2026-08-252026-08-25https://scholars.csmu.edu.tw/handle/123456789/17070Respirators can provide lower exhalation pressure drop by using exhalation valves. In general, exhalation valves are made up of three major components—a valve membrane, a seat and a cover. The val...(詳)一般呼氣閥包含閥片、閥座、及頂蓋三部分,閥片覆蓋於閥座上以限制氣體僅能單向通過呼氣閥,而頂蓋則置於最外部分,以保護閥片之作動。呼吸防護具(例如口罩)則常藉由安裝呼氣閥,以降低呼氣時之阻抗。然而...(詳)排氣閥洩漏磁性密合度exhalation valveleakagemagneticfitness拋棄式口罩密合度改善評估research project