contamination的例句大全

Pesticide residues have constituted a significant source of contamination of environments.

农药残留已经成为环境污染的一大重要来源.

No conditions exist that predispose the product to external contamination.

在任何情况下不允许将产品暴露于外界的污染物.

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.

We must ensure our children against contamination by bad ideas.

我们必须保护我们的儿童不受坏思想的侵蚀.

Also, be sure all insulators are kept clean and free of contamination.

而且, 还要确保所有的绝缘体清洁、不受污染.

Wash everything thoroughly to avoid contamination with bacteria.

把所有东西都彻底洗净以避免细菌污染.

By bathing in unclean water, they expose themselves to contamination.

在不干净的水中洗澡，他们可能会受到感染。

The packaging must provide an effective barrier to prevent contamination of the product.

包装必须提供有效的保护，以免产品受污染。

The contamination and hazard of lubricating oil in engine running-in time was analyzed.

分析了发动机生产线磨合油的污染及危害；

Controlling contamination in rooting culture of Dendrobium nobile Lindl in vitro

石斛兰生根培养过程污染的控制研究

Ballard's President David Ballard said the company has temporarily suspended producing egg salad while it investigates the contamination.

该公司总裁戴维·巴拉德表示，公司方面正在对此次细菌污染事件进行调查，并且还暂时停止了鸡蛋沙拉的生产。

Survey of contamination and efficacy of washing and disinfection of bedding in hotels

旅店业卧具污染及清洗消毒效果调查

First, I analysed the trace, poisonous organic contamination, both qualitatively and quantitatively, by mass spectrometry ( GC/ MS) and gas chromatography, using an electron capture detector ( GC/ μ-ECD).

首先，利用化学仪器（GC-MS和GC-μECD）分析方法，根据不同的色谱条件对有机有毒微污染物进行了定性和定量分析，确定了这些物质的种类和浓度。

Second, it will help protect the inlays, purflings, and the rosette from color contamination due to the oils and dyes in the back and sides of the classical guitar.

其次，它会保护镶嵌，内饰线和音孔饰圈等不会相互染色，特别是来自背侧板的油脂和颜色。

The process can reduce the cost of purification by 60%, avoid contamination from conventional acid cooking process effectively, and realize good environmental and economic benefits.

该新工艺的实施，可降低提纯成本60%，有效避免了传统酸煮工艺带来的严重的环境污染，经济效益与环境效益显著。

Moreover, to investigate the interaction of carbon film and grid surface contamination ( i.e. barium oxide), two types of samples were prepared as follows: BaO/ Mo and BaO/ C/ Mo.

此外，为研究C薄膜与栅极表面污染物BaO的作用，制备了两种不同结构的样品：BaO/Mo和BaO/C/Mo。

Study on Nitrogen Contamination of Groundwater in Municipal Dumping Site and its Main Form

城市垃圾堆放场地下水的氮污染及其存在形态

Evaporate the test fluid with a gentle stream of dry air. Such as baking oven or electric blower without any organic contamination.

用温缓的热气流将光片上测试液蒸发。如不产生任何有机污染的局炉或热吹风。

Torvald regard Krogstad as a source of moral contamination.

Torvald把Krogstad看作是道德败坏的人.

When mechanical contamination is completely eradicated in the process of wheat seed reproduction by the technology of no-removing the off-types, the purity of foundation seeds and certified seeds are mainly determined by two factors of the breeder seed purity and the natural cross-pollination rate.

采取免去杂技术繁殖小麦种子时，决定所繁殖原种和良种纯度的2个主要因素是繁殖种纯度和品种天然异交率。