首先，建立经济评价模型。
多项工程地质环境质量损益经济评价模型；
The evaluation model for quality of multi - engineering geological environment;
建立起聚合物驱油技术的油藏适应性经济评价模型。
A technical and economic evaluation model was established on the reservoir adaptability of polymer flooding technology.
第四章基于次约束的经济评价模型及对副省级城市的实证研究。
The forth chapter discusses the economic evaluation model based on the inferior constraint and the empirical research of sub-provincial cities.
第五章基于循环修正思路的经济评价模型及对省级行政区的实证研究。
The fifth chapter introduces the economic evaluation model based on circling modification and the empirical research of 14 provincial administrative regions.
因此运用价值工程原理和模糊数学原理建立了设计变更方案和施工方案变更方案的技术经济评价模型。
Using value engineering theory and fuzzy mathematics theory, the paper establishes design change scheme and construction methods change scheme evaluation model.
运用技术经济的基本原理，建立了低渗透气藏储量最优经济评价模型，为低渗透气藏储量经济评价提供一种简便的方法。
Basic principle of technology economy was applied for building optimizing economic evaluation model of low permeability gas reserves, and it is a simple method.
通过对硬岩型铀矿坑口堆浸法的工艺流程分析，总结出坑口堆浸成本由矿石开采费用、主要原材料费用等14项要素组成，并建立了地质经济评价模型。
By analyzing the technical flow of pithead heap-leaching uranium deposits of hard-rock type, the authors analyze its 14 cost items such as ore mining fee and major materials fee etc.
实际应用结果表明：煤层气开发项目经济评价方法和预测模型是项目决策科学化的重要依据。
The results show that the economic evaluation method and prediction models for coalbed methane development project are quite useful in project decision-making.
建立了网络技术经济评价的模型体系，针对目前两种网络技术(TDM和软交换)进行了经济分析。
Setup a model framework of network economic analysis, and evaluate the two network technologies: TDM and Softswitch.
依据经济评价中的盈亏平衡点，建立数学模型和成本预警机制，顺利实现成本的有效控制。
Based on the breakeven point in economic evaluation, a mathematical model and a cost-warning mechanism are established for effective control of cost.
并从理论上给出了符合国际石油合作勘探开发项目特点的经济评价方法和评价模型。
At last, methods and model have been given which accord with economic evaluation of international oil exploration and development projects.
其次在熵及熵权的基本原理分析的基础上，以经济评价指标为基础数据，建立熵权系数优化模型。
Then, on the basis of the foundational analysis of entropy and entropy coefficient, the optimized entropy coefficient model is built.
第三章在系统分析构建循环经济评价指标体系原则的基础上，建立了区域循环经济评价指标的层次结构模型，并以福建省为例进行了实证研究；
The third chapter sets up the frame model on the foundation of analyzing the evaluation index system of regional circular economy, and makes a demonstration based on Fujian Province.
第三章在系统分析构建循环经济评价指标体系原则的基础上，建立了区域循环经济评价指标的层次结构模型，并以福建省为例进行了实证研究；
The third chapter sets up the frame model on the foundation of analyzing the evaluation index system of regional circular economy, and makes a demonstration based on Fujian Province.
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