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Video: Dab tsi yog qhov sib xyaw ntawm lub tshuab tsom iav?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
A compound microscope yog ib qho cuab yeej siv los saib cov duab loj ntawm cov khoom me me ntawm iav swb. Lub hom phiaj lens lossis lub hom phiaj nyob rau ntawm lub qhov ntswg muaj qhov ntev focal ntev thiab nyob ze rau lub hom phiaj qhov khoom uas nws khaws lub teeb thiab tsom cov duab ntawm cov khoom mus rau hauv tsom iav.
Yog li ntawd, dab tsi yog qhov sib xyaw microscope siv rau?
Compound Microscopes Feem ntau, a compound microscope yog siv rau saib cov qauv ntawm qhov loj loj (40 - 1000x), uas yog ua tiav los ntawm kev sib xyaw ua ke ntawm ob lub lo ntsiab muag: lub ntsej muag lub ntsej muag (hauv lub qhov muag) thiab lub hom phiaj lo ntsiab muag (ze rau cov qauv).
Qhov thib ob, dab tsi yog qhov sib txawv ntawm lub tshuab microscope? Peb lub hauv paus, cov qauv tsim ntawm lub tshuab tsom iav yog lub taub hau, hauv paus thiab caj npab.
- Lub taub hau/Lub cev nyob hauv qhov chaw kho qhov muag nyob rau sab saud ntawm lub tshuab tsom iav.
- Lub hauv paus ntawm lub tshuab nqus tsev txhawb nqa lub tshuab nqus tsev thiab lub tsev lub teeb pom kev zoo.
- Caj npab txuas mus rau lub hauv paus thiab txhawb lub taub hau me me.
Nyob rau hauv no hais txog, dab tsi yog magnifications ntawm ib tug compound microscope?
Lub tshuab microscope feem ntau muaj peb lossis plaub qhov kev nthuav dav - 40x ib , 100x, 400x, thiab qee zaum 1000x. at 40 x kev nthuav dav koj yuav tuaj yeem pom 5mm.
Dab tsi yog qhov zoo ntawm kev siv tshuab microscope?
Yog li, tag nrho magnification nyob rau hauv a compound microscope yog ib txoj haujlwm ntawm lub hom phiaj magnification multiplied los ntawm eyepiece magnification. Cov qhov zoo ntawm muaj a compound lens system as opposed to ib tug yooj yim magnifier yog hais tias ntau dua magnifications yuav ua tau tiav nrog ob lo ntsiab muag es tsis yog ib tug.
Pom zoo:
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Yog, koj tuaj yeem ua tau. Koj cov tsom iav RX ib txwm tuaj yeem pleev xim rau ib qho xim uas koj xav tau thiab ua rau koj ib khub tsom iav tsom iav. Tsuas yog coj koj lub tsom iav mus rau lub khw muag khoom kho qhov muag hauv cheeb tsam thiab ua rau koj cov iav tsom iav. Nws yog qhov ua tau rau koj kom koj cov iav tsom iav tsis tu ncua
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Qhov sib piv: Lub tshuab tsom me me yog ua kom lub ntiaj teb me me pom rau tib neeg qhov muag. Txhawm rau ua qhov no kom tiav, tib neeg lub qhov muag yuav tsum muaj peev xwm pom qhov txawv ntawm ib qho piv txwv los ntawm nws ib puag ncig. Qhov sib piv zoo dua, nws yooj yim dua yog pom qhov sib txawv hauv cov duab
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Lub teeb tsom me me yooj yim siv lub lens ib leeg txhawm rau ua kom pom qhov khoom thiab tsis tuaj yeem mus txog qhov siab. Lub tshuab tsom iav sib xyaw siv ob lub teeb lo ntsiab muag - lub hom phiaj tsom iav thiab tsom iav - los tsim cov duab. Monocular microscopes muaj ib lub qhov muag, thaum tsom iav tsom iav muaj ob lub qhov muag thiab txo qhov muag
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COMPOUND MICROSCOPES thiaj li raug hu vim tias lawv tau tsim nrog cov kab ke sib xyaw ua ke. Lub hom phiaj lo ntsiab muag muab thawj qhov kev nthuav dav uas yog compounded (multiplied) los ntawm ocular lens (qhov muag)
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Lub teeb microscope. Tso cai rau lub teeb kom dhau los ntawm cov qauv thiab siv cov lo ntsiab muag los tsim cov duab. Lub hom phiaj lens. Thawj lub lens, nyob rau saum cov hnoos qeev. Lub lens no nthuav cov duab ntawm cov qauv