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真空度に関する問題

2015-07-14View Original

Thread Content

教えてください。よく言われる真空度10mm水銀柱とはどういう意味でしょうか?常圧より10mm水銀柱低いのか、それとも絶対圧で10mm水銀柱なのか?大神たち、答えていただけると助かります。ありがとうございます!
Reply #22015-07-14
真空度とは、大気圧よりも低い圧力、つまり負圧(表圧)のことです。
Reply #32015-07-14
測定地点の大気圧より10mm水銀柱低い......
Reply #42015-07-15
現地の当時の大気圧より10mm水銀柱低い圧力

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