fractionatio相关论文
The total PGE amount (ΣPGE) of mantle peridotite in the Jiding ophiolite is slightly higher than that of the primitive ......
Carbon isotope compositions for both the carbonate shells and soft bodies (organic tissue) of living land snails collect......
From Juglans mandshurica leaves, a new quinone compound was isolated through bioassay-guided fractionation. The structur......
Recent retrospective studies have reported the use ofstereotactic radiosurgery(SRS) in the treatment of gy-necologic can......
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应用物理化学中相平衡、界面现象等知识,对大学化学基础实验中蒸馏、分馏及重结晶进行了深入的分析和讨论,进一步说明实验教学中理......
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Warm and humid climate and gentle hilly topography have provided favourable conditions for the devel-opment of the weath......
用改进的Ｌｅｅｎｈｅｅｒ分离方法，并引入最新的ＸＡＤ－８，ＸＡＤ－４树脂串联技术，将京密引水中有机物定量分离为悬浮和溶解态两大类。后者又进一步分离为憎水有机物、腐......
