Results 141 to 150 of about 141,283 (195)

Estudio de la tensión arterial normal en nuestro medio

open access: yes, 1949
Contiene: generalidades: datos históricos y anatomofisiológicos; factores fisiológicos que modifican la tensión arterial; métodos de exploración de la tensión arterial; instrumentos empleados; valorización de la tensión arterial; reglas para unificar el ...
Celi Rodríguez, Leonidas Arsenio
core  

Giant Magnetic Coercivity Driven by Spin‐Bag Ferromagnetism in Epitaxial Sr3YCo4O10+δ Films with Engineered 2D Oxygen Vacancy Ordering

open access: yesAdvanced Functional Materials, EarlyView.
A giant magnetic coercivity and a vertical shift of hysteresis loops are demonstrated in Sr3YCo4O10+δ epitaxial films. The hard magnetic behavior originates from ferromagnetic spin bags stabilized within a long‐range ordered oxygen‐vacancy structure.
Yanbin Chen   +12 more
wiley   +1 more source

La permanente tensión entre la ley y la sentencia como aplicatio de la hermenéutica gadameriana

open access: yesEstudios de Derecho, 1995
La permanente tensión entre la ley y la sentencia como aplicatio de la hermenéutica ...
Beatriz Quintero
doaj  

Optical Signature of Moiré Superlattices Formed by Twisted SrTiO3 Membranes

open access: yesAdvanced Functional Materials, EarlyView.
We discover optical signatures from bonded interfaces in twisted SrTiO3 moiré superlattices, including low‐frequency Raman vibrational modes and strong second‐harmonic generation, consistent with strong interlayer coupling inferred from cross‐sectional electron microscopy and ab initio calculations. ABSTRACT Moiré superlattices formed at the interfaces
T. A. M. Ragib Shahriar   +13 more
wiley   +1 more source

Sílabo de Alta tensión

open access: yes
Los contenidos generales que la asignatura desarrolla son los siguientes: conceptos fundamentales; efectos de la alta tensión; puestas a tierra de sistemas de potencia, descargas eléctricas, protección contra descargas atmosféricas, estudio de la ...
Universidad Continental
core  

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

Los aparatos de medida de la corriente eléctrica : amperímetro, voltímetro, vatímetro

open access: yes, 1965
Esta cartilla estudia los diferentes tipos de aparatos para medir la intensidad, la tensión y la potencia eléctrica.This booklet studies the different types of devices to measure intensity, voltage and electrical energy.La medida de la intensidad de la ...
Keredan, Guillou, Rubiano M., Segundo
core  

Embedded Ferroelectric Nanoclusters Can Drive Polarization Reversal in a Non‐Ferroelectric Polar Film via the Proximity Effect

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectric nanoclusters create local internal fields in a normally non‐switchable polar film because of polarization mismatch at their interfaces. That field opposes polarization in the regions with larger polarization and reinforces polarization in the regions with smaller polarization.
Anna N. Morozovska   +5 more
wiley   +1 more source

Semiconducting Polymers Post‐Functionalized With Ureido‐Pyrimidinone for Robust Stretchable Transistors

open access: yesAdvanced Functional Materials, EarlyView.
The design of intrinsically robust stretchable semiconducting polymers was achieved through OTBS‐mediated post‐functionalization of PDPP2T side chains with UPy units, generating dual hydrogen‐bonding motifs comprising weaker urethane linkages and strong quadruple UPy interactions along the long alkyl side chain, which is crucial for achieving desirable
Dinda Bazliah   +7 more
wiley   +1 more source

Fasores en una línea de alta tensión modelada en pi

open access: yes, 2017
Simulación interactiva en Matlab de un modelo en pi de una línea de alta tensión. El laboratorio virtual computa el cálculo de los fasores temporales de tensión y corriente en ambos extremos de una línea a partir de sus parámetros característicos, la ...
Roldán-Blay, Carlos
core  

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