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通过对芦岭煤矿和石台煤矿煤样在不同瓦斯压力下ｋ１值的测定，利用多项式回归的最小二乘法，得出瓦斯压力ｐ与煤样瓦斯解吸指标ｋ１值的关系是ｐ＝ａ＋ｂｋ１＋ｃｋ２１，这对防突和抽放瓦斯有一定的意义。
By measuring the k1 value of coal samples of Luling Mine and Shitai Coal Mine at different gas pressures and using the least square method of polynomial regression, it is concluded that the relationship between gas pressure p and coal gas desorption index k1 is p = a + bk1 + ck21 On the anti-sudden and pumping gas has some significance.