-
821
-
822
Research of the Backfill Body Compaction Ratio Based on Upward Backfill Safety Mining of the Close-Distance Coal Seam Group
Published 2022-01-01“…The lower coal seam engineering safety BBCR of upward backfill mining in the Dafosi Coal Mine was 87.2%, and the close-distance coal seam group safe upward mining was realized.…”
Get full text
Article -
823
Order Batching in Warehouses by Minimizing Total Tardiness: A Hybrid Approach of Weighted Association Rule Mining and Genetic Algorithms
Published 2013-01-01“…First of all, weighted association rule mining has been used to calculate associations between orders with respect to their due date. …”
Get full text
Article -
824
-
825
-
826
Parameter Acquisition Study of Mining-Induced Surface Subsidence Probability Integral Method Based on RF-AGA-ENN Model
Published 2022-01-01“…The mining of underground coal resources can trigger geological hazards such as subsidence basins, cave-in pits, and step cracks. …”
Get full text
Article -
827
Precision livestock farming applied to the dairy sector: 50 years of history with a text mining and topic analysis approach
Published 2025-03-01Subjects: Get full text
Article -
828
Failure Characteristics and Stability Control of Bolt Support in Thick-Coal-Seam Roadway of Three Typical Coal Mines in China
Published 2021-01-01“…Based on field observations, the failure mechanism of selected roadway failures under distinct conditions at three representative coal mines in eastern and western China was analyzed. …”
Get full text
Article -
829
-
830
Dynamic Influence of Near-Source Seismic Ground Motion on Underground Mine Working Stability Using Time-Frequency Analysis
Published 2021-01-01“…Peak particle velocity parameter is very useful in assessing underground mine working stability. Its application is widespread and requires additional analysis of the dominant frequency of the seismic signal. …”
Get full text
Article -
831
Unraveling a Rare Polygonal Gold–Pyrite Assemblage: Insights from the Lena Province, Bodaibo Mining District (Russia)
Published 2024-12-01Subjects: Get full text
Article -
832
-
833
Physicochemical, Major Anions and Heavy Metals in Surface Water and Groundwater at Pb – Zn Mining areas of Ebonyi State, Nigeria
Published 2018-08-01Subjects: Get full text
Article -
834
-
835
The Interactions among the Heavy Metals in Soils and in Weeds and Their Antioxidant Capacity under the Mining Activities in Thai Nguyen Province, Vietnam
Published 2020-01-01“…In this study, the relationship between heavy metals (HMs) concentrations in soils and several weeds including Cyclosorus parasiticus, Dicranopteris linearis, Pityrogramma calomelanos, and Pteris vittata in three mining sites (Cam Gia (Thai Nguyen city), Tan Long (Dong Hy district), and Ha Thuong (Dai Tu district)) in Thai Nguyen province, Vietnam, have been investigated. …”
Get full text
Article -
836
Similar Material Simulation Study on Protection Effect of Steeply Inclined Upper Protective Layer Mining with Varying Interlayer Distances
Published 2019-01-01“…Protective layer mining, as a dominating regional prevention measure, is generally adopted to prevent and control gas disasters in highly gassy or outburst mines of China. …”
Get full text
Article -
837
Machine learning-based monitoring of land cover and reclamation plantations on coal-mined landscape using Sentinel 2 data
Published 2025-02-01Subjects: “…Coal mine overburden…”
Get full text
Article -
838
Experimental Investigation on Atomization and Dustfall Characteristics of Combined Nozzles for Shearer External Spray in Fully Mechanized Coal Mining Face
Published 2021-01-01“…To explore the dustfall effect of combined nozzles used in a fully mechanized mining face, Phase Doppler Interferometry (PDI) system was used to test 6 types of high-efficiency atomizer under 8 MPa. …”
Get full text
Article -
839
-
840