...1热空气流量对环流床结晶器的含气率的影响 流场中某一控制单元内气相所占的体积份额, 称容积含气率 ( volume fraction of gas), 用 g 表示, 它是无量纲的数字 [ 9] , 含气率又可分为平均含气率 和局部含气率。
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The lowest volume fraction of methane in mine drainage gas used as town gas is discussed to fully utilize mine drainage gas.
探讨了作为城镇燃气的矿井气中甲烷的最低体积分数，以便于更充分地利用矿井气。
A new approach to measure digitally the gas volume fraction is described, and the working principle and the linearization method of scale equation are analyzed.
介绍了一种对气体体积分数进行数字化测量的新方法，分析了其工作原理及刻度方程线性化方法。
Burning type catalyzing gas sensors are the devices of the gas monitoring system in coal mines, which realizes the auto on-off of the ventilation system based on detecting the gas volume fraction.
热燃烧式催化瓦斯传感器是煤矿矿井瓦斯监控系统的核心部件，用于检测瓦斯体积分数，实现风电闭锁功能。
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