Results 11 to 20 of about 13,038,684 (247)

The influence of frequency of AC component on space charge behaviours in polyethylene under combined AC and DC electric fields [PDF]

open access: yes, 2014
Combined ac and dc voltages may occur in high voltage power transmission system, which bring challenges to the dielectric materials. Generally speaking, space charge is well recognised under high voltage dc conditions but has received little attention ...
C. Zhou   +3 more
core   +2 more sources

Contribution to the Management of Traffic in Networks

open access: yesAdvances in Electrical and Electronic Engineering, 2014
The paper deals with Admission control methods (AC) in IMS networks (IP multimedia subsystem) as one of the elements that help ensure QoS (Quality of service).
Filip Chamraz, Ivan Baronak
doaj   +1 more source

Methods for evaluation of coating performance based on AC impedance technique

open access: yesZhongguo Jianchuan Yanjiu, 2020
[Objectives] Coating on the surface of ships is a common method of ship anti-corrosion. The corrosion resistance of the coating directly reflects the corrosion degree of the ship's surface.
XU Zhixiong   +5 more
doaj   +1 more source

Inspection and evaluation of AC protection facilities for solid state decouplers

open access: yesYou-qi chuyun, 2021
With the rapid development of national infrastructures, public corridors such as electricity, traffic and energy are increasing day by day, and the AC interference corrosion of buried pipelines has attracted much more attention.The solid state decoupler ...
Guang-ji SHEN   +3 more
doaj   +1 more source

Assessing taxpayers’ satisfaction with tax administration e-services [PDF]

open access: yesZbornik radova Ekonomskog fakulteta u Rijeci : časopis za ekonomsku teoriju i praksu
As tax administrations worldwide modernize through digital technologies, it has become increasingly important to understand taxpayers’ satisfaction with these services.
Lidija Hauptman   +2 more
doaj   +1 more source

CARRIER SIGNAL INJECTION BASED SENSORLESS CONTROL OF PERMANENT MAGNET BRUSHLESS AC MACHINES [PDF]

open access: yes, 2012
This thesis is focused on the carrier signal injection based sensorless control of Permanent Magnet (PM) Brushless AC (BLAC) machines. Based on the machine saliency property, carrier signal injection based sensorless techniques have been well developed ...
Gong, Liming
core   +6 more sources

A review of sensorless control methods for AC motor drives

open access: yesCES Transactions on Electrical Machines and Systems, 2018
In recent years, the application of sensorless AC motor drives is expanding in areas ranging from industrial applications to household electrical appliances.
Dianguo Xu   +4 more
doaj   +1 more source

Multimodel Inference for the Prediction of Disease Symptoms and Yield Loss of Potato in a Two-Year Crop Rotation Experiment

open access: yesInternational Journal of Agronomy, 2012
The second order Akaike information criterion was used for the assessment of 139 regression models for three responses of potato test crops: (a) incidence of Spongospora subterranea on the harvested tubers, (b) percentage of haulms infected with ...
Wim Van den Berg, Jan Vos, Johan Grasman
doaj   +1 more source

Design and fabrication of an ac-electro-osmosis micropump with 3D high-aspect-ratio electrodes using only SU-8 [PDF]

open access: yes, 2011
Lab-on-a-chip devices require integrated pumping and fluid control in microchannels. A recently developed mechanism that can produce fluid flow is an integrated ac-electro-osmosis micropump.
Madou, Marc J   +11 more
core   +1 more source

Introdução e avaliação de cultivares e porta-enxertos de citros em Rio Branco-AC. [PDF]

open access: yes, 1992
O presente estudo tem como objetivo avaliar o desempenho de 17 cultivares e 4 porta-enxertos de citros, nas condições edafoclimáticas de Rio Branco ...
AZEVEDO, F. F. de   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy