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jmdict 2852660 Active (id: 2171432)
破過
【 はか 】
1. [n]
▶ breakthrough (of a contaminant through a respirator cartridge, etc.)



History:
2. A 2021-12-28 09:00:51  Jim Breen <...address hidden...>
1. A* 2021-12-22 13:20:31  Marcus Richert <...address hidden...>
  Refs: 
https://www.mhlw.go.jp/stf/shingi/2r9852000001v2f4-att/2r9852000001v2m1.pdf
吸収缶の除毒能力は有限であり、透過する有毒ガス濃度が吸収缶の最高許容透過濃度を 超えた状態を破過という。

https://www.cdc.gov/niosh/nioshtic-2/00207515.html
Breakthrough time and adsorption capacity of respirator cartridges.

破過	1317
破過曲線図	135
破過曲線	400

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JMdictDB is an open-source Postgresql database and Python API for managing Japanese dictionary data developed by Stuart McGraw. More information at http://edrdg.org/~smg/. Please report software problems at https://gitlab.com/yamagoya/jmdictdb/issues or email to jmdictdb@mtneva.com.