Results 81 to 90 of about 292 (159)

Exploration and 3D visualization of leakage channels of tailings ponds in karst regions：A case study of Zhatang Tailings Pond in Guiyang City

Carsologica Sinica
Karst regions are rich in mineral resources, and tailings ponds-essential facilities for maintaining normal production in mining enterprises-are often inevitably constructed on carbonate formations in these areas.
Lanjian MA, Shiwan CHEN, Liangjun CAI, Yongfei LUO, Jianzhang LI, Zhihao JI, Weijun LONG, Hai XIONG, Lang TIAN, Pan WU   +9 more
doaj   +1 more source

Transparent prevention and control system for water hazards in mine floors under empowerment based on spatiotemporal information fusion

Meitian dizhi yu kantan
BackgroundWater hazards in coal mines frequently cause heavy casualties, severely affecting the safe mining of coal mines. MethodsWith the continuous advancements in both the construction of real scene 3D views and coal mine intelligentization, this ...
Zaibin LIU, Junsheng YAN, Jianghong WANG, Yaoquan GAO, Hui YANG, Baojun BAI, Jingjin LU, Hongwei WANG, Gang WANG   +8 more
doaj   +1 more source

Application of Comprehensive Geophysical Methods in the Exploration of Fire Area No. 1 in the Miaoergou Coal Field, Xinjiang

Applied Sciences
Coal spontaneous combustion in arid regions poses severe threats to both ecological security and resource sustainability. Focusing on the detection challenges in Fire Zone No.
Xinzhong Zhan, Haiyan Yang, Bowen Zhang, Jinlong Liu, Yingying Zhang, Fuhao Li   +5 more
doaj   +1 more source

Transient electromagnetic assessment of seafloor mineral deposits: a model study

, 2011
NS33B-1594 Electromagnetic methods are commonly employed in exploration for land based mineral deposits. A suite of airborne, land and borehole electromagnetic techniques consisting of different coil and dipole configurations have been developed over ...
Jegen, Marion, Hölz, Sebastian, Swidinsky, Andrei   +2 more
core  

Transient Electromagnetic Modelling and Imaging of Thin Resistive Structures: Applications for Gas Hydrate Assessment

, 2011
Gas hydrates are a solid, ice-like mixture of water and low molecular weight hydrocarbons. They are found under the permafrost and to a far greater extent under the ocean, usually at water depths greater than 300m.
Swidinsky, Andrei
core   +1 more source

Geological-engineering integrated reconnaissance survey technology for skylights as a hidden disaster-causing factor

Meitian dizhi yu kantan
ObjectiveSkylights represent a primary hidden disaster factor in mines in the southern Yushen mining area within the Shanbei Jurassic coalfield, Shaanxi Province.
Mintao DONG
doaj   +1 more source

A method for detecting weathered and oxidized zones in shallowly buried coal seams integrating logging and dense microtremor array technology

Meitian dizhi yu kantan
ObjectiveThe central and western regions of China hold abundant shallowly buried coal resources. However, the accurate exploration and safe, efficient development of coal seams in these regions are confronted with serious challenges due to weathering and
Zhi MA, Weisheng HE, Qiuping HU, Zhengxue GUO, Jinju ZHOU, Tongjun CHEN, Le YANG, Zhichao YUAN   +7 more
doaj   +1 more source

Аналіз застосування електромагнітної дефектоскопії при контролі технічного стану обсадних колонн

, 2002
У дослідженні технічного стану механічних колон методами електромагнітної дефектоскопії відомі два напрямки побудови вимірювальних систем . Це - метод аналізу монохромного електромагнітного сигналу і метод імпульсного електромагнітного зондування ...
Прокопів, В. І., Винничук, Г. С., Старостін, В. А.   +2 more
core  

Identification and location of air-filled goafs in the Dalazi iron deposit, China, using integrated geophysical techniques

Geomechanics and Geophysics for Geo-Energy and Geo-Resources
Unregulated mining activities have left behind numerous poorly documented goafs at certain depths. These goafs pose significant threats to subsequent open-pit mining operations and compromise the safety and stability of engineering structures.
Sanshi Jia, Binbo Zhao, Jianfei Fu
doaj   +1 more source

TECTONIC REGIME OF THE SUBURBAN (SOUTHERN) AREA OF CHANIA CITY IN CRETE ISLAND BY USING GEOPHYSICAL METHODS

, 2016
The transient electromagnetic method (TEM) has gained increasing popularity over the last years especially in hydrogeophysical and geotectonic applications. TEM-Fast 48HPC was used for collecting the sounding data during summer 2015.
Soupios, P., A. Savaidis, Kirmizakis, P., Komelidou, C, P. Kirmizakis, Savaidis, A, Tsourlos, P., C. Komelidou, Komelidou, C., P. Soupios, Kirmizakis, P, P. Tsourlos, Savaidis, A., Tsourlos, P, Soupios, P   +14 more
core   +1 more source