Cov txheej txheem:
- Yuav ua li cas ntawm cov yeeb nkab hauv lub cev yog dab tsi?
- Qhov tseem ceeb ntawm cov kav dej qhib yog dab tsi?
- Dab tsi yog qhov sib piv ntawm cov yeeb nkab qhib lub cev?
- Yuav ua li cas kaw lub cev?
Video: Nyob rau hauv lub cev kaw cov yeeb nkab qhov zaus ntawm qhov tseem ceeb?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kaw lub cev yeeb nkab yog ib qho uas tsuas yog ib qho kawg qhib thiab lwm qhov yog kaw thiab suab dhau. Tam sim no, rau lub cev kaw cov yeeb nkab, qhov tseem ceeb zaus tau muab ν=v4L, qhov 'v' yog qhov nrawm ntawm lub suab hauv nruab nrab ntawm lub cev yeeb nkab thiab 'L' yog qhov ntev ntawm cev.
Yuav ua li cas ntawm cov yeeb nkab hauv lub cev yog dab tsi?
Qhov tseem ceeb ntawm cov kav dej qhib lub cev yog 300 Hz. Thawj overtone ntawm cov yeeb nkab muaj qhov zaus tib yam li thawj zaug ntawm cov yeeb nkab kaw.
Qhov tseem ceeb ntawm cov kav dej qhib yog dab tsi?
Qhov tseem ceeb ntawm cov kav dej qhib yog 30 Hz.
Dab tsi yog qhov sib piv ntawm cov yeeb nkab qhib lub cev?
(b) Qhib lub cev yeeb nkab
Qhov no yog thawj lub suab lossis qhov thib ob sib haum xeeb. Yog li qhov zaus ntawm Pth overtone yog (P + 1) n1 qhov twg n1 yog yooj yim zaus. Lub frequencies ntawm harmonics yog nyob rau hauv qhov ratio ntawm 1: 2: 3.
Yuav ua li cas kaw lub cev?
Lub cev cov yeeb nkab uas ib kawg qhib thiab lwm qhov kawg kaw yog hu ua cov yeeb nkab. Lub raj mis, xuav, thiab lwm yam yog cov piv txwv ntawm cov yeeb nkab kaw.
Pom zoo:
Leej twg lub cev nyob rau hauv lub qab nthab nyob rau hauv keeb kwm?
Charlie lub taub hau raug txiav tawm, yog li lub cev ntawm pog– muab tso rau hauv Graham lub tsev pheeb suab los ntawm cov tswv cuab ntawm kev ntseeg - zoo li decapitated, thiab Annie, thaum muaj kev cia siab, pom ntab rau hauv rafters thiab txiav nws lub taub hau tawm (lub sijhawm uas tau muab rau kuv npau suav phem tshaj plaws) .
Yuav ua li cas haus luam yeeb hauv cov yeeb nkab kev thaj yeeb?
Cov pab pawg sab hnub tuaj haus luam yeeb. Tawm sab hnub poob, cov pab pawg neeg haus luam yeeb kinnikinnick-tam sim no nrog tshuaj ntsuab, tawv ntoo thiab tsob nroj teeb meem . Yuav ua li cas haus luam yeeb hauv kev sib haum xeeb? Tobacco, Nicotiana rustica, yog thawj zaug siv los ntawm cov pab pawg sab hnub tuaj, tab sis cov pab pawg sab hnub poob feem ntau sib xyaw nrog lwm cov tshuaj ntsuab, tawv ntoo, thiab cov nroj tsuag teeb meem, hauv kev npaj feem ntau hu ua
Nyob rau hauv lub qhov ncauj qhov chaw ntawm kab laum lub cev ntawm mastication yog?
Teb tiav: Cov mandibles yog kab rov tav txhav chitin-ua qauv uas yog hinged rau kab laug sab pob txha taub hau. Cov no txav mus zom thiab zom cov zaub mov rau hauv me me nyob rau hauv txoj kab rov tav thiab feem ntau hu ua kab laum lub puab tsaig .
Qhov chaw ntawm cov pob txha zoo li lub ntsej muag nyob rau hauv tib neeg lub cev nyob qhov twg?
Qhov chaw ntawm cov pob txha zoo li lub ntsej muag nyob rau hauv tib neeg lub cev nyob qhov twg? Cov pob txha 'lunate' yog qhov txawv ntawm nws qhov sib sib zog nqus concavity thiab crescentic qauv. Nws nyob nyob rau hauv kab sib thooj ntawm carpals ntawm lub lateral 'scaphoid' thiab medial 'triquetral triquetral Lub triquetral pob txha (/traɪˈkwɛtrəl, -ˈkwiː-/;
Nyob rau hauv ib qho alternator qhov zaus ntawm voltage generated nyob ntawm?
Cov zis zaus ntawm lub tshuab hloov pauv yog txiav txim siab los ntawm ob yam, rotor ceev thiab tus lej ntawm tus ncej . Ntawm dab tsi yog qhov generated alternator voltage nyob ntawm seb? Lub tshuab hluav taws xob tsuas yog muab lub zog tawm raws li qhov xav tau los ntawm qhov system.
