研究了酸、碱改性高岭土的孔结构性质以及影响酸改性高岭土比表面积的因素。
The pore structures of the acid and alkali modified kaolins and the factors affecting the surface area of acid modified kaolin were investigated by nitrogen adsorption.
对楼层和墙壁、天花板、灯具和其他配件、门、窗框、和工作表面等的结构性质和表面装饰的详细描述。
Detailed description of the nature of construction and finishes of floors and walls, ceilings, lights and other fittings, doors, Windows, window frame, work surfaces etc.
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