Results 181 to 190 of about 343,611 (255)

Patterns of spinal motion, kinematic spaces and the land‐to‐sea transition in carnivorans

The Anatomical Record, EarlyView.
Using 3D reconstructions, we quantify intervertebral joint mobility to investigate how cervical, thoracic, and lumbar vertebral regions evolved distinct kinematic roles in pinnipeds. The findings reveal lineage‐specific adaptations for swimming and highlight the functional significance of vertebral joint flexibility in ecological transitions.
Juan Miguel Esteban, Alberto Martín‐Serra, Alejandro Pérez‐Ramos, Borja Figueirido   +3 more
wiley   +1 more source

The 9+ month marathon: How pregnancy may have shaped human endurance capacities

The Anatomical Record, EarlyView.
Abstract Anthropology has long considered the evolution of our uniquely human endurance capacities to be the result of selection upon anatomical and physiological features imposed by the demands of thermoregulation and resource acquisition, particularly during the demands of persistence hunting. Research has focused on the anatomical changes present in
Cara Ocobock
wiley   +1 more source

The Biologically Enhanced Anterior Cruciate Ligament Reconstruction With Combined Injection of Harvested Platelet‐Rich Plasma, Thrombin, and Bone Marrow Aspirate Concentrate

Arthroscopy Techniques, EarlyView.
Abstract Despite continuous advances, anterior cruciate ligament reconstruction still struggles to restore full native knee function, as most techniques improve mechanical stability but overlook biological healing. The described superenhanced anterior cruciate ligament reconstruction technique aims to address this biological problem through a quadruple
Akram Aldawoudy, Micheal T. Hirschmann, Ahmed Abdalla Ahmed Abdelgawad, Hesham Mohamed Gawish   +3 more
wiley   +1 more source

Pharmacogenomics of dolutegravir: A scoping review of evidence, gaps and clinical implications

British Journal of Clinical Pharmacology, EarlyView.
Dolutegravir underpins modern first‐ and second‐line HIV treatment regimens; however, interindividual variability in its disposition and tolerability presents challenges for optimal use. This scoping review mapped current evidence on the pharmacogenomics of dolutegravir, focusing on pharmacokinetics and pharmacodynamics, and methodological limitations ...
Ronald Kiguba, Mishael Ssesanga, Munir Pirmohamed   +2 more
wiley   +1 more source

String Figuring young children's perspectives of quality in English early childhood education and care

British Educational Research Journal, EarlyView.
Abstract Quality in early childhood education and care (ECEC) is a contested concept and has generally been conceptualised by inter‐related indicators such as staff qualifications, educational environment, policy or child‐to‐staff ratios. There has been a more limited emphasis on how young children might perceive and experience quality.
Nikki Fairchild, Éva Mikuska
wiley   +1 more source

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Investigation of bogie positions on the aerodynamic drag and near wake structure of a high-speed train

Journal of Wind Engineering and Industrial Aerodynamics, 2019
As train speed increases, the aerodynamic drag reduction becomes increasingly significant. The aim of this paper is to find out appropriate bogie positions to reduce the drag of a high-speed train.
Guangjun Gao, Jiabin Wang, Kan He
exaly   +2 more sources

Aerodynamic drag in cycling: methods of assessment

Sports Biomechanics, 2011
When cycling on level ground at a speed greater than 14 m/s, aerodynamic drag is the most important resistive force. About 90% of the total mechanical power output is necessary to overcome it. Aerodynamic drag is mainly affected by the effective frontal area which is the product of the projected frontal area and the coefficient of drag.
William M Bertucci
exaly   +3 more sources

A novel bionic Coleoptera pantograph deflector for aerodynamic drag reduction of a high-speed train

Journal of Central South University, 2023
Guangjun Gao, Zheng-Wei Chen, Shuai Han   +2 more
exaly   +2 more sources

Numerical investigation of influence of pantograph parameters and train length on aerodynamic drag of high-speed train

Journal of Central South University, 2020
Tiantian Wang, Wang Tian-Tian
exaly   +2 more sources

Flow control for aerodynamic drag reduction of a high-speed train with diversion slots on bogie regions

The Physics of Fluids, 2023
A diversion slot is one of the potential mechanical devices to reduce high-speed train underbody aerodynamic resistance. This research aims to investigate the effectiveness of using diversion slots as a means of passive flow control to reduce the ...
Jie Zhang, Abdulmalik Adamu, F. Gidado, Mingzan Tang, Ozgun Ozer, Xiaodong Chen   +5 more
semanticscholar   +1 more source