Jiang, Jiangsu
Bicun Jiang, Jiangsu CN
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20130240450 | METHOD FOR TREATING HIGHLY CONCENTRATED RESIN-DESORPTION LIQUID GENERATED FROM WASTEWATER DEEP PURIFICATION - A method for treating highly concentrated resin-desorption liquid generated from wastewater deep purification, including channeling the highly concentrated desorption liquid generated from anion exchange resin treatment through a nanofiltration membrane, the liquid being separated into nanofiltration permeate that can be reused as the desorption agent and highly concentrated nanofiltration retentate; adding a coagulating agent to the highly concentrated nanofiltration retentate to generate coagulation-precipitation; subjecting the supernatant formed after the coagulation-precipitation process to Fenton oxidation or ozone oxidation; after the reaction, adding to the liquid an alkali solution for further coagulation-precipitation; then channeling the liquid so treated back to the biochemical system of biochemical effluent treatment for further biodegradation is provided. The recycled treatment of the highly concentrated desorption liquid consequently reduces the treatment cost and prevents secondary pollution by realizing innocuous treatment and reclamation of resin-desorption liquid as well as reduction of its total volume. | 09-19-2013 |
Danning Jiang, Jiangsu CN
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20130240450 | METHOD FOR TREATING HIGHLY CONCENTRATED RESIN-DESORPTION LIQUID GENERATED FROM WASTEWATER DEEP PURIFICATION - A method for treating highly concentrated resin-desorption liquid generated from wastewater deep purification, including channeling the highly concentrated desorption liquid generated from anion exchange resin treatment through a nanofiltration membrane, the liquid being separated into nanofiltration permeate that can be reused as the desorption agent and highly concentrated nanofiltration retentate; adding a coagulating agent to the highly concentrated nanofiltration retentate to generate coagulation-precipitation; subjecting the supernatant formed after the coagulation-precipitation process to Fenton oxidation or ozone oxidation; after the reaction, adding to the liquid an alkali solution for further coagulation-precipitation; then channeling the liquid so treated back to the biochemical system of biochemical effluent treatment for further biodegradation is provided. The recycled treatment of the highly concentrated desorption liquid consequently reduces the treatment cost and prevents secondary pollution by realizing innocuous treatment and reclamation of resin-desorption liquid as well as reduction of its total volume. | 09-19-2013 |
Denny Jiang, Jiangsu CN
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20150336246 | TOOL BITS WITH FLOATING MAGNET SLEEVES - A tool bit assembly includes a tool bit having a shaft with a first working region disposed at a first end of the shaft and a first reduced diameter portion proximate the working region and disposed between a first shoulder and a second shoulder. A floating sleeve has a rear portion with a pair of opposed window openings, a front portion supporting a magnet, and a pair of balls, with each ball disposed in one of the window openings. The floating sleeve is receivable over the tool bit with the magnet proximate the first working regions and the balls received in the first reduced diameter portion to allow the floating sleeve to move between a first position in which the balls abut the first shoulder and a second position in which the balls abut the second shoulder. | 11-26-2015 |
Haiqiang Jiang, Jiangsu CN
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20160102553 | INCLINED LAYERED SOLID-FILLING MINING METHOD IN ULTRATHICK COAL LAYER - An inclined layered solid-filling mining method in an ultrathick coal layer is applicable to exploitation in a “three-unders” ultrathick coal layer. In this method, the number of inclined layers is determined based on a principle of layered thickness from 2.5 m to 4.5 m, and a layered-exploitation downward-filling exploitation order is adopted. Tunnels and equipment are arranged according to a conventional solid-filling mining method. A cyclic order of mining, layout of metal meshes ( | 04-14-2016 |
Yaofu Jiang, Jiangsu CN
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20150300290 | Water-Cooled Internal Combustion Engine Cylinder Head And Water-Cooled Internal Combustion Engine Equipped With Same - A cylinder head is prepared by integrating an upper cylinder head part and a lower cylinder head part, which are manufactured separately, into the whole, wherein the fuel injector receiving hole, the intake valve stem receiving hole and the exhaust valve stem receiving hole are respectively prepared by integrating their upper portions which are formed together with the upper cylinder head part and their lower portions which are formed together with the lower cylinder head part respectively; the intake duct and the exhaust duct are formed in the lower cylinder head part; the cylinder head water cavity is prepared by integrating an upper water cavity portion formed together with the upper cylinder head part and a lower water cavity portion formed together with the lower cylinder head part into the whole, alternatively, the cylinder head water cavity is formed, as a whole, with the lower cylinder head part. | 10-22-2015 |
Yueheng Jiang, Jiangsu CN
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20130178651 | PREPARATION METHOD OF HIGH-OPTICAL PURITY N2-[1-(S)-ETHOXYCARBONYL-3-PHENYLPROPYL]-N6-TRIFLUOROACETYL-L-LYSINE - Disclosed is a preparation method of high-optical purity N2-[1-(S)-ethoxycarbonyl-3-phenylpropyl]-N6-trifluoroacetyl-L-lysine. The method includes: adding crude N2-[1-(S)-ethoxycarbonyl-3-phenylpropyl]-N6-trifluoroacetyl-L-lysine to one or more organic solvents, and then reacting with an organic acid to form a salt, which is precipitated, thereby achieving the purpose of separation and purification; next, adding the obtained solid or mother concentrate into deionized water, and then adding an inorganic base or an organic base for basification, so as to adjust the pH value, removing the organic acid, filtering, washing and drying, to obtain the high-optical purity N2-[1-(S)-ethoxycarbonyl-3-phenylpropyl]-N6-trifluoroacetyl-L-lysine, where the molar ratio of 1S-isomer to 1R-isomer is equal to or greater than 99:1. | 07-11-2013 |
20130345436 | method for preparing 2-(N-substituted)-amino-benzimidazole derivatives - A method for preparing 2-(N-substituted)-amino-benzimidazole derivatives is provided, which comprises the following steps: (1) reacting a compound of 2-(N-protecting group)-O-aryl diamine with a compound of N-phenoxycarbonyl monosubstituted amine to obtain a compound of 2-(N-protecting group)-amino aryl urea; (2) in a suitable organic solvent, performing dehydrating cyclization reaction of the compound of 2-(N-protecting group)-amino aryl urea in the presence of an organic base and dichloro triphenylphosphine prepared by triphenylphosphine oxide with oxalyl chloride or diphosgene or triphosgene, or dibromo triphenylphosphine prepared by triphenylphosphine oxide with bromine, to produce a compound of 1-protecting group-2-(N-substituted)-amino-benzimidazole; (3) deprotecting the resulting compound of 1-protecting group-2-(N-substituted)-amino-benzimidazole to obtain the compound 2-(N-substituted)-amino-benzimidazole. | 12-26-2013 |
20150232431 | 2-SUBSTITUTED-2H-1, 2, 3-TRIAZOLE DERIVATIVE AND ITS PREPARATION METHOD - Disclosed is a 2-substituted-2H-1,2,3-triazole derivative, a compound as represented by formula I or II. Also disclosed is a preparation method of the compound as represented by formula I or II, in particular to a preparation method of 2-substituted-4-bromo-5-chloro-1H-1,2,3-triazole, 2-substituted-4-bromo-5-iodo-1H-1,2,3-triazole, and 2-substituted-5-chloro-1H-1,2,3-triazole-4-carboxylic acid. The preparation methods of the present invention are simple and feasible, and has high yield of the obtained compounds. | 08-20-2015 |
Zhenmao Jiang, Jiangsu CN
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20130310243 | METHOD FOR REGULATING THE DISTRIBUTION OF METALLIC NANOPARTICLES WITHIN THE RESIN SUPPORT - A method for regulating the distribution of metallic nanoparticles within the resin support is provided. This method uses the ion exchange or absorption resin bearing basic functional groups as the support; firstly introducing the metal in the form of anionic complexes onto the resin support through the ion exchange process, then realizing the purpose of regulating the distribution of the metal and its compound within the resin support by means of changing the concentration of the reductive or deposition agent in water solution and the reaction time. The regulated distribution of metallic nanoparticles within the resin support is in the form of rings with different depths and densities. The different distribution patterns result in improvements upon properties of the inorganic-organic composite material, such as reaction activity, reaction selectivity and metallic stability, and has significant referential value for preparation and structural regulation of other inorganic-organic composite materials of the same kind. | 11-21-2013 |