This article points out a method for the selection of polarographic base solution using orthogonal design experiment, when single factor changes.
本文提出了在单因素变化实验基础上，以正交设计实验确定极谱最佳底液体系的方法。
Methods: the extraction technique was evaluated by single factor experiment and orthogonal design, with the extraction rate of the asiaticoside as indicator.
方法：以积雪草苷提取率为评价指标，采用单因素实验与正交实验设计优选出积雪草中积雪草总苷的提取条件。
Secondly, with the orthogonal design method and single-factor-experiment, the technics of synthesizing Hydroxyl-terminated copolymer of CHO -thf have been studied in this paper.
其次，本文用正交实验设计和单因素寻优等有关实验方法对端羟基环氧环己烷-四氢呋喃共聚醚的合成工艺进行了研究。
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