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Rare Earth element | erbium (Er)
Mu 1843, a Mossander a ku Sweden adapeza element erbium. Zowoneka bwino za erbium ndizowoneka bwino kwambiri, ndipo kuwala kwa 1550mm kwa EP+, komwe kwakhala kukudetsa nkhawa nthawi zonse, kumakhala ndi tanthauzo lapadera chifukwa kutalika kwa mafundewa kumakhala komwe kumasokoneza kwambiri ...Werengani zambiri -
Rare Earth element | cerium (Ce)
The element 'cerium' inapezeka ndipo inatchulidwa mu 1803 ndi German Klaus, Swedes Usbzil, ndi Hessenger, pokumbukira asteroid Ceres yomwe inapezeka mu 1801. (1) Cerium, monga chowonjezera cha galasi, imatha kuyamwa ultravio ...Werengani zambiri -
Rare Earth element | Holmium (Ho)
Mu theka lachiwiri la zaka za m'ma 1800, kupezedwa kwa kusanthula kwa spectroscopic ndi kusindikizidwa kwa matebulo a periodic, limodzi ndi kupita patsogolo kwa njira zolekanitsa ndi electrochemical za zinthu zosowa zapadziko lapansi, zinalimbikitsanso kutulukira kwa zinthu zatsopano zapadziko lapansi. Mu 1879, Cliff, waku Sweden ...Werengani zambiri -
Rare Earth element | Dysprosium (Dy)
Mu 1886, Mfalansa Boise Baudelaire bwinobwino analekanitsa holmium mu zinthu ziwiri, wina akadali kudziwika monga holmium, ndipo wina dzina lake dysrosium zochokera tanthauzo la "zovuta kupeza" kuchokera holmium (Figures 4-11). Dysprosium pakali pano ikugwira ntchito yofunika kwambiri mu ...Werengani zambiri -
Rare Earth element | Terbium (Tb)
Mu 1843, Karl G. Mosander wa ku Sweden anapeza element terbium kupyolera mu kafukufuku wake wa yttrium earth. Kugwiritsa ntchito terbium makamaka kumakhudza magawo apamwamba kwambiri, omwe ndi luso laukadaulo komanso mapulojekiti odziwa zambiri, komanso ma projekiti omwe ali ndi phindu lalikulu pazachuma ...Werengani zambiri -
Rare Earth element | gadolinium (Gd)
Mu 1880, G.de Marignac waku Switzerland adalekanitsa "samarium" kukhala zinthu ziwiri, zomwe zinatsimikiziridwa ndi Solit kukhala samarium ndipo chinthu china chinatsimikiziridwa ndi kafukufuku wa Bois Baudelaire. Mu 1886, Marignac adatcha chinthu chatsopanochi gadolinium polemekeza katswiri wamankhwala waku Dutch Ga-do Linium, yemwe ...Werengani zambiri -
Zinthu Zosowa Zapadziko | EU
Mu 1901, Eugene Antole Demarcay adapeza chinthu chatsopano kuchokera ku "samarium" ndipo adachitcha kuti Europium. Izi mwina zimatchedwa dzina la Europe. Ambiri a europium oxide amagwiritsidwa ntchito popanga fulorosenti. Eu3 + imagwiritsidwa ntchito ngati choyambitsa ma phosphors ofiira, ndipo Eu2 + imagwiritsidwa ntchito ngati phosphors ya buluu. Pakadali pano, ...Werengani zambiri -
Rare Earth element | Samarium (Sm)
Rare Earth element | Samarium (Sm) Mu 1879, Boysbaudley adapeza chinthu chatsopano chosowa padziko lapansi mu "praseodymium neodymium" chotengedwa kuchokera ku niobium yttrium ore, ndikuchitcha samarium molingana ndi dzina la ore iyi. Samarium ndi mtundu wopepuka wachikasu ndipo ndiye zinthu zopangira Samariya ...Werengani zambiri -
Rare Earth element | Lanthanum (La)
The element 'lanthanum' idatchulidwa mu 1839 pomwe waku Sweden wotchedwa 'Mossander' adapeza zinthu zina m'nthaka ya tauniyo. Anabwereka liwu lachi Greek loti 'zobisika' kuti atchule chinthu ichi 'lanthanum'. Lanthanum imagwiritsidwa ntchito kwambiri, monga zida za piezoelectric, zida za electrothermal, thermoelec ...Werengani zambiri -
Rare Earth element | Neodymium (Nd)
Rare Earth element | Neodymium (Nd) Ndi kubadwa kwa chinthu cha praseodymium, chinthu cha neodymium chinatulukanso. Kufika kwa chinthu cha neodymium kwayambitsa gawo losowa padziko lapansi, kwathandiza kwambiri pagawo losowa padziko lapansi, ndikuwongolera msika wosowa padziko lapansi. Neodymium yakhala yotentha pamwamba ...Werengani zambiri -
Rare Earth element | yttrium (Y)
Mu 1788, Karl Arrhenius, msilikali waku Sweden yemwe anali wokonda kuphunzira chemistry ndi mineralogy ndikusonkhanitsa ores, adapeza mchere wakuda wokhala ndi mawonekedwe a phula ndi malasha m'mudzi wa Ytterby kunja kwa Stockholm Bay, wotchedwa Ytterbit malinga ndi dzina la komweko. Mu 1794, gulu lachi Finnish ...Werengani zambiri -
Njira yosungunulira zosungunulira za zinthu zosowa zapadziko lapansi
Njira yotulutsira zosungunulira Njira yogwiritsira ntchito zosungunulira za organic pochotsa ndi kulekanitsa zinthu zomwe zachotsedwa ku njira yamadzi yosungunulira imatchedwa organic solvent liquid-zamadzimadzi m'zigawo njira, chidule monga zosungunulira m'zigawo njira. Ndi njira yosamutsira anthu ambiri yomwe imasamutsa sub...Werengani zambiri