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211. The starch-polyacrylonitrile grafting copolymers with water absorbility were prepared by one step synthesis in several aqueous organic solvent systems using ceric ammonium nitrate as the initiator.

212. The new process of calcine for ammonium paratungstate to tungsten trioxide by microwave was investigated.

213. Ammonium nitrate (AN) is a kind of polymorphous substance which is subjected to caking due to environmental factors.

214. This paper was study of atmospheric pressure synthesis ofp-nitroanisole from p-nitrochlorobenzene, methanol and sodium hydroxide catalysed by phase transfer catalyst benzyl triethyl ammonium chloride.

215. By elution experiment, char yield loss of wood treated by ammonium phosphate is 26.7%, compared to 4.27% by tetrabromobisphenol A.

216. The flotation behaviour of platinum from stannous chloride- malachite green-water system in the presence of ammonium sulphate was studied.

217. In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.

218. Mirabilite reacted with ammonium bicarbonate under the proper conditions to obtain sodium bicarbonate and mother liquor.

219. A new water developable, photosensitive phenolic resin containing quaternary ammonium hydroxide groups and acrylate groups(AQHPR) was synthesized.

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

221. Cationic starch of quaternary ammonium type with high DS, polyamines and polyamines grafted with UV-absorber BP-4 were applied as cationic agents of cotton in salt-free dyeing of reactive dyes.

222. The orthogonal experiment for ammoniating rice straw at elevated temperature was arranged in a small ammoniation oven with ammonium hydrogen carbonate as ammoniating agent.

223. Phenanthroline is used as indicator and ammonium ceric nitrate standard solution for titration in the determination.

224. Other compounds not compatible with reducing agents include ammonium nitrate, hydroperoxide, potassium perchlorate, sodium nitrate.

225. The change of sodium ferric EDTA and carbonyl iron was not great, but most of ferric sulfate and ferric ammonium citrate became insoluble during storage.

226. Because in the detection of dairy products, there is no three - ammonium cyanide this item.

227. This paper about the technics is to use the material of haloid liquid, ammonium bicarbonate and ammonia to preparate the super light MgO.

228. It could be concluded that the reaction current efficiency was related with the surface adsorption of quaternary ammonium salt by measuring the differential capacitance at the solution in...

229. Thermal and thermo - oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated acid were studied.

230. The cationic surfactants based on bisamide and imidazoline quaternary ammonium salts were synthesized and the content of cations was determined.

231. Various iodinated strong base quaternary ammonium anion exchange resins were prepared.

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232. Selective leaching of nickel, cobalt and copper from cobalt crusts was attained by using ammonium carbonate solution and sulfur dioxide gas as a reductant.

233. A fine method is wrapping around the surface of ammonium nitrate by polymer, and forming a hydrophobe layer on the surface.

234. Ammonium removal by modified zeolite , Ca - form zeolite, was examined batch - type methods.

235. 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.

236. Most of all, self - sensitization of ammonium nitrate is one of the key approaches and technologies.

237. This article analyzes problems in the making up of molybdic acid ammonium solution by using molybdic acid ammonium and proposes some improvement, which turns out to be better result.

238. Ammonium sulphate with calcium carbonate as gross by-product could be obtained from the raw materials including phosphogypsum, ammonium bicarbonate and ammonia water.

239. Ammonium nitrate as auxiliary oxidant is help of finishing oxidation - reduction reaction.

240. The nanometer yttrium oxides were obtained through precipitation reaction with ammonium bicarbonate.