Duke 备择方案 & 竞争对手
替代品和竞争对手 duke.edu 在内容、流量和结构方面
The University of North Carolina at Chapel Hill, the nation’s first public university, is a global higher education leader known for innovative teaching, research and public service. A member of the prestigious Association of American Universities, Carolina regularly ranks as the best value for academic quality in U.S. public higher education.
Columbia University in the City of New York.
Home | University of California, Berkeley.
One of the world’s leading research universities, the University of Chicago inspires scholars to pursue field-defining research, while providing a transformative education for students.
Purdue University is a world-renowned, public research university that advances discoveries in science, technology, engineering and math. With its flagship campus in West Lafayette, Indiana, Purdue is a land-grant university with a system that has statewide campuses and online, adult-learning and polytechnic programs.
A top-ranked public university, the University of Michigan has a tradition of excellence in research, learning and teaching, sports and the arts, and more.
Harvard University is devoted to excellence in teaching, learning, and research, and to developing leaders who make a difference globally.
One of the world's leading research and teaching institutions. Catalyzing discovery, accelerating solutions, sustaining life on Earth, and preparing students for active citizenship.
Through teaching and research, we educate people who will contribute to society and develop knowledge that will make a difference in the world.
JSTOR is a digital library of academic journals, books, and primary sources.
Search and explore the millions of quality, peer-reviewed journal articles published under the Taylor & Francis and Routledge imprints.
Citation Machine® helps students and professionals properly credit the information that they use. Cite sources in APA, MLA, Chicago, Turabian, and Harvard for free.
Automatic works cited and bibliography formatting for MLA, APA and Chicago/Turabian citation styles. Now supports 7th edition of MLA.
Apastyle.org is ranked number 113145 in the world and links to network IP address 192.231.215.84.
Improve your paper with our Proofreading & Editing Service, Plagiarism Checker, Citation Generator, and extensive Knowledge Base.
Gardening Is Easy! Let us Show You How
Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;
We're committed to being your source for expert health guidance. Come to us in your pursuit of wellness.
The University of Southern California is a leading private research university located in Los Angeles — a global center for arts, technology and international business. It is home to the College of Letters, Arts and Sciences and 21 exceptional academic schools and units. USC’s Health Sciences campus houses renowned specialized care and research in cancer, stem cell and regenerative medicine, orthopedics and sports medicine. The university is the largest private sector employer in the city of Los Angeles, responsible for $8 billion annually in economic activity in the region.
Fast. Accurate. Easy to use. Stata is a complete, integrated statistical software package that provides everything you need for data manipulation visualization, statistics, and automated reporting. Stata is not sold in pieces, which means you get everything you need in one package.
The University of California is the world’s leading public research university system. With 10 campuses, 5 medical centers, 3 national labs and a network of agricultural and natural resource centers, UC boasts large numbers of distinguished faculty and researchers in every field.
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.
Medical news and health news headlines posted throughout the day, every day
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,
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.
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
Association for Computing Machinery.
SAGE is a global academic publisher of books, journals, and a growing suite of library products and services.