电子活度（electron activity）与pH的定义相似，还原剂和氧化剂可以定义为电子给予体和电子接受体，可以定义pE为： 。式中： --水溶液中电子的活度。
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Electron transport activity 电子传递活性
electron transport system activity 电子传递体系活性
electron transfer activity 电子传递活性
Stigma structure and its ATPase activity and secretion in watermelon(Citrullus lanatus)were characterized using light and transmission electron microscopes.
用光学显微镜和电子显微镜研究了西瓜柱头结构、ATP酶活性和分泌活动。
The basic principle, research object, method and applications of electron paramagnetic resonance in mensuration and analysis of antioxidation activity of plant were introduced in the paper.
该文简单介绍电子顺磁共振波谱法的基本原理、研究对象、方法及其在植物抗氧化活性检测分析中应用。
The behaviors of propylene polymerization under atmospheric pressure and the influence of electron donors on the activity and the isotacticity of the catalyst were investigated.
研究了所合成的催化剂催化丙烯常压聚合反应行为，考察了琥珀酸酯类给电子体对催化剂活性及聚丙烯等规度的影响。
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