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SnO_2气敏材料的热分析研究

THERMAL ANALYSIS STUDY OF SnO2 MATERIAL
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摘要 通过对不同工艺条件制备敏感材料的DTA谱图研究,讨论了制备条件和工艺条件对反应活化能的影响,得到活化能与材料电阻的变化关系. We study sensitive materials ,which prepaed in different technological processes,byusing DTA ,discuss the effects of both preparation and technological prosess upon reac-tion activation engergy , and obtain the relationship between activation andmaterial re-sistance in thermal analysis-The results follow:in the same materials resistannce in-creases with the activ-ation energy of dehydrated crystallization increasing,and the ef-fect of activation of desorbed water upon resistance is the opposite of crystal-lizations.
出处 《郑州轻工业学院学报(自然科学版)》 CAS 1994年第S1期167-169,共3页 Journal of Zhengzhou University of Light Industry:Natural Science
关键词 活化能 体电阻:氧化锡 activation energy resistance tin oxide
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