Nyob ntawm cov dej kub uas yuav tsum tau muaj rau cov tsiaj hauv dej ntawm ntau theem ntawm lub neej, cov txheej txheem muaj nuj nqis ntawm 5 txog 9.5 mg l-1, piv txwv li qhov tsawg kawg nkaus cov pa oxygen concentration ntawm 5-6 mg l-1 rau cov dej sov biota thiab 6.5-9.5 mg l-1 rau cov dej txias biota.
Leej twg pom zoo cov qauv dej haus?
Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv Ntiaj Teb (WHO) Cov Lus Qhia rau Kev Haus Dej Zoo (GDWQ) suav nrog cov lus pom zoo hauv qab no txwv rau cov khoom tsim muaj tshwm sim uas yuav muaj kev cuam tshuam rau kev noj qab haus huv ncaj qha: Arsenic 10μg / l . Barium 10μg/l. Boron 2400μg/l.
Dab tsi yog qhov tseem ceeb physicochemical parameters ntawm dej zoo?
Lub cev tsis muaj tshuaj lom neeg xws li dej kub, pH, yaj oxygen, oxygen saturation, conductivity, salinity, secchi disc qhov tob, nitrate, nitrite, orto-phosphate, sulfate, chloride, tag nrho hardness, calcium thiab magnesium tau txheeb xyuas hauv cov qauv dej.
Dab tsi yog qhov ntsuas ntsuas hauv cov qauv dej zoo?
Muaj peb hom dej tsis zoo lub cev, tshuaj, thiab lom neeg[8, 9].
Dab tsi yog 6 lub ntsiab lus qhia txog dej zoo?
Cov kws tshawb fawb ntsuas ntau yam khoom los txiav txim siab dej zoo. Cov no suav nrog kub, acidity (pH), yaj cov khib nyiab (kev coj ua tshwj xeeb),particle teeb meem (turbidity), yaj oxygen, hardness thiab suspended sediment.
