Results 1 to 10 of about 141,842 (289)

Evaluation of soil quality in different reclamation areas of Hequ open-pit mine dump

open access: yes矿业科学学报, 2023
The open-pit mine has high mining efficiency, low cost, safe production and good economic benefits, but it also affects the structure and physical and chemical properties of the soil in the dump, resulting in the loss of soil nutrients and damage to land
Zhao Hongbao   +4 more
doaj   +2 more sources

Analysis of the Development of an Erosion Gully in an Open-Pit Coal Mine Dump During a Winter Freeze-Thaw Cycle by Using Low-Cost UAVs

open access: yesRemote Sensing, 2019
Open-pit coal mine dumps in semi-arid areas in northern China are affected by serious soil erosion problems. The conventional field investigation method cannot ensure a fine spatial analysis of gully erosion.
Chuangang Gong   +5 more
doaj   +3 more sources

Experimental study on reconstruction material of impervious layer in open-pit mine external dump in arid area

open access: yesMeitan kexue jishu
Xinjiang has huge reserves of coal resources and has the conditions and advantages to develop and construct large-scale open-pit coal mines. However, due to the climate characteristics of Xinjiang’s arid areas, open-pit mining has a wide range and high ...
Li MA   +6 more
doaj   +2 more sources

Study on energy conservation and emission reduction of pure electric non-road mining dump truck [PDF]

open access: yesE3S Web of Conferences, 2021
Non-road mobile machinery emits a large amount of pollutants, which has attracted wide attention. As one of the effective means of air pollution control, the application of new energy technology in the field of non-road mobile machinery is slightly ...
Zhang Huawei   +5 more
doaj   +1 more source

Crack Formation in Metal Structures of Heavy Dump Trucks during Operation at Kuzbass Open Pit Mines [PDF]

open access: yesE3S Web of Conferences, 2020
The results of crack formation monitoring in metal structures of BelAZ heavy dump trucks during their operation at Kuzbass open-casts are given in the article.
Pokatilov Andrey   +3 more
doaj   +1 more source

Characteristics of Physical and Chemical Properties of Soil in Different Reclamation Years of Opencast Coal Mine Dump in Grassland [PDF]

open access: yesE3S Web of Conferences, 2021
Taking the reclamation waste dump of the open-pit mining area in the east of Inner Mongolia Steppe as our study area, we sampled field investigation and laboratory measurements to study the changes of soil physical and chemical properties in the waste ...
Wang Guowang   +3 more
doaj   +1 more source

Remote Sensing Monitoring of Vegetation Reclamation in the Antaibao Open-Pit Mine

open access: yesRemote Sensing, 2022
After the regreening of the open-pit mine dump, vegetation usually needs to be managed and protected manually for several years before it reaches stability.
Jiameng Hu   +3 more
doaj   +1 more source

Study on step height optimization and slope stability of dump in opencast coal mine

open access: yesMeikuang Anquan, 2021
Open-pit mine step height increase has positive significance for the enterprise, but the material of the dump is heterogeneous and discrete, and the mechanical properties of the lower materials are different with the increase of the height, so, it is ...
YANG Fuqing, TIAN Ya, ZHANG Chuanwei, WANG Zhile, LU Xiang, CAI Qingxiang
doaj   +1 more source

Study on safety and stability of high altitude dump under severe drying-wetting alternation.

open access: yesPLoS ONE, 2022
This study aimed to reveal the impact of the severe drying-wetting process on the safety and stability of high-altitude dumps. Numerical calculations were conducted for the open mining dump of limestone mines for cement in high-altitude mining areas. The
Jianjun Dong, Di Yang, Yuan Mei, Ke Gao
doaj   +1 more source

Accumulation of chemical elements in tree waste of Pinus sylvestris L. growing in various ecological zones

open access: yesBIO Web of Conferences, 2021
We investigated the pattern of phosphorus, nitrogen and ashes accumulation in tree waste of Pinus sylvestris L. growing in various ecological zones.
Kolmogorova Elena
doaj   +1 more source

Home - About - Disclaimer - Privacy