Ajujuwa shine babban wurin da ɗalibai suke karatu kowace rana.Ingancin iska a cikin aji yana da alaƙa kai tsaye da lafiyar jiki da tunanin ɗalibai da ingancin koyo.Jikinsu yana cikin girma da ci gaba, kuma rigakafin su ga gurɓataccen abu ya fi na manya rauni.Yanayin karatun su ya fi kyau.Ya cancanci kulawa ta musamman.A farkon makarantun firamare da sakandare, "Dabarun Rigakafin Haze" ya taƙaita matsalolin iska a aji tare da ba da wasu lokuta na makarantun Jamus don yin la'akari da sassan ilimi da iyaye.
1. Iskar Aji Hudu Mai cutarwa
Hatsarin kutsawa cikin waje PM2.5 Hatsarin Tauraro: ☆☆☆☆
A cikin rana mai hazo, ko da an rufe ƙofofi da tagogi sosai, ƙananan ƙurar PM2.5 na iya kutsawa cikin azuzuwan ta ƙofofi da tagogi da gibin ginin.Gwaje-gwajen da ba su cika ba sun nuna cewa ƙaddamarwar PM2.5 a cikin aji ya ɗan yi ƙasa da na waje da kusan 10% zuwa 20%.Wannan shi ne saboda dukan ɗaliban suna aiki a matsayin “masu tsarkake jikin mutum.”Matakan kariya na ɗalibai akan PM2.5 kusan sun yi daidai da sifili.Saboda ƙwayoyin PM2.5 suna da ƙanƙanta sosai, jikin ɗan adam ba shi da ikon tacewa da toshe su.Kwayoyin phagocytic alveolar suna haɗiye su cikin sauƙi kuma su shiga cikin bronchus.Saboda haka, PM2.5 na iya haifar da babbar illa ga tsarin numfashi na ɗan adam kuma cikin sauƙi yana haifar da asma, mashako, da dai sauransu.
Babban taro na CO2 yana cutar da ƙimar tauraro: ☆☆
Shahararrun shawarwarin kimiyya: Matsakaicin CO2 na waje yana kusan 400ppm, kuma mutum yana fitar da kusan lita 15 na CO2 a cikin awa daya yayin da yake zaune.A cikin kwanakin hazo, lokacin sanyi da lokacin rani, ƙofofin aji da tagogi yawanci ana rufe su, kuma CO2 na cikin gida yana ƙaruwa.Matsayin CO2 a cikin azuzuwan ɗalibai 35 ya kai 2000 ~ 3000ppm.Mafi girman maida hankali na CO2 yana haifar da ɗalibai don samar da alamun kamar ƙirjin ƙirji, dizziness, damuwa, bacci, da asarar ƙwaƙwalwa.Don haka, lokacin da malamin ya ba da rahoton cewa yaranku koyaushe za su je makaranta, yana yiwuwa mugun CO2 ya shafa.
Dangane da sakamakon gwajin kula da ɗalibi a Ostiriya, lokacin da taro na CO2 ya ƙaru daga 600-800ppm zuwa 3000ppm, ingancin koyo na ɗalibin ya ragu daga 100% zuwa 90%.Hukumar Kula da Muhalli ta Jamus ta ba da shawarar cewa lokacin da hankali bai wuce 1000ppm ba, yanayin tsafta yana da ma'ana, lokacin da maida hankali ya kai 1000-2000ppm, ya kamata a mai da hankali kuma a ɗauki matakan samun iska.Lokacin da CO2 ya fi 2000ppm, yanayin tsabtace iska ba shi da karbuwa.
Kwayoyin cututtuka suna yada haɗari rating rating: ☆☆☆
Ajujuwa suna da cunkoso kuma zafi yana da yawa, kuma ƙwayoyin cuta suna iya haifuwa cikin sauƙi kuma suna yaduwa, kamar su mumps, kaji, mura, ciwon huhu, da dai sauransu;Cibiyoyin karatu suna fuskantar barkewar cututtuka masu yaduwa daga Maris zuwa Afrilu da Oktoba zuwa Disamba kowace shekara.A shekara ta 2007, Shanghai ta gudanar da aikin sa ido ta iska a makarantun firamare da na tsakiya 8 a gundumar Fengxian, kuma ta gano cewa adadin kwayoyin cutar iska da ke cikin ajujuwa ya kai 0.2/cm2 kafin aji, amma ya kai 1.8/cm2 bayan aji na hudu.Idan ajin ba ya da iska sosai, kuma yawan kwayoyin cuta da dalibai ke haifar da tari da atishawa za su taru su bazu, mutum daya zai yi rashin lafiya kuma mutane da yawa za su kamu da cutar.
Ƙimar tauraro na gurɓataccen gurɓataccen abu: ☆☆☆☆
Idan sabon ajujuwa ne da aka gina ko aka gyara, kayan ado na gini da sabbin tebura da kujeru za su lalata iskar gas masu illa, gami da formaldehyde da benzene.Gurbacewar ado na da matukar illa ga lafiyar dalibai, kuma yana da saukin kamuwa da cututtukan jini ga yara, kamar cutar sankarar bargo;a lokaci guda, yana ƙara yawan cutar asma;kuma yana shafar haɓakar basirar ɗalibai.A cikin watan Satumban 2013, sashen kula da muhalli na Wenzhou ya duba azuzuwa 88 ba tare da izini ba a cikin cibiyoyin ilimin yara na yara 17 a Wenzhou, 43 daga cikinsu sun zarce ma'auni na formaldehyde da jimlar ƙwayoyin cuta, wato, 51% na azuzuwan ba su da ingancin iska.
2. Kwarewar Jamusanci a cikin tsaftar iska a aji
A wani lokaci da suka gabata, sau da yawa ana samun labarin cewa iyaye sun aika da injin tsabtace iska zuwa azuzuwan makaranta.Irin wannan yunƙurin na iya ɗan rage lalacewar wasu ƙazantar iska ga ɗalibai;duk da haka, don magance manyan haɗari guda huɗu da aka ambata a sama, wannan digo ne kawai a cikin guga, kuma bai isa ba. Don magance haɗari hudu na iska a cikin aji, don PM2.5, da alama ya kamata a rufe kofofin da tagogi. sosai, kuma ga sauran haɗari guda uku, ya kamata a buɗe kofofin da tagogi don ƙara samun iska.Yadda za a warware wannan sabani?Kwarewar makarantun Jamus ita ce, tasirin iskar tagar yana tasiri ta hanyar iskar da sauri, kuma ba za a iya tabbatar da tasirin tasirin ba, kuma ana hana iska ta taga a cikin hunturu da bazara;don haka, don haɓaka ingancin iska a cikin aji, ya zama dole a hankali kuma a hankali sarrafa wadata da sharar iskar, ta yadda za a iya samar da isasshiyar iska.Adadin sabobin iska, yana shayar da iskar cikin gida mai turbid.Akwai nau'ikan nau'ikan na'urorin samun iska guda biyu da aka girka a cikin aji:
Na'urar samun iska ta tsakiya.
Ya dace da sababbin makarantun da aka gina, kuma ƙarar samun iska na iya saduwa da iska mai kyau na 17 ~ 20 m 3; / h ga kowane ɗalibi.Babban mutumin da ke kan rufin hoton hoton shi ne na'ura mai kwakwalwa ta tsakiya.Fararen bututun zagaye na sama a saman hoton da ke ƙasa sune sabbin hanyoyin samar da iska da dogayen buɗaɗɗen iskar iska a cikin layin azuzuwa.
Ƙarƙashin kayan aikin samun iska
Yin amfani da na'urorin isar da iskar shaka da aka raba ya dace da sabunta makarantu, kuma kowane aji yana samun iska mai zaman kansa.Wuraren masu launin haske a bangon waje a cikin hoton da ke ƙasa sune na'urori masu rarraba iska.
Wasu makarantu a Jamus kuma suna da na'urorin gano ingancin iska da na'urorin ƙararrawa, kuma ana iya daidaita ƙarar iska bisa ga tattarawar CO2.Bugu da kari, galibin na'urorin da ake amfani da su na samun iska a kasar Jamus suma suna da na'urorin dawo da zafi, tare da karfin dawo da zafi sama da kashi 70%, da kuma ba da fifiko kan tanadin makamashi da rage fitar da iska.
Barka da ziyartar gidan yanar gizon mu don ƙarin sani game da samfuranmu. Alibaba
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