Results 21 to 30 of about 43,444 (263)

بهینه‌سازی ارتفاع دودکش برای کاهش انتشار SO₂: مدل‌سازی پراکنش کمی و کیفی با استفاده از نرم‌افزار AERMOD [PDF]

open access: yesPizhūhish dar Bihdāsht-i Muḥīṭ.
زمینه و هدف: امروزه بسیاری از انسان‌ها در معرض آلودگی هوا قرار دارند و این پدیده، سلامت انسان‌ها را از جنبه‌های مختلفی تهدید می‌کند. حضور یک آلاینده با غلظت بیش از حد مجاز دریک محیط طبیعی را آلودگی هوا می‌گویند.
رضا پیکانپور فرد   +3 more
doaj   +1 more source

Decay and durability of building stones in urban environments

open access: yesMateriales de Construccion, 1998
This paper studies the effect of some pollutant agents in urban environments -gaseous SO2, acid rain and solid particles- on carbonate and siliceous building stones with different petrophysic characteristics.
C. M. Grossi   +2 more
doaj   +1 more source

Contaminación atmosférica y calidad del aire en Madrid: Análisis de las concentraciones de SO2, CO, NO2, ozono y PM10 (1980-2003)

open access: yesEstudios Geográficos, 2005
[es] En este artículo analizamos la calidad del aire en Madrid a partir de los límites propuestos por la Directiva europea (1999/30/EC) para el SO2, CO, NO2, ozono y PM10.
Felipe Fernández García
doaj   +1 more source

Una primera estimación del transporte de SO² sobre la Ciudad de México

open access: yesGeofísica Internacional, 1981
Correlation coefficients SO², CO and suspended particles between four monitoring stations located in extreme NW, NE, SW and SE comers of Mexico City urban area are found to be significantly high.
E. Jauregui, D. Klaus, W. Lauer
doaj   +1 more source

High Temperature Oxidation Process of P91 Steel in CO2 Atmosphere Containing SO2 [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
In order to improve the efficiency of power generation system and reduce CO2 emissions power plants work at high temperature and pressure. Under such conditions modified steel 9Cr, which fulfils the requirements concerning creep resistance, is used ...
H. Kominko, A. Jaroń
doaj   +1 more source

Ambient Air Quality in Upper Silesia Region Pre-During, and Post-COVID-19 Periods

open access: yesArchitecture, Civil Engineering, Environment, 2023
Governments worldwide have established lockdowns to limit the spread of COVID-19 during the pandemic. The restrictions on travel and reduction of economic activity have led to a temporary improvement in air quality in several countries, especially in ...
Brągoszewska Ewa   +2 more
doaj   +1 more source

Preliminary inventory of atmospheric emissions (SO2, NOx and TSP) from different industrial sectors in Costa Rica

open access: yesUniciencia, 2021
The use of fuels, urbanization growth, and economic development have influenced the generation of atmospheric pollutants such as NOx (nitrogen oxides), SO2 (sulfur dioxide), and TSPs (Total Suspended Particles).
Daniel Alfaro-Alfaro   +5 more
doaj   +1 more source

TEMPORAL AND SPATIAL VARIATION OF AIR POLLUTION İN BURSA, KOCAELİ AND YALOVA, TURKEY [PDF]

open access: yesActa Geobalcanica, 2017
Air pollution is a serious environmental problem. The anthropogenic air pollutants have been intensified in the atmosphere of industrial and densely populated cities.
Serpil Menteşe
doaj   +1 more source

Pengaruh Penambahan Kaolin Terhadap Reduksi Logam Pb pada Proses Pembakaran Batubara

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2015
Adsorpsi emisi pembakaran briket batubara dengan menggunakan adsorben kaolin telah dilakukan. Penelitian ini bertujuan untuk melihat pengaruh rasio adsorben terhadap performa penyerapan SO2 dan logam berat plumbum (Pb).
Isdawani Is, Asri Gani
doaj   +1 more source

Estimating gaseous pollutants in the air near Daura Refinery, Daura Power Plant and South of Baghdad Power Plant by calculating the fuel discharge

open access: yesPrzegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2021
This study addresses estimation of emission rates and concentrations of SO2, CO and NO2 gases emitted from Daura Refinery (DR), Daura Power Plant (DPP) and South of Baghdad Power Plant (SBPP) by calculating the fuel discharge.
Thaer O. Roomi, Adel S. Abed
doaj   +1 more source

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