1) plotting position formula
经验频率公式
1.
This paper, after analyzing the theoretical bases of three plotting position formulae, uses statistics test method to choose the best one for P Ⅲ distribution.
本文在阐述了三种经验频率公式的理论基础后，通过统计试验方法评价它们对Ｐ－Ⅲ型分布的适用性。
2) empirical formula of specific acoustic resistence
声阻率经验公式
3) empirical frequency
经验频率
1.
Estimation of first empirical frequency confidence region of historical floods recorded at Tian e Hydrometric Station;
天峨水文站历史洪水首项经验频率置信区间估算
2.
In frequency computation of hydrology, empirical frequency has a significant effect on the results of the curvefitting method.
水文频率计算中，经验频率对适线法的结果有重大影响。
4) experimental frequency
经验频率
1.
Programming with VB6 for hydrologic experimental frequency curve-fitting software;
用VB6编写水文经验频率适线软件
2.
For application in planning and design,it is necessary to retrieve the burst flow volume to check the reasonableness of the flood calculation,and to estimate the experimental frequency of the peak and flood volume of the extraordinary floods occured in Nenjiang River and Songhua River in 1998.
为了提供工程规划设计应用，有必要对１９９８年嫩江、松花江特大洪水资料进行决口水量还原、校核和合理性检查，并合理估算洪峰、洪量的经验频率。
5) formula of vibration frequency
频率公式
6) 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
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