Sharif Digital Repository

An innovative three dimensional numerical model for bipolar plates to enhance the efficiency of PEM fuel cells

Author

Arbabi, F.

Publisher

American Society of Mechanical Engineers (ASME),

Pub. Year

2012

Subjects

Channel flow. / Humidity control. / Navier Stokes equations. / Numerical models. / Proton exchange membrane fuel cells (PEMFC) / Serpentine. / Sustainable development. / Three dimensional. / Velocity distribution. / Flow distribution. / Flow-field design. / Fuel cell performance. / Mass transport limitation. / Multi-component simulations. / Polarization curves. / Reactant distribution. / Three-dimensional numerical modeling. / Design.

SNR in wss jittered sampled signal

Author

Arbabi, E.

Pub. Year

2005

Subjects

Analog to digital converters. / Nyquist sampling rate. / Output signal. / Real signals. / Sampled values. / Sampling noise. / Sampling rates. / Sampling time. / Wide-sense stationaries. / Signal processing. / Signal to noise ratio. / Signal sampling.

Structure formation in a variable dark energy model and observational constraints

Author

Arbabi Bidgoli, S.

Pub. Year

2008

Subjects

Dark energy large scale. / Cold dark matter. / Dark energy model. / Structure growth index.

A parametrized variable dark energy model: Structure formation and observational constraints

Author

Arbabi Bidgoli, S.

Pub. Year

2006

Subjects

Observational constraints. / Structure formation. / Theory dark energy.

Design of a printed non-planar dual-polarised log-periodic dipole array

Author

Shirinabadi, H.

Pub. Year

2017

Subjects

Antennas. / Bandwidth. / Dipole antennas. / Directive antennas. / Electric lines. / Log periodic antennas. / Microstrip antennas. / Microwave antennas. / Printed circuit boards. / Cross-polarisation. / Front to back ratio. / Input impedance matching. / Log-periodic dipole array antennas. / Log-periodic dipole arrays. / Operational frequency. / Printed circuit board technology. / Ultrawide bandwidth. / Antenna arrays.

A physical optics based near-field analysis method for the design of dual polarized fan beam shaped reflector antennas

Author

Bagheri Korani, E.

Publisher

Elsevier GmbH

Pub. Year

2016

Subjects

Fan shaped beam. / Physical optics. / Reflection. / Doubly curved reflectors. / Dual polarized fan beam. / Dual-ridged horns. / Dyadic green's functions. / Pattern optimization. / Shaped beam. / Shaped reflector. / Shaped reflector antennas. / Antenna reflectors.

Cloud assisted IOT based social door to boost student-professor interaction

Author

Nazari Shirehjini, A. A.

Publisher

Springer Verlag,

Pub. Year

2016

Subjects

Cyber-physical door. / Student-professor interaction. / Abstracting. / Electronic mail. / Internet of things. / Students. / Ad-hoc meetings. / Cyber physicals. / Face-to-face meetings. / Handover. / Privacy concerns. / Teaching assistants. / Technological advances. / White board. / Education.

Findings of DTI-p maps in comparison with T 2 /T 2 -FLAIR to assess postoperative hyper-signal abnormal regions in patients with glioblastoma 08 Information and Computing Sciences 0801 Artificial Intelligence and Image Processing

Author

Beigi, M.

Publisher

BioMed Central Ltd,

Pub. Year

2018

Subjects

DTI. / Isotropic map. / Article. / Cancer localization. / Cancer patient. / Cancer radiotherapy. / Clinical article. / Clinical assessment. / Clinical evaluation. / Controlled study. / Dice score. / Human. / Human tissue. / Image processing. / Intermethod comparison. / Middle aged. / Postoperative period. / Scoring system. / T2 fluid attenuation inversion recovery imaging. / Treatment planning. / Tumor biopsy. / Tumor volume. / Validation process. / Brain mapping. / Brain tumor. / Comparative study. / Diagnostic imaging. / Nuclear magnetic resonance imaging. / Pathology. / Procedures. / Adult. / Aged. / Brain. / Brain Neoplasms. / Diffusion tensor imaging. / Female. / Glioblastoma. / Humans. / Magnetic Resonance Imaging. / Male. / Sensitivity and Specificity.