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.

A method and apparatus for applying gum to shoe pad features that the sheet used to make shoe pad is passed through a gap between a gum applying roller and a pressing roller for applying the gum to it in the dots mode, resulting high air permeability.

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 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 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 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 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.