Results 251 to 260 of about 12,197 (302)

Efficacy and mechanisms underlying MRI-guided high-definition transcranial direct current stimulation for depression among university students: study protocol for a stepped wedge cluster randomized controlled trial. [PDF]

BMC Psychiatry
Chen Y, Liu R, Yan J, Luo P, Yang L, Wang Y, Ji G, Wang C, Zheng W, Wang F, Meng Y, Wei Y.   +11 more
europepmc   +1 more source

A Quad-Channel Diplexer Using Stub-Loaded Step Impedance Resonators. [PDF]

Micromachines (Basel)
Liu L, Lin Z, Chen Q, Zhang L, Weng M, Yang R.   +5 more
europepmc   +1 more source

Stormwater overflow in stepped channel

Journal of Hydro-Environment Research, 2008
Abstract Sharp bends in drainage channels are sometimes engineered to suit local topography, especially in densely populated cities where land is limited. A hydraulic model study of a steep urban drainage channel is carried out to investigate the causes of an overflow incident in Hong Kong urban area, and to develop the drainage improvement measures ...
Joseph H W Lee
exaly   +6 more sources

Fully Developed Laminar Flow in a Stepped Rectangular Channel

Journal of Applied Mechanics, 1966
The problem considered is that of fully developed, laminar incompressible flow in a stepped rectangular channel. An analytical solution is obtained for the velocity profile by using the variational method. Velocity profiles are computed for a specific case by truncating the series expressions and evaluating the coefficients numerically (Rayleigh-Ritz ...
Djojodihardjo, R. H., Thorpe, J. F.
openaire   +2 more sources

Utilisation of Stepped Channels and Study of Stepped Channel Flows in Australia [PDF]

, 1998
Stepped channels and spillways are used since more than 3,000 years. Recently, new construction materials (e.g. RCC, gabions) have increased the interest for stepped chutes. The steps increase significantly the rate of energy dissipation taking place along the chute and reduce the size of the required downstream energy dissipation basin.
Chanson, Hubert
openaire   +2 more sources

Review of Studies on Stepped Channel Flows [PDF]

, 1998
Stepped channels and spillways are used since more than 3,000 years. Recently, new construction materials (e.g. RCC, gabions) have increased the interest for stepped chutes. The steps increase significantly the rate of energy dissipation taking place along the chute and reduce the size of the required downstream energy dissipation basin.
Chanson, Hubert
openaire   +2 more sources

Numerical Simulation of Skimming Flow over Mild Stepped Channel

Journal of Hydrodynamics, 2006
Numerical simulation of stepped channel flow was conducted using turbulence models based on the VOF technique. Stepped channel flow is a complicated air-water two-phase flow with free surface, which can be divided into three flow regimes: skimming flow ...
Zhi-Yong Dong, Joseph Hun-Wei Lee, Dong Zhi-Yong   +2 more
exaly   +2 more sources

A Step-by-Step Approach to Bandpass/Channel Filter Design [PDF]

International Journal of Electronics, Communications, and Measurement Engineering, 2021
This paper presents a step-by-step approach to the design of bandpass/channel filters. The chapter serves as a reference source to microwave stakeholders with little or no filter design experience. It should help them design and implement their first filter device using the microstrip technology.
openaire   +1 more source

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Channel Power Excursions From Single-Step Channel Provisioning

Journal of Optical Communications and Networking, 2012
Steady-state power excursions arising from channel-addition wavelength-switching events are measured as a function of spectral configuration and amplifier settings in an erbium-doped-fiber-amplifier- (EDFA-) based reconfigurable optical add-drop multiplexer network, and they exhibit a maximum excursion of 4.5 dB after four spans of 40 km standard ...
Joseph Junio, Daniel C. Kilper, Vincent W. S. Chan   +2 more
openaire   +1 more source