Pubchem.ncbi.nlm.nih
Free database of chemical structures of small organic molecules and information on their biological activities. Linked with NIH PubMed/Entrez information retrieval system.
http://Pubchem.ncbi.nlm.nih.gov/百度权重:
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收录时间:2025-08-03Statcan.gc
Provides economic, social and census data, related publications, news, and education resources.
http://Statcan.gc.ca/百度权重:
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收录时间:2025-08-03Sciencebuddies
Topic Selection Wizard helps students pick a project topic. Experienced scientists answer student questions in an online forum. Step-by-step project help guide.
http://Sciencebuddies.org/百度权重:
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收录时间:2025-08-01Simplypsychology
Psychology articles and resources targeted at A-level and degree students.
http://Simplypsychology.org/百度权重:
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收录时间:2025-08-03- 百度权重:
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收录时间:2025-07-28 Arabic-keyboard
Arabic keyboard to type Arabic characters on computers which do not have a keyboard for typing the Arabic alphabet.
http://Arabic-keyboard.org/百度权重:
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收录时间:2025-07-27Scitation.aip
Home of journals and conference proceedings from AIP Publishing and AIP member societies.
http://Scitation.aip.org/百度权重:
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收录时间:2025-07-13- 百度权重:
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收录时间:2025-07-14 Spectrum.ieee
High technology magazine and flagship publication of the Institute of Electrical and Electronics Engineers, Inc. (IEEE)
http://Spectrum.ieee.org/百度权重:
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收录时间:2025-07-13Discovermagazine
Science news, articles, current events and future views on technology, space, environment, health, and medicine.
http://Discovermagazine.com/百度权重:
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收录时间:2025-07-13
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