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- By comparing the pyrolysis process of PAN in Ar with that in vacuum, it is found that the thermal activation energy in vacuum is lower than that in Ar, which indicates that the vacuum atmosphere favors the degradation reaction. 通过比较聚丙烯腈在氩气和真空氛围下的热解,可以得出聚丙烯腈在真空氛围中的热解反应活化能低于氩气氛围中的活化能,说明真空氛围能够降低热解反应的温度,加速反应的进行。
- Arrhenius plot of PO_2--independent conductivity gave the activation energy of 0.16eV for MgFe_2O_4. It shows the conduction mechanism was thermally activated hopping of small polarons. 以不依赖氧分压变化的电导率对数对温度的倒数作图;求得镁铁氧体(MgFe_2O_4)的激活能为0.;16eV;由此推断了它的电导机理为跳跃式电导模型。
- thermal activation energy 热激活能
- The apparent activation energy of NSMA thermal degradation with Kissinger method was 186.31kJ/mol and its reaction order was 0.90 with Crane theory. 用Flynn-Wall-Ozawa法求得的NSMA热降解表观活化能为186.;31kJ/mol;由Crane法求得热降解的反应级数n=1
- ENZYMES enhance reaction rates by lowering the activation energy. 酶可以使反应的活化能降低从而加快反应速率。
- The overall activation energy of copolymerization is 3. 5 kcal/mol. 聚合总活化能为3.;5千卡/克分子
- The thermal stability of CCR was better than that of PVC. but lower than that of chloroprene rubber (CR). The activation energy of dehydrochlorination was 123 kJ/mol. CCR的热稳定性优于聚氯乙烯,比氯丁橡胶(CR)稍差,其脱HCl反应的活化能为123KJ/mol。
- And the apparent activation energy was calculated by the Arrhenius equation. 并利用 Arrhanius 方程测定了表观活化能。
- The calculated activation energy of TiC forming is about 94 +7 kJ/mol. 根据镀层厚度与镀覆温度和时间的关系，得出碳化钛形成的激活能为94±7kJ/mol。
- Changing of the coordination of Si and Al in the thermal activation and the gelatification of gangue improves the gangue usage. 研究表明,在煤矸石热活化和水泥制备过程中六配位的铝逐渐转变为四配位的铝。
- The normal methods to determine activation energy,most probable mechanism function and pre-exponential factor in thermal analysis kinetics(TAK) were described in the former part of this paper. 介绍了热分析动力学(TAK)的基本研究方法,包括如何求解活化能、确定最概然机理函数和指前因子。
- The experiments on thermal activation of red mudstone have been made and the colourity,color stability and mechanical properties of red cement with red mudstone were tested. 进行红泥岩的热活化试验,对红泥岩红色水泥的色度、色彩稳定性及其力学性能进行测试。
- Several exploitation methods for tapping NGH have been suggested, such as thermal activation, pressure releasing, chemical inhibitor, replacement and slurry mining. 现有的多种天然气水合物开采方案，如热激法、减压法、化学抑制剂法、置换法和混合开采法等。
- Catalysts that lower markedly the activation energy of the reactions are required. 需要显著降低反应活化能的催化剂。
- A quantitative relationship has been obtained through thermal activation analysis, which can discribe fully the transition caused by loading rate or by tempera... 该关系初步描述了由于速率和温度引起的韧脆性转化过程。
- The association chain implied is general reactivity, delocalization, heat of reaction, activation energy, velocity constant. 和该量有牵连的因素是一般活性，离域作用，反应热，活化能，速度常数。
- The results show that REcan decrease activation energy for carburizingand expedite carburization. 结果表明,稀土能降低渗碳的激活能,有利于提高其渗碳速度。
- Characteristic analysis on different thermal active surfaces in canopy gap of tropical secondary forest. 热带次生林林窗不同热力作用面特征分析。
- When the moisture content reaches 6%, the activation energy reduces to nearly one half. 当含水量达6%25时,活化能几乎降低一半。
