Investigation of the Column Efficiency and Resolution of the Gradient Loaded GC Column;
程序涂渍色谱柱柱效及分离度研究
The influence of resolution on quantitative analysis by gas chromatography is introduced.
介绍了分离度对色谱定量分析的影响,并以水中苯系物的检测为例,验证了采用峰高测量法代替峰面积测量法,可以消除数据处理机对色谱重叠峰处理时造成的偏差,得到满意结果。
The resolution between m-Dichlorobenzene and p-Dichlorobenzene is 2.
为配合二氯苯生产的需要,利用气相色谱/火焰离子化检测器,DB-5毛细管气相色谱柱,对二氯苯和对甲苯酚进行了成功的分离,难分离物质对间二氯苯和对二氯苯的分离度R=2;建立了定性定量方法,方法准确度好,RSD<1%。
The experiment is arranged by uniform design method and investigates the separation of xylitol and xylose , the recovery ratio of xylitol in the different conditions.
采用 73 2 # 钙型树脂为层析剂 ,以不同 pH的蒸馏水为洗脱液 ,用均匀设计法安排实验并考察在不同的实验条件下木糖和木糖醇的分离度及木糖醇的回收率 ,寻找较佳分离方法 ,确定较佳分离条件为洗脱液 pH =4。
Based on the analysis of current situation of urban vegetation landscape of Zhuzhou city,the study on the biodiversity of urban vegetation landscape has been done by means of 4 indexes namely diversity,dominance,fragmentation and separation from 3 aspects in pattern diversity,layout diversity and patch diversity,with the theory of landscape ecology.
在分析株洲市城市植被景观现状的基础上,应用景观生态学原理,结合具体情况和考虑研究的可操作性,选取多样性指数、优势度、分离度和破碎度4个指标,从景观的类型多样性、格局多样性和斑块多样性3个方面,对株洲市城市植被景观进行多样性分析。
Adaptive step-size natural gradient algorithm based on separating degree gradient;
基于分离度梯度的步长自适应自然梯度算法
This paper proposes to use separating degree to control the step-size of on-line blind source separation algorithm.
首先定义了描述信号分离状态的分离度,并利用分离度作为参数来控制EASI算法中的步长因子,从而提出了一种基于分离状态的步长自适应EASI盲源分离算法。
This paper introduces an indicator-degree of separation(DOS)based on restricted mean lifetimes to meas.
本文基于约束平均寿命引入分离度指标来度量分类方法的预后分类效率,这个指标可用来比较以生存时间为结局的两种分类方法的功效,特别是用于非劣性和等效性检验。
Simulation of particle separation process based on MATLAB/Simulink;
基于MATLAB/Simulink的粒度分离过程计算机仿真
