2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Dub oxide lossis blackening yog hloov pauv txheej rau cov ntaub ntawv ferrous, stainless hlau, tooj liab thiab tooj liab raws alloys, zinc, hmoov hlau, thiab nyiaj solder. Nws yog siv los ntxiv cov tshuaj tiv thaiv corrosion me me, rau qhov zoo li, thiab txo qis kev cuam tshuam lub teeb.
Yuav siv tshuaj dab tsi los ua kom dub hlau?
Blackening siv cov tshuaj sib xyaw uas clings rau saum npoo ntawm machined hlau (nyob rau hauv tag nrho cov nooks thiab crannies). Nws tsim ib tug ntxeem tau lub hauv paus uas bonds chemically nrog lub workpiece nto. Nyob rau hauv txias blackening, cov tshuaj compound yog tooj liab / selenium (CuSe).
Koj tiv thaiv cov hlau dub li cas?
Beeswax yog ib txoj hauv kev zoo los muab cov hlau ruaj khov, xim dub txheej uas yuav tiv thaiv nws ntawm corrosion. Ntawm no yog ib qho kev piav qhia ntawm yuav ua li cas blacken steel nrog beeswax: Ntxuav cov hlau kom huv si nrog ib tug degreaser thiab tshem tawm tej xeb. Xyuas kom tseeb tias tsis muaj seem seem ntawm cov hlau.
Yuav ua li cas muab patina rau steel?
Soak the metal in vinegar . Ntxiv vinegar rau koj lub thawv huv, qhuav kom muaj txaus kom submerge cov hlau. Tom qab ntawd ntxiv ib qho sib npaug ntawm cov ntsev rau hauv vinegar, do kom huv si, thiab ntxig cov hlau kom nws tuaj yeem zaum hauv cov tshuaj thiab tsim cov vinegar-ntsev patina.
Koj ua li cas patina steel sai sai?
Txau koj cov khoom hlau nrog dawb dawb vinegar, soaking saum npoo thiab cia nws qhuav ua ntej rov thov dua. Covacidic vinegar maj mam etches cov hlau nto kom cov khoom yuav xeb sai dua. Rov ua cov tshuaj tsuag qhuav ob peb zaug.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi yog 10 vaj huam sib luag tshuaj tshuaj?
Kev kuaj tshuaj 10-panel nrhiav cov kab ntawm kaum hom tshuaj sib txawv uas feem ntau cuam tshuam nrog kev siv yeeb tshuaj. Qhov kev sim no ib txwm ua nrog cov qauv tso zis thiab tej zaum yuav muaj kev sim thib ob kom paub meej tias cov txiaj ntsig zoo.
Cov tshuaj tiv thaiv dab tsi rau kev txhaj tshuaj tiv thaiv thib ob?
Cov tshuaj tiv thaiv COVID-19 thib ob yog dab tsi? Cov kev mob tshwm sim feem ntau tom qab koob thib ob yog qhov mob ntawm qhov chaw txhaj tshuaj (92.1% tshaj tawm tias nws kav ntev dua 2 teev); qaug zog (66.4%); mob lub cev lossis leeg nqaij (64.
Cov piv txwv ntawm cov kuab tshuaj thiab cov kuab tshuaj yog dab tsi?
Solutes yog cov khoom uas yaj rau hauv cov kuab tshuaj thiab peb xaus nrog kev daws. Qee qhov piv txwv ntawm cov kuab tshuaj yog dej, ethanol, toluene, chloroform, acetone, mis nyuj, thiab lwm yam. Piv txwv ntawm cov kuab tshuaj muaj xws li, qab zib, ntsev, oxygen, thiab lwm yam … Cov dej dej muaj dej (kua kua) thiab yaj oxygen (solute).
Puas yog cov dab dab dab dab dab dab tau them?
OHL cov neeg ua si tsis tau nyiaj hli, vim lawv tsis raug lees paub tias yog cov neeg ua haujlwm raws li Txoj Cai Kev Ua Haujlwm. Txawm li cas los xij, lawv suav nrog cov txiaj ntsig xws li nyiaj rov qab txhua xyoo, tag nrho cov nqi kawm ntawv them, thiab daim pib pub dawb.
