Results 21 to 30 of about 737,947 (298)
Mineral resources and national economic security: current features [PDF]
Purpose is to estimate current mineral and raw material complex and its effect on national economic security basing upon determination and analysis of the integrated index. Methods.
Bank, O +4 more
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BACKGROUND The Jiulong area in western Sichuan is an important rare metal production area in China, which has a large resource potential. As an ecological protection barrier on the upper reaches of the Yangtze River, the ecological environment of this ...
YU Feng +7 more
doaj +1 more source
The Bangongco–Nujiang metallogenic belt of Tibet is a main suture zone in the Qinghai–Tibet Plateau, which is known as an important porphyry–epithermal–skarn Cu-polymetallic mineralization zone in China.
Longyang Bai +6 more
doaj +1 more source
Cleaning talc samples from iron-containing minerals [PDF]
In studying the material composition of talc ore samples, a comprehensive range of chemical, spectral, optical-emission spectral, granulometric, X-ray structural-phase, physic-mechanical, and mineralogical analyses were conducted.
Normurodov Azizbek +5 more
doaj +1 more source
Sensing for equipment location and mapping in explosion risk zones such as underground coal mines is a difficult proposition due to the regulatory requirement for certified protective enclosures to safely house the required complex electrical equipment ...
Mark Dunn, Peter Reid, John Malos
doaj +1 more source
BACKGROUND The 'Strategic Emerging Industry Mineral Investigation' project actively advocates the application of new theories and methods of green investigation in the exploration and development of large-scale resource bases.
YU Yang +7 more
doaj +1 more source
SOME ASPECTS OF GEORADIO LOCATION IN MINERAL RESOURCES SURVEYING ENERGY [PDF]
Study the possibility of developing the technical and technological justification of georadio location of minerals according the quantity and quality characteristics of the concrete ...
YANKIN, Dmytro
core +2 more sources
A tunnel coaxial 3D hyperspectral scanning system for underground mine investigation
A hyperspectral scanning system was developed for three-dimensional (3D) surface mapping in underground spaces, such as mine shafts and tunnels. A hyperspectral line-scanning camera was mounted on the rotating driver unit coaxial with the tunnel to image
Hyunseob Baik +2 more
doaj +1 more source
The formation of compaction bands in porous brittle rocks such as sandstones and carbonates has a significant impact on the localization mechanisms preceding earth and planetary surface instabilities such as earthquakes, landslides, and plate boundary ...
Xiao Chen +4 more
doaj +1 more source
Industrial mineral resources of Zambia [PDF]
Zambia has for many years been heavily dependent upon the mining of copper which, combined with cobalt production, represents over 98% of mineral sales and 75% of export earnings (1997 figures).
Mitchell, Clive
core

