Puas acid dawb txhais tau tias khaws cia?

Cov txheej txheem:

Puas acid dawb txhais tau tias khaws cia?
Puas acid dawb txhais tau tias khaws cia?
Anonim

Ntau tus neeg zoo li xav tias cov ntawv tsis muaj kua qaub thiab cov ntaub ntawv khaws cia yog tib yam, tab sis qhov tseeb tsis yog! Cov ntaub ntawv tsis muaj kua qaub yog tsim nrog tib lub thev naus laus zis uas ua cov ntawv alkaline, tab sis qhov no tsis tas txhais tau tias lawv zoo ib yam. … Cov ntawv tas mus li suav tau tias tsis muaj kua qaub."

Puas archival acid dawb?

Txoj Kev Archival txaus siab muab cov kua qaub-dawb interleaving ntawv hauv ntau qhov sib txawv.

YPuas yog kua qaub dawb ib yam li pH nruab nrab?

' Ntau tus neeg siv khoom thiab cov khw muag khoom xav tias qhov nruab nrab pH yog tib yam li tsis muaj kua qaub. … Ib puag ncig pH nruab nrab yog qhov sib npaug ntawm cov hydrogen ions. (HO yog qhov tseeb H + thiab OH-: qhov zoo ion yog sib npaug tiv thaiv qhov tsis zoo) Yog tias ntau cov hydrogen ions tau qhia, qhov nyiaj tshuav mus rau cov kua qaub.

Dab tsi yog qhov txawv ntawm acid dawb thiab lignin dawb?

Acid dawb txhais tau tias ntawv pH yog 7.0 (nruab nrab) lossis siab dua (alkaline). … Lignin yog cov kua qaub uas tshwm sim nyob rau hauv cov ntoo pulp slurry siv los tsim cov ntawv.

Dab tsi ua rau ib yam dab tsi?

Raws li siv rau cov ntaub ntawv thiab cov khoom siv, "archival" txhais tau tias ib yam uas tsim nyog rau kev sib cuag mus ntev nrog cov khoom tseem ceeb, muaj kev nyab xeeb thiab ruaj khov rau cov tsev khaws puav pheej lossis tsev qiv ntawv qauv. Thaum cov kws ua yeeb yam hais tias "archival", feem ntau lawv yeej txhais tau tias "hloov mus rau cov qauv kev ruaj khovart"

Pom zoo: