Evaluation of size-selective presamplers. I. Theoretical cyclone and elutriator relationships.
D000397:Air Pollution / Q000032:analysis* / Q000295:instrumentation; D004391:Dust / Q000032:analysis*; D011009:Pneumoconiosis / Q000209:etiology; D012119:Respiration; D013223:Statistics as Topic
D004391:Dust