大量碳氢化合物如苯并芘也是诱变剂.A large number of hydrocarbons such as benzopyrene are also mutagenic.Fuson和Josien在 取代的苯并蒽类化合物的研究中验证了这一点.This has been confirmed by Fuson and Josien in studies on substituted benzanthracenes.目的: 采用高效液相色谱...
A scholastic work is to have a useful bibliography at the end of each chapter or the whole book.学术著作应该在每一章或全书之后附有一份参考书目....an annotated bibliography.附有注释的参考书目At the end of this chapter there is a select bibliography of u...
表1.15显示出哪些省份在1910至1920年间人口减少了。Figure 1.15 shows which provinces lost populations between 1910 and 1920.1918年，这个前沙皇统治的省份中占了多数的罗马尼亚人投票赞成与罗马尼亚合并。In 1918 the Romanian majority in this former tsarist province voted for union ...
What he once took as boldness he will now judge as foolhardiness.他以前认为的勇敢现在觉得是有勇无谋。The single - arch flying Buttresses at the eastern end are notable for their Boldness and grace.东侧的单拱飞扶垛以雄健优雅着称.It is our duty to cultiva...