片语

voidage fraction空隙度

channel voidage通道空隙度

voidage instability空泡不稳定性

voidage disturbance空隙度扰动

voidage function空隙率函数

characteristic voidage特征空隙度

voidage wave空隙度波

fieldwide voidage全油田亏空

bed voidage床层空隙度

英汉例句

• a modified relative velocity equation was derived by taking both the frictional losses and the voidage into consideration.

  考虑到立管中固体颗粒与壁面之间的摩擦及空隙度的影响，建立了包含此两因素的修正气固相对速度方程。

• a new design method based on voidage of coarse aggregates for grading of permeable bituminous surface course is presented in this paper.

  本文提出了一种根据主骨料空隙率设计透水性面层沥青混合料级配的新方法。

• the time series of voidage and particle colliding force at different operation conditions is analyzed and researched by statistic method-. power spectrum and chaos theory in this papers.

  本文采用不同的分析方法分析、研究了气固流化床中不同操作条件下的空隙率时间序列和颗粒碰撞压力时间序列。

• this paper reports some experimental results on variation of voidage in bed materials, bubble size and bubble rising velocity etc along the height of the bed.

  本文介绍了流化床中床料空隙率，气泡尺寸，气泡上升速度沿床高变化的试验结果，提出了相应的无因次关联式。

• the simulation results show that local voidage calculated by bubble and emulsion model is observably lower in the bubble nose region, compared with that calculated by area weighted averaging.

  模拟结果表明：气泡乳相模型在气泡鼻区域计算的局部空隙率显着低于面积加权平均法的计算结果，因而在该区域能较大幅度地修正曳力。

• focusing on the mass population balance model, the effect of granule size distribution on the packing voidage will be discussed in detail.

  研究工作将在质量集合平衡模型的基础上，考虑造粒粒度分布对孔隙度的影响。

• the lower bound of local voidage in bubbling fluidized beds was obtained by revising the correlation for the voidage inside clusters in riser flow.

  将提升管流动中颗粒团的空隙率关联式进行修正，得到鼓泡流化床中局部空隙率的下限；

• based on experiment and theoretical analysis, a model was proposed to predict the mean voidage of the annulus region.

  并对床层空隙率、颗粒流动速度进行了实验研究与理论分析。

• to the solution mining in-sit, the voidage of dissolved glauberite is a crucial factor.

  水溶过程中矿石的空隙度是确定该矿床能否采用原地水溶开采方法开采的决定性因素。

• experimental results indicated that the extents of axial gas mixing were related to the bed voidage mainly determined by both the gas velocity and the solids circulating rate.

  轴向扩散系数主要与由气体速度和固体循环量决定的床层空隙度有关；

• experimental results show that the voidage measurement error of the new method is less than 8% and the real-time performance can satisfy the field requirement.

  测量结果表明，提出方法的空隙率测量误差小于8%，实时性可以满足现场要求。

• finally, the measured comprehensive voidage is 4.7%. they are divided into 4 level reservoir beds.

  我们测得的奥陶系潜山储层的综合空隙度为4.7%。

• a comparison of vfb and cfb indicates that vfb has lower minimum fluidization velocity, higher bed voidage and more steady fluidization because big bubbles can not be formed in the bed.

  由于床层中没有大气泡生成，与普通流化床（cfb）相比，vfb具有更低的初始流化速度和更大的床层空隙率，而且流化稳定。

• a new method of multiple regression has been developed for calibrating the optic fiber for precise measurment of bed voidage in gas solid systems.

  本工作开发了光纤探头多元回归新标定法，用于测定气固系统床层空隙率。

• a pressure parameter was introduced in transforming the model for voidage distribution into the model for pressure distribution.

  将空隙率分布模型转化为实用的压力分布模型后，模型中含有一个压力参数。

• the influence of the heterogeneous structure on the local voidage in the dense region was characterized by introducing the lower bound of local voidage and the heterogeneous influence coefficient.

  非均匀结构对密区局部空隙率的影响通过引入局部空隙率下限和非均匀影响系数描述；

• under the same bed temperature the average voidage will increase with a rise in apparent gas speed.

  相同床温下，平均空隙率随表观气速升高而增大；

• dense phase voidage can be estimated by cutting gas flow and following the rate of bed collapse.

  采用切断流化床气源，并跟蹤测量床面塌落速度的方法，可以测得浓相空隙率。

• both of voidage and particle colliding force are key parameters in gas-solid fluidized beds.

  空隙率和颗粒碰撞压力都是气固流化床设计和操作中的主要参数。

• according to the study on conventional fluidized bed, a correlation for predicting bed voidage at minimum fluidization and minimum fluidization velocity, giving agreement with experi.

  文中结合研究结果 ，综述了温度对最小流化速度、最小流化空隙率、床层膨胀比和气泡直径的影响。

• in order to take into account the influence of the heterogeneous structure on local voidage, a local voidage model for simulations of bubbling fluidized beds was presented.

  为了考虑非均匀结构对局部空隙率的影响，文中提出一个适用鼓泡流化床的局部空隙率模型。

• the obtained results showed that the effect of external diffusion could be slackened by the decrease of fixed-bed voidage and the increase of space velocity.

  计算结果表明，银催化剂床层空隙率的减小或操作空速的增加有利于减弱该催化反应过程中外扩散效应的影响。