Investigating the behavior of the box-shaped column panel zone has been one of the major concerns of scientists in the field.  In the American Institute of Steel Construction the shear capacity of I-shaped cross- sections with low column thickness is calculated. This paper determines the shear capacity of panel zone in steel columns with box-shaped cross-sections by using artificial neural netw...

This article proposes an approach to increase the efficiency of the U-shaped cross section antenna. The Optimization of a wideband U-shaped cross section antenna on a U-shaped ground plane is presented suitable for WLAN in various applications. The proposed antenna has been developed from a single element of U-shaped cross-sectional antenna. A single element is easy to be composed for installin...

  This study aimed to design a bycatch reduction device (BRD) for shrimp beam trawl, which is manufactured by flexible materials to reduce bycatch for the gear in the South Sea of Korea. The model test was carried out to understand the shape of the gear in the water and to measure the variation of flow speed due to the BRD in a circulating water channel. Catches were compared between a shrimp b...

Using a collection of high{resolution shipboard acoustic Doppler current pro ̄ler (ADCP) velocity sections which cross the Middle Atlantic Bight shelfbreak jet near 70±W, we describe the mean structure of the frontal jet, and examine the dominant modes of variability of the jet. A mean section is constructed in a translating coordinate frame whose origin tracks the instantaneous position of the ...

A compact cross, circular and square shaped slotted microstrip patch antennas are designed for circularly polarized (CP) radiation. Asymmetric, cross-shaped slot is embedded along one of the diagonal axes of the square patch for CP radiation and antenna size reduction. The designed antenna is contrived by using RT-Durid 5880 substrate . The design simulation and optimization is done by ADS soft...

Abstract In order to study the seismic behavior of bottom large-bay frame with different special-shaped columns, numerical models columns ordinary, dark and square at are established using finite element analysis in ANSYS. The three type Frame performed nonlinear time-history dynamic method under earthquakes. characteristics response RC conducted. weak parts development plastic hinges on end be...

We calculated the complete next-to-leading order(NLO) QCD corrections to the tt̄bb̄ production process at a γγ collider in the standard model(SM). The calculation of the one-loop QCD correction includes the evaluations of the hexagon and pentagon amplitudes. We studied the NLO QCD corrected total cross section, the distributions of transverse momenta of final topand bottom-quark states, and the d...

between the two-point function of the bottom vector current and the inclusive bottom quark cross section mediated by a virtual photon, which is valid up to a small correction from bb̄ radiation from light quarks. The left hand side can be computed in perturbation theory; the right hand side from data. The parameters of the lowest Υ(nS) resonances are well-measured, but the continuum cross sectio...