Results 71 to 80 of about 78,097 (269)
PROVIDING URBAN ENVIRONMENTAL SERVICES IN DEVELOPING COUNTRIES [PDF]
Environmental Economics and Policy,
Porter, Richard C.
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Coastal area management in South Asia: a comparative perspective (Background Paper prepared for South Asia Workshop on Fisheries and Coastal Area Management, 26 September-1 October 1996, Madras, India) [PDF]
, 1996 Most of the world's fisheries and fishing communities are supported by coastal areas. Consequently, the well-being and future of the fishery sector depend on the health of the coastal ecosystem.
Sharma, Chandrika
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Thunderbird International Business Review, EarlyView.ABSTRACT This study investigates the relationship between Corporate Social Responsibility (CSR) and firm performance using panel data from 716 Chinese firms listed on the Shanghai and Shenzhen Stock from 2013 to 2019. It further examines the role of management innovation, specifically marketing intensity, in moderating the CSR–financial performance ...
Freeman Brobbey Owusu +4 more
wiley +1 more source
Jingshui jishu【目的】节假日期间大规模的人口流动会引起城市用水量的显著波动，而传统用水量预测模型无法准确捕捉这一趋势，导致预测精准度与可靠性不足，影响节假日期间制水计划的科学制定，制约供水系统的调度效率。本文致力于构建一种能够有效融合人口动态信息的节假日用水量预测方法，为城市智慧水务系统的发展及科学调度提供理论和技术支持。【方法】本文提出了一种基于Transformer架构的预测模型，采用多头注意力机制捕捉节假日期间用水模式的依赖关系，引入人口迁徙指数作为关键特征，以F市2024年劳动节 ...
LI Zhongmao
doaj +1 more source
Environmental Toxicology, EarlyView.ABSTRACT Sodium hypochlorite is a well‐established biocide extensively used in both living and industrial environments; however, exposure to it or improper handling can harm the human body and the environment. Thus, safer alternatives to sodium hypochlorite are required.
Seung Eui Min +3 more
wiley +1 more source
Jingshui jishu【目的】本文旨在通过探究不同河道淤泥重金属污染特征及存在的生态风险，为淮安市城乡河道重金属污染防治和生态修复提供科学依据。【方法】以淮安市5条拟清淤河道为研究对象，采用电感耦合等离子体质谱仪对河道淤泥重金属开展特征分析，运用几种重金属污染评价方法对重金属污染程度进行评价，并采用相关性分析和主成分分析对重金属的污染来源进行分析。【结果】里运河、洪福河、大寨河、小盐河、新涧河5条河道淤泥中Cd元素含量均高于淮安市土壤背景值，但5条河道淤泥的6种重金属含量均未超过《农用污泥污染物控制标准》
Yin Liqun +5 more
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Pricing Water - a Tool for Natural Resource Management in the Onkaparinga Catchment [PDF]
Consultancy Report 2 for the Onkaparinga Catchment Water Management Board. This second report focuses on pricing water to manage the catchment water resources in a sustainable manner.
Darla Hatton MacDonald +2 more
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Untreated Hair Dye Effluents Enter the Environment: Are They a Threat to Human Health?
Environmental Toxicology, EarlyView.ABSTRACT The effluents generated during the process of hair dyeing exhibit a complex composition, comprising chemical compounds with varying toxicity levels. While the adverse impact of hair dyes on human health is acknowledged, there is a notable absence of studies addressing the toxicity associated with effluents produced during these activities. The
Letícia Cristina Gonçalves +3 more
wiley +1 more source
聚氨酯海绵悬浮过滤工艺对溢流污水处理协同调控的本征特性与运行参数
Jingshui jishu【目的】合流制溢流(CSO)是导致城市水体水质恶化的主要诱因之一。悬浮过滤工艺作为应对CSO的有效手段，其核心效能受滤料本征特性与工艺参数的协同调控机制尚未明晰。【方法】文章采用聚氨酯海绵滤料，考察了海绵的亲疏水性、密度、开孔比、几何尺寸以及滤速、填充高度和滤床清洗方式对过滤性能的影响，并评估了该系统在颗粒物浓度梯度进水下的处理表现。【结果】开孔比是影响过滤性能的关键，开孔比为50的海绵展现出最优综合性能，其对悬浮物(SS)平均去除率为62.2%,过滤2 h后水头损失为20 mm ...
Ye Chenyang, Wang Tao
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Environmental Toxicology, EarlyView.ABSTRACT Chemical pollutants pose a significant threat to marine ecosystems. Among these contaminants are trace elements and polycyclic aromatic hydrocarbons (PAH). Green turtles can be employed to evaluate the oceans' health due to their coastal habitats and exposure to multiple threats.
Camila Roberta da Silva Ribeiro +6 more
wiley +1 more source