Results 61 to 70 of about 686 (201)
Characterisation of human hair follicle development
Schematic of hair follicle development in human skin. Hair follicle primordia of similar sizes, but different densities, are laid out across the skin. The distinction between terminal and vellus hair sites is not obvious at early stages of hair follicle development.
Zoe R. Sudderick +4 more
wiley +1 more source
In the paper, a new method designing slider-crank mechanism is put forward. By solving a simple system of linear equation or utilizing the analytical formula given in the paper, the dimensions of slider-crank mechanism which meets the demands of quick ...
李建功, 王家金
doaj
Analysis and simulation of Wiseman hypocycloid engine
This research studies an alternative to the slider-crank mechanism for internal combustion engines, which was proposed by the Wiseman Technologies Inc. Their design involved replacing the crankshaft with a hypocycloid gear assembly.
Priyesh Ray, Sangram Redkar
doaj +1 more source
Tip Quantification enables quantitative analyses over versatile selections of regions of interest. Summary Cell polarity and tip growth rely on the dynamic spatial organization of signaling and structural components. Quantitative characterization of these spatiotemporal dynamics is critical for understanding polarized cell growth, yet manual ...
Jingzhe Guo +7 more
wiley +1 more source
Mechanism Design and Kinematics Analysis of Adaptive Rehabilitation Apparatus for Human Knee Joint
The knee adaptive rehabilitation apparatus is designed, which consists of a swinging guide linkand a crank slider mechanism.According to ergonomics,the size range of the shank in the adaptive rehabilitation apparatus is determined by analyzing the motion
Tongtong Zhong +4 more
doaj
Abstract Background Extracellular vesicles (EVs), especially exosomes, are nanoparticles increasingly recognized as key regulators of intercellular communication in both physiological and pathological aspects. Despite rapid progress, inconsistencies in nomenclature, isolation, and characterization continue to restrict translational advancement.
Paras Ahmad +6 more
wiley +1 more source
This study focuses on investigating the behavior of slider–crank mechanisms with different bearing failures using a vibration analysis technique. The reliability and lifespan of bearings are crucial for such mechanisms, which convert rotary motion to ...
Mofareh Hassan Ghazwani, Van Vinh Pham
doaj +1 more source
Fish Scales: A Multifunctional Biomaterial from Nature
Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley +1 more source
Compared with crank and slider mechanism,the ultimate output component with crank toggle as a combination transmission mechanism has some better characteristics for transmitting movement and force.The relation of position,speed and acceleration between ...
王粟 +4 more
doaj
Actuation Strategies for Underwater Jet‐Propelled Soft Robots
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 +3 more
wiley +1 more source

