Izindaba
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Ukufika okusha:Imitha yesidingo se-oxygen encibilikile i-LH-DO2M(V11)
I-LH-DO2M (V11) imitha ye-oxygen ephathekayo encibilikisiwe isebenzisa ubuchwepheshe bokulinganisa umoya-mpilo we-fluorescence encibilikisiwe, ayidli umoya-mpilo, futhi ayithinteki izici ezifana nesivinini sokugeleza kwesampula, indawo enyakazayo, izinto zamakhemikhali, njll. Inamandla aqinile okumelana nokuphazanyiswa futhi iyi-multi-func...Funda kabanzi -
Izindaba ezinhle: Ibhidi yokuwina! I-Lianhua ithole i-oda lamasethi angu-40 okuhlaziya izinga lamanzi eminyangweni kahulumeni
Izindaba ezinhle: Ibhidi yokuwina! I-Lianhua iwine ibhidi yamasethi angu-40 wamathuluzi okulinganisa izinga lamanzi wephrojekthi yempahla yemvelo e-Zhengzhou City, eSifundazweni sase-Henan, e-China! Unyaka omusha, umoya omusha, inhlanhla ifika onyakeni we-Dragon. Muva nje, izindaba ezinhle zivela eLianhua...Funda kabanzi -
Isingeniso sobuchwepheshe bokuhlola ikhwalithi yamanzi obusetshenziswa kakhulu
Okulandelayo yisingeniso sezindlela zokuhlola: 1. Ubuchwepheshe bokuqapha ukungcola okungaphili Uphenyo lokungcoliswa kwamanzi luqala ngo-Hg, Cd, cyanide, phenol, Cr6+, njll., futhi eziningi zazo zikalwa nge-spectrophotometry. Njengoba umsebenzi wokuvikela imvelo ujula futhi uqapha izinsiza...Funda kabanzi -
Imithelela ye-COD, i-ammonia nitrogen, i-phosphorus isiyonke kanye nenani le-nitrogen kukhwalithi yamanzi
I-COD, i-ammonia nitrogen, i-phosphorus isiyonke kanye nenani le-nitrogen ziyizinkomba ezivamile zokungcoliswa kwemvelo emanzini. Umthelela wabo eqophelweni lamanzi ungahlaziywa ngezindlela eziningi. Okokuqala, i-COD iyinkomba yokuqukethwe kwezinto eziphilayo emanzini, okungabonisa ukungcoliswa kwe-ogani ...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwekhwalithi yamanzi ezindaweni zokukhuculula indle ingxenye yeshumi nambili
62.Iziphi izindlela zokukala i-cyanide? Izindlela zokuhlaziya ezisetshenziswa kakhulu ze-cyanide yi-volumetric titration ne-spectrophotometry. I-GB7486-87 ne-GB7487-87 ngokulandelanayo icacisa izindlela zokunquma zenani le-cyanide ne-cyanide. Indlela ye-volumetric titration ilungele ukuhlaziya...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwezinga lamanzi ezindaweni zokukhuculula indle ingxenye yeshumi nanye
56. Yiziphi izindlela zokukala i-petroleum? I-Petroleum iyingxube eyinkimbinkimbi eyakhiwe ama-alkanes, ama-cycloalkanes, ama-hydrocarbon anephunga elimnandi, ama-hydrocarbon angagcwele kanye nenani elincane lesulfure ne-nitrogen oxides. Emazingeni ekhwalithi yamanzi, i-petroleum ichazwa njengenkomba ye-toxicological ...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwezinga lamanzi ezindaweni zokukhuculula indle ingxenye yeshumi
51. Yiziphi izinkomba ezihlukahlukene ezibonisa izinto eziphilayo ezinobuthi neziyingozi emanzini? Ngaphandle kwenani elincane lezinhlanganisela zezinto eziphilayo ezinobuthi neziyingozi ezindleleni ezivamile (njengama-phenol aguquguqukayo, njll.), eziningi zazo zinzima ukuwohloka kwezinto eziphilayo futhi ziyingozi kakhulu emzimbeni womuntu, njenge...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwekhwalithi yamanzi ezikhungweni zokukhuculula indle ingxenye yesishiyagalolunye
46.Yini i-oxygen encibilikile? I-Oxygen encibilikile DO (isifinyezo se-Dissolved Oxygen ngesiNgisi) imelela inani le-molecule ye-oxygen encibilike emanzini, futhi iyunithi ingu-mg/L. Okuqukethwe okugcwele komoyampilo oncibilikisiwe emanzini kuhlobene nezinga lokushisa lamanzi, ukucindezela komkhathi kanye nekhemikhali...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwekhwalithi yamanzi ezikhungweni zokukhuculula indle ingxenye yesishiyagalombili
43. Yiziphi izinyathelo zokuphepha zokusebenzisa ama-electrode engilazi? ⑴Inani le-pH elingaba nguziro le-electrode yengilazi kufanele libe phakathi kwebanga lesilawuli sokuma se-acidimitha efanayo, futhi akumele lisetshenziswe ezixazululweni ezingenamanzi. Lapho i-electrode yengilazi isetshenziswa okokuqala noma ngi...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwekhwalithi yamanzi ezikhungweni zokukhuculula indle ingxenye yesikhombisa
39.Yini i-acidity yamanzi kanye ne-alkalinity? I-acidity yamanzi ibhekisela enanini lezinto eziqukethwe emanzini ezinganciphisa izisekelo eziqinile. Kunezinhlobo ezintathu zezinto ezakha i-asidi: ama-asidi aqinile angahlukanisa ngokuphelele i-H+ (njenge-HCl, i-H2SO4), ama-asidi abuthaka athi pa...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwekhwalithi yamanzi ezikhungweni zokukhuculula indle ingxenye yesithupha
35.Kuyini ukuguguleka kwamanzi? Ukuguquguquka kwamanzi kuyinkomba yokudluliswa kokukhanya kwamasampula amanzi. Kungenxa yento encane ye-inorganic kanye ne-organic kanye nezinye izinto ezimisiwe njengentlenga, ubumba, ama-microorganisms nezinye izinto ezimisiwe emanzini ezibangela ukukhanya kudlule ...Funda kabanzi -
Amaphuzu abalulekile okusebenza kokuhlolwa kwekhwalithi yamanzi ezikhungweni zokukhuculula indle ingxenye yesihlanu
31.Kuyini okuqinile okumisiwe? Izinto eziqinile ezimisiwe i-SS zibizwa nangokuthi izinto ezingahlungi. Indlela yokulinganisa iwukuhlunga isampula lamanzi ngolwelwesi lwesihlungi esingu-0.45μm bese uyahwamuka bese komisa insalela ehlungiwe ku-103oC ~ 105oC. I-Volatile suspended solids VSS isho ubuningi be-sus...Funda kabanzi
