phosphonium

常见例句

• With CFT - 500 capillary reometer, the rheologcal properties of fireproof ing copolyester with phosphonium are studied.
  用CFT-500型毛细管流变仪研究磷系共聚阻燃聚酯的流变性能。
• It's intresting that after tanned with phosphonium salt the isometric point goes down firstly,then up.
  但是膦盐鞣剂鞣制过后皮胶原的等电点却是先降低后升高。
• The sterilization efficiency of two quaternary phosphonium salts,BHP 1 and BHP 2,was evaluated by Maximum Probable Number.
  采用最大可能计数法对两种季?盐型缓蚀剂BHP 1及BHP 2的杀菌效果进行了评价。
• Volumetric method of quinoline phosphomlybdate and ion-exchange method are established for determining the content of tetrakis (hydroxyrnethyl) phosphonium chloride (THPC).
  建立了用磷钼酸喹啉容量法和离子交换法测定四羟甲基氯化铁含量的方法。
• 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).
  张咏钧;“氯化戊烷之相转移催化醋酸根取代以合成醋酸戊酯之研究”;国立中央大学化工硕士论文(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.
  将对二氯苯用硝硫混酸硝化获得2,5二氯硝基苯,并以氟化钾为氟化剂,在四苯基溴化膦催化下于环丁砜等高沸点溶剂中直接进行氟化,经水蒸气蒸馏和分馏提纯获得产品。
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