The flotation and filtration test of Ximing coal were studied by using 7 kinds of PAM as additives.

采用7种型号的聚丙烯酰胺作为添加剂，对西铭煤进行了浮选和过滤试验。

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Experts say China has lengthy and strict procedures to test whether ingredient are safe to use as additives.

专家称，中国检测作为食品添加剂的成分是否安全还有一个漫长和严格的过程。

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As additives of electrode materials and electrolytes, the carbon can improve the capacity and cycle life of battery.

碳作为正负极活性物质和电解液的添加剂能提高蓄电池的容量和循环寿命。

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French government scientists found that Mr Mas' implants contained the chemicals baysilone, silopren and rhodorsil - normally used as fuel additives or in the manufacture of industrial rubber tubing.

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However, these modified celluloses require large amounts of petroleum-based additives such as plasticizers, which results in bioplastics with a low plant component ratio and poor durability, including heat resistance and water resistance.

ENGADGET: NEC builds a better bioplastic from plant stems and cashew nut shells

All meals are prepared in a normal manner -- without any additives, such as vitamins.

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