229 results about "Ozone layer" patented technology

To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (capacity).A working medium for heat cycle comprising 1,1,2-trifluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).

Image analysis techniques may be employed to identify moving and / or static object within a sequence of spatial data frames (102, 300). Attributes of interest may be identified within a sequence of spatial data frames (102, 300). The attributes of interest may be clustered and examined across frames of the spatial data to detect motion vectors. A system (200) may derive information about these attributes of interest and their motion over time and identify moving and / or static objects, and the moving and / or static objects may be used to generate natural language messages describing the motion of the attributes of interest. Example uses include description of moving and / or static objects in data such as weather data, oil spills, cellular growth (e.g., tumor progression), atmospheric conditions (e.g., the size of a hole in the ozone layer), or any other implementation where it may be desirable to detect motion vectors in a sequence of spatial data frames.

Disclosed is a refrigerator oil composition containing a base oil (A) composed of a polyvinyl ether, an organic sulfur compound (B) having a sulfur content of not more than 35% by mass and a refrigerant (C), in which a total sulfur content is 0.01 to 0.1% by mass with respect to a total amount of the components (A) and (B). Such the novel refrigerator oil composition does not cause environmental problems such as ozone layer destruction and global warming, and can retain the lubrication properties for a long period of time, while preventing a capillary in a refrigeration cycle from clogging.

To provide a working fluid for heat cycle, which has less influence over the ozone layer and has less influence over global warming, and which has favorable cycle performance.A working fluid for heat cycle, which contains trifluoroethylene and difluoroethylene, in a proportion of the difluoroethylene of less than 1.5 mass % based on the working fluid.

To provide a working fluid for heat cycle, which has less influence over the ozone layer and has less influence over global warming, and which has favorable cycle performance. A working fluid for heat cycle, which contains trifluoroethylene and difluoroethylene, wherein the proportion of the content of difluoroethylene is less than 1.5 mass % based on the working fluid.

To provide a working medium for heat cycle, of which combustibility is suppressed, which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity).A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).

Provided is a working medium that is for a thermal cycle, has favorable cycling performance, and has a low effect on global warming and a low effect on the ozone layer. The working medium for a thermal cycle contains trifluoroethylene and difluoroethyelene, and the fraction of the difluoroethylene content with respect to the working medium is less than 1.5 mass%.

To provide a composition for a heat cycle system having less influence over the ozone layer, having a low global warming potential and having excellent durability, and a heat cycle system.A composition for a heat cycle system comprising a working fluid containing trifluoroethylene and difluoromethane, and a lubricating oil, wherein the interaction distance (Ra1123) between trifluoroethylene and the lubricating oil as determined from the Hansen solubility parameters is shorter than the interaction distance (Ra32) between difluoromethane and the lubricating oil.

To provide a composition for a heat cycle system having less influence over the ozone layer, having a low global warming potential and having excellent stability and durability, and a heat cycle system.A composition for a heat cycle system, which comprises a working fluid containing trifluoroethylene and difluoromethane, and a phosphoric acid ester, wherein the interaction distance (Ra) between the working fluid and the phosphoric acid ester as determined from the Hansen solubility parameters is at most 15.

The invention belongs to the field of chemical synthesis, and in particular relates to an environment-friendly flame-retardant polyurethane wood-imitation material, which is characterized by comprising a component A and a component B, wherein the component A consists of polyether polyalcohol, a foam stabilizer, a catalyst, a foaming agent and a flame retardant; and the component B is polymethylene polyphenyl polyisocyanate. A method for preparing the environment-friendly flame-retardant polyurethane wood-imitation material comprises the following steps of: mixing and stirring the component A and the component B, injecting the components into a constant-temperature die at the temperature of between 40 and 50 DEG C, reacting and curing for 10 to 13 minutes to obtain the environment-friendly flame-retardant polyurethane wood-imitation material. The invention has the advantages that due to the adoption of the reaction type catalyst, the generation of volatile gas is prevented, and the harm to the health of human bodies is reduced greatly; water is used as the single foaming agent instead of the conventional hydrochlorofluorocarbon (HCFC)-141B foaming agent, so that the consumption of an ozone layer is reduced effectively; and demolding can be performed after 10 to 13 minutes during production, so that the production efficiency is improved greatly.

The invention discloses a cleaning fluid to remove surface particle of the semiconductor material and cleaning method, which comprises the following parts: 22 %-40% organic base, 3%-15% surface activator and 45%-75% pure water. The cleaning method comprises the following steps: (1)cleaning through the cleaning fluid; (2)using deionized water ultrasound; (3)using deionized water ultrasound; (4)spraying; (5)drying. The invention improves the uniform corrosiveness of the cleaning fluid to ensure the consistency, which protects environment due to adopting the material without damaging the ozone layer.

The invention relates to the field of the communication equipment electrified cleaning agent, in particular to an antistatic environment-friendly communication equipment electrified cleaning agent. The electrified cleaning agent is prepared by mixing the following components by weight: 50-65 parts of dipropylene glycol, 10-20 parts of hexamethylsiloxane or prestoxmethylsiloxane, 2-10 parts of methylsilicone oil, 10-20 parts of SMD-40 solvent oil and 0.01-1 part of an antistatic agent. The communication equipment electrified cleaning agent disclosed by the invention takes the dipropylene glycol as main raw material, other chemical reagents with strong cleaning capability are reasonably cooperated with the main raw material, so that the antistatic environment-friendly communication equipment electrified cleaning agent has good cleaning effect on pollutants on the surface of communication equipment, has the advantages of strong compatibility, no corrosion on materials, such as plastics, paints, metals and the like, high network voltage and volume resistivity, and the function of the communication equipment is free from influence. The antistatic agent used in the antistatic environmental-friendly communication equipment electrified cleaning agent is characterized in that one layer of antistatic membrane is formed on the surface of cleaned equipment to effectively enhance the anti-fouling capability of the equipment. The antistatic environment-friendly communication equipment electrified cleaning agent does not contain substance capable of damaging the ozone layer, is free from halogen and does not have bad influence on the environment.

The invention discloses a lawn bed structure of an athletic sports lawn, belonging to the technical field of construction of lawn places. The lawn bed structure comprises bedding surfaces which are arranged from top to bottom and include lawn plants, a rooting zone layer, a non-woven fabric, water storage and drainage plate, a drain pipe and an original soil layer, wherein the water storage and drainage plate and the non-woven fabric are bonded into a whole, a complete entire sports ground is formed after laying, and soil in the rooting zone layer is directly laid on the non-woven fabric, so that the phenomenon of the surface unevenness of the sports ground, caused by soil leakage of the rooting zone layer, is avoided; the requirement on the use of sand in the rooting zone layer is low, and high-quality sand supplied in the general market can be directly taken as the soil for the rooting zone layer; the water storage and drainage plate has drainage and water storage functions, so that the water and fertilizer holding capabilities of the lawn bed of the athletic sports lawn can be enhanced, and the irrigation and the dosage of a fertilizer during the curing of the athletic sports lawn are reduced; and the lawn bed structure is convenient to build, and has low cost and a short construction period.

The invention provides a cleaner for the surface of an electronic instrument panel, comprising solubilizer, surface active agent, pH value regulator, antifoaming agent and deionized water; the weight percentage of all the components is as follows: 3 percent to 10 percent of the solubilizer, 3 percent to 12 percent of the surface active agent, 2 percent to 8 percent of the pH value regulator, 2 percent to 8 percent of the antifoaming agent and the rest is the deionized water; the cleaner is water soluble liquid and the pH value thereof is 11 to 12; the cleaner is applicable to the cleaning technique of the surface of the electronic instrument panel, can effectively remove the pollutants including rosin, soldering tin, oil stain, finger prints and solid particles and the like stained on the surface of the electronic instrument panel, has good permeability and thorough cleaning, is not easy to generate residue, has little corrosion, safe and reliable use and no damage to the ozone layer, meets the requirements of environment protection and has reasonable formulation design, simple preparation technique and low cost.

The invention relates to low-density and low-heat-conduction-rate polyurethane foam and a preparation method thereof. The polyurethane foam is prepared from the following raw materials in parts by weight: 100 parts of a polyatomic alcohol composition, 1 to 30 parts of a low-gas-phase heat conductivity coefficient foaming agent, 0.5 to 6 parts of HFC-134a, 5 to 20 parts of pentane, 0.5 to 3.0 parts of water, 1.0 to 3.5 parts of a catalyst and 1.0 to 4.0 parts of a foam stabilizer, wherein the ratio of the use amount of organic polyisocyanate to the total mass of the raw materials is 1.15 to 1.35. The polyurethane foam prepared by the method has a low GWP value; when the polyurethane foam is used, gas which damages an ozone layer is not released; the molding density of the foam is low and is reduced by 19 percent or more when being compared with that of a common cyclopentane system; the polyurethane foam is good in dimensional stability and low in heat conduction coefficient; the total weight of a product can be reduced and the comprehensive cost is low; the polyurethane foam has extremely good economic benefits in a heat preservation industry of high-end products.

The invention provides a cleaner of an electronic instrument, comprising phosphate, surface active agent, antistatic agent, pH value regulator and deionized water; the weight percentage of all the components is: 3 percent to 12 percent of the phosphate, 3 percent to 12 percent of the surface active agent, 3 percent to 8 percent of the antistatic agent, 2 percent to 8 percent of the pH value regulator and the rest is the deionized water; the pH value of the mixing liquid is 11 to 12; the cleaner is applicable to the cleaning technique of a circuit board and parts of the electronic instrument, can effectively remove organics and dusts and the like stuck in the long time operation of the electronic instrument, can eliminate static, has low corrosion and safe and reliable use, does not damage the ozone layer, conforms to the requirements of environmental protection, etc. and has reasonable formulation design, simple preparation technique and low cost; and the cleaned waste liquid is convenient to be treated and discharged.

The invention is David Stauffer's river bottom siphon and hydroelectricity generator for a pollution-free hydroelectric energy generator using a submerged river pipeline and gravity for the delivery of fresh river-water for agriculture and drinking through a fabricated ecosystem to ease the problems of global warming, rising ocean levels, flooding, drought, pollution, depletion of the ozone layer, the blockage of fish migration by dams, and loss of rain forests, grazing land, and agricultural land through a system of large river-bottom pipelines to transfer the abundant supply of fresh water on the bottoms of the Columbia and Mississippi Rivers and, eventually, the Nile, Tigris, Rhine, Yellow, and all other rivers throughout the world to lands in need of fresh water (no really, I'm not joking) invention.

The invention relates to a method for breeding penaeus vannamei boone by using ozone water. Water inside a breeding pond is introduced from a natural sea area; after being subjected to sedimentation in the pond, dark sedimentation, treatment by a sand filtering tank and treatment by an ozone machine, the water is introduced into the breeding pond; during the period of breeding, the content of ozone in the water inside the breeding pond is regularly detected so as to be maintained 0.2-0.5ml / L. According to the method, the body immunity of the penaeus vannamei boone can be improved, and the possibility of disease outbreak to the penaeus vannamei boone is decreased; the growth speed of the penaeus vannamei boone is guaranteed, so that the economic benefits of farmers are protected; ozone is used as a sterilizing and harm-elimination substance safely, reliably and efficiently; oxygen atoms with a strong oxidizing performance, decomposed from the ozone, can reach a disinfecting purpose; moreover, the other product, i.e. oxygen, decomposed from the ozone, not only is safe without causing pollution to the water, but also can increase the concentration of dissolved oxygen in the water, thus being beneficial to growing and surviving the penaeus vannamei boone.

This invention provides a medium high temperature heat pump which belongs to refrigeration, air conditioning and heat pump system. This neotype medium high temperature heat pump composed by three compounds, and they are difluoromethane(R32), dimethyl ether(DME), 1,1,1,2-tetra fluoro ethane(R134a), and its weight percentage content is that R32 15-45%, DME 10-35%, R134a 35-65%. Either base operation condition or alternated working condition, the heat engineering and circulation performance of this invention is similar to monochlorodifluoromethane(R22). Compared with R407C the replacement of R22, the invention is more environmental protective, and its ozone layer destroy potency(ODF) is zero, and its greenhouse effect greenhouse effect (GWP) is more lower, and its medium high temperature alternated working condition is better, and its slippage temperature is lower, and it can also solve many kinds of problems caused by composition migration.

The invention discloses a ceramic cleaning fluid, which comprises the following parts: 0.5%-8% solvent typed ether as component I, 3%-20% organic base as component II, 0.01%-0.5% first surface activator as component III, 1%-8% second surface activator as component IC and 63.5%-94.9% deionized water as solvent as component V. The invention is characterized by the following: 1. displaying oblivious cleaning effect for ceramics; 2. overcoming the defect of ozone layer by traditional ceramic abluent; 3. making the pH value of ceramic abluent within alkaline scale without corroding for equipment; 4. using safely; 5. saving cost obviously; 6. fitting for cleaning kinds of hard surface.

The invention relates to a water-based cleaning solution for cleaning a printed circuit board, which is prepared from the following raw materials: 10-35% of fatty amine, 0.1-5% of alcohol amine compound, 10-35% of alcohol ester compound, 0.1-5% of surfactant, 0.1-5% of corrosion inhibitor and 25-75% of solvent. The cleaning solution is good in cleaning performance, free of damaging an ozone layer, and good in environment friendliness. The preparation method of the cleaning solution comprises the following processing steps: weighting materials of certain formula quantities according to a formula; adding the solvent in a reactor, adding the alcohol amine compound in the reactor and stirring uniformly; adding fatty amine in the reactor and stirring uniformly; adding the alcohol ester compound in the reactor and stirring uniformly; adding the surfactant in the reactor and stirring uniformly; and adding the corrosion inhibitor in the reactor and stirring uniformly to obtain the product. The method is simple in process, easy to operate and high in production efficiency.

Image analysis techniques may be employed to identify moving and / or static object within a sequence of spatial data frames (102, 300). Attributes of interest may be identified within a sequence of spatial data frames (102, 300). The attributes of interest may be clustered and examined across frames of the spatial data to detect motion vectors. A system (200) may derive information about these attributes of interest and their motion over time and identify moving and / or static objects, and the moving and / or static objects may be used to generate natural language messages describing the motion of the attributes of interest. Example uses include description of moving and / or static objects in data such as weather data, oil spills, cellular growth (e.g., tumor progression), atmospheric conditions (e.g., the size of a hole in the ozone layer), or any other implementation where it may be desirable to detect motion vectors in a sequence of spatial data frames.

The object of the present invention is to provide a solvent which is free from the risk of destroying the ozone layer surrounding the Earth, hardly toxic, and free from the risk of causing environment pollution problems by polluting underground water or air. The solvent contains at least one chosen from 1,2,5-thiadiazole compounds represented by formula (1) below: (where R1 and R2 each represent hydrogen or methyl group).

The invention relates to a method for producing normal temperature CFC (Chloro Flouro Carbon)-free neutral phenolic froth-foam, which adopts the following raw materials and comprises the following steps of: (1) preparing phenol, industrial paraformaldehyde, oxalic acid, hydrochloric acid and water; (2) performing a heat preservation reaction; (3) preparing phenol, industrial paraformaldehyde, sodium hydroxide, urea and water; (4) adding the raw materials in the step (3) into a reaction kettle to heat; (5) dehydrating; (6) adding the raw materials in the step (2) into a stirring tank; (7) adding the raw materials in the step (5) into the stirring tank; and (8) adding a curing agent and pouring the mixture into a die to carry out normal temperature foaming to obtain the product. In the method, a CFC-free foaming agent is adopted, so that the ozone layer cannot be damaged; and the acidity-alkalinity of a foam body is neutral, so the product has no corrosivity and has better anti-breakingcapacity, longer service life and wider application range.

A composition for a heat cycle system having less influence over the ozone layer, a low global warming potential, and excellent stability and durability is provided. A heat cycle system using the composition is also provided. The composition contains a working fluid and a phosphoric acid ester. The working fluid contains trifluoroethylene and difluoromethane. An interaction distance (Ra) between the working fluid and the phosphoric acid ester as determined from the Hansen solubility parameters is at most 15.

The invention discloses an organic Rankine cycle mixed refrigerant containing HFC-143(1,1,2-halothane). The organic Rankine cycle mixed refrigerant containing HFC-143 is suitable to be used as refrigerating fluid of a low temperature Rankine cycle system of which the evaporation temperature is 60 DEG C to 100 DEG C. The mixed refrigerant comprises HFO-1234yf (CF3CF=CF2, 2, 3, 3, 3-teflon-1-propylene), HFC-143 (1,1,2-halothane) and HFC-245fa (1,1,1,3,3,3-hexafluoropropane) according to different mass ratio. The preparation method comprises the step of physically mixing the three components according to an appointed ratio at the normal temperature to obtain the corresponding mixed refrigerant. The mixed refrigerant does not damage ozone layers, is lower in greenhouse effect, and accords with environment protection requirements; and thermal parameters are proper and cycling performance is excellent. Under a designed working condition, the efficiency of the Rankine cycle is about 9.5%, and unit mass output net work is basically over 18KJ / kg.

The present invention provides a refrigerator oil composition including: a base oil (A) composed of at least one selected from a polyalkylene glycol, a polyol ester, a poly-α-olefin, an alkylbenzene, and an mineral oil; an organic sulfur compound (B) having a sulfur content of 35% by mass or less; and a refrigerant (C) composed of at least one selected from carbon dioxide gas, a hydrocarbon, and ammonia, in which the refrigerator oil composition has a total sulfur content of 0.01 to 0.1% by mass with respect to a total amount of the components (A) and (B). The refrigerator oil composition is novel, and is free from an environmental problem such as the ozone layer destruction or the global warming, can retain its lubrication property for a long period of time, and does not cause the clogging of a capillary in a refrigeration cycle.