Sciencedirect uchile. 影响因子是衡量学术期刊科学影响力的指标。它衡量的是期刊前两年发表的论文在统计当年所获得的平均引用次数，是由汤森路透 (Thomson Reuters) 这一出版商发布的。您可在拥有影响因子的期刊主页查看该指标。 高级检索表单提供开放式设计，允许您指定一条或多条信息以在 ScienceDirect 中查找相关文献。您可以在搜索中使用多个布尔值运算符和嵌套子句轻松构建显式查询。 Aug 19, 2024 · ScienceDirect provides an assortment of documents for your scientific research. Jul 16, 2025 · ScienceDirect won a bronze Aspire badge in January 2019 for providing a clear and detailed accessibility page with information on e-book features and support. ScienceDirect consistently ranks among the top 1% most accessible websites on the internet, according to the annual WebAIM Million accessibility report. Jul 16, 2025 · ScienceDirect won a bronze Aspire badge in January 2019 for providing a clear and detailed accessibility page with information on e-book features and support. 所有 ScienceDirect 相关功能及其位置的快速概览，请参阅我们的 快速使用指南。 Sciencedirect属于外文数据资源库，类似知网，各大高校应该都有入口，可以在该网站免费下载外文全文。 SCI的全称Science Citation Index。SCI（科学引文索引）、EI（工程索引）、ISTP（科技会议录索引）是世界著名的三大科技文献检索系统，是国际公认的进行科学统计与科学评价的主要的检索工具，被SCI 为了更快地帮助您，我们可能会要求您提供以下信息： 您访问的页面的截图和特定 URL。 如果您之前已经与我们联系过：请提供您的参考号码（例如 230101-123456）。您可以在我们回复给您的电子邮件的主题字段中找到参考号码。 Aug 19, 2024 · Search for a journal using the ‘Journal/book title’ field on the ScienceDirect homepage or browse journal titles by selecting ' Journals & Books ' in the top right corner. Sep 16, 2025 · The integrated AI features in ScienceDirect aim to help researchers by surfacing relevant information faster. Key findings from articles and chapters published and indexed on ScienceDirect are summarized and compiled in sets of questions and responses or summaries using metadata including the article highlights and abstracts. The Impact Factor and Journal CiteScore are mentioned in the header on the right side of the page. You can easily build an explicit query using multiple Boolean operators and nested clauses in your search. Click the journal title to navigate to the journal’s home page. Aug 19, 2024 · The advanced search form offers an open design which allows you to specify one or more pieces of information to find related documents in ScienceDirect. . t1h4o lol91 scwqkb drtzn2 wprf1xo iypm fyoay55 kisw fpe 1m3b1o