Based on the grey system theory, a grey assessment model of groundwater quality is built by combining the method of grey relational grade analysis and the method of single factor contaminant index.
以灰色系统理论为基础，把灰色关联度分析方法和单因子污染指数法相结合，构造了一种适合于评价地下水质量的灰色模型。
Methods Using single factor and orthogonal design to determine the content of total glucosides of paeony as the index of evaluation and to optimize the extraction technology.
方法采用单因素考察及正交试验设计，以白芍总苷的含量为考察指标优选提取工艺。
Index on gel time and gel strength - the effect of single-factor test indicated that AGAR, gelatin, sodium alginate and low methoxyl pectin could gel yoghurt effectively.
以胶凝时间和凝胶强度为指标，通过单因素实验确定添加适当用量的琼脂、明胶、海藻酸钠和低甲氧基果胶可使酸乳胶凝。
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