نتایج جستجو برای: action mining

تعداد نتایج: 694590  

2018

This article presents a series of reflections on the “Global Mining Cluster”, defined as the political coalition of transnational mining corporations organized to keep territories around the world open to their interests and counteract criticisms that denounce the social and environmental depredations of megamining. We argue that the International Council of Mining & Minerals (ICMM), founded in...

2018

This article presents a series of reflections on the “Global Mining Cluster”, defined as the political coalition of transnational mining corporations organized to keep territories around the world open to their interests and counteract criticisms that denounce the social and environmental depredations of megamining. We argue that the International Council of Mining & Minerals (ICMM), founded in...

Journal: :Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] 2018
Camila Cesário Fernandes Luciano Takeshi Kishi Erica Mendes Lopes Wellington Pine Omori Jackson Antonio Marcondes de Souza Lucia Maria Carareto Alves Eliana Gertrudes de Macedo Lemos

Human activities on the Earth's surface change the landscape of natural ecosystems. Mining practices are one of the most severe human activities, drastically altering the chemical, physical and biological properties of the soil environment. Bacterial communities in soil play an important role in the maintenance of ecological relationships. This work shows bacterial diversity, metabolic repertoi...

2018

This article presents a series of reflections on the “Global Mining Cluster”, defined as the political coalition of transnational mining corporations organized to keep territories around the world open to their interests and counteract criticisms that denounce the social and environmental depredations of megamining. We argue that the International Council of Mining & Minerals (ICMM), founded in...

Journal: :مدیریت صنعتی 0
زیرار محمودی دانشجوی کارشناسی ارشد مهندسی معدن ـ فنی اقتصادی، دانشگاه تربیت مدرس، تهران، ایران احمد رضا صیادی دانشیار گروه مهندسی معدن ـ اقتصاد معدن، دانشکدۀ فنی مهندسی دانشگاه تربیت مدرس، تهران، ایران علی رجب زاده قطری دانشیار گروه مدیریت صنعتی، دانشکدۀ اقتصاد و مدیریت، دانشگاه تربیت مدرس، تهران، ایران

in despite of all progress in technology in mining industry, still labor is one of the key factors in mining operation. this paper presents a system dynamics approach to evaluate the mining labor productivity. therefore, after the identification of main effective variables, two quantitative and qualitative models were built. the qualitative model illustrates the complex interrelated structure o...

Journal: :علوم اجتماعی 0
دکتر گلمراد مرادی دکتر وحید قاسمی

this article of focused on data mining, which is very complex to recognize the correct, new models which are potentially useful in data, hence they will be useful, and acceptable for all humans. data mining is also called the exploration of knowledge, is the process of data analysis in the different aspect to summarize them into the suitable information, which is able to increase profits and to...

2000
Paul Jermyn Maurice Dixon Brian J Read

Good data preparation is a key prerequisite to successful data mining [P99]. Conventional wisdom suggests that data preparation takes about 60 to 80% of the time involved in a data mining exercise [R97]. There have been good reviews of the problems associated with data preparation [F97, HS98 and MS97]. However the data cleaning aspect of data preparation is regarded as involving major human inp...

Journal: :journal of mining and environment 2010
a. ramezanzadeh m. hood

the first step in mining activities is rock excavation in both mine development and production. constant pressure for cost reduction and creating an improved/safe work environment for personnel has naturally resulted in increased use of mechanical excavation systems in many mining operations. also, mechanical excavation and mining is more compatible with automation, meaning possibility of reduc...

Journal: :The Journal of Peasant Studies 2022

Communities resisting large coal mining projects navigate the significant tensions between imperatives of urgent climate action and economic growth in complex contingent ways. Drawing on empirical research a region Central-Eastern India, this paper examines how changing ‘agrarian’ context rural livelihoods household reproduction within mining-affected communities shapes motivations local anti-c...

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