phosphorus pentoxide

基本解釋

• [無化] 五氧化二磷

英漢例句

雙語例句

• The RDX ketone is synthesized from urotropine and urea, using nitric acide and phosphorus pentoxide as nitrating agent.
  以烏洛托品、脲為原料，以硝酸五氧化二磷作為硝化劑制備了RDX酮。
• The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
  本方法用于測定磷酸中五氧化二磷的含量，獲得滿意結果。
• 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為起始原料，五氧化二磷為磷酰化劑，對脂肪醇聚氧乙烯醚磷酸酯合成工藝進行了實驗研究。

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詞組短語

短語

• promoter of phosphorus pentoxide 磷助劑
• Phosphorus pentoxide detection reagent 五氧化二磷檢測試劑
• 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劍橋字典
• phosphorus pentoxide柯林斯字典

專業(yè)釋義

化學

• 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、五氧化二磷為原料合成辛醇磷酸酯，討論了各種因素的影響，得出了最佳工藝條件:n(辛醇):n(五氧化二磷)=(2.5～3.5):1.0，酯化時間3～4 h，酯化溫度60～70℃，并介紹了辛醇磷酸酯鈉鹽的性能及其在滲透劑的應用。

• 五氯化二磷

機械工程

• 五氧化二磷

生物學

• 五氧化二磷