Results 41 to 50 of about 2,207,218 (336)

A review of DC/DC converter-based electrochemical impedance spectroscopy for fuel cell electric vehicles

open access: yesRenewable Energy, 2019
Considering transport applications, there is worldwide an increasing interest in the use of hydrogen-energy for supplying electric powertrains. In order to extend the fuel cell lifespan and to increase its reliability and efficiency, the following ...
Hanqing Wang, A. Gaillard, D. Hissel
semanticscholar   +1 more source

Automatized Multi-Electrode Voltage Map Measurement of Active Points on Skin

open access: yesCommunications, 2011
Our contribution deals with the human skin voltage chart measurement. We have concentrated our effort on finding and following the measurement of active points on different parts of the skin's surface, to acknowledge their existence and position through ...
Marek Kukucka, Zuzana Krajcuskova
doaj   +1 more source

Changes in body composition in relation to estimated glomerular filtration rate and physical activity in predialysis chronic kidney disease

open access: yesChronic Diseases and Translational Medicine, 2022
Background Early body composition changes, associated with physical inactivity and disease advancement are devastating for patient‐related outcomes in predialysis chronic kidney disease (CKD), thus warranting a detailed analysis of body composition ...
Prathiksha R. Bhat   +2 more
doaj   +1 more source

Thermal correction to the Casimir force, radiative heat transfer, and an experiment

open access: yes, 2007
The low-temperature asymptotic expressions for the Casimir interaction between two real metals described by Leontovich surface impedance are obtained in the framework of thermal quantum field theory.
A. Lambrecht   +90 more
core   +1 more source

Potential therapeutic targeting of BKCa channels in glioblastoma treatment

open access: yesMolecular Oncology, EarlyView.
This review summarizes current insights into the role of BKCa and mitoBKCa channels in glioblastoma biology, their potential classification as oncochannels, and the emerging pharmacological strategies targeting these channels, emphasizing the translational challenges in developing BKCa‐directed therapies for glioblastoma treatment.
Kamila Maliszewska‐Olejniczak   +4 more
wiley   +1 more source

FORMATION OF CIRCULARLY POLARIZED WAVE BY THE OBLIQUE IMPEDANCE WIRE DIPOLE LOCATED OVER THE RECTANGULAR SCREEN

open access: yesRadio Physics and Radio Astronomy, 2016
Purpose: The conditions for formation of a wave with circular polarization and extremely achievable field density amplitude in the set directions of the main observation planes in the far zone, radiated by the oblique impedance wire dipole located over ...
N. P. Yeliseyeva   +3 more
doaj   +1 more source

High-frequency electric modulus, impedance and conductance studies of gadolinium/niobium substituted barium titanate-lithium ferrite solids

open access: yesHybrid Advances, 2023
Using conventional solid-state techniques, BaTiO3- Li0.5Fe2.5O4composites doped with Gd/Nb are prepared. Investigations are made on the electric and micro-structural characteristics of composites at high frequencies.
Ganapathi Rao Gajula   +2 more
doaj   +1 more source

Impedance operator description of a meta--surface with electric and magnetic dipoles

open access: yes, 2015
A meta-surface made of a collection of nano-resonators characterized an electric dipole and a magnetic dipole was studied in the regime where the wavelength is large with respect to the size of the resonators.
Felbacq, Didier
core   +3 more sources

NKCC1: A key regulator of glioblastoma progression

open access: yesMolecular Oncology, EarlyView.
Glioblastoma (GBM) progression is driven by disrupted chloride cotransporter homeostasis. NKCC1 is highly expressed in stem‐like, astrocytic, and progenitor cells, correlating with earlier recurrence, while overall survival remains unaffected. NKCC1 serves as a prognostic marker and potential therapeutic target, linking chloride transporter imbalance ...
Anja Thomsen   +5 more
wiley   +1 more source

Electrical Impedance Tomography [PDF]

open access: yes, 2004
INTRODUCTION PART 1 ALGORITHMS The Reconstruction Problem PART 2 HARDWARE EIT Instrumentation PART 3 APPLICATIONS Imaging of the Thorax by EIT EIT of Brain Function Breast Cancer Screening with EIT Applications of EIT in the Gastrointestinal Tract (GIT) Other Clinical Applications of EIT PART 4 NEW DIRECTIONS Magnetic Induction Tomography Magnetic ...
openaire   +2 more sources

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