Txhawm rau nqa ntawv hauv tsev, cov cuab yeej siv tshwj xeeb feem ntau siv - lub thawv teeb. Qhov kev tsim qauv no muab cov duab ntxoov ntxoo tsis muaj lub teeb pom kev zoo, uas ua tau zoo tshaj qhov zoo ntawm cov duab. Yuav ua li cas ua lub teeb ntsa nrog koj tus kheej tes?
Tsim nyog
- - cardboard thawv;
- - riam;
- - txiab;
- - kua nplaum;
- - daim ntawv;
- - daim ntawv dawb ntawv Whatman ntawv;
- - tus pas ntsuas lossis kab xev ntsuas;
- - cov teeb hluav taws xob hauv tsev halogen;
- - cim cim;
- - ntaub dawb lossis ntaub ntawv tracing.
Cov Lus Qhia
Kauj ruam 1
Xaiv cov thawv ntawv uas muaj qhov loj me. Koj yuav tsum paub hais tias qhov loj me ntawm koj lub thawv teeb yuav nyob ntawm qhov loj me ntawm lub thawv thiab, vim li ntawd, qhov loj ntawm cov khoom uas tuaj yeem thaij duab tau rau hauv.
Tig lub thawv sab nraud. Ntsuas qhov kev ncua deb ntawm tsib centimeters ntawm txhua lub ntsej muag siv tus pas ntsuas. Ua tus cim kom tsim nyog nrog qhov cim cim. Txuas cov txiaj ntsig tau hauv txoj hauv kev uas koj tau txais tus ncej. Rov ua tag nrho cov kauj ruam ntawm ob sab hauv qab ntawm lub thawv. Qhov hauv qab, sab nraud thiab sab saum toj ntawm lub thawv tsis tas yuav cim cim.
Kauj ruam 2
Ua tib zoo txiav cov duab plaub sib tsoo nrog txiab. Txiav ntawm lub thawv rau sab saum toj, tawm hauv qab thiab sab nraud.
Kauj ruam 3
Txiav rau qhov loj me thiab tso ib daig ntawv me me ntxiv rau hauv qab.
Kauj ruam 4
Txiav 16 strips 5 centimeters dav los ntawm whatman ntawv. Qhov ntev ntawm cov kab txaij yuav tsum phim rau qhov ntev ntawm koj lub thawv. Lo lawv kom zoo rau sab hauv ntawm lub thawv tom ntej.
Kauj ruam 5
Ntsuas thiab txiav ib daig ntawv Whatman ntawv kom nws npog rau sab tom qab thiab hauv qab ntawm koj lub thawv teeb. Maj mam muab nws mus rau hauv lub thawv.
Kauj Ruam 6
Siv ib daim ntawv dawb los yog daim ntawv tracing, txiav rau qhov loj me, thiab ua tib zoo xev ntawm ob sab thiab saum toj kawg ntawm lub thawv.
Kauj Ruam 7
Tso cov tsom teeb kom lub ncauj lus ncaj ntawm txhua qhov qhia. Nws yuav tsum raug sau tseg tias halogen dej nyab teeb tau kub heev thaum lub sijhawm ua haujlwm ntev, yog li ntawd nws raug nquahu kom nruab lawv rau ntawm kev sawv ntsug. Txhawm rau hloov lub teeb thiab ntxoov ntxoo, txoj haujlwm ntawm lub teeb pom kev zoo siv thiab lawv tus lej tuaj yeem hloov tau.
Teev hom dawb tshuav ntawm daim ntawv ntawm Whatman ntawv. Koj lub npov muag khoom npaj kom txhij mus.
