Ntawm rayleigh nthwv dej tshaj tawm?

Cov txheej txheem:

Ntawm rayleigh nthwv dej tshaj tawm?
Ntawm rayleigh nthwv dej tshaj tawm?
Anonim

Rayleigh nthwv dej tawm sab nraud los ntawm qhov chaw nruab nrab ntawm av qeeg taug kev raws lub ntiaj teb ntawm li 10 npaug ntawm qhov nrawm ntawm lub suab hauv huab cua (0.340 km / s), uas yog ~ 3 km / s.

Koj pom qhov nrawm ntawm Rayleigh nthwv dej li cas?

Yog li, lub hauv paus Rayleigh muab los ntawm qhov sib npaug (7) c=m=30.876 − 14.876 ν − 224.545376 ν 2 − 93.122752 ν + 124.577376 the eigh of the − 1, yl. vuag yog muab los ntawm cR=c2c.

Vim txoj kev hlub yog dab tsi?

Kev hlub-yoj theem nrawm dua li Rayleigh-wave theem nrawm rau lub sijhawm qis dua li ntawm 120 s thiab qhia qhov nce ntxiv nrog lub sijhawm (saib, piv txwv li Tshooj 3.2).

Tus yam ntxwv ntawm Rayleigh yoj yog dab tsi?

Rayleigh nthwv dej yog lub nthwv dej thib ob uas ua los ntawm qis zaus thiab lub zog muaj zog, nthuav tawm feem ntau raws qhov cuam tshuam ntawm nruab nrab thiab nrawm ntawm lub zog nrog kev nce hauv kev sib txuas. Ib yam li qhov cuam tshuam yoj thiab refracted yoj, Rayleigh nthwv dej kuj muaj cov ntaub ntawv geological subsurface.

Koj txhais li cas los ntawm Rayleigh nthwv dej?

Ib Rayleigh nthwv dej yog a seismic nto nthwv dej ua rau hauv av co hauv ib qho elliptical motion, tsis muaj kev sib hloov, lossis kev txav mus los.

Pom zoo:

Nthuav cov khoom
Thaum twg yog lub npe hu ua neologism?
Nyeem ntxiv

Thaum twg yog lub npe hu ua neologism?

Thaum twg yog lub npe hu ua neologism? Thaum ib tug eponym (ib lo lus raws li lub npe ntawm ib tug neeg los yog ib qho chaw) yog siv los ua ib lo lus tshiab nyob rau hauv cov lus, nws yog ib tug neologism. Thaum Earl ntawm Sandwich cov phooj ywg pib hu nws cov khoom noj txom ncauj tshiab "

Cov ntshav oxygenated los ntawm qhov twg?
Nyeem ntxiv

Cov ntshav oxygenated los ntawm qhov twg?

Lub plawv muaj plaub chav uas cov ntshav ntws. Ntshav nkag mus rau sab xis atrium thiab dhau los ntawm txoj cai ventricle. Lub ventricle txoj cai tso cov ntshav mus rau lub ntswsqhov uas nws ua oxygenated. Cov ntshav oxygenated tau coj rov qab mus rau lub plawv los ntawm cov hlab ntsha pulmonary uas nkag mus rau sab laug atrium.

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?
Nyeem ntxiv

Koj puas tuaj yeem thov aia ntawm cov khoom tsis muaj nqis?

Nws yuav muaj txiaj ntsig zoo rau kev xaiv tsa raws li s815 CTA 2009 yog tias thov cov peev nyiaj pab yuav muab kev pab sai dua li txiav tawm cov nqi txiav tawm lossis cov nqi cuam tshuam raug lees paub hauv cov nyiaj (piv txwv li, vim tias Nyiaj Txiag Nyiaj Txiag Txhua Xyoo (AIA) yuav them.