phosphorus pentoxide
英
美
网络 五氧化二磷; 磷酸酐; 磷酐
双语例句
- Methods for chemical analysis of aluminium oxide& The molybdenum blue photometric method for the determination of phosphorus pentoxide content
GB/T6609.17-1986氧化铝化学分析方法钼蓝光度法测定五氧化二磷量 - Note. ( 1) The dichloromethane is distilled from phosphorus pentoxide and stored over molecular sieves.
注意事项（1）二氯甲烷加入五氧化二磷蒸馏，加入分子筛储存。 - Determination of Phosphorus Pentoxide Content in Carbonate Rocks by Spectrophotometry
分光光度法测定碳酸盐岩石中五氧化二磷的含量 - Determination of Phosphorus Pentoxide in Phosphate Ore by Bismuth Salt-molybdenum Blue Parallax Photometric Method
铋盐-钼蓝示差光度法测定磷矿石中五氧化二磷 - A new process is studied for the synthesis of alcohol ethoxylate phosphate prepared by esterifying alcohol ethoxylate ( AEO 3) with phosphorus pentoxide in the presence of water and hydrolyzing with steam.
建立了在水存在下的脂肪醇聚氧乙烯醚（AEO3）与五氧化二磷酯化再用水蒸汽进行水解合成高单酯含量磷酸酯的生产工艺。 - A series of new type phosphate amphoteric surfactants were synthesized by using ethylene glycol, epichlorohydrin, alkyl tertiary amine and phosphorus pentoxide as raw materials.
以乙二醇、环氧氯丙烷、烷基叔胺和五氧化二磷为原料，合成了一种磷酸酯两性表面活性剂。 - Tests proved that: arsenic is separated differently by putting different quantity sodium sulfide liquid and different static settlement time after stirring evenly, and it is not affecting defluorination, not reducing phosphorus pentoxide content.
试验证实，在萃取液中加入不同量的硫化钠溶液，搅拌均匀后静置不同的时间，能达到不同的除砷率，而且不会影响脱氟，不会增加磷损。 - Rapid Determination of Phosphorus Pentoxide in Extraction Paste by Acid-Base Titration
酸碱滴定法快速测定萃取料浆中五氧化二磷含量 - Phosphorus-doped phenolic resin carbon was prepared by low temperature ( 700 ℃) pyrolysis of thermoplastic phenolic resin containing different amounts of phosphorus pentoxide after curing.
以添加不同含量五氧化二磷的热塑性酚醛树脂为前驱体，经热固化后升温至700℃裂解制备掺磷树脂裂解炭。 - Phosphorylation of high fatty alcohol with phosphorus pentoxide was studied with the aid of 31 P NMR spectrum.
采用31pNMR波谱对高碳脂肪醇与五氧化二磷的反应进行了研究，定量地表征了产物混合物中的各组分。 - The structure and the acidic properties of H β zeolite were modified with phosphorus pentoxide added by using chemical vapour deposition method.
采用化学气相沉积法，研究了五氧化二磷对Hβ分子筛酸性和孔结构的改性。 - In the uniformity comparison of preparation p-n junction by phosphorus oxychloride diffusion and by phosphorus pentoxide sublimation, it is more uniformity that p-n junction preparation by phosphorus pentoxide sublimation.
三氯氧磷扩散与五氧化二磷升华制备p-n结的均匀性比较中，用五氧化二磷升华制备出的p-n结要更加均匀。 - Include the following parts: 1. The hydroxyapatite with nano-crystalline structure was prepared by sol-gel method with mild conditions as the calcium nitrate tetrahydrate and phosphorus pentoxide used for raw materials.
主要包括以下几个内容：1.以四水硝酸钙和五氧化二磷为原料，采用实验条件比较温和的溶胶凝胶法制备具有一定结晶结构的纳米羟基磷灰石。