phenol造句
181. A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.
182. The content of polysaccharide in Lycium barbarum extract was measured by phenol - sulfuric acid method.
183. This paper primarily studied the changes of color and the content of phenol in pericarp of "brumal jujube".
184. Phenoxy acetic acid was prepared in the pressence of chloroacetic acid, phenol and NaOH under microwave irradiation. The optimum condition was obtained. The yield could reach 97.3%.
185. Research and development for fhe production of pyrocatechol and hydroquinone by reaction of phenol with hydrogen peroxide and percarboxylic acid as hydroxylating reagent are introduced.
186. Phenolic resin modified with zirconium and with high char yield was synthesized with formaldehyde, phenol and zirconyl chloride as raw materials.
187. The self-purification of phenol in the lower reaches of Tianjin Southern Drainage Canal has been studied.
188. The pollution of non-hydrocarbons was the main pollution of phthalidyl and phenol compounds.
189. The synthetic method on 3-diethylamino phenol from raw material m-phenylenediamine was described in detail.
190. Demulsifier TKQ comprises of phenol - amine resin block polyethers and quaternized polyamidoamine.
191. The synthetic methods of pyrocatechol were introduced. The main production method at present is phenol hydroxyl hydrogen peroxide method, and some advice was put forward.
192. A mathematical model of adsorption of phenol in soil has been studied using linear adsorption isotherm.
193. Phenol oxidation and catalyst - sorbent ignition may proceed bt different reaction mechanisms.
194. The use of gastric emptying rate of phenol red measured response in each group pyloric sphincter pressure in rats.
195. Phenol and aniline complexed with 4 - AAP to form a dye , its absorption spectrum overlapped greatly.
196. Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.
197. The main type of pollutants which caused the accidents include COD, heavy metal ions, at the same time, Phenol, Pentachloro sodium phenolate and ammonia had taken up a considerable proportion too.
198. The thesis dis cusses the following questions, How to use active mud to dispose Coking system' s organic Water which includes phenol and cyanogen etc in the HeiLong Jiang chemical Group.
199. Carbolic acid( or phenol ):Organic compound, simplest member of the class of phenols. A colourless liquid with a Bland, sweetish odour, it is toxic and caustic.
200. Recent progress and synthesis methods on direct hydroxylation of benzene to phenol are systematically introduced.
201. MEKC method based on on-line sweeping technique was developed for the determination of trace phenol, o-nitrophenol and p-nitrophenol in industrial waste water.
202. Unexpectedly, we observed that the phenol moieties of probucol were insufficient, whereas its sulphur atoms were required for protection.
203. Summarily, this new melt crystallization technology for purifying the octyl phenol has a good foreground of industrial application.
204. It was in favor of microorganism degrading 3-chlorophenol by adding in phenol.
205. Shell molding of phenol formaldehyde resin coated sand has been widely used in foundry and with prospective future.
206. In this investigation, UASB reactors are utilized to study the feasibility of treating phenol, m-cresol and the synthetic wastewater containing phenol as sole organic substrate at ambient temperature.
207. We studied synthetic technique of 3-fluorin-4-cyanogens group phenol synthesized from m-fluorin anisole through a series of chemistry reaction.
208. Bakelite resin which is produced by reacting phenol with formaldehyde is used to bind wood fibres in pressed wood such as medium-density fibreboard (MDF) and formica.
209. Objective To establish a UV-spectrophotometry method to determine the content of phenol in calamine and menthol lotion.
210. Urumqi 830011, China)Abstract: Objective: To investigate the influences of the sperm of male rats impact, when octyl phenol, nonylphenol joint exposured.
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