煤層密度 的英文怎麼說
中文拼音 [méicéngmìdù]
煤層密度
英文
density of coal seam-
Biogas in commercial size existed in sedimentary basin which has high deposition velocity and low geothermal gradient and shale, coalbed or compacted sandstone in unconventional environments
商業規模的生物氣存在於具有高沉積速率、低地溫梯度的沉積盆地中和非常規環境下形成的頁巖、煤層或緻密砂巖中。With the tracing particles, the sinking velocity of middle and higher density particles that pass through the lower density coal particles in jig bed for different jigging air circle were measured. the results showed that the air cycle with a long inlet period can promote the separation of middle and higher density particles and lower density coal particles
運用彩色人工顆粒,對不同跳汰周期下中、高密度顆粒在低密度煤炭床層中的沉降速度進行了示蹤研究,確認長進氣期周期有利於中、高密度顆粒與低密度煤炭顆粒的分離。
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