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The typhoon boundary layer within the two super typhoons Dujuan and Soudelor is observed using ground-based Doppler lidar up to a height of 240 m, and primarily in the outer rain-bands. The mean wind-speed profiles are analyzed over 1-h intervals and two longer intervals, representing the stages of the typhoons’ approach and departure, respectively. In agreement with surface-layer parametrizations...
With the depletion of land resources, marine resources development and utilization become increasingly apparent. Accompanied by the development of marine resources from nearshore extension to the deep ocean, Unmanned Underwater Vehicles (UUVs) become key instruments. Generally, UUVs include autonomous and tethered types; each has its advantages and disadvantages. Through the use of combined vehicle...
Underwater data collection by using Autonomous Underwater Vehicles (AUVs) is increasing within the oceanographic research community. AUVs are remarkable machines that processed data for gathering local bathymetric information, which have been developed, investigated and utilized for various purposes. In this study, the Iver2 AUV is examined to accomplish location mapping by well-planned trajectory...
Bacterial cellulose (BC) and bacterial cellulose–chitosan (BC–Ch) membranes were successfully produced in large scale. BC was synthesized by Acetobacter xylinum. BC–Ch was prepared by immersing BC in chitosan followed by freeze-drying. The surface morphology of BC and BC–Ch membranes were examined by a scanning electron microscope (SEM). SEM images showed that BC–Ch possessed a denser fibril network...
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