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Cunsurka 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 ugu badan dhulka 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 galbeedka ayaa helay dhagaxa Bologna (sidoo kale loo yaqaan "dhagaxa qoraxda") kaas oo soo saari kara iftiin. Macdanta noocaan ah waxay leedahay buro yar...Sii akhri -
Waa maxay Cerium Oxide?
Cerium oxide waa walax aanorganic ah oo leh qaacidada kiimikaad ee CeO2, budo caawiye ah oo huruud ah ama huruud ah. Cufnaanta 7.13g/cm3, barta dhalaalka 2397°C, aan lagu milmi karin biyaha iyo alkali, wax yar ku milmay aashitada. Heerkulka 2000°C iyo cadaadiska 15MPa, hydrogen waxa loo isticmaali karaa in dib loo...Sii akhri -
Codsiga nano cerium oxide ee polymer
Nano-ceria waxay hagaajisaa iska caabbinta ultraviolet gabow ee polymer. Qaab dhismeedka elektaroonigga ah ee 4f ee nano-CeO2 aad ayuu ugu nugul yahay nuugista iftiinka, qaybta nuugista waxay inta badan ku jirtaa gobolka ultraviolet (200-400nm), taas oo aan lahayn nuugista sifada iftiinka muuqda iyo gudbinta wanaagsan. Ord...Sii akhri -
Codsiga budada scandium oxide Sc2O3
Codsiga scandium oxide Qaabka kiimikaad ee scandium oxide waa Sc2O3. Guryaha: Cadaan adag. Iyada oo qaab-dhismeedka cubic ee sesquioxide dhulka naadir ah. Cufnaanta 3.864. Barta dhalaalka 2403℃ 20℃. Biyo aan ku milmin, ku milmay aashitada kulul. Waxaa lagu diyaariyaa kuleylka kuleylka ee milixda scandium. Waxay noqon kartaa...Sii akhri