chemicals

Some Negative Effects of Agricultural Chemicals on Crops and Human Health

农用化学制品对作物和人体健康的负效应

They produce artificial chemicals which exactly imitate particular natural ones .

他们生产酷似某些天然物质的人造化学制品。

Use of these chemicals may present a fire risk .

使用这些化学品可能有失火的危险。

You can ask for a chemical analysis of your tap water .

你可以要求给你的自来水做化学分析。

This chemical has a wide range of industrial uses .

这种化学制品在工业上用途广泛。

The chemicals pose little risk to human health .

这些化学药品对人类健康没有什么危害。

Our eyes were burning from the chemicals in the air .

空气中弥漫的化学物质熏得我们的眼睛火辣辣地痛。

The company has evolved into a major chemical manufacturer .

这家公司已逐步发展成一个主要的化工厂。

A ban was imposed on the use of chemical weapons .

化学武器已被禁止使用。

When it comes to pollution , the chemical industry is a major offender .

谈到环境污染问题，化工产业是一大祸害。

What is the chemical symbol for copper ?

铜的化学符号是什么？

The levels of chemicals in the river are not insignificant .

河水中的化学物质含量不容忽视。

The country has not forsworn the use of chemical weapons .

该国并未保证禁用化学武器。

Chemicals are injected into the fruit to reduce decay .

水果注入了化学药品以防腐坏。

The fruit is injected with chemicals to reduce decay .

水果注入了化学药品以防腐坏。

You must be careful when handling chemicals .

接触化学药品必须小心谨慎。

The factory was fined for discharging chemicals into the river .

这家工厂因往河里排放化学物质而被罚款。

Perfume interacts with the skin 's natural chemicals .

香水和皮肤的天然化学物质相互作用。

Clouds of toxic fumes escaped in a huge chemical factory blaze .

从化工厂熊熊烈火中泄漏出团团有毒气体。

Chemical weapons are banned internationally .

国际上禁止使用化学武器。

The chemical structure of this particular molecule is very unusual .

这个特殊分子的化学结构很不寻常。

The Department maintains many close contacts with the chemical industry

这个部门与化工行业保持着众多密切的联系。

A score of countries may be producing or planning to obtain chemical weapons

大概有20个国家可能正在制造或计划获取化学武器。

The food industry was given a green light to extend the use of these chemicals

食品业获准继续使用这些化学品。

Any progress in reducing chemical weapons is welcome .

削减化学武器的任何进展都是受人欢迎的。

A vitamin is a chemical compound that cannot be synthesized by the human body .

维生素是一种人体无法合成的化合物。

He said chemical weapons had never been sited in Germany .

他声称从未在德国部署过化学武器。

Members of an environmental group are staging a protest inside a chemical plant .

一个环保组织的成员正在一家化工厂里举行抗议活动。

In the short term , chemical sprays are clearly an effective way to control pests

从短期来看，喷洒化学药品显然能有效控制虫害。

Organic food is unadulterated food produced without artificial chemicals or pesticides .

有机食品是未使用人工化学制剂和杀虫剂的纯净食品。