| 1. | Dynamic and economic parameters are deduced and program is developed . fourth , clutch work model is constructed . the friction work and the starting jerk of clutch are studied 对动力性和经济性评价参数的计算模型进行了推导,编制了这两种参数的计算程序。 |
| 2. | Through computing some economic parameters , the article separately demonstrate whether the real reverse conditions is in accordance with the proposals of the article111 文章计算每一阶段的有关参数,分别验证两阶段国外净资产和经常项目逆转的经济稳定增长条件是否与文的结论相符。 |
| 3. | In power plant , many important technical and economic parameters can not be measured accurately in an online and real time way , which has influenced the safety and economic performance of power plant operation 影响火力发电运行安全和经济性的重要因素之一是许多重要技术参数和经济参数,难以在线实时测量。 |
| 4. | The factors that contribute to the boiler efficiency are used as the inputs of the model , and economic parameters such as the boiler efficiency and the coal consumption of electricity are used as outputs 模型以影响锅炉效率的因素为输入变量,以锅炉效率及发电煤耗等为输出变量,用电厂采集的数据样本进行训练。 |
| 5. | Thirdly , the best deployment of shipping lines and fleet installment plan can be regularized , in consideration to the distribution of the shipping lines " capacity and the fleet ' s tug ability , as well as a comprehensive judgement of economic parameter 然后,针对航线运量的分布情况和船队拖带能力以及运营经济参数的综合评判,确定最佳的航线配船模式和船队的规划方案。 |
| 6. | Not only the special factors affecting each economic parameter but also the mutual limitation among and optimization of economic parameters are put into consideration under the condition of the overall targets of concession contracts , thus conclusions more suitable to the practical conditions are obtained 在分析中,不仅考虑影响每个经济参数的特殊因素,还考虑了在合约整体目标条件下各个经济参数之间的相互制约优化问题,得出了更符合现实条件的结论。 |
| 7. | Under the whole designing framework of concession contracts , the choice of such main economic parameters as products or service price , concession period , rate of return on investment , governmental support in infrastructure concession contracts is comprehensively and systematically analyzed in this dissertation 本文把基础设施特许权合约中的主要经济参数水平的选择,诸如产品或服务价格、特许权期限、投资回报率、政府提供的支持等,放在合约设计的整体框架下进行综合系统分析。 |
| 8. | Under the condition of asymmetric distribution of npv probability , the probability of npv less than 0 can more accurately describe the risk of investment retun then the probability of npv less than 0 that concessionaire may accepted determines the condition satisfied by the economic parameters of concession contracts . with the premises of expected objective value of each parameter fixed by the designers of concession contracts and the weighted value of this parameter , an optimal objectiv 特许权人可以接受的npv小于零的概率决定了特许权合约经济参数需要满足的条件,在特许权合约设计者可以对每个参数确定一个初始的期望目标值和该参数的权重条件下,本文通过构造一个优化目标函数,解决了合约经济参数的优化选择问题。 |
| 9. | The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced . based on such research objects as northern guo river of bozhou , jiangtang of fuyang and key city zones , a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area . the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method , areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater , optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area 本论文针对淮北地区水资源开发利用现状及存在问题,以安徽亳州涡河以北地区、阜阳姜堂乡和重点城市区为研究对象,运用系统工程观点,采用数学模型方法,对该区水资源问题进行了综合研究,主要内容为: ( 1 )地下水资源及开发利用现状; ( 2 )地下水计算参数测定和计算方法; ( 3 )灌区经济参数; ( 4 )采用有限单元法、面状井系法、水均衡法,建立亳州涡河以北地下水位预测模型; ( 5 )建立阜阳姜堂及茨淮新河北部的农灌区水资源优化配置模型,应用系统分析的方法,研究地表水与地下水联合运用,农业最优种植模式及各种水源的最佳分配比例; ( 6 )淮北地区水资源开发利用存在问题及建议。 |
| 10. | The designing of concession contracts involves many complex legislative and economic issues , such as the financial situations of governments , optimization of resources , protection of consumers " benefits , incentive firms to rational investment , improvement of production and operation efficiency of concessionaire , etc . with the rational return on investment as a kernel issue in the designing of concession contracts , the comprehensive economic parameters are integrated analyzed in this dissertation in order to realize the multiple targets of governments in concession projects 特许权合约设计需要考虑政府的财政能力、实现资源优化配置、保护消费者利益、激励特许权人进行合理投资和提高生产经营效率,涉及许多复杂的经济问题。在合约设计中,这些问题的分析需要围绕投资者实现合理的投资回报来进行,对特许权合约的诸多经济参数综合分析,以实现政府在特许权项目中的多重目标。 |