The compound dry process for coal cleaning of differs from conventional one in separation mechanism, efficiency, quantity of air required, and dust collection system.

复合式干法选煤突破了传统风力选煤的模式，在入选机理、分选效果、用风量及除尘工艺等方面与传统风力选煤均不同。

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The delivering powder implement ADAPTS to the research of small quantity compound materials, which provides the further research.

该送粉系统尤其适合于小批量复合材料的试制，为进一步的实验研究打下良好的基础。

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The invention relates to a parenteral preparation containing the effective quantity of a compound shown as right formula I, water and isotonic agent.

本发明涉及一种含有有效量的右式I化合物、水和等张剂的肠胃外制剂。

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Dioxin, which is fat soluble, has a "half-life" of seven years in the body: It takes that long to break down half the quantity of the compound.

CNN: THE GREAT DIOXIN SCARE