Results 11 to 20 of about 816,784 (295)

Influence of the ultra-fine fly ash dosages on the mechanical properties of the sulfoaluminate cement-based high water backfilling material

Scientific Reports, 2023
To reduce the filling cost of high-water backfilling material (HWBM) in mining backfill and improve the recycling utilization of the industrial waste such as the coal fly ash. The ultra-fine fly ash (UFA) was added to the HWBM as a partial replacement in
Yaohui Sun, Shengrong Xie, Chaowen Wu, Junqi Cui, Dongdong Chen, Fangfang Guo, Zaisheng Jiang, Yuxin Ren, Weiyong Lu   +8 more
doaj   +1 more source

Ontology of core data mining entities [PDF]

, 2014
In this article, we present OntoDM-core, an ontology of core data mining entities. OntoDM-core defines themost essential datamining entities in a three-layered ontological structure comprising of a specification, an implementation and an application ...
A Bernstein, A Golbraikh, A Karalic, B Smith, B Smith, B Smith, C Silla, C Vens, D Demšar, D Kocev, D Kocev, D Qi, D Young, DJ Hand, F Serban, G Madjarov, G Tsoumakas, GH Bakir, H Mannila, HP Kriegel, I Slavkov, J Vanschoren, K Button, Larisa Soldatova, LN Soldatova, M Courtot, M Ford, M Žáková, MA Avery, MA Avery, MF López, O Spjuth, P Robinson, Panče Panov, Q Yang, R Caruana, R Guha, R Guha, RD King, RD King, RR Brinkman, Sašo Džeroski, T Dietterich, V Podpečan   +43 more
core   +1 more source

A concept to use energy of air flows of technogenic area of mining enterprises [PDF]

, 2018
Topical issues concerning the possibilities of effective energy generation on the basis of Ukrainian mining enterprises have been highlighted. Attention is drawn to one of the most challenging tendencies of nontraditional energy sources
Cabana, Edgar, Dychkovskyi, Roman, Falshtynskyi, Volodymyr, Lozynskyi, Vasyl, Saik, Pavlo, Дичковський, Р. О., Дичковський, Роман Омелянович, Дычковский, Р. Е., Дычковский, Роман Емельянович, Лозинский, В. Г., Лозинский, Василий Григорьевич, Лозинський, В. Г., Лозинський, Василь Григорович, Саик, П. Б., Саик, Павел Богданович, Саїк, П. Б., Саїк, Павло Богданович, Фальштинский, В. С., Фальштинский, Владимир Сергеевич, Фальштинський, В. С., Фальштинський, Володимир Сергійович   +20 more
core   +1 more source

Simulation of deposit parameters in underground development mining [PDF]

, 2018
The article is aimed at improving development mining to prepare an ore body for stoping by access ramps to provide comfortable conditions and high technical and economic indices in underground mining.
Golik, Vladimir, Morkun, Nataliia, Morkun, Volodymyr, Razorenov, Yuriy   +3 more
core   +1 more source

Study on the Key Factors of Terminal Mining Line Layout in Repeated Mining of Close-Distance Thick Coal Seams

Advances in Materials Science and Engineering, 2022
In order to mater the reasonable layout basis of the terminal mining line position in the repeated mining of close-distance thick coal seams, taking Yan mine as the engineering background, we conducted theoretical analyses, numerical simulations, and ...
Fulian He, Bingquan Liu, Liang Li, Xuhui Xu, Kai Lv, Wenli Zhai, Jiayu Song, Deqiu Wang   +7 more
doaj   +1 more source

Enhancement of Coal Permeability Using Aqueous NaCl with Microwave Irradiation

Geofluids, 2022
Water in coal pores can generate strong steam explosions when treated with microwave irradiation. In order to improve the sensitivity of coal reservoirs to microwaves, we used varying concentrations of NaCl on the pore solution, which further increased ...
Weiming Guan, Qi Qi, Senlin Nan, Haichao Wang, Xin Li, Yingyuan Wen, Junhui Yao, Yanyan Ge   +7 more
doaj   +1 more source

A Boxology of Design Patterns for Hybrid Learning and Reasoning Systems [PDF]

, 2019
We propose a set of compositional design patterns to describe a large variety of systems that combine statistical techniques from machine learning with symbolic techniques from knowledge representation.
Teije, Annette ten, van Harmelen, Frank
core   +2 more sources

An Overview of the Use of Neural Networks for Data Mining Tasks [PDF]

, 2012
In the recent years the area of data mining has experienced a considerable demand for technologies that extract knowledge from large and complex data sources.
Alberts B, Alpaydin E, Ando T, Blake CL, Bramer MA, Castanheira LG, Han J, Lu H, Mitchell M, Ni X, Quinlan RJ, Rumelhart DE, Shafer JC, Shendure J, Simić D, Stahl F, Steinwart I, Surjandari I, Wei JS, Widrow B, Witten IH, Zaslavsky B, Zhang D   +22 more
core   +1 more source

Water-conserving mining influencing factors identification and weight determination in northwest China

International Journal of Coal Science & Technology, 2019
Water-conserving mining is an effective way to alleviate the contradiction between fragile ecological environment and high-intensity coal mining in the arid and semi-arid region of northwest China.
Limin Fan, Liqiang Ma, Yihe Yu, Shuokang Wang, Yujun Xu   +4 more
doaj   +1 more source

Roadway Surrounding Rock under Multi-Coal-Seam Mining: Deviatoric Stress Evolution and Control Technology

Advances in Civil Engineering, 2020
Multi-coal-seam mining creates surrounding rock control difficulties, because the mining of a coal face in one seam can affect coal faces in another. We examine the effects of multi-coal-seam mining on the evolution of the deviatoric stress distribution ...
Dongdong Chen, En Wang, Shengrong Xie, Fulian He, Long Wang, Qing Zhang, Xiaoyu Wu, Zaisheng Jiang, Yubo Li, Songhao Shi   +9 more
doaj   +1 more source