نتایج جستجو برای: المان bond link
تعداد نتایج: 264199 فیلتر نتایج به سال:
چکیده: دراین مقاله سه مدل چسبندگی-لغزش(Farra,Harajli,CEB-FIP) که برمبنای نتایج مطالعات تجربی قبلی بدست آمدهاند، مطالعه میشوند تا اثر چسبندگی-لغزش در فاصلهی ترک و نحوهی انتشار ترک صفحهی بتنآرمه بررسی شود. برای این منظور، یک صفحهی بتنآرمه با استفاده از مدل عددی شبکهای توسط نرمافزار ABAQUS مدل سازی شده است و روند ترک خوردگی توسط خرابی عضوهای میلهای بتن نشان داده شده است. مدلهای شب...
This paper examines the impact of globalization on income inequality in a panel of 78 developed and developing countries over 2002–2015. Moreover, the indirect effect of financial development in the link between globalization and income inequality is also analyzed by incorporating the interaction term between globalization and financial development. The empirical evidence based on the first-dif...
OBJECTIVES Hydrogen peroxide (H2O2) surface treatment of fiber posts has been reported to increase bond strength of fiber posts to resin cements. However, residual oxygen radicals might jeopardize the bonding procedure. This study examined the effect of three antioxidant agents on the bond strength of fiber posts to conventional and self-adhesive resin cements. MATERIALS AND METHODS Post spac...
Bond Graph Modeling and Computational Control Analysis of a Rigid-Flexible Space Robot in Work Space
The combination of a rigid and a flexible link in a space robot is an interesting field of study from modeling and control point of view. This paper presents the bond graph modeling and overwhelming trajectory control of a rigid-flexible space robot in its work space using the Jacobian based controller. The flexible link is modeled as Euler Bernoulli beam. Bond graph modeling is used to model t...
The pace of innovation in Cyber-Physical Systems (CPSs) drives the need for multi-disciplinary methods and tools to support rapid and accurate assessment of design alternatives. In this chapter, the authors describe collaborative models (co-models) that link Discrete-Event (DE) models of control software with Continuous-Time (CT) models of controlled plant. They present methods and tools for co...
Site-specific isopeptide linkages between the ε-amino group of a lysine residue in one protein and a carboxyl group in another are central to ubiquitin-mediated protein degradation and other cellular processes. These linkages are inaccessible with common recombinant DNA techniques. Here, we describe a method to link two proteins by an authentic isopeptide bond. The method unites three technique...
In the title compound, C12H8Cl2N2O4S, the N-C bond in the C-SO2-NH-C segment has gauche torsions with respect to the S=O bonds. Further, the N-H bond is syn to the ortho-nitro group in the sulfonyl benzene ring and also syn to both the ortho- and meta-Cl atoms in the aniline ring. The mol-ecule is twisted at the S-N bond with a torsion angle of 61.15 (18)°. The dihedral angle between the planes...
MP2/aug-cc-pVTZ calculations were performed for complexes of BrF₃ and BrF₅ acting as Lewis acids through the bromine centre, with species playing a role of Lewis base: dihydrogen, acetylene, ethylene, and benzene. The molecular hydrogen donates electrons by its σ-bond, while in remaining moieties-in complexes of hydrocarbons; such an electron transfer follows from π-electrons. The complexes are...
For improving the reliability and efficiency of the dynamic modelling and simulation of planar linkage with revolute joint clearances, the corresponding vector bond graph procedure is proposed. Based on the kinematic relations, the vector bond graph model of a rigid body undergoing planar motion is built. Besides this, the vector bond graph model of revolute joint clearance is made based on con...
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