>
化学
>
mg/m3和ppm之间怎么换算
人气:387 ℃ 时间:2020-01-30 08:04:49
解答
浓度单位ppm是同度量比值,百万分之一;mg/m3是质量体积浓度.两者可以换算,必须知道相应状态(温度、压强)下溶质、溶剂的密度.看了有很多介绍的换算公式理解可能会误导.
推荐
ppm、mg/L和mg/m3之间都怎么换算?
ppm换算mg m3,
怎么将mg/M3换算为PPM?
单位ppm和单位mg/m3之间如何换算?
浓度单位ppm与mg/m3的换算:按下式计算:
must后面跟动词原形吗?
how many students are there in your ciass?还有把着问句回答了
若方程3x−2=ax+4x(x−2)有增根,则增根可能为( ) A.0 B.2 C.0或2 D.1
猜你喜欢
用长3分米宽2分米的长方形瓷砖能否不成正方形?如果能这个正方形的边长最小是多少分米?至少需要多少块这样的瓷砖?
岑参的一首古诗
Can you tell me how I can get to the police station?这句子对吗?分析下下
Have you asked her for the reason____may explain her absence?横线上的答案除了填that 能不能换成which
The primary working hypothesis was that motion preservation would reveal beneficial effects with regard to adjacent leve
what colour is Davad's trousers?怎么改错?
记叙文顺序有哪些 (指时间顺序等的)
教师怎么写好课时计划(教案)?
© 2026 79432.Com All Rights Reserved.
电脑版
|
手机版