Iindaba
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Yintoni iwafa yeSiC?
Ii-wafers ze-SiC zi-semiconductors ezenziwe kwi-silicon carbide. Esi sixhobo saphuhliswa kwi-1893 kwaye ifanelekile kwiintlobo ezahlukeneyo zezicelo. Ngokukodwa ezifanelekileyo kwiidiode ze-Schottky, umqobo we-junction Schottky diode, iiswitshi kunye ne-metal-oxide-semiconductor field-effect transis...Funda ngokugqithisileyo -
Ukuchazwa ngokunzulu kwisizukulwana sesithathu semiconductor - i-silicon carbide
Intshayelelo kwi-silicon carbide I-Silicon carbide (i-SiC) yinto edibeneyo ye-semiconductor eyenziwe ngekhabhoni kunye ne-silicon, enye yezinto ezifanelekileyo zokwenza ukushisa okuphezulu, ukuphindaphinda okuphezulu, amandla aphezulu kunye nezixhobo zombane ophezulu. Xa kuthelekiswa nemveli ...Funda ngokugqithisileyo -
ISapphire ikunika ingqiqo yeklasi engasileli ngasemva
I-1:Isafire ikunika ingqiqo yeklasi engazange iwele emva kweSapphire kunye nerubhi ye "corundum" efanayo kwaye idlale indima ebalulekileyo kwiinkcubeko ezahlukeneyo kwihlabathi ukususela kumaxesha amandulo. Njengophawu lokunyaniseka, ubulumko, ukuzinikela kunye nokulunga, i-sapp...Funda ngokugqithisileyo -
Indlela yokuchonga isafire eluhlaza kunye ne-emerald?
I-Emerald Green isafire kunye ne-emerald, zifana namatye anqabileyo, kodwa iimpawu ze-emerald zicace kakhulu, zininzi zokuqhekeka kwendalo, isakhiwo sangaphakathi siyinkimbinkimbi, kwaye umbala ugqamile kunesafire eluhlaza. Iisafire ezinemibala zahlukile kwiisafire kuba imveliso yazo...Funda ngokugqithisileyo -
Indlela yokuchonga isafire ephuzi kunye nedayimane ephuzi?
Idayimani etyheli Kukho into enye kuphela yokwahlula amatye anqabileyo atyheli kunye neblue kwiidayimani ezityheli: umbala womlilo. Kumthombo wokukhanya ojikelezayo welitye elinqabileyo, umbala womlilo yidayimane eyomeleleyo etyheli, ubuncwane obuluhlaza okwesibhakabhaka nangona umbala mhle, kodwa xa umbala womlilo, udibana nedayimane ...Funda ngokugqithisileyo -
Indlela yokuchonga isafire emfusa kunye neamethiste?
De Grisogono amethiste ring Gem-grade amethiste isamangalisa kakhulu, kodwa xa udibana nesafire emfusa efanayo, kufuneka uthobe intloko yakho. Ukuba ujonga ngaphakathi kwelitye ngeglasi yokukhulisa, uya kufumanisa ukuba i-amethiste yendalo iya kubonisa iribhoni yombala, ngelixa isafire emfusa ingenzi...Funda ngokugqithisileyo -
Indlela yokuchonga isafire epinki kunye nepinki spinel?
I-Tiffany & Co. I-Pink spinel ring kwiplatinam I-Pink spinel ihlala iphosakele ngobuncwane obupinki obuzuba, owona mahluko mkhulu phakathi kokubini yi-multicolor. Iisafire ezipinki (i-corundum) ziyi-dichroic, kunye ne-spectroscope evela kwiindawo ezahlukeneyo zegem iya kubonisa izithunzi ezahlukeneyo zepinki, kunye ne-spinel ...Funda ngokugqithisileyo -
Inzululwazi | umbala wesafire: rhoqo ngaphakathi "kobuso" buhlala buhlala
Ukuba ukuqonda kwesafire akunzulu kakhulu, abantu abaninzi baya kucinga ukuba isafire ingaba lilitye eliluhlaza. Ngoko emva kokubona igama elithi "isafire enemibala", ngokuqinisekileyo uya kuzibuza, ingaba isafire ingaba nombala njani? Nangona kunjalo, ndiyakholelwa ukuba uninzi lwabathandi be gem bayazi ukuba isafire lisiko ...Funda ngokugqithisileyo -
Eyona 23 ilungileyo yeSapphire Engagement Rings
Ukuba uluhlobo lomtshakazi ojonge ukwaphula isiko kunye nomsesane wakho wothethathethwano, umsesane wesafire wokuzibandakanya yindlela emangalisayo yokwenza oko. Eyonyuswe nguPrincess Diana ngo-1981, kwaye ngoku uKate Middleton (onxiba umsesane wenkosazana engasekhoyo), iisafire lukhetho olusemthethweni lobucwebe. ...Funda ngokugqithisileyo -
ISapphire: Ilitye lokuzalwa likaSeptemba liza ngemibala emininzi
Ilitye lokuzalwa likaSeptemba Ilitye lokuzalwa likaSeptemba, isafire, sisalamane selitye lokuzalwa likaJulayi, irubhi. Zombini iifom ze-mineral corundum, ifom ye-crystalline ye-aluminium oxide. Kodwa i-corundum ebomvu yiruby. Kwaye zonke ezinye iintlobo ze-gem-quality corundum ziisafire. Yonke i-corundum, kuquka i-sapp...Funda ngokugqithisileyo -
Amatye anqabileyo anemibala emininzi vs gemstone polychromy! Irubhi yam iye yajika yaorenji xa ijongwe ngokuthe nkqo?
Kubiza kakhulu ukuthenga ilitye elinqabileyo elinye! Ndingathenga amatye anqabileyo amabini okanye amathathu anemibala eyahlukeneyo ngexabiso elinye? Impendulo kukuba ilitye olithandayo liyi-polychromatic - banokubonisa imibala eyahlukileyo kwii-engile ezahlukeneyo! Ke yintoni i-polychromy? Ngaba amatye anqabileyo ane-polychromatic athetha...Funda ngokugqithisileyo -
I-laser ye-femtosecond titanium gemstone inemigaqo engundoqo yokusebenza
I-laser ye-Femtosecond yilaser esebenza kwiipulses kunye nexesha elifutshane kakhulu (10-15s) kunye namandla aphezulu aphezulu. Ayisenzeli nje ukuba sifumane isisombululo sexesha elifutshane kakhulu kodwa kwakhona, ngenxa yamandla ayo aphezulu, iphuhliswe kakhulu kwiinkalo ezahlukeneyo zoshishino. I-titanium ye-femtosecond ...Funda ngokugqithisileyo