中国大企业自主创新能力的实证测度与分析研究

 大企业是国家自主创新的重要生力军,是国家经济实力的基础和依托。本文基于灰色白化权函数定权聚类法构建了大企业自主创新能力的评价模型,并运用AHP法对测度指标进行了赋权,以33个制造业大企业为样本,对其自主创新能力进行了实证测度。结果显示：当前我国大企业自主创新能力总体状况很不乐观,其主要测度指标的表现也很不理想,与世界知名创新型企业尚有较大差距,挑战严峻,形势紧迫。     

The neutrophil-lymphocyte ratio to predict poor prognosis of critical acute myocardial infarction patients: a retrospective cohort study

IntroductionInflammation is closely related to adverse outcomes of acute myocardial infarction (AMI). This study aimed to evaluate whether neutrophil-lymphocyte ratio (NLR) can predict poor prognosis of critical AMI patients.Materials and methodsWe designed a retrospective cohort study and extracted AMI patients from the “Medical Information Mart for Intensive Care-III” database. The primary outcome was 1-year all-cause mortality. The secondary outcomes were 90-day and in-hospital all-cause mortalities, and acute kidney injury (AKI) incidence. The optimal cut-offs of NLR were picked by X-tile software according to the 1-year mortality and patient groups were created: low-NLR (< 4.8), high-NLR (4.8 - 21.1), and very high-NLR (> 21.1). Cox and modified Poisson regression models were used to evaluate the effect of NLR on outcomes in critically AMI patients.ResultsFinally, 782 critical AMI patients were enrolled in this study, and the 1-year mortality was 32% (249/782). The high- and very high-NLR groups had a higher incidence of outcomes than the low-NLR group (P < 0.05). The multivariate regression analyses found that the high- and very high-NLR groups had a higher risk of 1-year mortality (Hazard ratio (HR) = 1.59, 95% CI: 1.12 to 2.24, P = 0.009 and HR = 1.73, 95% CI: 1.09 to 2.73, P = 0.020), 90-day mortality (HR = 1.69, 95% CI: 1.13 to 2.54, P = 0.011 and HR = 1.90, 95% CI: 1.13 to 3.20, P = 0.016), in-hospital mortality (Relative risk (RR) = 1.77, 95% CI: 1.14 to 2.74, P = 0.010 and RR = 2.10, 95% CI: 1.23 to 3.58, P = 0.007), and AKI incidence (RR = 1.44, 95% CI: 1.06 to 1.95, P = 0.018 and RR = 1.34, 95% CI: 0.87 to 2.07, P = 0.180) compared with low-NLR group. NLR retained stable predictive ability in sensitivity analyses.ConclusionBaseline NLR is an independent risk factor for 1-year mortality, 90-day mortality, in-hospital mortality, and AKI incidence in AMI patients.     

高校图书馆电子资源建设实践与研究

目前电子资源已经成为图书馆馆藏资源的重要组成部分。本文提出了适应于高校图书馆电子资源建设的引进原则、工作机制和电子资源评价指标等,从而为高校图书馆电子资源建设提供支持。     

基于Web服务的多局域网搜索引擎架构设计

结合元搜索引擎原理提出了多局域网搜索引擎体系架构。架构中采用网络服务技术使得各个局域网内的信息能够方便地实现互联,利用数据仓库更新驱动技术提高了系统的总体性能。重点研究了数据本地化过程,包括局域网数据的获得、文档的逻辑表示、数据仓库的初始化及数据更新,介绍了客户端代理中的相关技术。     

略谈对图书馆员的人性化管理

文章从人本思想出发,在对图书馆员的现状进行剖析的基础上,对图书馆员的人性化管理提出了自己的看法。     

《商务谈判》课程教学模式探讨

商务谈判是高校财经、贸易、管理等专业的核心专业课,其重要性不言而喻,但教师如何教,学生如何学,才能最终达到提高学生商务谈判能力的教学效果,一直是学生、教师探讨的问题。笔者在多年的教学中,不断进行改革,探讨、总结,形成了一种较为成熟的教学模式。     

高等教育大众化阶段我国大学生流失问题的审视与思考

文章对大学生在培养过程中因结业、休学、退学、开除、死亡等原因未完成学业、中断学业离开学校的现象进行了考察与反思。高校扩招后,每年流失的大学生人数达十万左右,大学生的流失问题对学生个人、高等教育和国民经济发展都是一种资源上的浪费,带来了负面的影响。本文在实证研究的基础上,分析了十年来大学生流失的基本状况、形成原因,并提出了应对措施。