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dc.contributor.authorTsai Chuen-Jinnen_US
dc.contributor.authorLiu Chun-Nanen_US
dc.date.accessioned2014-12-16T06:15:01Z-
dc.date.available2014-12-16T06:15:01Z-
dc.date.issued2013-02-14en_US
dc.identifier.govdocG01N001/22zh_TW
dc.identifier.urihttp://hdl.handle.net/11536/105079-
dc.description.abstractA multi-filter PM 10-PM 2.5 sampler which enable the simultaneous collection of four PM 10 and four PM 2.5 samples is disclosed. The sampler is provided with a PM 10 impactor to remove coarse particles and operates at 33.4 L/min. After the PM 10 impactor, the aerosol flow is divided by half by a branch pipe. Half of the flow is directed into four PM 10 cassettes, while the other half is directed into four PM 2.5 cassettes after the aerosols are further classified by a PM 2.5 impactor. To ensure the aerosol flow uniformly passes through each of the four PM 10 or four PM 2.5 cassettes, an orifice plate is assembled behind each of the filter cassettes to increase the pressure drop, such that the flow rates of eight sampling lines are nearly equal.zh_TW
dc.language.isozh_TWen_US
dc.titleMULTI-FILTER PM 10-PM 2.5 SAMPLERzh_TW
dc.typePatentsen_US
dc.citation.patentcountryUSAzh_TW
dc.citation.patentnumber20130036837zh_TW
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