Results 11 to 20 of about 4,497 (155)

Magnetic ordering and its influence on X‐ray spectroscopies

open access: yesMajor Reference Works, Page 163-168., 2023
International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science.

Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the ...
Gerrit van der Laan   +3 more
wiley  

+1 more source

Transmission of integrin β7 transmembrane domain topology enables gut lymphoid tissue development. [PDF]

open access: yes, 2018
Integrin activation regulates adhesion, extracellular matrix assembly, and cell migration, thereby playing an indispensable role in development and in many pathological processes.
Fan, Zhichao   +5 more
core   +2 more sources

Influence of PWM on the proximity loss in permanent magnet brushless AC machines [PDF]

open access: yes, 2008
The winding copper loss can be significantly increased due to skin and proximity eddy current effects. The skin and proximity losses due to fundamental frequency current has been investigated in literature, but the influence of PWM on the skin and ...
Bremner, J.   +5 more
core   +1 more source

Signal Quality of a Wideband SDR Transceiver Under Varying Frequency Deviation

open access: yesTecnura
This study examines the quality of an audio signal received via a Software-Defined Radio (SDR) peripheral for Wideband Frequency Modulation (WBFM). The objective is to evaluate the impact of varying the maximum frequency deviations of the modulator ...
Hernán Paz Penagos
doaj   +1 more source

Design of Six Pulse Bridge Multiplication Converter Model for Current Harmonic Elimination of Three Phase AC-DC Converter [PDF]

open access: yesMehran University Research Journal of Engineering and Technology, 2014
The recent development of semiconductor technology and wide spread use of power electronic devices in power system have open the era of the power system harmonics due to increasing penetration of non-linear loads.
Mansoor Ahmed Soomro   +2 more
doaj  

OpenZmeter: An Efficient Low-Cost Energy Smart Meter and Power Quality Analyzer [PDF]

open access: yes, 2018
Power quality and energy consumption measurements support providers and energy users with solutions for acquiring and reporting information about the energy supply for residential, commercial, and industrial sectors.
Alcayde García, Alfredo   +6 more
core   +2 more sources

Analisis Harmonik dan Perbaikan Nilai THD Arus dengan Perancangan Filter Pasif Single-Tuned

open access: yesJurnal Elkomika
ABSTRAK Sistem elektrifikasi kereta rel listrik (KRL) Jogja-Solo mempunyai tegangan nominal 1.500 Volt DC yang disuplai dari PLN 20 kV AC melalui gardu traksi untuk mengonversinya dengan komponen silicon rectifier yang bersifat sebagai beban non-linier.
ANDIKA MUHAMMAD AKBAR   +1 more
doaj   +1 more source

A new control technique for active power filters using a combined genetic algorithm/conventional analysis [PDF]

open access: yes, 2002
In this paper, the computational problems associated with the optimization techniques used to evaluate the switching patterns for controlling variable-characteristics active power filters are presented and critically analyzed.
Darwish, MK, El-Habrouk, M
core   +1 more source

Total Observed Organic Carbon (TOOC): A synthesis of North American observations [PDF]

open access: yes, 2007
Measurements of organic carbon compounds in both the gas and particle phases measured upwind, over and downwind of North America are synthesized to examine the total observed organic carbon (TOOC) over this region.
Aiken, A. C.   +46 more
core   +7 more sources

Evaluation and improvement of power quality of distribution network: a case study of Covenant University, Ota

open access: yesFrontiers in Energy Efficiency
Power quality is a global concern, particularly as electronic devices are increasingly supporting modern economies. This research evaluates and proposes improvements for power quality of the distribution network at Covenant University, Ota, Nigeria ...
Isaac A. Samuel   +5 more
doaj   +1 more source

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