网站简介：Provides a portal to the agency's civilian and military functions including information on regulatory activities, engineering, construction, contracting, navigation, hydropower, recreation, environmental principles and emergency response operations. Also provides links to regional division and district sites, an e-mail directory of employees, employment information, and news.
网站简介：Describes current reports and special services available, seismological work, and the history and structure of the organization.
网站简介：Process measurement and control instruments: thermocouples, sensors, probes, data acquisition, recorders, temperature, flow, level, pressure, strain and force instruments. In English, Dutch, Czech and German.
网站简介：Free chemistry search engine which aggregates and indexes chemical structures and their associated information into a single searchable repository.
网站简介：Full information on the functions, capabilities, and unified architecture of the Mathematica system.
网站简介：An exchange offering the possibility to trade in a large selection of alternative cryptocurrencies.
网站简介：Provides genome browser, gene sorter, blat search function, and publications.
网站简介：Business case studies, teaching materials and lesson plans in text and audio with revision quizzes.
网站简介：Vaccine and antiviral information. Also provides national and international surveillance reports.s.
网站简介：Includes a searchable research database, listing of faculty, and department information.
网站简介：SOAS, University of London is the world's leading centre for the study of a highly diverse range of subjects concerned with Asia, Africa and the Middle East.
网站简介：Promotes conservation of birds and other wildlife through the protection and re-creation of habitats. News, history, programmes, membership, articles, nature reserves, conservation issues, and education.
网站简介：Virtual tours of the zoo's exhibits and information about the zoo itself.
网站简介：The IAEA is the world's central intergovernmental forum for scientific and technical co-operation in the nuclear field. Provides news and resources.
网站简介：Information about water resources from the U.S. Geological Survey. Topics include ground water, surface water, water use, water quality, acid rain, toxic substances hydrology.
网站简介：Jefferson Lab is a basic research laboratory built to probe the nucleus of the atom to learn more about the structure of matter. Located in Newport News, Virginia.
网站简介：SGS is the world’s leading inspection, verification, testing and certification company. SGS is recognized as the global benchmark for quality and integrity. With 55000 employees, SGS operates a network of about 1’000 offices and laboratories around the world
网站简介：Includes articles, tools and resources for implementing Six Sigma quality, total quality management, ISO9000, and process improvements programs.
网站简介：Publishes fire and building safety standards including the National Electrical Code.
网站简介：Free resources for teachers and homeschooling parents. Math worksheet generators, electronic math textbooks for grades 1-5, homeschool math curriculum guide, a math resources list that emphasizes interactive content and games, and math teaching articles and lessons.
网站简介：Articles and product recommendations for simple, sustainable living.
网站简介：The main in-house research arm of the U.S. Department of Agriculture. Research news, find-a-researcher, consumer and educational information on a wide range of topics in food, agriculture, pest management, and related areas.
网站简介：Includes economic and general information such as retail and consumer prices and family income and expenditure data. [English/Japanese]
网站简介：Collected news, ideas and insights for progressive business leaders. Includes hubs, events, awards, network membership, directory and jobs.
网站简介：Manufacturers of high-performance memory.