Iindaba zeshishini
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Amanqaku aphambili kwimisebenzi yovavanyo lomgangatho wamanzi kwimizi yokucoca ilindle icandelo leshumi elinesibini
62.Zeziphi iindlela zokulinganisa icyanide? Iindlela zokuhlalutya ezisetyenziswa ngokuqhelekileyo kwi-cyanide yi-volumetric titration kunye ne-spectrophotometry. I-GB7486-87 kunye ne-GB7487-87 ngokulandelanayo ichaza iindlela zokumisela i-cyanide epheleleyo kunye ne-cyanide. Indlela ye-volumetric titration ifanelekile kuhlalutyo ...Funda ngokugqithisileyo -
Amanqaku aphambili kwimisebenzi yovavanyo lomgangatho wamanzi kwimizi yokucoca ilindle icandelo leshumi elinanye
56.Zeziphi iindlela zokulinganisa i-petroleum? I-petroleum ngumxube ontsonkothileyo oqulunqwe zii-alkanes, ii-cycloalkanes, ii-hydrocarbons ezinevumba elimnandi, ii-hydrocarbon ezingaxutywanga kunye nezixa ezincinci zesulfure kunye nenitrogen oxides. Kwimigangatho yomgangatho wamanzi, i-petroleum ichazwa njengesalathisi se-toxicological ...Funda ngokugqithisileyo -
Amanqaku aphambili kwimisebenzi yovavanyo lomgangatho wamanzi kwiindawo zokucocwa kwamanzi amdaka icandelo leshumi
51. Zeziphi izikhombisi ezahlukeneyo ezibonisa izinto eziyityhefu nezinobungozi emanzini? Ngaphandle kwenani elincinci leekhompawundi ezinobuthi kunye nezinobungozi kwi-lindle eqhelekileyo (njenge-phenols eguquguqukayo, njl.njl.), uninzi lwazo lunzima ukuhlaziya i-biodegrade kwaye luyingozi kakhulu kumzimba womntu, njenge...Funda ngokugqithisileyo -
Amanqaku aphambili kwimisebenzi yovavanyo lomgangatho wamanzi kwiziko lokucocwa kwamanzi amdaka icandelo lesithoba
46.Yintoni ioksijini enyibilikisiweyo? I-oksijini enyibilikisiweyo DO (isifinyezo se-Oxygen eNyibilikileyo ngesiNgesi) imele ubungakanani be-oksijini yemolekyuli enyityilikiswe emanzini, kwaye iyunithi ngu-mg/L. Umxholo ogcweleyo weoksijini enyityilisiweyo emanzini unxulumene nobushushu bamanzi, uxinzelelo lwe-atmospheric kunye nekhemikhali...Funda ngokugqithisileyo -
Amanqaku aphambili ovavanyo lomgangatho wamanzi kumaziko okucoca ugutyulo icandelo lesibhozo
43. Zeziphi izilumkiso zokusebenzisa i-electrode yeglasi? ⑴Ixabiso le-pH elinokubakho elinguziro le-electrode yeglasi kufuneka libe phakathi koluhlu lwesilawuli sokuma se-acidimeter ehambelanayo, kwaye akufunekanga isetyenziswe kwizisombululo ezingenamanzi. Xa i-electrode yeglasi isetyenziswa okokuqala okanye i...Funda ngokugqithisileyo -
Amanqaku aphambili kwimisebenzi yovavanyo lomgangatho wamanzi kwiziko lokucocwa kwamanzi amdaka kwicandelo lesixhenxe
39.Yintoni iasidi yamanzi kunye nealkalinity? Ubumuncu bamanzi bubhekisa kwisixa sezinto eziqulethwe emanzini ezinokuthoba iziseko ezomeleleyo. Kukho iintlobo ezintathu zezinto ezenza i-asidi: i-acids eyomeleleyo enokuthi ihlukanise ngokupheleleyo i-H + (efana ne-HCl, i-H2SO4), ii-acids ezibuthathaka ezithi pa...Funda ngokugqithisileyo -
Amanqaku aphambili ovavanyo lomgangatho wamanzi kumaziko okucoca ugutyulo icandelo lesithandathu
35.Yintoni ukungqubana kwamanzi? Ubunzima bamanzi luphawu lokuhanjiswa kokukhanya kweesampuli zamanzi. Kungenxa yento encinci ye-inorganic kunye ne-organic kunye nezinye izinto ezimisiweyo ezifana nentlenga, udongwe, i-microorganisms kunye nezinye izinto ezimisiwe emanzini ezibangela ukukhanya okudlulayo ...Funda ngokugqithisileyo -
Amanqaku aphambili ovavanyo lomgangatho wamanzi kwimizi-mveliso yokucocwa kwelindle icandelo lesihlanu
31.Zintoni izinto eziqinileyo ezinqunyanyisiweyo? Izinto eziqinileyo ezimisiweyo SS zikwabizwa ngokuba zizinto ezingahluziyo. Indlela yokulinganisa kukucoca isampuli yamanzi nge-0.45μm yokucoca inwebu kwaye emva koko ikhuphe kwaye yomise intsalela ehluziweyo kwi-103oC ~ 105oC. I-Volatile suspended solids i-VSS ibhekisa kubunzima be-sus...Funda ngokugqithisileyo -
Amanqaku aphambili ovavanyo lomgangatho wamanzi kumaziko okucoca ugutyulo icandelo lesine
27. Yintoni amanzi aqinileyo? Isalathisi esibonisa isiqulatho esisiqilima sisonke emanzini ziziqina zizonke, ezahlulwe zibe ziinxalenye ezimbini: iziqina eziguquguqukayo zizonke kunye neziqina ezingaguquguqukiyo zizonke. Iziqina zizonke ziquka iziqina ezinqunyanyisiweyo (SS) kunye neziqina ezinyibilikisiweyo (DS), nganye kuzo enokuthi kananjalo ...Funda ngokugqithisileyo -
Amanqaku aphambili ovavanyo lomgangatho wamanzi kwimizi-mveliso yokucoca ugutyulo icandelo lesithathu
19. Zingaphi iindlela zokuxutywa kweesampulu zamanzi xa kusenziwa umlinganiselo we-BOD5? Ngawaphi amanyathelo okhuseleko okusebenza? Xa ulinganisa i-BOD5, iindlela zokuhlanjululwa kweesampulu zamanzi zahlulwe zibe ziindidi ezimbini: indlela yokuhlambulula ngokubanzi kunye nendlela yokucoca ngokuthe ngqo. Indlela yokuxutywa ngokubanzi ifuna isixa esikhulu se ...Funda ngokugqithisileyo -
Amanqaku aphambili kwimisebenzi yovavanyo lomgangatho wamanzi kwimizi yokucoca ilindle icandelo lesibini
13.Ngawaphi amanyathelo okhuseleko kumlinganiselo weCODCr? Umlinganiselo we-CODCr usebenzisa i-potassium dichromate njenge-oxidant, i-sulfate yesilivere njenge-catalyst phantsi kweemeko ze-acidic, ukubilisa kunye nokuguquguquka kweeyure ze-2, kwaye emva koko iyiguqule kusetyenziso lwe-oxygen (GB11914-89) ngokulinganisa ukusetyenziswa kwe-p...Funda ngokugqithisileyo -
Amanqaku aphambili kwimisebenzi yovavanyo lomgangatho wamanzi kwindawo yokucoca ugutyulo lwelindle inxalenye yokuqala
1. Zeziphi iimpawu ezibonakalayo eziphambili zezalathi zamanzi amdaka? ⑴Ubushushu: Ubushushu bamanzi amdaka bunempembelelo enkulu kwinkqubo yokucocwa kwamanzi amdaka. Ubushushu buchaphazela ngokuthe ngqo umsebenzi we-microorganisms. Ngokubanzi, iqondo lobushushu bamanzi kwiindawo zokucocwa kogutyulo lwasezidolophini...Funda ngokugqithisileyo
