It could guarantee the quality of battery and reduce the cost of raw material effectively when the ratio of acetylene black and graphite in soil form was 2∶1 or the ratio of electrolytic manganese dioxide(EMD) and natural manganese dioxide(NMD) was 2∶1.
当乙炔黑与土状石墨的比例为2∶1或电解二氧化锰(EMD)与天然二氧化锰(NMD)比例为2∶1时,既能保证电池质量,又能有效地降低原材料成本。
Its formation mechanism includes well-developed net-shaped clay in tight sandstone which fill the intergranular pores and form micropores, and water-locking effect which can enhance capillary pressure and reduce greatly the gas permeability as well so as to make it the effective caprock of gas reservoir.
英南2气藏之上非常规致密砂岩作为盖层,形成机理是致密砂岩中网状粘土发育,充填于粒间,形成大量微孔隙,水锁效应增大毛细管压力,极大地降低气体渗透率使其成为气藏有效盖层。
