Thaum nws los txog rau iav, ib tug yuav xav tias dab tsi teeb iav rods thiab iav raj sib nrug. Ob lub iav rods thiab iav raj yog ua los ntawm tib yam khoom - iav, tab sis lawv txawv ntawm lawv cov duab thiab daim ntawv thov. Hauv tsab ntawv blog no, peb yuav tshawb txog qhov sib txawv ntawm iav rods thiab iav raj, thiab lawv cov kev siv.
Cov iav raj yog cylindrical nyob rau hauv cov duab thiab muaj ib tug hollow sab hauv. Lawv feem ntau siv nyob rau hauv lub chaw soj nstuam rau ntau yam kev siv xws li khaws cia thiab thauj cov kua, roj chromatography, thiab ntsuas roj thiab cov qauv ua kua. Tsis tas li ntawd, cov iav raj tuaj yeem txiav rau hauv me me ntev thiab siv los ua cov raj rau kev sim. Cov iav raj kuj tseem siv rau hauv kev tsim cov txheej txheem ntawm cov cuab yeej tshwj xeeb xws li ntsuas kub, ntsuas ntsuas, thiab lub tshuab nqus tsev.
Ntawm qhov tod tes, iav rods yog cylindrical lossis duab plaub hauv cov duab thiab muaj cov khoom siv sab hauv. Lawv feem ntau siv rau hauv kev sim kev tshawb fawb xws li nplawm cov cuab yeej, pipettes, thiab tuav cov qauv ntawm cov kua lossis cov khib nyiab. Cov iav rods feem ntau yog siv los ua cov ncej hauv cov iav ntsuas kub thiab ua cov khoom hauv cov khoom siv hluav taws xob.
Ib qho ntawm qhov sib txawv ntawm cov iav rods thiab iav raj yog lawv cov thickness. Cov iav rods zoo li tuab dua li cov iav raj vim lawv feem ntau siv los txhawb lossis tuav cov khoom hnyav dua, thaum lub iav raj yog nyias thiab hloov tau, ua rau lawv tsim nyog rau kev sim hauv chav kuaj. Tsis tas li ntawd, cov iav rods muaj qhov ruaj khov dua li cov iav raj vim tias lawv tsis tshua muaj kev nyiam tawg vim lawv cov qauv khoom.
Hais txog kev tsim khoom, cov iav raj tuaj yeem ua rau ntau qhov ntau los ntawm cov txheej txheem hu ua tshuab. Nyob rau hauv cov txheej txheem no, iav yog rhuab thiab ces zoo li lub tshuab cua los ntawm nws. Cov iav rods, txawm li cas los xij, yog tsim los ntawm rub, qhov twg iav rhuab yog rub mus rau hauv ib lub pas nrig zoo siv cov cuab yeej tshwj xeeb.
Hauv kev xaus, thaum iav rods thiab iav raj zoo ib yam ntawm cov khoom siv, lawv txawv ntawm cov duab, daim ntawv thov, thiab kev tsim khoom. Cov iav raj feem ntau yog siv rau hauv chav kuaj rau cov kua lossis roj tsheb thauj mus los thiab kev sim, thaum iav rods yog siv los ua cov khoom siv hauv kev tshawb fawb thiab tuav cov qauv. Kev nkag siab qhov sib txawv ntawm ob hom khob iav no tuaj yeem pab xaiv cov cuab yeej tsim nyog rau ib qho kev sim lossis daim ntawv thov.