57results about How to "Will not change shape" patented technology

The invention discloses a high-stability surface-enhanced Raman substrate and a preparation method thereof and belongs to the technical field of detection on trace organic substances. The preparation method of the high-stability surface-enhanced Raman substrate comprises the following steps: preparing a silver nanorod array by an oblique growth method and then uniformly coating the surface of silver nanorods with an amorphous-state aluminum oxide film by a low-temperature atom layer deposition technology. Due to the adoption of relatively low deposition temperature in the substrate prepared by the method, the shape of the silver nanorods is unchanged; meanwhile, by virtue of the ultrathin aluminum oxide film, a surface-enhanced Raman effect is not greatly attenuated, so that the substrate has a good surface-enhanced Raman effect; the surface of the silver nanorods is uniformly coated with the aluminum oxide film, so that the silver nanorods are isolated from an outside environment, the oxidation resistance and the vulcanization resistance of the silver s are improved, and the stability of the surface-enhanced Raman effect of the silver nanorods is greatly improved; the high-stability surface-enhanced Raman substrate has wide application prospects in the aspects of trace and fast detection on organic substances.

The invention relates to automatic assembly line equipment for steam finish-ironing and shaping. The automatic assembly line equipment mainly comprises a machine frame. An upper layer conveying line is arranged on the machine frame, a group of upper layer supporting needles are fixedly connected to an upper layer chain, a lower layer conveying line is arranged on the machine frame, and a group of lower layer supporting needles are fixedly connected to a lower layer chain. The lower layer chain penetrates through a sealed steam drying box, a steam processing section formed by upper steam spraying pipes and lower steam spraying pipes is arranged in the steam drying box, and a drying shaping processing section formed by upper heating tubes and lower heating tubes is arranged in the steam drying box. The automatic assembly line equipment for steam finish-ironing and shaping has the advantages that the equipment is operated in an assembly line mode, labor is saved, and efficiency is improved. The temperature and the speed can be adjusted; blown out steam can be adjusted; the steam spraying pipes are concave, and the steam can be blown to a cap in all directions. The cap can be quickly cooled down through fans at the rear portion of the equipment, and the product is integrally formed (without deforming). Meanwhile, after finish ironing of the cap quickly cooled down, the cap cannot be creased and deform no matter how hard a user rubs the cap.

The invention relates to a pastry filling and its processing method, wherein each 100kg of the filling comprises the following compositions: white gourd fabric 18-22kg, hyacinth bean 8-12kg, white sugar 10-20kg, malt sugar 10-20kg, vegetable oil 3-12kg, table salt 0.5-0.8kg, Chinese prickly ash powder 0.5-1,5kg, gourmet powder 0.2-0.5kg, walnut kernel >=3kg, groundnut kernel >=5kg, pinenut >=1kg, melon seeds >=10kg, black sesame seeds >=1.5kg, half dried prune >=3.5 kg, and dried kumquat >=3.5 kg.

The invention discloses a method for deacidification of an entire volume of archive and a whole book directly with ethylene oxide. The method directly adopts ethylene oxide gas phase deacidification to realize direct deacidification of an entire volume of archive and a whole book. The whole deacidification process of the invention is basically conducted under an atmospheric condition, the method has the characteristics of safe operation, low requirement for vacuum degree and low cost, not only can deacidify acidic paper in the entire volume of archive and the whole book and make the pH value of the treated paper reach neutral and alkaline, but also does not cause yellowing of the alkaline paper in the entire volume of archive and the whole book, also can increase the folding endurance and tensile strength of alkaline paper, and the treated paper is difficult to lose water and can maintain for a long term, so that the aging resistance of the deacidified paper can be enhanced. The method provided by the invention has no influence to the handwriting on the paper, does not change the color and shape of the paper, cannot cause deformation of the archive and the book, and lefts no ethylene oxide on the paper, thus meeting the requirement of large-scale batch treatment.

The invention discloses a preparation method of a Cu / TiO2 catalyst, comprising the following steps: (1) introducing a vaporized copper precursor into a gas phase adsorption system in a pulse form to adsorb the copper precursor on the surface of nano-TiO2; (2) purging by introducing an inert gas into the system; (3) introducing a reducing agent into the system to reduce the copper precursor adsorbed on the nano-TiO2 to copper; (4) purging by introducing an inert gas into the system to obtain the Cu / TiO2 catalyst. By the method of the invention, Cu can be uniformly distributed on the surface ofTiO2, not changing the pore structure and specific surface area of TiO2. The catalyst has high shape preservation and catalytic activity, and precise control of Cu content can be achieved.

The invention discloses a filler modifying method and application thereof. The method comprises the following steps that (A) powdery fillers are uniformly unfolded and laid on the porous material surface; the powdery fillers are selected from carbon materials, metal materials, conductive polymers, and coating materials, nitrides, oxides, sulfide, hydrotalcite and silicate thereof; (B) a polymer orpolymer solution is added into an evaporation container; the polymer is selected from self heated polymers capable of being decomposed into free radicals, and polymers capable of being evaporated orsublimated after being heated or can be evaporated along with solvents; (C) on the basis of chemical vapor deposition, an vacuum evaporation method or a vacuum spray method, the materials in the evaporation container are heated; film formation molecules escape or extremely fine steam mist is formed; the formed steam is incident to the filter surface to form an ultrathin insulation thin film; the modified filter is obtained. The method has the advantages of high flexibility, simple process, low cost, uniform medication effect, stable filter performance and the like, and has wide application prospects in the fields of heat conduction composite materials and anti-corrosive paint.

The invention relates to a moisture-absorption sweat-releasing and ventilation fabric with a good sweat-releasing effect. The fabric comprises a pure cotton fabric (1), wherein a bamboo carbon fiber layer (2) is arranged under the pure cotton fabric; a moisture-absorption and sweat-releasing layer (3) is also arranged under the bamboo carbon fiber layer; a layer of blended fabric (4) covers the bottom of the moisture-absorption and sweat-releasing layer (3), and a base layer (5) is compounded under the blended fabric (4). The base layer is made of fabrics; the fabrics are formed by interweaving warp yarns and weft yarns; the warp yarns and the weft yarns adopt one-upper and one-lower plain vein tissues; the weft yarns comprise first weft yarns and second weft yarns which are arranged according to a proportion being 1:1; the warp yarns adopt PET (polyethylene terephthalate) fiber; the first weft yarns adopt viscose fiber, and the second weft yarns adopt moisture-absorption and sweat-releasing fiber. The moisture-absorption sweat-releasing and ventilation fabric with the good sweat-releasing effect has the advantages that the sweat can be absorbed away, and in addition, the sweat can be volatilized in time; the ventilation and sweat-releasing effects are good; a great amount of sweat can be absorbed in time and is then released into the air; the fabrics are firm and durable; small damages such as scratch can be avoided, and the fabric can be cleaned in various modes, and can still maintain softness without deformation.

The invention relates to a breathable sweat removing fabric which comprises an outer layer, an inner layer and a middle layer. The inner layer is a skin-friendly fabric layer, the middle layer is a breathable perspiration layer, the outer layer is a protection layer, the skin-friendly fabric layer and the protection layer are arranged on two surfaces of the breathable perspiration layer, the breathable perspiration layer comprises warp yarns and weft yarns which are arranged at intervals, and breathable holes are formed among the warp yarns and weft yarns. Compared with the prior art, the fabric is simple in overall structure, simple and convenient in manufacturing process, firm, durable, not afraid of small damage such as scratch, good in breathability and sweat removing property and convenient to popularize and apply, cannot deform, solves the problems in the prior art and meets requirements.

The invention discloses a preparation method of a ZnO double-flower-head structure. The preparation method of the ZnO double-flower-head structure comprises the following steps: adding divalent zinc salt into a mixed solvent of ethylene glycol and water, and stirring, so that a transparent solution is obtained; continuously dropwise adding right amount of ethanolamine, so that a precursor solution is obtained; heating the precursor solution to 130-170 DEG C by utilizing a solvothermal method, and carrying out heat preservation for a period of time; and carrying out centrifugal separation and washing after reaction is finished, so that the ZnO double-flower-head structure is obtained. The preparation method of the ZnO double-flower-head structure has the advantages that the needed raw materials are available, a reaction technology is simple, the product size distribution range is narrow, and important significance is provided for fine control and large-scale application of the ZnO double-flower-head structure; and the obtained ZnO double-flower-head structure has good repeatability, the yield is high, the particle size is controllable, and the ZnO double-flower-head structure has relatively good development prospects in the fields of photovoltaic conversion, photocatalysis and the like.

The invention discloses an automobile door panel with a buffering apparatus. The automobile door panel comprises an outer door panel and an inner door panel, wherein two ends of the outer door panel and the inner door panel are welded together by virtue of a connecting block, a plurality of rubber buffering bars which are uniformly distributed are arranged between the outer door panel and the inner door panel, and a spring is arranged in each rubber buffering bar. Compared with the prior art, the self-strength and the collision resistance of the automobile door panel are greatly improved; when the automobile door panel is subjected to the collision of an external force, the rubber buffering bars can buffer partial external force applied onto the outer door panel, so that the stress on the inner door panel is greatly reduced, the automobile door panel is uneasy to deform, and the personal safety of people inside a car is effectively guaranteed.

The invention relates to a strong air ventilating and perspiring fabric with an anti-ultraviolet function. The strong air ventilating and perspiring fabric comprises a lower cotton fabric layer (1), a wool layer (2) and an upper cotton fabric layer (3), wherein a base layer (6) is compounded onto the lower surface of the lower cotton fabric layer, an air ventilating layer (4) is coated at the surface of the upper cotton fabric layer and is formed by blending and weaving polyester fibers (3.1) and polyamide fibers (3.2), and an anti-ultraviolet layer (5) is arranged at the surface of the air ventilating layer (4); the base layer is made of a fabric, the fabric is formed by weaving warp yarns and weft yarns, the warp yarns and the weft yarns are of a one-over-one-under plain weave structure, the weft yarns comprise first weft yarns and second weft yarns which are arranged in a ratio of 1 to 1, the warp yarns adopt PET (polyethylene terephthalate) fibers, the first weft yarns adopt viscose fibers, and the second weft yarns adopt moisture-absorbing and perspiring fibers. The strong air ventilating and perspiring fabric with the anti-ultraviolet function has the advantages that the ultraviolet rays can be prevented, and the anti-ultraviolet function with air ventilating and perspiring effects is realized; the air ventilating and perspiring effects are strong.

The invention provides a cerium dioxide composite nanomaterial. The cerium dioxide composite nanomaterial is prepared from nano cerium dioxide and carboxylic acid bipyridine ruthenium dye, wherein theruthenium dye is bonded to the surface of the nano cerium dioxide by means of a carboxyl group. The invention further provides a preparation method and application of the composite nanomaterial. According to the composite nanomaterial provided by the invention, the surface of the cerium dioxide is coated with the carboxylic acid bipyridine ruthenium dye in a bonding way; the binding force of thecerium dioxide and the carboxylic acid bipyridine ruthenium dye is better, so that the structure of the composite material is more stable, and the morphology of the nano cerium dioxide is also not changed; and the cerium dioxide composite nanomaterial has excellent superoxide dismutase (SOD) simulating activity, thus being used as an SOD simulant with a great application potential. The preparationmethod provided by the invention has the advantages of being simple to operate, mild in reaction conditions, low in cost, high in repeatability, and the like.

The invention provides a processing method of the biological activity of foods, fruits and vegetables, mainly comprising the following steps of: firstly freezing and drying the foods or the fruits and the vegetables at low temperature by an ultralow-temperature vacuum freezing dryer; storing dried materials in vacuum; and removing the materials stored in the vacuum to an aseptic workshop to be processed by food mechanical equipment at normal temperature to obtain powdery, square, sheet and strip-shaped or circular foods or obtain square, sheet and strip-shaped or circular fruit and vegetable processing products, wherein the low temperature means -10-60 DEG C, and the normal temperature means 8-26 DEG C. The products processed by the method not only have attractive colour and luster, but also ensure the nutrient components of the internal molecular structure to be more than 98 percent, can integrally retain all readily oxidizable substances without forming hard films on the surfaces of the readily oxidizable substances and deforming due to contraction and has more unique flavor and very good taste.

The invention relates to an anti-static waterproof warm fabric with high breathability and sweat releasing property. The anti-static waterproof warm fabric comprises an outer layer (1), a fabric layer (2) and an inner layer (3), wherein the outer layer (1) and the fabric layer (2) are in pressing fit; the outer layer (1) is a windproof and waterproof breathable film; the fabric layer (2) is a textile; the inner layer (3) is a warm layer; an anti-static layer (4) is arranged between the inner layer (3) and the fabric layer (2) and is formed by weaving warp yarns and weft yarns; the textile comprises weft yarns and warp yarns which are interwoven; the warp yarns and the weft yarns are in plain weaving in a one-over one-under manner; the weft yarns comprise first weft yarns and second weft yarns which are arrayed according to a ratio of 1 to 1; the warp yarns adopt PET (polyethylene terephthalate) fibers; the first weft yarns adopt viscose, and the second weft yarns adopt moisture absorption and sweat release fibers. The anti-static waterproof warm fabric is waterproof, has a warm effect and is high in breathability and sweat releasing property.

The invention relates to a breathable sweat release oil-dirt-resistant costume which comprises a costume body and a costume lining (5), wherein a layer of active carbon fabric (6) is arranged at an oxter part of the costume lining (5); the active carbon fabrics (6) form a gridding type network (7) at the breast of the costume lining. The costume body is made of a fabric; the fabric is formed by interweaving warp yarns and weft yarns; the warp yarns and the weft yarns are one-over-one plain weaves; the weft yarns comprise first weft yarns and second weft yarns which are arrayed according to a ratio of 1 to 1; the warp yarns adopt PET (polyethylene terephthalate) fibers; the first weft yarns adopt viscose fibers; the second weft yarns adopt moisture absorption and sweat release fibers. The breathable sweat release strong warning costume can prevent sweat gathering of oxters and effectively suppress generation of germs and peculiar smell. The breathable sweat release oil-dirt-resistant costume is high in breathability and sweat release property.

The invention relates to an antistatic fabric with strong breathing and perspiring functions. The antistatic fabric with strong breathing and perspiring functions comprises a base layer (1), the surface of the base layer (1) is provided with an antistatic layer (2), the antistatic layer (2) is formed through interweaving warp yarns and weft yarns, the warp yarns are formed by cotton yarns, the weft yarns are formed by conductive fibers, the conductive fibers are striped in shape, and the spacing is 5-10mm; and the base layer is made of a fabric, the fabric is formed through weaving warps and wefts, the warps and wefts are one-up-and-one-down plain structures, the wefts comprise first wefts and second wefts according to a ratio of 1:1, the warps adopt PET fibers, the first wefts adopt viscose fibers, and the second wefts adopt moisture absorption and perspiration fibers. The antistatic fabric provided by the invention has a very good antistatic performance and strong breathing and perspiring functions.

The invention relates to a waterproof insulation fabric with strong breathability and perspiration property. The fabric comprises an outer layer (1), a fabric layer (2) and an inner layer (3) in sequence, wherein the outer layer (1) and the fabric layer (2) are laminated; the outer layer (1) is formed by a windproof and waterproof breathable film; the fabric layer (2) is made from a fabric; the inner layer (3) is an insulation layer; the fabric is formed by interweaving warps and wefts; the warps and the wefts are interwoven up and down alternately to form a plain weave; the wefts comprise first wefts and second wefts; the first and second wefts are arranged in a proportion of 1 to 1; the warps are formed by PET (polyethylene terephthalate) fibers; the first wefts are formed by viscose; the second wefts are formed by moisture absorbing and perspiring fibers. The fabric has good waterproof effects and cloth insulation effects and has strong breathability and perspiration property.

The invention relates to an antistatic fabric with strong breathability and perspiration property. The fabric comprises a base layer (1), wherein the surface of the base layer is covered by a breathable layer (2); air holes (3) are formed in the breathable layer; an antistatic layer (4) is bonded between the base layer and the breathable layer and is formed by interweaving warps and wefts; the warps are formed by cotton yarns; the wefts are formed by stripe-shaped conductive fibers; the distance between the conductive fibers is 5-10mm; the base layer is made from a fabric formed by interweaving warps and wefts; the warps and the wefts are interwoven up and down alternately to form a plain weave; the wefts comprise first wefts and second wefts; the first and second wefts are arranged in a proportion of 1 to 1; the warps are formed by PET (polyethylene terephthalate) fibers; the first wefts are formed by viscose; the second wefts are formed by moisture absorbing and perspiring fibers. The fabric not only has breathable effects but also has good antistatic property. The fabric has strong breathability and perspiration property.

The invention relates to a waterproof antibacterial warm fabric with high breathability and sweat release properties. The waterproof antibacterial warm fabric comprises a base layer (1), an inner layer (2), a fabric layer (3) and an outer layer (4) in sequence from inside to outside, wherein the base layer (1) is formed by connecting warp yarns and weft yarns; the warn yarns and the weft yarns are formed by weaving nano-silver fibers; the inner layer (2) is a warm layer; the outer layer (4) and the fabric layer (3) are in pressing fit; the outer layer (4) is a windproof and waterproof breathable film; the fabric layer (3) is a textile; the textile is formed by interweaving warp yarns and weft yarns; the warp yarns and the weft yarns are in plain weaving in a one-over one-under manner; the weft yarns comprise first weft yarns and second weft yarns which are arrayed according to a ratio of 1 to 1; the warp yarns adopt PET (Polyethylene Terephthalate) fibers; the first weft yarns adopt viscose, and the second weft yarns adopt moisture absorption and sweat release fibers. The waterproof antibacterial warm fabric can be used for improving the antibacterial efficiency and is high in breathability and sweat releasing properties.

The invention relates to artificial leather with characteristics of antibiosis, heat-insulation and strong perspiration capacity, the artificial leather comprises a base layer (1) and a surface layer (2), an antibacterial interlayer (3) is arranged between the base layer (1) and the surface layer (2), suede (4) is arranged on internal surface of the base layer(1), the base layer is made by fabrics, the fabrics are made by interlacing warp yarn and weft yarn, warp and weft yarn employ upper and lower plain weave, the weft comprises first weft and second weft, first weft and second weft are arranged according to ratio of 1: 1, the warp employs PET fiber, the first weft employs viscose fiber, and the second weft employs moisture absorption and sweat releasing fiber. The artificial leather has heat-insulation effect and antibacterial effect. The artificial leather has strong perspiration capacity, a lot of sweat can be timely absorbed and then released to air; the base layer is solid and durable and free of damages of scratches and the like, and can keep softness without deformation after being cleaned by using a plurality of methods.

An inorganic material composite floor relates to a composite floor, and comprises a colloid layer and a bark layer arranged on the colloid layer, wherein the colloid layer is prepared by cementing foamed glass fragments and foamed sulfur oxygen magnesium cement, and the foamed glass fragments serve as a base body and the foamed sulfur oxygen magnesium cement serves as slurry. Compared with the prior art, the composite floor has texture and foot feeling as same as those of wood floor, has excellent elasticity, is soft and noiseless when a user walks on the floor, and also has the characteristics which the wood floor does not have, such as water resistance, noninflammability, nontoxicity, durability and the like.

The invention relates to a velvet fabric with strong ventilation and sweat-permeation capability. The velvet fabric comprises velvet cloth (1), wherein a sponge layer (2) is arranged under the velvet cloth (1); an antistatic layer (3) is arranged under the sponge layer (2); the antistatic layer (3) is made of core-spun yarn fibers; the fibers comprise yarns (3.1) and metal wires (3.2); the metal wires (3.2) are wound on the yarns (3.1); and a base layer (4) is arranged under the antistatic layer (3). The base layer is made of a textile and the textile is formed by interweaving warps and wefts; the warps and the wefts are in an up-down plain weave pattern; the wefts comprise first wefts and second wefts; the first wefts and the second wefts are arrayed at the ratio of 1 to 1; the warps are made from PET fibers; the first wefts are made from viscose fibers; and the second wefts are made from moisture-absorption and sweat-permeation fibers. The velvet fabric has elegant color and luster, is gorgeous and is firm and wearable, is not easy to deform, has elasticity and has the moisture-absorption and ventilation functions. The velvet fabric has the strong ventilation and sweat-permeation capability.

The invention relates to a bamboo charcoal fiber fabric with strong breathability and strong sweat-releasing property. The bamboo charcoal fiber fabric comprises bamboo charcoal fibers (1), wherein a layer of non-woven fabric (2) covers the bamboo charcoal fibers (1), a base layer (5) is covered by the bamboo charcoal fibers (1), an anti-static layer (3) is arranged between the non-woven fabric (2) and the bamboo charcoal fibers (1), and is prepared by core-spun yarn fibers, the core-spun yarn fibers comprise yarns (3.1) and metal wires (3.2), and the metal wires (3.2) wind the yarns (3.1). The base layer is prepared by a textile, the textile is formed by interweaving warp yarns and weft yarns in a plain structure with the arrangement manner of one warp yarn on the upper part and one weft yarn on the lower part, the weft yarns comprise first weft yarns and second weft yarns which are arranged according to the ratio of 1 to 1, the warp yarns adopt PET fibers, and the first weft yarns adopt viscose fibers. The bamboo charcoal fiber fabric has the effects of breathability, static electricity resistance and radiation resistance. The bamboo charcoal fiber fabric has strong breathability and strong sweat-releasing property.

The invention discloses a silver-doped copper vanadate composite photocatalytic material, a preparation method thereof and application of the silver-doped copper vanadate composite photocatalytic material as a carbon dioxide reduction photocatalyst. The silver-doped copper vanadate composite photocatalytic material is formed by doping silver ions into a nano strip-shaped CuV2O6 crystal. The preparation method of the silver-doped copper vanadate composite photocatalytic material comprises the step of carrying out one-step synthesis on an aqueous solution containing a vanadium source, a copper source and a silver source through a hydrothermal reaction. The composite photocatalytic material shows high catalytic activity and stability on carbon dioxide reduction under visible light irradiation, carbon dioxide can be converted into carbon monoxide in a high-selectivity mode, the preparation process of the composite photocatalytic material is simple and environmentally friendly, and large-scale production is facilitated.

The invention belongs to the field of battery energy storage, and discloses a preparation method and application of a Fe0.975S(at)NSC composite material. The preparation method comprises the following steps: slowly mixing ferric salt and a nucleating agent in an aqueous solution, and carrying out hydrothermal treatment at 150-200 DEG C to obtain a cake-shaped Fe2O3 precursor; and performing interface modification and high-temperature solid-phase vulcanization treatment to obtain the Fe0. 975S-coated NSC composite material. The preparation method is simple and low in cost, and the prepared Fe0. 975S(at)NSC composite material is stable in structure. When the Fe0. 975S(at)NSC composite material is respectively used as a lithium ion battery negative electrode material and a sodium ion battery negative electrode material, the Fe0. 975S(at)NSC composite material has excellent lithium / sodium storage capacity, reaction reversibility and rate capability, and the lithium / sodium storage performance of the Fe0.975S(at)NSC composite material under low current density is superior to that of other electrode materials with Fe and S proportions.

The invention discloses a phosphino ionic liquid modified nano composite material and a preparation method thereof, and application of the material to enrichment of phosphorylated peptides in a biological sample containing the phosphorylated peptides. Comprising the following steps: (1) carrying out substitution reaction on a chloropropyl modified substrate material and polyethyleneimine (PEI), and fixing the PEI on the surface of the substrate material; and (2) carrying out quaternization reaction on the brominated alkyl-containing phosphonate and the PEI layer to obtain the ionic liquid modified layer with organic phosphine functionalization. And (3) fixing metal ions on the surface of the material through an ester group hydrolysis reaction and a metal ion complexation reaction. The functionalized material prepared by the invention has the advantages of large specific surface area, excellent hydrophilicity, high metal immobilization amount, excellent sensitivity, high specific selectivity, high size exclusion effect and excellent reusability. The nanocomposite is suitable for enrichment and purification of phosphorylated peptides of complex biological samples. The material has a wide application prospect in the fields of proteomics and biomedicine.

The invention discloses a manufacturing process of a polyurethane filament knitted belt. Polyurethane filaments are selected to be used as warp yarns; polyester filaments or nylon filaments are used as weft yarns; and a plurality of warp yarns and a plurality of weft yarns are interwoven and connected on a knitting machine. By aiming at the use characteristics and requirements of a flat elastic belt knitted by the polyurethane filaments, according to production practice, ironing is directly performed after knitting of the polyurethane filament knitted belt is completed. The polyurethane filament knitted belt is shaped, the knitted belt deformation is prevented, and the problem that the deformation of the polyurethane filament knitted belt or the dimension nonuniformity of the polyurethanefilament knitted belt can be caused by conventional subsequent ironing is solved.

The invention discloses an S-shaped rotor structure for a stainless steel roots flowmeter, which is characterized in that a swing plate is fixedly connected inside a metering chamber through the action of a roller, the lower surfaces of the two ends of the swing plate are fixedly connected with rotating shafts, one end of each rotating shaft is fixedly connected with two guide plates, the two rotating shafts and the flow guide plate are symmetrically arranged through the central axis of the swing plate, a plurality of rotors are arranged on one side of each rotating shaft, and the rotors are fixedly connected to one side of the metering chamber. The beneficial effects are that the gas is decelerated again through the plurality of rotors, the gas is discharged through the gas outlets in thegaps, and the rotor increases the gas passing speed due to the action of the rotating beads and the track when the gas passes through the gap, so that the result influencing the gas flow rate is minimized, and the inner wall of the protective shell is prevented from deforming, and therefore, the rotor is pushed to rotate to discharge gas downwards to finish metering.

The invention relates to an antistatic, antibacterial and anti-radiation fabric with strong breathability and perspiration property. The fabric comprises a bottom layer (4), wherein a base layer (1) is compounded on the surface of the bottom layer and is formed by connecting warps with wefts; the warps and the wefts are formed by spinning nano-silver fibers; an aluminium alloy film (2) is bonded on the upper surface of the base layer via adhesives; an antistatic layer (3) is arranged on the aluminium alloy film and is formed by interweaving warps and wefts; the warps are formed by cotton yarns; the wefts are formed by conductive fibers; the bottom layer is made from a fabric formed by interweaving warps and wefts; the warps and the wefts are interwoven up and down alternately to form a plain weave; the wefts comprise first wefts and second wefts; the first and second wefts are arranged in a proportion of 1 to 1; the warps are formed by PET (polyethylene terephthalate) fibers; the first wefts are formed by viscose; the second wefts are formed by moisture absorbing and perspiring fibers. The fabric has strong breathability and perspiration property.