Oil is usually found in porous rock under a layer of impermeable rock which prevents it from escaping . 石油通常存在于多孔性的岩石中,上面覆盖着不可渗透的岩层,使石油不致散失。
Variations in porosity of various batches of retainer materials and variations in bleed-out rate are contributing factors to these spotty results . 各批保持架材料多孔性的变化和供油速度的变化是构成这些不一致结果的因素。
Preparation of ultra - fine calcium carbonate with porosity 多孔性超细碳酸钙粉体制备研究
The clinical use of platelet rich plasma in stomatology 富血小板血浆对表面多孔性种植体周骨再生的作用
Standard guide for integrity testing of porous barrier medical packages 医用多孔性隔板包装盒完整性试验的标准导则
Porous asphalt pa 多孔性沥青混凝土
It is often porous , full of holes or cracked , and in these cases it is of lesser quality 大部份珊瑚是多孔性,且有时会有裂缝裂纹的,这是劣质品。
Aerospace series - elements of electrical and optical connection - test methods - part 507 : plating porosity 航空航天系列.光电连接件.试验方法.第507部分:电镀多孔性
The multiple colloid has micro pore can keep warm to reach fuel normal temperature and flash point 多孔性的组织气孔有保温作用,可蓄温使油的温度达到一定的温度,提高燃点。
Standard test method for measurement of hydraulic conductivity of porous material using a rigid - wall , compaction - mold permeameter 使用刚性壁压缩模式磁导率计测量多孔性材料液压导电率的标准试验方法