Academic literature on the topic 'Age dependence of pollutant concentrations'

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Journal articles on the topic "Age dependence of pollutant concentrations"

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N., Bravo, Hansen S., Økland I., et al. "Influence of maternal and sociodemographic characteristics on the accumulation of organohalogen compounds in Argentinian women. The EMASAR study." Environmental Research 158 (October 1, 2017): 759–67. https://doi.org/10.1016/j.envres.2017.07.033.

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The occurrence of organohalogen compounds in venous serum from post-partum mothers from two Argentinian cities, Salta and Ushuaia, has been investigated (n = 698). 4,4'-DDE was the most abundant compound in these cities, with geometric means of 33 and 67ng/g lipid weight, respectively. City of residence, age and parity were the main determinants of the accumulation of these compounds. Hexachlorobenzene (HCB) was the second most abundant pollutant in Ushuaia, 8.7ng/g lipid, and β-hexachlorocyclohexane (β-HCH) in Salta, 7.8ng/g lipid. Decabromodiphenyl ether was higher in Ushuaia than Salta, 8.2
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Efimova, Natalia V., Marina V. Kuzmina, and Elena V. Bobkova. "Assessment of the annual trend of chemical aerogenic risk to health and mortality of the population at an industrial center." Hygiene and sanitation 102, no. 12 (2023): 1375–80. http://dx.doi.org/10.47470/0016-9900-2023-102-12-1375-1380.

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Introduction. Ambient air pollution determines high levels of risk to public health, causing excess mortality. 
 The purpose of the study is to analyze the dependence of the seasonal dynamics of pollutants and mortality from major non-infectious diseases in the population of the industrial center of Eastern Siberia.
 Materials and methods. Air pollution in Bratsk was assessed based on data from monitoring systems for 2017–2022, taking into account one-time, average monthly and annual concentrations. Hazard indices and mortality rates (MR) from major causes were calculated. The annual
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Marrone, Erica, Cristina Longo, Jennifer O’Loughlin, et al. "Association between annual exposure to air pollution and systolic blood pressure among adolescents in Montréal, Canada." Health Promotion and Chronic Disease Prevention in Canada 43, no. 4 (2023): 191–98. http://dx.doi.org/10.24095/hpcdp.43.4.04.

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Introduction In adults, chronic exposure to air pollution is associated with elevated blood pressure, but few studies have examined this relationship in youth. We investigated the association between annual ambient concentrations of air pollutants (fine particulate matter [PM2.5] and nitrogen dioxide [NO2]) and systolic blood pressure (SBP) among adolescents in Montréal, Canada. Methods Participants were students aged 15 to 17 years who provided SBP and residential postal code data in 2004/05 through their enrolment in the Nicotine Dependence in Teens study. Annual estimates for 2004 of reside
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Galil, N., and M. Rebhun. "Primary Chemical Treatment Minimizing Dependence on Bioprocess in Small Treatment Plants." Water Science and Technology 22, no. 3-4 (1990): 203–10. http://dx.doi.org/10.2166/wst.1990.0202.

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In wastewater from small communities, institutions, hotels, camps and tourist areas the major pollutants such as organic matter, oil and grease and organic nitrogen are mainly in particulate form, while the soluble fractions of organics and nitrogen are low. This is due to the short residence times in the sewerage systems preventing decomposition and lysis. Such wastewaters are also characterized by high variations in pollution load, mostly in the particulate fraction. Small plants, treating wastewater for discharge to lakes or rivers, have to remove organic pollutants and nutrients, mainly ph
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Nguyen, Thi Thui Nhung, and Irina Vladimirovna Volkova. "Mercury accumulation in bivalve molluscs in hydroecosystem of Red River estuary (Vietnam)." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2023, no. 1 (2023): 82–88. http://dx.doi.org/10.24143/2073-5529-2023-1-82-88.

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The article presents analysis of mercury content in different tissues such as gills, mantle, hepatopancreas and body (leg) in 4 species of bivalve molluscs in the estuary of the Red River in Vietnam. The studies were carried out in 2016–2021 during the main hydrological seasons (during the summer flood and winter low water) at 37 stations in the delta and estuarine coast of the Red River. There are shown the dependences of mercury content in mollusc tissues on the age parameters (length and mass of tissues) and on the content of pollutant in dissolved, suspended forms of near-bottom water laye
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Tereshchenko, Tatyana, Galina Sroslova, Margarita Postnova, Yuliya Zimina, and Mikhail Sroslov. "Influence of Anthropogenic Factors on the State of Woody Plants in Volgograd." Natural Systems and Resources, no. 1 (May 2021): 5–11. http://dx.doi.org/10.15688/nsr.jvolsu.2021.1.1.

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Studies conducted in different cities have shown that trees growing in urbanized areas reduce noise levels and cleanse the air of solid particles, ozone, sulfur dioxide, carbon monoxide, nitric oxide and other pollutants contained in car fumes, transport dust and generated by industry. The reaction to the influence of negative factors in woody plants is in disturbances in metabolism and biochemical composition, their general development also changes, and their population decreases. The indicators of disorders occurring at the cellular and tissue levels are more sensitive to the influence of ne
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Kozlova, Anastasia, Marina Stepantsevich, Vladislav Kukartsev, Aleksey Losev, and Natalya Yagudaeva. "Statistical analysis of seasonal variations in pollutant concentrations in urban atmosphere." E3S Web of Conferences 592 (2024): 06010. http://dx.doi.org/10.1051/e3sconf/202459206010.

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In the context of global climate change and urbanization, the issue of air quality is becoming increasingly relevant. Air pollution poses a threat to human health and ecosystems, highlighting the need for monitoring the concentrations of pollutants. This study examines the seasonal variations in the concentrations of harmful substances in the urban atmosphere using statistical methods. The aim of the research is to analyze time series data on concentrations of carbon monoxide (CO), nitrogen oxide (NO), nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), ammonia (NH3), and particulate mat
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Chan, Edward C., and Timothy M. Butler. "urbanChemFoam 1.0: large-eddy simulation of non-stationary chemical transport of traffic emissions in an idealized street canyon." Geoscientific Model Development 14, no. 7 (2021): 4555–72. http://dx.doi.org/10.5194/gmd-14-4555-2021.

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Abstract. This paper describes a large-eddy simulation based chemical transport model, developed under the OpenFOAM framework, implemented to simulate dispersion and chemical transformation of nitrogen oxides from traffic sources in an idealized street canyon. The dynamics of the model, in terms of mean velocity and turbulent fluctuation, are evaluated using available stationary measurements. A transient model run using a photostationary reaction mechanism for nitrogen oxides and ozone subsequently follows, where non-stationary conditions for meteorology, background concentrations, and traffic
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Girgždienė, Raselė, and Radvilė Rameikytė. "VARIATION OF PM10 MASS AND AEROSOL NUMBER CONCENTRATIONS IN ŠIAULIAI." JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 15, no. 1 (2007): 47–53. http://dx.doi.org/10.3846/16486897.2007.9636907.

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The urban environment is distinguished by higher aerosol and gaseous pollutant concentrations than those in rural areas. A study of aerosol pollutant behavior was performed in an industrial Lithuanian city of Šiauliai. The PM10 mass concentration and meteorological parameter monitoring data were analysed. The aerosol number concentration was measured during a 10‐day experiment in Šiauliai. Analysis of PM10 showed that the workdays‐weekends phenomenon in the PM10 mass concentration distribution was prevailing. The PM10 mass concentration on workdays was higher in comparison with the concentrati
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Khuriganova, Olga I., Vladimir A. Obolkin, Liudmila P. Golobokova, Yuri S. Bukin, and Tamara V. Khodzher. "Passive Sampling as a Low-Cost Method for Monitoring Air Pollutants in the Baikal Region (Eastern Siberia)." Atmosphere 10, no. 8 (2019): 470. http://dx.doi.org/10.3390/atmos10080470.

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The measured concentrations of inorganic pollutants, such as ozone (2015–2018), sulfur, and nitrogen oxides (2012–2018) at air monitoring sites in the south of Eastern Siberia were sampled, following the passive sampling method, and analyzed. The spatial inhomogeneity of atmospheric gas concentrations is presented. The ozone concentration is lower in urban areas than those in rural areas and the background level. However, the nitrogen and sulfur oxide concentrations are higher in the atmosphere over the city site. The seasonal dependence of the ozone concentration was determined using its maxi
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Books on the topic "Age dependence of pollutant concentrations"

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Vuorinen, Ilppo. Post-Glacial Baltic Sea Ecosystems. Oxford University Press, 2018. http://dx.doi.org/10.1093/acrefore/9780190228620.013.675.

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Post-glacial aquatic ecosystems in Eurasia and North America, such as the Baltic Sea, evolved in the freshwater, brackish, and marine environments that fringed the melting glaciers. Warming of the climate initiated sea level and land rise and subsequent changes in aquatic ecosystems. Seminal ideas on ancient developing ecosystems were based on findings in Swedish large lakes of species that had arrived there from adjacent glacial freshwater or marine environments and established populations which have survived up to the present day. An ecosystem of the first freshwater stage, the Baltic Ice La
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Book chapters on the topic "Age dependence of pollutant concentrations"

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"Ground-level ozone as a factor of increase in community- acquired pneumonia rate in Moscow in warm seasons." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.11.2.

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Community-acquired pneumonia is among the most common acute infectious diseases. According to official statistics, the worldwide incidence of community-acquired pneumonia ranges from 150–1400 cases per 100 thousand adults per year and depends on geography, season, and population characteristics. In the structure of morbidity, the share of pneumonia in all respiratory diseases is small. However, pneumonia accounted for up to 50% in the structure of mortality from respiratory diseases in the Russian Federation in the period 2005–2017. The literature describes many community-acquired pneumonia ri
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Conference papers on the topic "Age dependence of pollutant concentrations"

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Jiang, P., I. Bychkov, J. Liu, and A. Hmelnov. "Predicting of air pollutant concentrations based on spatio-temporal attention convolutional LSTM networks." In 1st International Workshop on Advanced Information and Computation Technologies and Systems 2020. Crossref, 2021. http://dx.doi.org/10.47350/aicts.2020.09.

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Forecasting of air pollutant concentration, which is influenced by air pollution accumulation, traffic flow and industrial emissions, has attracted extensive attention for decades. In this paper, we propose a spatio-temporal attention convolutional long short term memory neural networks (Attention-CNN-LSTM) for air pollutant concentration forecasting. Firstly, we analyze the Granger causalities between different stations and establish a hyperparametric Gaussian vector weight function to determine spatial autocorrelation variables, which is used as part of the input feature. Secondly, convoluti
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Hutter, Marek, Radomir Scurek, and Vera Holubova. "STUDY OF THE INFLUENCE OF DRONES ON THE MEASUREMENT OF AIR POLLUTANTS." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/4.1/s19.51.

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Unmanned aerial vehicles (UAV) began being constructed many decades ago. Recently - in line with technological developments - there has also been a progression of its expansion, both among the lay public and its dynamic integration within the security services. One of the desired functionalities of the drones is the continuous measurement of air pollution at the scene of a fire. This paper deals with the question of whether drones, due to the rotation of their rotors, do not affect the values of air pollution, the concentration of which is detected by a detector located on the drone. To confir
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Vidanapathirana, M., N. Perera, R. Emmanuel, and S. Coorey. "Can Colombo port city high-rise tower and podium morphology improve pollutant dispersion and urban ventilation?" In World Construction Symposium - 2023. Ceylon Institute of Builders - Sri Lanka, 2023. http://dx.doi.org/10.31705/wcs.2023.26.

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A rapid increase in high-rise building clusters within developing cities has led to mounting environmental and climatic issues. This is especially highlighted in Asian cities where extreme tropical climates are accentuated by ad-hoc developments, that in turn create unfavourable urban environments. Traffic emissions and air pollution, directly and indirectly, effect the Urban Heat Island (UHI) factor. Studies show that urban ventilation is a key mechanism to ameliorate UHI, reduce pollution stagnation, improve air quality, and reduce dependence on energy-consuming systems, thereby enhancing fu
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Belyaev, B. I., V. I. Shuplyak, V. V. Sikorsky, and G. F. Stelmakh. "Remote diagnostics of the plant leaf structure features: the spectropolarizational nephelometry technique." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/cleo_europe.1994.cfd1.

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It is shown that the laser and optical nephelometric measurements including the spectropolarizational ones at different angles are highly informative for non-contact plant diagnostics. Before recent time the traditional view on the polarization of plant-reflected radiation was a formation of the polarized component due to a specular reflection on the leaf surface exceptionally. Our detailed studies on the spectral and angular dependences of the reflected light polarization degree for the different plant leaves have shown that the singly and multiply scattering on intraleaf structure elements c
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Aguado García, Daniel, Henri Haimi, Anna Mikola, Ana Soares, and Ulf Jeppsson. "Sustainable wastewater treatment solutions for water-smart circular economy." In 2nd WDSA/CCWI Joint Conference. Editorial Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/wdsa-ccwi2022.2022.14702.

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The Protection of aquatic water bodies and human health is a paramount objective accomplished by wastewater treatment systems. Traditionally, pollutants are managed and removed in wastewater treatment plants (WWTPs), following a paradigm in which wastewater is considered a waste. Wastewater treatment requires significant amounts of resources, such as energy and chemicals, while sludge is produced, requiring further treatment. A decade ago, a new paradigm emerged, suggesting that municipal wastewater is a source of resources, particularly reclaimed water, materials (e.g., nutrients) and energy.
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