2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob rau hauv roasting, cov ore los yog ore concentrate yog kho nrog cua kub heev. Cov txheej txheem no feem ntau yog siv rau cov zaub mov sulfide. Thaum lub sij hawm ci, cov sulfide hloov mus rau an oxide, thiab sulfur yog tso tawm raws li sulfur dioxide, roj.
Yuav ua li cas yog lub npe ore uas rho tawm los ntawm roasting?
Roasting yog cov txheej txheem ntawm cov cua kub concentrated ore mus rau qhov kub siab nyob rau hauv lub xub ntiag ntawm huab cua. Lub ore zinc blende yog ci kom tau zinc oxide. Piv txwv: Zinc sulphides yog oxidized rau zinc oxide.
Vim li cas roasting exothermic?
The txheej txheem cua sov ntawm ore mus rau qhov kub siab nyob rau hauv lub xub ntiag ntawm huab cuayog lub npe hu ua roasting. Yog li, nqe lus 'nws yog txheej txheem ntawm cov cua sov ore hauv huab cua kom tau txais cov oxide' yog qhov tseeb. Thaum lub sij hawm roasting, ib tug loj npaum li cas ntawm acidic, metallic thiab lwm yam toxic compounds raug tso tawm. Yog li, roasting yog txheej txheem exothermic.
Yuav ua li cas rho tawm cov hlau los ntawm cov ore?
txheej txheem ntawm rho tawm cov hlau los ntawm lawv cov ores hu ua metalurgy. Cov txheej txheem ua haujlwm hauv kev rho tawm cov ore nyob ntawm qhov xwm txheej ntawm cov ore thiab cov impurities tam sim no hauv nws.
Yuav ua li cas ore roasting tiav?
Sulphide ores yog roasted los hloov lawv cov oxides, vim oxides tau yooj yim txo rau hlau dua sulphides.
Pom zoo:
Yuav tsum tshem cov hlau hlau tawm ntawm lub cev?
Yog cov hlau tseem sib tw ces nws yuav tsum muab tshem tawm. Qee qhov tsis xis nyob nyob ib ncig ntawm qhov kho pob txha tuaj yeem yog los ntawm qhov nthuav dav thiab tsis xwm yeem mus rau pob txha. Ntau pob txha yuav siv sij hawm txog 3 xyoos kom tsis txhob mob.
Vim li cas kuv lub tshuab luam ntawv hais tias nws xav tau ntawv thaum nws muaj ntawv?
daim ntawv yog slick rau cov khoom. Daim ntawv yuav tsis koom nrog cov khoom noj khoom haus. … Lub tais ntawv tsis tau muab tso rau hauv cov khoom. Cov ntawv teeb tsa hauv lub tshuab luam ntawv tsis sib xws nrog cov ntawv ntim rau hauv daim ntawv tais.
Puas rho tawm lossis rho tawm?
verbpast tense withdrew, past participle withdrawn. 1 Nrog cov khoom Tshem tawm lossis tshem tawm (ib yam dab tsi) ntawm ib qho chaw lossis txoj haujlwm. 'Nws nres thaum nws mus txog txoj haujlwm raug thiab thim tawm me me ntawm cov kua dej ntshiab.
Puas txiav tawm txhais tau tias raug rho tawm haujlwm?
Kev txiav tawm yog qhov sib piv nrog cov ntsiab lus ntawm kev raug "ntaus tawm." Ib tug yuav raug rho tawm haujlwm lossis raug rho tawm haujlwm rau ntau yam tab sis yog ib txwm siv los txhais tau tias cia tus neeg ua haujlwm nrog cov teeb meem kev ua haujlwm mus.
Koj puas tuaj yeem rov qhib daim npav rho nyiaj rho tawm?
Feem ntau, daim npav rho nyiaj rho tawm yuav tsis tsim nyog rov qhib dua. Nws tuaj yeem ua rau muaj kev txhawj xeeb txog kev nyab xeeb rau koj cov nyiaj los qhib daim npav uas tau muab tso tseg yav dhau los. Daim npav rho tawm puas tuaj yeem rov qhib tau?
