First indicators may be the sudden appearance of powders, liquids or strange smells within the building, with or without an immediate effect on people.

第一手迹象可能只是建筑物内突然出现的粉末、液体或奇怪的气味，对人员伤害不一定显著。

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Any material that is Raman-active and fits within the sample chamber of the instrument can be measured. Typical samples include powders, liquids and polymers.

任何拉曼有效并且适合该设备样品腔的材料都可以被测量。 典型的样品包括：各种粉尘、液体和聚合物。

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It is applicable for agitation and dispersion of two or more kinds of liquids or powders.

双轴分散机适用于二种或多种液体和粉状物料搅拌和分散。

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The echinacea sold in drugstores comes in a wide range of liquids, pills, powders, and tinctures, which can be derived from some combination of the plant's root, flower, or stem.

CNN: Echinacea fails to curb the common cold (again)