Always keep food covered to prevent contamination by flies.

Heavy metals contamination is the main type of soil contamination.

重金属污染是土壤污染的主要类型之一.

Cleaning cooking surfaces and cooking food completely reduces the risk of bacterial contamination.

保持炊具表面洁净,将食物彻底蒸煮减少细菌感染.

Heavy metal contamination of terrestrial environment has been significant issue for people more recently.

重金属污染正日益受到人们的关注.

ACN contamination could result in the disharmony of calcium homeostasis of liver in rats.

结果认为丙烯腈能显著地抑制大鼠肝脏Ca2+-ATPase和激活磷酸化酶A的活性,可导致大鼠肝脏钙稳态的失调.

Objective In order to explore the status of environmental contamination in traffic toll gate.

目的探讨道路收费站作业环境污染程度.

The resource and mechanism of carbon contamination analyzed during metal uranium and its alloys melting.

分析了熔炼过程中的铀和铀合金的碳污染源和污染机理.

Lead is an ancient metal. It causes contamination of air, water and soil, locally and worldwide.

铅是一种古老的金属,它可引起空气 、 水、土壤等环境污染.

In this paper, carbon contamination mechanisms and various cleaning available were discussed.

本文综述了同步辐射碳污染的形成机制,对各种清洗方法分别给予分析和介绍.

The new plastic incise drape could reduce incision and inner incision contamination.

新型切口保护膜能有效减少切口及切口内的污染.

It is usefull to the design of the hydraulic contamination control system.

本文的实验和理论研究对液压污染控制系统的设计具有指导意义.

Heavy-metal contamination By heavy metals or their compounds caused by environmental pollution.

重金属污染由重金属或其化合物造成的环境污染.

We believe any level of contamination is unacceptable.

我们认为任何污染物都是不可接受的.

The other part is just contamination.

其他部分只是污染之物而已.

In recent years , the mechanism of contamination and its control by microbiology have been studied systematically.

是我国最早从事环境水文地质和地下水资源管理研究的学者之一.

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.

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.

Contango incentivizes those who can afford to hold oil to hold on to it.

“升水”刺激那些能负担得起的人把石油握在手里.

Those higher charges ought to be reflected in higher priced forward oil contracts, steepening the contango.

这些成本上升应当会反映在远期合约价格上涨中, 从而导致期货升水幅度扩大.