Results 71 to 80 of about 78,527 (268)
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】针对人工调控主导的水库型水源地水位变化规律复杂、传统预测方法精度不足的难题，本文旨在构建并验证一种物理信息融合的多模块机器学习耦合预测框架，以实现对此类水库水位的合理且兼具高时效性的预测，为水库的精细化调度提供决策支持。【方法】本文将该预测框架应用于JZ水库，对水库内运行机理不同的调控单元进行定制化建模：(1)对引水闸门流量预测采用双层级联模式，基于先知模型(Prophet)的闸门开度时序预测与基于极端梯度提升(XGBoost)的流量系数(C d )动态估计 ...
Zhang Wu
doaj +1 more source
Factors influencing development of management strategies for the Abou Ali River in Lebanon. I: Spatial variation and land use [PDF]
, 2006 Surface water bodies are progressively subject to increasing stress as a result of environmentally degrading processes primarily related to anthropogenic activities.
El-Fadel, M +3 more
core
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】水热碳化是一种新型的污泥减量化和相关产品增值技术，催化剂对提高污泥水热碳化反应速率和处理效果具有重要意义。【方法】分析污泥泥性和组成，以硫酸和草酸作为催化剂，研究催化剂质量分数为1%、2%、3%和4%对污泥水热碳化处理效果，污泥水热碳化产生滤液和生物炭，分别分析滤液的pH、体积及水质参数，生物炭的热力参数、元素组成、重金属等参数变化，并采用扫描电子显微镜(SEM)扫描仪、Brunauer-Emmett-Teller(BET)比表面积及孔径分析仪和热重-差示扫描量热联用(TG-
Gao Weimin +4 more
doaj +1 more source
An extension and application of the Leontief pollution model for waste generation and disposal in Scotland [PDF]
, 2004 Solid waste generation, treatment and disposal are important policy concerns for the Scottish Parliament. As a result of the Environment Act 1995, a National Waste Strategy for Scotland was introduced with the general aim of reducing the amount of waste ...
Allan, G. +4 more
core
ZeroWasteWater: short-cycling of wastewater resources for sustainable cities of the future [PDF]
, 2010 Sewage treatment relies mainly on conventional activated sludge (CAS) systems, reaching sufficiently low pollutant effluent levels. Yet, CAS has a low cost-effectiveness and recovery potential and a high electricity demand and environmental footprint. By
Verstraete, Willy, Vlaeminck, Siegfried
core +2 more sources
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
Jingshui jishu【目的】目前我国在农村生活污水治理工作方面已经取得了很大的提高与成效，但也不可避免存在许多问题，其中我国农村大量建成的单一厌氧池普遍存在氨氮去除率低的问题。【方法】对此，本文以增城区某农污站点为试点，将厌氧池改造为厌氧-好氧(AO)工艺并进行处理效果及经济分析。【结果】改造后出水氨氮的平均去除率由13.64%的提高至67.00%;化学需氧量(COD)平均去除率由63.14%提高至82.28%;悬浮物(SS)平均去除率由60.69%提升至76.15%;总磷及总氮去除率也分别达到了93.
Chen Zhihua +4 more
doaj +1 more source
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