ethylene造句
181. A novel porous chitosan(PEI-CTS), which has higher concentration of amino group, was synthesized by polyaminating with poly(ethylene imine)on cross-linking chitosan.
182. The effects of HZSM 5 zeolite ion exchanged by transition metals on catalytic pyrolysis reaction and the yields of ethylene and propylene using light gas oil feedstock were studied.
183. The production process for vinyl chloride is substituted that based on ethylene dichloride for ethine . It is forecasted that it will quickly increased for the demand of ethylene dichloride.
184. The service life of ethylene cracking furnace pipe will be reduced as a result of carbonization of inner face of the pipe running constantly at high temperature.
185. In this paper, various syntheses of 2,3-dimethylpyrazine are reviewed, which raw materials includes from biacetyl and ethylene diamine, or from 2,3-butylene-glycol and ethylene diamine etc.
186. The growth of CNTS( carbon nanotubes) by catalytically cracking ethylene in the presence of the supported catalyst doped with rare earth samaria is reported.
187. Plant hormones include ethylene, abscisin , auxins, gibberellins, and cytokinins.
188. In this paper, chloroethanol is synthesized by the reaction between ethylene oxide and industrial hydrochloride with CaCl 2/Na 2HPO 4 as catalyst.
189. The essay introduce the synthesis and function test about the terpene maleic anhydride ethylene glycol polyester.
190. In industrial production of PP, the ethylene is interpolated in propylene polymerization.
191. The compounding and on trial comditions of ethylene glycol antimony solution were introduced.
192. The main products of PET supercritical methanolysis are dimethyl terephthalate ( DMT ) and ethylene glycol ( EG ).
193. The number - average molecular weight of poly ethylene - glycol - adipate diols didn't affect the heat decompose temperatures of polyurethanes.
194. Latest advances in preparation of ethylene glycol(EG) were reviewed, including preparation of EG via catalytic hydration from ethylene oxide(EO) and ethylene carbonate(EC),[http:///ethylene.html] as well as via syngas.
195. The relationship between ethylene and Polygalacturonase(PG) was thoroughly investigated in two aspects of the effect of ethylene on PG function and the regulation of PG on ethylene synthesis.
196. Poly ( ethylene glycol ) ( PEG ) is a hydrophilic polymer which has flexible long chain.
197. Ketimine, which is prepared by acetone and ethylene diamine or hexamethylene diamine was used as potential chain extender to improve the properties of aqueous polyurethane resin.
198. Product use: catalysis, regeneration gas filtering, hydrogenation, oil filtering; ethylene, propylene, butadiene, toluene, dimethylbenzene, benzene, ...
199. An improved determination method of ultraviolet ( UV ) transmittance of ethylene glycol ( EG ) was developed.
200. In the catalytic systems for ethylene oligomerization, different organo-aluminum compounds significantly influence the activity and selectivity of the catalysts.
201. The bipolymer special resin was test-operated by applying domestic catalyst in polypropylene unit of Fushun Ethylene Chemical Plant and the consumer had favourable applying effect.
202. The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant.
203. Content of the project: utilize CO2 resource, to set up production lines of methyl carbonate, granular dry ice powder, salicylic acid, sodium carbonate and ethylene urea etc.
204. They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.
205. Acid corrosion of it, but soluble in chloroform, ethylene dichloride, bananas water and other organic solvents.
206. MOR zeolite was dispersed into poly(ethylene glycol)oligomer to form a stable gel. Its Electrochemical behavior was first detected by a cyclic voltammeter.
207. Objective : To study the sampling and determinating method of Ethylene dibromide among the workplace air.
208. Ring opening of copolymerization and homopolymerization between acrylpimaric acid and ethylene oxide at different mole ratio were studied.
209. The electrooxidation of ethylene glycol (EG) in alkaline media has been investigated with in situ FTIR spectroscopy and cyclic voltammetry.
210. The assembling of shell plate of ethylene spheres is basically a separate assembling.
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