34results about How to "Health damage" patented technology

The invention relates to water-based ink for printing a thin film and a preparation method thereof. The water-based ink is prepared from the following raw materials in parts by weight: 28-35 parts of acrylic resin, 10-20 parts of epoxy resin, 12-20 parts of a pigment, 6-12 parts of wollastonite powder, 2-7 parts of nano bentonite, 4-9 parts of a sterilization mildew-proof agent, 0.5-3 parts of epoxy soybean oil, 1-4 parts of polyurethane, 0.5-2 parts of a surfactant, 0.5-2 parts of silane and 26-38 parts of de-ionized water. According to the water-based ink provided by the invention, the wollastonite powder is added so that the wearing resistance and anti-adhesion property of the ink can be improved; the added sterilization mildew-proof agent is prepared from Chinese herbal medicine ingredients, is safe and environment-friendly and has no injuries to health of human bodies; the ink provided by the invention has stable performance, good glossiness and dispersity and high drying speed; and in a utilization process, the ink does not fall off and is not faded, and the printing effect is lasting.

The invention provides a medicine composition which is used for treating chloasma and contains collagen and water-soluble pearl powder as well as a preparation, a preparation method and an application of the medicine composition. The composition comprises fish collagen, water-soluble pearl powder, vitamin C, vitamin E and main active components. The collagen is high in permeability for skin, can be combined with skin epithelial cells through cuticle, can join in metabolism for improving skin cells and achieves the purpose of moistening skin; the water-soluble pearl powder contains various active component and has important functions of improving the elasticity and the permeability of blood vessels, improving the blood oxygen supply capability, prompting subcutaneous tissue circulation, accelerating metabolism of skin and decomposing stain; as strong antioxidants, vitamin C and vitamin E can prevent accumulation of lipid peroxide, can further inhibit oxidation of dopa and prevent formation of melanin.

The invention discloses a rat repelling agent. The agent comprises, by weight, 1-99.9% of litsea cubeba oil, 0.01-1% of camphorated oil and the balance water or 1-10% of emulsifier. Compared with the prior art, the agent consists of natural components. The agent is good in volatility, nontoxic, free from residue and incapable of affecting the environment and hurting human health. The agent is mainly used for repelling a rat rather than killing the rat.

The invention discloses a non-toxic extracting solution composition GNR.1 and an extracting method for efficiently extracting a plant genome DNA and belongs to the technical field of biology. The extracting method concretely comprises the following steps of pyrolyzing plant cells by utilizing an SDS extracting buffer liquid containing PEG8000 to enable chromosomes to segregate, proteins to be denatured and nucleic acid to be released, after adding potassium acetate to remove a great amount of proteins and polysaccharides, adopting a PEG8000 / high-salt solution and an ethyl alcohol / high-salt solution to perform continuous DNA precipitation for two times to remove impurities including polysaccharides and polyphenols, and obtaining a great quantity of high-purity DNA. By adopting the method, agreat quantity of high-purity genome DNA can be extracted from young leaves or mature leaves of various plants, and the method is non-toxic to an operator, is small in environmental pollution, low incost and short in time and can be widely applied to DNA extraction of the plants.

The present invention relates to: an anisotropic conductive film composition comprising a binder part, a hardening part, a hardening agent, conductive particles, and a solvent having Hansen solubility parameters of 17 to 20; an anisotropic conductive film; and a semiconductor device connected by the film.

The invention relates to electronic atomization equipment capable of preventing repeated liquid injection and use and a control method thereof. The electronic atomization equipment comprises a power source device and an atomizer which are detachably connected, wherein the power source device comprises a battery and a control circuit, the control circuit comprises a microcontroller, a starting switch, a power control module and an atomizing liquid consumption statistics module which are electrically connected, the atomizer comprises a liquid storage cavity for storing an atomizing liquid, an atomization resistor and an ID chip electrically connected with the control circuit, the ID chip comprises an identification code storage module and an accumulation number storage module, the identification code storage module is used for storing an identification code representing a unique identity code of the atomizer, the accumulation number storage module is used for dynamically storing an atomizing liquid consumption accumulation number, the power control module outputs power to the atomization resistor, the atomization resistor is powered on to work to atomize the atomizing liquid, and the atomizing liquid consumption statistics module simulates and calculates the consumption of the atomizing liquid and accumulates the consumption of the atomizing liquid to the accumulation number storage module through the microcontroller.

The invention provides a high-solid-content white filling putty and a preparation method thereof. The filling putty comprises the components of, by weight: 20-50% of linseed oil, 1.0-2.5% of organic bentonite, 20-35% of heavy calcium, 10-20% of barium sulfate, and 10-30% of rutile titanium dioxide. The high-solid-content white filling putty provided by the invention is a functional product with an excellent environment-protection performance. No arene, ether or ether ester is added in the putty, such that the putty causes no damage to the health of the operator. The putty is not categorized as a hazardous chemical, and is safe and reliable in production, transportation, and application. The putty provided by the invention can be applied in a scraping smear process. The putty is characterized by low smell, high solid content, high filling property, and the like. The putty satisfies the requirements of HG / T3356-2003 on various nitrocellulose putty products.

The invention discloses a non-toxic acarid-killing and sterilizing combined cleaning agent for ventilation systems of air conditioners, which comprises limonene (C10H16), d-phenothrin (C23H26O3), tetramethrin (C19H25NO4) and polyhexamethyleneguanidine (C7H14O2N3Cl)n and can also be added with an emulsifier, aids and a stabilizer. The limonene and polyhexamethyleneguanidine can decompose surface substances of acarid and mould bodies to block the respiratory tract of the acarids and bacteria and kill the acarids and moulds. The concerted action of the emulsifier, aids and stabilizer improves the adhesiveness and permeability of the limonene and polyhexamethyleneguanidine on the surface of the acarid and mould bodies, thereby strengthening the knock-down and killing effects on the acarids and moulds. The lethal doses (LD)50 of the components adopted by the invention are all greater than 5,000 milligrams per kilogram of body weight. The composition is harmless and nontoxic to human bodies.

The invention discloses a rat repelling agent. The agent comprises, by weight, 1-99.9% of litsea cubeba oil, 0.01-1% of camphorated oil and the balance water or 1-10% of emulsifier. Compared with the prior art, the agent consists of natural components. The agent is good in volatility, nontoxic, free from residue and incapable of affecting the environment and hurting human health. The agent is mainly used for repelling a rat rather than killing the rat.

The invention discloses a waterborne bag / case leather suction-texturing process, which comprises the specific steps: stirring well 100 Kg of aqueous polyurethane wet resin, 0.5-1 Kg of a dispersant and 10-20 Kg of wood flour, sequentially adding 4-5 Kg of a blowing agent and 0.5-1 Kg of a thickener, stirring well to obtain a wet material meeting requirements, foaming the wet material 1.5-1.8 times, applying onto a base fabric by spraying which is soaked by acid water and dried, solidifying by acid water, rolling out water, washing with water, and drying to obtain a wet base; mixing well 100 kgof aqueous polyurethane dry resin, 0.5-1.0 Kg of an adjuvant and 0.5-1 Kg of a thickening agent to obtain a dry topcoat and a dry primer, applying the dry topcoat to release paper by spraying, applying the dry primer by spraying after drying to bond with the wet base, separating the release paper, heating for suction texturing, and kneading to obtain a finished product. The purely waterborne bag / case leather which is ecological and environmentally friendly can be acquired herein, which is free of environmental pollution, is soft to touch and has highly stereoscopic patterns.

The invention relates to a non-toxic extract composition GPR.1 capable of efficiently extracting plant genome DNA and an extraction method based on the extract. The method specifically comprises the following steps: lysing plant cells with an SDS extraction buffer containing PEG8000, PVPP (Polyvinylpolypyrrolidone) and protease K, performing chromosome segregation and protein denaturation, and releasing nucleic acids; adding potassium acetate to remove most of the proteins and polysaccharides, and continuously precipitating the DNA twice by adopting a PEG8000 / high-salt solution and an ethanol / high-salt solution so as to remove the polysaccharides, polyphenol, RNA, NTP and other impurities, thereby finally obtaining lots of high-purity DNA. According to the method disclosed by the invention, lots of high-purity genome DNA can be extracted from leaves (young leaves or mature leaves) of multiple plants, and the method is non-toxic to the operator, small in environmental pollution, low incost and short in time.

The invention discloses a formula of novel environment-friendly biological hydrocarbon oil and a preparation method of the novel environment-friendly biological hydrocarbon oil. The novel environment-friendly biological hydrocarbon oil is prepared by mixing the following raw materials: 1-1000kg of polyester-grade diethylglycerol, tap water, 0.5-500kg of purified water and a catalyst, no black smoke and no peculiar smell are discharged, no waste is discharged in the production process, no pollution is caused to the environment, and no harm is caused to human health; the oil is high in calorific value and low in price, all indexes of the oil meet national standards through detection, the oil can replace diesel oil to become new energy of enterprises, the oil is high in flash point, limit 1.9%, high in ignition point, free of open fire, free of fire, safe to use and wide in raw material source, waste is utilized, waste is turned into wealth, ecological resources are protected, and the oil belongs to renewable energy and is worthy of popularization. The method has good economic benefits and social benefits, and has good popularization value.

The invention relates to a water sealing type cover plate device in a coal bearing device of a coal gas producer. The water sealing type cover plate device comprises a water sealing seat, a water sealing cover, a suspension arm, a suspension arm shaft and an uncovering seat, wherein a base plate of the water sealing seat is fixed on the outer wall of a coal bearing hopper, and a circular opening chamber is formed between the circular side wall of the water sealing seat and the outer wall of the coal bearing hopper and is filled with water; the water sealing cover is cylindrical with an openedend and a sealed end, and the radial size of the water sealing cover is less than that of the water sealing seat; and the uncovering seat is welded on the side wall of the water sealing seat, one endof the suspension arm is articulated on the uncovering seat through a suspension arm shaft, the water sealing cover is welded on the suspension arm, when the cover plate device is closed, the edge ofthe opened end of the water sealing cover is downwards immersed in water of the water sealing seat. The water sealing type cover plate device has ingenious and reasonable structure, has good sealing performance and can absorb harmful ingredients in coal gas by adopting water sealing type; and the water sealing type cover plate device can prevent the coal gas in the coal bearing hopper from leaking, reduces environmental pollution and ensures operating personnel not to be damaged.

The invention discloses an X-ray contraband package detection method and device based on feature map re-empowerment, and the method comprises the steps: building an X-ray contraband training set, sequentially obtaining an image feature map, a region-of-interest feature map and a class attention feature map, carrying out the re-empowerment of the region-of-interest feature map through the class attention feature map, and obtaining a single-dimensional feature vector; determining prediction categories of various contraband products, adjusting a feature extraction network, a meta-feature extractor and a classification regression network adopted in the next training process, and returning to execute the process of sequentially acquiring an image feature map, a region-of-interest feature map and a class attention feature map; and inputting the X-ray contraband training set into the adjusted feature extraction network again for iterative training until the number of training times is greaterthan or equal to a preset number of iterations, determining a contraband detector, and inputting the to-be-detected package into the contraband detector to obtain a contraband position and a contraband category output by the contraband detector, thereby achieving the effects of saving manpower and material resources and reducing the detection cost.

The invention relates to the technical field of packaging of camera modules, in particular to a camera module UV curing system based on a rotary disc. The camera module UV curing system comprises an acquisition module, a vertical module, a horizontal module and a control module, wherein the acquisition module is used for acquiring a real-time temperature value of a UV adhesive and sending the real-time temperature value of the UV adhesive; the vertical module is used for irradiating the UV adhesive from the vertical direction through a first UV light source; the horizontal module is used for irradiating the UV adhesive from the horizontal direction through a second UV light source; and the control module is used for receiving the real-time temperature value of the UV adhesive and controlling the first UV light source and the second UV light source to irradiate the UV adhesive in real time according to a preset rule and the real-time temperature value of the UV adhesive, so that the temperature of the UV adhesive does not exceed a preset temperature threshold value. According to the camera module UV curing system, the real-time temperature of the UV adhesive is fed back, and the irradiation mode is adjusted according to the preset rule, so that the technical problem of camera material denaturation caused by too high camera temperature is solved.

The invention relates to a chair suitable for afternoon nap of student, which is composed of a panel, a head holder, a head backrest, a support, a transverse support and trays. The panel and the backrest form the chair with four legs, the head holder is connected to the upper end of the backrest, a support is connected to the lower end of the head holder, the support passes through the upper end of the backrest and the transverse support at intermediate part, a screw is arranged at intermediate of the back side f the transverse support for supporting the support. The trays are arranged on two ends of the head holder, the head holder is in an arc shape, a cushion is provided in the inner surface of the arc, the tray is capable of rotating with 90 DEG up and down. The head holder is capable of upwardly moving and adjusting the position. When the student takes an afternoon nap, the head holder position is adjusted, the tray is placed, so that comfortable afternoon nap can be realized.

The invention provides an aqueous filler for woodware, which comprises the following components in portion by weight: 8 to 15 portions of water borne resin, 20 to 30 portions of water, 10 to 20 portions of filler A, 40 to 50 portions of filler B and 0 to 15 portions of pigment. The water borne resin is water-reducible alkyd resin latex; the filler A is 108 to 220 mesh quartz powder; and the filler B is 400 to 150 mesh mica powder. The aqueous filler for woodware of the invention contains no arene or alcohol ether and ether ester solution, avoids harm to the health of operators, uses water as a solvent and does not belong to dangerous chemicals. Therefore, the aqueous filler is safe and reliable in production, transportation and use.

The invention discloses an X-ray contraband package detection method and device based on feature map re-weighting. By constructing an X-ray contraband training set, an image feature map, a region of interest feature map and a class attention feature map are sequentially obtained, and the The class attention feature map re-weights the feature map of the region of interest, obtains a single-dimensional feature vector, determines the predicted categories of various types of contraband, and adjusts the feature extraction network, meta-feature extractor and classification regression used in the next training process. network, return to execute the process of sequentially acquiring the image feature map, the region of interest feature map, and the class attention feature map, and re-input the X-ray contraband training set into the adjusted feature extraction network for iterative training until the number of training times is greater than or equal to the preset The number of iterations is determined, the contraband detector is determined, and the package to be detected is input into the contraband detector to obtain the contraband position and contraband category output by the contraband detector, so as to save manpower and material resources and reduce the detection cost.

The invention relates to a water sealing type cover plate device in a coal bearing device of a coal gas producer. The water sealing type cover plate device comprises a water sealing seat, a water sealing cover, a suspension arm, a suspension arm shaft and an uncovering seat, wherein a base plate of the water sealing seat is fixed on the outer wall of a coal bearing hopper, and a circular opening chamber is formed between the circular side wall of the water sealing seat and the outer wall of the coal bearing hopper and is filled with water; the water sealing cover is cylindrical with an openedend and a sealed end, and the radial size of the water sealing cover is less than that of the water sealing seat; and the uncovering seat is welded on the side wall of the water sealing seat, one endof the suspension arm is articulated on the uncovering seat through a suspension arm shaft, the water sealing cover is welded on the suspension arm, when the cover plate device is closed, the edge ofthe opened end of the water sealing cover is downwards immersed in water of the water sealing seat. The water sealing type cover plate device has ingenious and reasonable structure, has good sealing performance and can absorb harmful ingredients in coal gas by adopting water sealing type; and the water sealing type cover plate device can prevent the coal gas in the coal bearing hopper from leaking, reduces environmental pollution and ensures operating personnel not to be damaged.

The invention belongs to the technical field of road marking, and particularly relates to a water-based EAU thick coating type road marking coating which comprises a component A, a component B and a component C in a mass ratio of 1:(1-3):(6-9). The component A comprises the following components in percentage by mass: 20-25% of a curing agent, 0.05-0.1% of a defoaming agent, 0.05-0.2% of a dispersing agent, 0.05-0.1% of a wetting agent, 40-50% of water-based color paste and the balance of deionized water. The component B comprises the following components in percentage by mass: 100% of water-based EAU emulsion. The component C comprises the following components in percentage by mass: 0.05-0.1% of sodium aluminate, 0.05-0.1% of lithium carbonate, 0.05-0.1% of tartaric acid, 5-10% of white corundum, 5-10% of glass sand, 10-20% of quartz sand, 10-15% of reflective glass balls and the balance of quick drying powder. The water-based EAU thick coating type road marking coating is a three-component system, the water-based EAU emulsion is more environment-friendly, the construction thickness is adjusted through the component C of a quick-drying thick coating powder, the opening time requirement is met through component adjustment, the construction thickness can reach 1-5 mm or above, and the water-based EAU thick coating type road marking coating is high in strength, good in wear resistance, certain in toughness, good in color retention and suitable for road marking.

The invention discloses a crop pesticide residue removing agent. The crop pesticide residue removing agent is prepared from the following raw materials in parts by weight: 20 to 30 parts of water, 8 to 10 parts of potassium hydrogen sulphate, 20 to 25 parts of solvent oil, 9 to 12 parts of titanium dioxide, 3 to 6 parts of zinc oxide, 4 to 6 parts of cadmium sulphide, 3 to 5 parts of tungsten oxide, 2 to 4 parts of tin dioxide, 1 to 3 parts of ferrous oxide, 4 to 6 parts of a pesticide emulsifier, 6 to 8 parts of potassium chromate and 7 to 9 parts of ferric hydroxide. According to the crop pesticide residue removing agent, the titanium dioxide is irradiated by utilizing the characteristics of high surface activity, strong ultraviolet light absorption capacity, excellent weather resistance, chemical corrosion resistance and the like of the titanium dioxide and matching the ultraviolet light in the sunlight; when the titanium dioxide is irradiated by the ultraviolet light, valence electrons jump to a conduction band so that photogenerated electron hole pairs are generated; the generated holes adsorb OH<-> on the surfaces of titanium dioxide particles and are oxidized with H2O to generate OH<-> free radicals, so that not the holes but the OH<-> free radicals directly participate in the photo-catalytic oxidation of organic substances in a pesticide; and therefore, the effect of degrading a pesticide is achieved.

The invention discloses a dust removal device for a printing and duplicating all-in-one machine, and belongs to the technical field of environmental protection. The dust removal device comprises an operating table and a suction dust removal system, wherein the operating table consists of an operating surface and supporting legs arranged around the operating surface; the operating surface consistsof a placing part, a covering edge surrounding the placing part and a gap formed by a wind wall located between the placing part and the covering edge; the suction dust removal system consists of a fan, a pipeline connected with the fan and a dust suction hood communicating with the pipeline; the upper end surface of the dust suction hood is connected to the bottom of the operating surface; the contour of the upper end surface of the dust suction hood is matched with the contour of the covering edge of the operating surface; and the inner diameter of the dust suction hood is gradually reducedfrom top to bottom. The dust removal device can remove flying dust generated by removal of the all-in-one machine, is simple in structure and good in dust removal effect, can keep a good operating environment and also can guarantee no harm to the health of an operator.

The invention discloses a high-performance environment-friendly type water-based intaglio plate cleaning solution and a preparation method thereof. The high-performance environment-friendly type water-based intaglio plate cleaning solution comprises the following components in parts by weight: 6-10 parts of a non-ionic surfactant, 3-6 parts of an anionic surfactant, 1-3 parts of a solubilizer, 2-6 parts of a detergent auxiliary, 0.3-0.7 part of an antifoaming agent, 0.3-0.6 part of versene and 60-90 parts of water. The preparation method comprises the following steps: firstly dissolving the detergent auxiliary with water, adding the anionic surfactant and an appropriate amount of water, and stirring for dissolving the detergent auxiliary and the anionic surfactant; then dissolving the non-ionic surfactant with the solubilizer; mixing two solutions, adding the remaining water, the versene and the antifoaming agent, and uniformly stirring the solutions, the water, the versene and the antifoaming agent so as to obtain the water-based intaglio plate cleaning solution. The water-based intaglio plate cleaning solution provided by the invention is safe to use, is high in cleaning detergency, and cannot cause harmful effects on patterns of printing plates; besides, the consumption of petroleum resources can be reduced, and the high-performance environment-friendly type water-based intaglio plate cleaning solution and the preparation method thereof have great significance for energy conservation, emission reduction and environment protection.

The invention discloses a benzene-free ketone-free food grade thermoplastic resin and a preparation method thereof. The benzene-free ketone-free food grade thermoplastic resin comprises the following components by weight percent: 38-48wt% of methyl methacrylate, 2.5-3.5wt% of butyl acrylate, 2.5-3.5wt% of butyl methacrylate, 0.5-1.5wt% of methacrylic acid, 0.2-0.4wt% of peroxide-2-ethyl hexyl acrylate and 43.1-56.3wt% of n-propyl acetate. The benzene-free ketone-free food grade thermoplastic resin provided by the invention looks water-white, clear and transparent, can meet the requirements for food hygiene and safety, has no damage to human health and has the characteristics of excellent quick-drying effect, high hardness, excellent alcohol resistance, and the like.

The invention discloses a dust collection device for printing and copying integrated machines, and belongs to the technical field of environmental protection. The dust collection device comprises a semi-closed operation desk, a suction dust removal system and a protective cover. A disassembling operation opening is formed in a side of the operation desk by means of reservation, and legs are arranged on the periphery of the bottom of the operation desk; the suction dust removal system is positioned on the lower portion of the operation desk; the protective cover covers the upper side of the operation desk and is externally connected with vacuum pumps, and negative-pressure suction environments can be formed on the upper side of the operation desk. The dust collection device has the advantages that flying dust generated when the integrated machines are disassembled can be removed by the dust collection device, the dust collection device is simple in structure, and good dust removal effects can be realized by the dust collection device; excellent operation environments can be kept by the aid of the dust collection device, and accordingly the health of operators can be guaranteed against being spoiled.

The invention discloses intelligent quantitative negative-pressure liposuction equipment for medical cosmetology and a using method thereof, and relates to the technical field of liposuction equipment.The intelligent quantitative negative-pressure liposuction equipment for medical cosmetology comprises a shell, a liposuction box is fixedly installed on the inner wall of the shell, and the same second lead screw is rotatably installed on the inner walls of the top and the bottom of the liposuction box; a same first screw rod is rotatably mounted on the inner walls of the top and the bottom of the shell, belt wheels fixedly sleeve the first screw rod and the second screw rod, a same belt is tensioned on the two belt wheels, and moving blocks sleeve the first screw rod and the second screw rod in a threaded manner; and a fixed shaft is fixedly mounted on the side wall of the moving block on the second screw rod. The negative pressure liposuction device is reasonable in structure, can quantitatively suck fat and can more accurately control the liposuction amount, health of people cannot be damaged after liposuction, and the good beautifying and slimming effects can be achieved.