ETILEN, eten, I2S = SN2, karbogidridi noser, uzvi yakumi qatori gomologii olefinho, gazi berang buda, bui susti efirro dorad; t gud. —169,5‘S, t dush.—103,8°S. zichiash 570 kg/m3; dar ob hal nameshavad, dar spirt bad, dar efir, aseton va g. hal meshavad. Baroi E. reaksiyai payvastkuni ba bandi duchandi karbonu karbon khos ast. Usulhoi asosii istehsoli sanoatii E.— kreking va pirolizi balandharorati (700—850S) distillyathoi moei neft va karbogidridhoi parafini (asosal etan va propan) ast. E.-ro baroi defoliasiyai rastaniho va tezondani pazishi mevaho (mas., pomidor, kharbuza, aflesun va g.) istifoda mebarand. Konsentrasiyai ziyodi E. odam va hayvonotro behush mekunad.
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SATHI VINTI, sathest, ki khati £ hangomi dar girdi mehvari nojunboni OO’ bo surati kunjii …