1) Systematic kurtosis

系统峰度
2) system peak

系统峰
1.
It was found that the changing of analytical mobile phase, the length of preteatment column, the switching time of column switching system, the pretreatment mobile phase and the wavelength of ultraviolet detector in high performance liquid chromatography influenced system peaks.
对高效液相色谱柱切换技术中分析流动相、净化时间、预处理柱的长短、预处理流动相纯度、柱切换时间、检测器波长等对系统峰的影响因素进行了系统地讨论。
2.
Results: After inspection the factors of different ion pair reagent and ionic strength which effect the system peak and the system peak effect analytic peak,the original method was improved.
结果:在考察了不同离子对试剂和离子强度等因素对色谱系统中系统峰的形状和保留值的影响及系统峰对被分析物色谱峰形的影响后,对原先的方法进行改进。
3) signal peak analyzer system

峰值幅度分析系统
4) kurtosis coefficient

峰度系数
1.
Annual mean temperatures of 30 years from 30 different national basic weather stations in the western part of Hebei Province were used, and through analyzing the skewness coefficient and kurtosis coefficient of the population samples, the normality of annual mean temperature and geographic parameters (altitude, longitude and latitude) was studied.
选取河北省西部地区30个国家基本站30年年平均气温作为样本,通过对总体样本、分区样本的偏度系数、峰度系数的分析,研究了各站点组成的空间序列,年平均气温以及地理参数(海拔高度、经度、纬度)的正态性。
2.
Using 129 stations mean daily temperature data,probability distribution of mean daily temperature and inter-decadal variation are analyzed by deflection coefficient and kurtosis coefficient.
利用全国129站日平均气温资料,从偏态系数、峰度系数入手分析了日平均气温的概率分布特征及年代际差异,结果表明:近40年中国各季日平均气温的均值分布大致呈南高北低,夏季日平均气温的日际变化最小,四季日平均气温不服从正态分布的地理差异明显。
3.
Using 129 stations mean daily temperature data,probability distributing of mean daily temperature and inter-decadal variation are analyzed by deflection coefficient and kurtosis coefficient.
本文利用全国129站日平均气温资料,从偏态系数、峰度系数入手分析了日平均气温的概率分布特征及年代际差异,结果表明:近40年中国各季日平均气温的均值分布大致呈南高北低,夏季日平均气温的日际变化最小,四季日平均气温不服从正态分布的地理差异明显。
5) skewness
[英]['skju:nis] [美]['skjunɪs]

峰度系数
1.
Based on their skewness and kourtosis values of two population (G28×Nc2326 and K326×Cock176 crosses), the numbers of gene pairs controlling the plant height are 16 and 13 respectively.
利用花药培养得到的两个烟草DH群体,分析了株高,有效叶片数,腰叶长和宽,节距和茎围6个农艺性状的遗传力,基于两组合峰度系数及偏度系数的估算,推测其基因对数。
6) coefficient of kurtosis

峰度系数
1.
On the basis of coefficient of kurtosis,the probability density curves of the two kinds are compared.
计算了正态分布和均匀分布的峰度系数,分析了它们的几何性质,并基于此系数比较了这两类分布的概率密度曲线。
补充资料:峰不对称度
分子式:
CAS号:
性质:亦称拖尾因子(tailing factor),为衡量正常色谱峰与不正常色谱峰的指标,用T表示,其定义为:T=W0.05h/2d1。峰不对称度在0.95~1.05之间为对称峰;小于0.95为前沿峰;大于1.05为拖尾峰。
CAS号:
性质:亦称拖尾因子(tailing factor),为衡量正常色谱峰与不正常色谱峰的指标,用T表示,其定义为:T=W0.05h/2d1。峰不对称度在0.95~1.05之间为对称峰;小于0.95为前沿峰;大于1.05为拖尾峰。
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