Lub sij hawm fluorescence yog muab los ntawm lub npe ntawm pob zeb. Nws feem ntau yog qhov tshwm sim ntawm lub cev tshwm sim zoo ua ntej nws muaj npe. Rau fluorescence qhov sib txawv no yuav luag 300 xyoo. Cov xim tsis zoo ntawm cov khoom ntuj tsim nyob rau hauv cov teeb pom kev sib txawv tau sau tseg thaum ntxov li 1565.
Lub ntsiab lus ntawm fluorescence yog dab tsi?
noun Physics, Chemistry. qhov emission ntawm hluav taws xob, tshwj xeeb tshaj yog pom lub teeb, los ntawm ib yam khoom thaum raug rau sab nraud hluav taws xob, raws li lub teeb los yog x-rays. Sib piv phosphorescence (def. 1).
Vim li cas fluorescence luv luv?
Fluorescence txawv ntawm phosphorescence nyob rau hauv qhov hluav taws xob hloov pauv uas yog lub luag haujlwm rau fluorescence tsis hloov hauv electron spin , uas ua rau lub neej luv luv (<10 -5 s) nyob rau hauv lub xeev zoo siab ntawm fluorescence.
What does lo lus fluorescent mean in English?
1: muaj lossis cuam tshuam txog fluorescence. 2: ci ntsa iab thiab ci ntsa iab raws li qhov tshwm sim ntawm fluorescence fluorescent inks dav: ci xim.
Lub hauv paus chiv keeb ntawm fluorescence thiab phosphorescence yog dab tsi?
Fluorescence tshwm sim thaum hluav taws xob tawm los ntawm thawj lub xeev zoo siab S1 uas tau mus txog los ntawm kev nqus ntawm photon yav dhau los. Phosphorescence tshwm sim thaum hluav taws xob tawm ntawm lub xeev triplet T1 tom qab intersystemhla dhau S1.
