The results analyzed in those obtained by inductively coupled plasma - atomic emission spectroscopy and atomic absorption spectroscopy.本文分析结果与等离子发射光谱和原子吸收光谱对照相吻合.Therefore by regulating swirl number of combustor NO emiss...
the emission of carbon dioxide into the atmosphere向大气排放二氧化碳The emission of gases such as carbon dioxide should be stabilised at their present level.二氧化碳等气体的排放应该稳定在当前水平。States have the option of adopting the even tougher ...
Crossing a forest, he saw a lion motioning him to stop.穿过一片森林的时候, 他看到一只狮子向他示意,让他停下来.The next man hurriedly motioning with his hand, said: " no, no. "旁边那人连忙一边摆手, 一边说: “ 不, 不. ”The president nodded soberly, motioning the a...
The wind whistled through the twigs and fretted the occasional, dirty - looking crocuses.寒风穿过枯枝, 有时把发脏的藏红花吹刮跑了.The crocuses came out late this year because of the cold weather.因为天气寒冷,今年藏红花开得晚.Daffodils and crocuses bloom...