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Experimental Study of the Raw Coal Desorption Method On the Corresponding Relation between Coal Seam Gas Pressure and Content

机译：原煤解吸方法对煤层气压力和含量相应关系的实验研究

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The commonly-used method of high-pressured capacity has a problem that the experimental result has certain deviation with the actual result, when it takes the dry coal sample for the adsorbed quantity of gas test. To solve this problem, the paper employs the raw coal desorption method with raw coal sample which includes the natural moisture content desorption to achieve the adsorption pressure balance. According to the experimental result analysis, under the different moisture content and in different distributed condition, the coal seam adsorbed quantity of gas increases along with the gas pressure lifting, which follows certain linear statistics rule between them, and the rate change increases along with the increases of moisture content. As a whole, the dispersing relations of the adsorbed quantity of gas and the gas pressure range of variation control in the banding regions between two straight lines. It is advantageous for calculating the gas content scope corresponding with the applied coal seam gas pressure.
机译：高压容量的常用方法具有问题，即实验结果与实际结果有一定的偏差，当它需要干煤样品的吸附量的气体试验时。为了解决这个问题，本文采用了原料煤样品的原煤解吸方法，其包括天然水分含量解吸，以实现吸附压力平衡。根据实验结果分析，在不同的水分含量和不同分布条件下，煤层吸附的气体随着气体压力提升的增加，它们在它们之间遵循某些线性统计规则，并且速率变化随着速度变化而增加增加水分含量。作为一个整体，在两条直线之间的带状区域中的吸附量的吸附量和气体压力范围的分散关系。有利的是，计算与施加的煤层气压力对应的气体含量范围。

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