经济合理性

• I analyze the economic effect of crane management through the calculation of standard inspection & maintenance time and definition of related mathematics model . finally , i propose two - dimensional evaluation index system of crane management
  通过对现行设备标准检修台时的计算和相关数学模型的建立，对设备管理的经济合理性进行实例分析，提出了设备管理的二维评价指标体系。
• Because of the weakness of the market and the economy function of government , the existence of policy finance is necessary . agricultural policy finance is an important tool to support , protect , and promote agriculture . 2
  农业政策性金融是政府实施农业保护政策的不可或缺的重要工具，它的存在具有经济合理性和不可替代性，并具有即使有盈利能力也不以盈利为目的的行为特征。
• The different coefficients of stability of changing these factors are given , so the factors that are vital to the lateral stability of x - type arches are found , and the rationality of the methods taken to enhance the lateral stability of yesanhe bridge is evaluated
  文中给出了各因素变化情况下的稳定安全系数，指出了对钢管混凝土提篮拱稳定性有显著影响的因素及其合理变化范围，并对野三河大桥提高稳定性的措施的经济合理性进行了分析。
• Therefore , it is very important to study the rock mass quality classification and properly assess the surrounding rock mass stability of a large span and high side wall underground powerhouse . it not only determines the success of the project , but effects the investment and time limit
  因此，围岩岩体质量及其稳定性评价对于这种修建在复杂岩体中的高边墙、大跨度地下洞室群来说至关重要，不仅决定地下工程的成功修建，而且决定着工程的安全性和经济合理性。
• In chapter 2 , the author defines the " private investment company " as " a collective investment vehicle which privately offers its securities to sophisticated investors and invests in securities mainly with great risks . " the private investment company is different from others , such as registered investment company , etc . in chapter 3 , the author analyses the necessity of identifying the private investment company in legislation
  在第三章，本文分析了私募基金存在的经济合理性，考察了其他国家和地区的私募基金立法，指出在我国目前经济生活中也存在着大量的“准私募基金” ，但由于缺乏必要的法律规范，其对投资人、基金经理人和市场稳定都是巨大的威胁。
• The software ansys6 . 0 is used to analysis the stability of the state after construction of tongwamen bridge , linear method is used in analyzing the finite element model of the bridge , the coeffient of stability of different state after construction is given . on the basis , the effect of different factors such as the arrangement of lateral brace , the sloping angle of arch ribs , the stiffness of bridge deck system , the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed . the different coefficients of stability of changing these factors are given , so the factors that are vital to the lateral stability of x - type arches are found , and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated
  本文应用有限元分析商业软件ansys6 . 0 ，采用线弹性方法，通过对该桥的空间有限元模型进行稳定性分析，得出其成桥运营阶段各种工况下的稳定安全系数。在此基础上，本文还通过有限元模型分析，就拱的矢跨比、吊杆(立柱)的非保向力效应、桥面系的刚度、横撑布置形式、拱肋侧倾角等因素对该桥整体稳定性的影响展开探讨与研究。文中给出了各因素变化情况下的稳定安全系数，指出了对钢管混凝土提篮拱横向稳定性有显著影响的因素及其合理变化范围，并对铜瓦门大桥提高横向稳定性的措施的经济合理性进行了分析。
• The study on the connection project of the northwest power network and north china power network and the construction of hydropower bases in the southwest region is developed in the aspects of the hydropower development scale in the western of china , time sequence , possible capacity of power to be delivered to the outside , transmission directions , its economic reasonability and technical feasibility
  对西北、华北联网工程和西南水电能源基地建设的研究，主要围绕西部水电开发规模、时序、可能外送电力的能力、流向，以及其经济合理性和技术可行性展开。
• 《 international circulation 》 ： and my second question is for most patient with hypertension , they should take the anti - hypertensive drugs all their lives , now the pharmaco - eonomics has been an important part of hypertension research , what should we consider to assess real cost - effectiveness of anti - hypertensive drug , and how should we guide our clinical guidelines
  我的第二个问题是对于大多数高血压患者而言，他们都需要终身服用抗高血压药物，而且目前药物经济学已经成为高血压研究与治疗中非常重要的组成部分，我们是否应该认真评价一下抗高血压药物的经济合理性，另外如何知道我们的临床指南呢？
• This paper ’ s constructive land forecast is based on land planning and stat forecast . on the basic of analyse of constructive land actuality and the change mechanism in toksun county , apply four kind of forecast models to analyse the result . choose gm ( 1 , 1 ) model and regression model according with the constructive land actuality and the change mechanism in toksun county . and combine the “ 十一 五 ” planning of government and the arrangement of emphases industry item to forecast the demand of constructive land and change current of land use structure in planning period ( 2010 and 2020 ) . it adopt reasoning means of acceptability , according to constructive land scale , considering economy rationality 、 advancement and applicability of technic feasibility of constructive condition and sustainability of zoology environment , to analyse the feasibility of constructive land scale . at the last , put forward advice of the constructive land supply
  在托克逊县建设用地现状和变化机制分析的基础上,采用4种预测模型进行对比分析,选取符合托克逊县建设用地变化机理的模型: gm ( 1 , 1 )模型和回归预测,综合这两种预测方法,并结合政府“十一五”规划以及“十一五”期间重点工业项目安排情况,对规划期( 2010年、 2020年)各类建设用地需求数量和土地利用结构的变化趋势进行预测。采用合意度论证方法,综合考虑建设用地预测规模的经济合理性、技术的先进性、适用性、建设条件的可能性以及生态环境的可持续性,对建设用地规模进行可行性论证,最后提出建设用地合理供给对策。
• It is proposed that the fixed capacity investment and cargo discharge regression forecasting model and the optimal average information customer distribution model can be used to predict the cargo o - d distribution . the capacity limitation dynamic increment comprehensive network model can be applied to the prediction of the channel cargo transportation discharge and the turnover discharge in the main courses . the main courses network plan grade can be verified by the total cost method , and according to which the economic rationality of constructing different grade channels can be evaluated
  本文开展了平原水网地区航道网规划方法的研究，提出了采用固定资产投资完成额与货运量回归预测模型；平均信息量用户最优分布模型预测货物o - d的分布；容量限制动态增量综合网络配流模型预测干线航道货物运输量和周转量；采用总费用法论证干线航道网规划等级，据此评定建设不同等级航道的经济合理性。