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Comparative Analysis of PM10 Emission Rates from Controlled and Uncontrolled Cement Silos in Concrete Batching Facilities 混凝土配料设施中受控与非受控水泥筒仓PM10排放率的对比分析
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.122004
Ahmed El-Said Rady, M. Beheary, M. El-Metwally, A. Zahran
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引用次数: 1
Analysis of the Level of Pollutants in the ICS Location Area ICS选址区污染物水平分析
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.123006
Sokhna Die Ka Dia, Issa Samb, Ousmane Niass, Thaddée Adiouma Seck, Gorgui Ka
The present study deals with the analysis of the level of pollution found in the area where the Chemical Industries of Senegal (ICS) is located. The results of various field surveys and physicochemical analyses show a high exposure of sulphur and phosphate. This study aims to define abatement strategies to reduce the effects of pollution in the area where ICS is located and mitigate the harmful impacts to the health of the population by creating a system to inform the population of the level of concentration of pollutants in the environment. This will allow the different targets to understand pollution, its manifestations and its effects on health and the environment, prevention, participation in the limitation of pollutant emissions and the formation of eco-citizens sensitive to the issue of environmental pollution of ICS.
本研究报告分析了塞内加尔化学工业公司所在地区的污染程度。各种实地调查和物理化学分析的结果表明,硫磺和磷酸盐的暴露程度很高。本研究旨在通过建立一个系统,告知人们环境中污染物的浓度水平,确定减少污染对ICS所在地区的影响的减排战略,并减轻对人口健康的有害影响。这将使不同的目标能够了解污染、其表现形式及其对健康和环境的影响、预防、参与限制污染物排放以及形成对工业技术的环境污染问题敏感的生态公民。
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引用次数: 0
Role of Meteorological Parameters in COVID-19 Pandemic Waves in Delhi, India 气象参数在印度德里COVID-19大流行浪潮中的作用
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.122002
Deepak Gupta, Xiaoli Duan
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引用次数: 0
Impact of Improved Cookstoves on the Level of Household Exposure to CO and PM2.5 in Sub-Saharan Cities: The Case of the City of Ouagadougou 改进炉灶对撒哈拉以南城市家庭CO和PM2.5暴露水平的影响:以瓦加杜古市为例
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.122003
Lucmane Koala, Kayaba Haro, O. Coulibaly, Bernard Nana, Issoufou Ouarma, Edwige Ouedraogo, T. Daho, O. Sanogo, A. Béré
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引用次数: 0
Exposure to Automobile Pollutants and Sperm Quality among Mechanics in Brazzaville (Congo) 布拉柴维尔(刚果)技工接触汽车污染物与精子质量的关系
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.124008
Rancia Colombe Diakouka Diambalou, Presley Jeanel Ibrahim M’sengui Dzamba, Moïse Doria Kaya-Ongoto, Ange Antoine Abena
Atmospheric pollution is today at the heart of all debates because of its potentially harmful effects on the environment, the climate, and human health; it currently constitutes a real public health problem. However, the increase in infertility around the world has led scientists to look for a link between air pollution and fertility. This study consisted of evaluating the short-term influence of automobile pollution on the semen parameters of mechanics in Brazzaville. A cross-sectional, analytical, prospective study between two groups (G1, exposed people and G2, unexposed people) was carried out in Brazzaville on 228 patients, i.e., G1 with 76 subjects and G2 with 152 subjects, between June 2020 and September 2022, a period of 27 months, in order to evaluate, on the one hand, the quality of sperm in men exposed to automobile pollution according to WHO recommendations and, on the other hand, the quality of the air by a colorimetric method, punctual on a Dräger tube coupled with a Dräger Accuro pump. The concentrations of automotive pollutants measured (CO, CO2, NO2, SO2) during this study were all above the 2021 air quality standards required by WHO. These results made it possible to establish a statistically significant link between air pollution and abnormal spermogram parameters, notably mobility, count, and morphology for the spermocytogram. Exposures to automobile pollutants can influence sperm quality, which is consistent with the results of our study. We observed an alteration in the morphology, mobility, and concentration of spermatozoa.
大气污染因其对环境、气候和人类健康的潜在有害影响而成为当今所有辩论的核心;它目前构成了一个真正的公共卫生问题。然而,全球不孕症的增加促使科学家们寻找空气污染与生育之间的联系。本研究旨在评估汽车污染对布拉柴维尔市力学参数的短期影响。横断面分析,两组之间的前瞻性研究(G1,暴露人G2,未曝光的人)在布拉柴维尔进行228例,也就是说,G1与152例76例和G2, 2020年6月至2022年9月,27个月,为了评估,一方面,男性精子的质量受到汽车污染根据世卫组织的建议,另一方面,空气的质量比色法,准时在Dräger管与Dräger Accuro泵耦合。本研究期间测量的汽车污染物(CO、CO2、NO2、SO2)浓度均高于世卫组织要求的2021年空气质量标准。这些结果使得有可能在空气污染和异常精子图参数之间建立统计上显著的联系,特别是精子图的流动性、数量和形态。接触汽车污染物会影响精子质量,这与我们的研究结果是一致的。我们观察到精子形态、活动性和浓度的变化。
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引用次数: 0
June to October Aerosol Optical Depth over the Arctic at Various Spatial and Temporal Scales in MODIS, MAIAC, CALIOP and GOES Data MODIS、MAIAC、CALIOP和GOES数据在不同时空尺度下北极地区6 - 10月气溶胶光学深度
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.121001
N. Mölders, M. Friberg
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引用次数: 1
Outlier Detection of Air Quality for Two Indian Urban Cities Using Functional Data Analysis 使用功能数据分析的两个印度城市空气质量异常值检测
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.123005
M. Ahmad, Weihu Cheng, Zhao Xu, A. Kalam
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引用次数: 0
Unveiling Citizens’ Perceptions, Attitudes, and Behaviors towards Air Quality: Insights from a Survey in the Po Basin Area 揭示公民对空气质量的认知、态度和行为:来自波河流域地区调查的见解
Pub Date : 2023-01-01 DOI: 10.4236/ojap.2023.124007
Marco Ottolenghi, Michele Bartolomei, Duccio Tosi, Niccolò Maria Todaro
Air pollution has far-reaching environmental and social consequences, requiring the active participation of individual citizens in improving air quality by means of emission-reducing behaviors. This research examines the relationship between citizens’ knowledge, perceptions of air quality, attitudes towards policy measures, and intentions to adopt environmentally-friendly behaviors to combat air pollution. A comprehensive survey is conducted among a representative sample from seven regions in the Po basin area: Emilia-Romagna, Friuli-Venezia Giulia, Lombardy, Piedmont, Province of Tren-to, Valle d’Aosta, and Veneto. The survey aims at profiling participants based on their level of information, perceptions of air pollution, and attitudes towards emission-reducing behaviors. Cluster analysis identifies meaningful differences among citizen groups in terms of their awareness and intentions to engage in specific behaviors. Four distinct clusters emerge, each characterized by varying levels of willingness to embrace pro-environmental behaviors and support air quality improvement initiatives. By examining these profiles, the study uncovers patterns in citizens’ awareness, concerns, and acceptance of environmentally-friendly practices. The findings offer valuable insights for policymakers to develop targeted interventions, policies, and communication strategies.
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引用次数: 0
Effects of Environmental Polycyclic Aromatic Hydrocarbons Exposure and Pro-Inflammatory Activity on Type 2 Diabetes Mellitus in US Adults. 环境多环芳烃暴露和促炎活性对美国成人2型糖尿病的影响
Pub Date : 2022-06-01 Epub Date: 2022-06-24 DOI: 10.4236/ojap.2022.112003
Shweta Srivastava

Polycyclic aromatic hydrocarbons (PAHs) are formed due to natural and anthropogenic activities and known for their potential impact and persistence in the environment. PAHs exposure has been linked to cause adverse health effect including lung cancer, heart conditions and genetic mutations. The understanding of metabolic effects of PAHs exposure is less clear especially in the presence of pro-inflammatory stress like alcoholism or diabetes. The aim of this article is to understand the metabolic effects of PAHs exposure on Type 2 Diabetes Mellitus (T2DM) by analyzing the clinical biomarkers data retrieved from the National Health and Nutrition Examination Survey, Center for Disease Control (CDC NHANES) (2015-16). This study has also accessed the interactive impact of PAHs and other proinflammatory factors, like alcohol intake on the metabolic syndrome on T2DM. We investigated urinary levels of hydroxylated PAHs metabolites (OH-PAHs) along with demographic, clinical and laboratory data. Generalize linear model Univariate factorial ANOVA was used to evaluate the group differences in the demographics, PAH exposure, drinking patterns, clinical data, and biomarker levels. Linear regression model was used to analyze the association of biomarkers, PAH exposure and drinking data. Multivariable regression model was used for multi-independent model to assess comorbidity association and their effect sizes on the clinical outcomes. The results indicated that BMI (p = 0.002), and age (≤0.001) are independent demographic risk factors for T2DM in high PAHs exposure. Acute proinflammatory activity characterized by CRP, is augmented by elevated monocyte levels (p ≤ 0.001) and stepwise addition of 1-Hydroxynapthelene (p = 0.005), and 2-Hydroxynapthelene (p = 0.001) independently. Prevalence of highest average drinks over time is observed in the high PAHs exposure; with males drinking almost twice compared to females in highly exposed population. Pathway response of T2DM shows sexual dimorphism; with males showing association with triglycerides (p ≤ 0.001), and females with CRP (p = 0.015) independently with HbA1C. The arrangement of CRP, absolute monocyte levels, serum triglycerides and average drinks over time predict the HbA1C levels (adjusted R2 = 0.226, p ≤ 0.001) in individuals with high PAHs exposure. Findings from this investigation support the pathological role of high exposure of PAHs in the exacerbation of metabolic disorder syndrome involving T2DM. Sexual dimorphism is reflected in alcohol drinking, with males drinking more in the high PAHs exposure group. Alcohol drinking as an independent factor was associated with the T2DM indicator, HbA1C in individuals with high PAHs exposure.

多环芳烃(PAHs)是由自然和人为活动形成的,以其潜在的影响和在环境中的持久性而闻名。接触多环芳烃会对健康造成不良影响,包括肺癌、心脏病和基因突变。对多环芳烃暴露的代谢影响的了解尚不清楚,特别是在酒精中毒或糖尿病等促炎应激存在的情况下。本文旨在通过分析美国疾病控制与预防中心(CDC NHANES) 2015-16年国家健康与营养检查调查(National Health and Nutrition Examination Survey)的临床生物标志物数据,了解多环芳烃暴露对2型糖尿病(T2DM)的代谢影响。本研究还探讨了多环芳烃与其他促炎因子(如酒精摄入)对T2DM代谢综合征的交互影响。我们调查了尿中羟基化多环芳烃代谢物(OH-PAHs)的水平以及人口统计学、临床和实验室数据。采用单因素因子方差分析来评估人口统计学、多环芳烃暴露、饮酒模式、临床数据和生物标志物水平方面的组间差异。采用线性回归模型分析生物标志物、多环芳烃暴露与饮酒数据的相关性。多独立模型采用多变量回归模型评估合并症相关性及其对临床结果的影响大小。结果表明,BMI (p = 0.002)和年龄(≤0.001)是高多环芳烃暴露人群发生T2DM的独立人口学危险因素。急性促炎活性以CRP为特征,单核细胞水平升高(p≤0.001)和逐步添加1-羟苯乙烯(p = 0.005)和2-羟苯乙烯(p = 0.001)可单独增强。随着时间的推移,在多环芳烃高暴露中观察到最高平均饮酒量的流行;在高暴露人群中,男性的饮酒量几乎是女性的两倍。T2DM的通路反应表现为两性二态性;男性显示甘油三酯与HbA1C独立相关(p≤0.001),女性CRP与HbA1C独立相关(p = 0.015)。CRP、绝对单核细胞水平、血清甘油三酯和平均饮酒量随时间的变化预测高PAHs暴露个体的HbA1C水平(调整R2 = 0.226, p≤0.001)。本研究结果支持高暴露多环芳烃在T2DM代谢紊乱综合征加重中的病理作用。两性二态性也反映在饮酒上,多环芳烃高暴露组的男性饮酒更多。饮酒作为一个独立因素与高PAHs暴露个体的T2DM指标HbA1C相关。
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引用次数: 3
Life-Cycle Impact Assessment of Air Emissions from a Cement Production Plant in Cambodia 柬埔寨一家水泥生产厂废气排放的生命周期影响评估
Pub Date : 2022-01-01 DOI: 10.4236/ojap.2022.114007
Chanto Chea, P. Ket, Long Taing, Sela Kong, Dalin Um, Chanreaksmey Taing, Chanmoly Or, Srean Aun, Leakhena Hang
Cement industrial emissions account for 32% of air pollution in Cambodia. With that in mind, we examined the environmental impact of Cambodia’s cement industry and identified ways that it could reduce air pollution. The study focused on raw material extraction and preparation, calcination, and cement preparation. Data for the life-cycle inventory were provided by the Kampot Cement Plant. Air emissions were assessed using EMEP/EEA and IPCC criteria, and the impact assessment used ReCiPe (2016). The baseline analysis revealed that calcination contributed the most air pollutants, so mitigation scenarios focused on alternative fuels only during the calcination stage of cement production: 1) 100% coal (S1); 2) 93% coal and 7% biomass (S2); 3) 85% coal and 15% biomass (S3); 4) 70% coal and 30% biomass (S4); and 5) 50% coal and 50% biomass (S5). The results
水泥工业排放占柬埔寨空气污染的32%。考虑到这一点,我们研究了柬埔寨水泥工业对环境的影响,并确定了减少空气污染的方法。研究重点是原料的提取和制备、煅烧和水泥的制备。生命周期清单的数据由贡布水泥厂提供。空气排放评估采用EMEP/EEA和IPCC标准,影响评估采用ReCiPe(2016)。基线分析显示,煅烧对空气污染物的贡献最大,因此缓解方案只关注水泥生产煅烧阶段的替代燃料:1)100%煤炭(S1);2) 93%煤和7%生物质(S2);3) 85%煤和15%生物质(S3);4) 70%煤和30%生物质(S4);5) 50%的煤和50%的生物质(S5)。结果
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引用次数: 1
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Open journal of air pollution
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