Video: Vim li cas Tuam Tshoj phaj siv hauv chemistry lab?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Suav zaub mov yog porcelin phaj uas yog siv hauv science chav kuaj rau kev sim. Peb siv Suav zaub mov nyob rau hauv peb cov txheej txheem kev sim los tsim ib qho kev daws teeb meem los yog cov khoom precipitate ntawm cov khoom yaj thiab kom evaporate cov kuab tshuaj ntau dhau.
Tsis tas li ntawd kom paub yog, dab tsi yog kev siv cov tais diav hauv chemistry?
Suav zaub mov (los yog evaporating tais ) yog glazed porcelain tais muaj nyob rau hauv ntau qhov ntau thiab tsawg. Lawv yog cov tuab thiab yog cov insulators zoo thiab tuaj yeem tiv taus qhov kub thiab txias. Nws mas siv rau boiling, evaporating daws thiab crystallization ntawm ntsev nyob rau hauv chemistry lab.
Tom qab ntawd, lo lus nug yog, vim li cas lub tais evaporating zoo dua lub beaker? Lub cim zoo ntawm evaporation tais diav pab hauv evaporation nyob rau hauv ob txoj kev: cov kua nyob rau hauv muaj ib tug loj deg cheeb tsam, speeding lub evaporation txheej txheem. Qhov qhib sab saum toj tso cai rau cov vapors dissipate thaum piv rau a ntau muaj daim iav zoo li ib khob or lub hwj.
Yog li ntawd, dab tsi yog qhov kev siv ntawm evaporating tais hauv chav kuaj?
Evaporating cov tais diav yog siv los evaporate cov kuab tshuaj ntau dhau - feem ntau cov dej - los tsim cov tshuaj concentrated los yog cov khoom precipitate ntawm cov khoom yaj. Feem ntau yog ua los ntawm cov plooj (porcelain) lossis borosilicate iav.
Leej twg tsim lub tais evaporating?
Pyrex muaj nws lub hauv paus pib thaum xyoo 1910, thaum Asmeskas lub tuam txhab iav Corning Glass Works pib nrhiav cov khoom tshiab los nthuav nws cov iav borosilicate, Nonex. Ntawm qhov kev tawm tswv yim ntawm Bessie Littleton, Corning tus kws tshawb fawb tus poj niam, lub tuam txhab pib tshawb xyuas Nonex rau bakeware.
Pom zoo:
Koj puas tuaj yeem khawb mus rau Tuam Tshoj?
Koj puas tuaj yeem khawb ib lub qhov rau Tuam Tshoj? Hauv kev xav, yog. Hauv kev xyaum, koj txoj kev mus los ntawm lub ntiaj teb yuav raug cuam tshuam los ntawm lub ntiaj teb lub molten core. Kuj tseem muaj qhov teeb meem ntawm kev nrhiav ib qho chaw rau txhua yam koj tab tom khawb los ua koj lub qhov
Vim li cas peb thiaj siv cov lej tseem ceeb hauv chemistry?
Cov lej tseem ceeb (tseem hu ua tus lej tseem ceeb) yog ib feem tseem ceeb ntawm kev suav lej tshawb fawb thiab lej, thiab cuam tshuam nrog qhov raug thiab raug ntawm cov lej. Nws yog ib qho tseem ceeb rau kev kwv yees qhov tsis paub tseeb ntawm qhov kawg tshwm sim, thiab qhov no yog qhov tseem ceeb ntawm cov duab los ua qhov tseem ceeb heev
Yuav ua li cas cov khoom siv caj ces hauv txhua lub xov tooj tshiab tsim los ntawm kev faib tawm ntawm tes sib piv nrog cov khoom siv caj ces hauv lub xov tooj qub?
Mitosis tshwm sim nyob rau hauv ob lub nuclei uas zoo tib yam rau thawj nucleus. Yog li, ob lub hlwb tshiab tsim tom qab kev faib tawm ntawm tes muaj tib yam khoom siv caj ces. Thaum lub sij hawm mitosis, chromosomes condense los ntawm chromatin. Thaum saib nrog lub microscope, chromosomes pom nyob rau hauv lub nucleus
Dab tsi yog lub luag haujlwm tseem ceeb ntawm forceps hauv chemistry lab?
Forceps. Siv los khaws lossis tuav cov khoom me me
Vim li cas cov tuam txhab siv fracking?
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