Acs 代替案 & 競合他社
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First published in 1869, Nature is the world’s leading multidisciplinary science journal. Nature publishes the finest peer-reviewed research that drives ground-breaking discovery, and is read by thought-leaders and decision-makers around the world.
Scitation is home to the most influential news, comment, analysis and research in the Physical Sciences
Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the Federal focal point for health and medical research. The NIH website offers health information for the public, scientists, researchers, medical professionals, patients, educators,
Open-access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, blogs and news.
BMC, research in progress.
Elsevier est une entreprise mondiale d'analyse de données qui aide les instituts et les professionnels de santé à faire avancer la science et à améliorer leurs performances.
Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;
Access 130+ million publications and connect with 20+ million researchers. Join for free and gain visibility by uploading your research.
Search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis and Routledge imprints.
Your source for innovative, indispensable lab equipment, lab supplies, and services. View our wide selection of products for scientific research and education.
Thermo Fisher Scientific permet à nos clients de rendre le monde plus sain, plus propre et plus sûr.
ChemicalBook - Chemical Search Engine.
ChemSpider is a free chemical structure database providing fast access to over 100 million structures, properties and associated information.
American Physical Society (APS) is a non-profit membership organization working to advance and diffuse the knowledge of physics through its outstanding research journals, scientific meetings, and education, outreach, advocacy and international activities.
Home - PLOS.
We're committed to being your source for expert health guidance. Come to us in your pursuit of wellness.
The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical review.
SAGE is a global academic publisher of books, journals, and a growing suite of library products and services.
Find products, read reviews and hear about the latest technological developments on Biocompare
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More than 8 billion big datasets for chemical compounds available, comprising property data, spectra data, quantum data, and molecular descriptor data.
Tcichemicals.com is ranked number 139662 in the world and links to network IP address 113.146.132.105.
IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity.
Your home for data science. A Medium publication sharing concepts, ideas and codes.
Association for Computing Machinery.
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
Stay up to date, maintain your CME with the latest research, author interviews, apps, and learning courses from JAMA and the Specialty Journals.
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.
Medical news and health news headlines posted throughout the day, every day
Today on Medscape : Get the latest medical news, clinical trial coverage, drug updates, journal articles, CME activities & more on Medscape. A free resource for physicians.