indirect catchment area

As the generalizations of the concepts of the related grey numbers,interval grey sets,interval sets and totally ordered interval sets are respectively defined.

针对灰色不确定性问题提出了灰色集合的概念,作为对相关灰数概念的拓广,分别定义了区间灰集、区间集及全序区间集,并对它们的相关性质进行了探讨。

Optimization of the collection region in preparative high performance liquid chromatography with exponentially modified Gaussian (EMG) model;

修正高斯模型在制备液相色谱收集区间优化中的应用

The authors review the concept and characters of service, and summarize the studies about the service quality, mainly on its concept, factors system, the application of the zone of tolerance, and the culture抯 effects.

文章概括了服务的概念及特性、服务质量的概念、服务质量要素的研究状况和服务质量接受区间的应用,并简要说明了文化对服务质量要素的影响。