Facsimile of about 200,000 patents published since 1996 are available in tiff file format. A searchable database of more than 10,000 records of achievements in scientific research by over 100 institutes and 300 companies of The Chinese Academy of Sciences. A comprehensive and searchable web site that provides a wealth of information on science and technology in China. Databases are maintained by Chinese Academy of Sciences. An online dictionary with over 130,000 terms defined in 130 fields of science and engineering.
Users can search the dictionary or browse the terms by subject.
Constants and Equations Pages Lists scientific constants and equations in astronomy, science, and mathematics. Other listings include areas of shapes, the Greek alphabet, prefixes, Roman numerals, linear length conversions, mathematical symbols, and a periodical table. The database can be searched by patent number or by words in the inventor, title, abstract, assignee, agent, and claims fields. The US Department of Energy provides this searchable directory of full text and bibliographic records of 60,000 DOE research reports in physics, chemistry, materials, biology, environmental sciences, energy technologies, engineering, computer science, renewable energy, etc. Reports are available since 1995.