Video: Vim li cas LA thiaj muaj smog?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yog vim li cas smog cov ntaub ntawv muaj vim hais tias lub nroog nyob rau hauv ib tug tsawg phiab puag ncig los ntawm lub roob, nrog ntau lab lub tsheb thiab cov chaw muaj spewing emissions rau saum huab cua. Tab sis ua tsaug rau lub xeev nruj dua thiab tsoomfwv cov qauv huab cua zoo, L. A . cov neeg nyob hauv tuaj yeem ua pa yooj yim dua li lawv tau ua tau ntau xyoo lawm.
Ib yam li ntawd, dab tsi ua rau smog hauv Los Angeles?
Hauv Los Angeles , smog yog tshwm sim los ntawm cov txheej txheem tshuaj tiv thaiv uas xav tau lub hnub ci. Thaum lub hnub ua lub luag haujlwm hauv tshuaj lom neeg, cov tshuaj tiv thaiv hu ua photochemical reactions. Smog tsim nyob rau hauv txoj kev no yog hu ua photochemical smog . hydrogen thiab carbon atoms.
Kuj Paub, LA smog yog dab tsi? Los Angeles (photochemical) smog . Hom huab cua muaj kuab paug tshwm sim los ntawm qib siab ntawm ozone thiab tsis pom kev, feem ntau pom hauv cov nroog nyob hauv hav (piv txwv li, Los Angeles , Denver, Mexico City). Lub degradation nyob rau hauv visibility yog txuam nrog lub teeb scattering vim hais tias muaj feem xyuam.
Tom qab ntawd, lo lus nug yog, LA puas tseem muaj smog?
Huab cua yog tam sim no ntau huv si. Tab sis Los Angeles tseem muaj qhov phem tshaj smog hauv lub tebchaws, raws li American Lung Association's 2018 State of the Air report. (Ib zaug ntxiv, cov kws tshawb fawb hu smog "ozone." Tab sis lawv yog tib yam). Hnub uas huab cua zoo tshaj 2015 tseem fwv ozone tus qauv ntawm 0.070 ppm.
Yuav ua li cas muaj kuab paug LA?
Cua ua paug hauv Los Angeles tau ua rau muaj kev txhawj xeeb thoob plaws. Nyob rau hauv 2013, lub Los Angeles -Long Beach-Riverside cheeb tsam ranked 1st feem ntau ozone- qias neeg nroog, 4th feem ntau qias neeg nroog los ntawm txhua xyoo particle ua paug , thiab 4th feem ntau qias neeg nroog los ntawm 24-teev particle ua paug.
Pom zoo:
Vim li cas thiaj tsis muaj nqi hauv tus neeg xyuas pib?
Tsis tas li ntawd, lub teb hluav taws xob hauv ib tus neeg xyuas pib yog xoom. (Qhov no, kuj, yog vim lub free txav ntawm tsub nqi. Yog hais tias muaj ib tug net hluav taws xob teb nyob rau hauv, cov nqi yuav rearrange vim hais tias ntawm nws, thiab tshem tawm nws tawm. tus thawj coj
Vim li cas sulfur hexafluoride thiaj li muaj cov duab octahedral?
Sulfur hexafluoride muaj lub hauv paus sulfuratom nyob ib puag ncig uas ib tus tuaj yeem pom 12 electrons lossis 6 electronpairs. Yog li, SF6 electron geometry yog suav tias yog beoctahedral. Tag nrho F-S-F daim ntawv cog lus yog 90 degrees, thiab nws tsis muaj ib khub
Vim li cas thiaj muaj ntau lub roob hluav taws hauv New Mexico?
Ntau lub roob hluav taws hauv New Mexico tau tsim los ntawm Rio Grande rift, Fischer tau hais. Lub crust ntawm qhov rift yog thinner, ua geological kev ua ub no muaj kev cuam tshuam ntau dua rau saum npoo av. Ntawm no, magma yog ze rau ntawm qhov chaw
Puas muaj peev xwm hluav taws xob thiab lub zog muaj peev xwm tib yam Vim li cas lossis vim li cas ho tsis?
Lub zog muaj peev xwm hluav taws xob Ue yog lub zog muaj peev xwm khaws cia thaum cov nqi tawm ntawm qhov sib npaug (xws li lub zog muaj peev xwm gravitational). Lub peev xwm hluav taws xob zoo ib yam, tab sis ib tus nqi, Ueq. Ib qho hluav taws xob muaj peev xwm sib txawv ntawm ob lub ntsiab lus hu ua voltage, V = Ue2q−Ue1q
Yuav ua li cas muaj pes tsawg tus noob sib xyaw ua tau hauv gamete ntau lawm rau Dihybrid cross Vim li cas thiaj muaj ntau?
Muaj peev xwm gametes rau txhua tus niam txiv AaBb Txij li thaum txhua tus niam txiv muaj plaub qhov sib txawv ntawm cov alleles hauv gametes, muaj kaum rau kev sib txuas ua ke rau tus ntoo khaub lig no