Task: Translation
Input (Czech): Zp sob v²roby aminopropionitril  obecn ho vzorce I, ve kter m R znamen  atom vod ku nebo methylovou skupinu, spo  v  v tom,  e se nech  reagovat amoniak s akrylonitrily obecn ho vzorce II, ve kter m substituent R m  v²znam uveden² v² e, v mol rn m pom ru od 1 : 1 do 500 : 1 na oxidech 7. nebo 8. vedlej   skupiny periodick ho syst mu prvk , kysel²ch nebo bazick²ch organick²ch iontom ni  ch nebo jejich sm s ch jako heterogenn m katalyz toru za teplot od 40 do 180 .degree.C a tlak  od 1,0 do 35,0 MPa.\
Output (English): The process for the preparation of aminopropionitrile of general formula (I) in which R represents a hydrogen atom or a methyl group in which the acrylonitrile ammonia of general formula II is reacted in which the substituent R m is as defined above in moles A ratio of 1: 1 to 500: 1 on oxides of the 7th or 8th side group of the periodic system of elements, acidic or basic organic ions, or mixtures thereof as heterogeneous catalysts at temperatures of 40 to 180 .degree.C and pressure from 1.0 to 35.0 MPa. \ t