SCIRP Open Access
Scientific Research Publishing is an academic publisher with more than 200 open access journal in the areas of science, technology and medicine. It also publishes academic books and conference proceedings.
点击进入 - 2023-11-02 - 收藏
ChemicalBook - Chemical Search Engine
Chemicalbook is a platform dedicated to provide the most valuable resources for chemical industry users. Here you can get chemical information (such as chemical physical properties, safety data, Excellent china suppliers and their web addresses and etc.)by searching the name, CAS number, molecular formula, molecular weight, MDL number, EINECS number, structure.
点击进入 - 2023-10-13 - 收藏
Get Free Ebooks
Download Free Ebooks, Legally - Readers and writers unite!Download totally free legal ebooks, available in all popular formats - no registration required. Tips & tricks, reviews, compilations and many more.
点击进入 - 2023-08-04 - 收藏
Planet eBook官网
Welcome to Planet eBook, the home of free classic literature! The latest version of the site, with its mobile-friendly design and multi-format eBooks, attempts to make our collection of eBooks available on all devices. Existing free eBooks on the web tend to be well beneath the quality of paper books, making them more difficult and less pleasurable to read.
点击进入 - 2023-08-04 - 收藏
Free-eBooks
Free-eBooks.net is the internet\'s #1 source for free eBook downloads, eBook resources & eBook authors. Read & download eBooks for Free: anytime!
点击进入 - 2023-08-04 - 收藏
中小学智慧阅读平台登录
中小学智慧阅读平台登录http://edu.hwebook.cn/汉王书城http://www.hwebook.cn/是电子书下载阅读网站，提供几十万种正版免费电子书在线试读，还有数千本可以免费全本阅读，种类囊括：畅销小说，言情小说，穿越小说，武侠小说，网络小说，中外名著，古典国学，参考消息，环球时报，青年文摘，南风窗等。为您开启新时代最优质的网络阅读服务。
点击进入 - 2023-02-18 - 收藏
World Book官网
World Book is a leading publisher of nonfiction and mixed-genre children's book series, reference materials, and digital learning platforms. Education is World Book’s commitment and its editorial team is World Book’s strength. Each team member is dedicated to producing accurate and unbiased information by utilizing contemporary technological tools and following traditional practices of editorial excellence. For more than 100 years, World Book has promoted learning for the entire family through a range of products in which complex topics are concisely explained and vividly illustrated. An explicit goal is to help increase both reading fluency and comprehension in young readers. Encyclopedic content is updated continually and accessible 24/7 on a variety of devices. Innovative and readable, World Book will remain a trusted and useful resource at home, in the library, and in the classroom for years to come.
点击进入 - 2023-02-15 - 收藏