数字证书撤销方法的研究现状

证书撤销一直是公钥基础设施(PKI)研究和应用中的一个难点问题.文章对目前应用和研究中的证书撤销机制进行了介绍,详细描述了各种机制的实现原理,并对其优缺点进行了剖析,最后对证书撤销机制的研究作了展望.     

股权分置改革对流通股股东补偿问题的研究

股权分置改革是当前我国资本市场的热点问题，实施股权分置改革试点上市公司的股权分置改革方案的出台，更引起了广泛的关注。本文运用量化分析模型对股权分置改革中有关流通股股东的补偿问题进行了研究，得出了补偿的合理性是影响流通股股东对方案认可的重要因素这一结论，并结合实施股权分置改革试点上市公司所推出的具体方案进行了验证。     

基于KMV模型的中国上市公司信用风险研究

本文利用GARCH模型估计股权价值波动率,用迭代程序估算资产价值及其波动率,以总资产的平均增长率代替资产价值预期增长率,建立了修正的KMV模型。文中对2006年沪深两市80家上市公司的信用风险进行评估检验,结果表明修正后的KMV模型不仅能够较好地分辨出ST公司和非ST公司信用风险的差异,而且能准确地把握上市公司信用质量的变化趋势,至少可提前一年识别上市公司信用质量的恶化。     

电子技术课程“课题驱动式”教学模式的探讨

在电子技术课程教学中实施“课题驱动式”教学模式,融学习、研究和设计于一体,促使学生主体作用和学习主动性充分发挥,对提高学生的学习能力、设计能力、利研能力、创新能力与合作的能力具有重要作用.     

Wireless Terminals,To Be A New Stage for On-line Games

＂In 2000, the game industry, I mean all the games, not just referring the on-line game ,alone, only had a total output of RMB 300-400 million, but in 2010, after 10 years, the output of the game industry reached RMB 30-40 billion. That is to say, Chinese game industry has a hundred-fold growth in the past 10 years.     

Luxury Loves China

With luxury sales in the rest of the world either shrinking or growing more slowly, it showcased a completely different scene in China. Although not immune to the global economic crisis, the country has suffered far less than others, and the continued health of China＇s luxury market makes it an oasis of hope and possibility in a recession-battered world.     

NEW ENERGY,New Road Map？

New energy industry fever
In the winter of the world economy, the new energy industry seemed to have found their spring.The voice for developing new energy is increasingly ringing.And in China,it seemed more frenetic towards this sector.     

Aurora of Prosperity Ahead,Cultural Creative Industry Needs Patience

Cultural creative industry is another buzz phrase in the economic circle in China recently aside from the＂new energy industry＂. With the Planning for the Revitalization of Cultural Industry coming out,it aroused hot debate and much concern from all walks of life.     

Mofcom：China Exempt Tariff for Africa＇s Exported Products

At the Seminar on New Measures for Promoting China- Africa Economic and Trade Cooperation on January 25,Xie Yajing, Vice Director of Department of Western Asia and Africa gave detailed interpretation to the 8 measures declared by Premier Wen at the fourth Ministerial Conference of China- Africa Cooperation Forum.