light-emitting body, the fiber being included in a yarn or a fabric, the fiber having a function of fabric authenticity identification by mixing a special pigment with the fiber, and the fabric authenticity identification system using the same. Therefore, the effect of authenticity identification or counterfeiting prevention can be achieved. For example, for a specific functional product, analysis after fabric preparation becomes complex and infeasible, but rapid and accurate identification can be achieved through the fiber for fabric authenticity identification of the present invention.

The invention discloses a method and a system for determining the spacing of coal reservoir fracturing sections, and relates to the technical field of fracturing. The method comprises the following steps: placing a cubic reservoir sample in a vacuum tank, filling the vacuum tank with methane gas until methane is fully adsorbed, then injecting water into the vacuum tank to replace the methane gas, pressurizing the water in the vacuum tank to a pump stop pressure during fracturing, and finally releasing the pressure in the vacuum tank and desorbing until the desorbed gas no longer increases, thereby obtaining the desorption equilibrium time of the current reservoir sample; repeating the above steps to obtain the desorption equilibrium time of cubic reservoir samples with different side lengths, and obtaining a relationship between the desorption equilibrium time and the sample side length; in the invention, the relationship between the desorption equilibrium time and the sample side length is obtained, and the fracturing section spacing corresponding to the planned development period is back-calculated by using the relationship, thereby effectively improving the optimization effect of the fracturing section spacing.

The invention belongs to the technical field of seasoning crushing, and provides a crushing method for reducing loss of volatile substances in seasoning raw materials. The crushing method comprises the following steps: sequentially carrying out color protection treatment, vacuum low-temperature drying and liquid nitrogen crushing on seasoning raw materials to obtain seasoning powder; the temperature of vacuum low-temperature drying is 0-10 DEG C. The vacuum low-temperature drying and the liquid nitrogen crushing are combined, so that the nutrient substance loss and the volatile substance loss of the seasoning raw materials are remarkably reduced, and the heat-sensitive components are well preserved; due to the addition of the liquid nitrogen, the brittleness of the seasoning is enhanced, the crushing difficulty is reduced, and the thermal denaturation and the loss of volatile substances in the crushing process are reduced; color protection treatment can prevent the raw materials from being oxidized and discolored in the crushing process, the color of the product is kept, and the sensory quality is improved.

The utility model discloses a precise needle head double-air-passing filter which comprises an upper shell, a lower shell and a protective cap, the upper shell is arranged on the lower shell, and the protective cap is detachably arranged on the upper shell; the upper shell is provided with a bolt part, a first flow channel, a first exhaust hole and a first half cavity; the lower shell is provided with a nipple, a second flow channel, a second exhaust hole and a second half cavity; the novel needle head double-air-passing filter has the advantages that the use is convenient, the manufacturing cost is low, the exhaust time before injection is shortened, the bidirectional air passing function is achieved, the contradiction between medical care and patients is reduced, the service satisfaction degree of the medical care personnel is improved, the time for the medical care personnel to inject and rescue the patients is saved, and whether air exists after injection or not is not worried. In addition, a direct fixing method is adopted to change a traditional hot welding film fixing method, so that the physical and chemical characteristics of the film are kept, and the production cost is saved while the gas passing function is better realized.

The invention discloses a tea substitute for reducing uric acid and assisting in the treatment of gout, comprising by weight: 55-90 parts of black tea, 12-18 parts of Codonopsis pilosula, 12-18 parts of Smilax glabra, 12-18 parts of water flos floridis, 12-18 parts of Hibiscus mutabilis leaves, 8-12 parts of corn silk, 8-12 parts of dandelion, 8-12 parts of Momordica grosvenori, 5-10 parts of hawthorn, 5-10 parts of yam, 3-8 parts of wolfberry, 3-8 parts of Eucommia ulmoides, and 2-5 parts of Sargassum polysaccharide. The Chinese medicinal ingredients are reasonably matched according to the monarch, minister, assistant and envoy theory, Sargassum polysaccharide has certain viscosity, stability and antioxidant properties, helps to maintain the physical properties and texture stability of the product, and the black tea base is compounded with a variety of Chinese herbal medicines and Sargassum polysaccharide for taking, has good uric acid reduction and inhibitory effects, and can be used for assisting the prevention and treatment of gout.

The invention discloses a halogen-free flame-retardant damping type EPDM (Ethylene-Propylene-Diene Monomer) rubber material. The halogen-free flame-retardant damping EPDM rubber material is prepared from the following components in parts by weight: 22 to 33 parts of ethylene propylene diene monomer, 2 to 6 parts of modified halogen-free flame retardant, 1 to 4 parts of composite damping filler, 0.8 to 2.1 parts of anti-aging agent and 0.4 to 0.8 part of accelerant, wherein the modified halogen-free flame retardant is obtained by synthesizing o-hydroxy benzaldehyde, phenyl phosphoryl dichloride and 3-amino-1, 2, 4-triazole, and the composite damping filler is obtained by synthesizing palm oil polyol, phthalic anhydride polyester polyol and diphenylmethane diisocyanate. The modified halogen-free flame retardant and the composite damping filler are added into the EPDM rubber at the same time, so that the obtained EPDM rubber material has excellent flame-retardant effect, aging-resistant effect and damping effect.

The utility model relates to the field of buildings, and discloses a structure for preventing large-area pile loading from generating lateral stress on a building foundation, which comprises a pile foundation consisting of a foundation pile and a bearing platform, a loading surface is arranged on the bearing platform, an isolating layer is arranged between the loading surface and the foundation pile, and the isolating layer comprises an isolating cavity. The isolation cavity is internally provided with filler, and lateral stress borne by the building foundation can be reduced through deformation of the filler. Through the arrangement of the isolating layer, the problem of solving stress measurement through the traditional thinking of resisting is converted into the problem of reducing the stress measurement of large-area pile loading on the pile foundation through the thinking of unloading, so that the pile diameter and the pile number are effectively reduced, the engineering amount is reduced, and the economical efficiency is improved.

The invention relates to an S-doped g-C3N4 / Bi2MoO6Z type heterojunction photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalysis. The preparation method of the catalyst comprises the following steps: mixing and grinding melamine, ammonium bromide and thioacetamide, and then carrying out a thermal polycondensation reaction to synthesize S-doped g-C3N4; mixing the S-doped g-C3N4 with a molybdenum source and bismuth source solution to form a turbid liquid; and finally, carrying out solvothermal reaction on the turbid liquid to obtain the S-doped g-C3N4 / Bi2MoO6 photocatalyst. The preparation process is simple, the cost is low, the operation repeatability is high, and the prepared catalyst has a homogeneous structure and excellent visible light photocatalytic activity, can effectively degrade organic pollutants, and has a wide application prospect, especially in the fields of energy and environmental governance.

The invention belongs to the technical field of cigarette paperboard production, and particularly relates to a coating process for cigarette paperboard production, which comprises the following steps: step 1, preparation work: placing low-gram-weight raw paper on a hydraulic shaftless paper feeding frame for fixing, pulling one end of the raw paper to a coating device, and adding a prepared coating into the coating device; according to the coating process for cigarette paperboard production, by arranging the coating process, the effect that low-gram-weight paper achieves the effect of high-gram-weight paper can be achieved, drying can be accelerated through cooperation of an infrared drying oven and four sections of hot air drying ovens, infrared drying can evenly irradiate the paper, the conditions of hot spots and uneven drying are reduced, it is ensured that the drying effect is consistent, and the production efficiency is improved. And the surface of the paper can be rapidly heated, the drying efficiency is improved, the production period is shortened, the production cost is reduced, the gram weight of the paper is reduced, and meanwhile the effects of energy conservation, environmental protection, greenness, low carbon and cost reduction are achieved under the condition that the quality of the paper is not changed.

The invention relates to the technical field of plastic processing, and discloses an environment-friendly production process of a low-melting-point plastic product, which specifically comprises the following steps: 1, mixing treatment: mixing plastic raw material particles with an environment-friendly additive in a specific proportion to reduce the melting point of the plastic raw material particles and maintain the physical properties of the plastic raw material particles to obtain a mixed raw material; 2, melting treatment: feeding the mixed raw materials into melting equipment for melting treatment to obtain the raw materials after melting treatment; 3, plasticizing and extruding: plasticizing and extruding the molten raw materials through special processing equipment to form a required plastic product; 4, temperature and pressure control: in the extrusion process, controlling the temperature and the pressure to ensure that the melting point of the plastic product meets the preset low melting point requirement; by means of the process, the problems of energy consumption and environmental pollution in the production process of the plastic product with the low melting point can be remarkably solved, waste generated in the production process is reduced, and the material utilization rate is increased.