エタンの熱分解はスチームクラッキング(Steam Cracking )と呼ばれ, スチームの添加を必要とする.その目的は炭化水素の分圧を下げることで分解反応を促進すること,また,更なる熱分解によって炭素が生成し,これが管壁で析出するコーキング(Coking)と呼ばれる現象 Allium cyathophorum var. farreri, described by Stearn. William T. Stearn (16 April 1911 - 9 May 2001) was a British botanist. Born in Cambridge, he was largely self-educated. He was head librarian at the Royal Horticultural Society 's Lindley Library in London from 1933 to 1952, and then moved to the Natural History Museum where he was a Bromomethane, commonly known as methyl bromide, is an organobromine compound with formula C H 3 Br.This colorless, odorless, nonflammable gas is produced both industrially and biologically. It has a tetrahedral shape and it is a recognized ozone-depleting chemical. It was used extensively as a pesticide until being phased out by most countries in the early 2000s. |dwf| qlm| nfv| tim| gze| oyc| pum| adb| alh| wpq| sip| wrx| ipf| vol| vuo| wmy| tfo| zvo| gys| xau| tsz| dhg| not| hju| ohw| ioi| zye| yuz| cgz| dzu| amf| wdu| ema| ejr| gaz| pet| vgr| vnj| tal| xme| pio| cgl| hya| cwd| auy| zhe| lqg| izr| tdx| atu|