Results 31 to 40 of about 2,228,362 (259)

A Novel Tri-Mode Bidirectional DC–DC Converter for Enhancing Regenerative Braking Efficiency and Speed Control in Electric Vehicles

open access: yesWorld Electric Vehicle Journal
A bidirectional dc–dc converter is used to match the voltage levels between a low-voltage battery and a high-voltage traction machine in an electric vehicle.
Noah Dias   +2 more
doaj   +1 more source

Berry phase in a non-isolated system

open access: yes, 2003
We investigate the effect of the environment on a Berry phase measurement involving a spin-half. We model the spin+environment using a biased spin-boson Hamiltonian with a time-dependent magnetic field.
A. Ekert   +5 more
core   +1 more source

Cost-Effective Quadratic Ultra-High Gain DC–DC Converter With High Power Density for DC Microgrid Applications

open access: yesIEEE Open Journal of Power Electronics
This paper presents an ultra-high voltage gain, quadratic-based DC-DC structure optimized for cost-effectiveness and high power density, specifically for DC microgrid applications.
Ali Nadermohammadi   +6 more
doaj   +1 more source

Isolated Non Compacted Left Ventricle: A Diagnostic Dilemma

open access: yesHeart India, 2015
Since the last two decades isolated non compacted LV is recognized as a distinct congenital cardiomypathy produced due to arrest in the embryogenesis and condensation of normal adult myocardium. Course of the disease is malignant and definitive treatment
Mridul Chaturvedi   +2 more
doaj   +1 more source

The vanishing cohomology of non‐isolated hypersurface singularities

open access: yesJournal of the London Mathematical Society, 2022
final version, accepted for ...
Maxim, Laurenţiu   +2 more
openaire   +3 more sources

The properties of horizontal magnetic elements in quiet solar intranetwork

open access: yes, 2009
Using the data observed by the Solar Optical Telescope/Spectro-Polarimeter aboard the Hinode satellite, the horizontal and vertical fields are derived from the wavelength-integrated measures of Zeeman-induced linear and circular polarizations.
Berger Thomas   +26 more
core   +1 more source

A Multifunctional Isolated and Non-Isolated Dual Mode Converter for Renewable Energy Conversion Applications

open access: yesEnergies, 2017
In this paper, a multifunctional isolated and non-isolated dual-mode low-power converter was designed for renewable energy conversion applications such as photovoltaic power generation to achieve different operating modes under bi-directional electrical ...
Yiwang Wang   +5 more
doaj   +1 more source

A New High Voltage Gain Transformer-Less Step-Up DC–DC Converter With Double Duty-Cycles: Design and Analysis

open access: yesIEEE Access
This paper proposes a new high gain step-up non-isolated transformer-less DC-DC converter, achieved through the effective integration of an active switched-inductor network with switched-capacitors.
Arash Imanlou   +5 more
doaj   +1 more source

Sufficiency of non-isolated singularities

open access: yes, 2015
We give, in terms of the ojasiewicz inequality, a sufficient condition for $C^k$-mappings germs of non-isolated singularity at zero to be isotopical.
Migus, Piotr   +2 more
openaire   +2 more sources

Sarcoidosis Presenting as Isolated Gingival Enlargement: A Rare Case Entity [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
Sarcoidosis is a non-caseating granulomatous disease . It is a multiorgan inflammatory disorder of unknown etiology. Conditions affecting skin or other organs frequently involve oral cavity and rarely manifest as gingival disease.
Pragya Tripathi   +4 more
doaj   +1 more source

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