A new method for determining the bromine content in brominated polystyrene was studied.提出了测定溴化聚苯乙烯中溴含量的方法.Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary all...
The number of cationic bromine and chlorine compounds is restricted.溴、氯阳离子化合物的数量受局限.Derivatives of bromine are much more active than the corresponding one of chlorine.溴的衍生物的活性要比相应的氯的衍生物大得多.The existing bromine in acetic ...
They travelled westwards.他们向西旅行。Economists warn that enormous pressures could build up, forcing people to emigrate westwards.经济学家警告，迫使人们向西部迁移的压力可能会增至很大的程度。They turned westward / westwards after crossing the river.他们过河以后向...
It's a very finicky job.这是个很细致的工作。finicky about dress对服饰过分讲究Eat up your fish and don't be so finicky.把你的鱼吃完,别太挑剔了.Even the most finicky eater will find something appetizing here.即使是最挑剔的食客在这里也会找到让人胃口大开的美食。Eat up...
Stricter controls were placed on the content of video films.对录像片内容实行了更为严格的监管。You ought to be stricter with him. He's very naughty.你对他应更严格, 他太淘了.From now onwards my teacher will be stricter.从此我的老师会更加严格....
The proceeds of the arms sales were then funneled to Contra fighters in Central America...出售武器所得的收入随后用来支持了中美洲的反政府武装组织。He funneled the oil into the bottle.他用漏斗把油注入瓶中.The large crowd funneled out of the gates after the foo...
At this point in his reverie Mary nudged him, perceiving that his mind was absent.正想到这里,玛丽看他灵魂出窍的样子, 就用胳膊肘轻轻擦了他一下.Finally these pass away, and the perceiving consciousness has full sway.如此这些来了又去, 形成了知觉意识完整的摇摆.He uttered ...
The alphabet might be more rational if all the vowels came first.如果把所有的元音列在前面，字母表可能会更为合理一些。The modern Russian alphabet has 31 letters.现代俄语字母表有31个字母。Q comes between P and R in the English alphabet.英语字母表中，Q在P和R之间。...
Groats protein contents range up to 19 %.去壳燕麦的蛋白质含量可达19%.However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓.Receptor protein ...