Patent text mining and informetric-based patent technology morphological analysis: an empirical study

Patent technology morphological analysis utilises the advantages of both patent information analysis and morphological analysis to provide more detailed information on current and future patent technology. Current patent technology morphological analysis methods are largely reliant on manual expertise in the construction of morphological boxes with few approaches to the evaluation of future morphological configurations. We developed a patent text mining and informetric-based patent technology morphological analysis technique. We defined the basic parameters of the morphological box as the factors in factor analysis, with a patent keywords matrix, and the clusters in clustering analysis with factor scores. Patent citation, year of patent registration, keyword frequency, and contributing factors were used to evaluate future morphological configurations. We used an empirical study of liquid crystal display wide viewing angle patents to validate our method. The Thomson Reuters Derwent Innovation Index was used to collect patent text datasets. Our study indicates that this method is feasible for the implementation of patent technology morphological analysis. Our method provides advantages in terms of cost and time reductions during morphological box construction and more flexible methods for evaluating morphological configurations. We discuss problems and possible development of our method in the last section.     

农户参加农民专业合作社行为影响因素研究 ———以日照市为例

农民专业合作社既可以降低农户独自经营的生产成本和面临的风险,又能提高农产品的市场价格,但是目前我国农户加入农民专业合作社的比重较低。通过实地调查和实证研究,该文分析了影响我国农户参加农民专业合作社行为的影响因素,并给出了相应的政策建议。即加大宣传,增强农户对农民专业合作社的认知;加大对专业合作社的支持力度;转变追求数量目标,集中力量重点支持规范合作社做强做好。     

"大中华区"最优货币区的实证研究--一种不同的VAR方法

本文对最优货币区理论发展进行了概述,并在此基础上用不同于先前文献的变量--GDP、价格和利率构造VAR模型对所谓"大中华区"即中国内地、香港、台湾和新加坡经济冲击相关性进行了实证研究.研究表明,内地、香港、台湾和新加坡之间总体而言经济弱相关,但综合考虑经济规模的差异和经济发展的长期趋势,内地、香港、台湾间建立货币区仍有相当大的实践意义.     

粉煤灰制备复合固体酸环境友好催化剂影响因素的探讨

以粉煤灰为主要原料采用沉淀一浸渍法制备FZS型复舍固体酸催化剂，对影响催化剂硫含量、比表面、催化性能等因素进行考察。通过TEM等手段对催化剂结构予以表征。实验结果表明：粉／锆比为3：1、H2SO4浸渍浓度为0．50mol／L、焙烧温度在550℃时制备的催化剂，应用于酯化反应中酯化率可达98.3％。     

纵欲与禁欲——海派小说研究

纵欲与禁欲是性爱生活中通向死亡的两条路径.张资平小说中的人物一方面沉溺在纵欲的享乐中,另一方面又摆脱不了死本能的威胁;身体意象在穆时英和张爱玲的小说里作无生命的比喻;《塔里的女人》中不食人间烟火式的恋爱,最终走向了失败与死亡;许多研究者喜欢从佛欲冲突的角度解析叶灵凤的《昙华庵的春风》,这篇小说其实讲的不是一个佛欲冲突的故事,而是一个少女怀春的故事.     

Information and Long‐Term Stock Performance Following Open‐Market Share Repurchases

We find that firm managers have private information when they decide on open‐market share repurchases, and that this information is significantly correlated with announcement period and post‐announcement abnormal returns. We further find that long‐term post‐announcement abnormal returns are related to private information differently for firms that actually repurchase shares when compared to firms that announce a repurchase program but do not acquire shares. Our results indicate that managers’ private information is only ambiguously revealed by the repurchase announcement, and that the market waits for the firm's subsequent actions, such as actual repurchase, to further interpret the private information.     

云南物流人才培养的现状及对策研究

云南物流业正处于快速发展时期,而物流人才是制约云南物流业发展的关键。本文分析了云南物流人才培养现状指出物流人才却与实际需求相差甚远,并且整体素质偏低,并进一步从人才培养层次、专业特色、实践教育和教师队伍等方面给出相应的对策与建议。     

肉苁蓉药用资源开发与应用研究进展

目的:阐述肉苁蓉资源现状、药理作用及开发利用的价值。方法:查阅相关文献进行总结和归纳。结果:肉苁蓉野生资源较匮乏,人工种植取得可喜成绩。肉苁蓉化学成分较多,含苯乙醇苷类、多糖等多种活性成分,具有补肾阳、益精血、润肠通便、提高免疫力、延缓衰老等多种功效。结论:肉苁蓉植物具有较好的经济效益、生态效益和市场开发前景。     

First‐Price Sealed‐Bid Tender versus English Open Auction: Evidence from Land Auctions

This article compares whether the first‐price sealed‐bid tender or the ascending English open auction generates higher revenue for the seller. Using a unique set of data for land sales and accounting for the presence of an endogenous discrete mechanism choice variable, our results show that the first‐price sealed‐bid tender generates a lower land price, in the range of 1.2–9.6%, than the English open auction. Our results validate the theoretical prediction that open auctions result in higher prices because bidders can infer other bidders’ information by observing their bids in the common value auction paradigm.     

吉林省支付清算系统及业务发展问题研究

吉林省支付清算系统的高效运行对地方经济的发展发挥了积极的推动作用,本文在研究吉林省支付清算系统的运行情况及其与地方经济、金融关系的基础上,对制约支付体系业务发展的因素进行了深入分析,并提出了相关政策建议。