费用现值

UV消毒方式的费用现值约为其他消毒方式的1.3-2倍。

And the NPV of UV disinfection is about 1.3 to 2 times than all other disinfection systems .

通过计算费用现值、费用年值以及动态追加投资回收期，分析了优化设计后地源热泵系统的经济性，并与常规供热制冷系统进行比较。

Its present value , annual value and addition investment are calculated and compared with that of the conventional air-conditioning system .

该模型的最优准则是：管道在设计寿命期内所需的总费用现值最小。

In the model , the minimum total discounted cost during the whole life of the pipeline is taken as the optimal criterion .

以成品油管道系统评价期内总费用现值最小为目标函数，建立了带分支的长输成品油管道工艺方案优化设计的数学模型。

Aiming at the minimum total discounted cost in the life expectance of the refined petroleum products pipeline , the optimal design mathematical model with branches is established .

在技术经济评价中，本文采用了费用现值法、差额内部收益率法和费用&效益分析法等经济学方法对各方案进行了比较分析。

The economic methods such as CPV ( cost present value ) , AIRR ( internal rate of return ) and C-B ( cost - benefit ) are adopted to judge the projects .

系统地介绍了设备经济寿命的定义，确定设备经济寿命的静态模型和动态模型及五种设备更新方案的费用现值比较方法，并举例说明各种方法的具体应用。

The definition of equipment economic life was introduced systematically . The static model , dynamic model , and five comparison methods of the cost present worth of equipment renewal scheme were also introduced with examples .

如果是两个以上的方案需要用净现值法、净年值法、费用现值法和费用年值法进行判断，从中选出最优方案。

When there are two or more options , then one must use net current value method , net year-end value method , cost current value and cost year-end value method to make a judgment and find the most optimal option .

b.地基回弹模量每增高20MPa，水泥混凝土路面各项费用总现值可节约5.27%，而沥青混凝土路面仅节约1.65%。

For each 20 MPa increase of resilience modulus of subgrade : the saving of present worth of all the costs of cement concrete pavement may reach 5.27 % , while that of bituminous concrete Pavement is only 1.65 % .

文中着重介绍卫星的研制费与产品费的估算方法、费用的现值分析和费用矩阵的应用。

The methods of estimation of non-recurring cost and recurring cost of a satellite , analysis of cost present value and application of cost matrix are emphasized .

传统投资决策方法以净现值法为代表，通过比较预期收入流和费用流的现值来进行决策。

The traditional investment decision methods , represented by Net Present Value method , compare the present values of expected income and cost stream to decide .

在考虑资金时间价值的基础上，研究了工程项目的动态进度费用优化，以求取项目具有最低费用现值的进度计划方案。

Secondly , the time value of capital is considered , the dynamic schedule cost optimization is researched in this paper .

同时也通过分析，建立了土地征地费用模型和降低路基高度后节省的费用现值模型。

Meanwhile , we make two models after research on signing the land charges and the saving charges after lowering the height of embankment .