Doaj البدائل & المنافسين
DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.
البدائل والمنافسين ل doaj.org من حيث المحتوى وحركة المرور والهيكل
Scimago Journal & Country Rank.
Find and compare more than 300 categories of national, international, regional, academic conferences happening in 2024, 2025, & 2026 around the world. World's best and fastest-growing search portal for finding journal, conferences, workshops, events, symposiums, and seminars. Filter conferences, journals, etc. using our advance filter based on location, month, year, area, city, country, and categories of your choice.
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CiteFactor provides journal indexing, research paper indexing, impact factor and journal impact factor report 2021. Citefactor is Directory of International Research Journals in association with leading universities.
The home of expert peer review. Reviewer recognition, training, post-publication review and statistics
Access the latest impact factors of more than 28,000 science journal since 2012. Join 10+ million researchers and for free and gain visibility by uploading your research.
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Your platform to explore and explain papers. Search for 270M+ papers, understand them in simple language, and find connected papers, authors, topics.
Journal impact search engine. Bioxbio.com includes the journal factors, ISSN, number of articles and other detailed information of over 11000 journals in different fields.
Scilit is a comprehensive content aggregator platform for scholarly publications. It is developed and maintained by the open access publisher MDPI AG.
LetPub's editing services help authors eliminate language barriers and meet stringent standards of high-impact journals, thus helping raise the chances of publication.
Impact factor Spis czasopism naukowych i ciekawe artykuły online Nauka i rozwój - Impact Factor Aktualne artykuły i poradniki na temat motoryzacji
SciRev - Review the scientific review process.
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.
Clarivate is a global leader in providing trusted insights and analytics. Our vision is to improve the way the world creates, protects, and advances innovation.
ScienceGate is a fast and effective way of finding, managing, and downloading scholarly articles from over 1M sources including 87K journals.
LetPub SCI论文英语润色和同行资深专家修改团队全部由以英语为母语，有长期编辑科技论文经验的编辑组成。他们来自于临床医学、生物、化学、物理、工程学 、天文学、地球与环境科学、人文社会学、商学等不同学科领域，且有丰富的SCI研究论文、领域综述的发表经验，经常获邀担任一些期刊的审稿人。
Similarjournals.com is ranked number 10M in the world and links to network IP address 23.229.186.130.
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Clarivate.
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研淳(Papergoing)专业服务包括SCI论文润色、学术翻译服务、学术期刊推荐、英文论文查重降重、一对一或一对课题组深度指导等。我们的科学团队均拥有博士学位，毕业于多伦多大学、加州理工伯克利、帝国理工学院、牛津、耶鲁、密西根等世界名校，学科范围几乎涵盖所有研究领域，润色经验长达10余年。
Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;
Punktacja Czasopism Naukowych 2010-2017 Wyszukiwarka.
Clarivate.
MDPI is a publisher of peer-reviewed, open access journals since its establishment in 1996.
EndNote is the reference manager that helps you save time formatting citations, so you can focus on your research.
Aries Systems Corporation.
Comprehensive workflow management systems for scholarly journals, books and conferences.
爱科学为科研工作者分享最新科学资讯、中文期刊、SCI期刊、SCI论文写作方法、SCI影响因子查询、文献检索及统计学基础知识，提供便捷的科学导航、科研小组、科学博客及专业学术论坛。
Libser.site is ranked number 10M in the world and links to network IP address 15.197.192.55.
国家自然科学基金委员会 > 首页 .
【80图书馆】集成了Web of Science,Pubmed,ScienceDirect,SpringerLink,IEEE,Embase,Reaxys,OVID,Scopus,ProQuest,Wiley等数百个国内外顶级科研文献数据库,一个80图书馆帐号畅享以上所有数据库,无论您身处何地都能随时查阅并下载文献,从此下载科研文献不再求人.
All Journals - SCITECARD.
科学网是由中国科学院、中国工程院和国家自然科学基金委员会主管，中国科学报社主办的综合性科学网站，主要为网民提供快捷权威的科学新闻报道、丰富实用的科学信息服务以及交流互动的网络平台，目标是建成最具影响力的全球华人科学社区。
Journalindexing.com is ranked number 10M in the world and links to network IP address 199.79.62.144.
MedSci(梅斯医学)致力于医疗质量的改善，从事临床研究服务、数据管理、医学统计、临床培训、继续教育等支持，促进临床医生职业发展和医疗智慧化。
小木虫 - 学术 科研 互动社区.
X-MOL科学知识平台，顶级期刊论文图文内容每日更新，海内外课题组信息，行业新闻文摘，化学类网址导航，化学软件和数据库导航，及更多其他内容
Research Square is a preprint platform that makes research communication faster, fairer, and more useful.
Search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis and Routledge imprints.
影响因子,SCI,SSCI,ESCI检索查询,2024年,2023年,影响因子中文官网.