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1·A registration certificate of the foreign substance is valid within 1 year.

外来物质的登记证在1年内是合法的。

2·To combat the foreign substance, the immune system releases a chemical called histamine.

为了抵抗这种外源性物质，免疫系统释放一种称为组胺的化学物质。

3·Even with a similar tissue match, the body still treats the new heart as a foreign substance.

甚至组织型相配，人体仍然把新心脏当做外来物对待。

4·Normally, t cells are activated by a complex series of signals that end with the destruction of the foreign substance.

正常情况下，T细胞会被复杂的信号系统激发，最终将异物消灭。

5·Injecting yourself into the bloodstream of another culture, another world, as like asking to be treated as a foreign substance to that country's system.

只身投入另一种文化流之中，融入另一个时间，自己被那个国家的系统就像是当做了一种外部物质一样。

6·Have functions such as escaping from the gas, dehydration, taking off foreign substance, taking off acid, breaking emulsification, getting rid of a foam.

具有脱气、脱水、脱杂质、脱酸、破乳化、除泡沫等功能。

7·Because coal for power generation varies widely and has high foreign substance content and low grindability, the life time of the rollers in medium speed pulverizer is shortened.

由于发电用煤种类多、杂质含量偏高，可磨性较差，造成中速磨煤机磨辊耐磨寿命缩短。

8·Objective To establish a kind of method for using high-performace liquid chromatography to measure macromolecules foreign substance in dispersible tablets of Penicillin V Potassium.

目的：建立一种高效液相色谱法测定青霉素V钾分散片的高分子杂质的方法。

9·Purified liquor means liquor which has no or few foreign substance harmful to people′s health, contains no flavour components and has its particular production mode and quality standard.

纯净酒即指不含或基本不含对人体有害的杂质的酒，不含呈香呈味的物质成分，有独特的生产工艺和质量标准。

10·Accomplish a vacuum thereby filtering oil machine prompt eliminate oil middle foreign substance, water share, the entire proceeding of gas, besides making clean oil discharge machine from exit.

从而完成真空滤油机迅速除去油中杂质、水份、气体的全过程，使洁净的油从出口处排出机外。