Iranian Journal of Health and Environment
سلامت و محیط زیست
ijhe
Medical Sciences
http://ijhe.tums.ac.ir
1
admin
2008-2029
2008-3718
000
000
000
000
000
fa
jalali
1404
9
1
gregorian
2025
12
1
18
3
online
1
fulltext
fa
نرخ عددی ترسیب ذرات گرد و غبار در ساختمانهای مسکونی در تهران
Number deposition rate of dust particles in residential buildings in Tehran
هوا
Air
پژوهشي
Research
<div style="text-align: justify;"><span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"><strong>زمینه و هدف:</strong> تاکنون تعداد ذرات گرد و غباری که ممکن است روزانه در ساختمان های مسکونی ترسیب یابد مورد توجه قرار نگرفته است، درحالیکه این نوع آلودگی ممکن است بر سلامت انسان اثر سوء داشته باشد و همچنین در توصیف کیفیت هوای داخل کاربرد داشته باشد. اهداف این مطالعه برآورد نرخ عددی ترسیب ذرات گرد و غبار در ساختمانهای مسکونی در تهران و تحلیل تغییرات در نرخ ترسیب در شرایط مختلف بودند.</span></span></span></span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">روش بررسی:</span></span></span></span></b><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"> در این مطالعه مقطعی 42 نمونه ترسیبی گرد و غبار از ساختمانهای مسکونی تهران در دو دوره در فصول بهار (گرم) و پاییز (سرد) جمعآوری شدند. برای نمونه برداری، ظروف پتری دیش در داخل ساختمانهای مسکونی (پذیرایی، اتاق خواب یا آشپزخانه) به مدت 45 روز قرار داده شد. ذرات ترسیب شده بر روی سط</span></span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">و</span></span></span></span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">ح پتری دیشها مستقیماً و بدون هیچگونه تداخل با استفاده از یک استریومیکروسکوپ شمارش شدند. دادههای به دست آمده با استفاده از نرم افزارهای </span></span></span></span><span dir="LTR" style="line-height:115%"><span style="color:black">Excel</span></span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">، </span></span></span></span><span dir="LTR" style="line-height:115%"><span style="color:black">Origin</span></span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"> و </span></span></span></span><span dir="LTR" style="line-height:115%"><span style="color:black">SPSS</span></span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"> آنالیز شدند.</span></span></span></span><b><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span style="font-family:"B Lotus""></span></span></span></b></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">یافتهها:</span></span></span></span></b> <span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">میانگین نرخ ترسیب ذرات در کل دوره نمونه برداری برابر </span></span></span><span dir="LTR" style="line-height:115%">PN/m<sup>2</sup>/day</span><span style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"> 10<sup>6</sup>×</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">1/34</span></span></span> <span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span calibri="" style="font-family:">±</span></span></span> <span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">10<sup>6</sup>×</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">9/23</span></span></span> <span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">بود. میانگین نرخ ترسیب</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"> در فصل گرم</span></span></span> <span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">(</span></span></span><span dir="LTR" style="line-height:115%">PN/m<sup>2</sup>/day</span> <span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">10<sup>7</sup>×</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">1/10)</span></span></span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"> بطور قابل توجهی بیشتر از فصل سرد </span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">(</span></span></span><span dir="LTR" style="line-height:115%">PN/m<sup>2</sup>/day</span> <span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">10<sup>6</sup>×</span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">7/46)</span></span></span> <span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">بود (0/001></span></span></span><span dir="LTR" style="line-height:115%">p</span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:">). <span style="color:black"></span></span></span></span></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span style="direction:rtl"><span style="unicode-bidi:embed"><span new="" roman="" style="font-family:" times=""><b><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">نتیجهگیری:</span></span></span></span></b><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"> نتایج این مطالعه نشان داد که روزانه تعداد </span></span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">قابل توجهی</span></span></span></span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"> از ذرات گرد و غبار در ساختمانهای مسکونی ترسیب مییابد. نرخ عددی بالای ترسیب همراه با تغییرات آن در شرایط مختلف بیانگر ضرورت توجه بیشتر به این شاخص آلودگی ذرات گرد و غبار </span></span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">در ساختمانهای مسکونی </span></span></span></span><span lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black">است.</span></span></span></span><span lang="FA" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"></span></span></span></span></span></span></span></span></span></span></span><br>
</div>
<div style="text-align: justify;"><b><span style="font-size:11.0pt"><span style="line-height:107%"><span new="" roman="" style="font-family:" times="">Background and Objective:</span></span></span></b> <span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><span style="line-height:115%"> To date, the number of dust particles that may be deposited daily in residential buildings has not yet been considered, while this type of pollution may have adverse effects on human health and can also be used to describe indoor air quality. The aims of this study were to evaluate the number deposition rate of dust particles in residential buildings in Tehran and to analyze its variability under various conditions.</span><span style="line-height:115%"><span style="color:#6128ff"></span></span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:115%">Materials and Methods:</span></b><span style="line-height:115%"> In this cross-sectional study, 42 fallout samples were collected from residential buildings in Tehran during two periods in the spring (warm) and autumn (cold) seasons. </span><span style="line-height:115%">For sampling, Petri dishes were placed inside residential buildings (living room, bedroom, or kitchen) for 45 days.</span><span style="line-height:115%"> The particles deposited on the surfaces of Petri dishes were counted directly </span><span style="line-height:115%">and </span><span style="line-height:115%">without any interference using a stereomicroscope. The obtained data were analyzed using Excel, Origin, and SPSS software.</span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:115%">Results:</span></b><span style="line-height:115%"> Average deposition rate over total sampling period was 9.23×10<sup>6</sup> PN/m²/day. The average deposition rate in the warm season (1.10×10<sup>7</sup> PN/m²/day) was significantly higher than the cold season (7.46×10<sup>6</sup> PN/m²/day) (</span><span style="line-height:115%">p</span><span style="line-height:115%"> <0.001). </span></span></span></span></span></span><br>
<span style="font-size:11pt"><span style="text-justify:kashida"><span style="text-kashida:0%"><span style="line-height:115%"><span new="" roman="" style="font-family:" times=""><b><span style="line-height:115%">Conclusion:</span></b><span style="line-height:115%"> This study showed that a substantial number of dust particles are deposited daily in residential buildings. The high number deposition rate, along with its variability under various conditions, indicates the necessity for increased attention to this metric of dust pollution in indoor environments.</span><b><span dir="RTL" lang="AR-IQ" style="font-size:12.0pt"><span style="line-height:115%"><span b="" lotus="" style="font-family:"><span style="color:black"></span></span></span></span></b></span></span></span></span></span><br>
</div>
ذرات گرد و غبار, ساختمانهای مسکونی, نرخ عددی ترسیب, فصول سرد و گرم
Dust particles, Residential buildings, Number deposition rate, Warm and cold seasons
535
552
http://ijhe.tums.ac.ir/browse.php?a_code=A-10-713-4&slc_lang=fa&sid=1
Zahra
Khodarahmi
زهرا
خدارحمی
zarikhodarahmi1352@gmail.com