Video: Vim li cas qhov chaw sib tw tseem ceeb heev?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov Chaw Sib Tw tau txiav txim siab tseem ceeb vim nws qhia lub ntiaj teb no lub teb chaws twg muaj kev kawm txuj ci zoo tshaj plaws, technology, thiab kev lag luam. Tom qab Tsov Rog Ntiaj Teb Zaum II ob lub tebchaws United States thiab Soviet Union pom tau li cas tseem ceeb kev tshawb fawb foob pob hluav taws yuav yog rau cov tub rog.
Ib sab ntawm qhov no, qhov cuam tshuam ntawm qhov chaw sib tw yog dab tsi?
Cov Chaw Sib Tw spawned pioneering kev rau siab mus tso dag satellites. Nws ua rau cov teb chaws sib tw xa cov neeg tsis muaj neeg coob qhov chaw probes rau lub hli, Venus thiab Mars. Nws kuj tseem ua rau tib neeg muaj kev ya davhlau nyob rau hauv lub ntiaj teb qis orbit thiab mus rau lub hli.
Tsis tas li ntawd, qhov kev sib tw ntawm qhov chaw xaus li cas? Xyoo 1955-1975
Ces, leej twg yeej qhov chaw sib tw thiab yog vim li cas?
Los ntawm tsaws rau lub hli, Tebchaws Meskas Ua tau zoo "yeej" qhov chaw sib tw uas tau pib nrog Sputnik lub community launch nyob rau hauv 1957. Rau lawv feem, lub Soviets ua plaub ua tsis tau tejyam sim mus tua lub lunar tsaws khoom siv tes ua nyob rau hauv 1969 thiab 1972, nrog rau ib tug spectacular launch-pad tawg nyob rau hauv Lub Xya hli ntuj 1969.
Dab tsi tawm ntawm qhov kev pab cuam qhov chaw?
Cov khoom lag luam paub zoo uas NASA tau lees tias yog spinoffs suav nrog kev nco ua npuas ncauj (lub npe hu ua temper foam), cov khoom noj khov-qhuav, cov khoom siv tua hluav taws, kev kub ntxhov " qhov chaw daim pam", DustBusters, cochlear implants, LZR Racer swimsuits, thiab CMOS duab sensors.
Pom zoo:
Vim li cas qhov tseem ceeb ntawm qhov tseem ceeb?
Thaum koj pom tus nqi kiag li hauv qhov teeb meem lossis qhov sib npaug, nws txhais tau hais tias txhua yam nyob hauv tus nqi tiag tiag yog qhov zoo. Cov txiaj ntsig tsis zoo feem ntau siv rau hauv cov teeb meem cuam tshuam nrog kev nyob deb thiab qee zaum siv nrog qhov tsis sib xws. Qhov ntawd yog qhov tseem ceeb uas yuav tsum nco ntsoov nws zoo li qhov deb ntawm xoom
Vim li cas thiaj tseem ceeb heev rau cov neeg nyob hauv thaj chaw los kawm txog cov pejxeem ntawm ib lub tebchaws?
Vim cov pej xeem muaj kev cuam tshuam loj heev rau peb lub neej, nws yog ib feem tseem ceeb ntawm thaj chaw.Geographers uas kawm tib neeg cov pej xeem tshwj xeeb tshaj yog nyiam cov qauv uas tshwm sim dhau sijhawm. Lawv kawm cov ntaub ntawv xws li muaj pes tsawg tus neeg nyob hauv ib cheeb tsam, yog vim li cas tib neeg nyob qhov twg lawv ua, thiab cov pej xeem hloov pauv li cas
Vim li cas rhiab heev yog qhov tseem ceeb rau cov khoom muaj sia?
Cov khoom muaj sia nyob muaj kev nkag siab rau lawv ib puag ncig. Kev nkag siab zoo yog qhov tseem ceeb vim tias nws tso cai rau cov khoom muaj sia mus ntes thiab teb rau cov xwm txheej hauv ntiaj teb nyob ib puag ncig lawv
Yuav ua li cas yog vim li cas tus qauv ntawm ib qho enzyme tseem ceeb heev rau nws txoj haujlwm hauv cov khoom muaj sia?
Enzymes ua kom cov tshuaj tiv thaiv uas tshwm sim hauv cov hlwb. Qhov kev ua haujlwm no cuam tshuam ncaj qha rau lawv cov qauv, nrog rau txhua qhov enzyme tau tshwj xeeb zoo li tus ua kom muaj zog rau ib qho tshuaj tiv thaiv. Kev poob ntawm cov qauv ua rau poob haujlwm. - Kub, pH, thiab kev tswj cov molecules tuaj yeem cuam tshuam rau kev ua haujlwm ntawm cov enzymes
Vim li cas qhov chaw saum npoo rau qhov sib piv ntawm qhov tseem ceeb?
Qhov chaw rau qhov ntim qhov piv yog qhov tseem ceeb vim tias, raws li lub hnub nyoog ntawm tes thiab tsim cov khoom tseem ceeb xws li cov proteins nws loj tuaj. Cell tau loj dua, yog li nws qhov ntim tau loj dua, tab sis hmoov tsis zoo li ntim, thaj chaw ntawm lub xov tooj tsis tau loj dua sai