Test result shows that the mixing of this three materials accompany with increasing grind fineness, the strength of compound cement with large amount of fly ash can be improved significantly.
试验结果表明，选用粉煤灰、低钙石与沸石复合三掺，并相应提高粉磨细度，可明显地提高大掺量粉煤灰复合水泥的强度。
The review suggests that a large amount of research work on combustion in supersonic mixing layers still needs to be conducted.
通过综述可知，超声速混合层燃烧研究仍需开展大量工作。
X ray lasers that a Ne plasma is pumped by the intense Na radiation is simulated. By mixing a large amount of hydrogen with Ne, electron temperature is very low and laser gain is increased obviously.
数值研究短脉冲强钠X光泵浦氖激光介质的X光激光，通过在氖中加氢的办法降低了电子温度，有效地提高了激光增益。
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