The results show that themodified cen ments have much smaller article sizes and higher specific surface areas;
试验结果表明，改性处理使以上耐火水泥的颗粒尺寸大大降低，比表面积增加；
Their specific surface areas and apparent and skeletal densities were determined according to conventional methods.
按照通常方法，测定了它们的比表面积、堆积密度、骨架密度。
The experiment method of the measurement nanoparticles specific surface areas by the nitrogen adsorption method is investigated.
本文研究了用氮吸附法测定纳米粒子比表面积的实验方法。
The characteristic results showed that the MCM-48 material possessed high specific surface areas and well-ordered channel systems.
结果表明，合成的MCM-48材料具有高的比表面积和高度有序的孔道系统。
The products have been characterized using laser scattered particle analyzer, specific surface areas measuring and testing instruments, XRD, TEM and TG-DTA.
通过激光粒度仪、比表面测定仪、XRD、TEM和TG-DTA对样品粒度、比表面、晶型、形貌、失重情况等进行分析表征。
The results showed that EVA-based materials with larger additive contents or a constant content but larger specific surface areas possessed lower thermal conductivities.
结果表明，添加剂用量越大或用量一定时比表面积越大，EVA材料的导热系数越低。
The mesoporous carbon materials with different specific surface areas was prepared using SBA-15 as a template and sucrose as a carbon source under different carbonized temperatures.
以SBA - 15为模板，蔗糖为炭源，在不同的炭化温度下合成了不同比表面积的中孔炭材料。
The mesoporous carbon materials with different specific surface areas was prepared using SBA-15 as a template and sucrose as a carbon source under different carbonized temperatures.
以SBA - 15为模板，蔗糖为炭源，在不同的炭化温度下合成了不同比表面积的中孔炭材料。
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