2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub tuam txhab ntau tshaj plaws yog factories.
Qhov ntau npaum li cas rau lub Hoobkas?
noun. fac·to·ry | / ˈfak-t(ə-)rē / plural factories.
Dab tsi yog qhov ntau tshaj ntawm kev lag luam?
kev lag luam. npe. in·dus·try | \ˈin-də-strē / plural industries.
Puas yog cov chaw ua haujlwm muaj npe?
Nouns yog ib pab pawg neeg ntawm cov lus, thiab lawv yog nquag heev hauv lus Askiv. Cov npe yog ib pawg ntawm cov lus uas txhais cov khoom-lub npe ntawm tib neeg (Dr. Sanders, kws lij choj), qhov chaw (Kansas, Hoobkas, tsev), yam khoom (txiab, ntawv suab paj nruag, phau ntawv), lossis tswv yim (kev hlub, qhov tseeb, kev zoo nkauj, kev txawj ntse).
Lub npe rau lub Hoobkas yog dab tsi?
A kev lag luam, tshwj xeeb yog tsim los ntawm cov tub lag luam ua haujlwm nyob txawv teb chaws. Txoj hauj lwm los yog lub xeev ntawm kev ua ib yam. Ib lub tsev lossis lwm qhov chaw uas tsim khoom siv. Ib yam khoom uas tsim los yog tsim ib yam dab tsi.
Pom zoo:
Puas yog cov neeg tsim khoom lossis cov neeg siv khoom?
Daim duab qhia txog lub luag haujlwm tseem ceeb uas microbes xws li algae, cyanobacteria thiab cov decomposers, ua si thawj cov tsim khoomthiab hauv kev caij tsheb kauj vab. Puas yog cov microbes tsim lossis cov neeg siv khoom? Tab sis ntau yam kab mob tsis yog neeg tsim khoom thiab ua tsis tau lawv tus kheej cov zaub mov.
Los ntawm cov khoom tsim thaum lub sij hawm tsim cov bakelite yog?
Nyob rau hauv rooj plaub ntawm bakelite phenol thiab formaldehyde condense los tsim cov monomer muab H2O raws li cov khoom lag luam. Bakelite tseem hu ua co-polymer. Cov tshuaj tiv thaiv: Phenol reacts nrog formaldehyde los tsim o-Hydroxy methyl phenol.
Puas yog cov roj chlorine yog cov khoom lossis cov khoom sib xyaw?
Chlorine yog nyob rau hauv pawg 17 ntawm lub sij hawm lub sij hawm, tseem hu ua lub halogens, thiab tsis pom raws li lub caij nyob rau hauv cov xwm - tsuas yog ib tug compound. Feem ntau ntawm cov no yog ntsev, los yog sodium chloride, thiab cov poov tshuaj compounds sylvite (los yog potassium chloride) thiab carnallite (potassium magnesium chloride hexahydrate).
Kev ua qhev puas cuam tshuam rau sab qaum teb cov tub lag luam thiab cov chaw tsim khoom?
Kev ua qhev tsis cuam tshuam rau sab qaum teb cov tub lag luam thiab cov tuam txhab. … Kev lag luam qhev sab hauv yog qhov tseem ceeb hauv kev txhawb nqa lub nceeg vaj paj rwb. Kev lag luam dab tsi cuam tshuam rau yav qab teb kev ua qhev rau sab qaum teb?
Puas yog cov nroj tsuag carnivorous yog cov tsim khoom lossis cov neeg siv khoom?
As producers, cov nroj tsuag tsim lub hauv paus ntawm yuav luag txhua cov khoom noj hauv ntiaj teb. Carnivorous nroj tsuag zoo li "tig rooj" thaum lawv ua raws li cov neeg siv khoom, gobbling kab, qav, thiab cov tsiaj me me. Puas yog Venus flytrap yog tus neeg siv khoom thiab tsim khoom?
