Video: Watney yuam kev dab tsi hauv nws qhov kev suav?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum lub xam ua haujlwm raws li kev npaj, Watney ua kom tawg yuam kev . Hauv zaj yeeb yaj kiab, nws tsis xav txog cov pa oxygen hauv cov pa uas nws ua pa tawm. Txhua yam zoo li yuav mus tau zoo, tab sis cov kev cai ntawm xwm sai sai hais rau lawv tus kheej - nyob rau hauv daim ntawv ntawm ib tug fireball.
Xav txog qhov no, dab tsi tshuaj Watney siv los ua qhov chaw ntawm hydrogen rau nws cov dej?
hydrazine
Ib yam li ntawd, Mark Watney muaj zaub mov ntau npaum li cas? Tsuas yog kom muaj kev nyab xeeb, NASA tau xa 68 sols 'tus nqi ntawm zaub mov , rau 6 tus neeg. Rau Watney ib leeg, uas yuav kav 300 sols, txuas mus rau 400 yog nws rations. Watney xav tau 1,500 calories txhua hnub. Nws muaj 400 sols 'supply ntawm zaub mov xa.
Ib yam li ntawd, tej zaum koj yuav nug, ua li cas thaum Watney sim ua dej?
Watney siv txoj kev pheej hmoo ntawm kev tsim nws tus kheej dej los ntawm kev siv nws cov pa oxygenator (ib lub cuab yeej tsim cov pa oxygen los ntawm carbon dioxide), rho tawm hydrogen los ntawm cov neeg coob uas tsis siv cov roj hydrazine (los ntawm MDV, lossis Mars Descent Vehicle), thiab hlawv rau lawv. tsim qhov ntxiv dej nws yuav tsum tau noj nws cov qos yaj ywm.
Lub Martian cuam tshuam li cas rau chemistry?
Chemistry , tshwj xeeb tshaj yog cov synthesis ntawm dej los ntawm hydrazine, tseem ceeb heev rau zaj dab neeg ntawm Lub Martian ”. Txawm tias tsis muaj qhov xwm txheej ntawm tus neeg caij nkoj marooned, chemistry Nws yog ib qho tseem ceeb rau kev muaj sia nyob ntawm tib neeg nyob rau hauv qhov chaw dav hlau ntev uas cov pa roj carbon dioxide yuav tsum tau rov ua dua rau hauv oxygen.
Pom zoo:
Dab tsi yog qhov quab yuam ntawm ib qho khoom hauv qhov zoo li qub lossis dynamic equilibrium?
Thaum lub net quab yuam ntawm ib yam khoom sib npaug rau zerothen cov khoom no yog nyob rau ntawm so (staticequilibrium) los yog txav ntawm qhov nrawm nrawm (dynamicequilibrium)
Dab tsi yog qhov kev twv ua yuam kev hauv kev txheeb cais?
Qhov kev twv ua yuam kev yog qhov ua tsis tiav ntawm qee qhov kev xav tau tshwm sim. Kev twv ua ntej yuam kev, nyob rau hauv cov ntaub ntawv ntawd, tej zaum yuav raug muab tus nqi tsis zoo thiab kwv yees qhov txiaj ntsig zoo, qhov twg AI yuav raug tsim los sim ua kom nws cov qhab nia siab tshaj plaws
Dab tsi yog qhov kev ua yuam kev hauv kev sim nrog cov hluav taws xob tam sim no?
Cov peev txheej ntawm kev ua yuam kev suav nrog cov cuab yeej, ib puag ncig, txheej txheem, thiab tib neeg. Tag nrho cov kev ua yuam kev no tuaj yeem ua tsis tau lossis ua haujlwm nyob ntawm seb lawv cuam tshuam li cas. Instrumental yuam kev tshwm sim thaum cov cuab yeej siv tsis raug, xws li qhov sib npaug uas tsis ua haujlwm (SF Fig
Dab tsi yog qhov yuam kev loj tshaj plaws yog tias Irina ntsuas qhov ntev ntawm nws lub qhov rais li 3.35 feet qhov yuam kev loj tshaj plaws yog taw?
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Dab tsi yog qhov kev twv ua yuam kev hauv regression?
Kev twv ua ntej yuam kev suav ib qho ntawm ob yam: Hauv kev ntsuas kev rov qab, nws yog ib qho kev ntsuas ntawm tus qauv kwv yees qhov kev hloov pauv tau zoo npaum li cas. Hauv kev faib tawm (kev kawm tshuab), nws yog ib qho kev ntsuas ntawm cov qauv zoo li cas rau cov qeb raug