Xov xwm
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Lub practicality ntawm kev tshawb nrhiav dej khib nyiab
Dej yog lub hauv paus rau kev ciaj sia ntawm lub ntiaj teb biology.Cov peev txheej dej yog cov xwm txheej tseem ceeb rau kev tswj hwm txoj kev loj hlob ntawm lub ntiaj teb ecological ib puag ncig.Yog li ntawd, kev tiv thaiv dej yog lub luag haujlwm tseem ceeb tshaj plaws thiab dawb ceev tshaj plaws ntawm tib neeg....Nyeem ntxiv -
Kev ntsuas txoj kev tshem tawm cov khib nyiab: gravimetric method
1. Kev ntsuas txoj kev tshem tawm cov khib nyiab: txoj kev gravimetric 2. Txoj kev ntsuas txoj cai Lim cov qauv dej nrog 0.45μm lim membrane, tso rau ntawm cov khoom lim thiab qhuav ntawm 103-105 ° C mus rau qhov hnyav tas li, thiab tau txais Cov ntsiab lus tshem tawm tom qab ziab ntawm 103-105 ° C....Nyeem ntxiv -
Kev txhais ntawm Turbidity
Turbidity yog ib qho kev kho qhov muag uas tshwm sim los ntawm kev sib cuam tshuam ntawm lub teeb nrog cov khoom tshem tawm hauv cov tshuaj, feem ntau yog dej.Cov khoom raug tshem tawm, xws li sediment, av nplaum, algae, organic teeb meem, thiab lwm yam kab mob microbial, tawg lub teeb hla ntawm cov qauv dej.Kev tawg ...Nyeem ntxiv -
Analytical Tuam Tshoj Exhibition
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Tag Nrho Phosphorus (TP) kuaj pom hauv dej
Tag nrho phosphorus yog ib qho tseem ceeb ntawm qhov ntsuas dej zoo, uas muaj kev cuam tshuam loj heev rau thaj chaw ecological ntawm lub cev dej thiab tib neeg kev noj qab haus huv.Tag nrho phosphorus yog ib qho ntawm cov as-ham tsim nyog rau kev loj hlob ntawm cov nroj tsuag thiab algae, tab sis yog tias tag nrho phosphorus hauv dej siab dhau lawm, nws yuav ...Nyeem ntxiv -
Kev saib xyuas thiab tswj cov khoom siv nitrogen: Qhov tseem ceeb ntawm tag nrho cov nitrogen, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen, thiab Kaifel nitrogen
Nitrogen yog ib qho tseem ceeb.Nws tuaj yeem muaj nyob hauv ntau hom hauv lub cev dej thiab av hauv qhov xwm txheej.Niaj hnub no peb yuav tham txog cov ntsiab lus ntawm tag nrho cov nitrogen, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen, thiab Kaishi nitrogen.Tag Nrho nitrogen (TN) yog qhov ntsuas uas feem ntau siv rau m...Nyeem ntxiv -
Kawm txog tus ceev BOD tester
BOD (Biochemical Oxygen Demand), raws li lub teb chaws tus qauv txhais, BOD hais txog biochemical Oxygen xav tau hais txog cov pa oxygen uas siv los ntawm cov kab mob hauv cov kab mob biochemical ntawm cov txheej txheem ntawm decomposing qee cov tshuaj oxidizable hauv dej raws li cov xwm txheej....Nyeem ntxiv -
Txheej txheem yooj yim Qhia txog kev kho dej phwj tuaj
Cov txheej txheem kev kho dej phwj yog muab faib ua peb theem: Kev kho thawj zaug: kev kho lub cev, los ntawm kev kho tshuab, xws li grille, sedimentation lossis air flotation, tshem tawm pob zeb, xuab zeb thiab gravel, roj, roj, thiab lwm yam uas muaj nyob rau hauv cov dej phwj tuaj.Secondary kev kho mob: biochemical kev kho mob, po ...Nyeem ntxiv -
Cov txheej txheem ntawm kev saib xyuas ib puag ncig cov dej phwj yog dab tsi?
Cov txheej txheem ntawm kev saib xyuas ib puag ncig cov dej phwj yog dab tsi?Txoj kev kuaj lub cev: feem ntau yog siv los kuaj xyuas lub cev lub cev ntawm cov dej phwj tuaj, xws li qhov kub thiab txias, turbidity, tshem tawm cov khib nyiab, conductivity, thiab lwm yam. Feem ntau siv cov kev tshuaj xyuas lub cev muaj xws li txoj kev sib nqus, titration kuv ...Nyeem ntxiv -
Kev ntsuas turbidity
Turbidity yog hais txog qib ntawm kev cuam tshuam ntawm kev daws teeb meem rau kev nkag mus ntawm lub teeb, uas suav nrog kev tawg ntawm lub teeb los ntawm cov teeb meem tshem tawm thiab kev nqus ntawm lub teeb los ntawm cov kuab tshuaj molecules.Lub turbidity ntawm dej tsis yog tsuas yog cuam tshuam nrog cov ntsiab lus ntawm cov tshuaj tshem tawm hauv dej, tab sis ...Nyeem ntxiv -
Biochemical Oxygen Demand VS Chemical Oxygen Demand
Biochemical Oxygen Demand (BOD) yog dab tsi?Biochemical Oxygen Demand (BOD) Kuj hu ua biochemical oxygen xav tau.Nws yog ib qho kev qhia dav dav qhia txog cov ntsiab lus ntawm oxygen-xav tau cov khoom xws li cov organic tebchaw hauv dej.Thaum cov organic teeb meem muaj nyob rau hauv dej yog nyob rau hauv kev sib cuag nrog ...Nyeem ntxiv -
Rau txoj kev kho rau cov dej phwj tuaj siab COD
Tam sim no, cov dej khib nyiab COD tshaj li tus qauv feem ntau suav nrog electroplating, Circuit Court board, papermaking, tshuaj, textile, luam ntawv thiab dyeing, tshuaj thiab lwm yam dej khib nyiab, yog li dab tsi yog txoj kev kho rau COD dej khib nyiab?Wb mus saib ua ke.Cov dej khib nyiab CO...Nyeem ntxiv
