Xov xwm
-
Sapphire muab rau koj qhov kev xav ntawm chav kawm uas yeej tsis poob qab
1: Sapphire muab rau koj qhov kev xav ntawm chav kawm uas yeej tsis poob qis 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 los. Raws li lub cim ntawm kev ncaj ncees, kev txawj ntse, kev mob siab rau thiab kev zoo siab, sapphire ...Nyeem ntxiv -
Yuav ua li cas thiaj paub qhov txawv ntawm ntsuab sapphire thiab emerald?
Pob zeb sapphire ntsuab thiab pob zeb emerald, lawv yog cov pob zeb zoo ib yam, tab sis cov yam ntxwv ntawm pob zeb emerald pom tseeb dhau, muaj ntau qhov tawg ntuj, cov qauv sab hauv yog qhov nyuaj, thiab xim ci dua li pob zeb sapphire ntsuab. Pob zeb sapphire xim txawv ntawm pob zeb sapphire vim tias lawv cov khoom tsim tawm ...Nyeem ntxiv -
Yuav ua li cas thiaj paub qhov txawv ntawm sapphire daj thiab pob zeb diamond daj?
Pob zeb diamond daj Muaj ib yam uas qhia qhov txawv ntawm cov pob zeb diamond daj thiab xiav: xim hluav taws. Thaum lub teeb tig ntawm lub pob zeb diamond, xim hluav taws yog xim daj muaj zog, daj xiav txawm hais tias xim zoo nkauj, tab sis thaum xim hluav taws, ntsib pob zeb diamond ...Nyeem ntxiv -
Yuav ua li cas thiaj paub qhov txawv ntawm sapphire thiab amethyst?
De Grisogono amethyst nplhaib Gem-grade amethyst tseem zoo kawg nkaus, tab sis thaum koj ntsib tib lub sapphire xim av, koj yuav tsum khoov koj lub taub hau. Yog tias koj saib sab hauv lub pob zeb nrog lub iav loj, koj yuav pom tias lub amethyst ntuj yuav qhia ib daim kab xev xim, thaum lub sapphire xim av tsis...Nyeem ntxiv -
Yuav ua li cas thiaj paub qhov txawv ntawm cov pob zeb sapphire liab thiab cov pob zeb spinel liab?
Tiffany& Co. Nplhaib liab dawb spinel hauv platinum Pink spinel feem ntau raug yuam kev rau cov khoom muaj nqis xiav liab, qhov sib txawv loj tshaj plaws ntawm ob qho yog ntau xim. Pink sapphires (corundum) yog dichroic, nrog lub spectroscope los ntawm ntau qhov chaw ntawm lub pov haum yuav qhia cov xim sib txawv ntawm liab dawb, thiab spinel ...Nyeem ntxiv -
Kev Tshawb Fawb | xim sapphire: feem ntau hauv "lub ntsej muag" yog qhov ruaj khov
Yog tias kev nkag siab txog sapphire tsis tob dhau, ntau tus neeg yuav xav tias sapphire tsuas yog pob zeb xiav xwb. Yog li tom qab pom lub npe ntawm "sapphire xim", koj yuav xav tsis thoob tias, sapphire tuaj yeem muaj xim li cas? Txawm li cas los xij, kuv ntseeg tias feem ntau cov neeg nyiam pob zeb paub tias sapphire yog ib qho ge...Nyeem ntxiv -
23 Lub Nplhaib Sib Koom Tes Zoo Tshaj Plaws Sapphire
Yog tias koj yog hom nkauj nyab uas tab tom nrhiav kev hloov pauv kev lig kev cai nrog koj lub nplhaib sib yuav, lub nplhaib sib yuav sapphire yog ib txoj hauv kev zoo kawg nkaus los ua li ntawd. Nrov los ntawm Princess Diana hauv xyoo 1981, thiab tam sim no Kate Middleton (uas hnav lub nplhaib sib yuav ntawm tus ntxhais fuabtais uas tuag lawm), sapphires yog kev xaiv zoo nkauj rau cov hniav nyiaj hniav kub. ...Nyeem ntxiv -
Sapphire: Lub Cuaj Hli yug pob zeb muaj ntau xim
Lub pob zeb yug lub Cuaj Hli Lub pob zeb yug lub Cuaj Hli, lub pob zeb sapphire, yog ib qho txheeb ze ntawm lub pob zeb yug lub Xya Hli, lub pob zeb ruby. Ob qho tib si yog cov pob zeb corundum, ib daim ntawv crystalline ntawm aluminium oxide. Tab sis corundum liab yog ruby. Thiab txhua yam pob zeb zoo li corundum yog sapphires. Txhua lub corundum, suav nrog sapphires...Nyeem ntxiv -
Cov pob zeb diamond ntau xim vs cov pob zeb diamond polychromy! Kuv lub pob zeb ruby tig txiv kab ntxwv thaum saib ntsug?
Nws kim heev rau kev yuav ib lub pob zeb diamond! Kuv puas tuaj yeem yuav ob lossis peb lub pob zeb diamond sib txawv rau tus nqi ntawm ib lub? Cov lus teb yog tias koj lub pob zeb diamond nyiam yog polychromatic - lawv tuaj yeem qhia koj cov xim sib txawv ntawm cov ces kaum sib txawv! Yog li polychromy yog dab tsi? Cov pob zeb diamond polychromatic puas txhais tau tias...Nyeem ntxiv -
Femtosecond titanium gemstone lasers muaj cov ntsiab cai ua haujlwm tseem ceeb
Femtosecond laser yog ib lub laser uas ua haujlwm hauv cov pulses nrog lub sijhawm luv luv heev (10-15 vib nas this) thiab lub zog siab tshaj plaws. Nws tsis tsuas yog ua rau peb tau txais kev daws teeb meem luv luv xwb tab sis kuj, vim nws lub zog siab tshaj plaws, nws tau tsim kho zoo heev hauv ntau qhov chaw ntawm kev lag luam. Lub femtosecond titanium ...Nyeem ntxiv -
Lub hnub qub nce siab ntawm tiam neeg thib peb semiconductor: Gallium nitride ntau qhov kev loj hlob tshiab yav tom ntej
Piv nrog rau cov khoom siv silicon carbide, cov khoom siv fais fab gallium nitride yuav muaj ntau qhov zoo dua hauv cov xwm txheej uas xav tau kev ua haujlwm zoo, zaus, ntim thiab lwm yam kev ua tiav tib lub sijhawm, xws li cov khoom siv gallium nitride raws li tau ua tiav app ...Nyeem ntxiv -
Kev txhim kho ntawm kev lag luam GaN hauv tsev tau raug ua kom nrawm dua
Kev siv cov khoom siv hluav taws xob Gallium nitride (GaN) tab tom loj hlob sai heev, coj los ntawm cov neeg muag khoom siv hluav taws xob hauv Suav teb, thiab kev ua lag luam rau cov khoom siv hluav taws xob GaN yuav nce mus txog $ 2 billion los ntawm 2027, nce los ntawm $ 126 lab hauv 2021. Tam sim no, cov khoom siv hluav taws xob rau cov neeg siv khoom yog tus tsav tsheb tseem ceeb ntawm gallium ni...Nyeem ntxiv