نتایج جستجو برای: open cut mining
تعداد نتایج: 546084 فیلتر نتایج به سال:
Open Set Recognition (OSR) has been an emerging topic. Besides recognizing predefined classes, the system needs to reject unknowns. Prototype learning is a potential manner handle problem, as its ability improve intra-class compactness of representations much needed in discrimination between known and In this work, we propose novel Mining And Learning (PMAL) framework. It prototype mining mecha...
Dynamic slope stability in open-pit mines still remains a challenging task in the computational mining design. Earthquake and blasting are two significant sources of dynamic loads that can cause many damages to open-pit mines in active seismic areas and during exploitation cycles. In this work, the effects of earthquake and blasting on the stability of the NW slope of Chadormalu mine are compar...
Geographic data preprocessing is the most effort and time consuming step in spatial data mining. In order to facilitate geographic data preprocessing and increase the practice of spatial data mining, this paper presents Weka-GDPM, an interoperable module that supports automatic geographic data preprocessing for spatial data mining. GDPM is implemented into Weka, which is a free and open source ...
Bauxite is mined and transported by conveyor to a processing plant, screened and washed, then placed into blended stockpiles to feed the alumina refinery. While being stacked to the stockpile, the ore is sampled. Completed stockpiles must be acceptably close to target grade (composition), not only in alumina, but also in residual silica, carbon and sodium carbonate. The mine is an open-cut pit....
Abstract During the development of natural resource deposits, significant industrial impacts result in technogenesis, i.e. formation technogenic terrains and habitats, as well land transformation. These from adverse mining industry on environment lead to disturbed, degraded, polluted lands. The Ural Federal District features a prominent industry. underground open-cut facilities involves damages...
Tuberose (Polianthus tuberosa) is a commercially important cut flower; but its longevity and quality characteristics are compromised by stress during storage and transportation. Thus, it is important to determine the most appropriate preservative solution to best maintained cut flowers. Tests were done to examine the effects on of nano-silver (NS) (0, 15, 30 and 45 mg L-1) and sucrose (0, 4 and...
Abstract Large-scale open-pit mining activities have profound impacts on the surrounding landscape and environment. At cessation of mining, rehabilitation large void spaces can be achieved by pit-lake filling, where water body provides a confining pressure mine surfaces, reducing both likelihood slope failure need for ongoing maintenance. Although pit-lakes present range long-term benefits, geo...
Introduction to graphs, Paths, cycles and trails Max-flow min-cut theorem, computing max s-t flows and min-cut Edge and Vertex Connectivity and Menger's theorem Maximum matching, Hall's theorem, algorithms for computing maximum matching in weighted and unweighted graphs. Edge and vertex colouring of graphs. Independent sets Planar graphs and algorithms for checking for planarity. The course nee...
بهینه سازی سیستم ترابری که از عملیات کلیدی و تاثیرگذار در هزینه کل عملیات معدنکاری است جهت بهبود و کاهش هزینه بر تولید عملیات معدن کاری ضروری می باشد. امروزه با توسعه تکنولوژی و فناوری، برای اجرای فرآیند تخصیص کامیون ها از مدل های کامپیوتری پیچیده در قالب نرم افزارهای کامپیوتری و سیستمهای سخت افزاری موردنیاز استفاده می شود. تاثیر به سزای مدیریت و برنامه ریزی بهینه سیستم کامیون - شاول و استفاده ...
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