نتایج جستجو برای: waste classification

تعداد نتایج: 572526  

2010

In accordance with Law on Environment, Solid Waste Management Regulation, Metropolitan Municipalities Law and Municipal Law; Metropolitan municipalities and municipalities out of adjacent zones and the highest civilian authority out of these zones are responsible for ensuring the disposal of domestic and domestic-type industrial solid waste while avoiding environmental damage, ensuring the maxi...

Journal: :international journal of occupational and environment medicine 0
r nabizadeh department of environmental engineering, school of public health, center for environmental research, tehran university of medical sciences, tehran, iran h faraji department of environmental engineering, school of public health, center for environmental research, tehran university of medical sciences, tehran, iran aa mohammadi department of environmental health engineering, neyshabur university of medical sciences, neyshabur, iran

background: waste produced in dental clinics has been the topic of investigations for many years. these waste materials have important health impacts and are hazardous to humans and the environment. objective: to investigating solid waste production and its management in dental clinics in gorgan, northern iran. methods: in this cross-sectional study, 45 of 143 public dental practices and 5 of 2...

Journal: :Journal of dental education 2014
Gabriela Victorelli Flávia Martão Flório Juliana Cama Ramacciato Rogério Heládio Lopes Motta Almenara de Souza Fonseca Silva

The purpose of this study was to conduct a qualitative analysis of waste management practices among a group of Brazilian dental students (n=64) before and after implementing two different pedagogical methods: 1) the students attended a two-hour lecture based on World Health Organization standards; and 2) the students applied the lessons learned in an organized group setting aimed toward raising...

2004
C. Hicks O. Heidrich T. McGovern T. Donnelly

Waste management is a strategic supply chain issue. This paper explores the definition and classification of waste from different viewpoints. A generic functional model is presented for modelling the material and flow of waste from both a physical and cumulative cost perspective. The application of the model is illustrated through a case study. The research demonstrates that improved waste mana...

جعفرزاده حقیقی فرد , نعمت اله, فاخری رئوف , فرزانه, منوری , سیدمسعود, نبی زاده نودهی , رامین,

Background and Aim: The Razi Petrochemical Complex is one of the greatest factories producing nitrogen and phosphate fertilizers and various other chemicals. The site, comprising 17 production units with a total surface area of around 100 hectares, is located on the outskirts of Imam Khomeini port. The ammonia (1) section of the plant, with its production capacity of 1000 tons/year, was select...

2001
Vincent Linderhof Peter Kooreman Maarten Allers Doede Wiersma

This paper provides an empirical analysis of the effects of weight-based pricing in the collection of household waste. Using a comprehensive panel data set on all households in a Dutch municipality we estimate short-run as well as long-run price effects for the amounts of both compostable and non-recyclable household waste. We find significant and sizeable price effects, with the elasticity for...

2011
Stuart Woollett

he topic of radioactive waste generates debate, both publicly and scientifically. Like chemical and other hazardous waste, radioactive waste needs to be dealt with to ensure its safety and its security. Proper management and disposal of most forms of radioactive waste is technically straightforward. A robust safety regime has been developed internationally for managing and disposing of radioact...

Journal: :journal of occupational health and epidemiology 0
f mohseni moghadam facully member, dept. of basic science, paramedical faculty, rafsanjan university of medical sciences, rafsanjan , iran. m tashakori assistant prof., dept. of basic science, paramedical faculty ,rafsanjan university of medical sciences, rafsanjan, iran. b shahidi zandi phd in medical laboratory basic science, rafsanjan university of medical sciences, rafsanjan, iran m hadavi phd student, dept. of anesthesiology, paramedical faculty, rafsanjan university of medical sciences, rafsanjan, iran. v akbarpoor msc in microbiology, dept. of basic science, paramedical faculty, rafsanjan university of medical sciences, rafsanjan, iran. f kazemi bsc in laboratory sciences, dept. of basic science, paramedical faculty, rafsanjan university of medical sciences, rafsanjan, iran.

background: laboratory wastes are one of the environmental issues of developing countries and cause diseases and epidemics. laboratory waste management is planned with the aim of preventing unfavorable effects on human health and the environment. the aim of the present study was to determine the status of medical waste management in clinical laboratories affiliated with rafsanjan university of ...

2013
Stephen F. Hamilton Thomas W. Sproul David Sunding David Zilberman

Centralized collection and disposal is an integral component of waste management strategies for many solid and liquid wastes, and carbon capture and storage is currently being considered for gaseous waste. In this paper we show how collective waste disposal systems introduce essential changes in the design of optimal environmental policy. Absent collective disposal, an optimal environmental pol...

2009
WEI SU CHAO ZHANG XIANG ZHU DAOLIANG LI

Land cover classification with a high accuracy is necessary, especially in waste dump area, accurate land cover information is very important to eco-environment research, vegetation condition study and soil recovery destination. Funded by the international cooperation project Novel Indicator Technologies for Minesite Rehabilitation and sustainable development, a hierarchical object oriented lan...

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