Ngokuthuthuka okusheshayo kobuchwepheshe obufana ne-inthanethi Yezinto kanye nobuhlakani bokwenziwa, izinzwa zegesi, idivayisi yokuzwa ebalulekile eyaziwa ngokuthi “izinzwa ezinhlanu zikagesi”, zamukela amathuba entuthuko angakaze abonwe. Kusukela ekuqashweni kokuqala kwamagesi anobuthi neziyingozi ezimbonini kuya ekusetshenzisweni kwawo okubanzi ekuxilongweni kwezokwelapha, ikhaya elihlakaniphile, ukuqapha indawo ezungezile kanye neminye imikhakha namuhla, ubuchwepheshe benzwa yegesi bubhekene noshintsho olujulile ukusuka emsebenzini owodwa ukuya kobuhlakani, ukwenza okuncane kanye nobukhulu obuhlukahlukene. Lesi sihloko sizohlaziya kabanzi izici zobuchwepheshe, inqubekelaphambili yocwaningo lwakamuva kanye nesimo somhlaba jikelele sokusetshenziswa kwezinzwa zegesi, ngokunaka ngokukhethekile izitayela zentuthuko emkhakheni wokuqapha igesi emazweni afana ne-China ne-United States.
Izici zobuchwepheshe kanye nezitayela zokuthuthukiswa kwezinzwa zegesi
Njengesiguquli esiguqula ingxenye yevolumu yegesi ethile ibe isignali kagesi ehambisanayo, inzwa yegesi isibe ingxenye ebalulekile nebalulekile kubuchwepheshe bezinzwa besimanje. Lolu hlobo lwesisetshenziswa lucubungula amasampula egesi ngamakhanda okuthola, ngokuvamile okuhlanganisa izinyathelo ezinjengokuhlunga ukungcola namagesi aphazamisayo, ukomisa noma ukwelashwa kwesiqandisi, futhi ekugcineni kuguqule ulwazi lokugxiliswa kwegesi lube amasignali kagesi alinganisekayo. Njengamanje, kunezinhlobo ezahlukene zezinzwa zegesi emakethe, okuhlanganisa uhlobo lwe-semiconductor, uhlobo lwe-electrochemical, uhlobo lokuvutha kwe-catalytic, izinzwa zegesi ye-infrared kanye nezinzwa zegesi ye-photoionization (PID), njll. Ngayinye yazo inezici zayo futhi isetshenziswa kabanzi ezindaweni zokuhlola zomphakathi, zezimboni nezemvelo.
Ukuzinza nokuzwela yizinkomba ezimbili ezibalulekile zokuhlola ukusebenza kwezinzwa zegesi. Ukuzinza kusho ukuphikelela kokuphendula okuyisisekelo kwenzwa phakathi naso sonke isikhathi sayo sokusebenza, okuncike ku-zero drift kanye ne-interval drift. Ngokufanelekile, ezinzwa zekhwalithi ephezulu ngaphansi kwezimo zokusebenza eziqhubekayo, i-zero drift yonyaka kufanele ibe ngaphansi kuka-10%. Ukuzwela kubhekisela esilinganisweni soshintsho ekukhishweni kwenzwa kuya ekushintsheni kokokufaka okukaliwe. Ukuzwela kwezinhlobo ezahlukene zezinzwa kuyahluka kakhulu, ikakhulukazi kuye ngezimiso zobuchwepheshe kanye nokukhetha kwezinto ezibonakalayo ezizisebenzisayo. Ngaphezu kwalokho, ukukhetha (okungukuthi, ukuzwela okuphambene) nokumelana nokugqwala nakho kuyimingcele ebalulekile yokuhlola ukusebenza kwezinzwa zegesi. Okwangaphambili kunquma ikhono lokuqashelwa kwenzwa endaweni yegesi exubile, kuyilapho lokhu kwakamuva kuhlobene nokubekezelela kwenzwa kumagesi aqondiswe ekugxilweni okuphezulu.
Ukuthuthukiswa kwamanje kobuchwepheshe benzwa yegesi kuveza izitayela ezimbalwa ezisobala. Okokuqala nje, ucwaningo nokuthuthukiswa kwezinto ezintsha nezinqubo ezintsha kuqhubekile nokujula. Izinto zosiko ze-semiconductor zensimbi yensimbi njenge-ZnO, SiO₂, Fe₂O₃, njll. sezivuthiwe. Abacwaningi benza i-doping, balungise futhi balungise izinto ezikhona ezizwela igesi ezikhona ngokusebenzisa izindlela zokuguqula amakhemikhali, futhi bathuthukise inqubo yokwenza ifilimu ngesikhathi esifanayo ukuze kuthuthukiswe ukuzinza nokukhetha kwezinzwa. Ngaleso sikhathi, ukuthuthukiswa kwezinto ezintsha ezifana nenhlanganisela kanye ne-hybrid semiconductor izinto ezizwela igesi kanye nezinto ezizwela igesi ye-polymer nakho kuthuthukiswa kakhulu. Lezi zinto zibonisa ukuzwela okuphezulu, ukukhetha kanye nokuzinza kumagesi ahlukene.
Ubuhlakani bezinzwa kungenye indlela ebalulekile yokuthuthukisa. Ngokusetshenziswa ngempumelelo kobuchwepheshe obusha bezinto ezibonakalayo njenge-nanotechnology kanye nobuchwepheshe befilimu emincane, izinzwa zegesi ziya zihlanganiswa futhi zihlakaniphe kakhulu. Ngokusebenzisa ngokugcwele ubuchwepheshe obudidiyelwe obuhlukahlukene obunjengobuchwepheshe be-micro-mechanical kanye ne-microelectronics, ubuchwepheshe bekhompiyutha, ubuchwepheshe bokucubungula amasignali, ubuchwepheshe bezinzwa, kanye nobuchwepheshe bokuhlola amaphutha, abacwaningi bakha izinzwa zegesi ezihlakaniphile ezizenzakalelayo ezikwazi ukuqapha amagesi amaningi ngasikhathi sinye. Inzwa ekwazi ukumelana namakhemikhali ehlukahlukene esanda kwakhiwa iqembu locwaningo lika-Associate Professor u-Yi Jianxin ovela ku-State Key Laboratory ye-Fire Science e-University of Science and Technology of China ungummeleli ojwayelekile walo mkhuba. Le nzwa ibona ukutholwa kwezinhlangothi ezintathu kanye nokuhlonza okunembile kwamagesi amaningi nezici zomlilo ngedivayisi eyodwa 59.
Ukuhlelwa kanye nokwenza kahle kwe-algorithm nakho kuthola ukunakwa okukhulayo. Ngenxa yenkinga yokusabela okubanzi kwenzwa yegesi eyodwa, ijwayele ukuphazamiseka lapho amagesi amaningi ekhona ngesikhathi esisodwa. Ukusebenzisa izinzwa zegesi eziningi ukwenza uhlu kube yisixazululo esisebenzayo sokuthuthukisa ikhono lokuqaphela. Ngokwandisa ubukhulu begesi etholiwe, i-sensor array ingathola amasignali amaningi, okulungele ukuhlola amapharamitha amaningi kanye nokuthuthukisa ikhono lokwahlulela nokuqashelwa. Kodwa-ke, njengoba inani lezinzwa ohlwini likhula, inkimbinkimbi yokucubungula idatha nayo iyakhuphuka. Ngakho-ke, ukulungiselelwa kahle kohlu lwezinzwa kubaluleke kakhulu. Ekulungiseni kwamalungu afanayo, izindlela ezifana ne-coefficient yokuxhumanisa nokuhlaziywa kweqoqo zamukelwa kabanzi, kuyilapho ama-algorithms okuqaphela igesi afana ne-Principal Component Analysis (PCA) kanye ne-artificial neural Network (ANN) alithuthukise kakhulu ikhono lokuqaphela iphethini lezinzwa.
Ithebula: Ukuqhathaniswa Kokusebenza Kwezinhlobo Eziyinhloko Zezinzwa Zegesi
Uhlobo lwenzwa, isimiso sokusebenza, izinzuzo kanye nokubi, ubude bempilo obujwayelekile
I-adsorption yegesi yohlobo lwe-semiconductor inezindleko eziphansi ekushintsheni ukumelana kwama-semiconductors, impendulo esheshayo, ukukhetha okubi, futhi kuthintwa kakhulu izinga lokushisa nomswakama iminyaka engu-2-3.
Igesi ye-Electrochemical ibhekana nokusabela kwe-REDOX ukuze ikhiqize yamanje, enokukhetha okuhle nokuzwela okuphezulu. Kodwa-ke, i-electrolyte inokugqoka okulinganiselwe kanye nempilo yeminyaka engu-1-2 (ye-electrolyte ewuketshezi).
Igesi evuthayo yohlobo lwe-Catalytic ibangela ukushintsha kwezinga lokushisa. Idizayinelwe ngokukhethekile ukutholwa kwegesi evuthayo futhi isebenza kuphela kugesi ovuthayo cishe iminyaka emithathu.
Amagesi e-infrared anonemba okuphezulu ekumunceni ukukhanya kwe-infrared kwamaza obude obuthile, awabangeli ubuthi, kodwa anezindleko eziphakeme kanye nevolumu enkulu kakhulu iminyaka emi-5 kuye kweyi-10.
I-Photoionization (PID) i-ultraviolet photoionization yokutholwa kwe-molecule yegesi yama-VOC inokuzwela okuphezulu futhi ayikwazi ukuhlukanisa izinhlobo zezinhlanganisela iminyaka emi-3 kuye kwemi-5.
Kuyaphawuleka ukuthi nakuba ubuchwepheshe benzwa yegesi buye benza inqubekelaphambili enkulu, zisabhekene nezinselele ezivamile. Ubude besikhathi sezinzwa bukhawulela ukusetshenziswa kwazo emikhakheni ethile. Ngokwesibonelo, isikhathi sokuphila sezinzwa ze-semiconductor cishe iminyaka emi-2 kuya kwemi-3, leyo yezinzwa zegesi ye-electrochemical cishe iminyaka engu-1 kuya kwemi-2 ngenxa yokulahlekelwa yi-electrolyte, kuyilapho leyo yezinzwa ze-electrolyte electrochemical eziqinile zingafinyelela eminyakeni emi-5. Ngaphezu kwalokho, izinkinga ze-drift (ushintsho ekuphenduleni kwenzwa ngokuhamba kwesikhathi) kanye nezinkinga zokungaguquguquki (umehluko wokusebenza phakathi kwezinzwa eziseqoqweni elifanayo) nazo ziyizici ezibalulekile ezikhawulela ukusetshenziswa okubanzi kwezinzwa zegesi. Ekuphenduleni lezi zinkinga, abacwaningi, ngakolunye uhlangothi, bazibophezele ekuthuthukiseni izinto ezizwela igesi kanye nezinqubo zokukhiqiza, futhi ngakolunye uhlangothi, banxephezela noma bacindezela ithonya lenzwa yokukhukhuleka emiphumeleni yokulinganisa ngokuthuthukisa ama-algorithms okucubungula idatha.
Izimo zohlelo lokusebenza ezihlukene zezinzwa zegesi
Ubuchwepheshe bezinzwa zegesi bungene kuzo zonke izici zempilo yomphakathi. Izimo zokusetshenziswa kwayo sekunesikhathi eside zeqa umkhakha wokuqapha ukuphepha kwezimboni ezingokwesiko futhi zanda ngokushesha emikhakheni eminingi njengezempilo yezokwelapha, ukuqapha indawo ezungezile, ikhaya elihlakaniphile, nokuphepha kokudla. Lo mkhuba wezinhlelo zokusebenza ezihlukene awubonisi nje kuphela amathuba alethwa ukuqhubeka kwezobuchwepheshe kodwa futhi uhlanganisa nesidingo esikhulayo somphakathi sokutholwa kwegesi.
Ukuphepha kwezimboni kanye nokuqapha igesi eyingozi
Emkhakheni wokuphepha kwezimboni, izinzwa zegesi zidlala indima engenakushintshwa, ikakhulukazi ezimbonini ezisengozini enkulu njengobunjiniyela bamakhemikhali, i-petroleum, nezimayini. “Uhlelo Lweminyaka Emihlanu lwaseChina Lokukhiqiza Amakhemikhali Ayingozi” ngokusobala ludinga amapaki ezimboni zamakhemikhali ukuze asungule uhlelo olubanzi lokuqapha kanye nokuxwayisa kusenesikhathi ngamagesi anobuthi nayingozi futhi akhuthaze ukwakhiwa kwezinkundla ezihlakaniphile zokulawula ubungozi. I-“Industrial Internet Plus Work Safety Action Plan” iphinde ikhuthaze amapaki ukuthi akhiphe izinzwa ze-inthanethi Yezinto kanye nezinkundla zokuhlaziya i-AI ukuze kuzuzwe ukuqapha kwesikhathi sangempela kanye nokusabela okuhlelekile ezingozini ezifana nokuvuza kwegesi. Lezi ziqondiso zenqubomgomo zikukhuthaze kakhulu ukusetshenziswa kwezinzwa zegesi emkhakheni wezokuphepha ezimbonini.
Izinhlelo zesimanje zokuqapha igesi yezimboni zenze izindlela ezihlukahlukene zobuchwepheshe. Ubuchwepheshe bokuthwebula izithombe ngamafu egesi bubona ngeso lengqondo ukuvuza kwegesi ngokwethula ngokubonakalayo inqwaba yegesi njengoshintsho kumazinga ampunga e-pixel esithombeni. Amandla ayo okuthola ahlobene nezici ezifana nokugxilisa ingqondo nevolumu yegesi evuzayo, umehluko wangemuva wezinga lokushisa, nebanga lokuqapha. Ubuchwepheshe be-Fourier transform infrared spectroscopy bungakwazi ukuqapha ngokwekhwalithi nangesilinganiso esincane izinhlobo zamagesi angaphezu kwama-500 okuhlanganisa nalawo angaphili, aphilayo, anobuthi nayingozi, futhi angaskena ngesikhathi esisodwa izinhlobo ezingama-30 zamagesi. Ifanele izidingo zokuqapha igesi eziyinkimbinkimbi emapaki ezimboni zamakhemikhali. Lobu buchwepheshe obuthuthukisiwe, uma buhlanganiswe nezinzwa zegesi zendabuko, zakha inethiwekhi yokuqapha ukuphepha kwegesi yezimboni enamazinga amaningi.
Ezingeni elithile lokuqaliswa, izinhlelo zokuqapha igesi yezimboni zidinga ukuthobela uchungechunge lwamazinga kazwelonke nawamazwe ngamazwe. "Idizayini Yezinga Lokutholwa Ne-alamu Yamagesi Avuthayo Nanobuthi Embonini Ye-Petrochemical" GB 50493-2019 kanye "Ukucaciswa Okujwayelekile Kobuchwepheshe Kokuqapha Ukuphepha Kwemithombo Enkulu Yengozi Yamakhemikhali Ayingozi" AQ 3035-2010 ihlinzeka ngemininingwane yobuchwepheshe yokuqapha igesi yezimboni, i-United States Health and Administration ithuthukise i-OSHA yase-United States (i-Oly) uchungechunge lwamazinga okuthola igesi, oludinga ukutholwa kwegesi ngaphambi kokusebenza kwendawo evalekile nokuqinisekisa ukuthi ukuhlangana kwamagesi ayingozi emoyeni kungaphansi kwezinga eliphephile lika-610. Amazinga e-NFPA(National Fire Protection Association of the United States), njenge-NFPA 72 kanye ne-NFPA 54, abeka phambili izidingo ezithile zokutholwa kwamagesi avuthayo namagesi anobuthi 6.
Ukuxilongwa kwezempilo kanye nesifo
Inkambu yezokwelapha nezempilo isiba ngenye yezimakethe ezithembisayo zokufaka izicelo zezinzwa zegesi. Igesi ekhishwe emzimbeni womuntu iqukethe inani elikhulu lama-biomarker ahlobene nezimo zezempilo. Ngokuthola lezi zimpawu ze-biomarker, ukuhlolwa kusenesikhathi kanye nokuqapha okuqhubekayo kwezifo kungafinyelelwa. Idivayisi ephathwa ngesandla yokuthola i-acetone eyakhiwe ithimba likaDkt. Wang Di wase-Zhejiang Laboratory's Super Perception Research Center ingummeleli ojwayelekile walolu hlelo lokusebenza. Le divayisi isebenzisa umzila wobuchwepheshe be-colorimetric ukukala okuqukethwe kwe-acetone emphefumulweni womuntu okhishwa umoya ngokuthola ukushintsha kombala wezinto ezizwela igesi, ngaleyo ndlela ithole ukutholakala ngokushesha nangokungenabuhlungu kwesifo sikashukela sohlobo loku-1.
Lapho izinga le-insulin emzimbeni womuntu liphansi, ayikwazi ukuguqula i-glucose ibe amandla bese idiliza amafutha. Njengomunye wemikhiqizo ngemuva kokuwohloka kwamafutha, i-acetone ikhishwa emzimbeni ngokuphefumula. UDkt. Wang Di wachaza 1. Uma kuqhathaniswa nokuhlolwa kwegazi okuvamile, le ndlela yokuhlola umoya inikeza ulwazi olungcono lokuxilonga nokwelapha. Ngaphezu kwalokho, iqembu lithuthukisa inzwa ye-acetone "yokukhululwa kwansuku zonke". Le divayisi egqokekayo eshibhile ingakala ngokuzenzakalelayo igesi ye-acetone ekhishwa esikhumbeni ubusuku nemini. Ngokuzayo, lapho kuhlanganiswa nobuchwepheshe bobuhlakani bokwenziwa, kungasiza ekuxilongeni, ekuqapheni nasekuqondisweni kwemithi yesifo sikashukela.
Ngaphandle kwesifo sikashukela, izinzwa zegesi nazo zibonisa amandla amakhulu ekulawuleni izifo ezingapheli kanye nokuqapha izifo zokuphefumula. Ijika lokugxilisa i-carbon dioxide liyisisekelo esibalulekile sokwahlulela isimo se-pulmonary ventilation yeziguli, kuyilapho amajika okugxilisa ama-gas marker athile abonisa umkhuba wokuthuthukiswa kwezifo ezingapheli. Ngokwesiko, ukuhunyushwa kwale datha kwakudinga ukubamba iqhaza kwabasebenzi bezokwelapha. Kodwa-ke, ngokunikezwa amandla kobuchwepheshe be-intelligence yokufakelwa, izinzwa zegesi ezihlakaniphile azikwazi nje ukubona amagesi futhi zidwebe amajika, kodwa futhi zinqume izinga lokuthuthukiswa kwezifo, zinciphisa kakhulu ingcindezi kubasebenzi bezokwelapha.
Emkhakheni wemishini egqokekayo yezempilo, ukusetshenziswa kwezinzwa zegesi kusesesigabeni sako sokuqala, kodwa amathemba abanzi. Abacwaningi abavela ku-Zhuhai Gree Electric Appliances baveze ukuthi nakuba izinto zikagesi zasendlini zihlukile kumadivayisi ezokwelapha anemisebenzi yokuxilongwa kwesifo, emkhakheni wokuqapha impilo yansuku zonke yasekhaya, izinhlu zezinzwa zegesi zinezinzuzo ezifana nezindleko eziphansi, ukungahlaseli kanye nokwenza okuncane, okwenza kulindeleke ukuthi zivele ngokuqhubekayo ezintweni zasendlini ezifana nemishini yokunakekelwa komlomo kanye nokuqapha kwezixazululo zangempela zokuqapha. Ngokukhula kwesidingo sempilo yasekhaya, ukuqapha isimo sempilo yabantu ngemishini yasendlini kuzoba isiqondiso esibalulekile sokuthuthukiswa kwamakhaya ahlakaniphile.
Ukuqapha imvelo kanye nokuvimbela nokulawula ukungcola
Ukuqapha imvelo kungenye yezinkambu lapho izinzwa zegesi zisetshenziswa kakhulu. Njengoba ukugcizelelwa komhlaba wonke ekuvikelweni kwemvelo kuqhubeka kwanda, isidingo sokuqapha ukungcola okuhlukahlukene emkhathini sikhula usuku nosuku. Izinzwa zegesi zingakwazi ukubona amagesi ayingozi njenge-carbon monoxide, i-sulphur dioxide ne-ozone, ihlinzeka ngethuluzi elisebenzayo lokuqapha izinga lomoya wendawo.
Inzwa yegesi ye-electrochemical UGT-E4 ye-British Gas Shield Company iwumkhiqizo omele emkhakheni wokuqapha imvelo. Ingakwazi ukukala ngokunembile okuqukethwe kwezinto ezingcolisayo emkhathini futhi inikeze ukwesekwa kwedatha okufika ngesikhathi nokunembile eminyangweni yokuvikela imvelo. Le nzwa, ngokuhlanganiswa nobuchwepheshe besimanje bolwazi, izuze imisebenzi efana nokuqapha okukude, ukulayishwa kwedatha, ne-alamu ehlakaniphile, okuthuthukisa kakhulu ukusebenza kahle kanye nokuba lula kokutholwa kwegesi. Abasebenzisi bangakwazi ukulandelela izinguquko zokugcwala kwegesi noma nini nanoma kuphi ngokusebenzisa omakhalekhukhwini babo noma amakhompyutha, okuhlinzeka ngesisekelo sesayensi sokuphathwa kwemvelo nokwenza inqubomgomo.
Mayelana nokuqapha izinga lomoya wasendlini, izinzwa zegesi nazo zidlala indima ebalulekile. Izinga le-EN 45544 elikhishwe i-European Committee for Standardization (EN) lenzelwe ngokukhethekile ukuhlola ikhwalithi yomoya wasendlini futhi ifaka izidingo zokuhlola amagesi ayingozi ahlukahlukene 610. Izinzwa ezivamile ze-carbon dioxide, izinzwa ze-formaldehyde, njll. emakethe zisetshenziswa kakhulu ezindaweni zokuhlala zomphakathi, ezakhiweni zezentengiselwano nasezindaweni zokuzijabulisa zomphakathi, ukusiza abantu bakhe indawo enempilo nenethezekile yasendlini. Ikakhulukazi phakathi nobhadane lwe-COVID-19, ukungena komoya endlini kanye nekhwalithi yomoya kuthole ukunakwa okungakaze kubonwe ngaphambili, okuqhubeka nokugqugquzela ukuthuthukiswa kanye nokusetshenziswa kobuchwepheshe bezinzwa obuhlobene.
Ukuqapha ukukhishwa kwekhabhoni kuyisiqondiso sohlelo oluvelayo lwezinzwa zegesi. Ngokumelene nesizinda sokungathathi hlangothi kwekhabhoni emhlabeni wonke, ukuqapha okunembayo kwamagesi abamba ukushisa njenge-carbon dioxide sekubaluleke kakhulu. Izinzwa ze-infrared carbon dioxide zinezinzuzo eziyingqayizivele kulo mkhakha ngenxa yokunemba kwazo okuphezulu, ukukhetha okuhle nempilo ende yesevisi. “Imihlahlandlela Yokwakhiwa Kwezinkundla Ezihlakaniphile Zokulawula Ingozi Emapaki Ezimboni Zamakhemikhali” e-China ifake ohlwini ukuqapha kwegesi evuthayo/ enobuthi kanye nokuhlaziywa kokulandela umthombo ovuzayo njengokuqukethwe kokwakha okuyisibopho, okubonisa ukugcizelela kwezinga lenqubomgomo endimeni yokuqapha igesi emkhakheni wokuvikelwa kwemvelo.
I-Smart Home kanye Nokuphepha Kokudla
I-Smart Home iyimakethe yezicelo zabathengi ethembisa kakhulu yezinzwa zegesi. Njengamanje, izinzwa zegesi zisetshenziswa kakhulu ezintweni zikagesi zasendlini njengezihlanzi zomoya nezipholile emoyeni. Kodwa-ke, ngokwethulwa kwama-sensor array nama-algorithms ahlakaniphile, amandla okusebenza kwawo ezimeni ezifana nokugcinwa, ukupheka, nokuqapha impilo athintwa kancane kancane.
Mayelana nokugcinwa kokudla, izinzwa zegesi zingakwazi ukuqapha iphunga elibi elikhishwe ukudla ngesikhathi sokugcina ukuze kutholakale ukusha kokudla. Imiphumela yocwaningo yakamuva ibonisa ukuthi kungakhathaliseki ukuthi inzwa eyodwa isetshenziselwa ukuqapha ukugxila kwephunga noma i-gas sensor array ehlanganiswe nezindlela zokuqaphela iphethini iyamukelwa ukuze kunqunywe ukusha kokudla, imiphumela emihle ifinyelelwe. Nokho, ngenxa yobunkimbinkimbi bezimo zangempela zokusetshenziswa kwesiqandisi (njengokuphazamiseka kwabasebenzisi ukuvula nokuvala iminyango, ukuqala nokumisa ama-compressor, nokujikeleza komoya wangaphakathi, njll.), kanye nomthelela ofanayo wamagesi ahlukahlukene aguquguqukayo avela ezithakweni zokudla, sisekhona indawo yokuthuthukisa ukunemba kokunqunywa kokusha kokudla.
Izinhlelo zokupheka zingesinye isimo esibalulekile sezinzwa zegesi. Kunamakhulu ama-gaseous compounds akhiqizwa ngesikhathi sokupheka, okuhlanganisa i-particle, ama-alkanes, ama-aromatic compounds, ama-aldehydes, ama-ketones, ama-alcohol, ama-alkenes nezinye izinhlanganisela eziphilayo eziguquguqukayo. Esimweni esiyinkimbinkimbi kangaka, ama-gas sensor array abonisa izinzuzo ezisobala kakhulu kunezinzwa ezizodwa. Ucwaningo lubonisa ukuthi izinhlu zenzwa yegesi zingasetshenziswa ukucacisa isimo sokupheka sokudla ngokusekelwe ekuthandeni komuntu siqu, noma njengethuluzi elisizayo lokuqapha ukudla ukuze ubike njalo imikhuba yokupheka kubasebenzisi. Kodwa-ke, izici zemvelo yokupheka ezifana nokushisa okuphezulu, imfucumfucu yokupheka kanye nomhwamuko wamanzi kungabangela kalula ukuthi inzwa ibe "ubuthi", okuyinkinga yezobuchwepheshe okudingeka ixazululwe.
Emkhakheni wokuphepha kokudla, ucwaningo lwethimba lika-Wang Di lubonise inani elingaba khona lesicelo sezinzwa zegesi. Bahlose umgomo "wokuhlonza inqwaba yamagesi kanyekanye ne-plug-in encane yeselula", futhi bazibophezele ekwenzeni ulwazi lokuphepha kokudla lutholakale kalula. Le divayisi edidiyelwe kakhulu yokunuka ingakwazi ukubona izingxenye ezishintshashintshayo ekudleni, inqume ubusha nokuphepha kokudla, futhi inikeze izinkomba zesikhathi sangempela kubathengi.
Ithebula: Izinto Zokutholwa Okuyinhloko kanye nezici zobuchwepheshe zezinzwa zegesi emikhakheni ehlukahlukene yohlelo lokusebenza
Izinkambu zohlelo lokusebenza, izinto zokutholwa eziyinhloko, izinhlobo zezinzwa ezivame ukusetshenziswa, izinselele zobuchwepheshe, amathrendi okuthuthukisa
Igesi evuthayo yokuphepha kwezimboni, uhlobo lokuvutha kwegesi enobuthi, uhlobo lwe-electrochemical, ukubekezelela imvelo okunonya ukuqapha okuhambisanayo kwegesi eningi, ukulandelwa komthombo ovuzayo
I-acetone yezokwelapha nempilo, i-CO₂, uhlobo lwe-semiconductor ye-VOCs, ukukhetha kohlobo lwe-colorimetric nokuzwela, ukuxilongwa okugqokekayo nokuhlakaniphile
Ukuthunyelwa kwegridi yokuzinza kwesikhathi eside kanye nokudluliswa kwedatha yesikhathi sangempela ukuze kuqashwe ukungcola komoya kanye namagesi abamba ukushisa ngendlela ye-infrared ne-electrochemical.
Igesi eguqukayo yokudla yasekhaya ehlakaniphile, uhlobo lwe-semiconductor yokupheka intuthu, amandla okulwa nokuphazamiseka kwe-PID
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Isikhathi sokuthumela: Jun-11-2025