Xov xwm
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Nyob rau hauv-tob txhais ntawm peb tiam semiconductor - silicon carbide
Taw qhia rau silicon carbide Silicon carbide (SiC) yog ib qho khoom siv semiconductor uas muaj cov pa roj carbon thiab silicon, uas yog ib qho ntawm cov khoom siv zoo tshaj plaws rau kev ua kom kub, siab zaus, siab zog thiab siab voltage. Piv nrog cov tsoos ...Nyeem ntxiv -
Sapphire muab kev nkag siab ntawm chav kawm uas tsis poob qab
1: Sapphire muab rau koj paub txog cov chav kawm uas tsis poob qab Sapphire thiab ruby yog tib yam "corundum" thiab tau ua lub luag haujlwm tseem ceeb hauv ntau haiv neeg thoob ntiaj teb txij li thaum ub. Raws li lub cim ntawm kev ncaj ncees, kev txawj ntse, kev mob siab thiab kev zoo, sapp ...Nyeem ntxiv -
Yuav ua li cas txheeb xyuas ntsuab sapphire thiab emerald?
Emerald Green sapphire thiab emerald, lawv yog tib lub pob zeb muaj txiaj ntsig, tab sis cov yam ntxwv ntawm emerald yog qhov pom tseeb dhau los, ntau cov kab nrib pleb, cov qauv sab hauv yog complex, thiab xim yog ci dua ntsuab sapphire. Cov xim sapphires txawv ntawm sapphires nyob rau hauv uas lawv cov khoom ...Nyeem ntxiv -
Yuav ua li cas txheeb xyuas daj sapphire thiab daj pob zeb diamond?
Daj pob zeb diamond tsuas yog ib qho uas yuav tsum paub qhov txawv ntawm daj thiab xiav jewels ntawm daj pob zeb diamond: xim hluav taws. Nyob rau hauv lub teeb qhov chaw tig ntawm lub pob zeb diamond, cov xim hluav taws yog muaj zog daj pob zeb diamond, daj xiav cov khoom muaj nqis txawm tias xim zoo nkauj, tab sis ib zaug hluav taws xim, ntsib pob zeb diamond ...Nyeem ntxiv -
Yuav ua li cas txheeb xyuas ntshav sapphire thiab amethyst?
De Grisogono amethyst nplhaib Lub pov haum-qib amethyst tseem zoo kawg nkaus, tab sis thaum koj ntsib tib lub sapphire ntshav, koj yuav tsum tau hneev koj lub taub hau. Yog tias koj saib hauv lub pob zeb nrog lub iav loj, koj yuav pom tias lub ntuj amethyst yuav pom cov xim ntawm cov xim, thaum lub paj liab liab tsis muaj ...Nyeem ntxiv -
Yuav ua li cas txheeb xyuas liab sapphire thiab liab spinel?
Tiffany & Co. Pink spinel nplhaib hauv platinum Pink spinel feem ntau yuam kev rau cov khoom muaj nqis liab liab, qhov sib txawv loj tshaj ntawm ob yog ntau xim. Paj yeeb sapphires (corundum) yog dichroic, nrog lub spectroscope los ntawm ntau txoj hauj lwm ntawm lub pov haum yuav qhia txawv ntxoov liab, thiab spinel ...Nyeem ntxiv -
Kev tshawb fawb | xim sapphire: feem ntau nyob rau hauv "lub ntsej muag" yog enduring
Yog tias kev nkag siab ntawm sapphire tsis tob heev, ntau tus neeg yuav xav tias sapphire yuav yog pob zeb xiav xwb. Yog li tom qab pom lub npe ntawm "xim sapphire", koj yuav xav tsis thoob, yuav ua li cas sapphire xim? Txawm li cas los xij, kuv ntseeg tias feem ntau cov neeg nyiam lub pov haum paub tias sapphire yog ge ...Nyeem ntxiv -
23 Qhov Zoo Tshaj Sapphire Kev Sib Koom Rings
Yog tias koj yog hom nkauj nyab tab tom nrhiav ua txhaum kev lig kev cai nrog koj lub nplhaib sib koom tes, lub nplhaib sib koom tes sapphire yog ib txoj hauv kev zoo kawg nkaus ua li ntawd. Nrov nrov los ntawm Ntxhais fuabtais Diana hauv xyoo 1981, thiab tam sim no Kate Middleton (uas hnav lub nplhaib ua koob tsheej lig), sapphires yog qhov kev xaiv zoo rau cov hniav nyiaj hniav kub. ...Nyeem ntxiv -
Sapphire: Lub Cuaj Hli Ntuj yug los ntawm ntau xim
Lub Cuaj Hli Ntuj Hnub yug Lub Cuaj Hli Ntuj yug, lub sapphire, yog ib tug txheeb ze ntawm lub Xya hli ntuj lub birthstone, lub ruby. Ob leeg yog cov ntaub ntawv ntawm cov ntxhia corundum, ib daim ntawv crystalline ntawm txhuas oxide. Tab sis liab corundum yog ruby. Thiab tag nrho lwm lub pov haum zoo ntawm corundum yog sapphires. Tag nrho cov corundum, suav nrog sapp ...Nyeem ntxiv -
Ntau pob zeb diamond vs gemstone polychromy! Kuv ruby tig txiv kab ntxwv thaum saib ntsug?
Nws kim dhau los yuav ib lub pov haum! Kuv puas tuaj yeem yuav ob lossis peb qhov sib txawv xim gemstones rau tus nqi ntawm ib? Cov lus teb yog yog tias koj nyiam lub pov haum yog polychromatic - lawv tuaj yeem qhia koj cov xim sib txawv ntawm cov ces kaum sib txawv! Yog li dab tsi yog polychromy? Ua polychromatic gemstones txhais tau tias ...Nyeem ntxiv -
Femtosecond titanium gemstone lasers muaj cov ntsiab lus tseem ceeb ntawm kev ua haujlwm
Femtosecond laser yog lub laser uas ua haujlwm hauv pulses nrog lub sijhawm luv luv (10-15s) thiab lub zog siab. Nws tsis tsuas yog ua kom peb tau txais kev daws teeb meem ultra-short lub sijhawm tab sis kuj, vim nws lub zog siab tshaj plaws, nws tau tsim muaj ntau yam kev lag luam. Lub femtosecond titanium...Nyeem ntxiv -
Lub hnub qub nce siab ntawm peb tiam semiconductor: Gallium nitride ob peb qhov kev loj hlob tshiab yav tom ntej
Piv nrog rau cov khoom siv silicon carbide, cov khoom siv hluav taws xob gallium nitride yuav muaj qhov zoo dua hauv cov xwm txheej uas qhov ua tau zoo, zaus, ntim thiab lwm yam yuav tsum tau ua nyob rau tib lub sijhawm, xws li gallium nitride raws li cov khoom siv tau ua tiav app ...Nyeem ntxiv