利用重力资料反演三维单一密度界面的质面系数法是目前最为常用的方法之一。
The method of compressed mass plane coefficient for the inversion of three dimensional single density discontinuity on gravity data is most popular in use.
另一方面，物理数据模型是数据库特定的模型，它代表关系数据对象，例如表、列、主键、外键以及它们的关系。
On the other hand, a physical data model is a database-specific model that represents relational data objects (for example, tables, columns, primary and foreign keys, and their relationships).
当气体介质等温、均匀时，分别计算气体介质的普朗克平均吸收系数、有效吸收系数和壁面入射平均吸收系数。
While the gas medium is isothermal uniformed, the dissertation calculates the effective absorption coefficient, the Planck-mean absorption coefficient and the wall-incident mean coefficient.
合金（110）面法线方向上晶粒尺度的大小是影响合金放氢平台斜率系数的因素之一。
Crystal grain size along the normal direction of the (110), is one of the important factors affecting the slope factor.
并在安全系数为最小的条件下，讨论了滑动面几何参数之间以及它们与安全系数之间的关系。
Under the condition of the least factor of safety, the relations are discussed between the geometry parameters of slip surfaces and the factors of safety.
通常，对流换热系数是在实验中以电加热试验管壁面后根据牛顿冷却定律计算得来的。
Normally, coefficient of convective heat transfer is gotten through experiments which is heating testing tube by electricity and computed through Newton cooling law.
坡面工程措施和造林可减小径流系数，能有效地拦蓄地表径流。
Adopting engineering measure and planting tree can decrease ground runoff coefficient and hold back ground runoff effectively.
环保、冶金及建材行业余热利用中的热交换器，常因管内污垢系数上升、换热面粘附粉尘而失效。
Heat exchanger in the heat reuse of environmental protection, metallurgy and construction materials often loses effectiveness because of the increased dirt coefficient.
研究结果显示，在频率域内，面波衰减系数分布与群速度分布具有一定的相关性。
The correlation property between the distribution of attenuation factor and that of the group velocity is indicated, in this study.
对齿轮齿面接触应力计算中曲率系数的计算依据作了进一步的研究。
Further study of the calculation basis of curvature coefficient for calculating the surface durability stress are made.
通过对铜冷却壁的传热过程分析，得到热面复合传热系数的计算公式。
A formula of combined heat transfer coefficient was obtained based on the analysis of heat transfer of copper staves.
考察了开边界和不同等密面扩散系数对北太平洋环流和温盐结构的影响。
The effects of open boundary and different isopycnal diffusion coefficients on the circulation and thermohaline structure in the North Pacific are examined.
从而获得了滑移面几何控制参数与内部稳定性安全系数之间的函数关系。
Then the function relations among the geometrical controlling parameters of sliding surface and the internal stability safety factor are deduced.
边界层分离点、物面最小压力点及阻力系数的计算结果与一些数值解及实验结果是符合的。
The boundary layer separation points, minimum pressure positions on the surface and the drag coefficients are in agreement with numerical solutions and experimental results.
引入凝结比例系数，简化了汽包液面下汽容积的求取。
A condensation ratio coefficient is introduced to obtain the steam volume under water level in the drum.
本文在极低速情况下，模拟测定了仪表齿轮在一齿啮合过程中两齿轮齿面间摩擦系数的变化情况。
The friction factor between two tooth surfaces of instrument gears during one meshing process is imitatively measured in this paper under the condition of ultra-low-speed.
在干燥轨面状态下，选取常用粘着系数以不大于0.27为宜。
An adhesion coefficient of less than 0.27 would be appropriate under dry rail surface condition.
实验结果表明当壁面粗糙度超过1%时摩擦系数随着壁面相对粗糙度的增加而增加。
The friction factor obtained from the experiments increases with the surface roughness increase when the relative roughness is greater 1%.
当物体离壁面很近时，出现排斥现象，水动力系数随攻角的变化呈非线性特征。
While for small clearance, there appear repulsion phenomena, and the variation of coefficients with attack Angle is nonlinear.
填土厚度等于初始等沉面高度时，土压力系数有最大值。
The coefficient is maximum when the depth of backfill equals the height of initial plane of equal settlement.
实验研究结果表明：分子筛催化剂颗粒粒径的大小对壁面传热系数和总传热系数影响大，而对中央区的传热系数无影响。
Experimental results reveal that this diameter exerts strong influence to the overall heat transfer coefficients and that on the wall, but irrelevant to that in the central zone.
分析了偏心距和旋转对于二次流以及轴向速度分布的影响，同时给出了平均摩擦系数和壁面摩擦力的分布。
Effects of eccentricity and rotation on the secondary flow and maximal axial velocity were analyzed, and the average friction factors and the wall friction distributions were also presented.
在同等壁面热条件下，随着动量调节系数的增加，喷管粘性损失增大，喷管的推力和比冲都将下降；
Under the same wall heat condition, with the increase of momentum correction coefficient, viscosity loss of the nozzle increases, but thrust and specific impulse decrease.
在烧蚀滞后滚转力矩的计算方法中，本文主要介绍滞后引射率和粗糙度对壁面摩擦系数联合影响的一种快速计算方法。
In the calculations of roll torque of ablation lag, a rapid method for calculating combined influence of ablation injection and roughness on skin friction coefficient is mainly described.
质量浓度为5%的悬浮液在在整个质量流量范围内总是表现出比水好的冷却性能，它对应的是更低的壁面温度以及更好的传热系数。
The 5% suspension always shows better cooling performance than water with lower wall temperatures and enhanced heat transfer coefficient within the whole range of mass flow rates.
本文建立了面极化柱(球)体面极化系数的一般表达式。
A general expression of surface polarization coefficient for a surface polarizable cylinder (or sphere) was established.
对不同分频值下水刺绑定羽绒网的厚度、面密度、热流量和导热系数作了测量，并对其相互关系作了讨论。
The thickness, surface density, heat flux and heat conductivity of spunlaced binding down web were tested under different frequency values, and the relationships between them were also discussed.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
采用传统微扰法和基于圆柱曲面修正的微扰法，计算了实际粗糙面掠入射时的后向散射系数，并与有关测量值进行了比较。
Comparison of a set of measured data to numerical computations of the backscattering coefficients for actual natural rough surface by the classical and new perturbation methods were given.
实例计算与方法验证表明，该方法能够简单而有效地确定膜孔灌溉田面综合糙率系数。
With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed.
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