Video: Yuav ua li cas calibrate ib daim iav?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
iav feem ntau yog calibrated siv cov kua uas paub, tshwj xeeb ceev, thiab kev ntsuas ntsuas. Cov txheej txheem yog los txiav txim qhov loj ntawm cov kua iav yuav tuav, thiab faib qhov loj ntawm cov kua los ntawm qhov ntom ntawm cov kua, tau txais qhov sib thooj ntawm cov kua.
Thiab cov lus nug yog, yuav ua li cas yog volumetric glassware calibrated?
Raws li tau sau tseg saum toj no, volumetric iav yog calibrated los ntawm kev ntsuas qhov loj ntawm cov dej uas muaj-hauv lossis xa-los ntawm lub cuab yeej. Cov ntaub ntawv loj no ces hloov mus rau ntim cov ntaub ntawv siv cov tabulated ntom ntawm cov dej (Saib Daim Ntawv Ntxiv) ntawm qhov kub ntawm calibration.
Tsis tas li ntawd, koj yuav ua li cas ntsuas lub 25 mL pipette? Rau calibrate koj 25ml cev , siv huv cev thiab dej uas qhov ntsuas kub tau paub thiab tas li (kub-sib npaug dej). Siv qhov ntsuas ntsuas, ntsuas qhov huv 125 mL Erlenmeyer lub hwj nrog roj hmab stopper nyob rau hauv caj dab thiab sau qhov loj.
Tom qab, lo lus nug yog, yuav ua li cas yog Burets calibrated?
Kov lub ntsis ntawm lub buret mus rau sab ntawm lub beaker kom tshem tawm qhov poob dai ntawm lub taub. Tom qab li ib feeb, kom tso dej tawm, ua qhov pib nyeem ntawm meniscus, kwv yees qhov ntim mus rau qhov ze tshaj 0.01 mL. Sau qhov pib nyeem ntawv. Tso cai rau buret sawv ntsug li 5 feeb thiab rov xyuas qhov kev nyeem ntawv.
Koj tuaj yeem qhia tau li cas yog iav iav huv?
Rau kuaj yog tias iav yog huv si tsuas yog sau nws nrog dej distilled thiab npliag nws. Dej yuav tsum tsim ib daim ntawv du. Yog iav yog huv si thiab wettable, yuav tsis muaj tee dej pom, yog lub khob yog greasy - lawv yuav tuaj.
Pom zoo:
Dab tsi yog ntsev ntawm daim duab hauv daim iav dav hlau?
S.A.L.T. Yog daim duab pem hauv ntej, lossis qab daim iav. Puas yog daim duab ze dua lossis deb dua ntawm daim iav dua li qhov khoom
Vim li cas daim iav convex siv los ua daim iav saib tom qab?
Convex mirrors feem ntau yog siv los ua rear-saib (tis) iav hauv tsheb vim hais tias lawv muab ib qho erect, virtual, tag nrho cov duab ploj zuj zus ntawm cov khoom nyob deb nrog kev pom dav dua. Yog li, daim iav convex ua rau tus neeg tsav tsheb pom thaj tsam loj dua li qhov yuav ua tau nrog daim iav dav hlau
Ob hom iav iav yog dab tsi?
Thaum lub reflecting nto yog hloov nkhaus, peb hu nws lub iav nkhaus. Muaj ob hom iav nkhaus; concave thiab convex daim iav. Cov iav nkhaus uas muaj qhov cuam tshuam ntawm qhov chaw nkhaus sab hauv yog hu ua concave mirrors thaum cov uas nws xav txog qhov chaw tawm sab nraud yog hu ua convex mirrors
Yuav ua li cas calibrate lub iav nplai?
#1 Txhua zaus lub ntsuas digital txav nws yuav tsum tau ntsuas. Muab qhov ntsuas rov qab rau ntawm qhov nyuaj, tiaj tus (saib # 2 hauv qab no rau qhov chaw zoo hauv pem teb). Nrog ib tug ko taw, nias lub platform ntawm nplai kom cov lej tshwm ntawm cov zaub. Tos kom lub teev tig tawm dua. Tam sim no koj qhov scale yog calibrated
Dab tsi yog daim ntawv thov ntawm daim iav nkhaus?
Teb Chaws Asmeskas: Dab tsi yog daim ntawv thov ntawm daim iav nkhaus? Concave iav feem ntau yog siv los ua daim iav shaving thiab pleev tsom iav. Cov khoom uas nyob ze yog reflected nyob rau hauv daim iav concave raws li ib tug magnified duab. Thaum daim iav tuav ze ntawm lub ntsej muag, daim duab loj ntawm daim tawv nqaij tuaj yeem pom