Nekuvandudzika kwekutsvaga kwevatengi runako rwezvipfeko, kudiwa kwemavara ezvipfeko kuri kuchinjawo kubva pakuva zvinhu zvitsva kuenda kune zvemazuva ano.
Shandura. Kuchinja ruvara rwefaibha nerubatsiro rwetekinoroji yemazuva ano uye itsva, kuitira kuti ruvara kana patani yemachira ive nechiedza, tembiricha,
Hunyoro hunochinja kubva pa "static" yenguva dzose kuenda pa "dynamic" effect iri kuuya, mumunda wemachira
Kukurumidza kukura uye kushandiswa kwakakura.
Zvinhu zvinochinja ruvaramhando uye mashandiro ekuchinja mavara *
(1) zvinhu zvinonzwa chiedza
Zvinhu zvinonzwa kusviba kweruvara rwezuva (photosensitive coloration material) rudzi rwekusviba kweruvara kunogona kuitika pasi pekupiswa nemwaranzi ye ultraviolet kana chiedza chinoonekwa, uye kunogona kunyangarika mushure mechiedza.
Dyai rinobva paruvara rwepakutanga. Zvinhu zvinochinja ruvara zvinoonekwa nechiedza zvinosanganisira silver chloride, silver bromide, stilbene.
Kirasi, kirasi ye spiral ring, kirasi ye nornadiene, kirasi ye capture refined anhydride, triphenylmethane derivatives, kirasi ye salicylic acid aniline
Zviri mukati, nezvimwewo. Parizvino, zvinhu zvinoshandura ruvara zvinonzwa chiedza zvakagadzirwa kuti zvive nemavara mana ekutanga: pepuru, yero, bhuruu, tsvuku.
Chimiro chekutanga chezvinhu zvakasiyana-siyana zvemufananidzo chakavharwa, kureva kuti, hapana ruvara rwakadhindwa pajira, uye chinongochinja chete kana paine mwaranzi ye ultraviolet.
Pepuru, yero, bhuruu, tsvuku.
(2) zvinhu zvinonzwa kupisa
Chikonzero neizvinhu zvinoshandura ruvara zvinonzwa kupisaKugona kuchinja ruvara kunokonzerwa nekuti ruvara runogona kukonzera shanduko yechimiro chemukati, zvichikonzera shanduko yeruvara, kana tembiricha yadzikira, ruvara runodzoserwa. Zvichienzaniswa nemavara anonzwa chiedza, tsvakiridzo yemadhayi anodziya kumba nekune dzimwe nyika yakanyanya, kunyanya mukushandiswa kwekudhinda kwemachira, yakawana mhedzisiro yakati wandei, zvigadzirwa zvekudhinda zvinodziya zvakaburitswa.
Nguva yekutumira: Gumiguru-13-2021