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</o:shapelayout></xml><![endif]--></head><body lang=SL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Vabimo vas na 14. predavanje iz sklopa "Kolokviji na IJS" v letu 2014/15, ki bo<span style='color:red'> <b>v sredo, 25. marca 2015, ob 13. uri </b>v Veliki predavalnici Instituta ÂťJoĹžef StefanÂŤ<b> </b></span>na Jamovi cesti 39 v Ljubljani. Napovednik predavanja najdete tudi na naslovu <a href="http://www.ijs.si/ijsw/Koledar_prireditev">http://www.ijs.si/ijsw/Koledar_prireditev</a>, posnetke preteklih predavanj<span style='color:blue'> </span>pa na <a href="http://videolectures.net/kolokviji_ijs">http://videolectures.net/kolokviji_ijs</a>. <o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></p><p class=MsoNormal><b><span style='font-size:14.0pt'>prof. dr. Milena Horvat<o:p></o:p></span></b></p><p class=MsoNormal><i><span lang=ES>Institut âJoĹžef Stefanâ</span><o:p></o:p></i></p><p class=MsoNormal><b><span style='font-size:14.0pt'><o:p> </o:p></span></b></p><p class=MsoNormal align=center style='mso-margin-top-alt:auto;margin-bottom:12.0pt;text-align:center'><b><span style='font-size:14.0pt'>Ĺ˝ivo srebro: od pomembne surovine do nevarnega odpadka<o:p></o:p></span></b></p><p class=MsoNormal align=center style='mso-margin-top-alt:auto;margin-bottom:12.0pt;text-align:center'><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></b></p><p class=MsoNormal style='text-align:justify'>V oktobru 2013 je bila sprejeta globalna konvencija o Ĺživem srebru â konvencija Minamata, ki bo moÄno zaznamovala dejavnosti na podroÄju ukrepov za zmanjĹĄevanje emisij Ĺživega srebra v globalno atmosfero, ravnanje s preseĹžki Ĺživega srebra kot surovine, ter ukrepov za zmanjĹĄanje izpostavljenosti ljudi. Ĺ˝ivo srebro je bila v preteklosti pomembna surovina in Slovenija se je z idrijskim rudnikom uvrĹĄÄala na drugo mesto po koliÄini pridobljenega Ĺživega srebra. Danes pa se Ĺživo srebro uvrĹĄÄa med nevarne odpadke. Kot Ĺže samo ime pove, se ta strupena kovina odlikuje po izjemnih fizikalno kemijskih lastnostih. Je edina kovina, ki je pri sobni temperaturi hlapna. Prav ta lastnost je povzroÄila, da se je v dobi industrializacije koncentracija Ĺživega srebra v globalni atmosferi potrojila. Znanstveno delo Instituta JoĹžef Stefan je bistveno doprineslo k strokovnim podlagam za pripravo mednarodne konvencije. Te raziskave posegajo na podroÄje razumevanja lokalnega in globalnega kroĹženja Ĺživega srebra, modeliranja, negativnih uÄinkov na zdravje ljudi in ekosistemov, ter razvojem Äistih tehnologij. Z razvojem in uporabo najnovejĹĄih analiznih tehnik masne spektrometrije pa lahko sledimo virom in pretvorbam te nevarne kovine v okolju in zagotavljamo primerljivost meritev na globalnem nivoju.<i><span lang=ES><o:p></o:p></span></i></p><p class=MsoNormal style='text-align:justify'><o:p> </o:p></p><p class=MsoNormal>Predavanje bo v slovenĹĄÄini.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><b><span style='font-family:"Calibri","sans-serif";color:red'>Lepo vabljeni!</span></b><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></div></body></html>