Download research papers for free from ScienceDirect, IEEE, Wiley, Springer, Nature and others.

Get free access to academic journals. Download research papers for free from ScienceDirect, IEEE, Wiley, Springer, Nature and others.

Sci-Hub科研学术导航,汇集文献检索、论文查重、期刊发表、写作降重，免费下载中外文文献、电子图书、专利等，为广大科研人员在学术道路上提供方便快捷的服务！

Our mission is to remove any barrier which impeding the widest possible distribution of knowledge in human society! We advocate for cancellation of intellectual property, or copyright laws, for …

Leverage Chia Network’s blockchain technology to ensure data integrity, prove authenticity, and maintain auditable provenance of your assets. Build and maintain trust and transparency in the …

Sci-Hub is helping millions of students and researchers, medical professionals, journalists and curious people in all countries to unlock access to knowledge. The mission of Sci-Hub is to …

Get free access to academic journals. Download research papers for free from ScienceDirect, IEEE, Wiley, Springer, Nature and others.

If the usual Sci-Hub links you know are not working, you can try these new Sci-Hub Links. They are continually updated when new links are online. Note: For better results, search by …

chio_SMTR25超话，阅读数:6482.1万、帖子数:7.5万、粉丝数:5.8万，新浪微博超话社区，微博上的兴趣社区。 超话社区，超有话聊。

2021年2月19日 · 2020年Mohammed Azmi Al-Betar等人提出的一种新的基于自然的优化算法——冠状病毒群体免疫优化算法 (CHIO)。 其灵感来源于世界传播的灾难性的新冠病毒，模仿 …