水平分析法

采用Plackett-Burman多因素两水平分析法和Box-Behnken响应面分析法对这8个因素进行多因素交互作用的实验设计，随后按照设计要求在摇瓶水平上进行实验；

Coli by pre-experiments and the literature reviews . Then we design the experiments to test how these factors work with the corresponding statistics analysis methods-Plackett-Burman multi-variable-two-level method and Box-Behnken response surface analysis method .

改进了水平层分析法，用于计算任意位移模式的土压力分布。

The method of level-layer analysis is improved to calculate the earth pressure with arbitrary displacement modes .

利用水平层分析法，分析被动土压力的分布规律。

By using the method of level layer element , the distribution of passive earth pressure is analysed .

采用改进的水平层分析法计算各转角下的土压力分布，并得到土压力合力大小及其作用点的计算公式。

The modified horizontal layer analysis method of active pressure was used to calculate lateral earth pressures , total lateral forces and the applied points under different rotating angles .

全面提高我国油气储运事业的整体水平层次分析法在油气储运工程中的应用综述

To Improve overall Technology Level of China s Oil and Gas Storage and Transportation Industry in an All-round Way ; A Review of Applying Hierarchical Analysis to Hydrocarbon Storage and Transportation Engineering

通过对虫媒传染病及其媒介生物的传入风险可能性分析，和传入危害严重程度分析，并采取风险水平矩阵分析法，确定了虫媒传染病及其媒介生物传入的风险水平。

It is evaluated the level of risks of imported vector-borne infectious diseases and vectors through analyzing the risk possibility , and the severity of hazards , as well as adopting matrix analysis for level of risk . 3 .

为了延长保质期及保持外观，本试验采用低温真空冷冻干燥技术对蕨菜进行干燥试验，采用3因素3水平的响应曲面分析法优化了干燥工艺参数。

To prolong shelf life and maintain exterior appearance , vacuum freeze-drying was applied to dry fiddlehead , and drying parameters was optimized by three factors and three levels response surface methodology .

在此基础上提出了用主成分分析法确定区域各子系统的发展水平，用回归分析法确定各子系统协调发展水平的区域可持续发展评价方法。

Furthermore , the principal component analysis method was put forward to determine the development level of each subsystem , the regression analysis method was used to determine the level of their coordinated development , and a method was provided for the evaluation of regional sustainable development .

安全管理水平：运用模糊数学理论和灰色系统理论，建立了重大危险源安全管理水平动态综合分析法。

Safety management : Establishes the dynamic comprehensive analytical method on major hazard and safety management of the major hazard by applying the grey system theory and fuzzy math theory .