公务员培训管理理念及战略组合研究

作为“公务员培训特色研究”课题的总论 ,文章的基本观点是 :从教学管理过程来看 ,培训教育是一个可以“交换”的产品 ,围绕这一产品的开发 ,构成了培训环境分析 (SWOT)、培训管理人员管理、培训岗位需求调研、培训目标对象细分、培训实施、培训监控等几个主要环节的战略管理过程。     

对“三从一大”训练原则的再思考

“三从一大”训练原则从提出至今已发挥了巨大的作用，但随着竞技体育竞赛体制的不断改变，竞技体育运动的日益职业化，以及科学技术在竞技体育运动中的广泛应用，赋予了“三从一大”运动训练原则以新的内涵。本文将重点阐释新时期“三从一大”训练原则的科学实施。     

高速磁浮列车技术及其在我国客运交通中的战略地位

高速磁浮列车是当前唯一能达到５００公里／时运营速度的地面交通工具．技术已经成熟．正进入实用运营线建造阶段，将在２１世纪高速客运中发挥重大作用。本文简要介绍了高速磁浮列车技术的发展情况与特点，分析了其在客运交通系统中的地位。从我国国情出发，本文论述了其在我国未来客运交通中的战略地位，并对我国当前发展磁浮列车技术提出了一些建议。     

A direct comparison of physical block occupancy versus timed block occupancy in train timetabling formulations

Two fundamental mathematical formulations for railway timetabling are compared on a common set of sample problems, representing both multiple track high density services in Europe and single track bidirectional operations in North America. One formulation, ACP, enforces against conflicts by constraining time intervals between trains, while the other formulation, RCHF, monitors physical occupation of controlled track segments. The results demonstrate that both ACP and RCHF return comparable solutions in the aggregate, with some significant differences in select instances, and a pattern of significant differences in performance and constraint enforcement overall.     

企业贯彻ISO9000标准的基本思路

总结了我国企业在贯标、认证过程中的经验和教训，提出从抓住两条主线和从体系着眼，从要素着手的一整套经验证为行之有效的思路和方法。     

An assessment of railway capacity

In this paper, we review the main concepts and methods to perform capacity analyses, and we present an automated tool that is able to perform several capacity analyses. Capacity is extremely dependent on infrastructure, traffic, and operating parameters. Therefore, an in-depth study of the main factors that influence railway capacity is performed on several Spanish railway infrastructures. The results show how the capacity varies according to factors such as train speed, commercial stops, train heterogeneity, distance between railway signals, and timetable robustness.     

Debt rescheduling and the choice between bonds and loans for LDCs' foreign debt

This paper examines less developed country (LDC) borrowers' choice of financing methods. I devleop and test the hypothesis that ex-ante consideration of rescheduling affects LDC borrowers' choice between bonds and commercial loans. Banks can monitor and distinguish between permanent and temporary shocks, while bondholders cannot. Therefore, debt rescheduling based on the nature of economic shocks is feasible with loan financing. Our empirical findings indicate the debt rescheduling is considered exante in LDC lending. In addition, default risk and contract size affect the choice of financing instruments.     

城市轨道交通大小交路结合快慢车开行方案优化

城市轨道交通线路可以实行大小交路的开行模式,以克服断面客流不均衡导致的能力浪费,而这种模式使长距离乘客的出行时间增加,可以在列车开行大小交路的基础上考虑开行快慢车。以乘客出行成本与企业运营成本最小为目标,考虑列车停站时间与客流需求的关系,将停站时间纳入乘客出行成本,建立双目标非线性整数优化模型,求解乘客与运营企业的成本博弈均衡点。通过算例验证模型的有效性,结果表明,相对于大小交路嵌套的运营模式,实行“大小交路+快慢车”的运营模式可以有效降低乘客出行成本与企业运营成本。     

兰州局集团公司车务系统安全标准化体系构建实践

标准化建设是提高铁路企业效率和安全管控能力的重要途径。兰州局集团公司车务系统以标准化为主线,以实现人的行为安全可控为目标,遵循体系建设系统性、充分性、适宜性的要求,坚持体系化、标准化、闭环管理、流程再造的设计原则,从标准体系及标准评价体系、标准化车间、标准化生产指挥中心和智能行车系统等方面,对车务系统安全标准化体系功能进行设计,为构建管理规范、标准统一、保障有力的车务系统安全标准化体系提供支撑。     

Optimising flight connection times in airline bank structure through Simulated Annealing and Tabu Search algorithms

In hub and spoke airline networks, flight arrivals and departures generally have a bank structure to increase connections among spoke cities through a hub airport in order to provide cheaper service for higher volumes of air traffic. In this study, we introduce the airline bank optimisation problem with a novel mathematical model for improving flight connection times. The mathematical model aims to minimise the total connection times for transfer passengers and generates flight schedules regarding slot capacities in the hub airports. Since the problem is a combinatorial optimisation problem NP-hard and computational complexity increases rapidly for real-world problems, we employ the simulated annealing and the tabu search algorithms to achieve better solutions in a reasonable time. We generate sub-problems using real-world data and investigate the effectiveness of the algorithms. Finally, we present the results of a real case study of a Turkish airline company which has a hub airport connecting the flights between Middle Eastern and European cities.