Results 1 to 10 of about 9,839 (202)

Design of a system for controlling a levitating sphere in superfluid 3He at extremely low temperatures [PDF]

open access: yesScientific Reports, 2021
We present a new mechanical probe to study the properties of superfluid 3He at microkelvin temperatures down to 100 μK. The setup consists of a set of coils for levitating a superconducting sphere and controlling its motion in a wide variety of regimes ...
Manuel Arrayás   +3 more
doaj   +2 more sources

Electromagnetismo

open access: yesGóndola, Enseñanza y Aprendizaje de las Ciencias, 2007
En este trabajo hacemos una propuesta metodológica para la enseñanza del electromagnetismo,  por medio de la cual se pretende lograr que los estudiantes comprendan el fenómeno a partir de sus experiencias cotidianas,  con los dispositivos cotidianos que
William Rincón, Jhon Tovar
doaj   +2 more sources

Elastic and inelastic strain in submicron-thick ZnO epilayers grown on r-sapphire substrates by metal-organic vapour phase deposition. [PDF]

open access: yesActa Crystallogr B Struct Sci Cryst Eng Mater
Sub‐micron a‐ZnO epilayers (12 to 770 nm) grown on r‐sapphire by MOCVD have been analysed using SEM, HRXRD, UPS, XPS and HRTEM. The distortion of the unit cell has been determined and the consequent strain shows a transition from an inelastic to an elastic state, separated by a critical thickness; a method to experimentally determine this critical ...
Martinez-Tomas MC   +6 more
europepmc   +2 more sources

Recent Advances in Forward Brillouin Scattering: Sensor Applications [PDF]

open access: yesSensors, 2022
In-fiber opto-mechanics based on forward Brillouin scattering has received increasing attention because it enables sensing the surrounding of the optical fiber.
Luis A. Sánchez   +3 more
doaj   +2 more sources

Magnetic-Assisted Control of Eggs and Embryos via Zona Pellucida-Linked Nanoparticles. [PDF]

open access: yesAdv Sci (Weinh)
Novel method to specifically attach magnetic nanoparticles (NP) through OVGP1 (Ov) protein to the external matrix that surround eggs and embryos. Labeled reproductive cells can be moved or retained in response to a magnetic force while preserving their competence.
García-Vázquez FA   +8 more
europepmc   +2 more sources

Laboratorio de electromagnetismo

open access: yes, 2015
Laboratorio de Electromagnetismo es una herramienta de apoyo a la docencia y nace con el objetivo de afianzar los conocimientos de electrostática, corrientes eléctricas, circuitos elementales y magnetismo. Su propósito se fundamenta en once prácticas orientadas a la realización de experimentos, a través del adecuado manejo de nstrumentos de precisión y
exaly   +3 more sources

Aplicaciones del electromagnetismo en la medicina

open access: yesCiencia e Ingeniería Neogranadina, 2001
El Magnetismo es un fenómeno producido por algunas sustancias naturales y de igual manera por corrientes eléctricas. Se puede producir por una partícula cargada en movimiento, como también por una corriente eléctrica que está sometidas a fuerzas en ...
Wilken Rodríguez Escobar   +1 more
doaj   +5 more sources

Editorial for the Special Issue on AC Electrokinetics in Microfluidic Devices, Volume II [PDF]

open access: yesMicromachines
The use of AC electric fields in manipulating and characterizing liquids and suspended particles in microfluidic systems continues to drive innovation in several fields, such as colloidal science, microelectronics, and biotechnology [...]
Antonio Ramos   +2 more
doaj   +2 more sources

Un provocador problema de electromagnetismo

open access: yesRevista de Enseñanza de la Física
Un desafiante planteo que hace el divulgador científico Derek A. Muller, con un circuito eléctrico muy simple pero muy curioso, es elegido en función de su potencialidad para reflexionar sobre algunos aspectos básicos relacionados con la circulación de ...
Lorenzo M. Iparraguirre
doaj   +2 more sources

A Simple Microfluidic Device to Mitigate the Effect of Faradaic Reactions in Cross-Stream Particle Migration in DC-Electrokinetics [PDF]

open access: yesMicromachines
Direct-current (DC) electrokinetics in microfluidic channels is inherently affected by Faradaic reactions at the electrode–electrolyte interfaces, which induce local changes in pH and conductivity and, consequently, alter particle behavior. In this work,
Juan Arcenegui-Troya   +2 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy