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標気含有量

2016-06-22View Original

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酸化ホウ素の標準ガス濃度はいくらですか?
Reply #22016-06-23
一般的に、測定範囲のガスには空気基準(20.6%)を使用し、ゼロ点のガスは2%未満が求められる

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