Preparation of Kaempferol and Isorhamnetin from Ginkgo Leaves by Recycling High-Speed Counter-Current Chromatography 循环高速逆流色谱从银杏叶提取物中制备异鼠李素和山奈酚
Comparative analysis of leaf gas exchange and chlorophyll fluorescence of Euonymus japonicus Thunb by field experiment in the typical urban and suburban areas in Beijing Preparation of Kaempferol and Isorhamnetin from Ginkgo Leaves by Recycling High-Speed Counter-Current Chromatography 典型城区与郊区环境大叶黄杨气体交换及叶绿素荧光特性比较循环高速逆流色谱从银杏叶提取物中制备异鼠李素和山奈酚
The emphases are effluent recycling technology, the balance of effluent recycling and the retanning and fatliquoring process. Experimental Study on Al_2O_3 Recycle Use and Treatment and Its Pillar Chromatography 重点研究了浸灰碱废液循环利用技术,铬鞣废液循环利用技术,以及与之配套的复鞣、加脂工艺技术。层析Al2O3循环利用方案
Based on the separation mechanism of simulated moving bed chromatography and closed loop recycling chromatography, the two chromatographic columns switching system and its control software are designed to separate chiral drugs. 在模拟移动床色谱和循环色谱分离手性样品原理的基础上,设计了双柱切换系统及控制软件。
An analytical method for the determination of polychlorinated biphenyls ( PCBs) in air around the waste steel recycling plant by headspace solid phase microextraction-gas chromatography mass spectrometry was presented. 报道了顶空固相微萃取-气相色谱质谱联用测定废钢回收冶炼厂空气中多氯联苯的分析方法。
Recycling dextran G-100 gel filtration column chromatography on F1 and F2 fractions were separated for further purification. 再利用葡聚糖G-100凝胶过滤柱色谱法对初步分离组分进一步纯化。