نتایج جستجو برای: youngs modulus

تعداد نتایج: 26235  

Aliasghar Mohammadi, Hamid Mirzadeh, Mansooreh-Sadat Seyedkarimi, Shadab Bagheri-Khoulenjani,

Background: Self-assembling peptides (SApeptides) have growing applications in tissue engineering and regenerative medicine. The application of SApeptide-based hydrogels depends strongly on their viscoelastic properties. Optimizing the properties is of importance in tuning the characteristics of the hydrogels for a variety of applications. Methods: In this study, we employed statistical modelin...

Static deformation modulus is recognized as one of the most important parameters governing the behavior of rock masses. Predictive models for the mechanical properties of rock masses have been used in rock engineering because direct measurement of the properties is difficult due to time and cost constraints. In this method the deformation modulus is estimated indirectly from classification syst...

2003
Shujun Chen Anthony G. Constantinides

This paper introduces a new receiver for joint blind equalization and carrier phase recovery. The new receiver overcomes several disadvantages available in literature in this area by accomplishing modulus equalization and phase recovery in two independent operations. The proposed structure enables alternative and independent approaches to be taken for the design of the modulus and phase equaliz...

Journal: :Science 2007
T Jaglinski D Kochmann D Stone R S Lakes

We show that composite materials can exhibit a viscoelastic modulus (Young's modulus) that is far greater than that of either constituent. The modulus, but not the strength, of the composite was observed to be substantially greater than that of diamond. These composites contain bariumtitanate inclusions, which undergo a volume-change phase transformation if they are not constrained. In the comp...

2003
P. L. BUTZER H. JOHNEN Ralph Phillips

Let f be a bounded function on the real line IF!. One may characterize the structural properties off by the modulus of smoothness w(t,f) = sup{lf (4 -f( y)l; x, y E 08, I x y I < t>, and, if w(t) is a continuous nondecreasing function of t > 0 such that w(O) = 0, by the Lipschitz class Lip(w) which is the set of all continuous functions such that su~~<~<i w(t, f)/o(t) < 00. It is possible to ex...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
a. hassanpour m. esmaiili a. modarres motlagh a. rahmani didar m. nasiri

in this study, to determine poisson’s ratio and modulus of elasticity of white seedless grapes during maturation, the fresh fruit samples were harvested from a vineyard at seven sequential weeks from 6th september to 18th october. in each run, six grape berries were randomly selected and the static loading test and digital photography were done together. considering true shape of the fruit and ...

2018
Chuang Feng Yu Wang Jie Yang

Effects of bi-axial stretching induced reorientation of graphene platelets (GPLs) on the Young's modulus of GPL/polymer composites is studied by Mori-Tanaka micromechanics model. The dispersion state of the GPLs in polymer matrix is captured by an orientation distribution function (ODF), in which two Euler angles are used to identify the orientation of the GPLs. Compared to uni-axial stretching...

Journal: :Journal of Asian Architecture and Building Engineering 2022

This study aims to quantify effects of hanging-wall/footwall fault parameters on dynamic responses base-isolated and base-fixed ancient timber buildings. Finite element models a real building with without isolation technology are first built verified by comparison existing studies. Fitting analysis three typical models, Abrahamson-Silva-Kamai, Campbell-Bozorgnia Chiou-Youngs as well 622 recorde...

2016
Elizabeth Lynn Forbes Stephen F Austin ELIZABETH LYNN

The wood mechanical properties of progeny from twelve open-pollinated parent trees were examined. Six families were from parents which had high wood specific gravity and six were from parents which had low wood specific gravity. Thirty-two-year-old trees, that had been planted at Many, Louisiana, were sampled and juvenile and mature wood test specimens were prepared. Maximum crushing strength, ...

Journal: :Michigan Mathematical Journal 1985

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