1. Papers: Papers usually refer to academic papers, which are articles in which researchers discuss the research objectives, methods, results and conclusions in detail after conducting independent or cooperative research in specific fields. A paper usually includes title, author, abstract, key words, introduction, methods, results, discussion and conclusion, which is the most basic form of output in scientific research.
2. Literature: Literature usually refers to academic papers or research reports published in books, periodicals, reports, dissertations and other publications, as well as conference papers published at various conferences. The content of literature is generally the research results or progress in a certain field, and it is a record and summary of the research status in this field.
Abstract: Abstract refers to an article that comprehensively and systematically introduces and evaluates the research status, progress or trend in a certain field. It usually involves many aspects of this field, which requires a deeper understanding and understanding, as well as a higher ability of analysis and induction. A review can be a review of a specific topic or a comprehensive review of a topic or field.
4.SCI: SCI (Scientific Citation Index) is a scientific citation index database under the institute for scientific information (ISI) in the United States, and it is one of the widely used index databases of scientific journals and conference papers all over the world. SCI contains high-quality academic papers published in core journals around the world, which usually undergo strict peer review and screening.
To sum up, works, documents, reviews and SCI are different types of academic publications or resources, and they are different in content, form and use. The paper emphasizes the display and discussion of research results, the literature provides a collection of various research results, the abstract is a comprehensive evaluation and introduction of research results in a certain field, and SCI is an index database of academic journals and conference papers.