酸ハロゲン化物
カルボン酸ハロゲン化物の一般式
酸ハロゲン化物（さんハロゲンかぶつ、acid halide）とは、オキシ酸からヒドロキシ基を除去した形のアシル基にハロゲンが結びついた化合物群の総称。単に「酸ハロゲン化物」と呼んだ場合、カルボン酸ハロゲン化物 (RC(=O)X) を指すことが多い。アシルハロゲン化物、アシルハライド (acyl halide) とも呼ばれる[1]。
脚注
^ acyl halides - IUPAC Gold Book
Human spaceflight
Human spaceflight From Wikipedia, the free encyclopedia Jump to navigation Jump to search "Space traveler" redirects here. For other uses, see Space traveler (disambiguation). @media all and (max-width:720px){.mw-parser-output .tmulti>.thumbinner{width:100%!important;max-width:none!important}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:none!important;width:100%!important;text-align:center}} Apollo 11 crewmember Buzz Aldrin on the Moon, 1969 International Space Station crewmember Tracy Caldwell Dyson views the Earth, 2010 Space Shuttle Discovery heads into space with a crew aboard, STS-121 in 2006 Inside a space suit on the Canadarm, 1993 Human spaceflight (also referred to as crewed spaceflight or manned spaceflight ) is space travel with a crew or passengers aboard the spacecraft. Spacecraft carrying people may be operated directly, by human crew, or it may be e...
