Effective Supply Mechanism of Market-oriented Public Service: A Comparison of Shiyan and Xiamen'Buses Franchise

当前国内外公共服务逆市场化现象屡现不止，反映出传统公共服务市场化供给机制的失灵。传统公共服务市场化供给机制以分析公共物品的经济属性为逻辑起点，区分了提供与生产角色概念，在公共服务生产中引入市场竞争机制，形成了市场化供给制度安排。在传统理论视野下，实践中的公共服务供给机制容易造成两个问题：一是公共服务责任的市场化；二是忽视政府与市场之间的契约关系。 在借鉴传统理论要点和反思实践不足的基础上，本文首先引入公共性视角、产权理论、不完全契约理论、不完全竞争理论来完善传统公共服务市场化供给机制，构建了公共服务市场化供给机制，即从过程角度提出以服务特性为前提、服务产权为起点、契约管理为重点、市场竞争为核...Presently anti-market phenomenon of public service are more than repeating at home and abroad, it reflects the traditional supply mechanism of market-oriented public service failed.The theory of traditional supply mechanism of market-oriented public service maked the economic property of the public goods as its logical starting point, and distinguished the concepts between providing role and produ...学位：法学硕士院系专业：公共事务学院政治学系_政治学理论学号：1382008115098

公共服务市场化失灵的风险分析

公共服务市场化建立在完全契约和交易成本比较优势的前提假设上,但实践中,由于人的有限理性、机会主义行为、信息不对称、第三方不可证实、资产专用性、交易不确定性等因素的影响,公共服务市场化所赖以存在的前提假设并不必然成立,不完全契约和交易成本的非比较优势使得公共服务市场化面临着失灵的风险

公共服务市场化失灵的风险分析

公共服务市场化是建立在完全契约和交易成本比较优势的前提假设上的,但实践中由于人的有限理性、机会主义行为、信息不对称、第三者不可证实、资产专用性、交易不确定性等因素的影响,公共服务市场化所赖以存在的前提假设并不必然成立,不完全契约和交易成本的非比较优势使得公共服务市场化面临着失灵的风险

The Query about Market-oriented Public Service:A Perspective of Competition and Contract

公共服务市场化的实质是引入市场竞争机制和契约管理机制以提高公共服务生产的质量和效率,但有效发挥两个机制的功能需要具备一定的条件。在公共服务市场过程中,受特定因素的影响,市场竞争和契约管理都具有不完全性,造成了公共服务市场化失灵的风险。因此,要正确认识公共服务市场化模式,有必要对其理论的实质进行更深入的探讨。The essence of market-oriented public service is to improve public service through market competition mechanism and contract management mechanism.Due to the existence of imperfect competition and incomplete contract,the reform of market-oriented public service faces the risk of failure.Therefore,it's necessary to make an in-depth discussion on the essence of the market-oriented public service

Reflections of Market-oriented Model of Public Service

本文应用了不完全契约与交易成本理论,从公共服务市场化的理论假设入手,分析影响公共服务市场化绩效的相关因素,由于外部不利因素存在的可能性,公共服务市场化模式并不必然能提高公共服务的绩效。理论假设是理论模型的前提基础,应对公共服务市场化失灵的策略必须紧紧结合其理论假设来思考。This paper analysis the related factors that effect the performance of public services by incomplete contract theory and transaction cost theory,and argues that model of market-oriented public service will not certainly be able to improve the performance of public services.The reform of market-oriented public service can achieve good performance,depends crucially on its theoretical assumption whether achieved in the practice of public administration.Therefore,the strategy that responds to the failure of market-oriented public service must be closely combined with its theoretical assumptions

Potential Influence of Sea Sufrace Temperature on the Interannual Fluctuation of the Catch and the Distribution of Chub Macherel and Round Scad in the Minnan-Taiwan Bank Fishing Ground, China

利用闽南-台湾浅滩渔场1986-1997年遥感海表温度资料与同期灯光围网渔业信息船的渔捞日志,对该渔场海表温度与鲐鲹鱼类群聚资源年际变动之间的关系进行了初步的探讨。结果表明,沿着25.5℃等温线形成一个中心渔场,空间位置的年际摆动范围在纬向上小于0.5°;海表温度距平(SSTA)与鲐鲹鱼类资源指数的变动在年际尺度上没有关联,但在年代际尺度上存在一定关联,1988年起SSTA摆动的频度和幅度在正值态大于负值态,而资源指数则呈现逐步上升的趋势。L ogbooks of light purse net fishing during the period from 1986 to 1997 in the Minnan-Taiwan Bank Fishing Ground along with the concurrent AVHRR remote sensing sea surface temperature (SST) were analyzed. The location of fishing ground center fluctuated from year to year, generally distributing along the 25.5 degree C isotherm. The SST anomaly (SSTA) data demonstrated the possibility that there was one shift from cold to warm regime occurring in 1988, while Catch Per Unit Effort (CPUE) of Chub Macherel and Round Scad was likely to show a tendency of gradual increase after 1988. However, the proportion of warm water species relative to warm temperate species changed only after 1992.国家自然科学基金(49906008);; 厦门市科委项目3502Z20001011);

一种发动机燃油喷嘴

本发明公开了一种发动机燃油喷嘴包括：喷油嘴本体，在该喷油嘴本体上开设有喷油孔，所述喷油孔的纵截面轮廓线满足如下条件，(x-Xo)2+(y-Yo)2-R2＝0。本发明采用变直径的喷油孔结构，相对于目前常规的等直径喷油孔结构，能够提高发动机燃油喷射时的流动及雾化性能，继而改善发动机的燃油经济性和排放性能。通过数值计算发现，在相同的条件下，中部收缩型的喷嘴在喷孔出口的空穴气泡含量比直孔气泡含量大40％左右，这样会使得出口燃油扰动加剧，有利于提高燃油一次雾化效果。中部扩张型喷孔，相同条件下的流量系数会比直孔的流量系数提高10％左右；而渐缩型喷孔相对于直孔，具有较高的保压性能，出口的能量提高20％左右

Evidence of ecosystem response to the interannual environmental variability in the Taiwan Strait

通过比较1985~2001年的海表温度与其间收集的现场营养盐、浮游植物和浮游动物丰度及群落结构变动信号,以及1971~1998年的中上层鱼类渔获量变动信息,发现了台湾海峡生态系统对物理环境年际变动产生的响应迹象.1997 年夏季台湾海峡处于偏冷状态,南部近岸上升流强度减弱;1997年冬季正值一个较强的暖事件发展到顶峰,北上入侵暖水强度增强、浙闽沿岸冷水强度减弱.导致这两个时期营养盐分布特征改变,发生了一系列从浮游植物到浮游动物,从生物量到群落结构的异常响应,暖水性中上层鱼类渔获量则似乎呈现出El Ni o年偏高的趋势.根据有限的辅助证据推测,El Ni o很可能不是控制台湾海峡海洋环境年际变动的强信号,而台湾海峡的气候海洋生态长期低频变动可能更多地受到东亚季风中国边缘海系统的控制.By comparing remote sensing sea surface temperature and in situ chemical and biological data collected since 1985, some evidences of ecosystem variation responding to interannual environmental variability were found in the Taiwan Strait. Owing to incomplete extensive and serial biological observations, the eco-system responses were mainly illustrated by two specific cases. Coastal upwelling weakened in the summer of 1997, when the Taiwan Strait was during a cold phase. Cold Zhe-Min coastal water weakened and northward intrusion of warm water was strengthened in the winter of 1997, while it was the peak of a strong warm episode of the Taiwan Strait and the South China Sea. During these two periods, nutrient distribution, phytoplankton and zooplankton abundance and community structure altered and showed anomaly. El Nino seemed weakly linking to the Taiwan Strait. It was hypothesized that forcing within the East Asia monsoon-China marginal sea system might the dominant mechanism. To achieve better understanding of how the Taiwan Strait ecosystem responds to climate variations, supporting the long-term physical evidences and serial biotic variation signals observation are especially needed.国家自然科学基金资助项目(49636220,49906008,40331004

石墨烯改性重防腐涂料在世界最高输电铁塔的防腐应用

针对世界第一380 m输电铁塔在临海海洋大气腐蚀环境的防腐耐候需求,设计石墨烯改性重防腐涂料体系(包括环氧石墨烯防腐底漆、环氧石墨烯阻隔中间漆和氟碳耐候面漆,其中氟碳面漆采用红白相间颜色,具有防腐和航空标识功能)对输电铁塔进行防护涂装。通过实验室配方优化、石墨烯改性重防腐涂料性能检测和示范工程涂装,最终定型涂料配方体系。同时针对临海环境室外涂装工况,介绍石墨烯改性重防腐涂料在铁塔镀锌管件的施工工艺和施工经验

JUNO Sensitivity on Proton Decay p→νˉK+p\to \bar\nu K^+ Searches

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar\nu K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar\nu K^+$ is 36.9% with a background level of 0.2 events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is $9.6 \times 10^{33}$ years, competitive with the current best limits on the proton lifetime in this channel