查询词典 contamination

In the batch process of chlorination, the byproduct -benzyl bichloride comes out when the benzyl chloride content reaches 20%, which causes low single-pass chlorination depth, high consumption of raw materials, much operation cost, and serious contamination to the environment.

釜式反应生产过程中，氯化苄浓度达到20％时即有副产物二氯化苄产生，使单程氯化深度较低，原料单耗和操作费用高，环境污染较重。

As a universal physical phenomenon, sediment resuspension plays an important role on the biogeochemical cycle of contamination.

沉积物再悬浮作为一个比较普遍的物理现象，对浅海生态系统污染物的生物地球化学循环具有强烈的干扰作用。

The biological analysis results showed: Population Doubling Time of cells was approximately 24 h;Diploid account for 76%～88% in cell's chromosome;By Isozyme analysis of Lactic Dehydrogenase,Malic Dehydrogenase,cross contamination had not taken place;The test results of ...

结果表明：细胞群体倍增时间约为24 h；细胞染色体中二倍体(2n=60)占主体，镜检细胞的百分比为98.2%；乳酸脱氢酶、苹果酸脱氢酶同工酶分析，没有其他物种污染；细菌、真菌、病毒、支原体检测阴性。

The proposed method was suitable for the determination of bismuth in sulfur samples without the risk of environmental contamination

方法满足硫磺样品中微量铋的测定，并且避免了废气对环境的污染。

During the reconstruction, the way of supplying safe drinking water is not too many: bleacher can kill viruses and some bacteria, but it will neither hurt the parasite, nor remove toxic chemicals in the water; heating boil only can eliminate biological contamination.

而在这数年中，可以用来提供安全饮用水的方法并不多：漂白剂能杀死病毒和一些细菌，但不会伤及寄生虫，也不会去除水中的有毒化学物质，加热煮沸只会消除生物污染。

Objective To explore the way in reducing contamination of blood platelet with bacterium for enhancing the safety in clinical use of platelet.

目的 探讨减少血小板细菌污染的方法，以提高临床输注血小板的安全性。

Finally, in Chapter 4, we discuss the issue of line contamination in bolometer measurement.

最后，我们注意到谱线发射对宽带连续谱的污染是个不容忽视的问题，这在大质量恒星形成区表现尤为突出。

But in brewing, transportation and storage of a series of process, vulnerable to botulism contamination.

但在酿造、运输和储存等一系列过程中，极易受到肉毒杆菌的污染。

Thought to be caused by contamination with "brett"-.

被认为是造成污染的"外交部"。

Alternatively, such dedicated areas should be surrounded by a buffer zone in order to minimise the risk of contamination of other manufacturing areas.

另外的方法是，对这样的特定区域要建立一个周围的缓冲区，以避免对其他生产区域带来的污染的风险。

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！