石墨甚至其线性类似物, 聚 ( 名聚-苯撑 ) 都是极难溶解的.Graphite and even its linear counterpart, poly ( p - phenylene ) are too insoluble.正和它们的低分子量的类似物一样,微量的酸或碱常能促进聚合物的水解.Hydrolysis of polymers if often catalyzed by traces of acids or bases.石墨...
他说:“我从未故意将任何病人置于不必要的风险境地。”"I have never knowingly exposed any patient to needless risks," he said.为什么我们要为酒吧和宾馆不必要的暖气开支买单呢?Why do we pay to overheat pubs and hotels?对鲸的野蛮屠杀既不必要也不人道。The barbaric slaughter of whales is unne...
然后通过大量实验筛选出两种有效添加剂环丁砜和六次甲基四胺.Following that, two effective additives - syclotersuphone and methenamine are found by series experiments.我们来讨论六亚甲基四胺.We examine the study of hexamethylenetetramine.以氨水、氯乙酸为原料,以六亚甲基四胺为相转移催化剂,...
You'll be amazed at the culinary creations possible in a Dutch oven.荷兰烤箱能够做的食物之多会让你感到惊奇。We were amazed, shocked, dumbfounded, shaking our heads in disbelief.我们震惊、愕然、目瞪口呆,难以置信地摇着头。I'm amazed they had the cheek t...
A mole can undermine the strongest rampart.一只田鼠能毁坏最坚固的堡垒.Perhaps the tower is part of the rampart of the city.这城楼或许就是城墙的一部分。Yes, an iron rampart, " he repeated, relishing his phrase.是的, 就是铜墙铁壁, " 他很欣赏自己用的这个字眼,又重复了一遍....
展现在我眼前的是充满诗情画意的生活。I saw before me an idyllic life.有很多让你展现创意的机会。There's lots of room to express yourself creatively.通过一系列倒叙展现出了导致谋杀的各个情节。The events that led up to the murder were shown in a series of flashbacks....