The width of the trough has a great relationship with the discharge speed of the overflow p…
Anonymous region where:: Paper type: Expert Authors On the ecological and environmental eff…
The core message: Under the tide of motorized electric vehicles, good…
It is now spring and it will soon be turned into the rainy season. Many basements, housing fl…
And albite feldspar (microcline or orthoclase feldspar) is…
The BRICS Summit was successfully held in Xiamen in September. Secretary Xi Jinping highly prai…
Both practice and theoretical research have proved that increasing the aeration capacity of…
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1. What is a geological disaster?
Geological hazards refer to geological-related di…
Mine design considerations:
First, the basic construction procedure is a summary of…