Results 251 to 260 of about 18,078 (293)

Cortical thickness and sulcal pits extraction in schizophrenia patients with auditory hallucinations

, 2021
Lerosier, Baptiste, Simon, Gregory, Etard, Olivier, Takerkart, Sylvain, Auzias, Guillaume, Dollfus, Sonia   +5 more
openaire   +1 more source

Scheduling of open-pit phosphate mine extraction

International Journal of Production Research, 2018
Open-pit deposits are often characterised by a stack of layers of different geological nature. Some layers are worthless while the ore of the others is of a varying economic value depending on grad...
Ahlam Azzamouri, Pierre Fenies, Frédéric Fontané   +2 more
exaly   +3 more sources

Open pit mine design and extraction sequencing by use of OR and AI concepts

International Journal of Surface Mining, Reclamation and Environment, 1995
ABSTRACT The development of an effective open pit mine scheduling procedure which will generate and evaluate the extraction sequence of mining blocks over short periods of time, has become more desirable in today's competitive and high risk mining world with low commodity prices. There have been various unsuccessful attempts to develop such a procedure,
Elevli B.
openaire   +4 more sources

Life cycle impacts assessment of two gold extraction systems in Colombia: open-pit and alluvial mining

International Journal of Life Cycle Assessment, 2023
Purpose: Gold mining has historically and significantly contributed to the Colombian economy. Gold extraction in Colombia is mainly done through two techniques: open-pit and alluvial mining.
Natalia A Cano-Londoño, Rafael S Capaz, Christian Hasenstab   +2 more
exaly   +3 more sources

Evaluation of rock stability challenges affecting the formation of sustainable pit lake towards mine closure following crown pillar extraction in open pit-underground mines

Journal of Environmental Management
The extraction of high-grade ore from the crown pillar (CP) in open pit-underground mines poses stability challenges and potential environmental risks.
VÍCTOR Abel Massawe, BAHTIYAR Unver
exaly   +2 more sources

CTMNet: Enhanced Open-Pit Mine Extraction and Change Detection With a Hybrid CNN-Transformer Multitask Network

IEEE Transactions on Geoscience and Remote Sensing
Automatic open-pit mine extraction and change detection from high-resolution remote sensing images are of great importance to mineral resource management. However, the high spatial heterogeneity and spectral variations of mining area scenarios make these
Jianghe Xing, Jue Zhang, Yongsheng Gao   +2 more
exaly   +2 more sources

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Extraction of Open-PIT Mine Reclamation Area with Convolutional Neural Network

2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 2021
Reclamation of land-damaged areas in open-pit mines is an important means of ecological restoration in mining areas. In order to effectively monitor the reclamation of mining areas, we propose an improved Mask R-CNN method to extract reclamation areas.
Congtang Meng, Yindi Zhao, Bo Wu 0019
openaire   +1 more source