Results 1 to 10 of about 4,288 (305)
Due to the shallow burial of groundwater in coal mines with a high phreatic water level, a large area of subsidence lakes is formed after the mine collapses.
Ping Lu
exaly +3 more sources
Measurement of sulfur content in coal mining areas by using field-remote sensing data and an integrated deep learning model [PDF]
High-quality coal emits a smaller amount of harmful substances during the combustion process, which greatly reduces the environmental hazard. The sulfur content of coal is one of the important indicators that determine coal quality.
Jingyi Liu, Ba Tuan Le
doaj +3 more sources
The sterilization of mineral resources makes considerable amounts inaccessible for future use and may be a barrier to the free supply of commodities.
Edyta Sermet, Marek Nieć
doaj +1 more source
Static tests of acid mine drainage potential are an important part of mining water management. Net acid generation (NAG) test is widely used in Indonesian coal mines because of its convenience.
Muhammad Sonny Abfertiawan +4 more
doaj +1 more source
Durante las primeras décadas del siglo XX, la minería de altura cobró importancia en la cordillera andina de Arica, estableciéndose una serie de azufreras en los faldeos de los volcanes Tacora y Taapaca.
Alberto Díaz Araya +2 more
doaj +8 more sources
With the vigorous development of the world’s mineral resources, the global ecological environment has been severely damaged. The tailings cemented filling technology is an important way to realize the green and low-carbon development of the mining ...
Jinxing Wang +7 more
doaj +1 more source
Characteristics of Ore Protolith in Bronze Age Metallurgy of Steppe Cis-Urals
The paper addresses the issues of determining the probable sources of copper raw materials in the Bronze Age metal production of the 4th–2nd Millennia BC in the territory of the steppe Cis-Urals.
Sergei V. Bogdanov
doaj +1 more source
BACKGROUND With mining activities taking place on a global scale, the concern for environmental issues within and around mines continues to increase. The advent of multi-collector inductively coupled plasma-mass spectrometry (MC-ICP-MS) has promoted the ...
ZHAO Ruihan, HAN Zhiwei, FU Yong
doaj +1 more source
This research aims to recover sulfur from sulfur residues of the chemical method for purifying mine sulfur in the Al-Mishraq mine by studying and using thermal and air-thermal treatment with a temperature range of 130-190 oC and an increase of 10 degrees for each treatment.
Sulav S. Shareef +2 more
openaire +2 more sources
Reclaimed Area Land Cover Mapping Using Sentinel-2 Imagery and LiDAR Point Clouds
This paper investigates the possibility of using fusion Sentinel-2 imageries (2016, ESA) and light detection and ranging (LiDAR) point clouds for the automation of land cover mapping with a primary focus on detecting and monitoring afforested areas and ...
Marta Szostak +2 more
doaj +1 more source

