phosphorus pentoxide
基本解释
- [无化] 五氧化二磷
英汉例句
- 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。
双语例句
词组短语
- 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
短语
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)
柯林斯英英字典
专业释义
- 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
- 五氧化二磷
- 五氧化二磷