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761
Influence of Mine Earthquake Disturbance on the Principal Stress of the Main Roadway near the Goaf and Its Prevention and Control Measures
Published 2021-01-01“…With the reduction and depletion of shallow energy, the mining depth of coal around the world is increasing year by year, and the mining depth of some coal mines in China has reached kilometers. …”
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762
Modeling Spatial Riding Characteristics of Bike-Sharing Users Using Hotspot Areas-Based Association Rule Mining
Published 2022-01-01“…This study aims to investigate the spatial riding characteristics under different demand scenarios using association rule mining with hotspot detection, and to establish the subordinate rules between bike-sharing demand and land elements and between land elements. …”
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763
DITC control strategy for semi-direct drive system with switched reluctance motor in coal mine belt conveyor
Published 2024-12-01“…The underground belt conveyor at Pingdingshan Tian'an Coal Mining No. 9 Co., Ltd. uses a drive system consisting of an asynchronous motor, hydraulic coupling, and reduction gears. …”
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764
Study on the Allowable Exposure Time of Temporary Goaf in the Open Stope and Backfill Mining Method with Large Structure Parameters
Published 2020-01-01“…The study provides a reference for mining design and safety production of similar mines with large-scale stope structure.…”
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765
The focal mechanism and field investigations of mining-induced earthquake by super-thick and weak cementation overburden strata fracturing
Published 2025-01-01Subjects: “…Mining-induced earthquake…”
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766
Mining 3D Patterns from Gene Expression Temporal Data: A New Tricluster Evaluation Measure
Published 2014-01-01Get full text
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767
Treatment of small scale gold mining wastewater using pilot-scale sedimentation and Cocopeat filter bed system
Published 2019-10-01Subjects: Get full text
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768
A method for mining over-limit patterns of low voltage in users based on hierarchical affinity propagation clustering
Published 2025-01-01“…Mining different over-limit patterns of the low voltage is very important to guide the management of low voltage issues in users. …”
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769
Linkage Analysis between Solid-Fluid Coupling and the Strength Reduction Method for Karst Cave Water Inrush in Mines
Published 2020-01-01“…Taking the water inrush accident of Shibaijing of the Qiyi mine in south China as an example, the instability mechanism of the water-proof rock pillar and evolution of water inrush are discussed. …”
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770
Prediction Method for the Ground Vibration Damage Boundary of Thick and Hard Rock Layer Fracture Type Mine Quakes
Published 2022-01-01“…In this study, based on the example of the ground vibration damage response of a thick and hard rock layer fracture type mine quake, and by applying the theories of mine pressure, rock mechanics and vibration energy principle, the concept of “vibration damage boundary” of mine quake ground, which uses particle vibration velocity to evaluate the vibration damage, is proposed. …”
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771
Ensemble Prediction Algorithm of Anomaly Monitoring Based on Big Data Analysis Platform of Open-Pit Mine Slope
Published 2018-01-01“…With the diversification of pit mine slope monitoring and the development of new technologies such as multisource data flow monitoring, normal alert log processing system cannot fulfil the log analysis expectation at the scale of big data. …”
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772
Active Moss Biomonitoring of Mercury in the Mine-Polluted Area of Abbadia San Salvatore (Mt. Amiata, Central Italy)
Published 2024-12-01Subjects: Get full text
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773
Experimental Investigation of Flow Resistance in a Coal Mine Ventilation Air Methane Preheated Catalytic Oxidation Reactor
Published 2015-01-01“…This paper reports the results of experimental investigation of flow resistance in a coal mine ventilation air methane preheated catalytic oxidation reactor. …”
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774
Bed Separation Characteristics of an LTCC Panel and Subsidence Controlling Grouting: Case Study of Longquan Coal Mine, China
Published 2022-01-01“…The bed separation backfill grouting (BSBG) is commonly used to mitigate the surface subsidence caused by coal mining. The distribution characteristics of bed separation and its dynamic evolving process are crucial for BSBG design. …”
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775
Use of data mining algorithms in prediction of eggshell thickness from egg quality traits of Potchefstroom Koekoek layers
Published 2025-01-01“…MARS had high r (0.925), R2 (0.856) and lower RMSE (0.129) and AIC (-975.331) compared to CHAID, Ex-CHAID and CART leading MARS to be the best data mining algorithm when predicting the eggshell thickness using egg quality traits.…”
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776
Structural Characteristics of Regenerated Roof and Distribution Law of Overburden Porosity in Downward Mining of a Bifurcated Coal Seam
Published 2022-01-01“…During downward mining of a bifurcated coal seam, the roof of the lower coal seam is relatively broken and difficult to control due to the mining influence of the upper coal seam. …”
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777
Influence Factors’ Analysis of the Face-End Roof Leaks Exposed to Repeated Mining Based on Multiple Linear Regression
Published 2021-01-01“…The model can predict the stability of the face-end roof exposed to repeated mining, which provides a basis for controlling the face-end roof exposed to repeated mining.…”
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778
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779
Analysis and Research on the Rehabilitation Effect of Physical Exercise on College Students’ Mental Depression Based on Multidimensional Data Mining
Published 2022-01-01“…In order to explore the physical exercise and psychological changes of college students, this study adopts the method of multidimensional data mining, taking 23,146 undergraduates from a university in Guangzhou, Guangdong Province, as the research object. …”
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780