Nyob rau hauv cov txheej txheem bromoil, ib daim duab nyiaj yog bleached, thiab ib txhij cov gelatin yog tanned proportionnally rau cov nyiaj uas muaj. Thaum kawg lub luam yog tsau, ntxuav thiab qhuav. Tom qab ntawd, cov ntawv luam yog tsau rau hauv dej kub, uas ua rau o ntawm gelatin.
bromoil print yog dab tsi?
Cov txheej txheem ntau yam thiab pleev xim rau bromoil yog qauv luam ntawv uas sib xyaw ua ke ntawm kev yees duab, luam ntawv, thiab pleev duab. … Lithographic number case yog siv txhuam los yog cov menyuam los hloov cov nyiaj hauv cov ntawv luam tawm. Txhua xim lossis xim sib xyaw tuaj yeem siv tau.
roj luam ntawv ua li cas?
Oleography tau siv dav hauv lub xyoo pua 19th, thiab koom nrog cov txheej txheem ntawm chromolithography, siv ntau yam ntawm 15-20 xim. Cov txheej txheem stamping yog siv los xyaum ua lub ntsej muag canvas thiab cov tawv nqaij tawv ntawm cov xim roj. Cov ntawv luam tawm tom qab ntawd txuas rau daim ntaub los tsim kom zoo nkauj ntawm cov roj pleev xim.
Koj ua cov pos hniav bichromate li cas?
Ua luam tawm siv cov pos hniav bichromate txheej txheem
- 1Gum luam ntawv yog tus txheej txheem luam ntawv hu. …
- 2Nrog koj qhov kev npaj tsis zoo thiab nyob rau hauv lub teeb tsis zoo lossis lub teeb pom kev nyab xeeb, muab ib feem ntawm cov pos hniav arabic, ib feem dichromate, thiab qhov ntev me me ntawm cov xim dej los ntawm ib lub raj.
Yuav ua li cas cov duab luam tawm?
Daim ntawv raug nthuav tawm yees duab tsis zoo, qhov pom tseeb zoo (lossis swb),los yog cov ntaub ntawv duab digital uas tau npaj siv lub tshuab loj lossis cov khoom siv hluav taws xob xws li LightJet lossis Minilab tshuab luam ntawv. … Tom qab raug pom lawm, daim ntawv raug ua tiav los nthuav tawm thiab ua rau daim duab latent mus tas li.