🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaالعربيةहिन्दी한국어中文日本語EntityQ383908· pop 17· linked from 26 articlesBirkeland–Eyde processnitrogen fixation using electrical arcsConnectionsnitrogenEntityInternational Standard Book NumberEntityCategoriesChemical processesName reactionsNorwegian inventionsScience and technology in Norway