针对实际水质评价问题,建立了渭河地面水环境质量综合评价的BP神经网络模型,并与单因子法、主成分分析法进行了分析比较。
Aimed at actual question of water quality assessment, the BP neural network model is established which synthetically assesses the surface water quality of the Wei river.
方法采用单因素试验对可能影响体外释放的各因素进行考察,用相似因子法对释放曲线进行比较。
Similarity factor was used to evaluate the effect of all those influencing factors on release profiles of cefalexin.
模糊矩阵法评价水质级别,比单因子评价法更真实地反映水体水质级别的具体归属。
In evaluating water quality, fuzzy matrix, compared with single factor way, can reflect more realistically the grade of water.
为了了解各因子对单拖作业捕捞能力发挥的影响程度,本文选择影响单拖捕捞能力发挥的12个因子指标,采用因子分析法对其进行分析。
In order to understand the effect degrees produced by different factors on the fishing capacity of otter trawl, we employed 12 factors in factor analysis.
相应地,用R型因子分析法、单变量因子克立格法和多标度分形谱便能有效地实现地球化学场的分解。
And so, the methods of R-mode factor analysis, single-variate factor Krig-ing and multifractals are used in the present paper, to disperse the compounding geochemical field.
通过单因子实验、比色法和愈创木酚法探讨PP333对试管苗的影响。
The effect of PP333 were explored by single factor design, colorimetry and Guaiacol process.
采用单因子指数评价法、模糊数学评价法和等标污染负荷法进行了环境污染现状综合评价;
The fuzzy mathematical evaluation method, the single factor index evaluation method and the equal-standard waste load method were used to analyze the data.
对煤炭环境特性的单因子绩效评价法和综合污染特性指数法进行了分析和定义。
A new quantitative assessment method for coal environmental pollution property is defined by using the pollutants output per thermal unit and the comprehensive air pollution index.
运用单因子指数法和综合污染指数法对傅疃河流域的水环境污染现状进行了评价;
Single gene index method and complex pollution indices method are used in this paper to evaluate the actuality of the water pollution in the watershed of the Futuan river.
方法通过收集浐河人造水面近年来水质监测数据,并采用单因子指数法进行水质现状评价,分析浐河人造水面水质变化特征及其原因。
Take Chan River as an example, the characteristic of water quality and reason were analyzed through the method of data collection and practice.
目的用亲和纯化法纯化嗜水气单胞菌气溶素,从单因子水平分析嗜水气单胞菌的溶血特性。
Methods:The proteins which interacted with gankyrin were screened and analyzed by affinity purification technology and mass spectrometry.
目的用亲和纯化法纯化嗜水气单胞菌气溶素,从单因子水平分析嗜水气单胞菌的溶血特性。
Methods:The proteins which interacted with gankyrin were screened and analyzed by affinity purification technology and mass spectrometry.
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