The sensor is linear output along with the change of gas density. 傳感器隨氣體濃度的變化呈線(xiàn)性輸出，報警設定值可調。
Based on Fick Theory, an expression of the concentration of toxic gases in blasting fumes is deduced in this paper. 本文以費克定律為基礎，得出了炮煙擴散過(guò)程中有毒氣體濃度的時(shí)空分布表達式。
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