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Curiyaha dhulka naadir | gadolinium (Gd)
Sannadkii 1880-kii, G.de Marignac oo u dhashay dalka Switzerland waxa uu “samarium” u kala saaray laba walxood oo mid ka mid ah ay xaqiijisay Solit in uu yahay samarium halka qaybta kalena ay xaqiijisay cilmi-baadhistii Bois Baudelaire. Sanadkii 1886, Marignac wuxuu u magacaabay qaybtan cusub gadolinium si loogu sharfo farmashiyaha Dutch Ga-do Linium, kaasoo ...Sii akhri -
Qaybaha Dhulka Naadirka ah | Yuu
Sanadkii 1901, Eugene Antole Demarcay wuxuu ka helay walxo cusub "samarium" wuxuuna u magacaabay Europium. Tani waxay u badan tahay in loogu magac daray ereyga Yurub. Inta badan oxide europium waxaa loo isticmaalaa budada fluorescent. Eu3+ waxa loo istcimaalaa hawl wadeen ahaan fosfoorrada cas, Eu2+na waxaa loo isticmaalaa fosfoorrada buluugga ah. Hadda,...Sii akhri -
Curiyaha dhulka naadir | Samarium (Sm)
Curiyaha dhulka naadir | Samarium (Sm) Sannadkii 1879-kii, Boysbaudley waxay heshay curiye cusub oo naadir ah oo ku jira "praseodymium neodymium" oo laga helay niobium yttrium ore, wuxuuna u magacaabay samarium sida waafaqsan magaca macdantan. Samarium waa midab huruud ah oo khafiif ah waana alaabta ceeriin ee lagu sameeyo Samari...Sii akhri -
Curiyaha dhulka naadir | Lanthanum (La)
Cunsurka 'lanthanum' waxaa la magacaabay 1839-kii markii nin Iswiidhish ah oo la odhan jiray 'Mossander' uu ka helay waxyaabo kale oo ciidda magaalada ah. Waxa uu soo amaahday ereyga Giriigga ah ee 'qarsoon' si uu ugu magacaabo curiyahan 'lanthanum'. Lanthanum waxaa si weyn loo isticmaalaa, sida qalabka piezoelectric, qalabka korantada, thermoelec ...Sii akhri -
Curiyaha dhulka naadir | Neodymium (Nd)
Curiyaha dhulka naadir | Neodymium (Nd) Markii uu dhashay curiyaha praseodymium, curiyaha neodymium ayaa sidoo kale soo baxay. Imaatinka curiyaha neodymium waxa uu hawl galiyay beerta naadirka ah ee dhulka, waxa ay door muhiim ah ka ciyaartay beerta naadirka ah ee dhulka, waxa ayna xakamaysay suuqa naadirka dhulka. Neodymium wuxuu noqday meel sare oo kulul...Sii akhri -
Curiyaha dhulka naadir | yttrium (Y)
Sannadkii 1788-kii, Karl Arrhenius, oo ahaa sarkaal Iswidhish ah, oo ahaa hiwaayad bartay kimisteriga iyo macdanta iyo ururinta macdanta, ayaa ka helay macdan madow oo muuqaal ah asphalt iyo dhuxusha tuulada Ytterby ee ka baxsan Stockholm Bay, oo loogu magac daray Ytterbit sida magaca deegaanka. Sannadkii 1794-kii, Finnishka ayaa...Sii akhri -
Habka soo saarista dareeraha ee curiyeyaasha dhulka naadir
Habka soo saarista dareeraha ah Habka loo isticmaalo dareeraha organic si loo soo saaro loogana sooco walaxda la soo saaray iyo xal aqueous ah oo aan la dabooli karin waxaa loo yaqaan habka soo saarista dareeraha dareeraha ah ee dareeraha ah, oo loo soo gaabiyo habka soo saarista dareeraha. Waa hannaan wareejin ballaaran oo wareejinta qayb-hoosaadka ...Sii akhri -
Qaybaha Dhulka Naadirka ah | Scandium (Sc)
Sannadkii 1879-kii, macallimiinta kimistariga ee Iswiidhishka LF Nilson (1840-1899) iyo PT Cleve (1840-1905) waxay heleen walxo cusub oo ah macdanta qaaliga ah ee gadolinite iyo macdanta dahabka madow ee dhifka ah isku mar. Waxa ay curiyahan u bixiyeen “Scandium”, kaas oo ahaa curiyaha “boron like” ee uu saadaaliyay Mendeleev. Waxayna...Sii akhri -
Waa maxay gadolinium oxide Gd2O3 maxaase loo isticmaalaa?
Dysprosium oxide Magaca badeecada: Dysprosium oxide formula Molecular: Gd2O3 Miisaanka Molecular: 373.02 daahirnimo:99.5%-99.99% min CAS iyo foosto tolmo ah, bir, warqad, ama foosto caag ah bannaanka Dabeecad: Caddaan ama li...Sii akhri -
Cilmi-baarayaasha SDSU si ay u naqshadeeyaan Bakteeriyada Soo saarta Walxaha Dunida Naadirka ah
source:newscenter Curiyaha dhulka ee Rare (REEs) sida lanthanum iyo neodymium waa qaybaha lagama maarmaanka u ah qalabka elegtarooniga ah ee casriga ah, laga bilaabo telefoonada gacanta iyo muraayadaha qorraxda ilaa satalaytka iyo baabuurta korontada. Birahan culculus waxay ka dhacaan hareerahayaga, inkastoo ay tiro yar yihiin. Laakin baahida ayaa sii kordheysa oo waa...Sii akhri -
Waa maxay Amorphous boron budada,midabka, codsiga?
Hordhaca badeecada Magaca badeecada: Monomer boron, budada boron, curiyaha amorphous boron calaamad calaamad: B Miisaanka atomiga: 10.81 (sida ku cad Miisaanka Atomiga Caalamiga ah ee 1979) Heerka tayada: 95%-99.9% HS code: 28045000 CAS number: 7440-42- 8 budada boron amorphous sidoo kale loo yaqaan amorphous bo...Sii akhri -
Waa maxay tantalum chloride tacl5,midabka, codsiga?
Shangaani Xinglu kiimikaad sahayda sareeysa Purity tantalum chloride tacl5 99.95%, iyo 99.99% Tantalum chloride waa budo cad oo saafi ah oo leh qaacidada kelli TaCl5. Miisaanka molecular 35821, barta dhalaalka 216 ℃, barta karkarinta 239 4 ℃, lagu milmay alkohol, ether, carbon tetrachloride, oo lagaga falceliyay wa...Sii akhri