Based on the data of actual observations, the paper discussed the changes of hydraulic characteristics in the Red beds and the effect of mining disturbance on water inflow in coal mines.

根据实际观测资料，论述采动作用下红层水力特征变化及对矿井充水的影响。

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"Sanctions have had a real effect on the performance of our industries, mining manufacturing, we can't get spare parts, we can't get credit lines and we are blocked in regard to aid from the World Bank and IMF."

VOA: standard.2009.09.12

Last year's mining law in effect expropriated ownership of land from private miners.

ECONOMIST: From a royalties bill, the strong rand and lawsuits

These hikes, according to Joaquin Vespignani of Barclays Capital, have no effect on the mining industries, which sell and borrow abroad.

ECONOMIST: Petri-dish economies

"These will be on the plaque for all the other Welsh mining tragedies and are likely to include words to the effect of 'Hopefully the four miners killed at Gleision will be the last', " said Jack Humphreys, chair of the group, which is still raising money to cover the cost of the memorial.

BBC: Gleision rethink for national mining memorial