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滤膜质量法
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滤膜质量法
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滤膜质量法
释
filter mass method
滤膜质量法
采集一定体积的含尘样品,将粉尘阻留在已知质量的聚氯乙烯纤维滤膜上,根据采样后滤膜的增量及采样体积,求出单位体积空气中粉尘质量的方法。
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MA model
MA model 「= moving-average
Mamoru Oshii
Mamou
Mamuran Zhixie Jiaonang
MaMV-DC
Ma Myakalay
MAN
Man
mana
Manabendra Nath Roy
Manabu Ito
managed care
managed object
managed pressure drilling
managed trade policy
management
management and administration of agricultural enterprise
management and control integration
management and control of safety production in mine
management and cultural industries department of museum
management and maintenance separation
Management and the Arts
management and treatment for severe mental illness:Code of practice
management approach
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