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PubMed. PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval.
- January 1996; 27 years ago
- pubmed.ncbi.nlm.nih.gov
Per- and polyfluoroalkyl substances are defined as a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain. An early definition, from 2011, required that they contain at least one perfluoroalkyl moiety, –C n F 2n+1 –. [13] [14] Beginning in 2021, the Organisation for Economic Co ...
Non-binary and genderqueer are umbrella terms for gender identities that are not solely male or female (identities outside the gender binary). Non-binary identities often fall under the transgender umbrella since non-binary people typically identify with a gender that is different from the sex assigned to them at birth, though some non-binary people do not consider themselves transgender.
The Great Gatsby is a 1925 novel by American writer F. Scott Fitzgerald. Set in the Jazz Age on Long Island, near New York City, the novel depicts first-person narrator Nick Carraway's interactions with mysterious millionaire Jay Gatsby and Gatsby's obsession to reunite with his former lover, Daisy Buchanan. The novel was inspired by a ...
文正 may refer to: Bunsh ō, Japanese era name corresponding to February 1466 through March 1467 As a given name: Dennis Peng (彭文正, born 1961), journelist from Taiwan Eric Chang (Belizean politician) (張文正, born 1979), Belizean politician from Taiwan ...
A, or a, is the first letter and the first vowel letter of the Latin alphabet,[1][2] used in the modern English alphabet, and others worldwide. Its name in English is a (pronounced /ˈeɪ/ AY), plural aes.[nb 1][2] It is similar in shape to the Ancient Greek letter alpha, from which it derives.[3] The uppercase version consists of the two ...
The Forbidden City ( Chinese: 紫禁城; pinyin: Zǐjìnchéng) is a palace complex in Dongcheng District, Beijing, China, at the center of the Imperial City of Beijing. It is surrounded by numerous opulent imperial gardens and temples including the 22 ha (54-acre) Zhongshan Park, the sacrificial Imperial Ancestral Temple, the 69 ha (171-acre ...
