神经网络在实验室检测工作质量管理及控制中的应用

对实验室检测工作质量中存在的风险因素进行研究,形成风险评价指标体系,并运用BP神经网络建立风险分析评价模型,对风险评价指标进行量化评价,最终获得量化的实验室整体检测工作质量风险数据,为实验室有效管理提供科学决策依据。     

团体辅导对大学生人际交往能力提升的实证研究

通过团体辅导的方式对大学生心理健康进行实证研究,探究团体辅导对提升大学生人际交往能力的有效程度。研究结果:基线期,实验组与对照组成员人际关系综合诊断量表中28个项目、4个维度得分差异无统计学意义;经过团体辅导干预后,实验组的人际交往总分及4个维度得分均显著低于对照组。从症状自评量表前后测量结果可以看出,实验组成员两次量表总分、总均分、各评价因子均存在显著差异。团体干预评价表结果显示,实验组在5个评价项目上满意度较高。结论:团体辅导可有效提升医学生人际交往能力,将其纳入大学生心理健康教育教学体系具有较广阔的前景和较高的推广价值。     

Worst-case optimal redistribution of VCG payments in multi-unit auctions

For allocation problems with one or more items, the well-known Vickrey–Clarke–Groves (VCG) mechanism (aka Clarke mechanism, Generalized Vickrey Auction) is efficient, strategy-proof, individually rational, and does not incur a deficit. However, it is not (strongly) budget balanced: generally, the agents' payments will sum to more than 0. We study mechanisms that redistribute some of the VCG payments back to the agents, while maintaining the desirable properties of the VCG mechanism. Our objective is to come as close to budget balance as possible in the worst case. For auctions with multiple indistinguishable units in which marginal values are nonincreasing, we derive a mechanism that is optimal in this sense. We also derive an optimal mechanism for the case where we drop the non-deficit requirement. Finally, we show that if marginal values are not required to be nonincreasing, then the original VCG mechanism is worst-case optimal.     

研究生创新能力培养探讨

当前我国研究生创新能力培养的现状亟待改进。借鉴和吸取发达国家高校的成功经验,我国的研究生教育可以建立激励、淘汰并举机制和多元化评价机制,采用多样化培养模式,同时还要改进教学内容和教学方法,并加强导师队伍建设和学生自我提高的意识。     

Innovation:New Vigor to Gentury-Old Moutai

On the 2007 Nafional Conference of Entrepreneurs Day held recently,Mr.Ji Keliang,Board Chairman of China Guizhou Moutai Distillery Co.,Ltd,was honored the mird"Yuan Baohua Enterprise Management Gold Award".     

Shanghai industries:Changing with the Times

In ancient times,thanks to natural geography which makes it an excellent port,Shanghai grew to become a major economic power in China.     

More Sustainable and Innovation-Driven Growth of China

Since H.E.Courtenay Rattray came to Beijing as the ambassador of Jamaica,he have been concerning the changes of China,especially during two sessions time every year.During the interview from China's Foreign Trade magazine,he thought that Chinese