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Wannan gurabata iska a cikin gari? Abin da abubuwa ƙazantar da iska?
Canza gas abun da ke ciki na da yanayi - sakamakon mai hade da na halitta mamaki a cikin yanayi da kuma ayyukan mutane. Amma wanda daga wadannan matakai mamaye a wannan lokacin? Don gano, mu farko bayyana cewa ƙazantar da iska. Its gwada da m abun da ke ciki a 'yan shekarun nan shi ne batun gagarumin hawa da sauka. Cikin manyan matsalolin da watsi da iko da kuma kariya na tsarki da iska tasa a matsayin wani misali na wannan aikin a cikin birane.
Shin, abun da ke ciki na da yanayi da aka canza?
Air gurbatawa ecologists la'akari da canza ta Averages tattara a kan wani dogon lokaci na kallo. Da suka faru a sakamakon yawa iri jama'a tasirin a kan yanayi, kazalika da saboda halitta tafiyar matakai. Alal misali, iska pollutants, kuma musanyãwa da gas abun da ke ciki na yanayi, kafa a sakamakon numfasawa, photo- da chemosynthesis a cikin sel rayayyun kwayoyin halitta.
Bugu da kari ga halitta, akwai wani mutum da aka yi gurbatawa. Ya kafofin iya zama watsi da duk wani samar da wuraren, sharar gida gas da zamantakewa iyali kansu, kai da kima. Wannan shi ne daidai abin da iska gurbatawa barazanar mutum kiwon lafiya da kuma walwalar da dukan yanayi. Babban Manuniya na abun da ke ciki na yanayi ya kasance canzawa, kamar a cikin zane a kasa.
Da abun ciki na wasu daga cikin aka gyara a cikin yanayi na karamin, amma shi ne a dauki la'akari lokacin da yankan shawara da abubuwa ƙazantar da iska, da kuma wanda suke m zuwa rayayyun kwayoyin halitta. A tebur a kasa, sai dai da asali, kuma ya hada da akai aka gyara daga iska, da abinda ke ciki na wanda qara a lokacin volcanic, tattalin arziki da ayyukan yawan (carbon dioxides da nitrogen, methane).
Wannan bai ƙazantar da iska?
A gas abun da ke ciki na yanayi a kan tekuna, tekuna, da kuma natsuwa, gandun daji, biosphere reserves m canje-canje idan aka kwatanta da biranen. Hakika, a cikin yanayi na sama halitta abubuwa ma sami abubuwa. Iskar gas musayar a cikin biosphere ne m. Amma a kunsa mamaye da tsari, wanda ba ya ƙazantar da iska. Alal misali, a cikin gandun daji - photosynthesis a kan gawawwakin ruwa - evaporation. Kwayoyin cutar gyara nitrogen daga iska, da shuka ya zama ruwan dare da kuma sha carbon dioxide. A yanayi a kan tekuna da ruwaye tare da cikakken ruwa tururi, aidin, bromine, chlorine.
Abin da gurabata iska?
Haɗari ga rayayyun kwayoyin halitta ne sosai bambancin mahadi, duk aka sani ga fiye da 20,000 biosphere pollutants. A birane yanayi, masana'antu da kuma harkokin sufuri da cibiyoyin ba da sauki da kuma hadadden gaseous abubuwa, aerosols, kananan m barbashi. Mun jera wanda abubuwa ƙazantar da iska:
- carbon da carbon gas (carbon dioxide mono- kuma);
- sulfur da sulfur anhydrides (di- da sulfur trioxide).
- nitrogen mahadi (oxides da kuma ammonia).
- methane da sauran gaseous hydrocarbons.
- turɓãya, toka da kuma particulate al'amari, msl, a tama karafa filin.
Mene ne kafofin na watsi?
Cutarwa iska pollutants abubuwa shigar da yanayi ba wai kawai a gas da tururi jihar, amma a cikin nau'i na kankanin droplets, m barbashi na daban-daban masu girma dabam. Allowance samu daga kamfanonin da kai gurbatawa ne takamaiman mahadi, su kungiyoyin (m, gaseous, ruwa).
Taro na gyarawa da kuma m aka gyara daga iska dabam a lokacin da rana, bisa ga yanayi. A cikin lissafin abin gurɓatawa cikin asusun yanayi matsa lamba, zazzabi, iska shugabanci, saboda yanayin yanayi shafi abun da ke ciki na yanayi iyaka Layer. Canje-canje a cikin yawa na mafi yawan aka gyara, kamar carbon dioxide, ba kawai faruwa a lokacin shekara. An karuwa a cikin adadin CO 2 a karshe shekara ɗari (da greenhouse sakamako). A wasu lokuta, canje-canje na yawa sa da na halitta mamaki. Wannan na iya zama volcanic eruptions, maras wata-wata jimloli mai guba mahadi daga ƙasa, ko ruwa a zabi yankunan. Amma mafi zuwa unfavorable canje-canje a cikin yanayi abun da ke ciki kaiwa mutum aiki.
Wannan gurabata iska a duniya? Halitta da mutum ya kafofin na cutarwa da kima. A karshe suna gyarawa (bututu Enterprises, boilers, man-ciko tashoshin shafi) da kuma mobile (daban-daban halaye na kai). Lissafa abubuwan da asali abubuwa wanda zo daga iska pollutants:
- aiki da kamfanoni na mutane da yawa masana'antu.
- aiki, inda hakan ma'adinai da aka gudanar;
- motoci (ƙazantar da iska ta kona man fetur samu daga man fetur, da gas ko wasu carbon-dauke da abubuwa);
- cika tashar gaseous da ruwa habaka.
- tukunyar jirgi amfani da burbushin habaka, kuma su da-kayayyakin.
- polygons da landfills, inda da abubuwa da gur iska, kafa ta lalace daga bazuwar na masana'antu da kuma m tõzarta.
Aikin gona ƙasashe kamar filayen, gidãjen Aljanna, gonaki, kuma taimakawa wajen wani m canji a cikin abun da ke ciki na yanayi. Wannan shi ne saboda da aikin art, barbarar, spraying da magungunan kashe qwari.
Mene ne babban tushen iska?
Yana yi na'am da yawa cutarwa mahadi zuwa sararin sama domin jefa, incineration a gobara a garuruwa, a cikin gandun daji, filayen da kuma filayen. A densely lugar yankuna, mafi gagarumin taimako ga canji a cikin abun da ke ciki na surface Layer na motocin taimaka yanayi. Yana asusun, bisa ga daban-daban kiyasta su zama daga 60 zuwa 95% na gaseous da kima.
Wannan gurabata iska a cikin gari? Population urbanized kasashen musamman wahala daga mai guba kayayyakin na konewa da kuma man fetur. A cikin abun da ke ciki na watsi ƙunshi m barbashi, kamar toka da gubar, da ruwa da kuma gaseous mahadi: sulfur dioxide, carbon monoxide, nitrogen oxides, hydrocarbons da su Kalam.
Shuke-shuke da iska a masana'antu yankunan inda raya masana'antu, karfe aiki tama, gishiri, man fetur, da kwal da kuma gas. A abun da ke ciki na watsi bambanta dangane da kafa sassa a daya ko wani yankin kasar. A najasa iska a birane akai-akai ƙunshi konewa kayayyakin, daga gare su akwai da yawa Carcinogens, msl, dioxin. Hayaki ya taso ne daga cikin gandun daji, steppe da peat gobara, kona ganye da tarkace. Sau da yawa ƙona itace Lambuna da sharar gida a cikin karkata daga garuruwa, amma, wani lokaci ma kai tsaye a kan tituna, sanya wuta ga foliage, ciyawa.
Abin da abubuwa dauke da watsi daga masana'antu da kuma kai?
Wannan gurabata iska a cikin gari? A cikin masana'antu cibiyoyin aikin, masana'antu, sufuri, mai amfani kuma yi kamfanonin. Kowane abu akayi daban-daban da kuma tare da wani fasaha tasiri a kan muhalli. Sau da yawa abin gurɓatawa mu'amala. A mafi yawan lokuta akwai rushe nonmetal oxides a ruwa droplets - don haka kafa "acid" hazo da kuma ruwan sama. Sun sa irreparable lalacewar yanayi, mutum kiwon lafiya da kuma gine-gine da fitacciyar.
Total watsi da gur ~ a birane da isa dubban daruruwan ton. The most girma na mai guba mahadi zuwa daga metallurgical, makamashi, sunadarai, sufuri masana'antu. Shuke-shuke da iska toxics: ammonia benzapirenom, sulfur dioxide, formaldehyde, mercaptan, phenol. A wani ɓangare na manyan masana'antu shuka watsi dauke daga 20 zuwa 120 iri sadarwa. Don a karami har cutarwa mahadi aka kafa a hadawa abinci da masakun, a makarantu, da kiwon lafiya da al'adu.
Mai hadari idan Organic sharar gida kayayyakin na konewa?
A birane, za a haramta don a ƙona auku ganye, ciyawa, pruning, marufi, kayan gini da sauran masana'antu da kuma sharar gida. Acrid hayaki ya ƙunshi abubuwa da gur yanayi. Su ne cutarwa ga lafiyar dan adam, worsen da] aukacin halin yanayi.
Gangami rashin fahimtar da mutane da kuma ma'aikata na kamfanonin da suke karya dokoki na kyautata, exacerbating da riga unfavorable muhalli halin da ake ciki, a lokacin da ƙona shara tsibi tsibin, kuma taki a gonakinsu, a cikin farfajiya na Apartment gine-gine kafa wuta vata kwantena. Sau da yawa sosai da datti ba filastik kwalabe, film. Wannan hayaki ne musamman cutarwa saboda thermal bazuwar kayayyakin na polymer. A cikin Rasha Federation ga datti kona a kauyen gefensa fanarite.
A konewa shuka sassa, kasusuwa, dabba konkoma karãtunsa fãtun, polymers da sauran kwayoyin kira na carbon oxides ake kasaftawa, ruwa tururi, nitrogen mahadi bit. Amma wannan ba duk da iska pollutants, wanda aka kafa a lokacin da kona ko smoldering sharar gida, gidan datti. Idan ganye, twigs, da ciyawa da kuma sauran kayan rigar, shi tsaye daga mafi guba abubuwa fiye da m ruwa tururi. Alal misali, sa'ad 1 ton smoldering rigar foliage saki game da 30 kg CO (carbon monoxide).
Tsaya kusa da wani smoldering tari na datti - shi ne kamar zama a cikin mafi najasa titi kai birnin. A hatsari na carbon monoxide ne cewa shi ta ɗaure zuwa haemoglobin. A sakamakon carboxyhemoglobin ba zai iya isar da oxygen zuwa Kwayoyin. Sauran abubuwa da ƙazantar da yanayi, zai iya sa rushewa daga cikin bronchi da kuma huhu, da guba, exacerbation na kullum cututtuka. Alal misali, ta hanyar inhalation na carbon monoxide zuciya aiki tare da m kaya, tun kasa oxygen ana tsĩrar da kyallen takarda. A wannan yanayin, na iya worsen cututtukan zuciya. An ma fi girma hadari ne hade da carbon monoxide gur ~ a masana'antu watsi, shaye kai.
Standards na yawa daga gur ~
Watsi zo daga baƙin ƙarfe da karfe, da kwal, man fetur da kuma iskar gas aiki shuke-shuke, ikon wurare, yi da kuma mai amfani da masana'antu. Rediyoaktif samu na fashewa a chernobye nukiliya ikon shuka da kuma makaman nukiliya ikon shuka a Japan ya yada a duniya. Alama karuwa a cikin abun ciki na carbon oxides, sulfur, nitrogen, freons da kuma sauran m rediyoaktif watsi a sassa daban-daban na duniya tamu. Wani lokaci gubobi gano nisa daga wurin da kamfanoni suna da gur iska. Wannan halin da ake ciki ne da damuwa, da wuya a warware duniya matsalolin 'yan Adam.
Back a shekarar 1973, da dacewa kwamitin na World Health Organization (WHO) ta samarwa sharudda ga kimantawa ingancin iska a birane. Masana sun gano cewa, jihar na mutane ta kiwon lafiya ta 15-20% dangane da muhalli da yanayi. A kan tushen da yawa karatu a XX karni da aka ayyana m matakan da manyan gur ~ m ga mutane. Ga misali, da talakawan taro na dakatar da barbashi a cikin iska dole 40 g / m 3. Da abun ciki na sulfur oxides kada wuce 60 MG / m 3 a kowace shekara. Domin carbon monoxide da m tsakãtsaki - 10 MG / m 3 ga 8 hours.
Mene ne iyakar halatta taro (MPC)?
Resolution na Cif Jihar Sanitary Doctor na Rasha Federation amince da hygienic misali daga cikin abun ciki na kusan 600 cutarwa mahadi a cikin yanayi ƙauyuka. Wannan MPC da gur ~ a iska line wanda ya nuna babu illa a kan mutum da kuma yanayin tsafta. Da ake bukata ana nuna Hazard azuzuwan na mahadi, da dabi'u da suka abun ciki a cikin iska (MG / M3). Wadannan sigogi aka kayyade lokacin da sabon data a kan yawan guba na mutum abubuwa. Amma dai ba duka. Jerin daftarin aiki ne yanzu 38 abubuwa ga wanda wata ban a kan watsi saboda su babban nazarin halittu aiki.
Ta yaya jihar iko a fagen iska kariya?
Anthropogenic canje-canje a cikin abun da ke ciki na iska gubar zuwa mummunan sakamakon a cikin tattalin arzikin, tabarbarewar kiwon lafiya da kuma rage rayuwar jama'a. Matsalar kara kudaden shiga na cutarwa mahadi cikin yanayi a matsayin damu gwamnati, jihar da kuma na birni gwamnatoci, da kuma jama'a, talakawa mutane.
The dokokin na kasashen da dama na samar da aikin injiniya da kuma muhalli da safiyo kafin yi, maimaitawa da kuma na zamani da kusan dukan abubuwa na tattalin arziki. Yana da za'ayi wani daraja daga gur ~ a cikin iska, shan matakai don kare yanayi. Warware matsalolin na rage anthropogenic load a kan yanayi, akan rage watsi da jini na pollutants. A Rasha, tallafi na dokokin na tarayya, a kan batun kare muhalli, iska, da kuma sauran 'yan majalisu da kuma normative-doka ayyukan gudãnar da ayyukan a cikin muhalli filin. Aiwatar da jihar muhalli iko, iyakance ta contaminants za'ayi watsi rationing.
Mene ne Mae?
Enterprises, gurbata iska dole dauki kaya samu kafofin da cutarwa mahadi a cikin iska. Yawancin lokaci, wannan aiki ya sami ta ma'ana ci gaba a kayyade da iyakar halatta watsi (MPE). Da bukatar a samu wannan daftarin aiki ne alaka da daraja na anthropogenic tasiri a kan yanayi. A kan tushen da bayanai da suke kunshe a cikin MPE, kamfanin sami wani yarda to emit pollutants cikin yanayi. na yau da kullum watsi data ake amfani da yin lissafi biya ga mummunan tasiri a kan muhalli.
Idan girma na VAT da kuma yarda ba, na watsi daga gurbatawa kafofin located a cikin masana'antu makaman ko wasu masana'antu da harkokin kasuwanci biya a 2, 5, 10 sau more. Daidaita gur ~ a iska da zai kai ga yanayi don rage mummunan tasiri. Akwai wani tattalin arziki da tutu da aiwatar da matakan da kariya yanayi daga ta m zuwa waje mahadi.
Biya don gurbacewar muhalli ya fito daga cikin kamfanonin, tara ta gida da kuma tarayya hukumomi a musamman kasafin muhalli kudi. Kudi ya ciyar a kan muhalli ayyuka.
Yadda za a tsabtace da kuma kare iska a masana'antu da sauran wurare?
Tsarkakewa na gurbata iska ne da za'ayi ta hanyoyin daban-daban. A cikin tukunyar jirgi bututu da kuma aiki shuke-shuke shigar tace, akwai turɓãya da getter kafuwa. Ta hanyar amfani da thermal bazuwar da kuma hadawan abu da iskar shaka, wasu guba abubuwa suna canza kama zuwa m mahadi. Kama watsi da cutarwa gas a cikin sandaro ne da za'ayi da hanyoyin amfani da sha na impurities sorbents, catalysts domin tsarkakewa.
A nan gaba na iska kariya alaka aiki a kan akan rage gur ~ cikin yanayi. Wajibi ne a ci gaba dakin gwaje-gwaje iko watsi a birane, a kan aiki karauka. Ya kamata a ci gaba da gabatar da daskararru dawo da tsarin daga gaseous garwayayye a kan shuke-shuke. Bukatar cheap zamani na'urorin ga tsaftacewa watsi da mai guba gas da kuma aerosols. A jihar iko filin na bukatar wani karuwa a yawan posts don dubawa da kuma daidaitawa da mota shaye da kima. Energy masana'antu da kuma motocin kamata fassara a cikin ƙasa da cutarwa daga wani muhalli ra'ayi, habaka (kamar iskar gas, man shuke-shuke). By su konewa kasaftawa kasa m da ruwa gurɓatawa.
Mene ne muhimmancin kore sarari a cikin iska tsaftacewa?
Yana da wuya a overestimate da taimako na shuke-shuke zuwa cika oxygen reserves a duniya, yi garkuwa gurɓatawa. Gandun daji da ake kira "kore zinariya", "huhu na duniya" domin leaf photosynthetic iya aiki. Wannan tsari ne da sha na carbon dioxide da ruwa, da iskan shaqa, da samuwar sitaci a cikin haske. Tsire-tsire emit maras tabbas a cikin iska - abubuwa detrimental sakamako a kan cuta-haddasa microbes.
Kara yanki na kore sarari a birane - daya daga cikin mafi muhimmanci kare muhalli da matakan. Dasa itatuwa, shrubs, ganye da furanni a cikin yadudduka daga cikin gidajen, a Parks, murabba'ai kuma tare hanyoyi. Shuka ga ƙasa na makarantu da kuma asibitoci, masana'antu da shuke-shuke.
Masana kimiyya sun gano cewa hanya mafi kyau wajen sha da kura da kuma cutarwa gaseous abubuwa daga shuka watsi, kai watsi da shuke-shuke, kamar poplar, Linden, sunflower. Mai emit maras tabbas samar conifer plantations. Iska a Pine, fir, Juniper gandun daji ne sosai m da curative.
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