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1)  radial distribution of winding
径向分布长直螺线管
2)  long straight solenoid
长直螺线管
3)  radial distribution of pitch
径向螺距分布
4)  long-straight current-carrying solenoid
长直载流螺线管
5)  diameter distribution
直径分布
1.
The nonparametric kernel density theory and methods are introduced to model the diameter distribution of broadleaved Pinus koraiensis in Liaoning eastern mountains in contrast with the normal distribution and Weibull distribution.
结果表明,核密度估计方法在模拟直径分布方面明显优于后者。
2.
stand for water resource conservation,the growth process and diameter distribution characteristic of Larix Principis-rupprechtii Plantation in 10 years old were studied using stem analysis method of sample tree,which had two density structures(one was 2 600 per hm2,the other was 3 500 per hm2) in water conservation forest region of Wutai Mountain in Shanxi Province.
hm-2)的人工林生长过程和直径分布进行研究。
6)  helical solenoid
直螺线管
1.
Applying a method for calculating off-axis field from axial field to magnetic fields of Helmholtz coil, helical solenoid and circular loop, siniple formulas for analyzing magnetic field homogeneity are derived,and the numerical results are discussed.
采用由 Helm holtz 线圈、直螺线管及圆电流对称轴上的磁场来计算轴外磁场的方法,求得磁场均匀性的简单公式,并对计算结果进行了讨论。
补充资料:原子径向分布函数
分子式:
CAS号:

性质:电子出现在半径为r的球面附近单位厚度球壳内的概率,以符号D(r)表示。通常定义D(r)为:D(r)=4πr2R2(r),其中R(r)为原子轨函中的径向部分。它反映电子云的分布随半径r的变化情况。对氢原子而言,径向分布函数最大值在r等于玻尔半径α0处,在此意义上可以说玻尔轨道是氢原子结构的粗略近似。

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