This paper presents a single factor heteroscedastic model, deduce a method of this heteroscedastic analysis, and presents the estimation of mean and variance in this model.
本文提出了一种单因子异方差模型，导出这种异方差分析方法，并给出了模型中均值与方差的估计。
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。
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。
The combination of comprehensive safety factor method and reliability method is much advantageous than the single safety factor method in the analysis of slope stability.
综合安全系数和可靠度方法进行边坡稳定分析比单一采用安全系数法具有明显优势。
Meanwhile, the optimal conditions for laccase production were obtained by the means of single factor analysis and orthogonal method: maltose 3%, yeast extract 0.
同时利用单因素分析和正交试验确定了灵芝的最适产漆酶条件：麦芽糖3%、酵母浸粉0。
The limitation and disadvantages of the existing thinking model for scientific studies of acupuncture and moxibustion (single factor analysis method) are analysed.
对现有针灸科研思维模式(单因素分析法)的局限和弊端进行剖析。
Finally, the study of dominant pathways of oil and gas migration has been done with the single-factor comprehensive analysis method and the multi-information superposition method.
利用单因素综合分析和多信息叠合方法对油气优势运移通道进行了研究。
The catalyst preparation conditions were optimized by orthogonal layout method and single-factor experimental analysis.
通过正交实验筛选催化剂制备条件，单因素实验优化制得催化剂。
Based on these results mentioned above, further single factor analysis has been made to provide basis for casing program design and completion method optimization.
以上述成果为基础，本文进一步作出单因素分析，为完井方法优选提供依据。
During the extracting process, four main factors, namely solid: liquid ratio, immersing time, extraction temperature and extraction time were studied by using single factor analysis method.
在提取过程中，通过单因素法分析了几个主要因素：料液质量比、超声波提取功率及超声波提取时间对提取率的影响。
During the extracting process, four main factors, namely solid: liquid ratio, immersing time, extraction temperature and extraction time were studied by using single factor analysis method.
在提取过程中，通过单因素法分析了几个主要因素：料液质量比、超声波提取功率及超声波提取时间对提取率的影响。
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