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Method for synchronous desulfurization and denitrification of marine vessel exhaust

The invention discloses a method for synchronous desulfurization and denitrification of marine vessel exhaust, which belongs to the field of the air pollution control and the marine vessel exhaust emission control. In the method, exhaust passes through a spray humidification and cooling zone, an ozone decomposition and free radical oxidation zone and a seawater washing zone in sequence, thereby realizing synchronous desulfurization and denitrification. The spray humidification and cooling zone which consists of a small seawater pump, an exhaust humidification and cooling pipeline and a spray nozzle can humidify and cool the exhaust; the ozone decomposition and free radical oxidation zone which consists of an ozone decomposition and free radical oxidation device, an ultraviolet lamp and an ozone generator can rapidly convert SO2 and NO into hydroxyl acid and nitric acid through hydroxyl and the like; and the seawater washing zone which consists of a seawater washing tower, a filler and a large seawater pump can convert the hydroxyl acid and the nitric acid into sulfate and nitrate and discharge the exhaust and washing water meeting standards. The synchronous desulfurization and denitrification system formed through the invention has the advantages that the size is small, no seawater quality restoration system and raw material storage and transportation are needed, the products can be directly discharged into the sea, and the like.
Owner:WUHAN TEXTILE UNIV

3D segmentation method for stl triangular mesh model

ActiveCN102298795A3D Segmentation RealizationAdaptable3D modellingVertical planeAlgorithm
The invention discloses a three-dimensional segmenting method for an STL (Standard Template Library) triangular network model in rapid molding process. The three-dimensional segmenting method comprises the following steps of: firstly, reading the STL triangular network model from an STL file into an internal storage, and establishing complete topological information of a surface patch, a side and a peak in the STL model based on an improved wing-edge structure; secondly, repeatedly searching through information in the internal storage to obtain a highest position surface patch serving as a seed surface patch in an original STL model, and searching an adjacent surface patch having the same normal vector Z-axis component symbol as the seed surface patch with a boundary expansion method on the basis to obtain a plurality of sub-STL models having the same normal vector Z-axis component symbol; and lastly, checking the boundary of each sub-STL model, recognizing and extracting covered boundary lines, and segmenting the sub-STL model by using a vertical plane defined by the covered boundary lines to further generate non-interfered sub-STL models. By adopting the three-dimensional segmenting method, three-dimensional segmentation of the STL triangular network model can be realized effectively; and moreover, the triangular network model has the advantages of high adaptability, high efficiency and low resource consumption.
Owner:HUAQIAO UNIVERSITY

Compound microbes for reducing and disinfecting greenhouse soil and soil disinfection method

The invention relates to the greenhouse crop planting field, in particular to compound microbes for reducing and disinfecting greenhouse soil and a soil disinfection method, and solves the problem of multiple defects in the prior art. The compound microbes comprise bacteria, actinomycetes, saccharomycetes and moulds. The soil disinfection method includes the steps of selecting June to September as a disinfection period to apply crop straws, organic fertilizer and the compound microbes on the soil after the crops are harvested; deeply plowing soil layers to form small ridges; covering ridge surfaces with plastic film, filling enough water under the film till the soil humidity achieves 100%, and sealing the mulching film and covering the greenhouse plastic film for 20 to 25 days; and uncovering the greenhouse plastic film and removing the mulching film for planting. According to the compound microbes for reducing and disinfecting greenhouse soil and the soil disinfection method, the method is non-toxic, harmless, pollution-free and residue-free, pathogenic bacteria, ova and the like in soil plough layers are killed, soil organics are increased, the soil physical and chemical structure is improved, soil fertility is improved, and good foundation is laid for improving product qualities.
Owner:AGRI BIOTECH RES CENT OF SHANXI PROVINCE +1

Rapid method for constructing river way water ecosystem

The present invention belongs to the technical field of water ecological restoration, and specifically discloses a rapid method for constructing a river way water ecosystem, the method includes the following steps: 1, collecting of to-be-repaired river way water ecological information; 2, detailed analysis of pollution information, sewage interception reoxygenation and blackness and odor removal by microbial decomposition; 3, planting of emergent proper aquatic plants, submerged plants and the like according to water and hydrological information; 4, control of algae by aquatic animals; and 5, water ecosystem maintenance; wherein aquatic plants are usually harvested in November each year, and plant body residues are cleaned up in early spring. Through combination of an ECO-EGG plug-flow aerator and the constructed river way water ecosystem, physical, chemical and biological-ecological approaches are effectively combined for phased treatment, water quality is rapidly improved, water eutrophication is controlled, water self-purification capacity can be improved, the water ecological structure and function can be restored, water quality can be long term and effectively improved, meanwhile the effectiveness, long effectiveness, economical efficiency and ecological compatibility of polluted water treatment can be unified.
Owner:上海库克莱生态科技有限公司

Measuring method for quickly measuring contents of heavy metals in tobacco by using microwave digestion/ICP-MS method

The invention discloses a measuring method for quickly measuring the contents of heavy metals in tobacco by using a microwave digestion / ICP-MS (Inductively Coupled Plasma Mass Spectrometry) method. According to the measuring method, a microwave digestion pretreatment method is adopted, an ICP-MS is adopted to measure the contents of arsenic, plumbum, cadmium, chromium, copper, zinc, nickel and mercury elements in a digestion liquid, 75As, 208Pb, 111Cd, 53Cr, 63Cu, 66Zn, 60Ni and 202Hg are selected as mass numbers of the to-be-measured elements to reduce mass spectrum interference, and an internal standard element Rh is added in an off-line manner to inhibit the matrix effect. For to-be-measured ions with a certain mass-to-charge ratio, mass spectrum signal response is directly proportional to the number of ions entering the ICP-MS, the concentration of the elements in a sample is measured by measuring the number of mass spectrum signals, and the contents of the elements are calculated by a standard curve method. The method is quick and simple, can efficiently and accurately measure the contents of heavy metals in tobacco and tobacco products, and provides an effective scheme for finding out the content level of heavy metals in cigarettes in China to reduce harm to human health.
Owner:江西省烟草公司抚州市公司 +2

Condensed multi-enzyme medical cleaning agent

The invention relates to a condensed multi-enzyme medical cleaning agent. The cleaning agent contains surfactants, a detergent auxiliary agent, a solubilizing agent, an enzymic preparation, a foam inhibitor and a preservative, wherein the surfactants are a non-ion surfactant and an anion surfactant. The cleaning agent comprises the following formula components in percentage by weight: 5 to 10 percent of alkoxyl fatty alcohol, 3 to 5 percent of alkyl polylucoside, 5 to 10 percent of alkanol polyether, 5 to 10 percent of sodium xylene sulfonate, 0.5 to 1.5 percent of sodium sulfate, 0.5 to 1 percent of calcium chloride, 2 to 4 percent of disodium ethylene diaminetetraacetate, 5 to 10 percent of hydrogenated castor oil, 6 to 12 percent of dipropylene glycol monomethyl ether, 5 to 10 percent of glycerol, 2 to 6 percent of proteinase, 1 to 5 percent of amylase, 1 to 5 percent of lipase, 0.5 to 1 percent of cellulase, 0.1 to 0.5 percent of methylparaben and propyl hydroxybenzoate preservative, 0.1 percent of essence, 0.1 percent of pigment and the balance of deionized water. Through the cleaning agent, all the biological residues adhered in and out of a medical apparatus can be quickly and effectively decomposed and cleaned and aluminum oxide playing a role in protection on the metal surface layer is not damaged.
Owner:徐宏汇 +1

Method for rapidly producing high-quality organic fertilizer by virtue of high-temperature aerobic secondary fermentation

The invention discloses a method for rapidly producing a high-quality organic fertilizer by virtue of high-temperature aerobic secondary fermentation and relates to the technical field of microorganism application. The method comprises the following steps: A, raw material preprocessing; B, zymocyte preparation, namely a, preparation of high temperature zymocyte: 1, preparation of stock culture of the high-temperature zymocyte, 2, preparation of sterilizing materials of the high-temperature zymocyte, 3, inoculation of the stock culture of the high-temperature zymocyte, 4, fermentation of the stock culture of the high-temperature zymocyte, and 5, secondary fermentation, and b, preparation of middle-temperature and low-temperature zymocyte; C, inoculation of the high-temperature zymocyte; D, temperature rising and fermentation; E, sterilization; F, fermentation at a high temperature; G, inoculation of the middle-temperature and low-temperature zymocyte; H, cooling and secondary fermentation. The method has the characteristics of having short fermentation cycle, less investment and low cost, and being capable of rapidly preparing organic wastes into the high-quality organic fertilizer, and is applicable to rapidly processing various organic wastes; the prepared high-quality organic fertilizer can be used as a base fertilizer for planting of crops such as rice, fruits, vegetables and melons and fruits.
Owner:湖南百威生物科技股份有限公司

Internal combustion engine and vehicle

The invention relates to the technical field of energy conservation and environmental protection, in particular to an internal combustion engine and a vehicle. The internal combustion engine comprises an internal combustion engine body, a pipe body assembly, an oxyhydrogen generating device and a water supply system; the internal combustion engine body is provided with an exhaust system and an air intake system; the exhaust system comprises an exhaust branch and an exhaust pipeline connected with each other; the exhaust branch is connected with the external part; the pipe body assembly comprises a first pipe body part and a second pipe body part; the first pipe body part is connected with the water supply system; the second pipe body part is connected with the exhaust branch in a winding manner in the length direction of the exhaust branch to be used for having thermal transmission with the exhaust branch; one end of the oxyhydrogen generating device is connected with the second pipe body part; and the other end of the oxyhydrogen generating device is connected with the air intake system. The internal combustion engine alleviates the technical problem that the existing internal combustion engine adopts petroleum for combustion to pollute the environment, generate haze and seriously consume the petroleum resources.
Owner:宽城天宇鹿业有限公司

Arc extinction slurry for fuse protector

The invention relates to arc extinction slurry for a fuse protector. The arc extinction slurry comprises, by weight, 5-40 parts of gas production materials, 0-10 parts of phenol formaldehyde resin, 20-60 parts of quartz sand, 0.6-10 parts of organic solvents and15-30 parts of deionized water. The gas production materials are mainly urea-formaldehyde resin and other powder materials; the phenol formaldehyde resin can be boron-modified phenol formaldehyde resin and other high-temperature-resistant resin which is soluble in organic solvents, and the main effect of the phenol formaldehyde resin is to improve the heat-resistant performance of urea-formaldehyde resin; the periphery of a melt is covered with the arc extinction slurry in a filling mode or a thick film printing mode or the like, and gas will be produced under the action of an electric arc so as to extinguish the electric arc; fast cooling of the metallic melt is guaranteed by adding the quartz sand, and therefore the arc extinction slurry can be used on the breaking occasion of high voltage and great current of more than 250VAC/100A. The arc extinction slurry has the predominant advantages of being low in production cost, easy to operate, free of halogen, friendly to environment, high in arc extinction ability and the like, thereby being suitable for being used in a current common tube shell type or thick film printing type surface-mounted miniature fuse protector.
Owner:NANJING SART SCI & TECH DEV
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