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。
The single-factor model thinks, the rate of return of the stock can be explained with system risk and none system risk together, but it limits the system risk in a factor (such as market index).
单因素模型认为，股票的收益率可以由系统风险和非系统风险联合解释，但它把系统风险限制在一个因素（如市场指数）当中。
This paper proposed an evaluation model for different source image fusion quality to resolve the limitations of single factor index on the quality evaluation.
针对单一因素指标对图像融合质量评价的局限性，提出了一种异源图像融合质量评价模型。
Finally, the affected degree of factors is evaluated by applying partial relation coefficient analysis method and single factor weighted index method.
最后分别运用偏相关系数分析法和单项因子权重度量法来估算各因子的影响程度。
Methods Single factor and orthogonal experiments were designed to determine the extractive rate as the index of evaluation and to optimize the extraction technology.
方法 采用单因素及正交试验设计，以浸膏率为考察指标优选乌鸦果提取工艺。
Based on single factor experiments, sample amount, extraction temperature, extraction pressure and time were selected for L9 (34) orthogonal tests using the extraction yield of puerarin as index.
在单因素试验的基础上，选择萃取投料量、萃取温度、萃取压力、萃取时间四个因素，进行L9(34)正交试验设计，评估了这些因素对葛根素提取率的影响。
Based on single factor experiments, sample amount, extraction temperature, extraction pressure and time were selected for L9 (34) orthogonal tests using the extraction yield of puerarin as index.
在单因素试验的基础上，选择萃取投料量、萃取温度、萃取压力、萃取时间四个因素，进行L9(34)正交试验设计，评估了这些因素对葛根素提取率的影响。
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