Results 171 to 180 of about 924,613 (194)

Actuation Strategies for Underwater Jet‐Propelled Soft Robots

Journal of Field Robotics, Volume 43, Issue 6, Page 3868-3892, September 2026.
ABSTRACT This review article examines jet‐propulsion mechanisms in underwater soft robotic systems, focusing exclusively on physically fabricated and experimentally validated robots. Covering research published from 2013 to 2025, this study classifies and evaluates jet‐propulsion robots based on their actuation mechanisms.
Angel Kitone, Mohammed Anteet, Pawandeep S. Matharu, Yara Almubarak   +3 more
wiley   +1 more source

Seasonal Variation in Carbon Dynamics in the Lower Tocantins River: Influence of Discharge and Environmental Drivers

River Research and Applications, Volume 42, Issue 7, Page 1604-1617, September 2026.
ABSTRACT Tropical rivers play a key role in regional carbon budgets, yet greenhouse gas (GHG) dynamics in regulated systems remain poorly understood. This study investigates the seasonal variability of carbon dioxide (CO2) and methane (CH4) concentrations, isotopic composition (δ13C), and river‐atmosphere fluxes in the lower Tocantins River, a ...
Maria Gabriella da S. Araújo, Vania Neu, Victor M. Guedes, Marcelo Z. Moreira, Nicholas D. Ward, Alex V. Krusche   +5 more
wiley   +1 more source

Polysulfide Immobilization and Sulfur Conversion Kinetics Promotion via a Tetrathiafulvalene–Crown Ether COF@Graphene Layer for High‐Rate Lithium–Sulfur Batteries

Small, Volume 22, Issue 49, 1 September 2026.
A polysulfide‐regulating covalent organic framework (TUS‐44) integrating tetrathiafulvalene and crown‐ether linkers forms an electron‐delocalized, ion‐coordinative network that synergistically mediates Li–S redox chemistry. When interfaced with graphene, the TUS‐44@G layer functions as a catalytic and chemisorptive interface, enabling efficient ...
Kai Sun, Tsukasa Irie, Samim Reza, Kohki Sasaki, Mika Nozaki, Tokuhisa Kawawaki, Yujun Fu, Dequan Liu, Ranjit Thapa, Saikat Das, Deyan He, Yuichi Negishi   +11 more
wiley   +1 more source

From Atomic‐Scale Engineering to Industry‐Ready Systems: Prospects for Seawater Electrolysis Toward Hydrogen

Small, Volume 22, Issue 53, 21 September 2026.
Seawater electrolysis is emerging as a viable route for large‐scale green hydrogen production, yet faces challenges from complex chemistries and harsh operating conditions. This review critically examines advances in electrocatalysts, device structures, and mechanistic understanding, highlighting scalable design strategies, durability in real seawater,
Jiaxi Ding, Yutong Wu, Yanzhe Li, Jodie A Yuwono, Joshua Zheyan Soo, Shenlong Zhao, Chuan Zhao, Siva Karuturi, Doudou Zhang   +8 more
wiley   +1 more source

Rational Design of LiNi1‐xFexO2 Electrodes for Enhanced Oxygen Evolution Reaction Under Power‐Fluctuating Operations in Alkaline Water Electrolysis

Small Methods, Volume 10, Issue 18, 23 September 2026.
We develop Fe‐incorporated LiNiO2 for the OER in alkaline media, where Fe enhances Ni3+ oxidation state and optimizes eg orbital filling, significantly improving activity under power fluctuations. ABSTRACT The electrochemical performance of alkaline water electrolyzers is hindered by power fluctuations when integrated with renewable energy sources in ...
Younghan Jung, Asiya M. Tamboli, Sowon Kim, Wan Sik Kim, Sathya Sheela Subramanian, Sejin Im, Junseok Sim, Junseok Oh, Geun Ho Gu, Chang‐Hee Kim   +9 more
wiley   +1 more source

When CO2 sensing fails: Protective effects of sex hormones and potential mechanisms

Journal of Neuroendocrinology, Volume 38, Issue 9, September 2026.
Abstract Breathing movements driven by the brainstem rhythmogenic neural networks rely on chemosensory inputs to produce a motor output that is homeostatically adjusted to the prevailing metabolic demand. The central CO2 chemoreflex is a critical component of respiratory neural circuitry, as defects in these sensors cause hypoventilation syndromes ...
Tara A. Janes, Silvia Cardani, Silvia Pagliardini   +2 more
wiley   +1 more source

Hypoxia‐inducible factor‐1a (HIF1a) as a context‐dependent integrator of metabolic stress in skeletal muscle

The Journal of Physiology, Volume 604, Issue 18, Page 7539-7558, 15 September 2026.
Abstract figure legend Hypoxia‐inducible factor‐1a (HIF1a) integrates physiological and pathological inputs in skeletal muscle, including exercise, circadian timing, cytotoxins and disease. These inputs alter mitochondrial oxidative function, redox state, reactive oxygen species, and local oxygen availability, leading to intermittent or sustained HIF1a
Nicole Welch, Pugazhendhi Kannan, Seshu Vardhan Pothabathula, Annette Bellar, Abhishek A. Chakraborty, Saurabh Mishra, Srinivasan Dasarathy   +6 more
wiley   +1 more source

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Nonlinear dynamics of flexible diaphragm coupling’s rotor system during maneuvering flight

Journal of Strain Analysis for Engineering Design, 2023
Tian Yu Zhao
exaly  

Analytical and experimental study on the axial stiffness of multiple corrugated diaphragm coupling based on the corrugated circular plate theory

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2021
Angang Cao
exaly  

Fatigue Failure Analysis of Spring Coupling Diaphragm in Wind Power Generator

Journal of Failure Analysis and Prevention, 2021
Tao Yang, Lixuan Zheng
exaly