Rsc البدائل & المنافسين
Advancing excellence, connecting chemical scientists and shaping the future of the chemical sciences for the benefit of humanity.
البدائل والمنافسين ل rsc.org من حيث المحتوى وحركة المرور والهيكل
ACS is one of the world’s largest scientific societies and the premier home of chemistry professionals. Find career opportunities, educational resources and more.
Scitation is home to the most influential news, comment, analysis and research in the Physical Sciences
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MDPI is a publisher of peer-reviewed, open access journals since its establishment in 1996.
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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.
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.
ArXiv.org e-Print archive.
ChemicalBook - Chemical Search Engine.
Your source for innovative, indispensable lab equipment, lab supplies, and services. View our wide selection of products for scientific research and education.
ChemSpider is a free chemical structure database providing fast access to over 100 million structures, properties and associated information.
Thermo Fisher Scientific permet à nos clients de rendre le monde plus sain, plus propre et plus sûr.
Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;
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.
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.
Access 130+ million publications and connect with 20+ million researchers. Join for free and gain visibility by uploading your research.
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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,
Search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis and Routledge imprints.
BMC, research in progress.
IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity.
Abcam, the leading supplier of protein research tools to life scientists. Discover more from a range of 118,000 antibodies, kits, proteins and other reagents
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
Association for Computing Machinery.
Find products, read reviews and hear about the latest technological developments on Biocompare
Your home for data science. A Medium publication sharing concepts, ideas and codes.
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Chemical portal: a place for chemistry enthusiasts and professionals alike. Chemistry tools, periodic table, unit converters and more.
SCBT is a leading producer of monoclonal antibodies, RNAi, CRISPR KO/Activation products and chemicals for research. Cited in over 360,693 publications.
化源网提供快速CAS号查询，CAS No查询，MSDS查询，数百万化合物的专业数据，包括物化, MSDS, 安全信息, 合成路线及文献, 毒性，上下游，期刊文献等。
Tcichemicals.com is ranked number 139305 in the world and links to network IP address 113.146.132.105.
More than 8 billion big datasets for chemical compounds available, comprising property data, spectra data, quantum data, and molecular descriptor data.
SAGE is a global academic publisher of books, journals, and a growing suite of library products and services.
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.
High impact medical journal. Champion of better research, clinical practice & healthcare policy since 1840. For GPs, hospital doctors, educators, policymakers.
JSTOR is a digital library of academic journals, books, and primary sources.
Making developers awesome at machine learning.
Analytics Vidhya - Learn Machine learning, artificial intelligence, business analytics, data science, big data, data visualizations tools and techniques.
Learn Python online: Python tutorials for developers of all skill levels, Python books and courses, Python news, code examples, articles, and more.
Kaggle is the world’s largest data science community with powerful tools and resources to help you achieve your data science goals.
Penn State is a major, public, research-I university serving Pennsylvania and the global community. Learn more about our undergraduate, graduate, and doctoral degree programs.