四川农业大学（Sichuan Agricultural Uniersity）简称“川农”，位于中国四川省雅安市。川农是川西地区最著名的农学及生物科技类高等学府，也是四川省唯一一所位于省会成都以外的211大学。川农自成立以来，曾获省部级以上科技成果奖370多项，其中国家技术发明奖一等奖2项，二等奖2项，国家自然科学奖二等奖1项，国家科技进步奖二等奖8项。

承德医学院（Chengde Medical College）是一所隶属于河北省政府的普通高等医学本科院校，座落在中国历史文化名城——承德市。承德医学院是河北省省属高等学校，创建于1945年，是一所具有光荣革命传统的学校。

Free online dictionary, thesaurus, spanish-english and medical dictionaries, audio pronunciations, Word of the Day, word games, and many more high-quality Merriam-Webster language resources.

The American Coatings Association (ACA) advances the needs of the paint and coatings industry through advocacy and programs that support environmental protection, product stewardship, health, safety, and the advancement of science and technology.

We are a global group of energy and petrochemicals companies with around 101,000 employees in more than 90 countries and territories. Our innovative approach ensures we are ready to help tackle the challenges of the new energy future.

Chevron works to meet the world's growing demand for energy by exploring for oil and natural gas; refining and marketing gasoline; producing chemicals and geothermal power and more.

Petróleos Mexicanos es el organismo paraestatal encargado de la extracción y procesado de petróleo y gas.

ChemIndustry.com is the search engine of the chemical world. The best place for chemists and chemical industry professionals to find chemicals, equipment, services and chemical resources.

American Foundry Society promotes the metalcasting industry by helping foundry and diecasting members to manage all production operations and market their products and services.

中华人民共和国农业部农药检定所（ICAMA）主办。