Tooj liab, raws li cov khoom siv hlau qub qub, tau ua ib qho kev kho kom zoo nkauj tsis tseem ceeb ntawm kev tsim kho, kev tsim kho vajtse, kev ua yeeb yam, kev ua yeeb yam txij li pib ntawm tib neeg kev vam meej.
Nrog rau kev kawm ntawm kev tshawb fawb thiab thev naus laus zis thiab kev txhim kho kev ua tau zoo dua qub tooj liab, tab sis kuj tseem kawm kom ua kom zoo nkauj tooj liab, tab sis kuj tseem yuav ua rau muaj kev ua kom zoo tshaj plaws ntawm cov tooj liab.
Niaj hnub no, peb yuav tham txog qhov txawv ntawm tooj daj thiab tooj liab, thiab lawv cov ntawv thov!
Dab tsi yog ntshiab tooj liab? Ntsiav tooj ntshiab feem ntau yog hu ua tooj liab tooj liab, liab dawb tooj liab lossis oxygen-tooj liab cov ntsiab lus ntawm 99.9% lossis ntau dua ntawm cov khoom tooj liab.
Ntshiab tooj liab muaj cov hluav taws xob zoo thiab thermal ua haujlwm, thiab tau siv dav siv raws li cov khoom siv tseem ceeb thiab cov xaim hluav taws xob; Lub caij no, vim nws qhov kev pib ua kom zoo nkauj thiab txheej txheem ua kom zoo nkauj, tooj liab ntshiab tseem yog qhov zoo rau kev ua ntau yam precision seem.
Ib qho ntxiv, tus tooj liab tau zoo heev corrosion tsis kam, tshwj xeeb yog li ntawd nyob rau hauv cov dej siav uas muaj ntau li cov twj ntxau thiab cov khoom siv marine.
Hais txog kev tsim muaj, tooj liab tuaj yeem raug muab tso rau hauv cov duab puab zoo nkauj lossis raug pov rau hauv cov tswb loj thiab kos, qhia tus nqi zoo nkauj.
Dab tsi yog tooj dag? Tooj dag yog binary alloy muaj li luam tawm ntawm tooj liab thiab zinc. Raws li cov ntsiab lus zinc sib txawv, tooj dag tuaj yeem faib ua cov tooj daj (xws li H62, H68) thiab qhov tshwj xeeb tooj dag, txhuas tooj liab).
Feem ntau hais lus, thaum cov feem ntawm zinc nce, cov xim ntawm brass yuav maj mam ua ntais, thiab lub hardness kuj tseem yuav nce ntxiv, tab sis cov yas yuav raug txo kom tau raws li. Piv nrog cov tooj liab ntshiab, tooj dag muaj lub zog zoo dua qub thiab cov khoom siv tooj dag zog, uas ua rau nws dav dav thiab lwm qhov chaw tuaj yeem tiv thaiv siab dua tsis muaj kev hnav lossis hnav.
Ntxiv rau, vim yog tooj dag saum npoo yog yooj yim los tsim ib txheej ntawm cov cua tsis yooj yim, yog qhov yooj yim rau kev ua kom zoo nkauj, yog li nws tseem siv tau ntau yam zoo nkauj, cov suab paj nruag lub ntsej muag thiab lwm yam.
Tom ntej no, cia tham txog kev sib piv ua tau zoo thiab kev thov cov chaw ntawm cov tooj liab thiab tooj dag!
Hais txog cov khoom siv lub cev, tooj liab muaj hluav taws xob siab dua thiab thermal conductivity, thaum tooj dag qhia cov tshuab muaj zog zoo dua thiab hnav tsis kam.
Raws li cov tshuaj ruaj khov muaj kev txhawj xeeb, txawm hais tias ob qho tib si yog cov kev daws teeb meem ntau ntxiv rau hauv Brass, hauv qab tus tooj liab yog qhov ruaj khov. Raws li rau tus nqi muaj txiaj ntsig, feem ntau, vim tias tooj dag muaj qee feem ntawm kev pheej yig zinc, yog li tus nqi yuav qis me me dua li tus tooj liab me me.
Hauv kev sib kis ntawm lub zog, tau muab cov kev coj ua zoo tshaj plaws ntawm cov tooj liab ntshiab, nws ua ib qho ntawm cov khoom siv feem ntau siv hauv cov khoom siv fais fab. Seb nws yog overhead xaim ntawm high-voltage kis cov yees lossis cov xov hluav taws xob me me hauv lub tsev, yuav luag txhua tus yog ua los ntawm cov tooj liab ntshiab.
Nyob rau hauv teb ntawm archection archoration, tooj dag, nrog nws qhov tshwj xeeb golden luster thiab kev sib sau ua ke thiab kho kom zoo nkauj ntawm cov tsev. Qhov rooj tuam tsev, cov khau khiab, teeb thiab lwm yam khoom hniav zoo nkauj feem ntau siv tooj dag li cov khoom siv nyoos, uas yog ob qho tib si zoo nkauj thiab ruaj khov.
Hauv kev tsim cov tshuab ntawm kev tsim khoom, tooj dag yog qhov kev xaiv zoo rau qhov uas xav tau lub zog siab thiab txiav cov khoom. Piston Pisting hauv cov cav hauv tsheb, txuas cov pas nrig me me, xws li lub cev hauv lub valve thiab lwm qhov tseem ceeb yog tsim los ntawm tooj dag.
Nyob rau hauv kev ua teb suab paj nruas tsim, tooj dag yog cov khoom siv tseem ceeb rau kev tsim khoom ntau cov cua tshuab hauv Orchestras, xws li tshuab raj thiab trombones. Cov twj paj nruag no siv lub suab sib txawv conduction yam ntxwv thiab cov kev ntxhib los mos ntawm tooj dag, muab cov nkauj ib qho kev xav tau nplua nuj.
Hauv kev ua haujlwm ntawm cov khoom lag luam txhua hnub, ntau cov khoom hauv lub neej txhua hnub, cov kais dej, zawv plaub hau, tab sis kuj muaj lub neej muaj kev pabcuam ntev.
Txhawm rau kom suav, tooj liab thiab tooj dag muaj lawv tus kheej txoj kev ua tiav, thiab qhia lawv cov txiaj ntsig zoo hauv cov xwm txheej sib txawv.
Nrog kev hloov pauv sai ntawm cov khoom siv tshiab tshiab, peb ntseeg tias cov khoom no yuav txuas ntxiv rau lawv qhov chaw muaj kev kawm txuj ci thiab kev txhim kho kev kawm tau zoo ntxiv. Txawm hais tias nyob rau hauv kev tsim khoom lag luam ib txwm muaj lossis niaj hnub tsim qauv, tooj liab thiab tooj liab tseem yuav txuas ntxiv nrog lawv cov ntxim nyiam thiab sau tshooj tshiab rau lawv.
Peb tuaj yeem muab cov khoom lag luam zoo, kev ua haujlwm zoo thiab cov neeg sib tw. Peb tau cog lus los ua cov khoom tooj liab zoo xws li tooj liab cov roj, cov xaim tooj liab, tooj liab, tooj liab pob thiab lwm yam khoom me.
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