计算期

水电工程经济分析中无限计算期总费用最小法

A Method of Minimum Total Cost within an Infinite Calculating Period for Economic Analysis of a Hydroelectric Project

本文从研究河流最优开发程序出发，推导出水电工程经济分析中无限计算期总费用最小法，并进行了分析比较。

A method of minimum total cost within an infinite calculating period for economic analysis of a hydroelectric project derived from the results obtained from optimal sequence of exploitation of a river is described .

本项研究对四种投资方案模拟运作企业的未来现金流量进行了预测，并分别采取增量内部收益率和EVA法进行方案比较研究，研究的项目计算期为11年。

The future cash flow of the four investment priorities is not only predicted accordingly , but also optimized with the adoption of the internal increment yield and EVA method .

本文提出，无项目情况与有项目情况的区别在于，在项目计算期内相应的时间点上，相同的OD对的客货运量的大小以及耗费时间等交通服务变量是不同的。

This paper considers that the difference between " with project " and " without project " lies in unequal freight volume and traffic service factor on same O-D zone at corresponding time .

项目评价计算期等于项目建设期加项目竣工后运营期。

Assessment period is equal to project duration plus operation period after completion of the project .

计算期不同方案的比较

Comparison of Schemes with different life

项目建设期5年，计算期15年。

The pre period of the project is 5 years , and implementation period is 15 years .

指项目计算期内的经济净现金流量累计值等于零时的折现率。

It refers to cumulative economic net cash flow in the assessment period equal to discount rate at zero time .

并对高校建立人才成本核算制度的可行性和原动力不足、成本对象的特殊性与计量的复杂性以及人才成本计算期、范围和方法等问题进行了探讨。

Furthermore , by studying the educational resource speciality , we discuss the object , accounting period , scope and method .

在改扩建项目经济评价中，对于评价方法的适用性、评价范围的界定和计算期的确定，存在着不同的学术观点。

Academic views differ on the applicability of alternative methods , the scope , and how to determine the calculation period for economically evaluating natural gas pipeline upgrade projects .

在评价的范围、计算期的界定、评价参数的选取和经济评价的原则等方面，应充分考虑管道改扩建项目的具体情况和特殊性。

The particular circumstances of the project need to be fully considered when determining the scope of evaluation , the calculation period , the calculation parameters and the principles for economic evaluation .

说明经过四年的开发，此油田已经显示出良好的经济效益，从整个计算期来看，也将具有一定的效益；

It is showed that after experiencing four years'development , this oil field has revealed quite good economic benefits . Even from the view of whole calculating period , it will also have definite profit .

但是，由于聚合物驱在计算期内平均单井日产量是水驱的4.1倍，因而其吨油开发成本低于水驱，单位操作成本也低于水驱。

But the average daily oil production of single well in polymer flooding is 4.1 times of that in water flooding . So , the development investment and operation costs per ton of oil production for polymer flooding are lower than those of water flooding .

并计算双期CTA、3D-DSA诊断自发性蛛网膜下腔出血病因的敏感性、特异性、阳性预测值及阴性预测值。

The sensitivity , specificity , positive predictive value and negative predictive value of double-phase CTA and 3D-DSA in SHA were also calculated .

方法：用FACS检测39例患者口腔鳞癌、切缘组织及正常粘膜的DNA倍性并计算S期细胞比率。

Methods : DNA ploidy of oral squamous cell carcinoma , the tissue of incisional edge and oral mucosa obtained from 39 patients with oral squamous cell carcinoma were detected by FACS . S-phase fraction of them was calculated .

通过对Arps产量递减规律与油田剩余储采比变化规律关系的分析，给出了一种计算递减期油田递减指数与可采储量的简便方法。

Based on the analyses of Arps production decline law and changes of remaining reserve-production ratio . a simple and convenient method for estimating decline factors and recoverable reserves during decline period in any oil - field was presented .

方法：对既往治疗的132例非小细胞肺癌脑转移患者进行随访，计算生存期，应用SPSS软件包，采用KaplanMeier进行单因素分析，采用比例风险模型进行多因素分析。

Methods : The single factor analysis was performed in 132 patients who had been treated for brain cancer metastasized from NSCLC before with pursuit visit , survival period calculation , using SPSS software package and Kaplan Meier . The multiple factor analysis was performed with proportion risk model .

如果项目各年的现金流量是均衡的，可用以下公式计算回收期。

When the cash flows of a project are assumed to be even , the following formula can be used to compute its payback period .

模型以计算分析期内总支出费用最小为目标函数，各渠段纵坡和定性规划方案为系统变量，渠道不冲不淤流速、水头损失、投资等为约束条件。

Engineering total cost of calculation analysis time is taken as objective function Profile slopes and qualitative plans of each canal section are taken as system variable .

通过计算报告期与基期总成本、比重、单位费用和升降速度指标，从动态的角度反映综合成本总量和单位费用的变动情况，找出综合成本变动的主要项目。

And the integrated cost summation and the change of unit cost can be identified by calculating the total cost of report time and basic time , ratio , unit cost and the rate of increasing and decreasing .

本文从理论上对误期赔偿金额的构成和确定及其意义进行了详细地阐述，对如何计算误期赔偿金进行了分析，并提出了具有实际指导意义的结论。

The author expounds the component , meaning as well as its determination of liquidated damages for delay in a theoretical way , makes an analysis to its calculation and finally draw out a conclusion with practical direction .

通过计算C网三期建设项目投资规模、运营收入成本，编制财务报表。

Financial statistics report was made according to its investing scale , operation cost and revenue .

基于Excel的三表联动法计算借款偿还期

On calculation of repayment period of loan by three-diagram interaction method based on Excel

从光镜、透射电镜观察细胞形态及超微结构；流式细胞术分析细胞周期，计算G1期细胞比例；

Then the changes of cell shape and ultrastructure were observed by microscope and transmission electron microscopy , and the percent of cells in the G1 phase and SA - β - galactosidase activity were measured with flow cytometry and cytochemistry staining , respectively .

采用VBA程序，计算各物候期平均值，简要分析木本、草本、动物物候期分布规律，并选取具有代表性的木本植物垂柳和桂花做物候分布规律分析。

I calculated the average of each phenological phase with VBA program . Then I analysed phenology distribution regularities of woody , herbaceous and animal , and selected the representative woody plant of willow and sweet osmanthus tree to analyse phenology distribution .

通过外推家庭费用计算患者生存期内家庭经济负担；

Extrapolation of household costs was estimated during the illness period .

小麦抽穗后生理发育时间的计算与生育期的预测

Calculation of Physiological Development Time and Prediction of Development Stages after Heading

作业适时性损失的分析与计算及作业期的适时性优化（二）

Analysis calculation and optimization of held operation 's timeliness loss ( 2 )

本文在提出了在移动互联网中信任模型的时变性和迁移性，并参考现有的信任模型，给出了移动环境下信任模型的描述，以及计算信任有效期和信任度的方法。

New methods for trust model description , trust value calculation and trust period calculation are introduced .

计算了各期重力观测精度，结果显示1993年3月～1995年5月京西试验场存在一定重力变化。

It indicates that there were certain gravity changes from Mar.1993 to May.1995 in Jingxi testing field .