查询词典 molecular volume

This paper through indoor physical model experiments, studied the coefficient of permeability variation, a multiple of polymer solution into the pore volume, polymer molecular weight and polymer concentration on the remaining oil after polymer flooding potential and distribution.

本文本文通过开展室内物理模型实验，研究了渗透率变异系数、聚合物溶液注入孔隙体积倍数、聚合物分子量和聚合物溶液浓度对聚合物驱后剩余油潜力及分布的影响。

The hydraulic diameter of polymer molecular and the inaccessible pore volume in rocks of different permeability are measured by using the electrical resistivity method.

应用电阻法计数器测定不同相对分子质量聚合物溶液水力学分子直径，并结合原始含水饱和度通过压汞实验确定不同渗透率岩石中的不可及孔隙体积；研究聚合物分子直径与岩石渗透率的配伍关系，进行不同类型油藏聚合物的优选，探讨一种合理选择聚合物分子尺寸和相对分子质量的方法，利于指导油田聚合物驱方案的优化设计。

Based on the Miedema model and Tanaka equation, a new method for calculating the parameters in the molecular interaction volume model has been developed to predict the activity coefficient s of multicomponent liquid alloys, in which not experimental data but only some physical properties of elements are required.

基于Miedema模型和Tanaka关系，提出了计算分子相互作用体积模型参数的新方法。该方法仅需知道元素的某些物理性质而无须熔体的实验数据，简化了计算多元合金熔体活度系数的步骤。分别计算了Ti-6Al-4V和Ti-5Al-2.5Sn在不同温度下组元活度系数的变化，计算了多种铜基合金以及Zn-Sn-Pb-Cd-Bi合金的活度或活度系数与组元配比的关系；并与Wilson模型进行了比较，计算值与实验值较好吻合

A new model for self-diffusion coe±cients was proposed based on both the concepts of molecular free volume and activation energy.

尹小勇 天津大学化工学院，天津 300072宋海华天津大学化工学院，天津 300072

The hydraulic diameter of polymer molecular and the inaccessible pore volume in rocks of different permeability are measured by using the electrical resistivity method.

采用汞压仪和AMT—2400孔径分析仪，研究纳米硬质合金粉末&桥接&团粒对粉末及其压坯中孔隙体积分布曲线的影响。用沉降分离、高能剪切粉碎。

The Molecular Interaction Volume Model is introduced for the prediction and fitting of the activities of liquid alloys Ni-Mg-Cu,Ni-Al-Si and Ni-Cu-Co in the ternary systems.

对Ni-Mg-Cu，Ni-Al-Si及Ni-Cu-Co三组三元系预测的总平均相对误差及最小的拟合总平均相对偏差分别为12.0%和9.0%，表明分子相互作用体积模型比较适用于这类液态合金的活度预测

The correlation coefficient of retention time the molecular radius or molar volume, the dipole moment, the sum of negative Mülliken charges and LUMO are more than 0.9957 using multiple linear regression.

用保留时间与分子的半径或分子的体积、分子的偶极矩、分子中总的Mülliken负电荷、分子的最低空轨道能量作多元回归分析，相关系数大於0.9957。

The inaccessible pore volume for high molecular mass polyacrylamide in oily sand cores from Liaohe Oilfield was analyzed at 58 ℃ using KSCN as a tracer.

采用KSCN作示踪剂，测定了高分子量聚丙烯酰胺58℃时在辽河油田油砂岩芯中的不可及孔隙体积。

It was suggested that quantitative structure parameters or molecular descriptors can give effective prediction of the critical volume.

研究表明，分子体积、分子支链化程度以及分于表面的静电分布等定量结构参数可以有效地估算有机物的临界体积。

The temperature effect increases with decreasing of the molecular weight of polystyrene, so that we have to control the column temperature or to correct the retentive volume.

主要的依据是GPC测量用的淋洗剂，一般都是良溶剂(a二0.7左右)，柱温变化对淋洗体积的影响很小，可以不考虑。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。