With the increase of Unmanned Aerial Vehicle(UAV) missions complexity,single UAV is limited to energy and load constrain......

Employment constitutes the basis of people’s living and the means to ensure the stability of a country as well. Realizi......

Ⅰ Introduction With the development of economic globalization,business activities begin to take place in much wider are......

Economic globaliza- tion and regional economic integra- tion are the two ma- jor trends of world economic development.In......

The oil recovery enhancement is a major technical issue in the development of oil and gas fields.The smart oil field is ......

As a significant issue, mining cities, especially the resource-exhausted mining cities have already been given intensive......