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.

《简明英汉词典》

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

煤 、 铁 、 锰 、 石膏 、 油页岩等矿产.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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