Results 21 to 30 of about 24,831,400 (287)

COVID-19 Pathophysiology Predicts That Ischemic Stroke Occurrence Is an Expectation, Not an Exception—A Systematic Review

open access: yesFrontiers in Neurology, 2021
Clinical reports of neurological manifestations associated with severe coronavirus disease 2019 (COVID-19), such as acute ischemic stroke (AIS), encephalopathy, seizures, headaches, acute necrotizing encephalitis, cerebral microbleeds, posterior ...
Tissa Wijeratne   +9 more
doaj   +1 more source

Three-Level Model Predictive Torque Control of Permanent Magnet Synchronous Machine with Switching Frequency Optimization

open access: yesNantong Daxue xuebao. Ziran kexue ban, 2021
In order to reduce the switching frequency involved in the traditional three-level model predictive control utilized for permanent magnet synchronous motors(PMSMs), a model predictive torque control scheme associated with the switching frequency ...
YU Feng; ZHU Chenguang; WU Xiaoxin
doaj   +1 more source

Pre-charge control strategy for marine 690 Vac Buck/Boost bidirectional converter based on three-level flying capacitor

open access: yesZhongguo Jianchuan Yanjiu, 2023
ObjectivesFor a marine 690 Vac bidirectional converter based on a three-level flying capacitor, in order to make it start stably and transition to its normal working state, the flying capacitor must be pre-charged.
Weibo LI   +3 more
doaj   +1 more source

A three-stage ATM switch with cell-level path allocation [PDF]

open access: yes, 1997
A method is described for performing routing in three-stage asynchronous transfer mode (ATM) switches which feature multiple channels between the switch modules in adjacent stages.
Collier, Martin
core   +2 more sources

Analytical Modeling of Neutral Point Current in T-type Three-level PWM Converter

open access: yesEnergies, 2020
Since a T-type three-level PWM converter has several intrinsic advantages, it has been researched for various applications such as grid-connected converter systems.
Kui-Jun Lee
doaj   +1 more source

Sea level rise: three visions of a future summer holiday at the coast [PDF]

open access: yes, 2020
The article imagines three futures for seaside holidays under rising seas: defend with hard engineering, adapt with nature-based and design changes, or retreat to new inland or reconfigured coastal sites.
Jarratt, David
core   +4 more sources

Three-level-PN-cell-for-multilevel-converters

open access: yes, 2019
Simulation files for a three-level PN converter cell including average model, model validation and various example applications.
Stig Munk-Nielsen (6931493)   +1 more
core   +1 more source

Three-level Spaser System: a Semi-Classical Analysis

open access: yes, 2021
We theoretically study a nanospaser system, which consists of a spherical silver nanoparticle embedded inside a sphere composed of dye molecules. The gain of the system, dye molecules, are described by a three-level model, where the transition frequency ...
Rupesh Ghimire (10203723)   +5 more
core   +1 more source

Three Levels of Experience

open access: yes, 2022
Peer ...
Katajala-Peltomaa, Sari, Toivo, Raisa
openaire   +3 more sources

Acupuncture in the treatment of chemotherapy-induced peripheral neuropathy: a meta-analysis and data mining

open access: yesFrontiers in Neurology
BackgroundThe efficacy and acupoint selection of acupuncture in treating chemotherapy-induced peripheral neuropathy (CIPN) remain controversial. This study aims to explore the specific efficacy and acupoint selection of acupuncture in treating CIPN ...
Limeng Li   +15 more
doaj   +1 more source

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