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(diǎn)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(jì)數(shù)法對(duì)兩種季?鹽型緩蝕劑BHP 1及BHP 2的殺菌效果進(jìn)行了評(píng)價(jià)。
• 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(cè)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?jiān)佲x;“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(duì)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(diǎn)溶劑中直接進(jìn)行氟化,經(jīng)水蒸氣蒸餾和分餾提純獲得產(chǎn)品。
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