Sentence examples for different mining conditions from inspiring English sources

In order to reflect the different mining conditions at the Wismut company the sample was stratified by the date of first employment (1946 1954, 1955 1970, 1971 1989), place of work and area of mining.

The movement and fracture evolution of overburden rocks in pillarless mining have been revealed by studying the de-stressing effect of overlying rocks with large-scale physical simulation systems under different coal mining conditions.

The developed multivariate regression model is utilized for generating design/stability charts of pillars for different geo-mining conditions.

The sensors are used to collect stress data at different locations under simulated mining conditions, gas concentrations and temperatures.

Coal resources in China differ vastly in the nature of their deposition; the theoretical and technological innovations with respect to integrated extraction of coal and gas take different deposition conditions and different mining methods into account.

This system is a semi-quantitative risk rating system and takes into account the relative differences in the importance of hazards as experienced at each mine site as a result of different combinations of geotechnical factors and mining conditions.

The experimental system can be used to study the performance of gas movement under different gas adsorption equilibrium pressure, moisture content and mining conditions.

The experimental system can be used to study the performance of gas movement under different gas adsorption equilibrium pressure, moisture content and mining conditions.  .

Mining systems were also developed to simulate mining conditions.

LETTER FROM LA PAZ describes the mining conditions in Bolivia.

In underground coal mines, surface subsidence induced by different mining methods are very different.