Ib pab neeg tshawb fawb los ntawm Curtin University, University of Western Australia, thiab Tuam Tshoj University of Geoscience tau tshawb pom tias cov kub me me tuaj yeem raug daig.hauv pyrite, ua 'fool's gold' ntau nqi tshaj nws lub npe qhia.
Hauvib daim ntawvluam tawm nyob rau hauv phau ntawv journalGeology,cov kws tshawb fawb nthuav tawm qhov kev soj ntsuam tob tob kom nkag siab zoo dua qhov chaw mineralogical ntawm cov khoom kub hauv pyrite.Qhov kev tshuaj xyuas no - lawv ntseeg - tuaj yeem ua rau muaj txiaj ntsig zoo rau ib puag ncig kev rho tawm ntau dua.
Raws li pab pawg, hom tshiab ntawm 'tsis pom' kub no tsis tau lees paub yav dhau los thiab tsuas yog pom tau siv cov cuab yeej tshawb fawb hu ua atom sojntsuam.
Yav tas los kub extractors muaj peev xwm nrhiav tau kub nyob rau hauvpyritexws li nanoparticles los yog raws li ib tug pyrite-kub alloy, tab sis qhov peb tau pom yog tias kub kuj tuaj yeem tuav hauv nanoscale siv lead ua tsis xws luag, sawv cev rau hom tshiab 'tsis pom' kub, "tus thawj coj tshawb fawb Denis Fougerouse tau hais hauv xov xwm tshaj tawm.
Raws li Fougerouse, qhov ntau deformed lub siv lead ua yog, ntau kub muaj xauv rau hauv qhov tsis xws luag.
Tus kws tshawb fawb tau piav qhia tias cov kub tau tuav hauv qhov tsis xws li nanoscale hu ua dislocations - ib puas txhiab zaus me dua li qhov dav ntawm tib neeg cov plaub hau - thiab qhov no yog vim li cas nws tsuas yog pom tau siv atom soj ntsuam tomography.
Tom qab lawv tshawb pom, Fougerouse thiab nws cov npoj yaig tau txiav txim siab los nrhiav cov txheej txheem uas tso cai rau lawv rho tawm cov hlau muaj txiaj ntsig siv lub zog tsawg dua li cov txheej txheem oxidizing ib txwm muaj.
Kev xaiv leaching, uas yog siv cov kua dej los xaiv yaj cov kub los ntawm cov pyrite, zoo li qhov kev xaiv zoo tshaj plaws.
"Tsis yog tsuas yog ua rau cov dislocations ntxiab kub xwb, tab sis lawv kuj coj raws li txoj hauv kev uas ua rau cov kub 'leached' yam tsis muaj kev cuam tshuam rau tag nrho cov pyrite," tus kws tshawb fawb tau hais.
Post lub sij hawm: Jun-29-2021