Clinical characteristics of pulmonary alveolar proteinosis. [PDF]
Zhong Nan Da Xue Xue Bao Yi Xue Ban, 2021 Long Y +5 more
europepmc +1 more source
Research on carbon emission accounting model for open-pit mines in alpine ecologically fragile areas [PDF]
To accurately measure carbon emissions from open-pit mines in alpine ecologically fragile areas, a rigorous and comprehensive accounting method is essential. This method must account for both direct emissions from mining operations and indirect emissions
Bin BAI +5 more
core +1 more source
Shuitu Baochi Xuebao目的量化矿区开发建设对区域土壤侵蚀的影响，为未来对晋陕蒙地区露天矿区的土壤侵蚀防治和生态修复提供科学依据。方法以鄂尔多斯高原最大的露天矿黑岱沟和哈尔乌素煤矿为研究对象，根据遥感影像、统计数据及调查数据获取高分辨率的研究区地形和植被状况，分别利用风蚀RWEQ模型和水蚀RUSLE模型计算研究区1990年、2000年、2010年、2020年土壤风力侵蚀、水力侵蚀模数，计算矿区和自然对照区的1990—2000年、1990—2010年、1990—2020年的侵蚀模数不同级别变化的面积比例 ...
刘环宇, 史培军, 王永芳
doaj
Study on spontaneous combustion characteristics of water-soaked coal [PDF]
In order to investigate the influence degree of water-soaked coal with different moisture contents on coal spontaneous combustion, coal samples with different moisture contents are prepared, programmed temperature experiment was used to test the thermal ...
Haobin LI +6 more
core +1 more source
Chemical structure and genesis of fusain of Yimin Formation in Hailar Basin [PDF]
As one of the four macroscopic coal rock components, fusain contains abundant information on Palaeoclimatology, Palaeoecology. This article takes the fusain components of lignite from No.
Fuhua SHANG +6 more
core +1 more source
Design and implementation of quantitative remote sensing monitoring and intelligent analysis system for mine ecological environment [PDF]
Mine ecological environment monitoring and governance is a critical requirement for national ecological civilization construction and the dual carbon goal. The informatization and intelligent construction of the mine ecological environment have become an
Chengye ZHANG +7 more
core +1 more source
Construction and application of green and low-carbon evaluation indicators for coal mining areas [PDF]
Coal mining areas serve as pivotal bases for coal production, holding significant importance for local economies and energy supply. In the development of China’s energy and environmental protection, the planning of mining areas plays a crucial role. With
Lei YU +8 more
core +1 more source
Research on 3D Modeling of Coal Mine Based on 3Dmine [PDF]
, 2011 我国是世界上矿山灾害最为严重的国家之一，重特大瓦斯事故和矿井突水时有发生，造成了重大人员伤亡和巨大财产损失。保障煤矿生产安全，减少伤亡事故，已成为人们关注的焦点。建立真三维的地质巷道模型，并借助于计算机可视化技术，有利于帮助人们正确认识和理解矿井的地质对象的空间特征和分布规律，这对于矿井生产和安全至关重要。通过对国内外矿山发展情况对比，发现国内矿山发展与国外还存在较大差距，而数字矿山(DigitalMine，简称DM)是矿山企业可持续发展的必然趋势 ...
贾智捷
core
Calculation of slope stability of fault-containing slopes under the action of cyclic blast vibration [PDF]
In order to accurately quantify and predict the evolution of slope stability of fault-containing slopes under the long-term effect of blasting vibration, and to realize the safe, efficient and sustainable mining of open-pit mines. Taking an open-pit mine
Dong WANG +3 more
core +1 more source
Tricone bit in Australia marketing strategy research [PDF]
, 2016 作为矿业最为发达的国家之一，澳大利亚的经济实力及矿产品开发总量一直具世界之首，尤其是对露天煤矿和铁矿的开采始终领先于其他国家。作为露天开采三大矿用钻孔工具之一的矿用三牙轮钻头其市场规模也在不断扩大。据统计，澳大利亚国内的矿用三牙轮钻头年消耗量年年升高，澳大利亚市场稳居全球矿用三牙轮钻头市场之首。在全球金融危机爆发之后，全球经济放缓，铁矿石和煤矿石的价格逐年走低。自2012年以来，澳大利亚矿业市场为了弥补矿石价格的下降而增大了对露天开采的规模和力度，同时也带动了矿用三牙轮钻头市场的迅猛发展 ...
赵辉
core