第二次世界大战激发了他的政治热情。
激发剂能显著提高粉煤灰的活性，加速高掺量粉煤灰二次水化反应。
Activator can enhance remarkably the activity of fly ash and accelerate secondary hydration reaction of high fly ash content concrete.
为了弥补目前采用的各种镀层厚度测量方法之不足，本文提出利用镀层元素一次X光激发的基底金属二次荧光进行膜厚测量的设想，并推导出相应的计算公式。
A suggestion was made to measure thin-film thicknesses using second X-ray fluorescence from substrate excited by primary X-ray of plating element, and corresponding equations were derived.
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