Izindaba

  • Izindlela zokukhipha i-scandium

    Izindlela zokukhipha i-scandium Isikhathi eside ngemva kokutholakala kwayo, ukusetshenziswa kwe-scandium akuzange kuboniswe ngenxa yobunzima bayo ekukhiqizeni. Ngokuthuthuka okwandayo kwezindlela zokuhlukanisa izinto ezingavamile zomhlaba, manje sekunohlelo oluvuthiwe lokugeleza kokuhlanza amaskandi...
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  • Ukusetshenziswa okuyinhloko kwe-scandium

    Ukusetshenziswa okuyinhloko kwe-scandium Ukusetshenziswa kwe-scandium (njengento eyinhloko yokusebenza, hhayi i-doping) kugxilwe endaweni ekhanyayo kakhulu, futhi akuyona ihaba ukuyibiza ngokuthi iNdodana Yokukhanya. 1. Isibani sesodium ye-Scandium Isikhali sokuqala esiwumlingo se-scandium sibizwa nge-scandium sodium lamp, wc...
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  • Izakhi Zomhlaba Ezingavamile | I-Lutetium (Lu)

    Ngo-1907, u-Welsbach no-G. Urban benza olwabo ucwaningo futhi bathola into entsha evela ku-"ytterbium" besebenzisa izindlela zokuhlukanisa ezihlukene. U-Welsbach waqamba lesi sici ngokuthi Cp (Cassiope ium), kuyilapho u-G. Urban wayiqamba ngokuthi Lu (Lutetium) esuselwe egameni elidala likaParis elithi lutece. Kamuva, kwatholakala ukuthi uCp kanye...
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  • Isici somhlaba esingavamile | I-Ytterbium (Yb)

    Ngo-1878, u-Jean Charles kanye no-G.de Marignac bathola into entsha engavamile yomhlaba ku-"erbium", ebizwa ngokuthi i-Ytterbium ka-Ytterby. Ukusetshenziswa okuyinhloko kwe-ytterbium kungokulandelayo: (1) Isetshenziswa njengesivikelo esishisayo. I-Ytterbium ingathuthukisa kakhulu ukumelana nokugqwala kwe-zinc ene-electrodeposited ...
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  • Isici somhlaba esingavamile | I-Thulium (Tm)

    I-Thulium element yatholwa nguCliff eSweden ngo-1879 futhi yaqanjwa ngokuthi i-Thulium ngegama elidala elithi Thule eScandinavia. Ukusetshenziswa okuyinhloko kwe-thulium kanje. (1) I-Thulium isetshenziswa njengomthombo wemisebe wezokwelapha okhanyayo nolula. Ngemuva kokucwiliswa ekilasini elisha lesibili ngemuva koku...
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  • Isici somhlaba esingavamile | I-erbium (Er)

    Ngo-1843, i-Mossander yaseSweden yathola i-element erbium. Izakhiwo ezibonakalayo ze-erbium zigqame kakhulu, futhi ukukhanya okuphuma ku-1550mm kwe-EP+, obekulokhu kukhathaza njalo, kunokubaluleka okukhethekile ngoba lobu bude begagasi butholakala ngokunembile ekuphazamisekeni okuphansi kwe-optic...
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  • Isici somhlaba esingavamile | i-cerium (Ce)

    I-elementi 'cerium' yatholwa futhi yaqanjwa ngo-1803 ngu-German Klaus, abaseSweden Usbzil, kanye no-Hessenger, kukhunjulwa i-asteroid Ceres eyatholwa ngo-1801. Ukusetshenziswa kwe-cerium kungafingqwa kakhulu kulezi zici ezilandelayo. (1) I-Cerium, njengesengezo sengilazi, ingamunca i-ultravio...
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  • Isici somhlaba esingavamile | I-Holmium (Ho)

    Engxenyeni yesibili yekhulu le-19, ukutholakala kokuhlaziywa kwe-spectroscopic kanye nokushicilelwa kwamathebula ezikhathi ezithile, okuhambisana nokuthuthukiswa kwezinqubo zokuhlukaniswa kwe-electrochemical yezakhi zomhlaba ezingavamile, kwaqhubekisela phambili ukukhuthaza ukutholakala kwezinto ezintsha zomhlaba eziyivelakancane. Ngo-1879, uCliff, waseSweden...
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  • Isici somhlaba esingavamile | I-Dysprosium (Dy)

    Ngo-1886, umFulentshi uBoise Baudelaire wahlukanisa ngempumelelo i-holmium yaba izakhi ezimbili, eyodwa esayaziwa ngokuthi i-holmium, kanti enye ibizwa ngokuthi i-dysrosium ngokusekelwe encazelweni yokuthi "kunzima ukuyithola" ku-holmium (Izibalo 4-11). I-Dysprosium njengamanje idlala indima ebaluleke kakhulu kwabaningi ...
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  • Isici somhlaba esingavamile | I-Terbium (Tb)

    Ngo-1843, uKarl G. Mosander waseSweden wathola i-element terbium ngocwaningo lwakhe nge-yttrium earth. Ukusetshenziswa kwe-terbium ikakhulukazi kuhilela izinkambu zobuchwepheshe obuphezulu, okungamaphrojekthi asezingeni eliphezulu nolwazi olunzulu, kanye namaphrojekthi anenzuzo enkulu kwezomnotho...
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  • Isici somhlaba esingavamile | i-gadolinium (Gd)

    Isici somhlaba esingavamile | i-gadolinium (Gd)

    Ngo-1880, uG.de Marignac waseSwitzerland wahlukanisa i-"samarium" yaba izakhi ezimbili, enye yazo eyaqinisekiswa iSolit ukuthi iyisamarium kanti enye yaqinisekiswa ucwaningo lukaBois Baudelaire. Ngo-1886, u-Marignac waqamba lesi sici esisha ngokuthi i-gadolinium ngokuhlonipha usokhemisi waseDashi u-Ga-do Linium, owathi ...
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  • Izakhi Zomhlaba Ezingavamile | Eu

    Ngo-1901, u-Eugene Antole Demarcay wathola into entsha evela ku-"samarium" futhi wayiqamba ngokuthi i-Europium. Lokhu cishe kuqanjwe ngegama elithi Europe. Iningi le-europium oxide lisetshenziselwa izimpushana ze-fluorescent. I-Eu3+ isetshenziswa njenge-activator yama-phosphors abomvu, futhi i-Eu2+ isetshenziselwa ama-phosphors aluhlaza. Okwamanje,...
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