455results about How to "Reduce health hazards" patented technology

A cleaning and disinfecting system for the cleaning and disinfecting of footwear or feet. The system provides for cleaning and disinfecting the bottom of the feet or footwear. An optional brush on a wand provides cleaning to upper foot areas as required. The system is automatically activated only when a person stands on the device, thereby minimizing the volume of fluid required to perform the process. Optionally, a venturi component allows the addition of a cleaning or disinfecting fluid with the cleaning solution or water. When the system is attached to a hot water line and fitted with heating elements, it can be used to remove snow from shoes and boots.

Flexographic printing plates and other relief images can be formed from a laser-ablatable element having a laser-ablatable layer that is at least 20 μm in thickness. The laser-ablatable layer includes a film-forming material that is a laser-laser-ablatable material or the film-forming material has dispersed therein a laser-ablatable material. The laser-ablatable material is a polymeric material that when heated to 300° C. at a rate of 10° C. / minute, loses at least 60% of its mass to form at least one predominant low molecular weight product. The element can be imaged by ablation at an energy of at least 1 J / cm2 to provide a relief image.

An endoscopically placed gastric balloon (EPGB) includes a gastric balloon. The EPGB is insertable in a patient and anchored in position between the lock and a portal. A port section enables the gastric balloon to be filled with mass containing a liquid medium during treatment, resulting in a patient receiving a true satiated neurogastric full feeling eliminating cravings and hunger feelings. The EPGB device allows for the balloon to be easily deflated or reduced and for a gastric suction and lavage to be accomplished without patient discomfort, while the device is in place and easily concealed from others during use. A method of using the EPGB enables a clinical treatment of a morbidly obese patient with greatly reduced health risks and neuro-psychiatric complications.

A process for crosslinking polymers employs a silane crosslinker which, upon hydrolysis, produces a reduced quantity of volatile organic compound.

The invention discloses a colored solar heat reflection and heat-insulation coating. The coating is prepared from the following raw materials: polymer emulsion, titanium dioxide, functional fillers, an infrared reflection pigment, kaolin, ground calcium carbonate, a dispersing agent, a wetting agent, a defoaming agent, a thickening agent, a film-forming additive, a preservative, and water. The colored solar heat reflection and heat-insulation coating provided by the invention has the advantages that a coating film with a high reflectivity is prepared through adoption of the components, addition of the functional fillers (glass microbeads, ceramic microbeads and floating beads) which are large in refraction coefficient and high in scattering capability and reflectivity, as well as the pigment which is large in infrared reflection ratio, and application of film-forming matters and the film-forming additive, so that the coating achieves good heat-insulation performance, multiple selectable colors, excellent elasticity, high stain resistance, as well as large solar and near-infrared reflection ratios.

The invention discloses a warm-mix asphalt mixture and a method for preparing the same. The warm-mix asphalt mixture comprises the following compositions by weight percent: 90 to 96 percent of mineral aggregate, 2 to 5 percent of asphalt and 2 to 5 percent of warm-mix asphalt modifying agent. The method comprises the following steps of: adding the mineral aggregate which is heated up to a temperature of between 140 and 155 DEG C into a mixing cylinder; adding heat asphalt with a temperature between 130 and 140 DEG C according to a proportion to stir for 20 to 30 seconds; and adding the warm-mix asphalt modifying agent to stir for 20 to 30 seconds to acquire the warm-mix asphalt mixture. The warm-mix asphalt mixture can be used for paving a high-grade pavement, has the characteristics of excellent pavement performance, simple technology, low requirement of manufacturing equipment, convenient use, popularization facilitation, greatly saved construction cost, great economic benefit and social benefit, green ecology and sustainable development accordance.

The principals and methods described in our application—provide essential tools for designing a convenient, safe, cost efficient power distribution and control system, which could become industry-standard method, benefiting: providers, users and service personnel of the system.The outlined principals, methods could effectively and efficiently support development and installation of power distribution systems for variety of projects, including: residential, commercial and industrial. In addition, the proposed methods could be used in the designs of power distribution to and within variety of electro-mechanical devices or machines.Designs based on proposed technology will outperform the existing methods in terms of its: superior reliability, safety, quality and costs.Proposed technology will help to transform the existing labor-intense installations into practically plug-n-play type of installations. For any given project, a pre-designed fabrication kit, containing newly developed, agency approved sub-assemblies and support components, as specified in our application, could be made available and delivered directly to the installation site. Kit containing a section of or an entire system could be pre-tested at the factory.The proposed technology could significantly lower the labor costs, while improving labor safety, quality and repeatability. Labor intense operations: wire crimping, outlet / switch hook-ups, etc.—could be practically eliminated during installation.Power distribution systems designed by proposed methods will offer better quality, installation and utilization safety, and lower costs. In addition, utilization of shielded cables and shielding of other components within a system, could significantly lower electrical power emissions, which could benefit the environment, and ease requirements on other technologies.

Flexographic printing plates and other relief images can be formed from a laser-ablatable element having a laser-ablatable layer that is at least 20 μm in thickness. The laser-ablatable layer includes a film-forming material that is a laser-laser-ablatable material or the film-forming material has dispersed therein a laser-ablatable material. The laser-ablatable material is a polymeric material that when heated to 300° C. at a rate of 10° C. / minute, loses at least 60% of its mass to form at least one predominant low molecular weight product. The element can be imaged by ablation at an energy of at least 1 J / cm2 to provide a relief image.

The invention discloses a warm-mixed recycled asphalt mixture. The warm-mixed recycled asphalt mixture comprises a waste asphalt mixture, asphalt, new aggregates, mineral powder, a regenerant and a warm-mixed agent; the warm-mixed agent is inorganic aluminosilicate with moisture content of 18-23%; and through taking the weight part of the asphalt as one part, the mixture comprises 3-8 parts of waste asphalt mixture, 5-28 parts of new aggregates, 0.3-1 part of mineral powder, 0.006-0.05 part of regenerant and 0.06-0.12 part of warm-mixed agent. Meanwhile, the invention also discloses a preparation method of the warm-mixed recycled asphalt mixture; and in the method, the adding sequence, control temperature and mixing time of each material are described. The warm-mixed recycled asphalt mixture disclosed by the invention fully uses waste asphalt and aggregated rocks, effectively reduces the mixing temperature of recycled asphalt, greatly reduces the emission of poisonous gases such as 'asphalt smoke' and the like, reduces the damages on the environment and the health hazards on the construction personnel, and facilitates the stored production.

A cover slip material and a method of making and using the same are provided. The material comprises (a) a light transmissible polymeric backing having first and second surfaces; (b) a tack free bonding layer disposed on the first surface of the backing, the bonding layer comprising polymers selected from the group consisting of acrylate, methacrylate, and combinations thereof; and (c) a protective coating disposed on the second surface of the backing. Upon exposure to an environmentally friendly activating solvent such as terpene, d-limonene, esters of coconut oil and aliphatic hydrocarbon blends, the bonding layer acquires tacky properties causing the cover slip to adhere to a specimen previously mounted on a microscope slide.

The invention relates to a method for quickly determining gold, palladium, platinum, rhodium, iridium, silver, nickel, copper and iron in a rare and precious metal system. According to the detection principle of an inductively-coupled plasma-atomic emission spectrometry, the method comprises experimental conditions, sample treatment, working curve plotting, interference and elimination, detectionlimits and accuracy, wherein the experimental conditions comprise instrument selection, selection of analytical spectral lines, and determination of acidity of a system to be measured; the sample treatment comprises treatment and measurement of a test sample; the working curve plotting comprises preparation of a series of standard solutions, working curve plotting and calculation of analytical results; whether a spectral line of a coexistence element exists adjacent to the analytical spectral line of an element to be tested or not through the investigation and analysis of coexistence elementinterference is performed; determination is continuously performed for 11 times by using a blank solution excluding the element to be tested to obtain the detection limits and lower determination limits of the method; a precision experiment is conducted by repeatedly determining a sample for 11 times, and a standard recovery experiment of the sample is performed; and finally, compared with results obtained through the original determination method, the reliability of determined results of the method provided by the invention is further confirmed.

The invention discloses a laser electrolytic aluminum coating composition and a preparation method thereof. The laser electrolytic aluminum coating comprises the following components by weight percent: 13-28% of acrylic resin, 2-7% of nitrocellulose resin, 0-5% of styrene maleic anhydride resin, 0-4% of aldehyde ketone resin, 0-1% of auxiliary agent and 65-80% of solvent. The preparation method comprises the steps of: putting the solvent into a reaction kettle, and heating to 40-70 DEG C when stirring; putting the nitrocellulose resin into the reaction kettle, and stirring; sequentially putting the rest resins into the reaction kettle, and further stirring; after all the resins which are put into the reaction kettle are completely dissolved, putting the auxiliary agent into the reaction kettle, and cooling after dispersing to obtain the laser electrolytic aluminum coating. Compared with the prior art, the laser electrolytic aluminum coating disclosed by the invention is environment-friendly, low in cost, good in application adaptability and excellent in performance.

The invention relates to the technical field of traffic engineering, in particular to a pavement structure directly paved on a cement concrete bridge deck and a pavement method thereof. The pavement structure for the cement concrete bridge deck comprises a waterproof bonding layer, a stress absorption layer and a road surface layer, which are sequentially paved on the cement concrete bridge deck from bottom to top, wherein the waterproof bonding layer comprises a basalt gravel layer bonded on the cement concrete bridge deck through epoxy resin and a reactive waterproof binding agent layer coated on the basalt gravel layer. The invention also discloses a pavement method for the pavement structure. The pavement structure and the pavement method thereof enhance the bonding and shearing action between a pavement layer and a cement concrete slab, improve the using effect and service life of the pavement layer, reduce the temperature of mixing, transporting and paving, save energy and reduce environmental pollution; and the total thickness of the bridge deck pavement system is only 30 to 40 mm, so that the dead load of the bridge deck is greatly reduced, the pavement materials are saved and the construction cost is reduced.

The invention provides a method for keeping fruits fresh through atmospheric pressure low temperature plasma activated water. The method comprises the following main steps: (1) pretreating fresh fruits; (2) preparing the atmospheric pressure low temperature plasma activated water; (3) treating the fruits by soaking the fruits in the atmospheric pressure low temperature plasma activated water; and (4) preserving the treated fruits at normal temperature. The plasma activated water is prepared through the following steps: pouring atmospheric pressure low temperature plasma into a hydrogen peroxide aqueous solution of which the mass concentration is 0.1%-3%, and enabling the atmospheric pressure low temperature plasma and the hydrogen peroxide aqueous solution to act for 10-30min so as to obtain activate fluid which is rich in hydroxy radicals. According to the method disclosed by the invention, the growth of bacteria on the surfaces of the fruits can be effectively restrained, the situation that the fruits are decomposed and deteriorated is reduced to a large extent, besides, the quality and the flavor of the fruits are not influenced, and the shelf time of the fruits under normal temperature conditions can be obviously prolonged. The method is simple in technology, easy to operate, low in cost, safe and free from toxic residues, conforms to the development trend of environmentally-friendly foods, and has enormous market application prospects.

The invention discloses a water quality improvement agent for aquaculture and a preparation method thereof. The water quality improvement agent is prepared from the following raw materials in percentage by weight: 5 percent to 10 percent of lactobacillus, 5 percent to 10 percent of photosynthetic bacteria, 5 percent to 10 percent of bacillus, 5 percent to 10 percent of brown sugar, 10 percent to 20 percent of activated carbon, 25 percent to 35 percent of zeolite powder, 3 percent to 5 percent of citric acid, 2 percent to 5 percent of sodium bicarbonate and 10 percent to 15 percent of calcium peroxide. According to the water quality improvement agent disclosed by the invention, organic matters in a water body of water for the aquaculture can be reduced, and the content of ammonia-nitrogen and nitrite is greatly reduced; the chemical oxygen consumption of pond bottom sludge is improved and oxygen debt of the pond bottom is alleviated; growth and proliferation of beneficial microorganismsand decomposition of organic pollutants are accelerated and the circulation of pond substances is accelerated; the proliferation of beneficial algae in a pond is accelerated so that the pond dissolved oxygen is increased; a culture water region environment is improved, healthy growth of aquatic animals is promoted, the feed coefficient is reduced and the economic benefits are increased.

The invention discloses a warm mixing shape memory alloy (SMA) asphalt mixture. The warm mixing SMA asphalt mixture comprises styrene-butadiene-styrene (SBS) modified asphalt, aggregate, fiber, mineral powder and warm mixing agent, wherein the warm mixing agent is inorganic silico-aluminate of which the water content is 18 to 23 percent; based on 1 weight part of SBS modified asphalt, the mixture contains 10 to 18 parts of aggregate, 0.01 to 0.08 part of fiber, 0.5 to 1.5 parts of mineral powder and 0.02 to 0.08 part of warm mixing agent; and the invention discloses a preparation method for the warm mixing SMA asphalt mixture, and adding sequence, control temperature and mixing time of the materials are described in the method. According to the warm mixing SMA asphalt mixture, the mixing temperature of the SMA asphalt is effectively reduced, the problem that the SMA asphalt mixture is difficult to compact is solved, emission of toxic gases such as 'asphalt fume' is reduced to a great extent, damage to the environment and harm to health of constructors are reduced, and storage type production is facilitated.

The invention discloses improved high-temperature resistant paint. The improved high-temperature resistant paint comprises solvent, organic silicon resin and / or modified organic silicon resin and high-temperature filler which is superfine slag powder. The high-temperature resistant paint is excellent in high temperature resistance, salt resistance, alkali resistance and salt spray resistance and has larger paint film adhesive force, higher paint film hardness and higher market application value.

The invention discloses a sand blasting machine. The sand blasting machine comprises a basal body, a back plate, a filter hole plate, a drum, a swinging mechanism, a nozzle mechanism, a glove mechanism and a driving mechanism, wherein the basal body has a hollow structure; a front side plate of the basal body is provided with a viewing window; the back plate is arranged at the rear end of the basal body; the filter hole plate with through holes is arranged in the basal body and partitions the basal body into a working region and an abrasive material storage region; the drum of which the wall is provided with through holes is arranged inside the back plate and is positioned in the working region; the driving mechanism is arranged outside the back plate and is connected with the drum; the swinging mechanism is arranged inside the back plate and is positioned above the drum; the nozzle mechanism is movably connected with the swinging mechanism; and the glove mechanism is arranged on the two sides of the basal body and is positioned in the working region. Thus, switching of a manual mode and an automatic mode can be realized, labor intensity of operating personnel and harm to health of the operating personnel are reduced, batch processing of workpieces is realized, efficiency of cleaning the workpieces is greatly improved, safety and stability are high, and quality and yield of the workpieces are further improved.

The invention relates to a metallographical corrosive, a method for eroding copper and a method for displaying a metallographical organization of the copper. The method for displaying the metallographical organization of the copper comprises the following steps of: providing a copper sample; grinding the copper sample; polishing the ground copper sample; and immersing the polished copper sample into the metallographical corrosive, wherein the metallographical corrosive is a mixed solution of water, oxydol and ammonia. The metallographical corrosive prepared from the water, the oxydol and the ammonia has a favorable erosion effect to copper or copper alloy and can ensure that the display effect of the crystal boundary of the metallographical organization of the copper or the copper alloy, especially high-purity copper, is favorable.

The invention discloses a preparation method of a low-temperature coffee-flavored cigarette material of a heated-non-combustible cigarette. The preparation method comprises the following steps: preparing 40-80 parts of coffee grounds, 10-50 parts of wood pulp fibers and 10-15 parts of stuffing in parts by mass; extracting the coffee grounds, and concentrating an extracting solution, so that a coffee ground extract is obtained; mixing and uniformly stirring no more than 5% of the coffee ground extract, 15-50% of an atomizing agent, 0-10% of an adhesive and 0-20% of a perfume in percentage by mass as well as the balance of water, so that coating liquid is obtained; degrading fibers of the extracted coffee grounds or crushing the coffee grounds, mixing the processed coffee ground with the wood milk fibers and the stuffing and making milk, and making a sheet substrate; and coating the coating liquid on the sheet substrate, and implementing drying so as to obtain the low-temperature coffee-flavored cigarette material. The cigarette material prepared by the preparation method provided by the invention reserves a cigarette flavoring material, and the cigarette material is good in taste and is excellent in refreshing and sensory effects; a shortcoming of existing non-tobacco non-combustible cigarettes which are poor in sensory effect is overcome, and the cigarette material, which is free from tar in conventional cigarettes, is quite slight in harm to human body health. The invention also achieves effective utilization of waste coffee grounds; and the low-temperature coffee-flavoredcigarette material is energy-saving and environment-friendly.

The present invention provides a method of using atmospheric-pressure low-temperature plasma activated liquid to preserve fruits. The method can effectively inhibit growth of bacteria on surfaces of the fruits, reduces decay and deterioration to a great extent, at the same time does not affect quality and flavor of the fruits, and can also significantly extend a storage period of the fruits in normal temperature conditions. The method is simple in technology, easy to operate, low in costs, safe, free of toxic residues and in line with a development trend of green food and has a great market application potential.

The invention provides a method for cultivating tobacco rich in anthocyanin and an application thereof. The method comprises the following steps of recombining two confirmed genes, namely MrMYB1 and MrbHLH1 which can be used for regulating and controlling anthocyanin synthesis in red bayberry fruits, establishing an expression plasmid, screening genes capable of regulating and controlling anthocyanin synthesis by using a tobacco leaf transient expression technique, converting genes with confirmed functions into the tobacco, and cultivating tobacco rich in anthocyanin. The invention provides a method for cultivating tobacco rich in anthocyanin, so that health hazard caused by smoking is alleviated; and the method is also applicable to MYB and bHLH genes in other fruits besides red bayberry.

The invention discloses adhesive agent without aldehyde, comprising polyvinyl alcohol, YH- complex builder, complex builder, and BPA cross linking agent. The method comprises the following steps: feeding, adjusting pH, heating, cooling, discharging, and getting product. The invention uses polyisocyanates as curing agent. When use it, mix the host crystal and curing agent, and stir them. The invention has the advantages of non irritant odor, high strength and non formaldehyde. So the invention modifies the environment.

The invention belongs to the veterinary medicine residual analysis and immunity analysis technique field and specifically relates to an enzyme-linked immunity method and the reagent kit thereof which can discern specificity monoclonal antibodies of tylosin and tilmicosin and detect the residuals of tylosin and tilmicosin at the same time; the monoclonal antibodies in the invention is secreted from hybridoma cell strain P3C4 established by the applicant; the hybridoma cell strain is preserved in China Center of Type Culture Collection; the number of preservation of the hybridoma cell strain is CCTCC No: C200719; the invention discloses the preparation method and enzyme-linked immunity detection method of the monoclonal antibody, coating antigen and immunogen. Compared with the prior art, the monoclonal antibody prepared in the invention can discern tylosin and tilmicosin at the same time and add the detecting object in the prior art. The reagent kit and the method in the invention has the advantages of simple, convenience, swiftness, sensitivity and accuracy; furthermore, the reagent kit and method in the invention can detect the residuals of tylosin and tilmicosin in an animal edibility tissue at the same time.

A low-harm filter-tipped cigarette, comprising a filter tip and a cigarette, the filter tip consisting of a filter stick and a filter having at least one fume condensation / oxidation cavity, the filter being equipped between the filter stick and the cigarette; a head section of the lighting end of the cigarette not being equipped with cut tobacco beam and presenting a cavity shape, or the cavity being inlaid or bonded with a flammable bulkhead for support and beautification, and the flammable bulkhead being able to be equipped with spiceries or medicaments beneficial to health. The prevention provides a technical proposal of low-harm filter-tipped cigarette from the two aspects of reducing the length of the cut tobacco beam properly and improving the filtering effect of the filter tip on harmful substances.

The invention discloses an insulation impregnating varnish of epoxy and small solvent for grade B, F general use and a preparation method thereof, which comprises bisphenol A epoxy resin, bismaleimide tung oil anhydride, tert butyl phenolic resin 2402, acetylacetone chromium promoter, industry alcohol and dimethyl carbonate; the preparation method comprises the steps: (1) 15 to 25 portions of industry alcohol, 5 to 15 portions of dimethyl carbonate, 5 to 15 portions of tert butyl phenolic resin 2402 and 0.1 to 0.5 portion of acetylacetone chromium promoter are added into a reactor and stirred; the temperature in the reactor is enhanced to 70 DEG C under the stirring effect, and the stirring is continued until the tert butyl phenolic resin 2402 completely is dissolved; (2) the obtained solution is added with 30 to 40 portions of the bismaleimide tung oil anhydride and 20 to 30 portions of bisphenol A epoxy resin to be stirred for 1 hour at 60 DEG C, being sampled; The sampled paint liquid is even and transparent, is then cooled to room temperature so as to get the insulation impregnating varnish of epoxy and small solvent for grade B, F general use. The invention has high solid content, large paint hanging amount; once impregnating varnish and baking can meet the requirement for insulation treatment, saving energy and reducing production cost.

Invention describes apparatus providing plug-and-power distribution of power and communications for: residential, commercial, industrial applications, and for electro-mechanical devices and computer systems. Invention transforms existing labor-intense installations into plug-and-power modular systems. For specific project, pre-designed, pre-fabricated kits, including factory assembled and tested: power and control modules, interface cables, will be delivered directly to the installation site. Labor intense operations, including: wire stripping, wire crimping are replaced with plug-and-power components. Apparatus has no exposed hot leads accessible by bare hands, including service personnel. Invention will: significantly lower labor costs, reduce installation time, improve power distribution safety, reliability, utilization efficiency, and quality. Application of shielded cables and shielding of other components within the apparatus, will significantly lower electrical power emissions, benefiting the environment for all—the end users and other technologies. Invention describes plug-and-power DC power distribution replacing existing AC power distribution, further improving safety and efficiency.

The invention discloses a polycarboxylate superplasticizer with a mud preventing effect. The structural general formula of the polycarboxylate superplasticizer is as shown in the description, wherein R1 is H or CH3, R2 is H or COOM, R3 is an alkyl of C1 to C3, and M is H, Na, K or NH4. The invention also provides a preparation method of the polycarboxylate superplasticizer with the mud preventing effect. The superplasticizer synthesized by use of the process is applied to concrete within the aggregate mud content range of 0-8%, and a good application effect can be obtained through direct use without physical compounding.