Many toxic effects can be studied at the cellular level .

许多 毒效可以从细胞层次上去研究。

This method has already applied to determination of toxic mercury element in coating .

该方法已应用于涂料中 有毒汞元素的测定。

Up to 10 million tonnes of toxic wastes are produced every year in the UK .

英国每年会产生多达1万吨的 有毒废弃物。

The blast sent a huge mushroom cloud of toxic gas into the air .

爆炸冲击波使含有 有毒气体的蘑菇云腾空而起。

Among the common toxic gases are sulfur dioxide methane the oxides of nitrogen ammonia hydrogen sulfide and hydrogen cyanide ; and ( most commonly ) carbon monoxide .

常见的 有毒气体有二氧化硫、甲烷、氧化氮、氨、硫化氢、氰化氢以及最常见的一氧化碳。

These products are not toxic to humans .

这些产品对人类没有 毒性。

Accumulation of toxic substances in the biosphere is causing serious changes in the structure and function of natural ecosystems .

生物圈内 有毒物质的积累，造成了天然生态系统的结构与功能的严重变化。

Brand perfumes are genuine and completely natural and safe fragrances free from harmful chemical ingredients and toxic synthetics .

品牌香水是真正的和完全的自然和安全的香水，免受有害的化学成分和 有毒合成。

The toxic effects of diquat and adrenocortical hormone on ductus arteriosus of rat fetus were studied in this paper .

本文研究了 敌草快和肾上腺皮质激素对胎鼠动脉管的收缩作用。

A toxic white soluble crystalline acidic derivative of benzene ; used in manufacturing and as a disinfectant and antiseptic .

一种白色的 有毒可溶性晶状酸，苯的衍生物，用于制造和作消毒剂和杀菌剂。

Toxicologists research the toxic effects products and ingredients have on living organisms .

毒理学研究的产品和成分的 毒性作用，对生物。

He has found that smoke and toxic gases can be transported swiftly up through the atrium .

他发现烟和 毒害性气体可通过中庭迅速向上传播。

The quality or condition of being toxic or destructive to the liver .

肝 中毒对肝 有毒的或毁灭性的性质或状况。

There is a risk that toxic chemicals might be blasted into the atmosphere .

爆炸后 有毒化学物质可能会进入大气层。

We are going to wipe out the city 's toxic waste .

我们将消灭城市中 有毒废物。

Lead can accumulate in the body until toxic levels are reached .

铅会在体内积聚直至造成铅 中毒。

Derived from or containing toxic matter .

从 有毒 物质中获得的或含有 有毒物质的。

Unlike carbon monoxide gaseous hydrocarbons at concentrations normally found in the atmosphere are not toxic ;

和一氧化碳不一样的是，在空气中常被发现的气体状的浓缩碳氢化合物是 无毒的；

Nitrite is a substance that is toxic to fish and invertebrates .

亚硝酸盐是一种 有毒物质，对鱼类和无脊椎动物 有毒。

Microbes can take toxic substances in contaminated soil and convert them into harmless byproducts .

微生物能从被污染的土壤中吸收 有毒的物质，把它们转化成无害的副产品。

Are they metabolized to more toxic compounds .

它们是否被代谢成 毒性更强的化合物？

Unfortunately these drugs are quite toxic and hinder the body 's ability to fight off infection

可惜的是，这些药物 毒性很大，会削弱身体对感染的抵抗力。

As we all know tobacco contains many toxic substances such as nicotine and tar .

正如我们所知，烟草中含有许多 有毒物质，如尼古丁和焦油。

The vapour of the chlorine and iodo compounds in particular can be toxic .

氯和碘的化合物的蒸气是 有毒的。

An investigation revealed that toxic wastes had leaked into the ground and contaminated the water supply .

一项调查显示， 有毒的废弃物渗进了土壤，污染了水源。

A new centre for research on toxic waste was inaugurated today at Imperial College .

新建的 有毒废物研究中心今天在皇家学院举行落成典礼。

Poisoning and pollution by toxic elements or compounds such as mercury or dioxins that are released during incineration .

有毒元素或化合物，如汞或焚烧过程中释放的二恶英所导致的中毒和污染。

Food additives and preservatives may have a long-term cumulative toxic effect .

食物添加剂和防腐剂长期食用却可产生累积 毒性效应。

I have a decent amount of knowledge on ingredients and toxic chemicals .

对于产品成分和 有毒化学物，我也有一定的了解。