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517,985 subject pages: 4,516 OpenAlex topics and 513,469 Library of Congress subjects. Exact coverage and source dates · Numeric map and gap method
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Organometallic Complex Synthesis and Catalysis
Nuclear physics research studies
Epilepsy research and treatment
Cosmology and Gravitation Theories
Metal-Organic Frameworks: Synthesis and Applications
Luminescence Properties of Advanced Materials
Ruminant Nutrition and Digestive Physiology
GaN-based semiconductor devices and materials
Metaheuristic Optimization Algorithms Research
Cloud Computing and Resource Management
scientometrics and bibliometrics research
Reading and Literacy Development
Nanofluid Flow and Heat Transfer
Osteoarthritis Treatment and Mechanisms
Autism Spectrum Disorder Research
Ferroelectric and Piezoelectric Materials
Electoral Systems and Political Participation
Paleontology and Stratigraphy of Fossils
earthquake and tectonic studies
Remote Sensing in Agriculture
HIV Research and Treatment
Dental materials and restorations
Balance, Gait, and Falls Prevention
Corporate Social Responsibility Reporting
Sperm and Testicular Function
Advanced Combustion Engine Technologies
SARS-CoV-2 and COVID-19 Research
Sustainability and Climate Change Governance
Bacterial Genetics and Biotechnology
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