For a long time, studies on the cost-efficiency of library and information take qualitative analysis as the core, there are less quantitative researches.
长期以来，对图书情报成本效益的研究以定性分析为主，较少定量的研究。
The results indicate that the series column possesses of high separation efficiency and long column life. The error in quantitative analysis was less than 4%.
结果表明串联柱具有寿命长和分离效率高的特点，定量分析误差小于4％。
This paper presents a new fuzzy cluster analysis method for batch process recipe that has less quantitative analysis ways before and is difficult to be used for modeling or controlling system.
针对间歇生产过程的配方缺少定量分析方法，难以用于过程建模和控制策略实施的问题，提出了一种基于类核函数的配方模糊聚类算法。
However, from the comparison of 5 years, more literatures adopted modeling and case study method as well as quantitative analysis method, while less research used the method of elaboration.
但是，前后5年对比，模型构建和案例分析方法明显增长，阐述法却呈下降趋势；定量分析方法也大幅度的增加。
However, from the comparison of 5 years, more literatures adopted modeling and case study method as well as quantitative analysis method, while less research used the method of elaboration.
但是，前后5年对比，模型构建和案例分析方法明显增长，阐述法却呈下降趋势；定量分析方法也大幅度的增加。
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