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Video: Koj yuav ua kom qhov tseeb ntawm qhov kev ntseeg siab li cas?
![Video: Koj yuav ua kom qhov tseeb ntawm qhov kev ntseeg siab li cas? Video: Koj yuav ua kom qhov tseeb ntawm qhov kev ntseeg siab li cas?](https://i.ytimg.com/vi/l76NTHAiWlE/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2024-01-18 09:28
- Nce cov qauv me me. Feem ntau, txoj hauv kev zoo tshaj plaws kom txo qis ntawm qhov ua yuam kev yog nce cov qauv me me.
- Txo kev hloov pauv. Qhov tsawg dua uas koj cov ntaub ntawv sib txawv, qhov tseeb dua koj tuaj yeem kwv yees cov pej xeem qhov ntsuas.
- Siv ib sab ncua kev ntseeg siab .
- Txo qhov qib kev ntseeg siab .
Tsis tas li, qhov kev ntseeg siab twg yog qhov tseeb dua?
Thaj qhov nqaim ncua kev ntseeg siab txhais tau hais tias muaj lub sijhawm me dua ntawm kev tau txais kev soj ntsuam hauv qhov ntawd ncua sijhawm yog li ntawd, peb qhov tseeb yog siab dua. Thiab 95% ncua kev ntseeg siab yog nqaim dua li 99% ncua kev ntseeg siab uas yog dav Qhov 99% kev ntseeg siab ntau yog ntau dua qhov tseeb tshaj li 95%.
Tsis tas li, qhov tseeb npaum li cas yog 95 qhov kev ntseeg siab sib nrug? Cov meej statistical definition ntawm 95 feem pua ncua kev ntseeg siab yog tias yog kev xaiv xov tooj tau ua 100 zaug, 95 sijhawm feem pua ntawm cov neeg teb uas nyiam Bob Dole yuav nyob hauv qhov suav kev ntseeg siab sib nrug thiab tsib zaug feem pua nyiam Dole yuav yog siab dua lossis qis dua li
Ib qho ntxiv, yuav muaj dab tsi tshwm sim thaum koj nce qib kev ntseeg siab?
Ua kom muaj kev ntseeg siab yuav nce cov npoo ntawm qhov ua yuam kev ua rau dav dua ncua sijhawm . Ua kom muaj kev ntseeg siab yuav txo qis cov paj laum ntawm qhov ua yuam kev ua rau nqaim ncua sijhawm.
Yam dab tsi cuam tshuam rau kev cog qoob loo?
Yam cuam tshuam cuam tshuam rau qhov dav ntawm kev ntseeg siab suav nrog qhov loj ntawm tus qauv, qib kev ntseeg siab, thiab qhov sib txawv ntawm cov qauv. Ib qho piv txwv loj dua yuav zoo li ua qhov kwv yees zoo dua ntawm pejxeem parameter, thaum tag nrho lwm yam sib npaug.
Pom zoo:
Nws txhais li cas kom muaj kev ntseeg siab rau koj tus kheej?
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Yuav kom ntseeg tus kheej yog kom muaj kev nyab xeeb hauv koj tus kheej thiab koj lub peev xwm. Thaum koj tab tom sawv cev lossis hais lus, nws pab kom ntseeg tus kheej –- lossis tsawg kawg los ua piv txwv tias koj yog. Kev ntseeg siab yog kev ntseeg siab ntawm ib tus neeg lossis qee yam. Cov neeg ntseeg tus kheej tsis ua xyem xyav txog lawv tus kheej
Dab tsi ua tus coj kev ntseeg ntseeg hais tias kev puas siab puas ntsws yuav tsum tsom mus rau?
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Cov neeg coj tus cwj pwm ntseeg tias kev xav txog psychology yuav tsum tsom mus rau qhov zais zais uas tuaj yeem kawm txog kev tshawb fawb, thiab lawv xav tias tsuas yog thaj chaw ntawm kev puas siab puas ntsws uas tuaj yeem nkag mus rau kev tshawb fawb tau pom tus cwj pwm
Koj pom qhov kev ntseeg siab li cas hauv kev txheeb cais?
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Txhawm rau suav qhov kev ntseeg siab txwv rau kev ntsuas ntsuas sib txawv, sib npaug tus qauv yuam kev ntawm lub sijhawm nruab nrab uas tsim nyog t-tus nqi. Tus nqi t yog txiav txim siab los ntawm qhov ua tau (0.05 rau 95% kev ntseeg siab ib ntus) thiab qib kev ywj pheej (n&muab; 1)
Koj yuav ua li cas kom paub tseeb qhov tseeb hauv titration?
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Cov nqe lus hauv cov teeb no (9) Meniscus ntawm qhov muag. Kom tsis txhob parallax yuam kev. Dawb pobzeb. Kom pom qhov kawg pom meej dua. Tshem cov funnel ua ntej titrating. Ua kom cov vol ua rau lub npe me dua. Dropwise ntxiv. Tsis muaj npuas nyob rau hauv pipette & burette ntawm lub ntsis. Swirling thaum titration. Ob peb tee ntawm qhov taw qhia. Rov ua qhov titration
Yuav ua li cas koj hnia ib lub qhov ntawm koj tus ntsia thawv kom txo tau qhov siab?
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Yuav Ua Li Cas Tso Ntshav Los Ntawm Tus Naj Npawb Ncaj ib daim ntawv clip, thiab kub lub taub hau rau hauv nplaim taws kom txog thaum nws liab-kub. Muab qhov ntxeev ntawm daim ntawv clip rau ntawm tus ntsia thawv thiab cia nws yaj mus. Tsis txhob thawb lossis siv lub zog ntawm daim ntawv clip. Mus maj mam, thiab rov ua dua lub clip raws li qhov tsim nyog. Sai li lub qhov ua tiav, cov ntshav yuav khiav tawm thiab qhov mob yuav daws tau