Sei Girazi rine ruvara rwakasiyana?

Girasi yakajairika inogadzirwa kubva kujecha requartz, soda uye limestone, kuburikidza nekunyungudutswa pamwechete.Imhando ye silicate musanganiswa wekuumbwa kwemvura.Pakutanga, chigadzirwa chegirazi chine mavara madiki madiki asina kujeka.Muvara hauwedzerwi nemabasa ekugadzira, chokwadi ndechokuti zvinhu zvakasvibiswa hazvina kuchena, uye zvakasanganiswa nekusachena.Panguva iyoyo, zvigadzirwa zvegirazi zvine mavara zvinoshandiswa pakushongedza, zvinosiyana zvakanyanya kupfuura ikozvino.

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Mushure mekudzidza, vanhu vakaona kuti kana yakawedzera 0.4% ~ 0.7% colorant mune zvakabikwa, girazi rinenge riine ruvara.Kazhinji iyo colorant isimbi oxide, sezvo ese esimbi maelementi ane yavo optical hunhu, ipapo akasiyana esimbi oxide anoratidza mavara akasiyana pagirazi.Semuenzaniso, girazi rine Cr2O3 richaratidza ruvara rwegirinhi, neMnO2 icharatidza ruvara rwepepuru, neCo2O3 icharatidza ruvara rwebhuruu.

Muchokwadi, ruvara rwegirazi haruna kubva pane colorant.Kuburikidza nekugadzirisa tembiricha yekunyungudika, kushandura valence yechinhu, zvino inogona kugadzira girazi rine ruvara rwakasiyana.Semuyenzaniso Cuprum mugirazi, kana iripo nepamusoro valence mhangura oxide mugirazi, iri yebhuruu girini ruvara, asi kana iripo ne low valence Cu2O, icharatidza ruvara rutsvuku.

Ikozvino, vanhu vanoshandisa isingawanzo-yepasi element oxidate semuvarari kugadzira akasiyana emhando yepamusoro girazi reruvara.Girazi rine isingawanzo-yepasi chinhu rinoratidza kupenya kwemavara uye kupenya, kunyange kuchinja ruvara pasi pezuva rakasiyana.Vachishandisa girazi remutsa iri kugadzira mahwindo nemadhoo, zvemukati zvaigona kuchengetedza kureruka, pasina chikonzero chekushandisa keteni kudzivirira chiedza chezuva, ipapo vanhu vaiti seautomatic curtain.

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Nguva yekutumira: Feb-18-2022