This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.Thus the term dialkyl carbonate includes, for example, methyl ethyl carbona...
Diaryl nitroxides are even more stable than the dialkyl nitroxides.二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定.The immediate products of this reaction are alkali - metal derivatives of dialkyl phenylmalonates.此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物.Th...
She picked up a pink flower from a foxglove.她从毛地黄上摘了一朵粉花.Foxglove can cause heart failure.毛地黄会引起心脏衰竭.The common or pop purple foxglove produces pretty flowers along stamp leafy stem called a spike.普通紫色的毛地黄会开出沿着多叶的茎生长的好看的...
He will not easily forget his grievance.他不会轻易忘掉他的委屈.The main grievance of the drivers is the imposition of higher fees for driving licences.让驾驶员深感不满的是驾驶执照收费的提高。They had a legitimate grievance.他们的抱怨是合乎情理的。...
这架显微镜能把物体放大二百倍.An object was magnified 200 times by the microscope.阿福威风百倍道: “ 你有种出来!" Come out here if you have the guts!'shouted Ah Fu with exaggerated authority.九寨沟风光之美, 实际上百倍于这样的描绘.The scene, actually is much mor...