Results 131 to 140 of about 20,619 (262)

Long‐Term Trends in Juvenile Blue Crab Recruitment Patterns in a Wind‐Driven Estuary

open access: yesFisheries Oceanography, Volume 35, Issue 2, Page 225-236, March 2026.
ABSTRACT Conserving exploited marine species requires understanding population dynamics across life stages and habitats. This study analyzes juvenile blue crab (Callinectes sapidus) recruitment trends in North Carolina's Albemarle‐Pamlico Estuarine System.
Erin Voigt   +2 more
wiley   +1 more source

Dynamics Characteristic Analysis of Involute Gear with Asymmetric Tooth Considering the Influence of Time-varying Stiffness and Backlash

open access: yesJixie chuandong, 2019
To obtain more accurate dynamics change law for asymmetric involute gear, dynamics model of asymmetric involute gear is established by introducing time-varying stiffness and gear backlash.
Qi Chen   +3 more
doaj  

Application of Face-Gear Drives in Helicopter Transmissions [PDF]

open access: yes
The use of face gears in helicopter transmissions was explored. A light-weight, split torque transmission design utilizing face gears was described. Face-gear design and geometry were investigated.
Bossler, R. B., Jr.   +5 more
core   +1 more source

Fight Like a Girl: Fitness Testing as Gendered Organizational Logic in the U.S. Army

open access: yesGender, Work &Organization, Volume 33, Issue 2, Page 399-411, March 2026.
ABSTRACT Organizational logics related to excellence and equity are changing rapidly in contemporary workplaces, yet limited research examines the impacts of specific policy initiatives, including why some fail—or even backfire. This study examines one such recent policy case: a temporary period of gender‐neutral fitness testing in the United States ...
Carrie Carter
wiley   +1 more source

Vibration-based methods for structural and machinery fault diagnosis based on nonlinear dynamics tools [PDF]

open access: yes, 2012
This study explains and demonstrates the utilisation of different nonlinear-dynamics-based procedures for the purposes of structural health monitoring as well as for monitoring of robot ...
Manoach, Emil, Trendafilova, Irina
core  

Noise, Vibration, and Harshness (NVH) Challenges in Hydrogen Internal Combustion Engine Vehicles

open access: yesEnergy Science &Engineering, Volume 14, Issue 2, Page 1067-1080, February 2026.
ABSTRACT This paper presents a state‐of‐the‐art literature review on noise, vibration, and harshness (NVH) in hydrogen‐fuelled internal combustion engines. Studies published between 2011 and 2025 were screened, covering fundamental flame physics, test‐bench work, and recent prototype vehicles.
Krisztián Horváth
wiley   +1 more source

Design of the New Flex Wheel Tooth Profile for Harmonic Drive Based on Transient Dynamics

open access: yesJixie chuandong
In order to improve the transmission performance and meshing performance of harmonic gear drives, a new type of flexible gear tooth profile is designed on the basis of the comparison of the meshing backlash of different tooth profiles by analyzing the ...
Zheng Junjian, He Xueming, Li Pengchao
doaj  

Multi-Joint Bionic Mechanism Based on Non-Circular Gear Drive. [PDF]

open access: yesBiomimetics (Basel), 2023
Liu D, Zhang T, Cao Y.
europepmc   +1 more source

Tuning arrangement for an electron discharge device or the like Patent [PDF]

open access: yes, 1970
Tuning arrangement for frequency control of magnetron-type electron discharge ...
Martucci, V. J.
core   +1 more source

Optimizing the patient journey: Insights from early implementation of long‐acting cabotegravir and rilpivirine in four urban Ryan White‐funded clinics in the United States

open access: yesJournal of the International AIDS Society, Volume 29, Issue 2, February 2026.
Abstract Introduction Long‐acting injectable (LAI) cabotegravir/rilpivirine (CAB/RPV) represents a breakthrough in HIV treatment. However, understanding how to optimize real‐world service delivery and user experiences among people with HIV (PWH) remains limited. Methods Between August 2022 and December 2024, we conducted semi‐structured interviews with
Xavier A. Erguera   +17 more
wiley   +1 more source

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