2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Efflorescence yog tus txheej txheem ntawm kev poob dej ntawm hydration los ntawm hydrate. … Ib qho piv txwv zoo ntawm efflorescence tuaj yeem pom nyob rau hauv qhov kev hloov ntawm cov tsos ntawm tooj liab sulfate crystals raug rau huab cua. Thaum freshly crystallized, tooj liab (II) sulfate pentahydrate crystals yog translucent xiav.
efflorescence yog dab tsi nrog piv txwv?
Efflorescence yog cov cuab yeej ntawm qee yam khoom kom poob tag nrho, lossis ib nrab ntawm lawv cov dej ntawm crystallization thaum lawv cov muaju raug rau huab cua qhuav txawm tias luv luv. Piv txwv li: Ntsuag soda, Glauber's ntsev, Epsom ntsev.
txhais li cas los ntawm efflorescence?
Efflorescence yog a deposits ntawm ntsev, feem ntau yog dawb, tsim rau ntawm ib tug nto, cov tshuaj tau tshwm sim nyob rau hauv cov tshuaj los ntawm nyob rau hauv lub pob zeb los yog masonry thiab tom qab precipitated los ntawm evaporation.
piv txwv ntawm efflorescence ntsev yog dab tsi?
Piv txwv li, vim tias lub vapor pressures ntawm kev ntxuav dej qab zib (Na2CO3·10H2 O) thiab Glauber's ntsev (Na 2SO4·10H2 O) ib txwm tshaj li ntawm cov dej vapor nyob rau hauv qhov chaw, cov ntsev effloresce (piv txwv li, poob tag nrho los yog ib feem ntawm lawv cov dej ntawm hydration), thiab lawv qhov chaw xav tias ib tug powdery tsos. …
Efflorescent ntsev muab ob qho piv txwv yog dab tsi?
2]Gypsum (CaSO4. 2H2O) yog cov khoom hydrate uas, nyob rau hauv ib qho chaw qhuav txaus, yuav tso nws.dej mus rau theem roj thiab tsim anhydrite (CaSO4). 3]Copper(II) sulfate (bluestone) (CuSO4.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi yog qhov txawv ntawm qhov piv txwv thiab piv txwv?
Yog lub ntsiab lus tsis yog "literal" (raws li sau), ces nws yog "figurative". Cov lus "Figurative" tuaj yeem suav nrog cov lus piv txwv, cov lus piv txwv, puns, exaggerations (hyperbole), thiab lwm yam. Puas yog piv txwv thiab piv txwv zoo ib yam?
Qhov twg hauv qab no yog cov piv txwv piv txwv?
Qee yam piv txwv ntawm cov piv txwv piv txwv yog daim duab qhia chaw, duab, duab kos, cov npe sib txuas, thiab cov kab kos. Dab tsi yog qhov piv txwv? Cov sawv cev Analogical ntes qee tus yam ntxwv ntawm qhov lawv sawv cev; symbolic sawv cev tsis muaj kev sib raug zoo rau qhov lawv sawv cev.
Piv txwv thiab qhov sib piv yog dab tsi?
Piv txwv li, yog tias koj xav tsom mus rau qhov sib piv ob yam koj yuav tsis xaiv apples thiab txiv kab ntxwv; es, koj tuaj yeem xaiv los sib piv thiab sib piv ob hom txiv kab ntxwv lossis ob hom txiv apples kom pom qhov sib txawv me ntsis. Piv txwv li, Red Delicious apples qab zib, thaum Granny Smiths yog tart thiab acidic.
Cov piv txwv ntawm hiav txwv epicontinental yog dab tsi?
Ntau yam tam sim no North America tau npog los ntawm lub hiav txwv epicontinental hu ua Lub Sundance Hiav Txwv Sundance Hiav Txwv Sundance yog lub hiav txwv epeiric uas muaj nyob rau hauv North America thaum nruab nrab mus rau lig Jurassic Period ntawm Mesozoic Era.
