oil shale

Coal, iron, manganese, gypsum, oil shale and other minerals.

煤 、 铁 、 锰 、 石膏 、 油页岩等矿产.

Then effective methods of enhancing seepage of oil shale are discussed in different depth.

若其埋藏深度较深,则可以通过采取适当的措施,提高其渗透系数.

Conventional oil shale mining method has higher coat because of restricting by a good many factors.

常规油页岩开采方法,由于受诸多因素限制成本较高.

Coal and oil shale occur alternatively and cyclically in the Paleogene Huangxian faulted Basin.

古近纪的黄县断陷盆地中,煤与油页岩交互发育,呈旋回式出现.

The country also abounds in petroleum, natural gas, oil shale, phosphorus and sulphur.

石油 、 天然气 、 油页岩 、 磷、硫等矿产也很丰富.

Among them, the research of the physical chemistry characteristics of oil shale is the premise.

其中, 油页岩理化特性的研究是油页岩开发利用的前提.

More ammonium sulphate solution is being recovered in the process of distilling oil shale.

在提炼油页岩的过程中回收的硫酸铵液比过去多了.

The original commentary is about typical technologies for oil shale retorting.

介绍了当今世界典型的油页岩干馏技术.

Resinite is a rich n 1 aceral in Teriary humic coal, boghead-cannel coal and oil shale fromHuangxian Coalfield.

黄县煤田第三纪腐殖煤 、 藻烛煤、油页岩显微组分富含树脂体.

Pgrolysis mechanism of small-size oil shale was described and its technological flowsheet was introduced.

阐述了小颗粒油页岩热裂解机理,介绍了小颗粒油页岩热裂解液化技术的工艺流程.