foreign substance

用法例句

Something added that lowers value or purity.

掺杂物，杂质能使原物降低成色、纯度的添加物

A substance that adulterates.

掺杂物掺有杂质的物质

To get rid of impurities,blemishes,muddiness,or foreign matter.

去除杂质、污渍、污泥或其它杂物

tramp-iron magnetic separator

铁质夹杂物磁力分离器

the adulterating effect of extraneous materials.

其他物质掺杂的结果。

synthesis of more complex substances from simpler ones.

从简单物质合成复杂物质的过程。

Nature of Impurities, Including Isomers and by Products

杂质包括异构体与副产物的性质

When a donor or an acceptor impurity is added to a semiconductor, we say that the material has been "doped".

当半导体中加入了施主感受主杂质，我们就说该物质“掺杂”了。

reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities.

使变得精细无杂质或处于纯状态；从异物中分离或使混杂物纯净。

Inspection of vegetable oils--Methods for determination of foreign matter

GB/T5529-1985植物油脂检验杂质测定法

To rid of impurities, blemishes, muddiness, or foreign matter.

使完美去除杂质、污渍、污泥或外来事物

Harmful chemicals from the cloud are mixing with rainfall.

云中有害的化学物质跟雨混杂在一起

a film of impurities or vegetation that can form on the surface of a liquid.

在液体表面形成的杂质膜或植物层。

Free of Dirt, Contamination, Radiation and Explosives or other Impurities.

无污染、放射、爆炸物或其它杂质。

They blend the substance in with the others

他们把这种物质与别的掺杂在一起。

Composed of a variety of substances.

混杂的由各种不同物质构成

ADSORPTION, ACIDITY AND PHYSICO-CHEMICAL PROPERTIES OF HETEROPOLY ACID CATALYSTS

杂多酸催化剂的吸附、酸性和物化性质

Synthesis and Characterization of Heteropoly Compounds in Halogen Medium;

卤素介质中杂多化合物的合成与表征