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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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timetables of sunrise,sunset,moonrise and moonset
Tim Etchells
time-temperature equivalence principle
time temperature equivalent principle
time-temperature equivalent principle
time-temperature index
time-temperature-stress equivalence principle
time-temperature transformation diagram
time-temperaturetransformation diagram
time-temperature transformation diagram,3T diagram
time tick
time to amplitude convertor
time to digital converter
time-to-failure measure
time to first fix
time-to-go
time to live
time to peak concentration
time transfer
time transfer GNSS receiver
time transformation
time translation
time translation invariance
time translation operator
time trend
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