Results 81 to 90 of about 37,522 (309)

Functional morphology of the pharyngeal teeth of the ocean sunfish, Mola mola

The Anatomical Record, EarlyView.
Abstract Many fish use a set of pharyngeal jaws in their throat to aid in prey capture and processing, particularly of large or complex prey. In this study—combining dissection, CT scanning, histology, and performance testing—we demonstrate a novel use of pharyngeal teeth in the ocean sunfish (Mola mola), a species for which pharyngeal jaw anatomy had ...
Benjamin Flaum, Michael J. Blumer, Mason N. Dean, Laura J. Ekstrom   +3 more
wiley   +1 more source

Energy regeneration from suspension dynamic modes and self-powered actuation [PDF]

, 2015
Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works ...
Amir Shahba, Amir, Chen, Yong, De Silva, Clarence W., Guangming Jin, Guangming, Khoshnoud, Farbod, Pissanidis, Georgios, Ray Shimura, Ray, Yuchi Zhang, Yuchi   +7 more
core   +1 more source

T. rex cognition was T. rex‐like—A critical outlook on diverging views of the neurocognitive evolution in dinosaurs

The Anatomical Record, EarlyView.
Abstract A recent debate has emerged between Caspar et al. (2024) and Herculano‐Houzel (2023) on inferring extinct dinosaur cognition by estimating brain neuron counts. While thought‐provoking, the discussion largely overlooks the function of cognition, as well as partly neglects the difficulties involved in estimating neuron numbers, which according ...
Thomas Rejsenhus Jensen, Ivo Jacobs, Kristina Kverková, Lona Lalić, Alexandra Polonyiová, Patrik Stehlík, Stephan A. Reber, Mathias Osvath   +7 more
wiley   +1 more source

Wind–Storage Coordinated Control Strategy for Suppressing Repeated Voltage Ride-Through of Units Under Extreme Weather Conditions

Energies
In practical engineering, large-scale wind power integration typically requires long-distance transmission lines to deliver power to load centers. The resulting weak sending-end systems lack support from synchronous power sources.
Yunpeng Wang, Ke Shang, Zhen Xu, Chen Hu, Benzhi Gao, Jianhui Meng   +5 more
doaj   +1 more source

Low Voltage Ride Through Enhancement Based on Improved Direct Power Control of DFIG under Unbalanced and Harmonically Distorted Grid Voltage [PDF]

Journal of Operation and Automation in Power Engineering, 2016
In the conventional structure of the wind turbines along with the doubly-fed induction generator (DFIG), the stator is directly connected to the power grid.
Ahmadreza Nafar, Gholam Reza Arab Markadeh, Amir Elahi, Reza pouraghababa   +3 more
doaj  

Community intermediary strategies and tactics to close digital divides and enhance equitable technology use in everyday life

Journal of the Association for Information Science and Technology, EarlyView.
Abstract Online technologies are required for accessing essential services, such as healthcare, transportation, and education. Challenges to online technology access can prevent resource‐constrained communities from connecting to these services. Human intermediaries who act in the middle space between technology and the person using the technology may ...
Marcy G. Antonio, Alicia Stone, Tawanna Dillahunt, Lorraine Buis, Tiffany C. Veinot   +4 more
wiley   +1 more source

Fault ride-through coordinated control strategy for offshore wind power via flexible low-frequency transmission system

电力工程技术
The offshore wind power via flexible low-frequency transmission (FLFT) system based on the modular multilevel matrix converter (M3C) faces power surplus and stability risks following faults on the power frequency grid side.
Nianwen XIANG, Hailong CHENG, Shouhong YE, Bingbing SHAO, Shulai WANG, Yi LU   +5 more
doaj   +1 more source

Voltage Stability Analysis of Grid-Connected Wind Farms with FACTS: Static and Dynamic Analysis [PDF]

, 2015
Recently, analysis of some major blackouts and failures of power system shows that voltage instability problem has been one of the main reasons of these disturbances and networks collapse.
Angeles-Camacho C., Ayodele T. R., Bansal R., Camm E. H., Cañizares C., Fu R., Hingorani N. G., Kundur P., Rozlan M., Saeed A. M.   +9 more
core   +2 more sources

Investigation on influential factors on chloride concentration index of cement-based materials by pore solution expression method [PDF]

, 2020
In this study, the effects of different factors on chloride concentration index (N-c) of cement paste were studied. The factors including chloride concentration in soaking solution, slag replacement, external applied voltage and cation ions of soaking ...
De Schutter, Geert, Hu, Xiang, Shi, Caijun, Zhu, Deju   +3 more
core   +1 more source

Parental involvement and engagement during COVID‐19 lockdowns: School staff and parents' reflections about children's learning at home

British Educational Research Journal, EarlyView.
Abstract Valuing parental engagement, as part of home–school collaboration, can benefit children's learning. This article focuses on parents and school‐based staff's (N = 120) experiences of children's learning occurring at home during the COVID‐19 lockdowns (2020–2021), both school‐mandated and other learning activities.
Ashley Brett, Bonny L. Hartley, Deborah Wallace, Adewale Magaji, Lorraine Smith, Rachel Wolfendale   +5 more
wiley   +1 more source