Results 11 to 20 of about 2,635,276 (276)

Analysis of the influence of long-distance DC cable on the fault of flexible HVDC system

open access: yes电力工程技术, 2023
In recent years, offshore wind power has developed rapidly. It is the most effective way to transmit the wind power far away from the coast through the voltage source converter based high voltage direct current (VSC-HVDC) transmission system.
JIANG Chongxue   +5 more
doaj   +1 more source

A timely switch fault ride-through method for VSC-HVDC system

open access: yes电力工程技术, 2022
In order to achieve the fault through of voltage source converter-based high voltage direct current (VSC-HVDC)system during alternating current (AC) system asymmetric faults and keep stability of the impedance at steadystate, a timely switch fault ...
WANG Ke   +5 more
doaj   +1 more source

The decay of cyclonic eddies by Rossby wave radiation [PDF]

open access: yes, 1998
It is argued that because shallow water cyclones on a β-plane drift westward at a speed equal to an available Rossby wave phase speed, they must radiate energy and cannot, therefore, be steady. The form of the Rossby wave wake accompanying a quasi-steady
McDonald, NR
core   +1 more source

Economic analysis of large-scale rooftop photovoltaics considering carbon trading market

open access: yes电力工程技术, 2023
Due to the large-scale development of rooftop photovoltaics and the continuous improvement of the national carbon trading market, the carbon credits generated by rooftop photovoltaics power generation can obtain additional income through carbon ...
ZHOU Peng   +5 more
doaj   +1 more source

Mycotoxin Occurrence in Maize Silage—A Neglected Risk for Bovine Gut Health?

open access: yesToxins, 2019
Forages are important components of dairy cattle rations but might harbor a plethora of mycotoxins. Ruminants are considered to be less susceptible to the adverse health effects of mycotoxins, mainly because the ruminal microflora degrades certain ...
Nicole Reisinger   +6 more
doaj   +1 more source

Transpedicular vertebral biopsy under O-arm navigation: a technical note

open access: yesEgyptian Journal of Neurosurgery, 2022
Background Despite emerging techniques, sample inadequacy remains the most important factor that necessitates need for repeat biopsy. Transpedicular Biopsy has diagnostic accuracy ranging from 75 to 90% in both computed tomography guided or percutaneous ...
Ajay Krishnan   +9 more
doaj   +1 more source

Comparing Post-Newtonian and Numerical-Relativity Precession Dynamics [PDF]

open access: yes, 2015
Binary black-hole systems are expected to be important sources of gravitational waves for upcoming gravitational-wave detectors. If the spins are not colinear with each other or with the orbital angular momentum, these systems exhibit complicated ...
Boyle, Michael   +5 more
core   +2 more sources

Vortices near barriers with multiple gaps [PDF]

open access: yes, 2005
Two models are presented for the motion of vortices near gaps in infinitely long barriers. The first model considers a line vortex for which the exact nonlinear trajectories satisfying the governing two-dimensional Euler equations are obtained ...
Johnson, ER, McDonald, NR
core   +1 more source

High sporulation and overexpression of virulence factors in biofilms and reduced susceptibility to vancomycin and linezolid in recurrent Clostridium [Clostridioides] difficile infection isolates [PDF]

open access: yes, 2019
Clostridium [Clostridioides] difficile infection (CDI) is one of the leading causes of diarrhea associated with medical care worldwide, and up to 60% of patients with CDI can develop a recurrent infection (R-CDI). A multi-species microbiota biofilm model
Baines, Simon   +9 more
core   +2 more sources

Ohtahara syndrome and IVF: A case report [PDF]

open access: yesActa Medica Iranica, 2000
Ohtahara syndrome or ealy infantile epileptic encephalopathy is a rare cause of epileptic seizures during infancy and represents the earliest type of age related symptomatic generalized epilepsies.
Ashrafi NR
doaj   +2 more sources

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