Results 31 to 40 of about 890,616 (293)

Assimilation of Earth rotation parameters into a global ocean model: excitation of polar motion [PDF]

open access: yes, 2011
The oceanic contribution to Earth rotation anomalies can be manifold. Possible causes are a change of total ocean mass, changes in current speed or location and changes in mass distribution.
Saynisch, J.   +2 more
core   +2 more sources

Ocean Currents Drove Genetic Structure of Seven Dominant Mangrove Species Along the Coastlines of Southern China

open access: yesFrontiers in Genetics, 2021
Mangrove forest ecosystems, which provide important ecological services for marine environments and human activities, are being destroyed worldwide at an alarming rate.
Qifang Geng   +7 more
doaj   +1 more source

Ocean Current Energy Conversion System in Wallacea Region Using Variable Speed Control Approach [PDF]

open access: yes, 2010
Ocean Current Energy Conversion System (OCECS) is a promising green energy resource in this globe. The Thermohaline circulation data indicates that the Wallacea region has the potential of ocean current energy resources.
Nugraha, A. S. (Aditya)   +1 more
core  

An assessment of bottom current controlled sedimentation in Pacific Ocean abyssal environments [PDF]

open access: yes, 2018
The effect of the circulation of polar-sourced dense waters on the deep seafloor is still largely unknown. This paper presents multibeam bathymetric evidence for the existence of present-day contourite drifts on the central Pacific ocean at depths ...
De Bruycker, Wouter   +2 more
core   +2 more sources

Mechanotransducing Organic Electrochemical Diode for Crosstalk‐Inhibited Artificial Skin

open access: yesAdvanced Functional Materials, EarlyView.
An innovative approach is presented to a stretchable mechanotransducing diode that unifies rectification and tactile‐sensing functionality. This approach enables to fabricate the diode that maintains a large rectification ratio (5 × 102) at a high operational frequency (100 Hz).
Taeyeong Kim   +7 more
wiley   +1 more source

The Effect of Purcell Cavities on the Lifetime of Thermally Activated Delayed Fluorescent Emitters

open access: yesAdvanced Functional Materials, EarlyView.
A pressing challenge to OLED displays and lighting is to balance high efficiency and long operational lifetime in the deep blue spectrum. The Purcell effect can reduce the triplet density and hence the probability for destructive energy‐driven triplet annihilation events that limit the OLED lifetime. Here we study of the Purcell effect on two different
Sritoma Paul   +4 more
wiley   +1 more source

All‐Aqueous Pullulan Fibers Enabling Visible‐to‐Near‐Infrared Waveguiding with Mechanical and Thermal Resilience

open access: yesAdvanced Functional Materials, EarlyView.
Pullulan, a biomass‐derived polysaccharide, is transformed into transparent optical fibers using a solvent‐free borax hydrogel‐spinning method. The fibers outperform PMMA with ≈200 MPa tensile strength and 200 °C stability, while uniquely guiding visible‐to‐NIR light and enabling additive‐free humidity sensing.
Yuya Fukata   +4 more
wiley   +1 more source

Studying the evolution of hypoxia/anoxia in Aitoliko lagoon, Greece, based on measured and modeled data

open access: yesFrontiers in Marine Science
The present work, which has been carried out in the framework of EEA project BLUE-GREENWAY, is a contribution to the study of the evolution of hypoxia/anoxia in Aitoliko lagoon, Greece.
Øyvind Knutsen   +6 more
doaj   +1 more source

A Nonlinear Observer for Remotely Operated Vehicles with Cable Effect in Ocean Currents

open access: yesApplied Sciences, 2018
A nonlinear observer for a remotely operated vehicle (ROV) is investigated, and a four-degree-of-freedom nonlinear sliding state observer is designed in this study.
Xiang Li, Min Zhao, Tong Ge
doaj   +1 more source

Transient Translational–Rotational Motion of an Ocean Current Converter Mooring System with Initial Conditions

open access: yesJournal of Marine Science and Engineering, 2023
Systems of ocean current power generation are generally moored deep in the seabed. The mooring system is like ropes. The ropes are very long and can provide tension but not compression, and their dynamic displacement is large and unstable, which is ...
Shueei-Muh Lin, Wen-Rong Wang, Hsin Yuan
doaj   +1 more source

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