feather's empirical formula

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

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

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

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

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。

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 threedimensional burnishing force on an aluminium alloy(LY12) workpiece 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。

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。

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。

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

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

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。

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。

A Discussion on the Experiential Formula of the Wall Thickness of Glass-Lined Vessels;

搪玻璃容器壁厚经验公式的探讨

Establishing of drilling force's experiential formula for high strength steel;

高强度钢钻削加工切削力经验公式的建立

Experiential formula of drilling force and torque moment was established.

采用正交试验的方法对铁路轨道道岔材料ZGMn13进行了钻削试验,用多元线性回归法对试验结果进行了处理,建立了ZGMn13钻削力与扭矩的经验公式。

empirical rate-time equatio

产量-时间经验公式

Hazen-Williams formula

黑曾-威廉斯公式(一种经验公式

This program is also used for fitting into the experience formula on data.

该程序可用于数据的经验公式拟合。

Empirical equations are frequently used for column designing.

通常设计柱体采用经验公式。

The Analysis of the Lepton s and Quark s Experience Mass Formula;

夸克和轻子质量经验公式的理论分析

Experience formula of determining minimum miscible pressure in CO_2 flooding

确定CO_2最小混相压力的经验公式法

An empirical equation (Eq.1) was derived from the experimental results shown in Figure 10.Evidently, the jet flow turbulence and the vibration effect can be utilized to increase the burn-out heat flux and to delay the occurance of boiling crisis.

临界热负荷实验结果可由经验公式(1)表达之.

Apply the Software of Matlab to Seek the Empirical Formula in Verify Volt-ampere Relation of PN Junction Characteristic experiment

应用Matlab软件在验证PN结伏安关系特性实验中求经验公式

APPLYING THE SOFTWARE OF MATLAB TO SEEK THE EMPIRICAL FORMUAL IN VERIFY VOLT-AMPERE RELATION OF PN JUNCTION CHARACTERISTIC EXPERIMENT

在验证PN结伏安特性实验中用Matlab软件求经验公式

Acoustie formation factor formula is an empiric formula proposedrecently.

声波地层因素公式是最近提出的有关测井声速的经验公式。

He first matched the observed data with an empirical expression.

他首先用一个经验公式来适应观测数据。

Empirical formulas for thermophysical properties calculation of Pork, Beef and Cod

计算猪肉、牛肉和鳕鱼的热物理性质的经验公式

Similarity Theory Deduction of Train Aerodynamic Drag Experimental Formulas

列车气动阻力经验公式的相似理论推导

A SEMI-EMPIRICAL FORMULA ON THE PRE-NEUTRON-EMIS-SION FRAGMENT MASS DISTRIBUTION IN NUCLEAR FISSION

放中子前裂变碎片质量分布半经验公式

Establishment of Experimental Formula of Added Quantity of Coke Powder for Melting 45 Carbon Steel in Converter

转炉冶炼45~＃钢碳粉加入量经验公式的确立

Establishment of Empirical Formula for Surface Roughness of EDM in Powder Suspened Fluid

混粉电火花加工表面粗糙度的经验公式

Study on Exertion of Semi-empirical Formula for Out Channel Resedimentation on Lianyungang Coast;

连云港海域外航道回淤半经验公式运用研究

empirical formula

【化】实验式, 经验式