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- 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
- 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。
- Metamorphic rocks are any that have been changed from previously existing rocks by the action of heat, pressure, and associated chemical activity. 经过温度、压力、化学反应对早先存在岩石的作用，可将原岩改造成变质岩
- The mechanisms include the turbidity point effect,lowing the chemical activity of the filtrating fluid and the adsorption,et ac. 聚合醇(多元醇)的作用机制包括浊点效应、降低滤液化学活性和吸附机理等。
- Natural nonmetallic minerals are widely used to treat heavy metal polluted waste water because of its better absorption, ion exchange capacity and chemical activity. 许多非金属矿物材料对重金属离子具有表面吸附作用、离子交换作用和化学活性作用，可广泛用于重金属废水处理。
- At about the beginning of our era, it was in Alexandria, so far as we can ascertain, that that phase of chemical activity and speculation that we call alchemy originated. 在大约我们时代开始，就是亚力山大大帝时期，正如我们确定化学活动的阶段和推测比较久远，我们称做是炼金术起源。
- These chemically active ferments cause havoc. 这些化学活性的酶造成广泛损害。
- The microstructures of fly ash is compared with that of pozzolan in this paper. The basic characteristics of fly ash microstructure is expounded, and also the physical and chemical activity of fly ash due to its shape and microstructure. 本文比较了粉煤灰与火山灰微观结构，阐述了粉煤灰结构的基本特征以及形态与结构赋予粉煤灰物理、化学活性特征。
- The research reports in this field are very few because the investigation is difficult due to the high chemical activity, the structural complexity and the conformational flexibility of enzymes. 其主要原因是由于这些酶具有高化学活性、结构复杂性、构象易变性等特点，因此，研究较难。
- Because of the high chemical activity, the structural complexity and the conformational flexibility of enzymes, so that it is difficult to study of the interaction of rare earth ions with enzymes. 其主要原因是由于这些酶具有高化学活性、结构复杂性、构象易变性等特点，使研究这些酶与稀土离子相互作用较为困难。
- The results indicate that the stronger the chemical activity of functional group in self-assembled molecules is, the more remarkable the SAMs cluster topography characteristics are. 结果表明：自组装分子末端官能团的化学活性越强，形成的自组装分子膜的团簇特徵越显著；
- The chemical activator can promote the early hydration and increase the degree of reaction of coal gangue. 化学激发剂促进煤矸石的早期水化,提高其反应程度。
- Feature：Silvery white metal, chemical active, oxidizable in moist air and reactive fiercely with water. 主要性状：本品呈银白色金属光泽。化学活性强，在空气中易氧化，遇水反应激烈。
- Abstract Heterocyclic compounds generally possess important biological and chemical activities. 摘 要 杂环化合物一般都具有重要的生理活性。
- 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。
- The chemical activities of tanshinone molecule and the stabilities of AH-R*and A* have an important effect on the antioxidation. 丹参醌分子本身的化学活性和对应的AH-R*与A*的稳定性对此类抗氧化作用有重要影响。
- Hydraulic ash-zeolite (HAZ) cementitious material was blended as the chemical activator to study the effects of the activator on the soundness. 通过测定雷氏值和无侧限抗压强度来研究沸石灰渣激发剂(HAZ)掺量对安定性的影响。
- Adopting chemical activation method,the high specific surface area coal-based activated carbon was prepared from Taixi anthracite by KOH as activator. 以太西无烟煤为原料,KOH为活化剂,采用化学活化法制备高比表面积煤基活性炭,着重考察了碱炭比、活化温度、活化时间对活性炭吸附性能的影响。
- The high actived surface or many chemical actived spots of ultrafinecalcinated coal kaolin are casier interact to surface modifiers, h... 机械力化学效应使煤系煅烧高岭土产生的高活性表面和化学活性点为其进一步深加工提供了有效途径。
