2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lutetium yog cov khoom siv tshuaj nrog lub cim Lu thiab tus lej atomic 71. Nws yog cov hlau dawb silvery, uas tiv taus corrosion hauv huab cua qhuav, tab sis tsis nyob hauv huab cua ntub. Lutetium yog lub caij kawg hauv lanthanide series, thiab nws yog ib txwm suav nrog cov ntiaj teb tsawg.
Leej twg nrhiav tau lub lutetium?
Lutetium yog qhov kawg lanthanide uas tau muab cais tawm hauv xyoo 1907; thiab tau tshawb pom ib txhij los ntawm peb tus kws tshuaj ua haujlwm hauv ntau qhov chaw ntawm lub ntiaj teb. Lawv yog Austrian Carl Auer von Welsbach, Asmeskas Charles James, thiab Georges Urbain los ntawm Fabkis.
Lub hauv paus chiv keeb ntawm lub ntsiab lus lutetium yog dab tsi?
Lutetium yog tshawb pom hauv 1907-08 los ntawm Austrian chemist Carl Auer von Welsbach thiab Georges Urbain, ua haujlwm ntawm nws tus kheej. Urbain muab lub npe rau lub caij los ntawm Lutetia, lub npe Roman thaum ub rau Paris, kom hwm nws lub nroog. … Lutetium kuj pom muaj nyob rau hauv cov khoom ntawm nuclear fission.
Ntau npaum li cas yog lub ntsiab lus lutetium?
Lutetium tam sim no nyob rau hauv monazite mus txog qhov kwv yees 0.003 feem pua, uas yog qhov chaw lag luam, thiab tshwm sim tsawg heev nyob rau hauv yuav luag tag nrho cov minerals uas muaj yttrium.
Puas tib neeg lub cev siv lutetium?
Lutetium tsis muaj lub luag haujlwm lom neegtab sis tau hais tias txhawb cov metabolism.
Pom zoo:
Lub ntsiab lus ntawm qhov nrhiav tau tshiab yog dab tsi?
Cov Neeg Kawm Lus Askiv Cov Lus Txhais ntawm qhov nrhiav tau tshiab: nyuam qhuav pom, nrhiav tau, lossis ua tiav: nrhiav tshiab lossis tau txais. Saib tag nrho cov ntsiab lus rau nrhiav tau nyob rau hauv phau ntawv txhais lus Askiv Learners Dictionary.
Ntawm yog lub ntsiab lus ntawm lub ntsiab lus ntawm lo lus devout?
nature. Dab tsi yog qhov denotative lub ntsiab lus ntawm lo lus devout? denotative lub ntsiab lus: Ib yam dab tsi kos npe los yog xa mus rau; ib lub ntsiab lus ntawm lub cim. teb: pious. Vim li cas Chaucer sau Lub Canterbury Tales hauv lus?
Qhov twg yog lub ntsiab lus ze tshaj plaws rau lo lus uas tau tsav?
synonyms rau tsav directed. forced. induced. moivated. obsessed. muaj. ambitious. compulsive. Qhov twg yog lo lus ze tshaj rau lo lus tshwj xeeb? synonyms rau tshwj xeeb meej. yog lawm. definitely. tshwj xeeb.
Thaum twg yog lub ntsiab lus hloov pauv los ua kev sib txuas lus zoo?
Kev txhais: Kev sib txawv ntawm ib tus neeg hauv kev sib tham (tus hloov pauv) tswj kom hloov pauv cov lus sib tham mus rau lwm qhov, cuam tshuam tab sis txawv lub ntsiab lus, yam tsis tau tshaj tawm meej. kev hloov ntawm kev kawm lossis mus txog txhua yam kev pom zoo ntawm qhov kev hloov pauv yog qhov tsim nyog.
Puas nrhiav tau lossis nrhiav tau?
Yog li, koj yuav tsum tau siv "could find". Lub modal verb, tau yog twb nyob rau hauv nws paste-form: ua. Yog li koj tsis tas yuav hloov pauv los nrhiav. Yuav nrhiav tau lossis nrhiav tau? "Ntaus" yog sib npaug. "
