Kev siv cov yas dropper fwj

Ua ntej tshaj plaws, lub raj mis yas eyedropper yog yooj yim siv. Nws cov qauv yooj yim thiab kev ua haujlwm yooj yim tuaj yeem txo cov kua hauv lub raj reagent lossis petri phaj, kom tsis txhob muaj qhov yuam kev los ntawm txhais tes tsis sib xws.

Qhov thib ob, lub raj mis yas dropper tsis muaj xim thiab pob tshab. Qhov zoo ntawm cov khoom yuav tsis cuam tshuam rau qhov kev sim, thiab nws kuj yog ib qho yooj yim los soj ntsuam seb tus qauv zoo li cas. Tsis tas li ntawd, vim muaj huab cua zoo ntawm cov khoom siv, nws tuaj yeem tiv thaiv cov kua volatilization los yog muaj kuab paug.

Thib peb, lub raj mis yas dropper tuaj yeem rov siv dua. Nws tuaj yeem rov ua dua tshiab thiab tshuaj tua kab mob kom ntseeg tau qhov tseeb thiab kev nyab xeeb ntawm kev sim. Vim tias cov khoom siv zoo nkauj yog tawv, ruaj khov, ua haujlwm ntev.

Thaum kawg, lub raj mis yas eyedropper muaj nqis heev. Piv nrog rau lwm cov khoom siv sim, nws cov nqi qis, thiab vim yog daim ntawv rov siv dua, nws tuaj yeem txuag nyiaj. Qhov no yog ib qho tseem ceeb heev rau kev sim cov cuab yeej siv hauv tsev kawm ntawv, chav kuaj thiab lwm qhov chaw.

Nyob rau hauv luv luv, lub luag hauj lwm ntawm yas dropper lub raj mis nyob rau hauv qhov kev sim yuav tsis raug ignored, nws muaj qhov zoo ntawm kev sim raug, kev soj ntsuam thiab kev lag luam. Raws li cov kws tshawb fawb tshawb fawb, peb yuav tsum muab kev ua si tag nrho rau lawv lub luag haujlwm thiab pab txhawb peb lub zog rau kev tshawb fawb tshawb fawb.