This paper makes a study on the significance of theme and its application in discourse analysis.Through the analysis of a news report from The New York Times,the author deeply discusses the importance of theme in the ...This paper makes a study on the significance of theme and its application in discourse analysis.Through the analysis of a news report from The New York Times,the author deeply discusses the importance of theme in the process of discourse analysis.展开更多
This article focuses on the discussion of Chinese topics and English marked theme. It will be divided into four parts. Part I is introduction part. It introduces the concepts of Chinese topic and English marked theme....This article focuses on the discussion of Chinese topics and English marked theme. It will be divided into four parts. Part I is introduction part. It introduces the concepts of Chinese topic and English marked theme. Part II tells different types of Chinese topics and English marked themes. Part III discusses the functions of Chinese topics and English themes. Part IV is the conclusion part.展开更多
Neural stem cells,which are capable of multi-potential differentiation and self-renewal,have recently been shown to have clinical potential for repairing central nervous system tissue damage.However,the theme trends a...Neural stem cells,which are capable of multi-potential differentiation and self-renewal,have recently been shown to have clinical potential for repairing central nervous system tissue damage.However,the theme trends and knowledge structures for human neural stem cells have not yet been studied bibliometrically.In this study,we retrieved 2742 articles from the PubMed database from 2013 to 2018 using "Neural Stem Cells" as the retrieval word.Co-word analysis was conducted to statistically quantify the characteristics and popular themes of human neural stem cell-related studies.Bibliographic data matrices were generated with the Bibliographic Item Co-Occurrence Matrix Builder.We identified 78 high-frequency Medical Subject Heading(MeSH)terms.A visual matrix was built with the repeated bisection method in gCLUTO software.A social network analysis network was generated with Ucinet 6.0 software and GraphPad Prism 5 software.The analyses demonstrated that in the 6-year period,hot topics were clustered into five categories.As suggested by the constructed strategic diagram,studies related to cytology and physiology were well-developed,whereas those related to neural stem cell applications,tissue engineering,metabolism and cell signaling,and neural stem cell pathology and virology remained immature.Neural stem cell therapy for stroke and Parkinson’s disease,the genetics of microRNAs and brain neoplasms,as well as neuroprotective agents,Zika virus,Notch receptor,neural crest and embryonic stem cells were identified as emerging hot spots.These undeveloped themes and popular topics are potential points of focus for new studies on human neural stem cells.展开更多
This paper provides a detailed analysis about the themes and the thematic progression of a certain text, with Halliday＇s Systemic-Functional ideas as the theoretical foundation. Based on this, the paper discloses the...This paper provides a detailed analysis about the themes and the thematic progression of a certain text, with Halliday＇s Systemic-Functional ideas as the theoretical foundation. Based on this, the paper discloses the significance of theme and thematic progression in the development of text, which includes forming a semantic chain and achieving a comprehensive understanding of a text.展开更多
美国当代语言学家Jay L. Lemke在互文性理论的基础上进一步提出'主题互文性(thematic intertextuality)'理论,用以分析语篇的主题关系网络。该理论为深入认识党政机关公文的本质提供了一个特别的视角。文章尝试用主题互文性理...美国当代语言学家Jay L. Lemke在互文性理论的基础上进一步提出'主题互文性(thematic intertextuality)'理论,用以分析语篇的主题关系网络。该理论为深入认识党政机关公文的本质提供了一个特别的视角。文章尝试用主题互文性理论分析和解释党政机关公文语篇的主题关系及相关问题,研究结果可以指导公文写作和阅读实践,并为公文生成和理解的自动化研究提供理论支撑,也有助于党政机关提高工作效率,塑造良好的国家机构形象。展开更多
文摘This paper makes a study on the significance of theme and its application in discourse analysis.Through the analysis of a news report from The New York Times,the author deeply discusses the importance of theme in the process of discourse analysis.
文摘This article focuses on the discussion of Chinese topics and English marked theme. It will be divided into four parts. Part I is introduction part. It introduces the concepts of Chinese topic and English marked theme. Part II tells different types of Chinese topics and English marked themes. Part III discusses the functions of Chinese topics and English themes. Part IV is the conclusion part.
基金supported by the National Natural Science Foundation of China,No.81471308(to JL)the Stem Cell Clinical Research Project in China,No.CMR-20161129-1003(to JL)the Innovation Technology Funding of Dalian in China,No.2018J11CY025(to JL)
文摘Neural stem cells,which are capable of multi-potential differentiation and self-renewal,have recently been shown to have clinical potential for repairing central nervous system tissue damage.However,the theme trends and knowledge structures for human neural stem cells have not yet been studied bibliometrically.In this study,we retrieved 2742 articles from the PubMed database from 2013 to 2018 using "Neural Stem Cells" as the retrieval word.Co-word analysis was conducted to statistically quantify the characteristics and popular themes of human neural stem cell-related studies.Bibliographic data matrices were generated with the Bibliographic Item Co-Occurrence Matrix Builder.We identified 78 high-frequency Medical Subject Heading(MeSH)terms.A visual matrix was built with the repeated bisection method in gCLUTO software.A social network analysis network was generated with Ucinet 6.0 software and GraphPad Prism 5 software.The analyses demonstrated that in the 6-year period,hot topics were clustered into five categories.As suggested by the constructed strategic diagram,studies related to cytology and physiology were well-developed,whereas those related to neural stem cell applications,tissue engineering,metabolism and cell signaling,and neural stem cell pathology and virology remained immature.Neural stem cell therapy for stroke and Parkinson’s disease,the genetics of microRNAs and brain neoplasms,as well as neuroprotective agents,Zika virus,Notch receptor,neural crest and embryonic stem cells were identified as emerging hot spots.These undeveloped themes and popular topics are potential points of focus for new studies on human neural stem cells.
文摘This paper provides a detailed analysis about the themes and the thematic progression of a certain text, with Halliday＇s Systemic-Functional ideas as the theoretical foundation. Based on this, the paper discloses the significance of theme and thematic progression in the development of text, which includes forming a semantic chain and achieving a comprehensive understanding of a text.
文摘美国当代语言学家Jay L. Lemke在互文性理论的基础上进一步提出'主题互文性(thematic intertextuality)'理论,用以分析语篇的主题关系网络。该理论为深入认识党政机关公文的本质提供了一个特别的视角。文章尝试用主题互文性理论分析和解释党政机关公文语篇的主题关系及相关问题,研究结果可以指导公文写作和阅读实践,并为公文生成和理解的自动化研究提供理论支撑,也有助于党政机关提高工作效率,塑造良好的国家机构形象。
