Cov xwm txheej thiab kev tshawb fawb ntawm Carbon Dioxide Detector ntawm Sab Hauv Tsev Carbon Dioxide Cov ntsiab lus
Raws li cov kev cai ntawm lub teb chaws ib puag ncig kev huv huv tus qauv tsim thiab kev kho dua tshiab, peb tau sau cov kev soj ntsuam cov txiaj ntsig ntawm cov pa roj carbon dioxide nyob rau hauv cov huab cua sab hauv ntawm txhua lub nroog hauv lub xeev los ntawm 2004 txog 2008, thiab xaiv cov chaw ua haujlwm thiab cov tsev nyob hauv cov nroog ntawm Jiangnan. thiab Jianghuai, cov nroog hauv Jiangnan, Jianghuai thiab Huaibei Ua kev tshawb nrhiav thiab kev tshawb fawb ntawm cov tsev nyob kom nkag siab txog cov qauv tam sim no thiab qhov xwm txheej tam sim no ntawm cov pa roj carbon dioxide nyob hauv tsev, thiab muab lub hauv paus rau kev kho dua tshiab ntawm "Cov Qauv Kev Noj Qab Haus Huv rau Carbon. Dioxide nyob rau hauv Sab Hauv Tsev".
1 Cov ntsiab lus thiab txoj kev
1.1 Kev sau cov ntaub ntawv
Tsim ib daim ntawv qhia txog kev soj ntsuam cov txiaj ntsig ntawm cov pa roj carbon dioxide nyob rau hauv cov huab cua ntawm cov chav nyob sib txawv ntawm 2004 txog 2008. Cov ntawv ceeb toom yuav tsum muaj xws li cov chaw tsis muaj txiaj ntsig, cov tsev nyob hauv tsev ( faib rau ntau qhov chaw, tsis muaj teeb meem lossis dai kom zoo nkauj rau qhov sib txawv); cov chaw ua haujlwm (nrog rau cov cua txias hauv nruab nrab thiab cov chaw ua haujlwm tsis muaj cua txias); thiab kev soj ntsuam cov txiaj ntsig ntawm carbon dioxide concentration nyob rau hauv cov huab cua sab hauv ntawm ntau qhov chaw pej xeem. Cov ntsiab lus ntawm daim ntawv tshaj tawm yog lub sijhawm saib xyuas, qhov chaw saib xyuas, qhov chaw saib xyuas, kev soj ntsuam txoj kev, ntsuas zaus, ntsuas qhov ntau, qhov nruab nrab concentration, tus qauv sib txawv, thiab lwm yam ntawm txhua xyoo. Lub Xeev Lub Chaw Tswj Xyuas Kab Mob thiab Tiv Thaiv Kab Mob tau tshaj tawm ib daim ntawv los npaj txoj haujlwm no, thiab lub nroog Lub Chaw Tiv Thaiv Kab Mob thiab Tiv Thaiv tau koom nrog cov kws tshaj lij kev noj qab haus huv ib puag ncig yog lub luag haujlwm los sau thiab sau rau hauv tsab ntawv ceeb toom, thiab xav kom xa daim ntawv tshaj tawm ua ntej lub Cuaj Hlis 20. , xyoo 2008.
1.2 Kev saib xyuas ntawm qhov chaw
1.2.1 Tsim ib qho kev sib koom ua ke ntawm qhov chaw soj ntsuam thiab daim ntawv ntsuam xyuas rau qhov concentration ntawm carbon dioxide nyob rau hauv lub nroog huab cua. Wuhu City nyob rau sab qab teb ntawm tus Dej Yangtze thiab Hefei City ntawm Jianghuai thiab Huaihe River tau raug xaiv los ua qhov chaw saib xyuas ntawm qhov chaw, thiab cov chaw ua haujlwm hauv nroog thiab cov tsev nyob tau raug xaiv los ntawm txhua lub nroog rau kev tshawb nrhiav thiab saib xyuas. Lub nroog Hefei tau ua los ntawm Lub Chaw Saib Xyuas Kab Mob Hauv Xeev rau Kev Tiv Thaiv thiab Tiv Thaiv, nrog kev pab los ntawm Hefei Baohe District Center for Disease Control and Prevention.
Tag nrho ntawm 30 lub chaw ua haujlwm thiab 30 lub tsev nyob tau raug tshawb xyuas thaum lub Cuaj Hlis 18, 2008. Wuhu City tau ua los ntawm Wuhu City Center for Disease Control and Prevention, thiab tag nrho ntawm 58 lub chaw ua haujlwm thiab 60 tsev neeg nyob tau raug tshawb xyuas txij lub Cuaj Hlis 10 txog 11, Xyoo 2008.
1.2.2 Tsim cov phiaj xwm kev soj ntsuam ntawm qhov chaw thiab cov ntaub ntawv tshawb fawb txog qhov concentration ntawm carbon dioxide nyob rau hauv lub nroog cov huab cua. Liulang Town, Wuhu County, Wuhu City nyob rau sab qab teb ntawm tus dej Yangtze, Daxingji Town, Baohe District, Hefei City ntawm Jiangnan thiab Huaibei, thiab Wangdian Town, Yingzhou District, Fuyang City, Huaibei Cheeb Tsam tau raug xaiv los ua qhov chaw saib xyuas. Wuhu City nyob rau sab qab teb ntawm tus Dej Yangtze tau ua los ntawm Wuhu Center for Disease Control and Prevention, thiab tag nrho ntawm 30 lub tsev nyob tau tshawb xyuas thaum lub Cuaj Hlis 16, 2008. Hefei City ntawm Jianghuai River thiab Huaihe River tau ua los ntawm cov Lub Chaw Saib Xyuas Kab Mob thiab Tiv Thaiv Hauv Xeev, nrog kev pab los ntawm Hefei Baohe District Center for Disease Control and Prevention. Tag nrho ntawm 30 lub tsev nyob tau raug tshawb xyuas thaum lub Cuaj Hlis 10, 2008. Fuyang City, Huaibei Cheeb Tsam tau ua los ntawm Lub Tsev Haujlwm Saib Xyuas Kabmob thiab Tiv Thaiv Kab Mob, thiab pabcuam los ntawm Lub Chaw Tiv Thaiv thiab Tiv Thaiv Kab Mob ntawm Yingzhou District, Fuyang City. Thaum lub Cuaj Hlis 16, 2008, tag nrho 30 tsev neeg tau soj ntsuam.
1.2.3 Xaiv lub teb chaws tus qauv GB/T18204.24 "Kev Ntsuas Method ntawm Carbon Dioxide nyob rau hauv huab cua ntawm pej xeem qhov chaw", siv cov pa roj carbon dioxide recorder los sau thiab ntsuas cov roj, thiab ua qhov ntsuas ntawm qhov chaw ncaj qha tom qab ntawm qhov chaw calibration .
1.3 Kev txheeb xyuas thiab kev ntsuam xyuas: Excel yog siv rau kev txheeb xyuas cov ntaub ntawv, thiab GB / T17094 "Kev Noj Qab Haus Huv Standard for Carbon Dioxide nyob rau hauv Tsev Cua" yog siv rau kev ntsuam xyuas.
2 Cov txiaj ntsig thiab kev txheeb xyuas
2.1 Sab hauv cov pa roj carbon dioxide concentration hauv nroog cov tsev
Los ntawm 2004 mus rau 2{{10}}08, tag nrho ntawm 2,521 zaug ntawm kev saib xyuas cov concentration ntawm carbon dioxide nyob rau hauv cov huab cua sab hauv ntawm ntau yam cov nroog, qhov ntsuas qhov sib txawv nyob nruab nrab ntawm 0.010 feem pua thiab 1.47 feem pua, tus lej lej yog 0.066 feem pua, qhov ntsuas geometric yog 0.064 feem pua, tus qauv sib txawv yog 0.009, 38 cov neeg mob tau tshaj tus qauv, thiab tus nqi ntawm tshaj tus qauv yog 1.51 feem pua. (Table 1). Kev lag luam hauv tsev so muaj tag nrho 1208 lub sijhawm saib xyuas, nrog rau qhov nruab nrab tus nqi ntawm 0.057 feem pua thiab tus qauv sib txawv ntawm 0.004; lwm qhov chaw pej xeem muaj tag nrho ntawm 1752 lub sijhawm saib xyuas, nrog qhov nruab nrab tus nqi ntawm 0.071 feem pua thiab tus qauv sib txawv ntawm 0.012. Lwm qhov chaw pej xeem siab dua cov tsev so, thiab qhov sib txawv yog qhov tseem ceeb (P<0.05).
2.2 Cov pa roj carbon dioxide concentration hauv cov huab cua sab hauv ntawm cov chaw ua haujlwm hauv nroog
Cov pa roj carbon dioxide ntes tau saib xyuas cov pa roj carbon dioxide nyob hauv huab cua ntawm 90 cov chaw ua haujlwm hauv nroog ntawm qhov chaw, thiab ntsuas 270 zaug hauv tag nrho. Qhov ntsuas ntsuas yog nyob nruab nrab ntawm 0.04{{10}} feem pua thiab 0.088 feem pua, tus lej lej yog 0.057 feem pua, qhov ntsuas geometric yog 0.055 feem pua , thiab tus qauv sib txawv yog 0.009. 2 lub nroog Sib piv cov kev soj ntsuam ntawm qhov chaw ntawm cov pa roj carbon dioxide nyob rau hauv huab cua ntawm 90 lub chaw ua haujlwm, Hefei (0.064 feem pua) yog siab dua Wuhu (0.049 feem pua).
2.3 Concentration ntawm carbon dioxide nyob rau hauv cov huab cua ntawm cov tsev nyob hauv nroog
This time, the concentration of carbon dioxide in the air of 88 urban residential houses was monitored on the spot. The measurement range of the carbon dioxide concentration in the air of 88 urban residential houses in 2 cities was between 0.042% and 0.084%. The geometric mean is slightly higher than that of the kitchen, but the difference between the two is not significant (P>0.05).
2.4 Concentration ntawm carbon dioxide nyob rau hauv cov huab cua ntawm cov tsev nyob hauv nroog
Lub sijhawm no, 90 tsev neeg ntawm cov neeg nyob hauv nroog tau saib xyuas ntawm qhov chaw. Kev ntsuas ntau ntawm carbon dioxide concentration hauv huab cua ntawm 90 tsev neeg ntawm cov neeg nyob hauv nroog hauv 3 qhov chaw yog nyob nruab nrab ntawm 0.028 feem pua thiab 0.090 feem pua.
3 Kev sib tham
3.1 Anhui xeev nyob rau sab qab teb sab hnub tuaj ntawm Tuam Tshoj, nyob rau hauv kev hloov pauv ntawm thaj chaw sov sov thiab thaj tsam subtropical. Tus dej Huaihe thiab tus dej Yangtze khiav thoob plaws thaj tsam ntawm sab hnub poob mus rau sab hnub tuaj, faib lub xeev los ntawm sab qaum teb mus rau sab qab teb mus rau peb thaj chaw ntuj: Huaibei Plain, Jianghuai Hills, thiab Southern Anhui Toj siab. Yog li ntawd, kev hloov kho cov qauv kev noj qab haus huv rau cov pa roj carbon dioxide hauv cov huab cua sab hauv yog tus sawv cev hauv peb lub xeev. Raws li qhov yuav tsum tau muaj ntawm pab pawg tshawb fawb kev tshawb fawb txog kev tsim thiab kho cov qauv kev nyab xeeb hauv lub tebchaws, peb ua tiav kev soj ntsuam cov ntaub ntawv sau thiab tshawb xyuas ntawm qhov chaw ntawm GB/T17 kho dua tshiab094 "Cov Qauv Kev Noj Qab Haus Huv rau Carbon Dioxide nyob rau sab hauv tsev" raws sijhawm. Qhov nruab nrab tus nqi ntawm cov pa roj carbon dioxide concentration hauv kev soj ntsuam cov ntaub ntawv yog 0.066 feem pua , thiab qhov nruab nrab tus nqi ntawm cov chaw sib txawv hauv cov txiaj ntsig kev tshawb fawb yog 0.057 feem pua hauv chaw ua haujlwm, 0.056 feem pua hauv nroog cov neeg nyob hauv chav nyob, thiab 0.052 feem pua ntawm cov neeg nyob hauv nroog. Los ntawm qhov kev xav ntawm ntau tshaj tus qauv, cov ntaub ntawv txheeb xyuas ntawm cov ntaub ntawv soj ntsuam txhua xyoo qhia tau hais tias cov pa roj carbon dioxide concentration tau ntsuas 2,521 zaug, 38 ntawm cov uas tau tshaj tus qauv, thiab tus nqi tshaj tus qauv yog 1.51 feem pua. Qhov laj thawj tseem ceeb ntawm kev tshaj li tus qauv yog vim qee qhov chaw pej xeem tshaj li tus qauv. Kev saib xyuas ntawm qhov chaw ua haujlwm, cov neeg nyob hauv nroog cov chav nyob, thiab cov neeg nyob hauv nroog cov chav nyob tsis tshaj tus qauv.
3.2 Kev soj ntsuam ntawm qhov chaw ntawm qhov concentration ntawm carbon dioxide nyob rau hauv cov huab cua ntawm cov neeg nyob hauv nroog yog qis dua qhov kev tshawb fawb tau tshwm sim nyob rau hauv lub xyoo 1980s, thiab cov concentration ntawm carbon dioxide nyob rau hauv cov huab cua ntawm cov neeg nyob hauv nroog yog qis dua li ntawm peb lub nroog tsav tsheb. Bixi, Sanshui thiab Qilitang hauv xyoo 1990 los ntawm Xu Dongfang thiab lwm tus. Cov kev tshawb fawb tau tshwm sim nyob rau lub caij ntuj sov kuj tseem qis dua cov Xu Yelin li al. nyob rau hauv 1980s, uas tej zaum yuav muaj feem xyuam rau qhov nce nyob rau hauv lub ntim ntawm niaj hnub chav nyob thiab kev hloov nyob rau hauv roj qauv. Txoj Cai Kev Nyab Xeeb rau Carbon Dioxide nyob rau hauv Cov Cua Cua Hauv Tsev tau tsim nyob rau xyoo 1990 thiab tau siv ntau tshaj kaum xyoo. Raws li ib lub koom haum koom nrog hauv kev hloov kho tus qauv, nws yog ib qho tsim nyog thiab raws sij hawm rau Environmental Sanitation Standards Subcomtee ntawm National Sanitation Standards Technical Committee los tawm tswv yim txog kev kho dua tshiab ntawm Cov Txheej Txheem Kev Noj Qab Haus Huv rau Carbon Dioxide hauv Sab Hauv Tsev.
3.3 Lub hauv paus ntawm cov pa roj carbon dioxide hauv tsev yog qhov ua tiav ntawm cov roj thiab cov pa tawm los ntawm tib neeg, thiab qhov kawg yog qhov tseem ceeb. Thaum cov pa roj carbon dioxide nyob sab hauv tsev yog 0 07 feem pua, tib neeg lub cev zoo; thaum cov pa roj carbon dioxide concentration nce mus txog 0.1 feem pua , qee cov neeg xav tias tsis xis nyob. Cov neeg uas nyob hauv ib chav ntev ntev yuav tsis xis nyob, tsis muaj zog, thiab tseem cuam tshuam rau lawv txoj kev noj qab haus huv. Thaum nws nce mus txog 0.15 feem pua, qhov tsis xis nyob yog pom tseeb, thiab thaum nws nce mus txog {{10}}.2 feem pua, qhov teeb meem kev nyiam huv hauv tsev yog qhov tsis zoo. Cov pa roj carbon dioxide yog ib qho kev qhia dav dav uas qhia ncaj qha txog qhov concentration ntawm cov pa phem hauv tsev. Nws qhov kev nce siab qhia tau hais tias qhov ntim ntawm chav nyob yog me me, tsis zoo cua thiab muaj neeg coob coob. Yog li ntawd, cov pa roj carbon dioxide nyob sab hauv tsev raug cuam tshuam los ntawm yam xws li ib tus neeg nyob hauv cheeb tsam, ntim, haus luam yeeb thiab roj combustion. Nrog rau kev txhim kho ntawm tib neeg txoj kev ua neej nyob, thaj chaw vaj tse feem ntau tau nce ntau, thiab cov qauv roj kuj tau hloov pauv ntau. Vim li no, nws tau pom zoo tias qhov kev hloov kho tshiab "Cov Qauv Kev Noj Qab Haus Huv rau Carbon Dioxide hauv Cov Cua Hauv Tsev" yuav tsum tau ua ke nrog qhov ua tau ntawm qhov xwm txheej tiag tiag hauv peb lub tebchaws kom nce qhov siab tshaj plaws tso cai rau ib teev, thiab qhov nruab nrab nruab nrab txhua hnub. tso cai rau cov pa roj carbon dioxide nyob rau hauv thawj cov qauv cua sab hauv tsev (0.10 feem pua) nyob twj ywm tsis hloov pauv lossis txo qis rau 0.09 feem pua. Rau kev pom zoo los ntawm Environmental Sanitation Standards Subcomtee ntawm National Sanitation Standards Technical Committee.
