First, the separation of L-Valine on a single chromatographic column was investigated.
本文首先研究了缬氨酸在单根色谱柱上的分离情况。
Ammonium chloride is a better eluant, and L-leucine and L-valine can be separated successfully by gradient elution.
结果以氯化铵作洗脱剂进行梯度洗脱，成功的将l亮氨酸与l缬氨酸分离。
Objective:Using Brevibacterium flavum XV0505 as production strain, the influence of fermentation medium and fermentation conditions on the yield and glucose acid invert ratio of L-valine were studied.
目的：以黄色短杆菌XV0505为生产菌株，探讨发酵培养基和发酵控制条件对L-缬氨酸的产量和糖酸转化率的影响。
The combined filtrates from filtration and the washings are concentrated and lyophilized to isolate ganciclovir L-valine ester.
合并滤液和洗涤液浓缩并冻干以分离更昔洛韦L -缬氨酸酯。
Objective:Using organic membrane filtration and ion exchange to extract L-valine from the fermentation broth.
目的：利用有机膜过滤和离子交换法分离提取发酵液中的L-缬氨酸。
The preparation of D-proline and D-valine by configuration transformation from L-proline and L-valine has been intensively studied.
本文研究了以L-脯氨酸和L-缬氨酸为原料，通过构型转换制备D-脯氨酸和D-缬氨酸的工艺。
The preparation of D-proline and D-valine by configuration transformation from L-proline and L-valine has been intensively studied.
本文研究了以L-脯氨酸和L-缬氨酸为原料，通过构型转换制备D-脯氨酸和D-缬氨酸的工艺。
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