approximate formula

Deducing the Approximate Formula of Arch Field Area by Making Use of Taylor Series Iterative Arithmetic of Legendre Series Coordination Inverse Solution on Terrestrial Ellipsoid

利用Taylor级数计算弓形面积的近似公式勒让德级数计算大地坐标主题反解的迭代算法

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The approximate formula for influence of output transconductance on spurious free dynamic range ( SFDR) is obtained using Fourier series.

采用直流和交流量分离的方法，利用傅里叶级数，获得输出跨导对无杂波动态范围（SFDR）的影响的近似公式。

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Approximate formula for the response of induced current log in partitioned homogeneous medium

分区均匀介质中感应测井响弦的近似公式

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Then the finite element software ANSYS is used to simulate the orthotropic flattened Brazilian disc specimen subjected to diametrical compression, the accuracy of the approximate formula of compression displacement is checked.

用有限元分析软件ANSYS模拟正交异性岩石的巴西圆盘试样的对径压缩实验；

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The Error Analyzing and Comparing between Theoretical and Approximate Simulated Formula in Measuring The Temperature of Cold Atoms with Short-distance Time-of-flight Method

测量冷原子温度的理论与近似拟合公式的误差分析

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The article analyzes all factors concerning switching time of bi-directional multiplex section protection ring on 2-fiber, gives the approximate engineering calculation formula and basis.

本文对影响SDH二纤双向复用段保护环的倒换时间的各种因素进行了分析，给出了工程设计中的近似计算公式与依据。

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An approximate formula of the impact force for the collision between a semi-infinite elastic rod and a finite elastic beam on elastic foundation

半无限长弹性杆与有限长弹性地基梁横向冲击的冲击力近似公式

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According to the fatigue environment in the ice zone and the ice-force spectrum function, this paper establishes the approximate explicit formula of nodes stress with respect to the ice velocity and thickness.

本文结合现有的冰疲劳环境荷载及冰力谱函数，提出了相对于冰速、冰厚随机冰载的管节点应力幅显式近似计算公式；

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According to the fact that any sequence of three points observes the law of Snell refraction, the calculation starts from one end and the middle refraction point is obtained through approximate formula.

首先，从一端出发，根据射线路径上任意连续三点均满足Snell定律，利用一个近似公式逐段迭代，求取中间折射点，从而实现逐步迭代计算。

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The triangular model is considered more precise when its control angle is 30 ° and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models.

通过比较几种模型的计算结果，提出控制角为30°的三角形模型有较高的精度。

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Experimental results obtained in water fairly agree with the approximate formula.

在水中获得的实验结果与近似公式相符合.

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Conclusion The approximate formula of circumferential stress and the absolute error is accepted, which is easy for the application.

结论周向应力的近似公式及其绝对误差的公式简单易行，便于临床应用。

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Finally, we compare six degrees of freedom simulation results of ballistic re-entry missiles motion with the computing results of approximate formula. The comparison shows the feasibility of the approximate analysis.

最后用六自由度弹道数字仿真结果同近似计算结果作了比较，比较结果表明了近似分析的可行性。

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An approximate formula for crack tip opening angle a_T is derived and the regularity of a_T varying with the growth of crack is found.

导出了裂尖张开角αT的近似计算公式，并测得裂纹扩展时αT的变化规律；

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This peper introduces the theory and the approximate calculating formula for medium charge ratio in grinder.

本文导出了测算磨机介质充填率的理论及近似计算公式.

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It also provides a coefficient to revise the approximate formula proposed by CCITT Directives ( 1963 ) .

文中对该委员会 1963年 导则中给出的近似计算公式给出了修正系数.

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Makes the transition curve the coordinates of the formula more accurate, more stable performance of the approximate formula, no longer appear before the slip angle constraints and incomplete transition curve calculation of difficult problems.

使得缓和曲线的坐标公式更精确，性能更为稳定的近似公式，不再出现以前偏角限制和不完整缓和曲线计算困难的问题。

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Based on the principle of color temperature, four typical algorithms were studied for calculating correlated color temperature ( CCT), triangle perpendicular interpolative method, plank locus Chebyshev method, plank locus arc simulating method, and McCamy ′ s approximate formula.

基于色温的基本理论，对三角垂足插值法、黑体轨迹的Chebyshev法、模拟黑体轨迹弧线法和McCamy近似公式法等四种相关色温计算方法进行了比较分析。

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Exact calculating formula of area moment of inertia of H-section steel beam is instead of its approximate calculating formula, So transfer matrix method of tapered H-section steel beam about its internal force analysis is established.

用H型钢梁截面惯性矩较精确的近似计算公式来代替其精确计算公式，从而建立了楔形H型钢梁内力分析的传递矩阵法。

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On the basis of the weighted average flow velocity, approximate formula for calculation of fluid resistance ratio in eccentric and non-eccentric sprial channels was deduced.

依据此流速推导了偏心与未偏心螺旋通道中流体阻力之比的近似公式。

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It also introduces the basic theory on measuring the temperature of cold atoms with short-distance time-of-flight method, and analyzes the error between theoretical and approximate formula.

还详细介绍了通过冷原子短程飞行吸收光谱信号推测冷原子温度的基本原理，并且对用于冷原子温度测量的理论公式与近似公式进行了误差分析与比较。

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The authors recommend the selected values of the air drag coefficient of ships, in addition to the approximate formula for the longitudinal positions of the action point of the normal force.

文章对试验结果进行了初步的分析比较，提出了水面船舶空气迎面阻力系数的取值范围及法向力作用点前后位置的近似计算公式，供读者参考。

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An Approximate Formula Without Heat Capacity for Equilibrium Constant

平衡常数的无热容近似式

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