Video: Yuav ua li cas cov kab mob tsim carbon films?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov kab mob tsim carbon film thaum sediments npog lub kab mob thiab lwj ntawm kab mob daim ntawv hollow. EXPLANATION: Thaum ib kab mob yog them los ntawm sediment, nws pib lwj. Lub hollow daim ntawv nyob rau hauv sediment yog lub carbon zaj duab xis uas muaj qhov hu ua fossils ntawm kab mob.
Yog li ntawd, yuav ua li cas cov kab mob tsim carbon films quizlet?
Fossils feem ntau daim ntawv thaum cov av faus neeg tuag kab mob . Raws li sediment piles, lub lub cev seem yog raug rau siab thiab kub. Cov xwm txheej no yuam kom cov pa roj thiab cov kua dej tawm hauv lub cev. Ib nyias zaj duab xis ntawm carbon residue yog sab laug, tsim ib silhouette ntawm tus thawj kab mob npe a carbon zaj duab xis.
Ib yam li ntawd, carbon films khaws cia li cas? Vim carbon films feem ntau yog tshuav los ntawm cov qauv khaws cia Nyob rau hauv lub cev ntawm dej, cov pob txha feem ntau yog cov ntses, crustaceans, thiab nplooj. Cov qauv no tej zaum nkim thiab ua raws li pob zeb hauv qab lub cev ntawm cov dej qeeb qeeb uas lawv tau tso cai kom nyob twj ywm tsis yog raug ripped lossis crushed los ntawm ib qho tam sim no.
Ib yam li ntawd, koj tuaj yeem nug, cov kab mob ua li cas cov kab mob ua rau cov kab mob ua pa roj carbon monoxide hloov mus rau hauv cov pob zeb seem ntawm cov pob zeb thaum cov kab mob decay hollow forms tshuav nyob rau hauv sediment los ntawm decaying organisms tawm pov thawj ntawm lawv cov dej num xws li hneev taw?
Thaum ib kab mob hloov mus rau hauv pob zeb , peb hu nws pertrifaction. Thaum twg Cov ntaub ntawv hollow yog tshuav nyob rau hauv sediment los ntawm decaying kab mob lawv daim ntawv cov ntaub ntawv tsim nyog rau tau molded thaum cov ntaub ntawv ncuav rau lawv. Qee cov fossils qhia pwm ntawm tus seem ntawm lwj nyuaj ib feem ntawm kab mob.
Dab tsi yog qhov txhais ntawm carbon films?
Cov yeeb yaj kiab carbon yog nyias zaj duab xis coatings uas muaj feem ntau ntawm cov tshuaj lom neeg carbon . Lawv suav nrog plasma polymer zaj duab xis , amorphous carbon films (zoo li pob zeb diamond carbon , DLC), CVD pob zeb diamond cov yeeb yaj kiab zoo li graphite zaj duab xis . Lawv muab tso rau hauv daim ntawv ntawm nyias zaj duab xis nrog zaj duab xis thickness tsuas yog ob peb micrometers.
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