对比系数

It is pointed out that nonlinear regime of the friction coefficient curve is caused by rheological properties of lubricant.

计算中考虑了变形历史对剪应力的影响，并将计算结果与牛顿体计算结果以及实验进行了对比，指出摩擦系数曲线中的非线性区主要是由于润滑油流变性的影响造成的。

The comparison between Colburn factor and friction coefficient shows that Colburn analogy is not so much applicable to the drag-reducing fluid, especially for the low bulk flow Reynolds number conditions.

减阻流体柯尔本因子与摩擦系数的对比结果表明柯尔本比拟，特别是在较低流动雷诺数下有较大偏差。

The unitary linear regression analysis showed that the b value of regression coefficient and the a value of constant term were relatively small in Shajinhong, Shanhuang apricot, Chuanzhihong, Apple apricot, and Lanzhou apricot by comparing them with the degree of cold resistance.

结果表明：经一元线性回归，用回归系数b值和常数项a值来对比分析抗寒性大小发现：沙金红、山黄杏、串枝红、苹果杏和兰州杏等品种的这两个数值相对较小。

Since continuum hypothesis is still valid for liquid flow in microchannels with hydraulic diameter at about 100 micro-meters, a turbulence convection heat transfer model for single-phase liquid flow in microchannels is established, in which wall surface roughness viscosity is introduced.

分析表明水力直径为100μm左右的微管道内单相液体流动仍满足连续介质假设，引入粗糙度粘性系数，建立了微管道内单相液体湍流对流换热模型，并采用3维有限容积法进行了数值计算，将计算结果与实验结果进行了对比。

The effects of corona, dielectric barrier discharge and glow discharge on the heat transfer coefficients with a heated copperplate are compared.

文中对比研究了电晕、介质阻挡以及辉光放电对空气-金属之间对流传热系数的影响作用。

A detailed calculation on the scattering of a conduct disk is given by means of Incremental Length Diffraction Coefficient method and Phyzical Optics method. The relation between Radar cross section of the conduct disk and the incident angle and the relation between the optimal polarization and the incident angle are investgated and the calculation results from ILDC and that from PO are compared.

用微分边缘绕射系数法和物理光学法对金属圆盘的散射作了详细地分析计算，讨论了其极化散射特性给出了雷达截面积随角度的变化曲线并与用物理光学法计算的结果进行了对比，同时还给出了其最优极化随角度变化时的分布图。

Compared with published experimental data in reference, the calculated results show that use of temperature coefficient of elastic modulus is valid to modify the empirical formula.

通过与文献中的实验结果对比得知，用材料弹性模量温度系数对经验公式进行修正是有效的。

After these research, put the system into practice to examine the result and to get the real value through practice.

运用类比法、回归分析法、弹性系数法等科学方法进行数据对比分析，确定天津公路现代化评价指标体系中各基层指标的测度模型并得到相应的标准值，将其代入天津公路现代化评价指标体系的基本模型，得到完整的天津公路现代化评价指标体系。

Furthermore, as stresses in the stress field influence the value of seepage coefficient k, which will results in the change of seepage field in the end, while on the other hand, the seepage field also has an effect on the stress field because of seepage forces. Based on the coupling model of seepage field and stress field, a program by finite element method is developed in this paper. And the comparison of results of the program and criterion method with that of test shows that the test results are reasonable, which can be referred to analyze the causes of dangers, evaluate degree of safety of the body and foundation, and design and optimize the measures of seepage control.

此外，考虑到应力场中的应力会改变土体渗透系数进而影响渗流场、而渗流场也因其产生的渗透力会导致应力场发生变化，两者之间存在耦合作用，本文基于渗流场应力场耦合分析的数学模型编制了渗流计算有限元程序CCOSAS1.0，其计算结果和采用规范方法所获得的解答与实测值的对比分析表明，该规律合理且具有一定的代表性，可用以分析险情发生原因、评价堤身堤基安全状况及设计与优化渗流控制措施。

Based on the study of spectrum, the components and technology requirement of time-resolved fluorometer were presented And a concrete method to actualize the system of pulsed Xenon lamp and the assemblage of filter setting was developed Sound clinical evaluation project was designed At last, clinical evaluation of the time-resolved fluorometer was conducted.

在光谱研究的基础上，讨论了时间分辨荧光免疫分析测试仪的各个组成部分及其技术要求，提出了脉冲氙灯和聚光滤光系统的具体实现方法，制定了合理的临床评价方案，并对制成的测试仪样机进行了临床应用性能实验。将我们研制的时间分辨荧光免疫分析仪与国外先进同类型仪器进行一系列对比测试实验后，经相关回归分析所得出的相关系数都在99.5％以上，显著性检验小于0.01。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷