Results 21 to 30 of about 92,920 (310)

Research into balance of rocks and underground cavities formation in the coal mine flowsheet when mining thin seams [PDF]

, 2020
Purpose. Study the movement of waste rock flows in the coal mine technological system and determine the balance of rocks and underground cavities formation from the perspective of the current mining operations development in order to assess the ...
Dmytro Malashkevych, Sai, Kateryna, Kateryna Sai, Serhii Zubko, Malashkevych, Dmytro, Zubko, Serhii, Mykhailo Petlovanyi, Petlovanyi, Mykhailo   +7 more
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Resource-aware mining of data streams [PDF]

, 2005
Mining data streams has raised a number of research challenges for the data mining community. These challenges include the limitations of computational resources, especially because mining streams of data most likely be done on a mobile device with ...
Gaber, Mohamed Medhat, Zaslavsky, Arkady, Gaber,Mohamed, Krishnaswamy, S., Krishnaswamy, Shonali, Gaber, Mohamed Medhat,, Zaslavsky,Arkady, Krishnaswamy, Shonali,, Gaber, M., Gaber, Mohamed, Krishnaswamy,Shonali, Zaslavsky, A.   +11 more
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Wear mechanism and life prediction of the ripper in a 9‐m‐diameter shield machine tunneling project of the Beijing new airport line in a sand‐pebble stratum

Deep Underground Science and Engineering, 2022
Tool wear is a noteworthy problem in the process of shield tunneling, and the degree of wear varies with stratum. The sand‐pebble strata in Beijing are typically mechanically unstable.
Hua Jiang, Jiachen Zhu, Xiaoyan Zhang, Jinxun Zhang, Hongliang Li, Lingfeng Meng   +5 more
doaj   +1 more source

Network Design Mode of In-Seam Gas Extraction Parameters Using Mathematical Modelling—Take Tangan Colliery as an Example

Geofluids, 2020
Gas extraction is a practical and effective way to guarantee mining-process safety and deliver greater environmental benefits through reducing greenhouse gas emissions and increase the supply of a valuable clean gas resource.
Tong-qiang Xia, Ke Gao, Hong-yun Ren, Jiao-fei He, Zi-long Li   +4 more
doaj   +1 more source

EDLm6APred: ensemble deep learning approach for mRNA m6A site prediction

BMC Bioinformatics, 2021
Background As a common and abundant RNA methylation modification, N6-methyladenosine (m6A) is widely spread in various species' transcriptomes, and it is closely related to the occurrence and development of various life processes and diseases.
Lin Zhang, Gangshen Li, Xiuyu Li, Honglei Wang, Shutao Chen, Hui Liu   +5 more
doaj   +1 more source

Learning Reward Function with Matching Network for Mapless Navigation

Sensors, 2020
Deep reinforcement learning (DRL) has been successfully applied in mapless navigation. An important issue in DRL is to design a reward function for evaluating actions of agents.
Qichen Zhang, Meiqiang Zhu, Liang Zou, Ming Li, Yong Zhang   +4 more
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On smoke layer thickness in short naturally ventilated tunnels with arched roof

Case Studies in Thermal Engineering, 2023
Understanding the characteristics of smoke layer thickness is vital for accurate fire detection, efficient smoke exhaust and safe evacuation in tunnel fire.
Xuming Li, Guoqing Zhu, Lu He, Min Peng
doaj   +1 more source

Open-Cast Mining Deformations Monitoring using Sentinel-1 SAR data (SBAS technique)

, 2023
Land surface deformation created by mining activities can have negative impacts on the environment. Measuring them can be a tool for managing the environmental impacts of mining.
Hosseinzadeh, Seyed R., Martín Duque, José Francisco, Sangani, Mahvash N., Naddaf Sangani, Mahvash, Malik, Kapil Kumar, Malik, Kapil K., Hosseinzadeh, Seyed Reza, Duque, Jose F. Martin, Toroghi, Mahnaz J., Toroghi, Mahnaz Jahadi   +9 more
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09451 Abstracts Collection – Geometric Networks, Metric Space Embeddings and Spatial Data Mining [PDF]

, 2010
From November 1 to 6, 2009, the Dagstuhl Seminar 09451 ``Geometric Networks, Metric Space Embeddings and Spatial Data Mining'' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics.
Gudmundsson, Joachim, Smid, Michiel, Klein, Rolf, Knauer, Christian, Das, Gautam   +4 more
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Industrializing the Earth–Moon system: a conceptual study for a space factory at Lagrange point L5

Frontiers in Space Technologies
The utilization of the natural resources of our Moon and the near-earth asteroids (NEAs) for the benefit of humankind will need industrial plants in space.
Werner Grandl
doaj   +1 more source