2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
“Cov no tsis yog rubies tiag tiag; lub sijhawm!” Matlins hais rau NBC Xov Xwm, hu lawv cov neeg dag ntxias. … Nws tau piav ntxiv hais tias cov iav rubies tsis pom nyob hauv lub ntiaj teb, tab sis nws tau ua los ntawm kev sib xyaw ua ke ntawm cov khoom tsis zoo corundum, cov ntxhia muaj nyob hauv ruby, uas yog tom qab ntawd muab cov iav txhuas ntau.
Yog iav puv rubies tsis muaj nqis?
Lead glass-filled rubies, tseem hu ua cov rubies sib xyaw, yog ze li tsis muaj nqis (raws li tau piav qhia hauv kuv tsab ntawv dhau los). Qhov teeb meem yog muaj ntau txhiab tus neeg muag khoom uas yuav sim muag koj cov khoom sib xyaw ruby raws li qhov tiag.
iav puv rubies yog dab tsi?
Kwv yees li 10 xyoo dhau los, rubies nrog txoj kev kho tshiab hu ua "Lead Glass Filling" tuaj rau hauv khw. Qhov kev kho no suav nrog kev noj cov khoom tsis zoo ntawm cov rubies thiab sau cov kab noj hniav thiab cov pob txha tawg hauv lawv nrog cov iav txhuas uas hloov cov pob zeb tsim.
iav puv rubies nqi npaum li cas?
Feem ntau ntawm cov peev txheej kuv tau pom cov ntawv thov cov iav uas muaj rubies raug nqi nruab nrab ntawm $ 10 thiab $ 30 ib carat (cov peev txheej yog gemologists thiab lwm tus kws tshaj lij, tsis yog cov muag ruby sib xyaw). Qhov no yuav zoo li pheej yig heev, tshwj xeeb tshaj yog thaum piv rau ntuj rubies uas ib txwm raug nqi ntau pua txog txhiab daus las ib carat.
Puas rubies muaj nqis?
Txawm hais tias cov rubies hluavtaws no tuaj yeem saib ntxim nyiam, lawvmuaj tus nqi qis heev hauv lub khw, lus ob peb las ib carat.
Pom zoo:
Kuv puas tuaj yeem ua cov txhuas txhuas?
Koj tuaj yeem ua tau siv Aluminium braze kho cov kab nrib pleb, qhov, ntws, rivets, pob ntseg tawg, xov lossis fabricate aluminium, cam khwb cia txhuas, thiab cam khwb cia hlau sai, yooj yim, thiab muaj zog dua tshiab. Nws tsis nyuaj kiag li.
Vim li cas cov roj hluavtaws puv puv?
Vim cov roj hluavtaws zoo dua ntawm koj lub cav thiab muaj cov impurities tsawg dua, nws tuaj yeem mus ntev dua li cov roj sib xyaw lossis cov khoom sib xyaws. … Turbo engines thiab cov tsheb qub tseem yuav tau hloov roj txhua txhua 3,000 txog 5,000 mais.
Lub iav twg yog lub iav tsav thiab qhov twg yog lub iav tsav?
Daim ntawv yooj yim tshaj plaws yog ob lub iav log nrog cov hniav meshing. Nyob rau hauv tag nrho cov gearbox ib lub iav yuav powered. Qhov no hu ua lub iav tsav thiab lwm lub iavyog hu ua lub iav tsav. Lub iav twg yog lub iav tsav? Gear trains with two gears Qhov yooj yim piv txwv ntawm lub tsheb ciav hlau muaj ob lub zog.
Puas iav iav puas muaj txhuas?
Lead tsis yog feem ntau ntxiv rau iav ua cov khoom xyaw, tsuas yog siv lead ua, uas tau qhia meej meej ntawm daim ntawv lo. Txawm li cas los xij, txhuas yog nyob txhua qhov chaw hauv ib puag ncig thiab cov khoom siv raw yuav muaj qee qhov kev kis kab mob.
Rau cov tawv nqaij puv puv?
Cov tawv nqaij puv nkaus txhais tau hais tias cov plaub hau raug tshem tawm thiab qhov zais nkag mus rau hauv cov txheej txheem tanning tam sim ntawd. Vim li cas peb xav tias qhov no yog txoj hauv kev zoo tshaj plaws los siv lub zais? Tag nrho cov roj-absorbing zog thiab cov yam ntxwv qub ntawm cov tawv nqaij nyob twj ywm.
