phosphorus pentoxide

基本解释

• [无化] 五氧化二磷

英汉例句

双语例句

• The RDX ketone is synthesized from urotropine and urea, using nitric acide and phosphorus pentoxide as nitrating agent.
  以乌洛托品、脲为原料，以硝酸五氧化二磷作为硝化剂制备了RDX酮。
• The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
  本方法用于测定磷酸中五氧化二磷的含量，获得满意结果。
• The synthesis of ethoxylated fatty alcohol phosphates prepared by reacting ethoxylated fatty alcohol with phosphorylating agent phosphorus pentoxide was studied.
  以脂肪醇聚氧乙烯醚为起始原料，五氧化二磷为磷酰化剂，对脂肪醇聚氧乙烯醚磷酸酯合成工艺进行了实验研究。

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词组短语

短语

• promoter of phosphorus pentoxide 磷助剂
• Phosphorus pentoxide detection reagent 五氧化二磷检测试剂
• Electronic Grade Phosphorus Pentoxide 三氯氧磷
• Phosphorus Pentoxide - Methanesulfonic Acid 五氧化二磷

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英英字典

柯林斯英英字典

• a white odourless solid produced when phosphorus burns: has a strong affinity for water with which it forms phosphoric acids. Formula: P2O5 (commonly existing as the dimer P4O10) (Also called phosphoric anhydride)

• phosphorus pentoxide剑桥字典
• phosphorus pentoxide柯林斯字典

专业释义

化学

• 五氧化二磷

  Molar ratio of octanol to phosphorus pentoxide was (2.5-3.5): 1.0, esterification time was about 3-4 h, and reaction temperature was controlled at 60- 70 ℃. Properties and application of sodium octyl phosphate in penetrating agents were introduced.
  以辛醇、五氧化二磷为原料合成辛醇磷酸酯，讨论了各种因素的影响，得出了最佳工艺条件:n(辛醇):n(五氧化二磷)=(2.5～3.5):1.0，酯化时间3～4 h，酯化温度60～70℃，并介绍了辛醇磷酸酯钠盐的性能及其在渗透剂的应用。

• 五氯化二磷

机械工程

• 五氧化二磷

生物学

• 五氧化二磷