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Doorka Walxaha Dunida Naadirka ah ee Kataliyatada
Nus-qarnigii la soo dhaafay, cilmi-baaris ballaaran ayaa lagu sameeyay saameynta curiyeyaasha naadirka ah (gaar ahaan oxides iyo chlorides), waxaana la helay natiijooyin joogto ah, kuwaas oo lagu soo koobi karo sida soo socota: , 4f electrons waa meesha...Sii akhri -
Alaabta kataliska dhulka naadir
Erayga 'catalyst' ayaa la isticmaalayey ilaa horraantii qarnigii 19-aad, laakiin waxaa si weyn loo yaqaanay ku dhawaad 30 sano, qiyaastii ilaa 1970-meeyadii markii wasakhowga hawada iyo arrimo kale ay noqdeen dhibaato. Intaa ka hor, waxay door muhiim ah ka ciyaartay qoto dheer ee dhirta kiimikaad ee dadku...Sii akhri -
Isbeddelka qiimaha naadirka ah ee dhulka Oktoobar, 10, 2023
Magaca badeecada Qiimaha Sare iyo hoos u dhaca birta Lanthanum (yuan/ton) 25000-27000 - Biraha Cerium (yuan/ton) 24000-25000 - Biraha Neodymium (yuan/ton) 645000 ~ 655000 - Biraha Dysprosium (yuan / kg) 3450 Birta Terbium (yuan / kg) 10700 ~ 10800 - Praseodymium neodymium birta/Pr-Nd birta (yua...Sii akhri -
Sebtembar 2023 Suuqa Naadirka ah ee Dhulka Warbixinta Billaha ah: Kobaca Dalabka iyo Horumarka Deggan ee Qiimaha Dhulka Naadirka ah ee Sebtember
"Suuqa ayaa asal ahaan xasiloon bishii Sebtembar, dalabaadka ganacsiga ee hoosena wuu soo fiicnaaday marka la barbardhigo Agoosto. Bandhiga Dayrta Dhexe iyo Maalinta Qaranka ayaa soo dhow, shirkadaha boron neodymium ee boron-ka ayaa si firfircoon u kaydinaya. Su'aalaha suuqa ayaa kordhay, jawiga ganacsiguna waa ... .Sii akhri -
Isbeddelka qiimaha naadirka ah ee dhulka Oktoobar, 9, 2023
Magaca badeecada Qiimaha Sare iyo hoos u dhaca birta Lanthanum (yuan/ton) 25000-27000 - Biraha Cerium (yuan/ton) 24000-25000 - Biraha Neodymium (yuan/ton) 645000 ~ 655000 +12500 Dysprosium ~ birta (yuan/Kg) 53000 + 25 birta terbium (yuan /Kg) 10700~10800 +150 Praseodymium neodymium metal/Pr-Nd...Sii akhri -
Sebtembar 28-keeda, 2023, isbeddelka qiimaha dhulalka dhifka ah.
Magaca badeecada qiimaha sare iyo hoos u dhaca birta Lanthanum (yuan/ton) 25000-27000 - Biraha Cerium (yuan/ton) 24000-25000 - Biraha Neodymium (yuan/ton) 635000 ~ 640000 - Biraha Dysprosium (yuan / kg) 35000 Birta Terbium (yuan / kg) 10500 ~ 10700 - Praseodymium neody...Sii akhri -
Biraha dhulka naadirka ah iyo alloys
Biraha dhulka naadirka ah waa alaabta ceeriin ee muhiimka ah ee soo saarista alaabta kaydinta hydrogen, NdFeB qalabka magnet joogto ah, qalabka magnetostrictive, iwm sidoo kale si ballaaran loo isticmaalo biraha non-ferrous iyo warshadaha birta. Laakiin dhaqdhaqaaqeeda birta ah aad buu u xoog badan yahay, wayna adagtahay in la soo saaro i...Sii akhri -
Keydka caalamiga ah ee hafnium birta ah oo xaddidan, oo leh codsiyo kala duwan oo xagga hoose ah
Hafnium waxay samayn kartaa daawaha leh biraha kale, wakiilka ugu badan kaas oo ah hafnium tantalum alloy, sida pentacarbide tetratantalum iyo hafnium (Ta4HfC5), kaas oo leh barta dhalaalaysa sare. Meesha dhalaalaysa ee pentacarbide tetratantalum iyo hafnium waxay gaari kartaa 4215 ℃, taasoo ka dhigaysa midda haddaSii akhri -
Isbeddelka qiimaha dhulka naadirka ah Sebtember 27, 2023
Magaca badeecada Qiimaha kor iyo hoosba Birta Lanthanum (yuan/ton) 25000-27000 - Biraha Cerium (yuan/ton) 24000-25000 - Biraha Neodymium (yuan/ton) 635000 ~ 640000 - Biraha Dysprosium (yuan/kg) 35000 Birta Terbium (yuan/kg) 10500 ~ 10700 - Praseodymium neodymium ...Sii akhri -
Sebtembar 26-keeda, 2023, isbeddelka qiimaha dhulalka naadirka ah.
Magaca badeecada Qiimaha Hghs iyo hoos u dhiga birta Lanthanum (yuan/ton) 25000-27000 - Biraha Cerium (yuan/ton) 24000-25000 - Biraha Neodymium(yuan/ton) 635000 ~ 640000 - Biraha Dysprosium ~ (yuan / kg) 35000 Birta Terbium (yuan/Kg) 10500 ~ 10700 - Pr-Nd birta (yuan/to...Sii akhri -
Alaabooyinka taxanaha Hafnium
Alaabooyinka iyo codsiyada taxanaha Hafnium ========================================= =========================================== ================= Khayraadka Hafnium Hafnium kobcinta vHafnium dhexdhexaadiyaha alaabta Hafnium ...Sii akhri -
Qodobka 72: Hafnium
Hafnium, birta Hf, lambarka atomiga 72, atomigga miisaanka 178.49, waa bir kala beddelka cawlan oo dhalaalaya. Hafnium waxay leedahay lix isotopes oo dabiici ah oo deggan: hafnium 174, 176, 177, 178, 179, iyo 180Sii akhri