用户堆栈y_159 -地球江南体育网页版科学交流江南电子竞技平台 最近30从www.hoelymoley.com 2023 - 07 - 10 - t21:41:58z //www.hoelymoley.com/feeds/user/22335 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/21147 5 颗粒物的浓度是如何计算每立方米吗 y_159 //www.hoelymoley.com/users/22335 2021 - 04 - 21 - t14:06:43z 2021 - 05 - 03 - t17:58:45z < p >我有一些数据关于PM10、PM2.5,我。e,每天产生多少钱(kilotonnes)被一些部门,从车辆的排放。它可以转换为微克,但我不知道标准程序/设备每立方米计算这些值。它是该地区的质量除以体积这些组件可以确定吗?如果是的,那么怎么可能在一个开放的空间?城市的面积是有道理的,但体积不。< / p > //www.hoelymoley.com/questions/21147/how-is-the-concentration-of-particulate-matter-calculated-per-cubic-meter/21150?cid=49815 # 21150 通过y_159评论颗粒物的浓度是如何计算每立方米 y_159 //www.hoelymoley.com/users/22335 2021 - 04 - 22 - t12:06:41z 2021 - 04 - 22 - t12:06:41z thanks for answering but I still don't understand how the standard devices calculates it? and so are you saying if i have PM10 value in unit kilo tonnes/day. It is impossible to convert it into micro grams/meter cube mathematically?
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