A new type ventilatory capacity meter is introduced in the paper. It can dynamically measure worker's ventilatory capacity while in work.
2
文章探讨了煤层气量计算的方法及量级别的划分,提出了煤层气量划分的标准。
This paper probes into the calculating method of coal bed gas volume and the partition of its volume degrees, and puts forward the standard of the partition of coal bed gas volume.
3
以正常压力系统封闭气藏的物质平衡方程序为基础,建立一种利用累积产气量计算气藏地层压力的方法。
On the basis of the material balance equation, this paper develops a method to predict the formation pressure using cumulative production data for normal pressure confined gas reservoir.