The surface variation and pore structure were observed and measured with SEM and GC CO2 absorption techniques.
用SEM和CO_2等温吸附技术考察了不同转化率下煤焦的孔结构形貌和比表面变化。
The determination of particle size, together with SEM, XRD, IR, DTA, TG, inverse gas chromatography (IGC)and BET multi-layer absorption techniques were used to characterise kaolin samples.
采用粒度分析、SEM、XRD、IR、DTA和TG、反气相色谱（IGC）和BET多层吸附等测试方法对干粉磨高岭土进行分析测定。
This paper presents a survey of application situation of the introduced techniques in order to promote exchange and quicken digestion and absorption.
本文就引进技术的应用状况作一简要评述，以促进交流，加快引进技术的消化吸收。
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