نتایج جستجو برای: due to environmental problems caused by mining activities

تعداد نتایج: 12446676  

Journal: Journal of Tethys 2017

The Gafsa mining basin district in Southwestern Tunisia is one of the most important producers of phosphate in the world. The exploitation of this district started at the beginning of the twentieth century a few years after the first discovery of this valuable resource. The over-exploitation of groundwater to wash the phosphate caused water-level decline in the main aquifers and the corollaries...

Journal: :African Human Rights Law Journal 2021

SUMMARY The priorities ofAfrican governments regarding the extractive industry tend to focus on economic interests leading them provide a conducive environment for investments by private entities. Furthermore, reforms in are inclined promote these with less consideration adequate protection affected people and their environment, including from resulting social environmental impacts. result econ...

Sustainability assessment has received numerous attentions in the mining industry. Mining sustainability includes the environmental, economic, and social dimensions, and a sustainable development is achieved when all these dimensions improve in a balanced manner. Therefore, to measure the sustainability score of a mine, we require an approach that evaluates all these three dimensions of mining ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

acknowledgements i wish to express my gratitude to all those who have helped me in preparing this thesis. i would like to express my deep gratitude to my respected advisor dr. kourosh akef, whose advice and comments helped me in the early stages of the research and throughout the writing process. i would also like to express my gratitude to dr. hajar khanmohammad whose invaluable guidance he...

Journal: :مدیریت شهری 0
رضا مختاری ملک آبادی reza mokhtary malek abadi tehran payame noorتهران-دانشگاه پیام نور نفیسه مرصوصی nafisesh marsosi tehran payame noorتهران-دانشگاه پیام نور سید علی حسینی ali hosaini tehran payame noorتهران-دانشگاه پیام نور محمد غلامی mohammad gholami tehran payame noorتهران-دانشگاه پیام نور

among various types of cities, mining cities have special features including a high concentration of industrial activities associated with the exploration, extraction, refining, processing and export of groundwater resources, the risk of reduction and termination of non-renewable resources, high degree of environmental pollution, high production of domestic and industrial waste and social issue...

2014
Qingliang Chang Jianhang Chen Huaqiang Zhou Jianbiao Bai

Implementation of clean mining technology at coal mines is crucial to protect the environment and maintain balance among energy resources, consumption, and ecology. After reviewing present coal clean mining technology, we introduce the technology principles and technological process of paste backfill mining in coal mines and discuss the components and features of backfill materials, the constit...

Journal: :آب و خاک 0
محمدرضا شایسته فر نجمه شفیعی حسین شیرانی علی رضایی محمدرضا کارگر دیانتی

in recent years, the study of soil contamination problems surrounding the mines and smelting plants has attracted the serious attention of the environmental experts. in iran, due to the mining and mine development, the study of environmental problems seems to be obligatory. the main point of this research is the implications of the statistical and geostatistical studies to evaluate and prepare ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1391

with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...

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