48results about How to "Radiation resistance" patented technology

Disclosed are weatherable multilayer articles comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive layer comprising a polyester with structural units derived from at least one glycol and at least one dibasic carboxylic acid, and (iv) a substrate layer, wherein the coating layer is in contiguous contact with the second layer, and the adhesive layer is in contiguous contact with the second layer and the substrate layer. Also disclosed is a method for making the multilayer article.

A radiation resistant single-mode optical fiber has a core and a cladding, each made of fluorine-doped silica glass, in which a chlorine concentration of the core is at least 0.01 ppm, a relative refractive index difference of the core based on the refractive index for silica is between −0.30 and −0.10%, a relative refractive index difference of the core based on the refractive index for the cladding is between 0.3% and 0.5%, a cutoff wavelength is 1.27 μm or below, and a bending loss at a wavelength of 1.3 μm and a bending diameter of 20 mm is 0.5 dB / m or less.

An antenna system is presented including an electrically conductive radiating mast that extends generally vertical relative to earth ground. The mast has a lower end for receiving RF energy for radiation thereby at an operating RF frequency and an upper end. A plurality of N radial, electrically conductive, wires are provided with each having an inner end and an outer end. The inner ends of the radial wires are electrically connected together and located proximate to the vertical mast. The radial wires are elevated throughout their lengths above the level of earth ground and extend radially outward from the vertical mast. A tuning device, such as an adjustable inductor, is connected to the radial wires for adjusting the impedance thereof such that the radial wires resonate at the operating frequency.

The invention relates to a reflective insulation energy-saving coating for the external surface of a building. The coating is characterized by comprising the following components in percentage by weight: 15 to 45 percent of deionized water, 0.5 to 5 percent of dispersing agent, 16 to 36 percent of rutile type titanium dioxide, 3 to 35 percent of insulation powder, 0.1 to 3.5 percent of wetting agent, 0.5 to 2 percent of auxiliary film forming anti-freezing aid, 1.5 to 7.8 percent of film forming aid, 0.1 to 1.8 percent of antifoaming agent and 0.5 to 2.5 percent of thickening agent. The reflective insulation energy-saving coating for the external surface of the building effectively resists radiation of heat energy produced by sunlight and is an energy-saving and environment-friendly product; meanwhile, the preparation process flow for the coating is simple, complex equipment is not needed, large-scale processing production is easy to implement, the preparation process is environment-friendly, the conventional insulation system can be partially or completely replaced through thermal performance design calculation, and the potential fire hazard of an external wall insulation system is eliminated.

The acrylate paint for indoor and outdoor wall consists of water, acrylate or sodium carboxylate as dispersant, acetificated or saponificated mineral oil as lubricant, organic silicon oil as defoaming agent, hydroxy ethyl cellulose as leveling agent, dodecyl alcohol ester, propylene glycol, foamed polyethylene powder as stuffing, lithopone and / or titania powder, talcum powder, light calcium heavy calcium and synthetic polyacrylate emulsion as main component. Then these materials are mixed successively. It has excellent heat isolating performance, high washing resistance, good cracking resistance, high radiation resistance, high adhesion, long service life and other advantages.

The invention discloses a nanotechnology protection method for existing bridge structures. The nanotechnology protection method comprises the steps of A, removing loose concrete and removing rust of exposed steel bars; B, repairing pit holes through epoxy mortar made of coarse sand of 40-80 meshes; and C, repairing the surfaces of the pit holes through epoxy mortar made of fine sand of 80-120 meshes. According to the nanotechnology protection method for the existing bridge structures, SiO2 nano-particles are adopted as nano-coatings, the performance of isolating air can be greatly improved, the nano-coatings can be solidified at normal temperature and form a compact and stable protective film on the surface of protected base material, the air and water can be isolated, ultraviolet radiation can be effectively resisted, the protection rigidity can be improved, the acid resistance and the alkali resistance can be improved, the surface of the protected base material can have the long-term protection effect of being high in weather resistance, resistant to corrosion, easy to clean and super-hydrophobic, reinforced concrete can be effectively protected, and the durability of the structures can be improved.

The invention provides adult pluripotent stem cells (PSC) for treatment or prophylaxis for radiological exposure. In an embodiment of the invention, the cells are very small embryonic like stem cells (VSELs). The VSELs can be used to rescue the hematopoietic and immune systems of individuals suffering from the delayed effects of acute radiation syndrome (ARS).

The invention discloses a wide-energy-spectrum white-light neutron resonance photographic detector and detection method. According to the detector, the interior of a detector body is a cavity structure; an incident window and a rear window are respectively arranged at two ends; a neutron-sensitive MCP, a common high-performance MCP and a position-sensitive anode strip array circuit board are arranged in a direction from the incident window to the rear window; a vacuum extraction opening is formed in the side wall, close to the rear window, of the detector body. The position-sensitive anode strip array circuit board is connected with a signal extraction electrode, and one end of the signal extraction electrode is arranged on the side wall of the detector body. The detection method comprisesthe following steps: injecting a neutron beam from the incident window; reacting with a boron element in the neutron-sensitive MCP to generate charged particles; exciting electrons by the charged particles; after electron cascade amplification generation by the electrons through the common high-performance MCP, making a drift to the position-sensitive anode strip array circuit board to form an electric pulse signal; and then performing outputting through the signal extraction electrode. Therefore, resonance photography for distinguishing all resonance nuclides on a high-intensity wide-energy-spectrum neutron source can be realized.

The invention relates to a diatomite modified cement and light high-strength concrete preparing method, including components in weight percent: ordinary Portland cement 47-89.5%, surface modified diatomite 10-50%, and additive 0.5-3%, feeding the prepared materials in a rough mixing machine and a fine mixing machine, so as to obtain the diatomite modified cement, then mixing and stirring the diatomite modified cement with sand, stone and water to obtain the light high-strength concrete. This concrete has lightness, high strength, good heat-insulating and -preserving effect, ability to resist UV radiation, wide use, ability to act as light wall material, light cement prefabricated part, bearing material, etc, able to be widely applied to high-rise architectures, storey architectures, industries in need of preserving heat, insulating heat and insulating sound and civil architectures.

The invention provides a cane vinegar bath bag and a preparation method thereof, and relates to the technical field of bath products. The cane vinegar bath bag provided by the invention comprises the following raw materials in parts by weight: 8-10 parts of passion fruit branches, 10-15 parts of folium litchi, 8-12 parts of honeysuckle, 5-8 parts of peristrophe roxburghiana, 2-3 parts of sea salt, 2-3 parts of folium mirabilis jalapa, 6-10 parts of fructus aurantii, 7-14 parts of compound essential oil and 18-25 parts of cane vinegar. The cane vinegar bath bag provided by the invention is used for being put into a bath container before bathing, can dissolve and release anti-inflammatory components and slimming components, can sterilize and disinfect skin of a user, improves ability of the body to defend harmful microorganisms outside, promotes blood circulation of skin, stretches pores, promotes absorption of effective components, and has the effects of slimming by sweating, body fragrance, anti-inflammation and body warming; moreover, the cane vinegar bath bag is convenient to use and suitable for a wide range of people.

The invention relates to the field of insulated cable fabrication, in particular to a double-insulated cable which is provided with a conductive core, wherein the conductive core is externally provided with an insulated layer which adopts a double-layer structure of an internal layer and an external layer, the internal layer is made of low-smoke and zero-halogen crosslinked polyethylene insulated material, and the external layer is made of low-smoke and zero-halogen flame-retardant crosslinked polyolefine insulated material. The cable insulated layer produced by the method can meet the requirements of a civil nuclear facility project on fire resistance, electric property, mechanical property, irradiation resistance and long service life property.

A radiation resistant single-mode optical fiber has a core and a cladding, each made of fluorine-doped silica glass, in which a chlorine concentration of the core is at least 0.01 ppm, a relative refractive index difference of the core based on the refractive index for silica is between −0.30% and −0.10%, a relative refractive index difference of the core based on the refractive index for the cladding is between 0.3% and 0.5%, a cutoff wavelength is 1.27 μm or below, and a bending loss at a wavelength of 1.3 μm and a bending diameter of 20 mm is 0.5 dB / m or less.

The invention relates to the field of insulated cable fabrication, in particular to a fabricating method of a cable insulated layer. Low-smoke and zero-halogen crosslinked polyethylene insulated material is used as the material of an internal layer, low-smoke and zero-halogen flame-retardant crosslinked polyolefine insulated material is used as the material of an external layer, and the internal layer and the external layer are together extruded out by utilizing two plastic extruding devices. The cable insulated layer produced by the method can meet the requirements of a civil nuclear facility project on fire resistance, electric property, mechanical property, irradiation resistance and long service life property.

The invention discloses high polymer wear-resisting optical plastic and a preparation method thereof. The high polymer wear-resisting optical plastic is prepared from the following raw material components in parts by weight: 8-10 parts of phenolic resin, 10-12 parts of polycarbonate, 4-6 parts of nano calcium carbonate, 5-7 parts of ethylene propylene rubber, 5-9 parts of acrylic resin, 15-20 parts of polymethyl methacrylate, 8-14 parts of transparent polyamide, 3-4 parts of magnesium hydroxide, 1-2 parts of sorbic acid, 2-3 parts of white carbon black and 25-30 parts of alcohol. The high polymer wear-resisting optical plastic adopts easily available materials, is strong in wear resistance, has good impact resistance, is flame-resistant and waterproof, is bright, is high in refractive index, effectively resists ultraviolet radiation, is resistant to ageing and oxidization, is strong in thermal stability, is suitable for a low-temperature environment, and prolongs the service life.

The invention discloses an aromatic anti-radiation fabric. The aromatic anti-radiation fabric is composed of 8-10 parts of jasmine fibers, 4-6 parts of polypropylene fibers, 1-3 parts of spandex, 2-4 parts of milk fibers, 4-6 parts of cotton fibers, 7-9 parts of bamboo fibers and 1-3 parts of chinlon. The aromatic anti-radiation has the advantages that the anti-radiation effect can be achieved, jasmine fragrance is sent out, and the aromatic anti-radiation fabric is smooth like milk.

The invention discloses a fluorescent ultraviolet-proof fabric which comprises a fabric outer layer, a fabric middle layer and a fabric inner layer. The fabric middle layer is formed by polyester pongee fibers in a weaving mode. The fabric inner layer is formed by satin fibers and cotton fibers in a blending mode. The fabric outer layer is made of polyester peach skin. Fluorescent patters are arranged on the polyester peach skin. The fabric inner layer is arranged below the fabric outer layer. The fabric middle layer is arranged between the fabric outer layer and the fabric inner layer. The fluorescent ultraviolet-proof fabric is capable of resisting ultraviolet radiation and preventing ultraviolet rays from passing through the fabric to injure bodies of people. Moreover, the fluorescent ultraviolet-proof fabric has a fluorescent effect, can also be convenient to identify on the condition of weak light, and is diversified in function and convenient to use.

The invention discloses furfuryl alcohol resin wood and a modification treatment process. The furfuryl alcohol resin wood comprises a wood body, a sliding block, a sliding groove, positioning holes, threaded holes, concave grooves, fixing bolts, a polyvinyl chloride coating, a wear-resistant layer, a wood grain layer, an anti-corrosion layer, a balance layer, through holes, a mounting groove, a spring and a ball, wherein the sliding block is installed on one side of the wood body, the positioning holes are formed in the two ends of the outer side of the sliding block correspondingly, the threaded holes are formed in the two sides of the top end of the sliding block correspondingly, the sliding groove is formed in one side of the wood body, and the concave grooves are formed in the two endsof the top end of the sliding groove correspondingly; and the through holes are formed in the centers of the interiors of the concave grooves, the fixing bolts are arranged inside the through holes,and the fixing bolts are connected with the threaded holes in a matched mode; according to the wood and the process, the treatment process comprises the following steps of preparing the furfuryl alcohol resin; degreasing; cleaning and drying; cross-linking treatment; acetylation and cyanation treatment; resin impregnation treatment; wood bleaching and dyeing, so that the wear resistance and the corrosion resistance of the furfuryl alcohol resin wood are effectively ensured.

The invention discloses a 10 kV graphene composite shielding low-noise anti-interference overhead insulated cable, comprising a highly conductive composite aluminium conductor. The highly conductive composite aluminium conductor is composed of 37 highly conductive composite aluminium wires of a diameter of 2.54 mm by four-layer intertwisting in a "1+6+12 +18" structure mode; a graphene composite semiconductive shielding layer, a crosslinked polyethylene internal insulating layer and a modified weather-proof insulation external insulating layer are extruded outside the highly conductive composite aluminium conductor in common; and an outer surface of the modified weather-proof insulation external insulating layer is provided with a nanometer micro-spiral air guide groove by thermal printingand then a graphene composite glass fibre layer is arranged through extrusion weaving or sparse winding, and a layer of fluorocarbon paint is sprayed outside the graphene composite glass fibre layer.The 10 kV graphene composite shielding low-noise anti-interference overhead insulated cable has the advantages of high electric strength, high temperature resistance, high thermal stability, high anti-interference performance, high humidity resistance, good embrittlement resistance and weather aging resistance, and thus the service life of the cable is greatly prolonged, and the safety of the cable is greatly improved.

The invention discloses a durable type ultraviolet-radiation-resistant curtain fabric. The durable type ultraviolet-radiation-resistant curtain fabric comprises a polyester base fabric, a blacking layer, a light shielding layer and an ultraviolet light absorbing layer. A production method of the durable type ultraviolet-radiation-resistant curtain fabric comprises the steps of 1, selecting a PET polyester fabric as the curtain fabric base fabric; 2, compounding backing glue; 3, uniformly applying the blacking glue to the curtain fabric base fabric in a scrape-coating manner, and conducting drying, so that the blacking layer is obtained; 4, compounding light shielding layer glue; 5, applying the light shielding layer glue to the blacking layer in a scrape-coating manner, and conducting drying, so that the light shielding layer is obtained; 6, compounding ultraviolet light absorbing glue; and 7, applying the ultraviolet light absorbing glue to the light shielding layer in a scrape-coating manner, and conducting drying, so that the ultraviolet light absorbing layer is obtained. By means of the durable type ultraviolet-radiation-resistant curtain fabric and the production method thereof, the technical problem that the optical radiation resistance efficiency and the life cycle of a curtain cannot be achieved at the same time is solved; and the obtained curtain fabric can resist to ultraviolet radiation, and in addition, the ultraviolet-resistant function of the curtain fabric can last for a long service time.

The invention relates to a radiation-proof textile fabric. The radiation-proof textile fabric is composed of an inner layer fabric, an outer layer fabric and a metal film. The inner layer fabric is synthesized by combining 26-30 parts of cotton fibers, 30-40 parts of flax and 30-44 parts of silk; the outer layer fabric is composed of down feather and goat wool; and the metal film covers the surface of the outer layer fabric. The radiation-proof textile fabric can be worn next to the skin, can effectively resist radiation from external electromagnetic waves, and reduce harm of the electromagnetic waves to human body. An adhesive layer with meshes can guarantee breathability and wearing comfort of the radiation-proof textile fabric.

The invention relates to special waterproof paint for a building and a preparation method thereof. The special waterproof paint is prepared from the following ingredients in parts by weight: 4 to 6 parts of polyurethane, 15 to 20 parts of acrylic emulsion, 3 to 5 parts of titanium dioxide, 3 to 4 parts of polyvinylether, 2 to 3 parts of hydrophobic silica, 6 to 10 parts of mica powder, 10 to 15 parts of styrene-acrylate emulsion, 3 to 5 parts of sodium carboxymethyl cellulose, 2 to 4 parts of diacetone acrylamide, 3 to 5 parts of aromatic polyamides, 2 to 3 parts of putty powder and 25 to 30 parts of ethyl alcohol. The special waterproof paint has the advantages that the materials can be easily obtained; the anti-ultraviolet radiation is effectively realized; the oxidization resistance, aging resistance, insulation and flame retardance are realized; a surface coating is formed for achieving the waterproof effect; the paint can also seep into the substrate to form crystals so as to prevent water passing; the duplex waterproof effect is achieved; the bonding performance is high; the dispersion is uniform; the smooth degree is high; one-step coating is performed; the work efficiency is improved; the cost is reduced; the curing time is short; the application range is wide.

The invention relates to the field of protective articles, in particular to an arm protecting device. The arm protecting device comprises a reflecting layer which is arranged on an outer layer and is matched with the shape of the forearm of a human body, a protecting layer which is arranged on an inner layer and is in contact with the skin of people, elastic supporting columns which are arranged between the reflecting layer and the protecting layer and achieve the effects of isolation and buffering, and magnetic hand rings for fixing. According to the above technical scheme, the arm protecting device is good in sun block effect and capable of effectively resisting ultraviolet radiation or strong light. After a prestress steel sheet is used, a driver can put on and take off the arm protecting device easily and conveniently.

The invention relates to an anti-radiation textile fabric. The anti-radiation textile fabric comprises the following components: cotton fibers, stainless steel fibers, nano metal shielding fibers, Lizhu fibers, silk, cashmere, far-infrared fibers and silver fibers. The fabric can effectively resist radiation of external electromagnetic waves, injury of the electromagnetic waves to human bodies is reduced, and therefore, the anti-radiation textile fabric meets wearing requirements of high-frequency equipment operators, communication equipment operators and women of childbearing age in the field of industry, medical treatment and the like. In addition, the stainless steel fibers have excellent conductive performance, and further have excellent anti-static performance. Meanwhile, the anti-radiation textile fabric is soft in texture and good in washing fastness, and has good heat retention property and wet permeability; and because the far-infrared fibers are functional health-care fibers, the unique health-care effect can be achieved when a user wears clothes made of the anti-radiation textile fabric in a close-fitting manner.

The invention discloses nutrient-enriched natural astacin containing quail feed. The quail feed contains, by mass, 1-10% of natural astacin and 90-99% of poultry feed. Natural astacin is extracted from algae, fungi, fish, shrimps, crabs and plants. According to the quail feed, the biological and pharmaceutical characteristics of astacin are utilized, peculiar super-strong tinting strength and a nutritious health-care function are brought into play, natural astacin is adopted and is transferred and stored in quail egg yolk by aid of the effective conversion ability of quails, and therefore a nutrient-enriched and health-care functional product easy to accept by the mass is produced. Astacin in obtained quail eggs rich in natural astacin is mainly concentrated in quail egg yolk; the quail eggs can serve as common food or health-care food with a special function or main materials or auxiliary materials or the like of other food.

The invention discloses a nutrition fortified cattle feed containing natural astaxanthin. The nutrition fortified cattle feed is prepared from the following components in percentage by weight: 1-10% of natural astaxanthin and 90-99% of a compound feed, wherein the natural astaxanthin is extracted from algae, funguses, fish, shrimps, crabs, plants and the like. The biologic characteristics and the pharmacal characteristics of the astaxanthin are utilized, and specific super-strong tinting strength and nutritive health-care functions are exerted; based on the compound feed for cattle, the natural astaxanthin is added, the absorption, the conversion and the storage of the cattle are effectively utilized, the natural astaxanthin in the feed can promote microorganisms and body tissue in cattle rumens to be synthesized into various vitamins, the appetite is stimulated, reproduction and lactation are facilitated, the healthy state of a respiratory system and mucosae is maintained, and normal eyesight is maintained; and the natural astaxanthin which is not converted finally is transferred and stored into the muscle cells of the cattle, the generation of allochromatic metmyoglobin cells is avoided, and the generation of oxidation reactions in muscle cells of beef is thoroughly avoided.

The present application discloses a fabric for anti-ultraviolet and wear-resistant silk stockings, and belongs to the technical field of home textiles and garments. The silk stockings produced from the fabric are formed by blending and weft-knitting ultra-high-molecular-weight polyethylene yarns and polyurethane; and / or, the silk stockings produced from the fabric are formed by weft-knitting coated yarns obtained by coating the ultra-high-molecular-weight polyethylene yarns with the polyurethane. The fabric is light, thin and comfortable, has natural cool sense, excellent wear resistance, impact resistance and anti-cutting property, and has a good anti-ultraviolet function.

The invention discloses furfuryl alcohol resin wood and a modification treatment process. The furfuryl alcohol resin wood comprises a wood body, a sliding block, a sliding groove, positioning holes, threaded holes, concave grooves, fixing bolts, a polyvinyl chloride coating, a wear-resistant layer, a wood grain layer, an anti-corrosion layer, a balance layer, through holes, a mounting groove, a spring and a ball, wherein the sliding block is installed on one side of the wood body, the positioning holes are formed in the two ends of the outer side of the sliding block correspondingly, the threaded holes are formed in the two sides of the top end of the sliding block correspondingly, the sliding groove is formed in one side of the wood body, and the concave grooves are formed in the two endsof the top end of the sliding groove correspondingly; and the through holes are formed in the centers of the interiors of the concave grooves, the fixing bolts are arranged inside the through holes,and the fixing bolts are connected with the threaded holes in a matched mode; according to the wood and the process, the treatment process comprises the following steps of preparing the furfuryl alcohol resin; degreasing; cleaning and drying; cross-linking treatment; acetylation and cyanation treatment; resin impregnation treatment; wood bleaching and dyeing, so that the wear resistance and the corrosion resistance of the furfuryl alcohol resin wood are effectively ensured.