Using the establishment gap axis fatigue life model, through the computation, the relational expression between the gap radius, the gap open angle, the gap depth and the dimensionless factor has been established.

Furthermore, desulfurization efficiency model of concentrated alkali dual-alkali FGD system with a dimensionless factor ε was proposed, which can be used to guide the design and optimize the operations.

此外，提出了用一个综合影响因子ε表达的浓碱双碱法脱硫效率模型，该模型可用于工艺参数优化、指导工艺设计。

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The performance of fin comprehensively by using dimensionless factor j/ f1/ 3 was evaluated and optimized respectively.

采用无量纲因子j/f1/3归对翅片的性能进行综合评价，并对其进行优化。

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The result indicated that the gap radius, gap depth and gap opening angle are a function of the dimensionless factor.

结果表明，缺口半径、缺口深度和缺口张开角都是无量纲因子的函数，而且随着缺口半径逐渐增大，缺口轴的疲劳寿命基本呈现增大的趋势。

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The expression based on the stress field near the tip gap, dimensionless factor is be obtained.

基于缺口尖端附近的应力场表达式，得出无量纲因子。

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The Laplace space solution to dimensionless reservoir pressure and dimensionless bottom pressure of variable flow problem, which takes into consideration the effect of three kinds of outer boundary conditions, is studied by using multi-layered reservoir model.

针对层间无窜流的多层油藏渗流模型，研究了3种外边界下的交流率问题的储层压力动态分布和井底压力的Laplace空间解。

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A dimensionless variable is defined and a new calculation model of water volume fraction is deduced to accurately measure water volume fraction in oil-water two-phase flow according to the real density of the mixture.

根据油水混合物的真实密度值也能较精确地确定其含水率，计算式的误差小于3%。

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The infeasible solutions violating either logical relation constraints among activities or resources constraints can be avoided through introducing a dimensionless variable named extended float time rate and utilizing penalty function.

通过引入无量纲化的扩展工时率变量和罚函数，则可以避免求解得到不满足作业间逻辑关系或资源约束的非可行解。

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A dimensionless variable named as duration prolonging rate is introduced to show the prolonged degree of activity duration.

在该模型中，允许适当延长作业的工期来降低作业的资源强度，并引入工期延长率这一无量纲变量来表示作业工期所延长的程度。

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The Dimensionless Representation of Collection Efficiency of Cyclones

旋风分离器捕集效率的无量纲表示

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Based on the analysis and numerical results, the physical mechanism of thermal drive in centrifugal fields is advanced, and a dimensionless parameter group is suggested to measure the relative importance of buoyancy and rotation to the mean equivalent conductivity.

通过方程分析和数值模拟提出了离心力场热驱动流的物理机制以及自然对流和旋转流相对作用大小的判别依据；

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A correlation formula with dimensionless number group is established to calculate the drying intensity.

在此基础上，结合因次分析法，建立了用于计算干燥强度的准数关联模型。

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Calculation of Orifice metre Flow Rate Using Dimensionless Number Group Method

无因次数群法计算孔板计流量

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A very useful tool for scale-up is the dimensionless group. This is the grouping of system variables so as to cancel out their dimensions.

在放大中使用的一个很有用的工具是无量纲数群。这是系统变量无因次化的一种组合。

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Secondly, based on the discussion of condition of sediment incipient motion, the dimensionless unit stream power at sediment incipient motion is put up, so that the theory of sediment incipient motion become more integrated.

二是在对泥沙起动条件讨论的基础上，建立了泥沙起动的无因次临界单位水流功率，进一步完善了泥沙起动的有关理论；

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On the basis of least square and law of similarity of ventilator, the dimensionless performance curve equations of mine ventilator by operating data are fitted and the characteristic curve equation of mine ventilating network according to its characteristic factors is constructed.

本文运用最小二乘法和通风机的相似定律，用实测数据拟合了矿井通风机无因次性能曲线方程；

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A dimensionless parameter expressing the limiting height of aspiration is suggested.

提出了一个极限吸出高度的无量纲数。

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The physics meaning of dimensionless parameter φ was given according to heat transfer theory in the pores.

针对孔隙中流体的传热机理，诠释了无量纲参数φ的物理意义。

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A New Dimensionless Parameter Suitable for Retrieving Atmospheric Aerosol Optic Depth on Land

适于反演陆面大气气溶胶光学厚度的物理量

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The air pressure dimensionless parameter will increasing as long as the gas fluid ratio decreasing.

随气液比的降低，压力上升无量纲值增加。

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The method of dimensionless parameter for R < 1 has been proposed in this paper.

提出了R<1的无量纲P参数法。

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