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101.
The method of bibliographic coupling in combination with the complete link cluster method was applied for mapping of the field of organic chemistry with the purpose of testing the applicability of a proposed mapping method on the field level. The method put forward aimed at the generation of cognitive cores of documents, so-called ‘bibliographic cliques’ in the network of bibliographically coupled research articles. The defining feature of these cliques is that they can be considered complete graphs where each bibliographic coupling link ties an unordered pair of documents. In this way, it was presumed that coherent groups of documents in the research front would be found and that these groups would be intellectually coherent as well. Statistical analysis and subject specialist evaluations confirmed these presumptions. The study also elaborates on the choice of observation period and the application of thresholds in relation to the size of document populations. 相似文献
102.
左秀会 《天水师范学院学报》2007,27(2):16-17
在单值映象与集值映象相容或次相容的条件下,给出了完备凸度量空间中集值映象对于单值映象存在公共不动点的一个充分条件,改进和推广了文[1-4]中的已知结果。 相似文献
103.
本文研究了任务复杂度在资源指引范畴中三个维度的增加对语言产出水平的影响。研究发现:复杂任务度对语言准确度没有产生显著积极影响;任务复杂度对话轮转换速度产生显著积极影响;对句法复杂度和词汇复杂度产生混合、不显著的影响;任务复杂度在资源指引范畴内的提高对语言流利度产生消极但不显著的影响。 相似文献
104.
105.
以CSSCI数据库收录的以信息共享空间为主题的论文为基础数据,通过Citespace3.8R1软件对相关引文数据和主题词数据进行处理,绘制出信息共享空间领域的知识图谱,并对其进行分析,得出我国信息共享空间领域的重要学术文献及学术代表人物、主要研究热点及研究前沿等。 相似文献
106.
Todd Colin Pataky 《Journal of sports sciences》2015,33(2):192-197
Disagreements exist in the literature regarding the manner in which weight should be dynamically shared during the golf swing, both within-feet and between the back- and target-foot, to generate maximal clubhead speed. The purpose of this study was to determine whether preferential foot-loading locations underlie weight sharing by examining the correlation between clubhead speed and maximum plantar pressure (PP) distributions. Thirty-two amateur golfers with handicap indexes ranging from 2.7 to 25 performed 10 driver swings on artificial turf following a warm-up. PP distributions were recorded at 100 Hz, and clubhead speed was recorded using a ball-tracking Doppler radar system. Maximum PPs were extracted from a 2-s window approximately centred on ball contact and were regressed against clubhead speed. Significance was assessed over the entire foot surface using statistical parametric mapping (SPM), a spatially continuous technique. SPM revealed, at relatively high anatomical resolution, significant positive correlations between clubhead speed and PPs in the lateral target-foot (P < 0.05). This suggests that not only weight transfer but also weight-transfer location may be an important determinant of clubhead speed in amateur golfers. 相似文献
107.
祝婕 《长江工程职业技术学院学报》2015,(1):5-7
针对国内工程测量数据处理仿真系统的空白,以长江工程职业技术学院工程测量专业为例,阐述了测绘数据处理教学仿真系统的重要性和建设思路,介绍了该系统的设计内容及总体结构,总结了测绘数据教学仿真系统的教学效果。 相似文献
108.
以测绘工程专业认证标准为指导,遵循教育部关于测绘科学与技术专业的培养要求和学校修订培养方案的原则意见,制定了本校测绘工程专业的培养目标、要求及计划。从通识教育、专业基础、专业特色和实践教学四个方面构建了基于测绘工程专业认证标准的课程体系,并从数学与自然科学类课程、工程基础类课程、专业类课程、人文社会科学类课程和实践环节对测绘工程专业课程体系进行解析。结果表明,基于测绘工程专业认证标准的课程体系既符合工程教育认证标准,又体现信息化测绘对人才培养的要求,还兼顾注册测绘师考试大纲对测绘工程专业教学的指引。 相似文献
109.
Elizabeth Nelson 《College & Undergraduate Libraries》2015,22(3-4):312-324
Businesses have long relied on a variety of strategies to improve quality, efficiency, and service. Some ideas that have persisted over time are Six Sigma and Lean. While Six Sigma, originally intended for manufacturing, focuses on quality and Lean mainly addresses waste, many of the tools and principles involved can also apply to libraries. This article will review the literature on Lean and Six Sigma as they are used in business and then as they have been used in libraries. The resulting discussion will cover how the principles can be applied to better connect with stakeholders by mapping processes and discovering what is value added (VA) versus nonvalue added (NVA), anticipating failure modes using the failure mode and effects analysis (FMEA) framework, and implementing control plans to maintain quality processes and service. 相似文献
110.
隐喻研究和对学习的研究一直是热门的研究课题。概念隐喻理论为研究人类的认知带来了新的视角,“学习”这一抽象概念的构建也可以莱考夫和约翰逊的概念隐喻理论来研究,在讨论“学习”和“行走”两域之间的映射后,进一步从汉语语料验证概念隐喻理论,并从一定意义上指导学习行为。 相似文献