It is possible to use a plutonium foil as a filter to remove the second-order contamination . 可用钚箔作为过滤器消除二级干扰。
Even slight contamination could affect film thickness to a considerable degree . 即使存在一点污染物就会对液膜厚度产生一定程度的影响。
Little girl, a memory without blot or contamination must be an exquisite treasure . 小姑娘，一个没有污迹或污点的记忆一定是个美妙的宝贝。
The second general problem of cell fractionation is the contamination of each fraction by others . 细胞组分分离的第二个普遍问题是各组分的相互掺杂。
Unfortunately, elemental analysis will not yield any information as to the extent of contamination by urea . 不幸的是，元素分析不能指出夹杂尿素的程度。
Contamination is a continual worry even in the cleanest equipment and the most favourable experimental situation . 甚至在有最清洁的设备和最好的实验条件时，沾染也是一个始终存在的问题。
Many conservatives resurrected traditional isolationism, protecting american moral purity against contamination by the expedient . 许多保守党人使传统的孤立主义复活，维护美国伦理的纯洁不受权宜之需的感染。
She had taken the two letters from the man's hands between the folds of her capacious apron so as to save them from the contamination of the stew . 她用那条宽大围裙裹着手，从那个人手里接过了这两封信，以免它们被炖肉的油弄脏。
The jet engine requires a huge scavenging system sometimes using half as much power as the tunnel itself in order to keep contamination low . 喷气发动机试验要求庞大的排气清除系统，以减轻污染，该系统有时要耗去风洞本身功率一半之多。
Part iii : radiation contamination and lessons learnt 第三篇：辐射污染及事故启示
