The four major science and technology reports in the United States refer to the AD report of the Department of Defense, the NASA report of the National Aeronautics and Space Administration, the DOE report of the Department of Energy, and the PB report of the Department of Commerce.
The search tools for scientific and technological reports include Wanfang Data, China National Knowledge Infrastructure, the U.S. Patent and Trademark Office, the Scientific and Technological Document Service System, and Google Scholar.
1. Wanfang Data: A well-known domestic academic literature retrieval database, which collects a large number of scientific and technological reports, papers, journals, conferences and other documents. Users can search through keywords, authors, units, journals, etc., and provide document download and export functions.
2. CNKI (China National Knowledge Infrastructure): It is one of the well-known academic resource libraries in China, including literature retrieval, literature delivery, literature consultation and other services. CNKI collects a large number of academic literature resources such as papers, journals, newspapers, doctoral and master's theses, conference papers, and scientific and technological reports. CNKI has the characteristics of fast retrieval speed, real-time update of retrieval results, and comprehensive content.
3. The United States Patent and Trademark Office (USPTO): It is an institution in the United States that specializes in the field of patents, providing search services for patents, trademarks, copyrights and other resources. Users can search for relevant scientific and technological reports through keywords, patent numbers, etc.
4. Scientific and Technological Literature Service System (STIC): It is a scientific and technological report retrieval database developed by the Institute of Scientific and Technological Information of China (ISTIC). It provides scientific and technological literature resources from 22 countries and regions around the world, including journals. , papers, conference papers, newspapers, monographs and scientific reports, etc. Users can search by Chinese and English keywords, authors, units, etc.
5. Google Scholar: It is a sub-service of Google search engine service and provides online scientific and technological report retrieval function. Users can search relevant documents through multiple channels, such as keywords, authors, units, etc., and it has the characteristics of rich search results and fast speed.
The most common points among scientific and technological report retrieval tools
1. Rich resources: The scientific and technological report retrieval tools collect a large amount of academic literature, including journals, papers, newspapers, monographs and Resources such as scientific and technological reports have wide coverage and rich content.
2. Flexible search methods: The search tools of scientific and technological reports provide a variety of search methods, such as keywords, authors, units, journals, etc., allowing users to easily locate the documents they need.
3. Real-time updates: The search tools for scientific and technological reports will update their search libraries in real time to ensure that users can obtain the latest and most authoritative scientific and technological report information.
4. Convenient downloading and exporting: Search tools for scientific and technological reports usually provide functions such as downloading and exporting documents, allowing users to easily obtain the documents they need.
5. Fast retrieval speed: The search tools of scientific and technological reports have the characteristics of fast retrieval speed, and users can quickly and accurately find the information they need.