The incompressibility of water plays a role of supporting the cleats and pores of coalbed, making coal reservoir b...
水的不可压缩性对煤岩割理、孔隙起到了支撑作用，使煤岩储层能保持较高的渗透率。
Hollow hydroxyapatite (HAP) microspheres with pores on their surfaces were prepared by in situ conversion reaction of Li-Ca-B glass in phosphate solution.
利用锂钙硼玻璃在磷酸盐溶液中的原位转化反应制备表面多孔的中空羟基磷灰石(HAP)微球。
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