当洗脱体积为床体积的2倍时，黄酮的解吸速度很快。
The desorption of the flavones is fast when the elution volume is 2 times of bed volume.
乙醇洗脱速度快，洗脱彻底，洗脱剂用量为2倍柱床体积（BV）。
The desorption of the flavones is fast and complete with 95% ethanol when the elution volume is 2 times of bed volume(BV).
而30%乙醇（6倍柱床体积）和50%乙醇（6倍柱床体积）组合是最佳动态洗脱剂。
The optimal eluting solvent was the water solutions of 30% ethanol(6 times of resin volume) and 50% ethanol(6 times of resin volume).
运用动态监测技术，测定了喷嘴孔径对鼓泡床质量传递的影响以及鼓泡床体积传质系数随床高的分布。
Using on-line monitoring technology, effect of the nozzle diameters on, liquid volume mass transfer coefficient, and its axial distribution were studied.
结果表明：气泡是影响分选精度的重要因素，其体积分率的变化与床层密度波动密切相关。
The result shows that the bubble is an important factor influencing coal separation, and the variation of its volume fraction is closely related to the variation of density of ADMFB.
药床的初始体积分数越大，二者稳态爆轰参数的差别也越大。
The larger initial volume fraction of porous beds, the greater difference between their detonation parameters.
结果表明，随着载体含量和气流量的增大，流化床内有效工作体积明显减小；
The results show that the effective working volume reduces obviously with the augment of carrier content and airflow rate.
本文分析讨论了流化床固体体积浓度的致密作用特点，以及流化床中强制搅拌和上升水流对结团造粒过程的动力作用。
The densification of the solid volume concentration in fluidized bed reactor and the kinetic action of forced stirring and upward water flow to the cluster granulation in fluidized bed are discussed.
从气相含率、液体循环速度和体积氧传质系数方面研究自行设计新型结构的三重环流生物流化床的流体力学与传质特性。
Hydrodynamics and mass transfer of triplet loop biological fluidized bed reactors were studied in terms of gas holdup, liquid circulation velocity and volumetric mass transfer coefficient.
转速和气体流量对旋转床填料层内的体积传质系数影响较大，流体流量和气相中二氧化硫浓度影响不大。
The volumetric mass-transfer coefficient in packing increases with gas flow rate and rotating speed raises. Liquid flow rate and concentration of SO2 in inlet gas influences less on it.
研究表明：当入选体积量的分选上限为20%时，流化床才能对颗粒混合物进行有效的分选，并且在振动条件下比在非振动条件下的分选效率略高一些。
It was shown that while the upper limit of volume fraction was about 20%, particle mixture might be significantly separated in a vibrated fluidized bed.
导出了当单位床层体积中气泡数目对气速的二阶导数为零时发生流型转变，该模型的计算机结果与实验数据吻合良好。
When the second derivative of the bubble number in unit bed volume with respect to gas velocity equals zero, the flow regime transition occurs. The model fits fairly well with the experimental data.
又称催化剂真密度。表示炼油工艺流化床催化剂密度的一种方式。它是扣除了催化剂颗粒内微孔体积后的实体密度。
Based on the compaction model of sandstone mudstone alternating beds, we advance a new formula for formation grain density, which conforms to grain volume and mass balance law.
从单位体积反应器生产能力进行比较，新型催化剂装填方式是固定床鼓泡反应器的4倍以上。
Production capacity of unit weight catalyst for the novel catalytic column reactor is 4.23 times higher than that for a bubble fixed bed reactor.
从单位体积反应器生产能力进行比较，新型催化剂装填方式是固定床鼓泡反应器的4倍以上。
Production capacity of unit weight catalyst for the novel catalytic column reactor is 4.23 times higher than that for a bubble fixed bed reactor.
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