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chemical activation energy 化学激活能
Its activation energy is 62.56kJ/mol, indicating that the chemical reaction was the rate controlling step. 盐酸浸出改性钛渣的动力学研究表明，浸出反应符合用“未反应核缩减模型”处理试验数据，得到浸出反应的表观活化能为62.;56kJ/mol，从而推断化学反应为控制步骤。
The leaching ratio is controlled by chemical reaction.The apparent activation energy is about 40 kJ/mol. 微波作用可改变反应的频率因子，对反应活化能影响不明显；
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
Relating to or designating chemical activity at elevated temperatures. 高温化学的有关或表明高温下的化学活动的
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。
The results show that its low temperature structural relaxation is a multiple relaxation process with low average activation energy, in which a chemical short range order (CSRO) is developed. 结果表明,低温结构弛豫是平均激活能低的多弛豫过程,在这个过程中发展了化学短程序(CSRO)。
These chemically active ferments cause havoc. 这些化学活性的酶造成广泛损害。
In this paper, in order to increase the antioxidative ability of porous carbon, boron in solid state was added to porous carbon by KOH chemical activation. 为了提高多孔炭在高温下的抗氧化能力，以KOH化学活化法制备的多孔炭为原料，通过固体渗硼对多孔炭进行热处理。
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。
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。
High specific surface area activated carbon was prepared frombamboo by chemical activation with KOH. 以竹屑为原料,研究了KOH活化法高比表面积活性炭的制备工艺。
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。
The research showed that for anthracite, lean coal and bituminous, the reaction rate became larger and the ignition activation energy became smaller. 结果表明：从无烟煤、贫煤、烟煤，其反应速率越来越大，着火活化能越来越低。
If such additives are used then the chemical activity may not be restricted to the asperity contacts. 如果使用了上述添加剂,化学反应可能就不限于表面粗糙的接触。
Activity coefficient Number expressing the ratio of a substance's chemical activity to its molar concentration. 活度系数:化学术语,活度系数指物质的化学活度对其浓度之比。
With the carbon content of dry ash-free basis increasing, the ignition activation energy increase and the reaction rate fall. 干燥无灰基固定碳含量增加，其着火活化能逐渐升高，反应速率逐渐降低。