Results 11 to 20 of about 706,746 (353)

Response analysis of long-period seismic action in far field to long-span continuous beam bridge with isolated high piers [PDF]

open access: yesE3S Web of Conferences, 2021
In order to study the influence of far-field long-period seismic waves on high-pier and long-span continuous beam bridge, taking a high-pier and long-span continuous beam bridge with span arrangement of (95+170+95) m as an example, a numerical analysis ...
Yanan Wang   +4 more
doaj   +1 more source

Polarization Squeezing of Continuous Variable Stokes Parameters [PDF]

open access: yes, 2001
We report the first direct experimental characterization of continuous variable quantum Stokes parameters. We generate a continuous wave light beam with more than 3 dB of simultaneous squeezing in three of the four Stokes parameters.
A. Aspect   +13 more
core   +2 more sources

Stability and Resistance of Steel Continuous Beams with Thin-Walled Box Sections

open access: yesArchives of Civil Engineering, 2018
The issues of local stability and ultimate resistance of a continuous beam with thin-walled box section (Class 4) were reduced to the analysis of the local buckling of bilaterally elastically restrained internal plate of the compression flange at ...
Brzezińska K., Szychowski A.
doaj   +1 more source

Stochastic analysis of lattice, nonlocal continuous beams in vibration

open access: yesVietnam Journal of Mechanics, 2021
In this paper, we study the stochastic behavior of some lattice beams, called Hencky bar-chain model and their non-local continuous beam approximations.
Yuchen Li   +2 more
doaj   +1 more source

Production of highly-polarized positrons using polarized electrons at MeV energies [PDF]

open access: yes, 2016
The Polarized Electrons for Polarized Positrons experiment at the injector of the Continuous Electron Beam Accelerator Facility has demonstrated for the first time the efficient transfer of polarization from electrons to positrons produced by the ...
A. Adeyemi   +65 more
core   +5 more sources

Analytical formulas for prismatic continuous beams of equal spans

open access: yes工程科学学报, 2023
Solving the deformation and internal force of a prismatic multispan continuous beam of equal spans is a fundamental and classic problem in the area of civil engineering.
Yi ZHOU   +3 more
doaj   +1 more source

Parametric Study of Continous Composite Steel-Concrete Beam with External Prestressing [PDF]

open access: yesEngineering and Technology Journal, 2015
In the present study, three-dimensional nonlinear finite element analyses were conducted to investigate the effect of several important parameters on the behavior of the external prestressed continuous composite steel-concrete beam.
Amer M. Ibrahim, Wissam D. Salman
doaj   +1 more source

High quality ultrafast transmission electron microscopy using resonant microwave cavities [PDF]

open access: yes, 2018
Ultrashort, low-emittance electron pulses can be created at a high repetition rate by using a TM$_{110}$ deflection cavity to sweep a continuous beam across an aperture.
Kieft, E. R.   +4 more
core   +2 more sources

Moment constraints in beams with discrete and continuous rotational symmetry

open access: yesPhysical Review Accelerators and Beams, 2022
This study presents a general analysis of how the transverse rotational symmetry of a beam imposes equality constraints among transverse beam moments. Efficient analytic methods are developed to derive symmetry-imposed constraints among kth order moments
Jonathan C. Wong, Steven M. Lund
doaj   +1 more source

2-kW Average Power CW Phase-Conjugate Solid-State Laser [PDF]

open access: yes, 2007
We have demonstrated stable operation of a 2-kW Yb:YAG phase-conjugate master oscillator power amplifier (PC-MOPA) laser system with a loop phase-conjugate mirror (LPCM). This is the first demonstration of a continuous wave (CW)-input LPCM MOPA operating
Baltimore, Robert S.   +8 more
core   +1 more source

Home - About - Disclaimer - Privacy