Results 71 to 80 of about 3,205,387 (153)

The effects of financial incentives on diabetes prevention program attendance and weight loss among low-income patients: the We Can Prevent Diabetes cluster-randomized controlled trial

open access: yesBMC Public Health, 2020
Background Penetration and participation of real life implementation of lifestyle change programs to prevent type 2 diabetes has been challenging. This is particularly so among low income individuals in the United States.
Jay R. Desai   +11 more
doaj   +1 more source

Computation of AC loss of HTS coils wound by coated conductors with different widths

open access: yesAIP Advances, 2022
The second-generation high-temperature superconductor (HTS) tape is a promising material for the HTS application. However, the extremely large aspect ratio of the HTS coated tape leads to high power dissipation in the environment of a time-varying ...
Liuyuan Yu, Huadong Yong
doaj   +1 more source

AC loss calculation in self-field of NI-HTS coil carrying different transport currents [PDF]

open access: yesJournal of Hebei University of Science and Technology
To solve the problems of the AC loss in self-field for no-insulation (NI) HTS coils carrying different currents, such as AC transport current, the current scanning inverse in order to decrease the screening current, and so on, by using the T ...
Mingfei ZHAO, Yingmin CUI, Qi LI
doaj   +1 more source

Experimental studies of influence of DC and AC electric fields on bridging in contaminated transformer oil

open access: yes, 2015
Analysis of real operating condition revealed that HVDC transformers experience combined effect of DC biased AC electric field. The dynamics of pressboard particle in contaminated transformer oil under the influence of DC, AC and DC biased AC electric ...
Mahmud, S.   +4 more
core   +1 more source

Analysis of the Effect of Coil Shape and Size on AC Copper Loss in Slotless PMSM

open access: yesIEEE Access
This paper investigates the mechanisms of alternating current (AC) copper losses in slotless permanent magnet synchronous motors (PMSMs) and analyzes the impacts of coil shapes and dimensions on AC copper losses and motor efficiency using finite element ...
Hyeonbin Hong   +4 more
doaj   +1 more source

Loss of adaptive capacity in asthmatic patients revealed by biomarker fluctuation dynamics after rhinovirus challenge

open access: yeseLife, 2019
Asthma is a dynamic disease, in which lung mechanical and inflammatory processes interact in a complex manner, often resulting in exaggerated physiological, in particular, inflammatory responses to exogenous triggers.
Anirban Sinha   +7 more
doaj   +1 more source

The Basics of AC Losses in Superconductors

open access: yesTEION KOGAKU (Journal of the Cryogenic Society of Japan), 2009
The basic topics for AC losses in superconductors are reviewed briefly. The AC losses are affected by various factors such as the variation in critical current density, strong nonlinearity of transport property and the complicated electromagnetic environment in superconducting apparatus.
openaire   +2 more sources

Investigation of AC loss of permanent magnet of SPM motor considering hysteresis and eddy-current losses [PDF]

open access: yes, 2005
NdFeB sintered magnets are widely used in rotating electrical machines. In order to develop an efficient rotating machine, it is important to estimate ac loss of the permanent magnet of rotor precisely.
Fukuma, A.   +7 more
core   +2 more sources

Hippocampal neuronal loss in AC-implanted mice.

open access: yes, 2014
Hematoxylin and eosin staining showed intact hippocampus of the BCAS-operated mouse (left panel) and hippocampal neuronal loss of the AC-implanted mouse (right panel) at 28 days post-operation.
Akihiro Kitamura (356907)   +3 more
core   +1 more source

MMC with parallel-connected MOSFETs as an alternative to wide bandgap converters for LVDC distribution networks

open access: yesThe Journal of Engineering, 2017
Low-voltage direct-current (LVDC) networks offer improved conductor utilisation on existing infrastructure and reduced conversion stages, which can lead to a simpler and more efficient distribution network. However, LVDC networks must continue to support
Yanni Zhong   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy