粉煤灰的火山灰反应生成的也是含水率较低的CSH凝胶。
CSH gel with low water content forms in the pozzolanic reaction of fly ash.
用化学反应动力学方法研究固硫灰渣的火山灰反应特性，并与粉煤灰进行对比。
The pozzolanic reactivity of FBC and PC ashes was investigated based on the kinetics of the pozzolanic reaction.
采用扫描电镜和电子探针等分析手段研究了粉煤灰火山灰反应残渣的形貌和化学组成。
Morphology and chemical composition of fly ash residues of pozzolanic reaction were investigated by scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).
本文阐述了粉煤灰的组分、结构及物理性质，因为它们对粉煤灰的“火山灰反应”产生有益的作用。
This paper describes the constituent, the structure and the physical characteristics of fly ash which might have favourable influence on "Pozzolanic reaction".
然而，有必要考虑由于矿物掺合料的火山灰反应消耗的CH在用CH内容时，以确定的CCM的水化程度。
However, it is necessary to consider the CH consumption due to pozzolanic reaction of mineral admixtures when using CH content to determine the hydration degree of CCM.
采用酸溶法测定并比较几种典型的火山灰质掺合料的火山灰活性，探讨其火山灰反应程度对浆体强度的影响。
Pozzolanic reactivity of several pozzolanic admixture were measured and compared by acid dissolution method. Effects of reaction degree of pozzolanic admixture on strength of paste were discussed.
研究结果表明，所得的动力学表达式的计算值与实验结果吻合较好，反映了粉煤灰与氢氧化钙的火山灰反应的规律。
Kinetics characteristics and its expressions were (obtained). Comparison of calculated values with experiment values showed that kinetics expression precision was good.
水化程度测试的结果则表明，在早期碱式硫酸盐作用下大量溶解的废弃粗粉煤灰中的活性成分，要在后期才能够完全参与火山灰反应。
The result of hydration reaction shows that, with the help of alkali sulphate, the dissolved glass phases of reject fly ash at the early stage mainly join the pozzolanic reaction at the later stage.
含火山灰层沉积的植硅体分析为了解植被对从空中下降的火山灰的反应提供新的信息。
New information on the response of vegetation to air-fall volcanic ash is provided by analysis of phytoliths from sediments containing major tephra beds.
含火山灰层沉积的植硅体分析为了解植被对从空中下降的火山灰的反应提供新的信息。
New information on the response of vegetation to air-fall volcanic ash is provided by analysis of phytoliths from sediments containing major tephra beds.
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