chemicals

You must be careful when handling chemicals.

接触化学药品必须小心谨慎。

Perfume interacts with the skin's natural chemicals.

香水和皮肤的天然化学物质相互作用。

Nitrates are chemicals that occur naturally in water and the soil.

硝酸盐是水和土壤中自然存在的化学物质。

Use of these chemicals may present a fire risk.

使用这些化学品可能有失火的危险。

Certain chemicals are easily absorbed into the bloodstream, while others are not.

某些化学药品很容易溶于血液, 有些则不行.

The fission of the cell could be inhibited with certain chemicals.

细胞的裂变可以通过某些化学药品加以抑制.

The land has been completely poisoned by chemicals.

土地已被化学品彻底污染。

The levels of chemicals in the river are not insignificant.

河水中的化学物质含量不容忽视。

Protective gloves reduce the absorption of chemicals through the skin.

防护手套可以减少皮肤对化学物质的吸收。

An imbalance in certain chemicals leads to disturbances in the brain's function.

某些化学成分失衡会道致大脑功能的紊乱.

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。

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。

This chemical has a wide range of industrial uses.

这种化学制品在工业上用途广泛。

The technique has been to mutate the genes by irradiation or chemicals.

该技术是通过放射线照射或者使用化学方法使基因变异。

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。

minute amounts of chemicals in the water

水中含量极小的化学成分

A ban was imposed on the use of chemical weapons.

化学武器已被禁止使用。

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。

Heavy industry pollutes our rivers with noxious chemicals.

重工业产生的有毒化学品会污染我们的河流。

These chemicals modulate the effect of potassium.

这些化学物质可以调节钾的功效。

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。

What is the chemical symbol for copper?

铜的化学符号是什么？

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。

Chemicals were pointlessly poisoning the soil.

化学品在无谓地污染着土壤。

The country has not forsworn the use of chemical weapons.

该国并未保证禁用化学武器。

Scientists tried out thousands of chemicals before they found the right one.

科学家们试验了数千种的化学药品才找到一种合适的.

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。

Certain chemicals can induce undesirable changes in the nervous system.

有些化学物质能在神经系统中引起不良变化.

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。