نتایج جستجو برای: u bending
تعداد نتایج: 193040 فیلتر نتایج به سال:
TFAM (transcription factor A, mitochondrial) is a DNA-binding protein that activates transcription at the two major promoters of mitochondrial DNA (mtDNA)--the light strand promoter (LSP) and the heavy strand promoter 1 (HSP1). Equally important, it coats and packages the mitochondrial genome. TFAM has been shown to impose a U-turn on LSP DNA; however, whether this distortion is relevant at oth...
This work presents some existence, non-existence and location results for the problem composed by the fourth-order fully nonlinear equation u(4) (x)+ f ( x, u (x) , u (x) , u (x) , u (x) ) = sp(x) for x ∈ [0, 1], where f : [0, 1] × R4 → R and p : [0, 1] → R are continuous functions and s is a real parameter, with the Lidstone boundary conditions u(0) = u(1) = u(0) = u(1) = 0. This problem model...
Symmetry-resolved x-ray absorption spectroscopy has been first carried out on high-temperature molecules. From the angle-resolved ion yield spectra of CO2 both at room temperature and at 430 degrees C, symmetry-resolved absorption profiles of the C 1s(-1) 2pi(u) and O 1s(-1) 2pi(u) resonances have been extracted for the vibrational ground state molecules and bending-vibration excited ones. The ...
This paper is concerned with the existence of positive solutions to fourth-order boundary value problem u(4)(x)=f(x,u(x),u″(x)) on interval [0, 1] condition u(0)=u(1)=u″(0)=u″(1)=0, which models a statically bending elastic beam whose two ends are simply supported. Without assuming that nonlinearity f(x, u, v) nonnegative, an result obtained under inequality conditions |(u, v)| small or large e...
In inclined U-notches, the mixed mode (I + II) loading occurs and the mode ratio can be increased by varying the notch angle. In this paper, the effect of the inclined U-notch geometry, i.e. the notch depth, the notch angle, the notch root radius, and the position of the notch with respect to supports, on the mode ratio (KII/KI) have been studied. Three-point bending and plane strain condition ...
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