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.

sci-hub website. get free access to academic journals. download research papers for free from sciencedirect, ieee, wiley, springer, nature and others

sci-hub website. get free access to academic journals. download research papers for free from sciencedirect, ieee, wiley, springer, nature and others

mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

万方数据知识服务平台-中外学术论文、中外标准、中外专利、科技成果、政策法规等科技文献的在线服务平台。

sci-hub website. get free access to academic journals. download research papers for free from sciencedirect, ieee, wiley, springer, nature and others

汉斯出版社 聚焦于国际开源学术期刊,电子期刊,期刊投稿,中文期刊,开源期刊的出版发行, 覆盖数学物理、生命科学、化学材料、地球环境、医药卫生、工程技术等领域。

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.

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