2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Rau cubic coordination tus nqi ntawm lub vojvoog piv yog 0.
Tus nqi ntawm lub vojvoog piv yog dab tsi?
Tus nqi ntawm lub vojvoog piv rau octahedral geometry yog dab tsi? Rau octahedral geometry, lub vojvoog piv yog nyob rau hauv qhov ntau 0.414-0.732.
Yuav ua li cas lub vojvoog piv txoj cai?
Qhov piv ntawm lub vojvoog ntawm cation rau anion yog hu ua vojvoog piv. Nyob rau hauv condensed teeb meem physics thiab inorganic chemistry qhov cation-anion radius ratio (tseem: radius ratio txoj cai) yog qhov piv ntawm ionic radius ntawm cation rau ionic radius ntawm anion nyob rau hauv ib tug cation-anion compound.
Lub vojvoog piv thiab kev sib koom tes yog dab tsi?
Ib lub qauv siv lead ua yog txiav txim siab los ntawm qhov piv ntawm ionic radii ntawm nws cov khoom. Qhov piv no coordinates tus naj npawb ntawm cov ions me me. … Tus naj npawb ntawm cov neeg nyob ze tshaj plaws yog tus lej sib koom tes ntawm lub hauv paus ion. Tus lej no nyob ntawm qhov radii ntawm ions thiab vojvoog piv ntawm ob ions.
Lub vojvoog piv yog dab tsi hauv lub xeev ruaj khov?
piv ntawm lub vojvoog ntawm cations (r+) rau lub vojvoog ntawm anion (r–) yog lub npe hu ua lub vojvoog piv ntawm cov khoom ionic. Qhov tseem ceeb ntawm lub vojvoog piv: Nws yog qhov tseem ceeb hauv kev kwv yees cov qauv ntawm ionic solids. … Ntau dua lub vojvoog piv, ntau dua yog qhov sib koom tes ntawm cations thiab anions.
Pom zoo:
Leej twg piv tus qauv tsim ntawm lub ntiaj teb / lub ntiaj teb rau lub moos?
Cov lus sib cav tsim qauv Kev sib cav lus sib cav (los ntawm τέλος, telos, 'kawg, aim, lub hom phiaj'; tseem hu ua physico-theological sib cav, sib cav los ntawm kev tsim, lossis kev sib cav tsim ntse) yog ib qho kev sib cav rau qhov muaj nyob ntawm Vajtswv los yog, feem ntau, qhov kev ua haujlwm nyuaj hauv lub ntiaj teb ntuj tsim uas zoo li tsim yog pov thawj ntawm kev txawj ntse … https:
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Nyob hauv cov qauv fluorite yog lub vojvoog piv?
Nrog lub vojvoog piv ntawm 0.929 (qhov tseem ceeb sib koom ua ke), cov ion me me yuav tsum nyiam lub qhov cubic. Cov duab hauv qab no qhia txog cov qauv ntawm fluorite. Cov qauv siv lead ua ntawm fluorite yog dab tsi? Nws muaj lub cubic siv lead ua nrog lub cev-chav qauv.
Lub vojvoog ntawm lub foob pob nuclear yog dab tsi?
Nyob rau hauv cov huab cua ib txwm tawg, qhov chaw tawg ntau tshaj plaws los ua qhov loj tshaj plaws ntawm kev puas tsuaj loj tshaj plaws, piv txwv li qhov ntau tshaj plaws uas ~ 10 psi (69 kPa) ntawm lub siab yog txuas ntxiv, yog GR / av ntau.
Leej twg tsim lub tswv yim ntawm tus nqi ntxiv rau tus nqi?
Teb: jain, Sudhir (2006). Nqe lus piav qhia: Tus nqi-ntxiv tus nqi yog xam los ntawm kev ntxiv cov khoom siv, kev ua haujlwm, thiab cov nqi siv nyiaj siv ua haujlwm thiab muab faib los ntawm (1 + tus lej cim). Tus nqi ntxiv yog dab tsi?
