Results 141 to 150 of about 859,815 (383)
Campus, 2015 Se describe el Efecto Zeeman Normal y se presenta una derivación general del torque experimentado por un dipolo magnético debido a su interacción con un campo magnético externo.
Carlos Calderón Chamochumbi
doaj
Multi-Step Design Optimization for the Improvement of an Outer-Rotor Brushless Direct Current Motor
Applied SciencesBrushless Direct Current (BLDC) motors have seen significant improvements across various electrical applications. The growing focus on motor design research highlights the BLDC motor’s superior efficiency compared to traditional motors, which consume ...
Chun-Yu Hsiao, Soe Min Htet
doaj +1 more source
The Rate of Torque Development as a Determinant of the Torque–Velocity Relationship
Scandinavian Journal of Medicine & Science in SportsABSTRACTWe investigate the contribution of isometric rate of torque development (RTD) and maximal voluntary torque (MVT) to the dynamic force production capacities of knee extensors obtained from the torque–velocity (TV) relationship, that is, the theoretical maximal velocity (V0), torque (T0), and maximal power (Pmax).
Gennaro Boccia +7 more
openaire +2 more sources
Multiband Switchable Microwave Absorbing Metamaterials Based on Reconfigurable Kirigami–Origami
Advanced Functional Materials, EarlyView.A reconfigurable metamaterial featuring tunable microwave‐absorbing and load‐bearing performance is proposed. Stretchable kirigami and bistable origami configurations are integrated as actuating components, and the synergistic deformation mechanisms are systematically analyzed.
Weimin Ding +7 more
wiley +1 more source
Magneto-optical Stern-Gerlach forces and nonreciprocal torques on small particles [PDF]
, 2019 Shulamit Edelstein +5 more
openalex +1 more source
Bio‐Friendly Artificial Muscles Based on Carbon Nanotube Yarns and Eutectogel Derivatives
Advanced Functional Materials, EarlyView.Solid‐state artificial muscles based on coiled commercial carbon nanotube yarns coated with eutectogel derivatives exhibit unipolar actuation through selective ion intercalation. Combining polyanionic and polycationic gels enables enhanced contractile stroke and high energy density.
Gabriela Ananieva +6 more
wiley +1 more source
Inducing Chirality and Chiral Instabilities in Ferrogels with Homogenous Magnetic Fields
Advanced Functional Materials, EarlyView.By pre‐aligning magnetic particles into chains, significant chiral deformations are induced by fixing the base of a cylindrical actuator and applying a homogeneous magnetic field. Subsequent base rotation can drive the system into metastable states. Further rotation or reduction of field strength triggers a chiral instability, characterized by a switch
Francisco J. Vazquez‐Perez +4 more
wiley +1 more source
ببررسی گشتاور باز کردن پیچ اباتمنتهای یک قطعه ای و دو قطعه ای در شرایط خشک و مرطوب [PDF]
Journal of Mashhad Dental School, 2014 مقدمه:استفاده از ماده لوبریکنت در حد فاصل رزوههای بین پیچ اباتمنت و ایمپلنت به منظور کاهش احتمال شل شدن پیچ اباتمنت پیشنهاد شده است. هدف از این مطالعه مقایسه گشتاور لازم برای بازکردن پیچ در اباتمنتهای یک قطعهای و دو قطعهای در شرایط خشک و آغشته به ...
جلیل قنبرزاده +3 more
doaj
Realization of Complex‐Shaped Magnetic Nanotubes with 3D Printing and Electrodeposition
Advanced Functional Materials, EarlyView.Complex‐shaped magnetic nanotubes were fabricated by coating three‐dimensional nanoscaffolds fabricated with focused electron beam induced deposition with a magnetic coating via electrodeposition. X‐ray magnetic microscopy and simulations revealed an azimuthal magnetic configuration within the nanotubes and pinning of domain walls at curved vertices ...
Claudia Fernández‐González +15 more
wiley +1 more source
Advanced Functional Materials, EarlyView.A high‐performance magnetic composite actuator that integrates covalent and reversible physical cross‐links within a stiffness‐tunable polymer matrix embedded with functionalized magnetic particles is presented. The actuator exhibits programmable magnetic responsiveness, a stiffness switching ratio of 1.37 × 103, stretchability up to 1274%, large ...
Somi Kim +7 more
wiley +1 more source