Le I-TVOC I-2 isizukulwana sesibini se-fixed gas detector kunye ne-PID (photoionization) iteknoloji yokulinganisa nokulawula i-volatile organic compounds (VOCs) ukuya kwinqanaba le-ppm.
Ngendlela, Yeyiphi imigangatho yomgangatho womoya? Umda wokhuseleko lwempilo: 120 µg/m³ kubuninzi bemihla ngemihla be-avareji yeeyure ezisi-8 ungagqithi ngaphezulu kweentsuku ezingama-25 ngonyaka wekhalenda ngokweavareji ebalwe kwiminyaka emi-3. Umyinge wonyaka: 50 µg/m³. Umyinge weyure kwiiyure ezi-3 ezilandelelanayo: 500 µg/m³. Umyinge wonyaka: 0,5 µg/m³.
Zeziphi izinto ezi-3 zongcoliseko ezilawulayo ukulinganisa njengenxalenye yoxilongo lwe-IAQ ngaphakathi kwe-ERP? 2. unephulo lemilinganiselo ethile ungcoliso (i-formaldehyde, benzene, carbon dioxide kunye ne-tetrachlorethylene ukuba isiseko sisecaleni kwendawo yokucoca okomileyo); 2.
Yintoni iyunithi yoxinaniso lwe-CO2 yangaphakathi kwisakhiwo? A ingqalelo ngokupheleleyo CO2 0,1% okanye 1000 ppm Est ukusukela ngoko yasetyenziswa kwihlabathi liphela njenge “Pettenkofer-zahl” (inombolo yePettenkofer). Ixhomekeke ku ingqalelo Umphandle kunye nomsebenzi wabantu, eli xabiso le-1000 ppm likhokelela ekuphumeni komoya wangaphandle malunga ne-10 dm³/s.
Nangona kunjalo, yintoni ipesenti ye-CO2 emoyeni?
L 'umoya namhlanje iqulathe malunga ne-0,04% ye CO2. Ukusuka kugxininiso oluthile kwiumoya, le gesi iyingozi okanye iyabulala. Ixabiso lomda wokuvezwa Est nge-3% kwithuba lemizuzu eli-15. Eli xabiso akufunekanga ligqithwe.
Indlela yokususa ii-VOCs?
Izenzo zokuqala zokunciphisa i I-COV ngamanyathelo okuqonda: nciphisa imithombo ngokukhetha izinto ezikhutshwa kancinci kunye nefenitshala, khetha iimveliso zakho zokucoca ngononophelo, kwaye ngaphezu kwakho konke ngenisa umoya rhoqo.
Leliphi inqanaba le-CO2 eliyingozi? 800 ppm: kubangela intloko ebuhlungu, isiyezi kunye nesicaphucaphu. Oku kugxininiswa kwe-CO kubangela ukulahlekelwa yingqondo ngaphakathi kwemizuzu engama-45, kunye nokufa kwiiyure ezi-2 ukuya kwezi-3. I-12 ppm: ibangela ukulahlekelwa zingqondo ngokukhawuleza kunye nokufa ngaphakathi kwe-800 ukuya kwi-1 imizuzu.
Yintoni ingxubevange yendalo yeCO2 carbon dioxide emoyeni kwippm? Kuya kufuneka uyazi ukuba icarbon dioxide yi irhasi engenavumba nengenabungozi kubushushu begumbi kunye ingqalelo eqhelekileyo. Ngokomyinge, iumoya Umphandle kule mihla uqulathe malunga ne-0,04% ye CO2, Ilungile i-415 ppm (iinxalenye ngesigidi) [2]. A ingqalelo ngubani - kakuhle Intoni iqhubela phambili - Est ngaphandle kwempembelelo ebantwini.
Ngowuphi umda woxinaniso lweCO2 olucetyiswa nguMbutho wezeMpilo weHlabathi WHO ngeendawo zokuhlala?
Ixabiso le-10 μg/m3 (umndilili wonyaka) okwangoku Kunconywa par l 'WHO ilungisiwe galela ukukhusela uluntu kwiimpembelelo zegesi yenitrogen dioxide sur la zempilo.
Ziphi iiVOC ezininzi ezifumanekayo? I-Volatile Organic Compounds ikhona ngobuninzi kwizinto ezininzi zokwakha kunye nezinto zokuhombisa. Usasazo lwe I-COV I-45% ivela ekusebenziseni izinyibilikisi. THE I-COV les kunye Ezona ziqhelekileyo zezi: terpenes, benzene kunye ne formaldehydes.
Indlela yokuphelisa i-formaldehyde?
Vula ifanitshala entsha kunye neemveliso zokhuni ezicinezelweyo.
Ezi mveliso zikhulula ugxininiso oluphezulu lwe i-formaldehyde xa intsha. Eyona ndlela ilula ye ukususa i-formaldehyde ifenitshala kukukhupha umoya phambi kokuba uyifudusele kwindawo ohlala kuyo.
Indlela yokulwa nongcoliseko lomoya wangaphakathi? Vula ikhaya lakho rhoqo
Ngexesha lobhubhani, phefumlela amagumbi akho kabini ngemini. Nokuba kubanda, kwaye nangexesha lencopho ngco liseko ngaphandle, kubalulekile ukufaka umoya ukuze uhlaziye kwaye uxube umoya, ukuhlambulula kunye nokukhupha umoya. ungcoliso ngaphakathi.
Xa siphefumla kakhulu i-CO2?
Ukuphefumla koxinaniso lwe CO2 phezulu kubangela ezi mpawu zilandelayo: 1% Ukukhawuleza okuncinci kokuphefumla. 2% Ukuphefumla kuba nzulu kwaye ukuya kuthi ga kwi-50% ngokukhawuleza. Emva kweeyure ezimbalwa, ufumana intloko ebuhlungu kunye neempawu zokudinwa.
Ngaba ibhotile yeCO2 ingaqhushumba?
Ikhabhon diokside (CO2)
Il Est ayinakutsha (engatshayo) kwaye ayiqhumi. VS'Est igesi emoyeni que siphefumla yonke imihla. Yena Est ayinabungozi kwiindawo eziphantsi kodwa ineempembelelo ezinobungozi (ukulahlekelwa zingqondo, ukuphefumla) xa ukugxila emoyeni kudlula i-5 okanye i-8%.
Indlela yokunciphisa inqanaba le-CO2 endlwini? amagqabantshintshi ukunciphisa ukukhutshwa kwe CO2 ukusuka kweyam indlu ?
- Faka i-attic yakho, intuthuzelo eluncedo kwimozulu. …
- Imihlaba ekhuselayo ikwakhusela uMhlaba. …
- Gxilisa iindonga zakho ngaphandle: ikhuselo ngokuchasene nokufudumala kwehlabathi! …
- Gxotha uphahla lwakho, ukuphumelela kuwo onke amanani.
Indlela yokulinganisa i-ppm? Inxalenye-ngesigidi-ngesigidi
- Sisebenzisa ubukhulu becala i ppm ukuvakalisa iqhezu lobunzima (1 ppm = 1mg/kg).
- Ukuvakalisa iqhezu lomthamo, sicacisa "ingxenye yesigidi ngevolumu" (ppmv; 1 ppmv = 1 μL / L).
Yayiyintoni ingxinano ye-CO2 emoyeni ngaphambi kwexesha lemizi-mveliso nango-2019?
Ukuya kwireyithi ye CO2 zange yabonwa kwi-200 yezigidi zeminyaka
Inokuya kuthi ga kwi-2.000 yamasuntswana kwisigidi (ppm) ngo-2250. Khumbula ukuba ekuqaleni kwe-revolution. industrial, sa ingqalelo hayi 'était ngaphezu kwe 280 ppm.
Yintoni umahluko phakathi kwe-CO2 kunye ne-carbon dioxide? THE umoya omdaka, esetyenziswa ngokuqhelekileyo phantsi kwefomula yayo yeemolekyuli CO2 (yeathom ye carbon kunye neeathom ezimbini zeoksijini), Est igesi engenambala okanye ivumba.
Ithini ireyithi ye-CO2 kwi-ppm engafanele igqithwe ukuba sifuna ukuqinisekisa imeko yomoya entle kwigumbi lokufundela?
IBhunga eliPhezulu lezeMpilo yoLuntu liyacebisa ungagqithi umda we800 ppm Ugxininiso lwe-CO2 dans l 'umoya ukukhusela kwi-Covid. Oku kusebenza ngokukodwa kwi igumbi lokufundela.
Zeziphi iimpawu zongcoliseko lomoya eziyingozi empilweni? Ngokutsho kwe-WHO, amasuntswana avela kukutsha kweenkuni sont ezinxulumene à ukwanda kwezifo zokuphefumla, ngakumbi i-asthma kunye nesifo esingapheliyo se-pulmonary obstructive (COPD), i-bronchitis kunye ne-otitis media.
Zifumaneka phi ii-VOCs?
Iikhompawundi eziphilayo eziguquguqukayo (I-COV) zizinto ezenziwe ubuncinane iathom yekhabhoni kunye neathom yehidrojeni enye. Zifumaneka kwindawo enegesi emoyeni. Uninzi lwezi zixhobo zithatha inxaxheba kwiimpendulo ze-photochemical ezijongene nokwakhiwa kwe-ozone ye-tropospheric.
Yintoni ii-VOCs? Oko ziiVOCs ? IiCompounds eziguquguqukayo zeOrganic (I-COV) benza iseti yezinto eziphuma kwiintsapho ezahlukeneyo zeekhemikhali. Inqaku labo eliqhelekileyo likuphela kokuphuma komphunga ngokukhawuleza kwiqondo lokushisa. Bona sont iikhompawundi kuquka carbon kunye hydrogen.
Uyiqaphela njani iVOC?
Izibonakaliso ezininzi zinokwenzeka: ukukhohlela, ukungahambi kakuhle kwesifuba, ukungonwabi okubuhlungu kwimeko yokuphefumlelwa okunzulu, kodwa kunye nokuphefumula, impumlo, ukucaphuka kwamehlo kunye nomqala.
Indlela yokuzikhusela kwi-formaldehyde? galela ukukhusela izandla
- Ukunxiba iiglavu kuyacetyiswa ukuba kunikwe iziphumo zesikhumba i-formaldehyde .
- Iiglavu zeNitrile, neoprene kunye nebutyl zinika ukuxhathisa okulungileyo i-formaldehyde .
Yeyiphi imveliso eneformaldehyde?
la iimveliso ingayi :
- des iimveliso iikhemikhali, ezifana: glues. ivanishi. imizobo. …
- des iimveliso izinto zendlu, ezifana: ikhadibhodi. iphepha lodonga. …
- certains iimveliso iinkuni ezidityanisiweyo ezisebenzisa iglu eziqulathe i-formaldehyde , ngokukodwa: iibhodi zamasuntswana. i-fiberboard yoxinaniso oluphakathi.
Ziziphi iimveliso ezine-formaldehyde?
Sihlala sifumana i-formaldehyde kwimpahla kunye nempahla apho inokucaphukisa ulusu kwaye ibangele ukusabela kwe-allergies, i-eczema kunye ne-contact dermatitis (ukuvuvukala kwesikhumba). Kwakhona kufumaneka kwilinen yendlu (amashidi, imithwalo, amakhethini, njl.), izimonyo okanye ifenitshala.