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211) This paper is concerned with preparation method of nano - sized magnesium oxide from ammonium carbonate and chloride.

212) Hydrochloric acid interacts with water to form hydronium ions and chloride ions.

213) Effects of different concentrations of L-cys, citric acid, ascorbic acid, calcium and chloride on inhibiting browning degree of fresh-cut pears were investigated.

214) Calcium carbide, widely applied in synthesis of organic chemical products, such as benzene, rubber, polyvinyl chloride, and polyacetylene, is a main intermediate product of clean coal utilization.

215) The yield of benzyl chloride based on toluene was 92 % under proper conditions.

216) Conclusion Under hypotonic stress, propofol might decrease glutamate release from astrocytes via inhibiting the activities of volume sensitive outwardly rectifying chloride channels.

216) Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.

217) The experimental results suggest that methylene chloride ist a good substitute which can instead of trichlorofluoromethane in the production of different kind of density flexible polyurethane foam.

218) Results Methyl isocyanate, chloride and oxide of Quercetin were prepared.

219) The defects of chlorinity expressing method and chlorinity assessment method, which exists in the current test methods of chloride ion permeability in concrete, are summarized.

220) Using sodium carbonate and calcium oxide as cheap acid-capturer, perfume furfuryl butyrate was synthesized from furfuryl alcohol and butyryl chloride, and was characterized by GC and IR.

221) Authors adopted the rapid chloride permeability test method to research influences of fly-ash amount on anti-chloride-permeability performances of steam cured concrete.

222) In the presence of catalytic amounts of samarium trichloride, acetophenone diethyl ketals reacted with acetyl chloride to give 1,3,5 - triarylbenzenes in high yields.

223) Caffeine is removed by directly soaking the materials in the methylene chloride .

224) This invention provides concentrated aqueous biocidal solutions formed from bromine chloride, sodium hydroxide, and sulfamic acid.

225) Undissolved in water or ethanol, easily dissolves in inorganic acid(nitric acid, hydrochloric acid), acetic acid and ammonium chloride solution, slightly dissolves in alkali metal carbonate solution.

226) A hollow fiber ultrafiltration membrane was prepared by using polyvinyl chloride (PVC) and polysulfone (PSF) blends and the dry wet spinning technology.

227) After hydrazinolysis, hydrazide resin (3 ) reacted further with substituted benzoyl chloride obtaining hydrazide resin (4).

228) OBJECTIVE To improve the determination method of potassium chloride in Compound chloride injection.

229) Tin compound ZSD is prepared with stannous chloride modified with discharge agent ST-2, its application to polyester discharge printing is carried out.

230) This Standard supersedes polyvinyl chloride plastic sheets for waterproofing ( GB 12952 - 1991 ) .