neff meaning in English

内夫
有效塔板数

Neff , w . d . ( 1980 ) , an observational and numerical study of the atmospheric boundary layer overlying the east antartic ice sheel . ph . d . thesis , university of colorado
南极东部冰原上空大气边界层的观测和数值研究，在科罗拉多大学作的博士论文。
Neff , thomas l . " privatizing u . s . national security : the u . s . - russian heu deal at risk . " arms control today . arms control association , august / september 1998
1998年8月至9月私有化美国国家安全：美国与俄罗斯间的浓缩铀协定岌岌可危《今日武器管制》，武器管制协会。
Secondly , a new method was proposed to obtain two important coefficients of the ce : knsbn crystal , rreff and neff , by fitting the variation of response time as a function of 2 . thirdly , the temporal behavior of the pump beam , signal beam and fanning and the influence of fanning to twm were carefully studied and analyzed under different incident conditions in twm
在不同写入光强比和写入总光强下，获得了ce ： knsbn晶体两波耦合过程中信号光及泵浦光的时间演化曲线，分析了光扇的时间演化和光扇效应对两波耦合动态过程的影响。