Results 31 to 40 of about 12,197 (302)

Two successive bidirectional leaders propagated in triggered lightning channel

open access: yesScientific Reports, 2022
A stepped leader propagated along the previous return-stroke channel in triggered lightning. After the stepped leader decayed, the first bidirectional leader went through the process of initiation, propagation and dissipation.
Junlin Wang   +6 more
doaj   +1 more source

Stepped spillways with aerators: hydrodynamic pressures and air entrainment

open access: yesRBRH, 2021
The possibility of damage due to the phenomenon of cavitation leads the design of stepped spillways considering maximum specific discharges of 15 to 30 m2/s, a limit considerably lower than that practiced on smooth chutes.
Rute Ferla   +5 more
doaj   +1 more source

Potassium channel opening: a subtle two‐step

open access: yesThe Journal of Physiology, 2009
Voltage‐gated K+ channels undergo a voltage‐dependent conductance change that plays a key role in modulating cellular excitability. While the Open state is captured in crystal structures of Kv1.2 and a chimeric Kv1.2/Kv2.1 channel, the Close state and the mechanism of this transition are still a subject of debate.
Sanjeev K, Upadhyay   +2 more
openaire   +3 more sources

Pool-fills: a window to palaeoflood history and response in bedrock-confined rivers [PDF]

open access: yes, 2004
Channel-scale sedimentary units associated with bedrock-controlled riffle-pool morphology are examined in detail along Sandy Creek gorge, an ephemeral stream in arid south-eastern central Australia.
Brierley, G.J., Jansen, J.D.
core   +1 more source

Induced aeration flow over stepped spillways: mean pressures, air entrainment and flow behavior

open access: yesRBRH, 2021
Stepped spillways can dissipate a great amount of energy during the flow passage over the chute, however these structures have limited operation due to the risk of cavitation damage.
Carolina K. Novakoski   +7 more
doaj   +1 more source

Utility of Certain AI Models in Climate-Induced Disasters

open access: yesWorld
To address the current challenge of climate change at the local and global levels, this article discusses a few important water resources engineering topics, such as estimating the energy dissipation of flowing waters over hilly areas through the ...
Ritusnata Mishra   +3 more
doaj   +1 more source

Digitalization in the Industries of Fuels and Motor Oils

open access: yesProceedings, 2023
With the advent of new digital communication channels, the conventional industry also stepped into direct communication with users and has the opportunity to advance by knowing and responding to the rapidly changing and evolving needs of the digital ...
Tatjana Cvetkov Čikošev
doaj   +1 more source

Gate Engineering in SOI LDMOS for Device Reliability

open access: yesMATEC Web of Conferences, 2016
A linearly graded doping drift region with step gate structure, used for improvement of reduced surface field (RESURF) SOI LDMOS transistor performance has been simulated with 0.35µm technology in this paper.
Aanand   +5 more
doaj   +1 more source

Design of New Eight-Channel Diplexer for Multiband Wireless Communication System

open access: yesIEEE Access, 2018
In this paper, we proposed a new eight-channel diplexer (1.575/2.4/3.5/5.2 and 1.8/2.6/4.2/5.7 GHz) with a simple source-load input/output structure containing four pairs of coupled asymmetric stepped-impedance resonators (SIRs) in a compact circuit size.
Yung-Wei Chen   +3 more
doaj   +1 more source

A Study of Stepped Hetero Channel MOSFET and Hetero Junction Tunnel Fets

open access: yes, 2023
In the current CMOS sub-nano scale regime, hetero channel MOSFETs are one of the capable candidates in high switching speed applications. Out of these group, III-V channel-based MOSFETs become very popular due to their high mobility and high saturation ...
Gayatri Mohanta
core   +1 more source

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