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["기체가 얼마나 톤으로 사용되었는지 어떻게 확인하나요?", "예를 들어 트럭에 담긴 11MPa의 질소가 사용된 후 압력이 whatMpa로면 얼마나 많은 톤의 질소가 사용되었는지 어떻게 계산하나요?",,"사용 전후로 무게를 체크하면 간단하고 정확합니다",,"PV=nRT 공식을 사용하여 nn=n=m/M",,"MPA의 시점에 질소의 밀도를 계산하거나 확인한 후 mm=pv",,"간단해졌지만 이건 어떤 학*가 필요하지 않나요?",,"이 공식을 알지만 어떻게 사용하는지 아직 이해가 가지 않아요!"]

2020-04-23View Original

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比如一罐车10Mpa的氮气,利用之后压力还有2Mpa ,怎么计算用了多少吨氮气?
Reply #22020-04-23
使用前后称重,简单准确
Reply #32020-04-23
PV=nRT计算,n=m/M
Reply #42020-04-24
计算出或查出2MPA时氮气密度,m=pv
Reply #52020-04-24
简单是简单了,这不是要什么学*吗?
Reply #62020-04-24
知道这个公式,还是不太明白怎么用!

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