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- Preparation of formamidine sulphinic acid with thiourea and hydrogen peroxide by aqueous solvent process was researched. 研究了硫脲与双氧水水溶剂法制备甲脒亚磺酸的反应。
- When the aqueous solvent (solvent A) is cleaned up in terms of an on-line precolumn, the purity of the organic solvent (solvent B) can be tested according to the chromatogram of the blank gradient. 当含水溶剂通过预柱在线净化后，根据空白梯度色谱图可测试有机溶剂的纯度。
- However, they are unstable at high temperatures and were also thought to require aqueous solvents. 不过，它们在高温下不稳定，而且曾认为需要水性溶剂。
- non - aqueous solvent 非水溶剂
- Non aqueous solvent 非水溶剂
- Keywords formamidine sulphinic acid;aqueous solvent process;preparation;yield; 甲脒亚磺酸;水溶剂法;制备;产率;
- Volumetric Properties of Formamide, Acetamide and Urea in Two Kinds of Polar Non aqueous Solvents 甲酰胺、乙酰胺、尿素在两种极性非水溶剂中的体积性质
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Keywords Non aqueous solvents;Layered aluminophosphate;Template;Synthesis;Structure;Racemie;Isopropanolamine; 非水溶剂;层状磷酸铝;模板剂;合成;结构;外消旋体;异丙醇胺;
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- They need the money to stay solvent. 他们需要这笔钱来保持偿付能力。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- aqueous solvent 水相溶剂
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- The hypothetical universal solvent once sought by alchemists. 万能溶剂炼金术士曾一度寻求的假想的万能溶剂
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- The essay introduces the semimicro non aqueous titration method that how to apply glacial acetic acid as solvent and perchloric acid as titrant to test the content of potassium p chlorophenoxyacetate. 介绍了用冰醋酸作溶剂，以高氯酸作滴定剂对对氯苯氧乙酸钾的含量进行测定的半微量非水滴定法。
- We decided to declare them personae non grata. 我们决定宣布他们为不受欢迎的人。
- An aqueous solution of a nonvolatile substance. 溶液不易挥发物质的水溶液
