常用英文数据库免费下载大 (常见免费英文数据库)
Introduction
With the advent of technology, the avlability of information has increased manifold. In the field of research, databases are an essential resource to access and yze large sets of data. Though several databases are avlable online, not all are accessible for free. Researchers, especially students, face difficulty in accessing these pd databases. However, there are a few databases that are avlable for free, and this article ms to provide an extensive list of such databases.
1. The World Bank Open Data
The World Bank Open Data provides free data from several countries across the globe. It covers topics such as education, health, finance, and economy, among others. The database offers easy download and access to data, making it a useful resource for students and researchers.
2. MEDLINE
MEDLINE is a database that provides access to a vast library of biomedical literature. The National Library of Medicine (NLM) manages the database, and it includes over thirty million citations from various sources. The database offers free access to abstracts and articles, making it a valuable resource for researchers in the field of medicine and health.
3. PLOS ONE
PLOS ONE is a database that provides access to peer-reviewed scientific articles. The database covers several topics such as biology, chemistry, physics, and computer science, among others. PLOS ONE offers free access to all articles published under its platform, making it a useful resource for researchers in various fields.
4. arXiv
arXiv is a preprint server that provides access to scientific papers and articles covering several disciplines such as physics, mathematics, computer science, and biology, among others. The database provides free access to articles, making it a valuable resource for researchers and students.
5. Europeana
Europeana is a database that provides access to digitized books, pntings, photographs, and newspapers from various European countries. The database offers over fifty million items, and it grants free access to all its resources, making it a valuable tool for students and researchers.
6. Google Scholar
Google Scholar is a popular search engine that provides access to academic literature. It covers a vast database of journals, articles, and books across various disciplines. Google Scholar offers free access to all resources avlable on its platform, making it a useful resource for students, researchers, and academicians.
7. PubMed
PubMed is a database that provides access to over thirty million citations in the field of medicine and health. The National Library of Medicine manages the database, and it offers free access to abstracts and several full-text articles, making it a useful resource for researchers and students in the field of medicine.
Conclusion
In conclusion, several databases are avlable for free, and they provide access to a wealth of information. The above list represents a few of the many free databases avlable online. These databases offer students and researchers an opportunity to access a vast collection of information and improve their research work. Therefore, it is essential to explore these resources and utilize them to their fullest potential.