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Isku-dhafka Dhulka Naadirka ah ee Magical: Cerium Oxide
Cerium oxide, qaacidada molecular waa CeO2, alias Chinese: Cerium(IV) oxide, miisaanka kelli: 172.11500. Waxaa loo isticmaali karaa sida wax dhalaalaysa, kicinta, qaadaha kicinta (kaaliyaha), nuugista ultraviolet, electrolyte unugga shidaalka, nuugista qiiqa baabuurta, Electroceramics, iwm hantida Kiimikada ee ...Sii akhri -
Sixirka Naadirka Dhulka | Daaha ka qaadida siraha aanad garanayn
Waa maxay dhul dhif ah? Bini'aadamku waxay leeyihiin taariikh in ka badan 200 sano tan iyo markii la helay dhul dhif ah 1794. Tan iyo markii ay jireen wax yar oo macdanta dhulka ah oo la helay wakhtigaas, kaliya qadar yar oo ah oksaydhyada biyaha aan milmi karin ayaa lagu heli karaa habka kiimikada. Taariikh ahaan, oksaydhyada noocan oo kale ah ayaa caado u ahaa...Sii akhri -
Cunsurka Dhulka Naadirka ah ee Sixirka: Terbium
Terbium waxa ay ka tirsan tahay qaybta dhulalka dhifka ah ee culculus, oo ay ku yar tahay barwaaqada dhulka 1.1 ppm. Terbium oxide waxay ka dhigan tahay in ka yar 0.01% wadarta dhulalka naadir ah. Xataa nooca yttrium ion-ga sare nooca culus ee naadirka dhulka oo leh waxa ugu sarreeya ee terbium, terbium conte...Sii akhri -
Sidee Walxaha Dhulka Naadirka Uga Dhigaan Tignoolajiyada Casriga ah Suuragal
Hawl galka hawada sare ee Frank Herbert ee “Dunes”, walaxda qaaliga ah ee dabiiciga ah ee loo yaqaan “isku darka basbaaska” waxa ay dadka siisaa awood ay ku maraan caalamka ballaadhan si ay u abuuraan ilbaxnimo is dhexgal ah. Nolosha dhabta ah ee dhulka, koox ka mid ah biraha dabiiciga ah ee loo yaqaan 'curre earth elem'.Sii akhri -
Cunsurka Dhulka Naadirka ah ee Sixirka: Cerium
Cerium waa 'walaalka weyn' ee aan laga doodin ee qoyska weyn ee curiyeyaasha dhulka naadir ah. Marka hore, wadarta guud ee dhulalka naadirka ah ee qolofku waa 238ppm, oo cerium ku jirto 68ppm, taas oo ka dhigan 28% wadarta guud ee dhulku naadirka ah iyo darajada kowaad; Marka labaad, cerium waa ea labaad ee naadir ah ...Sii akhri -
Waxyaabaha Dhulka Naadirka ah ee Magical Scandium
Scandium, oo leh calaamada curiyaha Sc iyo lambarka atomiga ee 21, si fudud bay ugu milmi karaan biyaha, waxay la falgali karaan biyaha kulul, waxayna si fudud u madoobanayaan hawada. Qiimaha ugu weyni waa +3. Waxaa inta badan lagu daraa gadolinium, erbium, iyo walxo kale, oo leh wax-soosaar hooseeya iyo ka kooban qiyaastii 0.0005% ee c...Sii akhri -
Curiyaha dhulka naadirka ah ee sixirka europium
Europium, calaamaddu waa Eu, lambarka Atomkuna waa 63. Xubinta caadiga ah ee Lanthanide, europium caadi ahaan waxay leedahay+3 valence, laakiin ogsijiinta+2 valence sidoo kale waa caadi. Waxaa jira xeryo yar oo europium ah oo leh xaalad valence ah +2. Marka la barbardhigo biraha kale ee culus, europium ma laha bayooloji muhiim ah ...Sii akhri -
Curiyaha Dhulka Naadirka ah ee Magical: Lutetium
Lutetium waa curiye naadir ah oo dhulka ah oo leh qiime sare, kayd yar, iyo isticmaal xaddidan. Way jilicsan tahay oo ku milmi kartaa asiidhyada, waxayna si tartiib ah uga falcelin kartaa biyo. isotopes-yada si dabiici ah u dhaca waxa ka mid ah 175Lu iyo nolol badhkeed oo ah 2.1 × 10 ^ 10 jir β Emitter 176Lu. Waxaa lagu sameeyay hoos u dhigista Lu...Sii akhri -
Curiyaha Dhulka Naadirka ah ee Magical - Praseodymium
Praseodymium waa curiyaha saddexaad ee ugu badan ee lanthanide ee miiska xilliyeedka ee canaasiirta kiimikada, oo leh tiro badan oo ah 9.5 ppm qolofka, oo kaliya ka hooseeya cerium, yttrium, lanthanum, iyo scandium. Waa curiyaha shanaad ee ugu badan ee dhulalka naadir ah. Laakiin sida magaciisa oo kale, praseodymium waa...Sii akhri -
Barium ee Bolognite
arium, element 56 ee miiska xilliyeedka. Barium hydroxide, barium chloride, barium sulfate… waa reagents aad ugu badan buugaagta dugsiga sare. Sanadkii 1602, alchemists reer galbeedku waxay heleen dhagaxa Bologna (sidoo kale loo yaqaan "dhagaxa qoraxda") oo soo saari kara iftiin. Macdanta noocaan ah waxay leedahay buro yar...Sii akhri -
Codsiga Walxaha Dunida Naadirka ah ee Walxaha Nukliyeerka
1. Qeexida Walxaha Nukliyeerka Marka la eego macnaha guud, walxaha nukliyeerka waa ereyga guud ee walxaha loo isticmaalo si gaar ah warshadaha nukliyeerka iyo cilmi-baarista sayniska nukliyeerka, oo ay ku jiraan shidaalka nukliyeerka iyo qalabka injineernimada nukliyeerka, ie walxaha shidaalka nukliyeerka. Inta badan loo tixraaco nu...Sii akhri -
Rajada laga qabo Suuqa Magnet-ka Dunida Naadirka ah: Marka la gaaro 2040, baahida loo qabo REO waxay kori doontaa shan laab, oo dhaafi doonta sahayda
Marka loo eego warbaahinta ajnabiga ah magnetsmag - Adamas Intelligence, warbixintii ugu dambeysay ee sanadlaha ah "2040 Rare Earth Magnet Market Outlook" ayaa la sii daayay. Warbixintani waxay si guud oo qoto dheer u sahamisay suuqa caalamiga ah ee neodymium iron boron magnets iyo dhulkooda naadirka ah ee el...Sii akhri