نتایج جستجو برای: much amount of solid waste disposed from human communities

تعداد نتایج: 21798210  

Journal: :Waste management 2009
Ugwuh Uchechukwu Solomon

Nigeria is the most populous country in Africa. Located on the western part of Africa, it has a population of over 140million people. The country has had an annual increase in population growth rate of 3.2% from 1991. The rate of urban growth has also been estimated at 5.5% per annum. Nigeria is made up of 36 states, excluding the Federal Capital Territory (FCT) Abuja, with Lagos and Kano State...

رضایی نیا, سلیمه, ززولی, محمدعلی, فرزاد کیا, مهدی, محمود خانی, روح‌الله, یگانه بادی, مجتبی,

Background and purpose: Physical analysis of solid waste is the first step in waste management. In Iran, no data is available about rural solid wastes in the country. The aim of this study was to determine qualitative and quantitative analysis of rural solid wastes in Iran. Materials and methods: In this cross-sectional study, the data for national rural solid waste in 2012 was obtained from...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1393

from its emergence till present time marxist principles has undergone great changes since their promulgation by marx. many theorists and thinkers set at rectifying marxist tenets and introducing those of their own while others advocated its main concepts and attempted at improving them. among marxist philosophers who had an intensive study of marxs ideology, is louis althusser whose reflections...

Journal: :Journal of Marine Science and Engineering 2023

The term “sea waste” generally refers to any solid, liquid, or gaseous material substance that is discarded, disposed of, abandoned in the ocean, sea, other body of salty water, such as a lagoon, etc. This includes waste generated by human activities on land makes its way into well ships and vessels at sea. Examples sea include plastic debris, chemicals toxic substances, oil spills, sewage, for...

Journal: :سلامت و محیط زیست 0
علی کولیوند a kulivand 1department environmental health engineering, school of public health, tehran university of medicalدانشکده بهداشت و انستیتو تحقیقات بهداشتی دانشگاه علوم پزشکی تهران، گروه مهندسی بهداشت محیط دانشجوی رامین نبی زاده r nabizadeh 1department environmental health engineering, school of public health, tehran university of medicalدانشیار و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگاه احمد جنیدی جعفری a joneidy 1department environmental health engineering, school of public health, tehran university of medicalدانشیار و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت، دانشگاه علوم پزشکی ایران مسعود یونسیان m yunesian 1department environmental health engineering, school of public health, tehran university of medical- دانشیار و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگا قاسمعلی عمرانی gh omrany 1department environmental health engineering, school of public health, tehran university of medicalاستاد و عضو هیئت علمی گروه مهندسی بهداشت محیط دانشکده بهداشت و انستیتو تحقیقات بهداشتی، دانشگاه علو

backgrounds and objectives:today, one of the most important environmental issues is solid waste produced in dentistry that because of the presence of hazardous, toxic and pathogen agents has special importance. in this survey, solid waste produced in hamadan dentistry laboratories and practical dentist offices is studied.materials and methods: in this descriptive study, from 24 dentistry labora...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1390

abstract: the present study is about prophet ishmael, some parts of his life; his personality in the quran and the bible; and the comparison of the content of these two religious books. compilation of the study has been done with a new perspective and new presentation approach. since prophets have been human beings’ role model and their life has been a perfect example for humanity in all ages,...

One of the major factors, contributing to the emission of greenhouse gases in the environment is generation of pollutant gases in municipal landfills. As for the design and building of a gas collecting system, it is necessary to properly estimate the amount and type of the landfill emissions. By means of LandGEM model, this study predicts the amount and type of the landfill gases, produced for ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حقوق 1389

if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...

Journal: :محیط شناسی 0
محمد علی عبدلی استاد دانشکدة محیط زیست دانشگاه تهران مریم حیدری دانشجوی کارشناسی ارشد مهندسی عمران محیط زیست دانشگاه تهران عباسعلی کارگر مسئول محیط زیست شهرداری منطقة 9 تهران

in tehran megacity with 7705036 populations, 7000 tons solid waste a day has been generated in 2008. according to the municipality`s division, tehran is divided to 22 local zones. quality and quantity are the basis of planning for hazardous waste management system. in this context, selection a combination of techniques, technology and management program is imperative to achieve purposes of wast...

2003
Jeffrey Morris

This paper shows that for 24 out of 25 solid waste materials, recycling saves more energy than is generated by incinerating mixed solid waste in an energy-from-waste facility. Recycling conserves energy that would otherwise be expended extracting virgin raw materials from the natural environment and transforming them to produce goods that can also be manufactured from recycled waste materials. ...

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