Recent results have confirmed that the global rigidity of bar and joint frameworks on a graph G is a generic property in Euclidean spaces of all dimensions. While this creates the possibility of a combinatorial characterization of genericaly globally rigid graphs, the only current combinatorial characterizations, which are known to be deterministically computable in polynomial time, are in dime...

Laura Island, which is located about 50 km away from downtown, is a source of water supply in Majuro atoll, which is the capital of the Republic of the Marshall Islands. Low and flat Majuro atoll has neither river nor lake. It is very important for Majuro atoll to ensure the conservation of its water resources. However, upconing, which is the process of partial rising of the freshwater-saltwate...

Abstract Based on the deep-water high temperature and pressure LS25 gas field in Nanhai Reservoir, through design of heterogeneous formations water control experimental schemes, physical simulation experiments different reservoir processes have been completed, focusing evaluating variable density compound technology based continuous packers. In terms adaptability reservoirs, this basis, combine...