2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
smelted; smelting; smelts. Txhais lus ntawm smelt (Ntu 2 ntawm 3) transitive verb. 1: kom yaj lossis fuse (ib yam khoom, xws li ore) feem ntau nrog cov tshuaj hloov pauv feem ntau los cais cov hlau. 2: refine, txo.
lo lus smelting txhais li cas?
Smelting yog ib daim ntawv ntawm cov khoom siv hlau los tsim cov hlau los ntawm nws cov ore. Smelting siv cov cua sov thiab cov tshuaj txo tus neeg sawv cev kom decompose cov ore, tsav tawm lwm yam xws li gasses los yog slag thiab tso cov hlau tom qab.
Yuav ua li cas ua piv txwv?
Cov tshuaj txo cov hlau los ntawm nws cov ore los ntawm cov txheej txheem feem ntau cuam tshuam nrog fusion, kom lub ntiaj teb thiab lwm yam impurities cais raws li sib zog thiab ntau fusible slags thiab tuaj yeem tshem tawm ntawm cov hlau txo. Ib qho piv txwv yog txo cov hlau ore (hlau oxide) los ntawm coke hauv qhov cub tawg los tsim npua hlau.
Vim li cas thiaj hu ua smelting es tsis yog melting?
Qhov Tseem Ceeb - Melting vs Smelting
Melting yog txheej txheem ntawm liquefying ib yam khoom los ntawm cua sov. Nws yog cov txheej txheem uas cov khoom hloov pauv los ntawm cov theem khoom mus rau theem ua kua. Smelting yog txheej txheem los ntawm cov hlau tau txais ntawm qhov kub tshaj qhov melting point los ntawm nws cov ore.
Yuav ua li cas smelting hauv social?
txheej txheem kom tau txais cov hlau los ua ib qho khoom los yog ib qho yooj yim compound los ntawm nws cov ore los ntawm cua sov tshaj qhov melting point hauv lubmuaj cov oxidising agents xws li cua thiab coke yog hu ua smelting.
Pom zoo:
Thaum twg huv si txhais tau tias?
Lub ntsiab lus ntawm kev huv yog lub xeev ua huv thiab tsis muaj kab mob lossis kab mob. Ib qho piv txwv ntawm kev huv yog ib lub tsev uas nyuam qhuav tau ntxuav kom huv si. Ntawm lossis hais txog kev noj qab haus huv lossis kev tiv thaiv kev noj qab haus huv.
Puas tso siab tau thiab ntseeg tau txhais tau tias tib yam?
Cov neeg muaj kev vam meej tuaj yeem tso siab tau thiab cov neeg ntseeg siab tuaj yeem nyob ntawm. Thaum xub thawj siab ib muag zoo li tsis muaj qhov sib txawv ntawm ob lo lus uas tsis yog lawv cov ntawv sau. Phau ntawv txhais lus yog hais txog dependable as a synonym of trustworthy as a synonym for dependable.
Thaum twg mam li txhais tau tias?
: ntawm los yog hais txog kev sib yuav, lub xeev sib yuav, lossis cov neeg sib yuav. Koj txhais li cas ntawm kev sib yuav? Kev sib yuav yog ib txoj kev zoo nkauj ntawm kev hais "kev sib yuav." Thaum ob niam txiv sib nrauj, nkawd sib yuav.
Thaum twg yog smelting invented?
Cov pov thawj ntxov tshaj plaws ntawm kev smelting tooj liab, yos los ntawm nruab nrab ntawm 5500 BC thiab 5000 BC, tau pom nyob rau hauv Pločnik thiab Belovode, Serbia. Lub taub hau mace pom nyob rau hauv Can Hasan, Qaib Cov Txwv thiab hnub tim rau 5000 BC, ib zaug xav tias yog cov pov thawj qub tshaj plaws, tam sim no zoo li yuav hammered haiv neeg tooj liab.
Puas tau npaj ua ntej txhais tau tias tau npaj?
Ib yam premeditated yog npaj rau qib siab thiab muaj lub hom phiaj tom qab. Hauv lwm lo lus, nws tsis muaj xwm txheej. Kev ua txhaum cai ua ntej yuav tsum ua tib zoo npaj thiab tshawb fawb ua ntej nws tshwm sim. premeditated txhais li cas?
