coal measures

Causes leading to slagging in furnace of tangential firing pulverized coal boiler and preventive measures thereof

切向燃烧煤粉炉炉膛结渣原因及预防措施

Mullite particles was synthesized by hydrothermal crystallization from kaolinite in coal measures.

以煤系高岭岩为原料,采用水热晶化法合成超细莫来石粉.

Coal measures in Xiaonan coalmine belong to Jurassic terrestrial deposit.

晓南煤矿含煤地层属侏罗系陆相沉积.

Coal basin are a basic tectonic unit in the formation of coal measures.

含煤盆地是煤系形成的基本地质构造单元.

On Main Measures to Prevent Coal and Gas Outburst in China

我国预防煤和瓦斯突出的主要措施

Reason for local coal occurrence fire and its precautionary measures

地方煤矿火灾发生原因及预防措施

There used to be igneous intrusions into coal measures and overlying strata in the Hanxing coalfield.

邯邢煤田煤系及其上覆地层中常有岩浆岩侵入体穿插.

The characteristics of cut-out arrangement in fully mechanized caving face in the relatively thinner thick coal seam, the mining mode and caving techniques in removing of supports from upper to lower seam and the maitenance measures in terminal face as well are introduced.

介绍较薄厚煤层综放开采工作面切眼布置的特点，支架由顶层向底层过渡的回采方式、放煤工艺及端面维护措施。

Characteristics of geochemical parameters of coal measures source rock in the thermal simulation experiment

煤系烃源岩热模拟演化过程的地球化学参数特征&以准噶尔盆地侏罗系煤系烃源岩为例

Water, coal measures and salt have densities markedly different from other earth materials.

水 、 煤和盐的密度与其它介质有很大的差别.