Los ntawm 1960s tus nqi ntawm radium siv hauv kev saib xyuas yog kwv yees li ib puas pua tus nqi siv thaum xyoo 1900s; hauv 1968 nws tau txwv tag nrho. Lwm cov khoom siv hluav taws xob, tritium, tau sawv los ua tus ua tiav.
Kuv tuaj yeem qhia tau li cas yog tias kuv lub moos muaj radium?
Yog tias nws muaj cov cim luminous, thiab ua ntej xyoo 1960, ces lub moos feem ntau yuav muaj radium. Tom qab xyoo 1998, cov watches yuav muaj Swiss lossis Swiss Made ntawm lub xov tooj, txawm li cas los xij los ntawm lub sijhawm no LumiNova tau siv los hloov radium. T: qhia tias tritium tau siv, tsis yog radium.
Puas watches tseem muaj radium?
Radium yog cov xov tooj cua heev. Nws emits alpha, beta, thiab gamma tawg. Yog tias nws nqus tau los yog nqos, radium yog qhov txaus ntshai vim tias tsis muaj kev tiv thaiv hauv lub cev. … Los ntawm xyoo 1970, radium tsis tau siv rau ntawm lub moos thiab moos hu lawm.
Kuv tuaj yeem qhia tau tias kuv lub sijhawm Timex muaj pes tsawg xyoo?
Timex tsis tau siv cov lej cim ntawm lawv cov vintage watches tab sis muaj txoj hauv kev los hnub tim Timex saib. Los ntawm 1963 mus rau ib txoj hlua ntawm tus lej yuav pom nyob rau hauv qab ntawm lub xov tooj ntawm cov neeg kho tshuab watches,kawg ob tus lej xa ncaj qha mus rau 2 tus lej kawg ntawm hnub, tsis tas yuav tsum tau txiav txim siab.
Puas radium watches puas txaus ntshai?
Kev nyab xeeb. Txawm hais tiasqub radium dials yuav tsis tsim lub teeb, qhov no feem ntau yog vim qhov tawg ntawm cov qauv siv lead ua ntawm zinc sulfide es tsis yog cov hluav taws xob tawg ntawm cov radium,uas muaj ib nrab-lub neej txog 1600 xyoo, yog li txawm tias qub radium dials tseem nyob radioactive.
