| Name | Website | Introduction |
| acs.org | acs.org | Primary professional organization for chemists and related occupations. |
| sigmaaldrich.com | sigmaaldrich.com | Manufacturer of laboratory reagents in all fields of life sciences, including biochemistry, molecular biology, cell culture and cell biology. |
| rsc.org | rsc.org | The RSC is the largest organisation in Europe for advancing the chemical sciences. Supported by a worldwide network of members and an international publishing business, its activities span education, conferences, science policy and the promotion of chemistry to the public. |
| chemistry.about.com | chemistry.about.com | News articles, periodic tables, educational resources, newsletters, and annotated links. |
| alliedelec.com | alliedelec.com | Distribution of electronic components and equipment. |
| pubchem.ncbi.nlm.nih.gov | pubchem.ncbi.nlm.nih.gov | Free database of chemical structures of small organic molecules and information on their biological activities. Linked with NIH PubMed/Entrez information retrieval system. |
| cas.org | cas.org | Produces the world’s largest databases of chemical information. |
| chemguide.co.uk | chemguide.co.uk | Resource for A Level chemistry students. |
| webqc.org | webqc.org | Online chemistry tools, forums, unit converters, symmetry tables, periodic table and chemical constants. |
| chemspider.com | chemspider.com | Free chemistry search engine which aggregates and indexes chemical structures and their associated information into a single searchable repository. |
| chemie.de | chemie.de | An information service for the German chemistry community. It provides search engines for chemistry and various databases for chemical information. |
| Rcsb.org/pdb/ | Rcsb.org/pdb/ | Archive of experimentally-determined, biological macromolecule 3-D structures from the Brookhaven National Laboratory. |
| organic-chemistry.org | organic-chemistry.org | Includes a searchable literature index, named reactions and protecting groups as well as a chemical database. |
| chemistry.msu.edu | chemistry.msu.edu | Information for current and prospective students. |
| scripps.edu | scripps.edu | Arnold and Mabel Beckman Center for Chemical Sciences. |
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Top 15 list of global agriculture-related websites (for reference only)
Name Website Introductionfao.org fao.org Site has many information resources and links on agricultural topics, as well as hunger, sustainable development, and related matters.usda.gov usda.gov Enhancing the quality of life...
I like to travel — Costa Rica, I’m here, scenic spot sharing, which one do you like
The following content is for reference and learning only, and the ranking is not divided. LabelNameIntroduce1La Fortuna Suspension Bridge ParkThe...
List of Syrian video sites, TV, radio, newspapers, and other websites (for information only)
Name WebsiteRelationshipsIntroductionSyrian Arab News Agencyhttp://sana.sy/SyrianThe Syrian Arab News Agency (SANA) is a Syrian news agency established in June 1965 as...
Western food culture – > table culture – > etiquette of eating (soup, bread, salad, seafood, meat, fruit, dessert) (common sense)
Etiquette about drinking soup The soup of Western food is divided into the clear soup and thick soup. More formal...
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Eight main series of dishes in china(common sense)
orderSeries namesummaryThe main dishes it represents1Hui cuisineAnhui cuisine, namely Anhui cuisine, is the general name of Southern Anhui cuisine, Wanjiang cuisine, Hefei cuisine, Huainan cuisine,...
Top 15 list of global education-related websites (for reference only)
NameWebsiteIntroductioncodecademy.com codecademy.com Lessons to learn to code interactively.proprofs.com proprofs.com Offers study guides, practice tests, and articles for certification exams.gcflearnfree.org gcflearnfree.org Provides free, web-based career and computer...
Desert is beautiful, desert oasis is more beautiful, record those well-known desert oases
The following content is only for reference and learning, and the ranking is not divided between the top and bottom...
Overview of the most important well-known philosophers in the world (60 in total) Part IV
41. David Hume (1711-1776) was an English agnostic philosopher. He made the epistemological theory of skepticism, which holds that the...
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