Results 21 to 30 of about 698,925 (248)
Canaries in the coal mine [PDF]
European Respiratory Journal, 2013 Up until 30 years ago, coalminers relied on canaries as warning systems against harmful gases and pollutants underground. The miners listened for birdsong and if the birds fell silent, then they knew there was danger to their health and to take action. Today we have much more sophisticated information and reporting on the quality of air.
openaire +2 more sources
Characterising the acid mine drainage potential of fine coal wastes [PDF]
, 2013 Includes bibliographical references.Acid mine drainage (AMD) is one of the major environmental challenges facing the South African mining sector. Acid mine drainage has received significant public attention in recent years.
Kotelo, Lerato Olga
core +1 more source
Advances in Materials Science and Engineering, 2022 According to the universal law of thermodynamics, the failure of any substance is closely related to its energy change. Understanding the strain energy and rock burst tendency of rock or coal under different loading rates is critical in many geological ...
Jiang Hu, Jingang Li
doaj +1 more source
Turkish Thoracic Journal/Türk Toraks Dergisi, 2015 The underground coal mining, in terms of fatal and injury accidents, has the first place among all businesses due to "spontaneous combustion of coal" and "presence of methane gas" in coalmines. In May 2014, the most casualties (301 people) of recent years occurred in the Soma Eynez mining quarry that accounts for almost half of the death of the last 30
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Coal-bearing strata in Qianjiaying coal mine.
, 2022 Coal-bearing strata in Qianjiaying coal mine.
Nan Wang (21935) +5 more
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Quantitative Study on the Stress Distribution Characteristics of Coal Rock with Faults
Geofluids, 2022 To quantitatively describe the distribution characteristics of stress field of coal rock in fault area, a finite element model was established to study the influence mechanisms of different fault parameters on the stress distribution characteristics of ...
Dayang Xu +3 more
doaj +1 more source
Mongolian Geoscientist, 2023 The Ukhaakhudag coal deposit is located c. 560 km SSE of the city of Ulaanbaatar in the northeastern sector the South Gobi Basin. The coal-bearing strata is part of the middle Permian Tavantolgoi Formation.
Batbold Demberelsuren +6 more
doaj +1 more source
Digital Cognitive Phenotyping for Differential Diagnosis and Monitoring in Neurological Conditions
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To assess the utility, accessibility, and equivalence to supervised scales of online cognitive assessment in older individuals with cognitive impairment. Methods Patients with Alzheimer's disease (AD, n = 31), idiopathic normal pressure hydrocephalus (iNPH, n = 26), and traumatic brain injury (TBI, n = 23) completed online cognitive ...
Martina Del Giovane +10 more
wiley +1 more source