Results 121 to 130 of about 155,574 (308)
Understanding Operando Water Management in Hydroxide‐Exchange‐Membrane Fuel Cells
Advanced Materials Interfaces, EarlyView.Effective water management is vital for high‐performance hydroxide‐exchange‐membrane fuel cells. Using a custom water‐flux station, this study quantifies how membrane thickness, microporous layers, and operating conditions dictate internal water transport.
Catherine M. Weiss +4 more
wiley +1 more source
Optimal discrete-time design of magnetic attitude control laws
, 2005 The problem of designing discret-time attitude controllers for magnetically actuated spacecraft is considered. Several methods are discussed and a novel appraoch to the tuning of various classes of "protection based" controllers is proposed relying on ...
Lovera, Marco +3 more
core
An Efficient 3D-Printed Gravity Mixer for Lab-on-a-CD Applications
MicromachinesWe introduced a new, highly efficient, and uncomplicated mixing device for centrifugal microfluidic platforms, called the gravity mixer. The gravity mixer featured a slope channel that can precisely and sequentially control micro-volume liquids using ...
Yunxia Wang +3 more
doaj +1 more source
Gravity Control in Spinal Anaesthesia [PDF]
Postgraduate Medical Journal, 1943 openaire +2 more sources
Advanced Materials Technologies, EarlyView.Liquid metal direct writing is advanced from a technological and fundamental point. Utilizing a kinematic bed, printing on large surfaces with irregularities is enabled. Furthermore, a pressure‐driven flow during printing is discovered that affects the thickness of traces.
Maximilian Krack +15 more
wiley +1 more source
Quantum Superposition of Massive Objects and the Quantization of Gravity
, 2023 When a massive quantum body is put into a spatial superposition, it is of interest to consider the quantum aspects of the gravitational field sourced by the body.
Belenchia, Alessio
core
An Accessible Microfluidic Platform for the Generation of Polarized Brain Organoids
Advanced Materials Technologies, EarlyView.This study presents an accessible double‐gradient microfluidic device that enables controlled morphogen delivery and spatially polarized differentiation in brain organoids. By integrating a pump‐free design and stable fabrication method, the platform generates dorsal–ventral neuronal asymmetry, offering a reproducible and versatile approach to model ...
Daniel Pérez‐Calixto +6 more
wiley +1 more source
Fully 3D‐Printed Wave‐Wound Electromagnetic Motors
Advanced Materials Technologies, EarlyView.This work presents the first fully 3D‐printed wave‐wound electromagnetic motors, which are created using conductive nanoparticle inks, carbon‐filled nylon polymers, and surface mount components. These motors can achieve a stall torque of 7.62N·mmA−1$7.62 \nobreakspace N{\cdot }mm A^{-1}$ and efficiency of 28.2 %, which approaches the performance of ...
Joseph Schwalbe +4 more
wiley +1 more source
Fuzzy gravity compensation for wall-climbing microrobots
, 2010 A fuzzy control system with gravity compensation is presented to improve the performance of the wall-climbing microrobots. After introduction of the robot system, robot motion modes are described.
Wang HG(王洪光) +3 more
core
Electrochromic orbit control for smart-dust devices
, 2012 Recent advances in MEMS (micro electromechanical systems) technology are leading to spacecraft which are the shape and size of computer chips, so-called SpaceChips, or ‘smart dust devices’.
Colombo, Camilla +3 more
core +1 more source