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Many hydrate-bearing sediments are featured with unconsolidated argillaceous siltstones, which can pose a great challenge for gas production due to the migration of fine clay and silt particles (or sandout) that can restrict sustainable gas flow. In this study, based on the geological characteristics of unconsolidated argillaceous siltstones in typical subsea sediment, a controlled sandout or limited...
The fast growing Revenue Passenger Kilometers and the relatively lagged energy supply of aviation industry impels the airlines to improve energy efficiency. In this paper, we focus on evaluating and analyzing influencing factors for airline energy efficiency. Number of employees and aviation kerosene are chosen as the inputs. Revenue Ton Kilometers, Revenue Passenger Kilometers and total business...
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