Extraction of azadirachtin from the kernel of Azadirachta indica with the smash-and-stir method under normal temperature
室温粉碎搅拌法从印楝种仁中萃取印楝素的研究
In this paper, by means of X-ray analysis and scanning electron microscope technology, the hydration and strength development of spontaneous gangue cement under the condition of normal atmospheric temperature and steam curing are analysed.
本文应用X射线分析和扫描电子显微镜技术研究了在常温和蒸汽养护条件下自燃煤矸石水泥水化和强度发展。
Do you know the range of normal axillary body temperature?
您知道人体腋窝的正常温度范围吗?
Several types of graphic arts films were undergone artificial ageing tests, been kept in an housing of 50 ℃ temperature and 80% relative humidity for 1-4 days, the resulted data were compared with those stored in either normal warehouse or air-conditioned storage room for 1-2 years.
几种不同型号的印刷胶片以温度50℃、相对湿度80%的条件进行1&4天的人工老化试验,所得的结果与自然保存1至2年的同样胶片性能进行分析比较。
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