查询词典 gas coal

The paper applies the theory of partial regression square sum into selecting the main prediction indexes which influence the gas emission in the coal mine. Based on these indexes, it constructs a multiple regression model to forecast gas emission.

将偏回归平方和理论运用到影响某矿瓦斯涌出量预测指标的选取中，确定了影响该矿瓦斯涌出量的主要影响因素，根据这些主要影响因素建立了预测瓦斯涌出量的多元回归模型。

Finally, it makes a discussion and draws a conclusion that the multiple regression model which is set up through selecting the complications of influencing gas emission with partial regression square sum parameter is feasible , at the same time, it plays a role in improving the accuracy of fitting prediction ,and it could be better for forecasting and controlling the gas emission in the coal mine.

最后，通过分析，得出结论：采用偏回归平方和参数对该矿瓦斯涌出量影响因素进行优选建立回归模型是可行的，同时有利于提高拟合精度，可以更好地对该矿瓦斯涌出量进行预报与控制。

In order to predict gas outburst accurately, mathematical geology model of coal and gas outburst was set up by the second theory of quantification , and which was applied and validated in Zhongmacun Mine of Jiaozuo Mining Group Company.

在焦作中马村矿应用研究结果表明：由于煤与瓦斯突出的分区分带主要受地质条件控制，运用数量化理论Ⅱ，可以借助已知瓦斯突出类型的若干地质变量，建立该矿井煤与瓦斯突出的数学地质模型，并预测未知区的瓦斯突出，这可提高瓦斯突出预测的准确性和可靠

Research and development of this project is a new quick-setting polymer drilling expansion agent, mainly used for determination of gas pressure sealing sealing boreholes, the quality can also be used for different conditions of pressure measurement of the coal seam gas drilling sealed.

本项目研发的是一种新型高分子速凝钻孔膨胀剂，主要用于封孔测定瓦斯压力钻孔的封孔，也可用于不同质条件下的煤层瓦斯压力测量钻孔密封。

Bumer of this type is favorable for primary air-coal flow ignition and flame stability, as well as low Nox emissions. Flue gas re-circulation is employed to prevent furnace slagging and opposed-fired burner arrangement is capable of reducing residual swirl of furnace exit flue gas.

该炉燃烧器有利于煤粉气流的着火和火焰稳定；低Nox燃烧，有利于环保；与烟气再循环配合有利于防止炉膛结焦；前后墙布置切圆燃烧方式减少了炉膛出口气流的残余旋转，使水平烟道烟气流速分布更趋均匀。

The above-mentioned emergency includes but not limited to coal gas or fire alarm, leaking of water, rising serious odor or gas, shadiness case of pilferage, inspected by administration department, etc.

前述紧急情况包括但不限于煤气报警或火灾警情、漏水现象、发生严重的可疑气味、有被盗窃的可疑情形以及政府相关部门的检查等。

There are many kinds of forms of gas discharge, but the main form is soft coal seam gas discharge.

瓦斯抽放形式有多种，本煤层抽放是其主要形式。

In the meantime, measuring expansion energy of initial releasing gas of soft coal in Ma jia gou 0521 and absorb constant and remains gas content.

同时，对马家沟矿0521软分层的煤样进行了初始释放瓦斯膨胀能试验及吸附常数和残余瓦斯含量的测定。

In the coal bed gas volume, gas ad- sorption usually accounts for 80%- 90%.

在煤层赋存的瓦斯量中，通常吸附瓦斯量占80％～90％。

For example, Zhejiang Changshan Longchang Electron Co., Ltd, after self-research and development, has produced electrophoresis glass passivation chip. Zhejiang Changshan Insulation Material Co., Ltd, by bring in the environmental protection copper clad laminate technique, adopting KD-F exhaust gas incinerator, calling back lots of flammable mixed gas produced in the production process, finally makes the energy source callback ratio meet 96%, standard coal saved 1200T per year, and the environmental protection spiritualization ratio above 99%.

如浙江常山隆昌电子有限公司自主研发并投产的电泳法玻璃钝化芯片；浙江省常山绝缘材料有限公司引进国内关键环保型覆铜板的无卤技术，采用KD-F废气焚烧炉，回收生产过程中上胶系统产生的大量可燃性混合气体，能源回收率达96%，年节约标准煤1200T，环保净化率达99%以上。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。