نتایج جستجو برای: circular bend test
تعداد نتایج: 882083 فیلتر نتایج به سال:
We demonstrate both theoretically and experimentally nonparaxial Mathieu and Weber accelerating beams, generalizing the concept of previously found accelerating beams. We show that such beams bend into large angles along circular, elliptical, or parabolic trajectories but still retain nondiffracting and self-healing capabilities. The circular nonparaxial accelerating beams can be considered as ...
Phage T7 RNA polymerase is the only DNA-dependent RNA polymerase for which we have a high-resolution structure of the promoter-bound complex. Recent studies with the more complex RNA polymerases have suggested a role for DNA wrapping in the initiation of transcription. Here, circular permutation gel retardation assays provide evidence that the polymerase does indeed bend its promoter DNA. A com...
This chapter discusses an ab-initio frequency-domain model of circular microresonators, built on the physical notions that commonly enter the description of the resonator functioning in terms of interaction between fields in the circular cavity with the modes supported by the straight bus waveguides. Quantitative evaluation of this abstract model requires propagation constants associated with t...
Laminar fluid-particle flows in bend geometries are present many industrial, pharmaceutical, and biomedical applications. Particle deposition has been studied extensively; however, little attention paid to the effect of particle sedimentation on position different pipe geometry combinations. This study presented a comprehensive analysis effects flow behaviour 90{\deg} circular bends micron part...
Numerical investigation of stress intensity factor for semi-circular bend specimen with chevron notc
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