More ammonium sulphate solution is being recovered in the process of distilling oil shale.
在提炼油页岩中回收硫酸铵液比去了。
Resinite is a rich n1aceral in Teriary humic coal,boghead-cannel coal and oil shale fromHuangxian Coalfield.
黄县田第三纪腐殖、、油页岩显微组分富含树脂体。
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At the same time, the U.S., having edged closer to energy independence with natural gas and oil shale, no longer needed Riyadh the way it once did, and was noticeably less attentive.
与此同时,随着天然气和油页岩,美国已逐渐近能源独立,已像过去那样需要利雅得了,对沙特也明显那么在意了。
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