1) Hardin equation
Hardin经验公式
1.
The Hardin equation (1968) is usually adopted to calculate the elastic shear modulus Gmax of the saturated sand during earthquake in the dynamic effective stress analysis of soil structure.
在土工结构物地震有效应力分析中,往往采用Hardin经验公式计算动荷作用过程中由于孔压变化对砂土初始弹性剪切模量Gmax的影响,但由于以往试验手段的限制,这种方法的有效性至今没有得到验证。
2) Hardin's formula
Hardin公式
3) empirical formula
经验公式
1.
An approach to find empirical formula for mine ventilation using rough set theory;
用粗糙集理论确定矿井通风经验公式的方法
2.
Application of empirical formula to describe effective permittivity of microwave-assisted chemical reaction;
等效介电系数经验公式在微波加热计算中的应用
3.
Analysis of variability of empirical formulas for foundation bearing capacities;
地基承载力经验公式的变异性分析
4) empirical equation
经验公式
1.
Distribution of droplet diameters and the spline of their empirical equation for spiral nozzle;
螺旋型喷嘴液滴分布特性及液滴直径经验公式的拟合
2.
The empirical equation of milling force is achieved by regression analysis method,and proved to be tried.
使用回归分析法获取了铣削力经验公式并验证其可靠性。
3.
The dynameter is of the model 9257B, made by Kistler Corporation of Switzrland By the data obtained from the experimental study and the use of statistic method, an empirical equation of threedimensional burnishing force on an aluminium alloy(LY12) workpiece with a cylinderical polycrystalline diamond tool is es.
采用由瑞士Kistler公司生产的世界先进的9257B型多元测力仪进行了熨压力的测量,并通过实验研究以及统计学分析方法建立了采用圆柱型PCD工具对铝合金(LY12)进行熨压的三向力经验公式。
5) experience formula
经验公式
1.
The crude oil volume factors for five different complex petroleum fluids were calculated at different pressures by the new method,the Standing experience formula and Vazquez-Beggs experience formula.
911%,明显低于石油工程中常用的Standing和Vazquez-Beggs经验公式,表明该方法的计算精度较高。
2.
In this paper,we chosed some experience formulas from some coal experts to check up our measured calorific values of 48 anthracites, and found we can't give the correct appraising for the measured calorific values only by one experience formula because the errors distribution from different experience formulas have large difference.
选择一些经验公式对48个来自全国的无烟煤煤样的发热量实测值的可靠性进行了检验,发现仅凭一两个经验公式的检验结果很难对实测结果的可靠性作出正确的评价,不同经验公式的检验结果有时具有很大差异。
3.
By contrasting the PVT parameters between observed and calculations through experience formula,PVT parameters calculating experience formula which suit to geology conditions of the peripheral zones in Daqing oilfields is found.
经对实测高压物性参数测定结果与高压物性经验公式计算结果对比 ,找出了目前适合大庆油田外围地质条件下的PVT参数计算经验公式 ,可以应用于今后的油藏评价及油藏工程各种计算
6) experimental formula
经验公式
1.
The application of cumulate method to the determination of the experimental formula;
累积法在经验公式确定中的应用
2.
Taking a power plant project as an example,9 kinds of experimental formulas from 14 are used to calculate plume elevation.
归纳出国内、外关于烟气抬升高度计算的14种经验公式,并以某发电厂项目为例,用其中9个公式详细计算其烟气抬升高度,比较了各种烟气抬升高度计算公式的不同,总结出其中的规律并分析原因。
3.
In order to solve the problem of conveniently estimating the lifting force and the point stress in the course of designing and actualizing the project of oil tank lifting, the lifting force was discussed and an attempt was also made on deducing the experimental formula for the lifting force and the point stress in this paper, based on the vast me.
为了解决设计和实施油罐举升方案过程中对提升力及罐壁受力点的应力值进行快捷的科学估算问题,以大量的实测数据和现场经验为基础并结合理论计算,对油罐举升过程中力的问题进行了深入的讨论,并对提升力和应力经验公式的推导进行了尝试。
补充资料：巴尔默经验公式
分子式：
CAS号：
性质：1885年J.J.巴尔默准确测定氢原子光谱可见区谱线波长（λ）公式：。式中B为实验常数364.603nm;n=3,4,5,6,…。由此公式计算结果与实际观测值误差为百万分之一。
CAS号：
性质：1885年J.J.巴尔默准确测定氢原子光谱可见区谱线波长（λ）公式：。式中B为实验常数364.603nm;n=3,4,5,6,…。由此公式计算结果与实际观测值误差为百万分之一。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条