Video: Koj yuav suav li cas feem pua tsis lees paub?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Yog li, piv txwv li, yog tias koj cov kais dej nyeem 280 thiab koj cov dej ROproduct nyeem 15, koj txiav txim siab feem pua tsis kam lees ntawm RO chav tsev los ntawm rho tawm 15 ntawm 280 kom tau 265, faib 265by 280 kom tau 0.946, ces muab 100 kom tau 94.6% kev tsis lees paub.
Raws li txoj cai, koj ua li cas suav tus nqi tsis lees paub?
Tsis zoo Tus nqi thiab Defects Ib lab Tus qauv rau qhov tsis xws luag tus nqi yog tus nqi ntawm cov khoom puas tau pom muab faib los ntawm tus naj npawb ntawm cov ntsuas ntsuas. Piv txwv li, yog tias 10 tawm ntawm 200 qhov kev sim ntsuas tsis raug, qhov tsis xws luag tus nqi yog 10 muab faib los ntawm 200, lossis 5 feem pua. Tsis zoo tus nqi feem ntau hais nyob rau hauv cov nqe lus ntawm defects permillion.
Ib tug kuj yuav nug, dab tsi yog tus nqi xa khoom tsis lees paub? Hauv kev tsim khoom , cov tsis lees paub tus nqi yog feem pua ntawm cov txheej txheem uas yog tsis lees paub , rau lub sijhawm teem sijhawm lossis ntau daim. Lub ntsiab lus ntawm kev lag luam no yog ib qho stub.
Hais txog qhov no, RO tsis lees paub tus nqi yog dab tsi?
RO daim nyias nyias yog siv los tshem tawm cov yaj ions hauv cov txheej txheem uas tsis cia siab rau qhov sib txawv ntawm qhov pores rau kev pom. Cov ntaub ntawv niaj hnub tau luam tawm tus nqi tsis kam lees nce mus txog 99.8 feem pua, txhais tau tias 0.2 feem pua ntawm cov khoom noj khoom haus yuav dhau los ntawm RO txheej txheej.
Dab tsi yog qhov lees paub qhov tsis raug?
PPM (Ib feem ntawm ib lab) yog kev ntsuas siv los ntawm ntau tus neeg siv khoom los ntsuas qhov ua tau zoo. Lus Txhais: Ib PPM txhais tau tias ( qhov tsis xws luag los yog kev tshwm sim) nyob rau hauv ib lab los yog 1/1, 000, 000. Nyob rau yav tas los tus neeg muab khoom zoo yuav muaj tus nqi tsis raug tsawg dua 1%, (10,000 PPM).
Pom zoo:
Yuav ua li cas koj tig cov feem rau hauv cov zauv thiab feem pua?
Ob kauj ruam los hloov ib feem rau ib feem pua Hloov cov feem mus rau tus lej zauv.Cov feem bar ntawm tus lej sab saum toj (tus lej) thiab tus lej hauv qab (tus lej) txhais tau tias ' faib los ntawm.' Muab los ntawm 100 los hloov tus lej lej topercent. Luas = 0.25 × 100 = 25%
Yuav ua li cas koj thiaj li tau txais kev lees paub kev lag luam ntsuas?
Kev lees paub hauv Kev Ua Lag Luam Kev Ua Lag Luam Cov Neeg Sib Tw nrhiav ABV kev lees paub yuav tsum muaj daim ntawv tso cai siv tau (thiab tsis tau muab tshem tawm) CPA daim ntawv tso cai lossis daim ntawv pov thawj muab los ntawm lub xeev tsim nyog. Lawv kuj yuav tsum xeem dhau ABV Examination, nrog rau qee qhov kev zam
Koj yuav suav li cas feem pua ntawm cov nuj nqis phem?
Txoj kev yooj yim rau kev xam qhov feem pua ntawm cov nuj nqis phem yog qhov yooj yim heev. Faib tus nqi ntawm cov nuj nqis phem los ntawm tag nrho cov nyiaj tau txais rau ib lub sijhawm, thiab muab faib ua 100. Muaj ob txoj hauv kev tseem ceeb uas tuam txhab tuaj yeem siv los suav lawv cov nuj nqis phem
Yuav ua li cas koj hloov ib feem tsis tsim nyog rau ib feem sib xyaw?
Txhawm rau hloov cov feem tsis raug mus rau ib feem sib xyaw, ua raws li cov kauj ruam no: Faib tus lej los ntawm tus denominator. Sau tag nrho cov lus teb. Tom qab ntawd sau ib yam dab tsi ntxiv rau saum tus denominator
Dab tsi yog cov ntsiab lus ntawm SRS piav txog kev lees paub thiab kev lees paub?
Qhov sib txawv ntawm Kev Tshawb Fawb Txog Kev Tshawb Fawb thiab Kev Tshaj Lij Tshaj Lij Tshaj Lij Tshaj Lij Tshaj Tawm suav nrog tag nrho cov txheej txheem kuaj zoo li qub. Xws li tag nrho cov txheej txheem kuaj dynamic. Piv txwv suav nrog kev tshuaj xyuas, tshuaj xyuas, thiab kev taug kev. Piv txwv suav nrog txhua hom kev sim xws li haus luam yeeb, rov qab, ua haujlwm, tshuab thiab UAT