建筑智能化弱电系统(Extra-Low Voltage System以下简称ELV)自西方引进,在国内发展已有20多年,在项目上的实施已经逐渐被大范围的普及和应用。但调查统计发现各个建设单位对投资建设的ELV系统建成后满意度并不高,认为该系统并没有达到...建筑智能化弱电系统(Extra-Low Voltage System以下简称ELV)自西方引进,在国内发展已有20多年,在项目上的实施已经逐渐被大范围的普及和应用。但调查统计发现各个建设单位对投资建设的ELV系统建成后满意度并不高,认为该系统并没有达到预期目标和功能。究其原因,一方面施工单位的业务人员因自己的业绩需要,在客户面前刻意夸大ELV功能,让客户对ELV系统存在过高期望;另一方面ELV系统在实施过程中的施工管理混乱是产生问题的重要因素。文中讨论了ELV行业存在的上述问题,同时为了能够规范ELV行业的发展现状,提出了行之有效的办法。展开更多
The Moroccan automotive industry is experiencing steady growth,positioning itself as the largest manufacturer of passenger cars in Africa.This expansion is leading to a significant increase in waste generation,particu...The Moroccan automotive industry is experiencing steady growth,positioning itself as the largest manufacturer of passenger cars in Africa.This expansion is leading to a significant increase in waste generation,particularly from end-of-life vehicles(ELVs),which require proper dismantling and disposal to minimize environmental harm.Millions of tonnes of automotive waste are generated annually,necessitating efficient waste management strategies to mitigate environmental and health risks.ELVs contain hazardous substances such as heavy metals,oils,and plastics,which,if not properly managed,can contaminate soil and water resources.To address this challenge,reverse logistics networks play a crucial role in optimizing the recovery of used components,enhancing recycling efficiency,and ensuring the safe disposal of hazardous and non-recyclable waste.This paper introduces a mathematical programming model designed to minimize the total costs associated with ELVs collection,treatment,and transportation while also accounting for revenues from the resale of repaired,directly reusable,or recycled components.The proposed model determines the optimal locations for processing facilities and establishes efficient material flows within the reverse logistics network.By integrating economic and environmental considerations,this model supports the development of a sustainable and cost-effective automotive waste management system,ultimately contributing to a circular economy approach in the industry.展开更多
文摘建筑智能化弱电系统(Extra-Low Voltage System以下简称ELV)自西方引进,在国内发展已有20多年,在项目上的实施已经逐渐被大范围的普及和应用。但调查统计发现各个建设单位对投资建设的ELV系统建成后满意度并不高,认为该系统并没有达到预期目标和功能。究其原因,一方面施工单位的业务人员因自己的业绩需要,在客户面前刻意夸大ELV功能,让客户对ELV系统存在过高期望;另一方面ELV系统在实施过程中的施工管理混乱是产生问题的重要因素。文中讨论了ELV行业存在的上述问题,同时为了能够规范ELV行业的发展现状,提出了行之有效的办法。
文摘The Moroccan automotive industry is experiencing steady growth,positioning itself as the largest manufacturer of passenger cars in Africa.This expansion is leading to a significant increase in waste generation,particularly from end-of-life vehicles(ELVs),which require proper dismantling and disposal to minimize environmental harm.Millions of tonnes of automotive waste are generated annually,necessitating efficient waste management strategies to mitigate environmental and health risks.ELVs contain hazardous substances such as heavy metals,oils,and plastics,which,if not properly managed,can contaminate soil and water resources.To address this challenge,reverse logistics networks play a crucial role in optimizing the recovery of used components,enhancing recycling efficiency,and ensuring the safe disposal of hazardous and non-recyclable waste.This paper introduces a mathematical programming model designed to minimize the total costs associated with ELVs collection,treatment,and transportation while also accounting for revenues from the resale of repaired,directly reusable,or recycled components.The proposed model determines the optimal locations for processing facilities and establishes efficient material flows within the reverse logistics network.By integrating economic and environmental considerations,this model supports the development of a sustainable and cost-effective automotive waste management system,ultimately contributing to a circular economy approach in the industry.
