Amakuru
-
Nigute ushobora kumenya safiro na amethyst?
De Grisogono amethyst impeta Amethyst yo mu rwego rwa Gem iracyatangaje cyane, ariko iyo uhuye na safiro imwe yumutuku, ugomba kunama umutwe. Iyo urebye imbere yibuye hamwe nikirahure kinini, uzasanga amethyst naturel izerekana lente yamabara, mugihe safiro yumutuku nta ...Soma byinshi -
Nigute ushobora kumenya safiro yijimye na spinel yijimye?
Tiffany & Co Impeta ya spinel muri platine Pink spinel ikunze kwibeshya kubutunzi bwubururu bwijimye, itandukaniro rinini hagati yibi byombi ni amabara menshi. Safiro yijimye (corundum) ni dicroic, hamwe na spekitroscope ivuye mumyanya itandukanye ya mabuye y'agaciro izerekana igicucu gitandukanye cyijimye, na spinel ...Soma byinshi -
Ubumenyi | ibara rya safiro: akenshi muri "isura" irihangana
Niba gusobanukirwa na safiro bitari kure cyane, abantu benshi bazatekereza ko safiro ishobora kuba ibuye ry'ubururu gusa. Noneho nyuma yo kubona izina rya "safiro y'amabara", ntuzabura kwibaza, safiro ishobora gute amabara? Ariko, nizera ko abakunda amabuye y'agaciro benshi bazi ko safiro ari ge ...Soma byinshi -
Impeta 23 nziza ya Safiro
Niba uri ubwoko bwumugeni ushaka guca imigenzo nimpeta yo gusezerana, impeta ya safiro ninzira itangaje yo kubikora. Yamamaye na Princess Diana mu 1981, none Kate Middleton (wambaye impeta yo gusezerana kwa nyakwigendera), safiro ni amahitamo asanzwe yimitako. ...Soma byinshi -
Safiro: Ibuye ryo muri Nzeri riza rifite amabara menshi
Nzeri yavutse Nzeri ibuye ryamavuko Nzeri, safiro, ni mwene wabo wibuye rya Nyakanga, rubavu. Byombi nuburyo bwa minerval corundum, uburyo bwa kristaline ya aluminium oxyde. Ariko corundum itukura ni rubini. Kandi ubundi buryo bwiza bwamabuye y'agaciro ya corundum ni safiro. Corundum yose, harimo sapp ...Soma byinshi -
Amabuye y'agaciro menshi n'amabuye y'agaciro ya polychromy! Ruby yanjye yahindutse orange iyo urebye neza?
Birahenze cyane kugura ibuye rimwe! Nshobora kugura amabuye y'agaciro abiri cyangwa atatu atandukanye kubiciro byimwe? Igisubizo nimba amabuye y'agaciro ukunda ari polychromatique - barashobora kukwereka amabara atandukanye kumpande zitandukanye! Polychromy ni iki? Kora amabuye y'agaciro ya polyikromatike asobanura ...Soma byinshi -
Femtosecond titanium amabuye y'agaciro afite amahame y'ingenzi yo gukora
Lazeri ya Femtosecond ni lazeri ikora muri pulses igihe gito cyane (10-15s) nimbaraga zo hejuru. Ntabwo idushoboza gusa kubona ultra-short time resolution ariko nanone, kubera imbaraga zayo zo hejuru, yateye imbere cyane mubice bitandukanye byinganda. Titanium ya femtosekond ...Soma byinshi -
Inyenyeri izamuka yibisekuru bya gatatu igice cya kabiri: Gallium nitride ingingo nyinshi ziterambere mugihe kizaza
Ugereranije nibikoresho bya karibide ya silicon, ibikoresho bya ingufu za gallium nitride bizagira inyungu nyinshi mugihe ibintu bisabwa icyarimwe, inshuro, ingano nibindi bintu byose bisabwa icyarimwe, nkibikoresho bya gallium nitride byakoreshejwe neza ...Soma byinshi -
Iterambere ryinganda za GaN zo mu gihugu ryihuse
Ibikoresho bya Gallium nitride (GaN) byiyongera cyane ku buryo bugaragara, biyobowe n’abacuruzi bo mu Bushinwa bagurisha ibikoresho bya elegitoroniki, kandi biteganijwe ko isoko ry’ibikoresho by’amashanyarazi GaN rizagera kuri miliyari 2 z'amadolari mu 2027, aho riva kuri miliyoni 126 z'amadolari muri 2021. Kugeza ubu, urwego rwa elegitoroniki rukoresha ni rwo umushoferi mukuru wa gallium ni ...Soma byinshi -
Safiro yibikoresho byo gukura ibikoresho rusange
Ibikoresho bya safiro ni ibintu by'ingenzi mu nganda zigezweho. Ifite ibikoresho byiza bya optique, imiterere yubukanishi hamwe nubushakashatsi bwimiti, imbaraga nyinshi, ubukana hamwe no kurwanya ruswa. Irashobora gukora ku bushyuhe bwo hejuru bwa 2000 ℃, kandi ifite g ...Soma byinshi -
Igihe kirekire gihoraho cyo gutanga 8inch SiC imenyesha
Kugeza ubu, isosiyete yacu irashobora gukomeza gutanga icyiciro gito cya 8inchN yo mu bwoko bwa SiC wafers, niba ukeneye icyitegererezo, nyamuneka umbaze. Dufite ibyitegererezo by'icyitegererezo twiteguye kohereza. ...Soma byinshi