(1) Cov duab kos emulsion roj pas dej yog qhov me me, cov yeeb nkab xa rov qab yog luv thiab kaw, ua rau qeeb cua sov dissipation, ua rau cov roj emulsion kub.
(2) Copper hlau annealing ua rau blackening ntawm cov xim. Ua ntej, txawm tias rub rov qab cov dej txias feem ntau yog siv cov kais dej, dej hauv av, vim tias cov dej zoo tsis zoo ib yam nyob txhua qhov chaw, qee qhov chaw ntawm cov dej zoo PH tus nqi qis, tsuas yog 5.5 ~ 5.0 (ib txwm yog 7.0 ~ 7.5), thawj emulsion hauv cov yeeb yaj kiab antioxidant raug ntxuav tawm, annealing ntawm tooj liab oxidized, yooj yim rau oxidize. Thib ob, nyob rau hauv lub tshuab nqus hlau zoo tib yam rub cov khoom tiav ntawm cov hlau tooj liab hauv cov kab annealing nyob rau hauv lwm txoj kab annealing, cov dej txias kuj tsis siv cov tshuaj tua kab mob antioxidant, lub sij hawm antioxidant luv luv, yuav sai sai no oxidized dub tshwm sim;
(3) Qee lub tsev qub qub tseem siv lub tog raj kheej annealing rau anneal.Tnws cov laj thawj hauv qab no kuj tseem yuav ua rau oxidation, blackening: Ua ntej, lub tog raj kheej annealing tsis nruj, yaug cov pa roj carbon dioxide los yog high-purity nitrogen to; Qhov thib ob, tawm ntawm lub tog raj kheej ntawm cov tooj liab hlau yog qhov kub thiab txias, siab tshaj 30 ° C; Thib peb, cov hlau kos duab emulsion txij nkawm tsis txaus, tus nqi PH tsawg dhau; Cov rooj plaub no feem ntau tshwm sim rau lub caij ntuj sov thaum qhov kub thiab txias, cov emulsion yuav siv tau yam tsis muaj kev txwv tsis pub poob ntawm qhov kub siab, ces poob sai dua. Thaum qhov kub thiab txias, qhov poob yog sai dua, yog tias koj tsis ntxiv cov roj av tshiab raws sijhawm, cov roj cov ntsiab lus tsawg heev nyob rau lub sijhawm no, nrog rau qhov kub thiab txias, qhov kub ntawm cov emulsion yuav ntau dua 45 ℃, nws yooj yim ua rau oxidation thiab blackening.
(4)ATsis muaj qhov xwm txheej yog tias, vim tam sim no kev siv cov duab nrawm nrawm, nws nrawm nrawm dua, cov txheeb ze cov cua sov dissipation lub sij hawm raug txo, mus rau oxidation ntawm qee qhov chaw thiab lub sij hawm, yog li ntawd, nws tau pom zoo tias cov tuam txhab lag luam them nyiaj ntau rau cov roj cov ntsiab lus ntawm qhov teeb meem emulsion, siv qhov kub thiab txias, PH nqi, thiab lwm yam. antifungal tus neeg sawv cev, muaj nyob rau lub caij ntuj sov antioxidant los daws qhov teeb meem ntawm oxidation, Blackening teeb meem yuav tsis muaj teeb meem.
Post lub sij hawm: Nov-14-2023