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- bubble column chromatography 气泡柱色谱法
- Galangin was obtained by on-step column chromatography of polyamide only once. 运用聚酰胺柱层析－次分离，获得有效成分高良姜素。
- Its homogeneity was identified with Sepharose 6B column chromatography. 紫外光谱显示它不含蛋白质、多肽及核酸。
- The heat transfer between an immersed horizontal tube and the two-phase flow in a bubble column were measured. 本研究对鼓泡塔中气液两相流与浸没在其中的水平管间的对流传热系数进行了实验测定。
- Comparing with that of bubble column, the liquid axial backmixing apparently decreases after inserting the baffles. 而且与空塔比较，液相轴向返混系数明显减小。
- In this paper, we extracted the antioxidative substance from Alpinia oxyphylla Miquel by using column chromatography. 摘要探讨了干柱层析法分离益智渣及益智乙醇提取物的抗氧化成分。
- At present, a few CFD simulations of countercurrent of liquid and gas in the bubble column are found. 目前，关于鼓泡塔内气液逆流操作的CFD模拟计算还很少。
- METHODS: Alcoholic extraction, silica gel, ODS column chromatography and recrystallization were used. 方法:采用工业酒精提取、胶柱层析、DS柱层析和重结晶等方法。
- A mathematic model was established to discuss effects of mass transfer on Fischer-Tropsch synthesis in slurry bubble column reactor. 采用建立数学模型的方法在鼓泡浆态床反应器体系中讨论了传质对费托合成反应行为的影响。
- METHODS CTX-d was fractionated and purified from Naja naja atra venom by column chromatography and RP-HPLC. 方法应用柱层析及RP-HPLC,从眼镜蛇毒粗毒中分离纯化细胞素素(CTX)。
- In this article, we present a new quasi single-fluid model according to the flow characteristic of bubble column of countercurrent of liquid and gas. 我们根据气液逆流鼓泡塔内的流动特点，提出了新的拟单相流模型，通过计算发现鼓泡塔内存在三个流动区域：核心区、零轴向速度区和塔壁附近回流区。
- Results Galangin was obtained by on-step column chromatography of polyamide only once. 结果运用聚酰胺柱层析-次分离，获得有效成分高良姜素。
- In the experiment, the hot-film anemometry was applied to the countercurrent bubble column and local measurements of gas hold-up were obtained. 实验中应用热膜流速仪对逆流鼓泡塔气液两相流场进行了多点测量,并通过对测量电压信号的分析处理得到了各测量点的气含率。
- Objective To separate flavonol and flavanonol by the column chromatography of polyamide. 目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类化合物。
- The large eddy simulations (LES) with the Euler-Euler approach is used to study the gas-liquid flow in a partially aerated bubble column. 摘要采用气液两相流动的欧拉-欧拉大涡模拟，研究了偏心进气式鼓泡塔内气液两相湍流流动。
- To set up a sephadex column chromatography method for the determination of polymer impurity in cefotetan disodium. 目的建立葡聚糖凝胶色谱法测定头孢替坦二钠中聚合物的方法。
- Theabove correlations lay the foundation of further study on the hydrodynamics of Non-Newtonian slurryin a bubble column. 为进一步研究非牛顿型浆液鼓泡塔流体力学行为打下基础。
- Results Pure flavonol and flavanonol were obtained by the column chromatography of polyamide. 结果运用聚酰胺柱色谱法一次分离得高纯度黄酮醇与二氢黄酮醇。
- The molecular weight of the antibiotic substance is 48000 Dalton,tested by sephadex-G75 gel column chromatography. 而且用Sephadex－G75凝胶柱层析法测得抗生物质的分子量为48000道尔顿
- The radiant orifice gas distributor and internals were set in the slurry bubble column to distribute the gas uniformly and optimize the suspension effect of solids. 为了实现气体均布和优化固体悬浮效果,在浆态床内设置辐射式锐孔气体分布器和内部构件。
