phosphonium

常見例句

• With CFT - 500 capillary reometer, the rheologcal properties of fireproof ing copolyester with phosphonium are studied.
  用CFT-500型毛細(xì)管流變儀研究磷系共聚阻燃聚酯的流變性能。
• It's intresting that after tanned with phosphonium salt the isometric point goes down firstly,then up.
  但是膦鹽鞣劑鞣制過后皮膠原的等電點卻是先降低后升高。
• The sterilization efficiency of two quaternary phosphonium salts,BHP 1 and BHP 2,was evaluated by Maximum Probable Number.
  采用最大可能計數(shù)法對兩種季?鹽型緩蝕劑BHP 1及BHP 2的殺菌效果進行了評價。
• Volumetric method of quinoline phosphomlybdate and ion-exchange method are established for determining the content of tetrakis (hydroxyrnethyl) phosphonium chloride (THPC).
  建立了用磷鉬酸喹啉容量法和離子交換法測定四羥甲基氯化鐵含量的方法。
• C. M. Starks, “Phase-transfer Catalysis. I. Heterogeneous Reaction Involving Anion Transfer by Quaternary Ammonium and Phosphonium Salts”, J. Am. Chem. Soc., 93(1), 195 (1971).
  張詠鈞;“氯化戊烷之相轉(zhuǎn)移催化醋酸根取代以合成醋酸戊酯之研究”;國立中央大學(xué)化工碩士論文(1998).
• In the process of direct fluoration, tetraphenyl phosphonium bromide, potassium fluoride and sulfolane was used as catalyst, fluorating agent, and high boiling point agent respectively.
  將對二氯苯用硝硫混酸硝化獲得2,5二氯硝基苯,并以氟化鉀為氟化劑,在四苯基溴化膦催化下于環(huán)丁砜等高沸點溶劑中直接進行氟化,經(jīng)水蒸氣蒸餾和分餾提純獲得產(chǎn)品。
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