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Spatial distribution,source apportionment,and associated risks of trace metals (As,Pb,Cr,Cd,and Hg) from a subtropical river,Gomti,Bangladesh

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International Journal of Sediment Research 2022年第1期37卷 83-96页

作者： abu sayeed shafiuddin ahmed Mohammad Belal Hossain Saad Mohammad Omar Faruque Babu Moshiur Rahman Jun Sun Mohammad Shafiqul Islam Sarker Department of Fisheries and Marine Science Noakhali Science and Technology University School of Engineering and Built Environment Griffith University College of Marine and Environmental Sciences Tianjin University of Science and Technology Forensic Science Laboratory Rapid Action Battalions Headquarters

Sediment samples from the Gomti River basin were investigated to determine and evaluate trace metal concentrations,their biological effect,and potential ecological and human health risks for adults and *** mean concentrations of trace metals were organized in the descending order of mercury(Hg)(0.08 mg/kg)>chromium (Cr)(0.06 mg/kg)>lead (Pb)(0.05 mg/kg)>arsenic (As)(0.02 mg/kg)>cadmium (Cd)(0.01 mg/kg).The current study illustrated that metals were attributed to the area from natural sources and different anthropogenic sources especially from ***,the concentration levels were lower than the sediment quality guidelines (SQGs) based on the effect-range classifications of threshold effect concentration (TEC) and probable effect concentration (PEC).Therefore,the concentration of the elements showed no adverse biological effects on aquatic *** evaluated potential ecological risk index also revealed the low toxicity to the aquatic ***,the applied sediment quality indices,geo-accumulation index (Igeo),contamination factor (CF),and contamination severity index (CSI) suggested that the contamination levels of the elements were in the acceptable range,and the contamination had not notably impacted on the sediment *** risk index (HI) concerning age groups was significantly less than the threshold limit of 1 indicating that the contamination had no non-carcinogenic risk *** total carcinogenic risk (TCR) was less than a risk value of 1×***,the current study suggests that immediate remediation is not required due to an absence of alarming conditions in the study *** monitoring of the attribution of the metal elements should be done for the betterment of human and environmental health.

关键词： Trace metals Biological effects Ecological risk Human health risk Gomti river Bangladesh

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Life Style and Risk Behavior of Street Children in Bangladesh: A Health Perspective

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Health 2017年第4期9卷 577-591页

作者： Sajeda Chowdhury abu sayeed Chowdhury KATM Ehsanul Huq Yasmin Jahan Rubana Chowdhury Toufiq ahmed Md Moshiur Rahman Institute of Biomedical & Health Sciences Hiroshima University Hiroshima Japan Graduate School of Biomedical & Health Sciences Hiroshima University Hiroshima Japan Department of Chemistry National University Dhaka Bangladesh Japan Advanced Institute of Science and Technology Nomi Ishikawa Japan

Background: Street children concern to millions of deprived boys and girls who have adopted the street as their residence. They grow up where tranquility and physical and emotional stability are frequently threatened. The purpose is to have an empathetic look into the lives of street children for identifying their health-related needs. Method: A cross sectional descriptive type of study was conducted among 125 street children between the ages 8 to 14 years who were available at different intercept points of Dhaka city, Bangladesh. The information was collected through face-to-face interview using a structured questionnaire. An attempt was made to relate their lifestyle, risk behavior and health impact upon the socio demographic characteristics. Result: According to the statement of street children, poverty (41%) is the main reason behind enforcing the children to stay and work on the street. They pass their leisure by playing games, roaming around by watching video/cinema but on the other side of the coin, they are frequently abused (80.8%) either physically or sexually. Regarding health, about 87.2% of street children were suffering from different type of diseases as accidental injury, skin infection, hepatitis, sexually transmitted diseases and warm infestation. Conclusion: A careful examination of the lives of these children will provide a clearer understanding of their disadvantageous life. A better diagnosis of the contributing factors will help to minimize the extent of the problems and also to develop innovative approaches and ensure a healthy lifestyle, protection and rehabilitation for those children.

关键词： Street Children Life Style Risk Behavior Bangladesh

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孟加拉的殖民主义纠葛:欧洲与本土文化融合的出色代表

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建筑与文化 2010年第11期 34-36页

作者： abu sayeed M.ahmed 段婷 University of Asia Pacific 西安建筑科技大学建筑学院

在所有的视觉艺术中,建筑不仅生动地反映出社会的审美和愿望,还体现了它们所处时代的精神。现存的一栋栋建筑或那些建筑史料,从中都可具体体现建筑创作的动机与目的。18世纪末之前,英国人已经成为孟加拉的主要殖民力量并且统治政权根深... 详细信息

在所有的视觉艺术中,建筑不仅生动地反映出社会的审美和愿望,还体现了它们所处时代的精神。现存的一栋栋建筑或那些建筑史料,从中都可具体体现建筑创作的动机与目的。18世纪末之前,英国人已经成为孟加拉的主要殖民力量并且统治政权根深蒂固,社会、文化、城镇体系被彻底整理。孟加拉的殖民主义纠葛成为无法改变的历史事实,而那些有关建筑艺术的启示和范本都来源于英国和欧洲。欧洲殖民统治时期,孟加拉三角洲地区暴雨连绵洪水泛滥,在欧洲建筑理念影响下,孟加拉的建筑形式特征产生了变化。这种东西方融合的建筑风格,是英国殖民建筑为适应孟加拉本土气候与文化背景而不断变化的出色代表。本文以孟加拉殖民时期的建筑为研究对象,论述了其建筑语汇从欧洲到本土建筑的逐渐转变。最后一段讨论的是孟加拉湾殖民者将本土建筑朝全球化的居住模式转变的过程。所以可以说,建筑艺术的影响是双向的,一个方向是从欧洲到孟加拉,另一个方向是从孟加拉到欧洲和西方世界。

关键词：愿望殖民纠葛、气候、文脉混合风格、转化、平房全球化

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