Research on Risk Management of Bonds Settlement Systems in China

本文试图对我国债券结算体系的风险管理进行一个全面的审视，从信用风险、法律风险、运行风险、流动性风险、结算风险、系统风险等角度分析了我国债券市场结算体系风险管理的进步与不足，并针对这些不足提出了相应的改进我国债券市场结算体系风险管理的政策建议。首先，本文研究了世界债券市场结算体系的发展过程，通过比较典型经济体的债券结算体系，特别是美国、欧盟以及东亚的债券结算体系的现状与发展趋势，并由此了解标准的债券结算体系的架构。其次，本文论述了在标准的债券结算体系框架下的风险管理理论。在标准框架下，债券结算体系的风险包括信用风险、流动性风险、托管风险、运行风险、法律风险和系统风险。对债券结算体系的系统性风险作...Bond markets develop quickly recent years in China. Bonds contain government bonds, financial bonds, corporate bonds and the government bonds are the main shares in our markets. The market scales are getting larger and the trading volumns are also getting bigger year by year. The more the bond markets develop, the more important the bond settlement systems will be, and the more the risk management...学位：经济学博士院系专业：经济学院财政金融系_财政学(含税收学)学号：B20024101

产权安排+制度保证:银行有效监管的新思路

随着银监会的组建和工作的展开 ,银行监管问题再次成为社会各界关注的焦点。为了实现银行有效监管的目标 ,需要在产权问题上作出科学安排 ,并实行严格的制度保

国家支付系统的性质和定价策略

文章认为,国家支付系统属于重要支付系统的范畴,是一国金融市场的主要基础设施,是中央银行实施货币政策和进行金融宏观调控的重要平台,其安全与效率关系到国家经济金融的安全与效率。国家支付系统的定价策略是重要支付系统非常主要的管理手段,其合理与否不仅影响支付系统的安全和效率,而且将影响一国支付结算体系的发展方向和整个支付服务市场的开放程度以及金融资源的社会配置效率。因此,作为国家支付系统的运行者或监管者,中央银行必须不断研究重要支付系统的定价策略,并根据有关原则直接制定国家支付系统收费标准,保证重要支付系统稳定运行

The Power Change in the Governance Structure of the Restructured State-Owned Enterprises: A Case Study of Shanghai Jahwa

国有企业改制是国有企业改革发展到现阶段的必经之路，非国有资本主体的引入实现了国有企业的重组，激活了公司治理机制，为企业下一阶段的发展注入新的动力。同时国有资本能够集中力量发展重点行业，在“国退民进”中实现双赢。但是在引入非国有资本主体之后，企业治理结构中的力量发生变化，原股东的控制权往往被削弱或甚至让渡。在过去的国有企业治理结构中由于控股股东角色的缺位，管理层在企业中拥有更大的权力。在改制之后，尤其是在国有资本完全退出的情况下，控股股东角色开始强势崛起，夺取了管理层的权力，这一治理结构权力变动的过程中的种种不稳定因素使得改制后的企业面临一系列挑战。而此时国有资本已经失去了企业的所有权，管理层也...State-owned enterprises (SOEs) restructuring is an integrant stage of the reform and development of state-owned enterprises. The introduction of non-state-owned capital restructures state-owned enterprises and activates the corporate governance function, which brings new impetus for the next stage of the development of state-owned enterprises. At the same time, the state-owned capital is then able...学位：管理学硕士院系专业：管理学院_会计学学号：1752012115111

高速弓网系统动力学参数敏度分析及优化

随着高速列车运行速度的提升,弓网关系这一基础力学问题备受关注.良好的弓网关系是确保列车安全高效运行、稳定可靠受流、降低接触线与受电弓滑板磨耗等的基本前提.其中,受电弓和接触网的动力学参数对弓网耦合作用起至关重要的作用.本文采用弓网接触力随机统计特征作为优化目标函数,进行受电弓动力学参数的敏度分析和优化设计.首先,建立了二维弹性链悬挂接触网-三质量块受电弓动力学模型,根据EN50318:2018标准验证了动力学建模和分析结果的正确性.然后,基于高速弓网系统的动力学仿真,进行了DSA380型高速受电弓三质量块参数的动力学敏度分析,确定了9个动力学参数的敏感度级别,弓头等效质量敏度评级最高,下框架等效阻尼次之,下框架等效质量和上框架等效阻尼第三.最后,研究了弓头等效刚度和等效阻尼联合变化对弓网耦合动力学性能的影响,给出了提升弓网耦合性能的弓头双参数优化方案,建议同时减小弓头等效阻尼和增大弓头等效刚度,能够实现比单参数优化更好的弓网耦合性能

The fuzzy decision and simulation of washer control

Conference Name:6th International Conference on Computer Science and Education, ICCSE 2011. Conference Address: Singapore, Singapore. Time:August 3, 2011 - August 5, 2011.The fuzzy control is an intelligent control method relying upon the fuzzy set theory, fuzzy variables, and logic deduction. It can imitate the process of human decision inference in behavior, so it is more consistent with the fuzziness and human awareness, understanding, decision of objective thing. This paper selects the washing machine as the control object, bases on the washer control principle, introduces the fuzzy decision process, especially studies the fuzzy control theory with three inputs and two outputs and sets up the fuzzy rules, at last, gives the fuzzy decision of the control and the results of simulation. ? 2011 IEEE

Effect of coupled vibration modes of dual-strip pan head on pantograph-catenary interaction

The consistency of the dynamic behavior of the mechanical equivalent model of high-speed pantographs with that of actual high-speed pantographs under service conditions is crucial for the correctness and accuracy of the numerical simulation results of the pantograph-catenary interaction. Firstly, based on experimental data and the finite element method, models of a mass-point frame and reduced pan head were established, which can simulate the rolling and pitching motion characteristics of the dual-strip pan head. The correctness of the finite element numerical simulation of the pantograph-catenary system based on the model was verified through an industry standard and line tests. Then, the variation law of the standard deviation of the contact force (SDCF) in the speed range of 240-450 km/h was studied, and the mechanism of large fluctuation in SDCF was explained from the perspective of pantograph-catenary resonance. Finally, the influence of pan head degree of freedom and low-pass filtering frequency of the contact force time-domain signal on SDCF was studied, and the applicable speed level of the traditional three-mass model and 20 Hz filtering were provided

基于热加速腐蚀的射流研抛机构

本发明提供一种基于热加速腐蚀的射流研抛机构，主要解决了现有光学元件，尤其是非球面光学元件加工时成本较高，加工效率较低的问题。基于控制腐蚀的光学元件加工机构，包括被加工件固定装置和用于提供加工运动轨迹的执行装置、用于储存腐蚀液的储液装置、用于加热腐蚀液的加热装置、用于控制腐蚀液加热温度和加工运动轨迹的控制装置。本发明效率高，射流溶液从腐蚀液逐渐过渡到水，腐蚀液的引入及温度控制变量的引入，大幅提高了射流技术的材料去除能力，可以实现非球面的铣磨

矩形口径离轴非球面镜的加工与检测

介绍了240mm×180mm矩形口径离轴双曲面反射镜的加工与检测。提出了一种通过配块把矩形镜拼接成母镜来实现离轴镜加工的方法。完成了最佳比较球面和最大非球面度等工艺参数的计算。抛光阶段的非球面检测采用零位补偿