2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Muaj tsib txoj kev tshawb nrhiav qhov tseeb:
- Kev tshuaj xyuas cov ntaub ntawv.
- Kev xam phaj.
- Saib kev lag luam hauv kev nqis tes ua.
- Kev Tshawb Fawb.
- Questionnaires.
Qhov twg hauv qab no yog qhov tseeb nrhiav cov tswv yim tseem ceeb tshaj plaws hauv kev sau cov ntaub ntawv kom muaj nuj nqis?
Yog vim li cas: Cov txheej txheem tshawb nrhiav qhov tseeb tshaj plaws rau kev sau cov ntaub ntawv ntau yog cov lus nug.
nrhiav qhov tseeb yog dab tsi?
: kev ua lossis txheej txheem ntawm kev txiav txim siab qhov tseeb thiab feem ntau cov teeb meem cuam tshuam rau hauv rooj plaub, qhov xwm txheej, lossis kev sib raug zoo tshwj xeeb: ib txoj hauv kev daws teeb meem kev ua haujlwm uas tsis ncaj ncees rau qhov tseeb tuav lub rooj sib hais thiab los ntawm cov pov thawj sib sau ua kev txiav txim siab txog qhov tseeb thiab cov teeb meem ntawm qhov kev tsis sib haum xeeb thiab …
Qhov tseeb nrhiav thiab muab piv txwv li cas?
Nrhiav qhov tseeb yog txhais tias yog sau cov ntaub ntawv thiab txheeb xyuas cov ntsiab lus tseem ceeb. Ib qho piv txwv ntawm kev tshawb nrhiav qhov tseeb yog thaum tus kws lij choj tab tom tshawb xyuas rooj plaub rau nws tus neeg thov thiab xam phaj cov pov thawj los sim ua ua ke.
Qhov tseeb nrhiav yog vim li cas thiaj tseem ceeb?
Nrhiav qhov tseeb pab peb txheeb xyuas seb tus neeg yuav muaj peev xwm them taus npaum li cas thiab txaus siab siv. Qhov kev paub ntawd tuaj yeem pab zam lossis tshem tawm qhov kev tawm tsam thiab ua kom muaj kev vam meej ntau dua. Kev nrhiav qhov tseeb thiab kev xav nrhiav kev sib thamfeem ntau nthuav tawm cov teeb meem uas tus neeg siv khoom xav tau zoo txog - ob qho tib si zoo thiab tsis zoo.
Pom zoo:
Dab tsi yog txheej txheej txheej txheem nyob rau hauv lub ntiaj teb?
Lub neej muaj txheej txheem ntawm lub ntiaj teb yog the Biosphere. Lub neej muaj dabtsi? Cov kabmob lub neej yog qhov tseem ceeb ntawm lub sijhawm ntev ntawm cov kabmob tuaj yeem xav tau ua raws li qhov xav tau hauv kev ua haujlwm ua ntej tau teev tseg.
Cov txheej txheem huab cua twg muaj txheej txheej ozone?
Feem ntau atmospheric ozone yog concentrated nyob rau hauv ib txheej nyob rau hauv the stratosphere, li ntawm 9 txog 18 mais (15 mus rau 30 km) saum lub ntiaj teb nto (saib daim duab hauv qab). Ozone yog ib qho molecule uas muaj peb lub atoms oxygen.
Qhov twg yog qhov zoo tshaj plaws los piav txog cov txheej txheem ntawm cov protein synthesis?
RNA txav DNA code mus rau ribosomes rau protein synthesis yog txoj hauv kev zoo tshaj los qhia txog cov txheej txheem ntawm cov protein synthesis…. Dab tsi xaus cov txheej txheem ntawm cov protein synthesis? Protein synthesis yog txheej txheem uas cov hlwb ua cov protein.
Qhov twg ob ntawm cov txheej txheem koom nrog hauv qab no yog autogenous?
Autogenous Vuam: Cov txheej txheem ntawm kev koom nrog cov hlau zoo sib xws los ntawm melting cov npoo ua ke, tsis tas yuav ntxiv cov khoom siv hlau. Ex. Sib Nqus Vuam, Diffusion Vuam, Laser Beam Vuam, Electron beam welding, Resistance Vuam.
Rau cov txheej txheem lossis cov txheej txheem?
Cov txheej txheem yog feem ntau yog ntau lub npe hais txog cov qauv uas tuaj yeem txiav txim siab. Nws cov lus yog cov qauv, tab sis cov pov thawj qhia tau tias cov txheej txheem feem ntau raug siv los ua cov lus thiab ntau ntau, zoo li cov ntaub ntawv thiab cov txheej txheem thiab lawv cov lus siv tsawg dua cov ntaub ntawv thiab cov txheej txheem.
