An airline's management strategies in a competitive air transport market

Over the last decade, the demand for domestic and international flights in Korea has increased substantially. To meet the strong flight demands, several low cost carriers have begun to offer flight services. In addition, full service carriers have been motivated to establish their own subsidiary low cost carriers to maintain their market share against rival low cost carriers. This paper studies the management strategies of three kinds of airlines - full service carrier, its subsidiary low cost carrier and rival low cost carrier - based on game theory in the competitive air transport market. Each airline is assumed to act as a player and chooses strategies regarding airfare, flight frequency, and the number of operating aircrafts for specific routes while maximizing its own profits. Demand leakages between the airlines are considered in the flight demand function according to the selected strategies of all airlines. Through various game situations reflecting realistic features, this study provides managerial insights that can be applied in the competitive air transport market.     

隆林县卡达水库大坝灌浆施工实践

文章对卡达水库的帷幕灌浆施工实践进行分析，总结在地质条件较复杂的库区内进行帷幕灌浆施工如何确保质量和安全的方法。     

水库大坝白蚁危害及其防治新技术

白蚁是地球上最古老的昆虫之一,至今已生存了2.5亿年。在我国很多地区,白蚁对房屋建筑、水库堤坝、农林生产、通信电缆、交通设施、图书档案等各个领域造成了严重的危害。白蚁危害隐而难察,水库土坝被白蚁掏空坝体是我国南方地区一些中小型水库经常遇到的问题。文章从白蚁危害现状着手,通过对＂复合土工膜＂防治办法和采用灌浆处理法2种方法进行对比后得出结论,在中小型水库中采用灌浆处理法可有效地堵塞白蚁掏洞造成的漏水通道,解决蓄水难题。     

粮食皮带机防漏料结构设计及仿真

粮食企业经营集中度的加大,对粮食仓储设备自动化的要求日益提高,大流量粮食皮带机作为仓储企业存储、转运的重要设备,其性能成为影响粮储企业生产效率的重要因素。根据用户需求,对皮带机从动辊结构进行改进,加装漏料回收装置,提高设备性能。经用户实际使用,该设计满足使用要求。     

Strategies for minimising tourism leakages in Indo‐Chinese development countries

For developing countries in Indo‐China embarking on tourism for economic growth, their success hinges on minimizing three types of tourism leakages, namely financial, structural, and operational leakages. This paper proposes financing and market strategies for those countries to reduce tourism leakages. The strategies suggest that Indo‐Chinese developing countries should target fairly‐developed countries in Asia as their main capital markets and tourist feeders at the early stage of tourism development. In later phases of tourism growth and expansion, they may seek tourism capital and tourists from both fairly‐developed and well‐developed countries. The recent Asian financial crisis has presented new challenges to Asia Pacific tourism. It may, however, create opportunities for developing countries in Indo‐China to attract more regional tourists and investors and reduce tourism leakages.     

通风空调风管系统漏风量测试方法的探讨

风管漏风量的大小是检验通风与空调系统工程质量和降低能耗的一项重要指标,现行国家规范中的漏风测试方法的测试装置复杂,操作过程复杂,在施工现场漏风量检测中较难实现。本文提出的Q89型风管漏风测试仪测试法经过工程实测证明具有整台仪器小巧、灵活、检测迅速、方便、精度高等优点,值得在通风空调风管系统漏风量现场检测中推广应用。     

库存与运输联合优化中的信息共享研究

信息共享可以缓解供应链信息扭曲,优化库存与运输联合的订货批量,取得系统总成本最小的订货批量,降低供应链中的库存和缺货成本,有助于得出最优的库存与运输决策,提高整个供应链的竞争力。研究库存与运输联合优化中的信息共享问题不仅具有重要的理论价值,也具有极大的实践意义。但当前,库存与运输联合优化信息共享中还存在信息泄露、联合优化利润分配问题、道德风险、信用信息共享困难等一系列问题和障碍。为促进库存与运输联合优化信息共享,应多方面着手,建立信息共享激励机制,签订多边保密协议,建立分级信息准入制度,竞业禁止,建立合理的收益分配制度,实施激励定价,建立长期战略伙伴关系,建立信用信息管理体系,完善相关法规。     

金融漏损、效率修正与"反哺效应"——中国转轨经济金融低效率与经济高增长研究的新视角

在我国渐进式的转轨经济过程中,在政府强控制金融与高额储蓄条件下,体制内经济体发生金融漏损并由体制外经济顺守,修正了金融初次配置效率,形成了金融低效率与经济高增长并存的结果。理论与实践表明,体制内金融的外向漏损间接支持了体制外经济的成长发展,形成了"反哺效应",构成了一个非正规的经济增长良性循环模式。文章从金融效率与经济增长角度分析了我国转轨过程中的金融漏损、效率修正与经济增长,对我国转轨经济中金融低效率与经济高增长现象进行了分析。文章认为应通过进一步推进国有企业与国有银行产权改革、加快民间金融发展等措施改进与提高我国的金融效率。     

小洼油田井口密封胶圈漏失原因分析

针对小洼油田生产现场的密封胶圈使用情况进行分析,找出了造成密封胶圈频繁漏失的主要原因,为同类稠油油田现场管理提供参考。     

加氢裂化装置节能对策探讨

加氢裂化原料逐渐重质化、劣质化,带来3种不利因素:一是腐蚀增加,尤其是氢气阀门内漏造成氢气浪费;二是易于结垢,对原料油高压换热器运行带来潜在的不利因素;三是燃料用量上升。因此重视和积极实施节能对策,对加氢裂化装置的长周期运转起着决定性的作用。文章对加氢裂化装置历年来采取的节能新技术、新装备和新举措进行了回顾总结。