Oxidized wax modified by amidation reaction to produce acylamide with better physical and chemical properties.氧化蜡经过胺改性可以得到具有更佳物化性能的脂肪酸酰胺.A new leather fatliquor product was synthesized by amidation, esterification and ne...
As for any inconvenience and deleting it! Thank you for your cooperation!加我即洽谈合作,无合作意向勿扰!如给您带来不便,删除即可! 谢谢合作!Note: Use APPEND to avoid deleting the existing content of the file.注意: 使用APPEND避免删除文件的现存内容.To alter ( a legisla...
Halogen atoms contain seven electrons in their valence shell.卤原子在它们的介电子层含有七个电子.Hydrogen is a one - valence element.氢是一价的元素.Evaluate the evenhanded affirms valence can reflect investment both sides more, justice.评估确认价更能体现...
这家航空公司亏损达3,500万美元，而澳航出资帮助其摆脱了困境。The airline had losses of $35m and was bailed out by Qantas.你不得不承认，你事实上是陷入了困境。You have to admit that you are, in fact, in difficulties.该国的经济困境阻碍了其科研机构的工作进展。The country's economic plig...