Results 1 to 10 of about 7,957 (265)
Aquatic and terrestrial heart rates in fur seals: evidence for delayed metabolic processing [PDF]
A seal’s heart rate is affected by their physiological adaptation to aquatic and terrestrial environments. At-sea, heart rate during dive bouts cycles between bradycardia during dives and tachycardia for oxygen replenishment on the sea-surface.
Melissa J. Walker +10 more
doaj +2 more sources
Optimized Placement of Onshore Wind Farms Considering Topography
As the scale of onshore wind farms are increasing, the influence of wake behavior on power production becomes increasingly significant. Wind turbines sittings in onshore wind farms should take terrain into consideration including height change and slope ...
Xiawei Wu, Weihao Hu, Qi Huang
exaly +3 more sources
Construction and application of reservoir development measure benefit evaluation system [PDF]
The reservoir passes the peak of reserves.The reserves of new investment and development are decreasing year by year. The reserve resources are insufficient. Some of the main development units have entered the stage of secondary or tertiary oil recovery.
Han Dan, Zhang Debin
doaj +1 more source
Taxonomía de las alternativas de outsourcing mediante revisión sistemática de literatura
Objetivo: Facilitar la gestión de la cadena de suministro y los procesos de toma de decisiones. Se analiza el caso de América Latina como opción de outsourcing para ilustrar su aplicación.
Cesar Augusto López Ramírez +2 more
doaj +1 more source
Wind energy developments can be responsible for negative impacts on birds, including displacement. In this study we performed a systematic review of the literature available on bird displacement due to wind turbines, both onshore and offshore, to: (i ...
Ana Teresa Marques +2 more
doaj +1 more source
Effect of CO2 Huff and Puff Rounds on Crude Oil Properties
In view of the deterioration of oil well liquid supply capacity and oil increase effect after multiple rounds of carbon dioxide (CO2) huff and puff, according to the actual conditions of the Ng12 reservoir in the XA oilfield, an indoor physical ...
Qionglin Shi, Sha Gong, Xiaoping Qin
doaj +1 more source
The Island of Hawai’i was formed by repeated eruptions of basalts at an oceanic hotspot. Kı̄lauea, the youngest among the subaerial volcanoes of the island, erupted intensely in 2018.
XiaoZhuo Wei +3 more
doaj +1 more source
Design and Evaluation of the Compact and Autonomous Energy Subsystem of a Wave Energy Converter
This paper presents the results of the design process focused on the development of the energy subsystem (ES) of a wave energy converter (WEC). The ES is an important electrical part that significantly affects the energy reliability and energy efficiency
Marcin Drzewiecki, Jarosław Guziński
doaj +1 more source
Foundations of wind turbines are subject to challenging conditions during their service life as they support ever larger wind turbines under complex loading situations.
Alexandre Mathern, Jonas Magnusson
doaj +1 more source
Wind Variation near the Black Sea Coastal Areas Reflected by the ERA5 Dataset
In the context of the European Green Deal implementation, it is expected that there will be an increase in number of the wind farms located near the coastal areas in order to support this initiative.
Victoria Yildirir +2 more
doaj +1 more source

