I-fluorescence imitha ye-oksijini enyibilikileyo sisixhobo esisetyenziselwa ukulinganisa i-oxygen edibeneyo emanzini. Ioksijini echithiweyo yenye yezinto ezibalulekileyo kwimizila yamanzi. Inempembelelo ebalulekileyo ekusindeni nasekuveliseni kwakhona izinto eziphilayo zasemanzini. Ikwayenye yezalathi ezibalulekileyo zokulinganisa umgangatho wamanzi. Imitha ye-oxygen enyibilikisiweyo ye-fluorescence imisela ugxininiso lwe-oksijini enyibilikileyo emanzini ngokulinganisa ubunzulu bomqondiso we-fluorescence. Inobuntununtunu obuphezulu kunye nokuchaneka kwaye isetyenziswa kakhulu kuhlolo lokusingqongileyo, uvavanyo lomgangatho wamanzi, i-aquaculture kunye neminye imimandla. Eli nqaku liza kwazisa ngokweenkcukacha umgaqo wokusebenza, ukwakhiwa kwesakhiwo, ukusetyenziswa kunye nokusetyenziswa kwe-fluorescence imitha ye-oxygen echithwe kwiinkalo ezahlukeneyo.
1. Umgaqo wokusebenza
Umgaqo wokusebenza we-fluorescence imitha ye-oxygen echithwe isekelwe ekusebenzisaneni phakathi kweeathomu ze-oksijini kunye nezinto ezikhanyayo. Ingcamango engundoqo kukuvuyisa izinto ze-fluorescent ukuze ubungakanani bomqondiso we-fluorescent abayikhuphayo bulingane nokuxinana kweoksijini enyibilikisiweyo emanzini. Oku kulandelayo yinkcazo eneenkcukacha yomgaqo wokusebenza we-fluorescence imitha yeoksijini enyibilikileyo:
1. Izinto ze-Fluorescent: Izinto ze-oxygen-sensitive fluorescent, ezifana ne-oxygen-sensitive fluorescent dyes, zidla ngokusetyenziswa kwiimitha ze-oxygen ezinyibilikisiweyo. Ezi zinto ze-fluorescent zine-fluorescence intensity ephezulu ngokungabikho kwe-oksijeni, kodwa xa i-oksijini ikhona, i-oksijini iya kusabela ngokwekhemikhali kunye nezinto ze-fluorescent, ezibangela ukuba amandla e-fluorescence abe buthathaka.
2. Umthombo wokukhanya okuvuselelayo: Iimitha ze-oxygen ezinyibilikisiweyo ze-Fluorescence zihlala zixhotyiswe ngomthombo wokukhanya wokuvuselela ukuvuselela izinto ze-fluorescent. Lo mthombo wokukhanya wokuvuselela udla ngokuba yi-LED (i-diode ekhupha ukukhanya) okanye i-laser yobude obuthile. Ubude bokukhanya komthombo wovuselelo budla ngokukhethwa phakathi koluhlu lwamaza okufunxa lwento yefluorescent.
3. Isibonisi se-Fluorescence: Ngaphantsi kwesenzo somthombo wokukhanya wokuvuselela, into ye-fluorescent iya kukhupha isignali ye-fluorescence, ukuqina kwayo okuchasene ngokungafaniyo noxinzelelo lwe-oksijini enyityilisiweyo emanzini. Iimitha ze-oxygen ezinyibilikisiweyo ze-Fluorometric zixhotyiswe nge-fluorescence detector ukulinganisa ubunzulu balo mqondiso we-fluorescent.
4. I-Oxygen concentration calculation: Ubuninzi besignali ye-fluorescence icutshungulwa yisekethe ngaphakathi kwesixhobo, kwaye emva koko iguqulelwe kwixabiso le-oxygen concentration. Eli xabiso lidla ngokubonakaliswa ngeemilligrams ilitha nganye (mg/L).
2. Ukwakhiwa kwesakhiwo
Ubume be-fluorescence imitha yeoksijini enyibilikileyo ihlala ibandakanya ezi ndawo zilandelayo:
1. Intloko yenzwa: Intloko yenzwa yinxalenye yokudibanisa nesampuli yamanzi. Ngokuqhelekileyo ibandakanya i-fluorescent optical fiber ecacileyo okanye i-diaphragm ye-fluorescent. Ezi zixhobo zisetyenziselwa ukulungiselela izinto ze-fluorescent. Intloko yenzwa idinga uyilo olukhethekileyo ukuqinisekisa ukuba into ye-fluorescent idibene ngokupheleleyo nesampuli yamanzi kwaye ayiphazanyiswa ukukhanya kwangaphandle.
2. Umthombo wokukhanya wokuvuselela: Umthombo wokukhanya wokuvuselela udla ngokuhlala kwindawo ephezulu yesixhobo. Ihambisa ukukhanya okuvuyisayo kwintloko yenzwa ngefiber optical okanye i-fiber optical ukonwabisa izinto zefluorescent.
3. Umtshini we-Fluorescence: Umtshini we-fluorescence ubekwe kwindawo engezantsi yesixhobo kwaye isetyenziselwa ukulinganisa ubungakanani besignali ye-fluorescence ephuma kwintloko yenzwa. I-Fluorescence detectors idla ngokubandakanya i-photodiode okanye ityhubhu ye-photomultiplier, eguqula izibonakaliso ze-optical zibe iimpawu zombane.
4. Iyunithi yokucwangcisa umqondiso: Isixhobo sixhotyiswe ngeyunithi yokucwangcisa umqondiso, esetyenziselwa ukuguqula ubuninzi bomqondiso we-fluorescence kwixabiso lokuxiliswa kwe-oksijeni echithiweyo, kwaye ibonise kwisikrini sesixhobo okanye ukuyikhupha kwikhompyutheni. okanye isixhobo sokurekhoda idatha.
5. Iyunithi yokulawula: Iyunithi yokulawula isetyenziselwa ukuseta iiparitha zokusebenza zesixhobo, njengokuqina komthombo wokukhanya wokuvuselela, ukuzuza kwe-fluorescence detector, njl. Ezi parameters zinokuhlengahlengiswa njengoko zifunekayo ukuze kuqinisekiswe ngokuchanekileyo i-oksijeni echithwe. imilinganiselo yoxinaniso.
6. Umboniso kunye nojongano lomsebenzisi: Iimitha ze-oxygen ezichithwayo ze-Fluorescence zivame ukuxhotyiswa ngokubonisa umsebenzisi-friendly kunye ne-interface yokusebenza yokubonisa iziphumo zokulinganisa, ukubeka iiparitha kunye nokusebenza kwesixhobo.
3. Isetyenziswa njani
Umlinganiselo woxinaniso lweoksijini enyibilikileyo kusetyenziswa imitha yeoksijini enyibilikisiweyo ene-fluorescence ihlala ibandakanya la manyathelo alandelayo:
1. Ukulungiswa kwesixhobo: Okokuqala, qiniseka ukuba isixhobo sikwimeko eqhelekileyo yokusebenza. Jonga ukuba isibane sovuselelo kunye nesikhangeli se-fluorescence sisebenza ngokufanelekileyo, ixesha kunye nomhla esalungiswa ngawo isixhobo, kunye nokuba ingaba i-fluorescent ifuna ukutshintshwa okanye ifakwe ngokutsha.
2. Ukuqokelela isampulu: Qokelela isampuli yamanzi ukuba ivavanywe kwaye uqinisekise ukuba isampuli icocekile kwaye ayinayo ukungcola kunye namaqamza. Ukuba kukho imfuneko, isihluzo singasetyenziselwa ukususa izinto eziqinileyo ezinqunyanyisiweyo kunye nentwana.
3. Ufakelo lwenzwa: Gxila ngokupheleleyo intloko yenzwa kwisampulu yamanzi ukuqinisekisa uqhagamshelwano olupheleleyo phakathi kwento ye-fluorescent kunye nesampuli yamanzi. Kuphephe ukudibana phakathi kwentloko yoluvo kunye nodonga lwesikhongozeli okanye umzantsi ukunqanda iimpazamo.
4. Umlinganiselo wokuqalisa: Khetha uQalisa uMlinganiselo kujongano lolawulo lwesixhobo. Isixhobo siya kuvuyisa ngokuzenzekelayo into ye-fluorescent kwaye ilinganise ubunzulu bomqondiso we-fluorescent.
5. Ukurekhoda kwedatha: Emva kokuba umlinganiselo ugqityiwe, isixhobo siya kubonisa iziphumo zokulinganisa i-oxygen concentration. Iziphumo zingabhalwa kwimemori eyakhelwe-ngaphakathi kwisixhobo, okanye idatha ingathunyelwa kwisixhobo sangaphandle sokugcinwa kunye nohlalutyo.
6. Ukucoca kunye nokugcinwa: Emva kokulinganisa, coca intloko yenzwa ngexesha ukuze ugweme intsalela yezinto ze-fluorescent okanye ukungcola. Ukulinganisa isixhobo rhoqo ukujonga ukusebenza kwayo kunye nokuzinza ukuze uqinisekise iziphumo ezichanekileyo zokulinganisa.
4. Iinkalo zesicelo
Iimitha ze-oxygen ezinyibilikisiweyo ze-fluorescence zisetyenziswa ngokubanzi kwiindawo ezininzi. Le ilandelayo yimihlaba yesicelo engundoqo:
1. Ukubeka iliso kokusingqongileyo: Iimitha zeoksijini ezinyibilikisiweyo ze-Fluorescence zisetyenziselwa ukubeka esweni ukuxinana kweoksijini enyibilikileyo kumanzi endalo, imilambo, amachibi, iilwandlekazi kunye namanye amanzi ukuvavanya umgangatho wamanzi wemithombo yamanzi kunye nempilo ye-ecosystem.
2. I-Aquaculture: Kwifama yeentlanzi kunye ne-shrimp, i-oxygen concentration ye-oxygen enyibilikileyo yenye yeeparameters eziphambili. Iimitha ze-oxygen ezinyibilikileyo ze-Fluorescence zingasetyenziselwa ukubeka esweni i-oksijini yoxinaniso olunyibilikileyo kumachibi okuzala okanye imizimba yamanzi ukuqinisekisa ukusinda kunye nokukhula kwezilwanyana ezifuywayo. .
3. Ukucocwa kwamanzi: I-fluorescence imitha ye-oxygen echithwe ingasetyenziselwa ukubeka iliso kwi-oksijini edibeneyo ngexesha lokucocwa kwamanzi amdaka ukuqinisekisa ukuba amanzi amdaka ahlangabezana nemigangatho yokukhupha.
4. Uphando lwaselwandle: Kuphando lwenzululwazi yaselwandle, iimitha zeoksijini ezinyibilikisiweyo zisetyenziselwa ukulinganisa ioksijini enyityilisiweyo emanzini olwandle kubunzulu neendawo ezahlukeneyo ukufunda imijikelo yendalo yaselwandle kunye nemijikelo yeoksijini yolwandle.
5. Uphando lwebhubhoratri: Iimitha ze-oxygen ezinyibilikisiweyo ze-Fluorescence nazo zisetyenziswa ngokuqhelekileyo kwi-biological, i-ecological kunye nophando lwezesayensi yendalo kwiibhubhoratri zokuphonononga ukuchithwa kwe-oxygen dynamics kunye neempendulo zebhayoloji phantsi kweemeko ezahlukeneyo.
6. Udumo lweBrand: Ukukhetha i-fluorescence eyaziwayo kunye nehloniphekileyo echithwe abenzi beemitha ze-oksijeni, ezifana neYSI, i-Hach, i-Lianhua Technology, i-Thermo Fisher Scientific, njl., inokuphucula ukuthembeka kwesixhobo kunye nomgangatho wenkonzo emva kokuthengisa.
I-fluorescence imitha ye-oxygen enyibilikileyo sisixhobo esichanekileyo esiphezulu, esisetyenziselwa ukulinganisa i-oksijini edibeneyo emanzini. Umgaqo wayo wokusebenza usekelwe ekusebenzisaneni kwezinto ze-fluorescent kunye ne-oxygen, kwaye inoluhlu olubanzi lwezicelo, kubandakanywa ukubeka iliso kwendalo, i-aquaculture, unyango lwamanzi, uphando lwaselwandle kunye nophando lwebhubhoratri. Ngenxa yesi sizathu, iimitha ze-oxygen ezinyibilikisiweyo ze-fluorescence zidlala indima ebalulekileyo ekugcineni ibhalansi yendalo yamanzi kunye nokukhusela imithombo yamanzi.
Isixhobo esiphathwayo se-fluorescent se-Lianhua esinyibilikisiweyo seoksijini i-LH-DO2M (V11) sisebenzisa intsimbi engatyiwayo evalwe ngokupheleleyo i-electrode, enomlinganiselo wokungangeni kwamanzi we-IP68. Kulula ukuyisebenzisa kwaye ungumncedisi onamandla ekuboneni ugutyulo, amanzi amdaka kunye namanzi aselabhoratri. Uluhlu lomlinganiselo we-oksijini enyityilisiweyo yi-0-20 mg/L. Akukho mfuneko yokongeza i-electrolyte okanye ukulinganisa rhoqo, okunciphisa kakhulu iindleko zokugcina.
Ixesha lokuposa: Apr-12-2024
