Sigmaaldrich
Manufacturer of laboratory reagents in all fields of life sciences, including biochemistry, molecular biology, cell culture and cell biology.
http://Sigmaaldrich.com/百度权重:
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收录时间:2025-08-03Wolfram
U.S. operations for the makers of Mathematica, a fully integrated technical computing software package, Wolfram|Alpha, and other programs. Includes online ordering and company information.
http://Wolfram.com/百度权重:
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收录时间:2025-07-31Sciencealert
Science news & entertainment for a new generation of knowledge lovers.
http://Sciencealert.com/百度权重:
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收录时间:2025-08-01Sciencemag
International weekly science journal, published by the American Association for the Advancement of Science (AAAS).
http://Sciencemag.org/百度权重:
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收录时间:2025-07-31Fao
Site has many information resources and links on agricultural topics, as well as hunger, sustainable development, and related matters.
http://Fao.org/百度权重:
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收录时间:2025-08-02Scientificamerican
Monthly magazine of science. Website includes articles from past issues.
http://Scientificamerican.com/百度权重:
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收录时间:2025-07-31Arxiv
Fully automated electronic archive and distribution server for research papers, hosted at the Los Alamos National Laboratory.
http://Arxiv.org/百度权重:
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收录时间:2025-07-31- 百度权重:
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收录时间:2025-07-31 Bom.gov
Weather reports and forecasts, weather warnings, climate information, and educational resources..
http://Bom.gov.au/百度权重:
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收录时间:2025-07-31Livescience
This site explains the latest research on the planet, from human biology to the animal world and the forces of nature.
http://Livescience.com/百度权重:
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收录时间:2025-07-31
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