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Development of a Large Sample Collector of Respirable Particulate Matter.

机译:可吸入颗粒物大样品采集器的研制。

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摘要

A prototype sampler designed to collect particulate matter from air in sized fractions has been designed and tested. The sampler excludes particles above 20micrometers in diameter and collects fractions centered at 3.5micrometers and 1.7micrometers on impaction plates and smaller particles by electrostatic precipitation. The report includes test data,engineering drawings and materials list.

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