substances的例句大全

There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances...

根本没有法规来确保香烟不含有毒物质。

Most of these substances directly result from the industrial, urban and vehicular combustion of fossil fuels.

这些污染物质大部分直接来自工业 、 城市和车辆燃料燃烧.

Coexistence of some immune-endocrine substances in the rat anterior pituitary

大鼠垂体前叶中一些免疫内分泌物质的共存

If the Bombardier beetle feels threatened, its sphincter muscles will squeeze the right amount of chemicals into a certain body part where they are mixed together with other toxic substances.

当放屁甲虫感受到威胁时，它们就会收缩括约肌，将适量的化学溶液挤压进特殊的混合腔。

To assess the safety of several plant-derived substances for fish, the toxicity of them to Carassius auratus was investigated using standardized laboratory procedures.

为全面评价几种植物源提制品的安全性，采用半静态法测定了其对红鲫鱼的急性毒性。

Objective : To prepare purified products ( reference substances ) of tannin Galla Chinensis and formulate their quality standards.

目的: 制备五倍子鞣酸精制品 ( 对照品 ) 及制定质量标准.

Antagonistic substances produced by strain TAS-1 were varied with culture medium and culture condition.

放线菌TAS -1 菌株产生拮抗物质随不同的培养基和培养条件而变化.

The United States has restricted some imports of Chinese seafood because they contain banded ( banned ) substances.

由于中国海鲜中含有一些 违禁 物质,美国已经限制进口某些中国海鲜.

Thermoplastic and thermosetting substances are called plastics.

热塑塑料和热固的物质称为塑料.

These substances with anti-tumor , anti-oxidation , lower pressure, thrombolytic, constipation prevention, prevention of Alzheimer's. prevent osteoporosis effects.

这些物质具有抗肿瘤 、 抗氧化 、 降血压 、 溶血栓 、 预防便秘 、 预防老年痴呆、防止骨质疏松等作用.

The transmutation of the elements was no longer the privilege of the radioactive substances alone.

元素的衍变不再是放射性物质独具的特点.

These are substances that are added to plastics to increase their flexibility, transparency and durability.

这些物质会加入到塑料当中来增加弹性, 透明度以及耐用性.

toxic chemicals/fumes/gases/substances

有毒的化学品 / 烟雾 / 气体 / 物质

Vasopressin is just one of a vast range of substances that regulate behavior.

后叶加压素只是大量调节行为的物质中的一种.

Even the smallest amount of wrong substances could cause complete catastrophe.

即使是极微量的有害物质,也会造成极大的灾难.

Synchronous spectrometry is useful in simultaneous determination of multi-component fluorescent substances.

同步荧光技术是解决 多组分 荧光物质同时测定的良好手段之一.

Some substances are soluble, while others are not.

有些物质是可溶的, 而另一些是不可溶的.

Certain organic substances and compounds that are considered soluble in water do not form true solution.

某些被认为溶于水的有机物和化合物不形成真溶液.

These substances are formed from a mixture of liquids solidifying under great preasure.

这些物质是由强压下凝固的几种液体混合而形成的.

These substances are formed from a mixture of liquids solidifying under great pressure.

这些物质是由强压下凝固的几种液体混合而成的.