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1)  longitudinal dispersion coefficient
纵向扩散系数
1.
Determination of longitudinal dispersion coefficient of rivers through laboratory experiment;
室内模拟试验确定河流纵向扩散系数研究
2)  longitudinal diffusion
纵向扩散
3)  longitudinal dispersion coefficient
纵向离散系数
1.
Routing-optimization method for determination of longitudinal dispersion coefficient in river;
河流污染物纵向离散系数确定的演算优化法
2.
A new method for estimating the longitudinal dispersion coefficient in the main stream of the lower Yellow River;
黄河下游干流纵向离散系数估算方法
3.
Study on longitudinal dispersion coefficient in open channel trapezoidal cross-section;
梯形断面明渠中纵向离散系数研究
4)  longitudinal dispersive coefficient
纵向弥散系数
5)  axial dispersion coefficient
轴向扩散系数
1.
By using the impulse response method, the axial dispersion coefficient of the continuous phase and the dispersed phase were measured respectively, and the experimental ranges of those parameters are following, dispe.
实验以水为连续相,煤油为分散相,以空气为搅拌动力源,采用脉冲应答技术,分别测定了连续相和分散相的轴向扩散系数,并讨论了连续相流速、分散相流速、气相流速及在塔内装入静态混合器时对塔内轴向混合性质的影响,得到了在操作范围内的经验关联式。
2.
Investigation on the relationship of axial dispersion coefficient(E\-c) and the operating conditions,such as the rotor speed(N\-R) and the flow rate(U\-d & U\-c),was carried out with the method of pulse input of tracer in CTRDC(rotating disk contactor with closed turbine).
用脉冲示踪法研究了闭式涡轮转盘塔(CTRDC)中连续相的轴向扩散系数Ec与转速NR、通量V等操作条件的关系,经回归分析得到Ec的计算关联式,并且与转盘塔(RDC)的研究结果作了比较。
6)  lateral dispersion coefficient
横向扩散系数
1.
In the present paper, based on the experimental data, the lateral dispersion coefficients of five kinds of solid waste particles are calculated in the ICFB and the bubbling bed.
在试验基础上计算得到内循环流化床和鼓泡床中3种轻质废弃物颗粒和两种重质颗粒的横向扩散系数,发现废弃物颗粒的变形程度、密度、尺寸及布风板形状和布风方式均影响其扩散系数。
2.
Based on the experiments of lateral solid mixing in the dense zone of CFB reactor,empirical expressions of the lateral dispersion coefficient are summarized in the present paper.
在循环流化床密相区颗粒横向扩散实验研究的基础上 ,总结了密相区内颗粒横向扩散系数的经验公式 。
补充资料:纵向扩散
分子式:
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性质:又称色谱分子扩散。组分分子沿着色谱柱轴向扩散的效应。这种扩散是由于柱内存在着纵向浓度梯度而引起的,对谱带的变宽起主要作用。在气相色谱中,分子扩散与待测组分在气相中的扩散系数及停留时间成正比。停留时间越长,即载气流速越小,则分子扩散影响就越大。气相扩散系数与待测组分的性质、柱温、柱压、载气的性质等有关。在液相色谱中,由于液体扩散系数较气体的小104~105倍,所以待测组分在液目中的这种扩散可忽略不计。

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