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1,304 Result(s)
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Article
Stress, intensity factors for corner cracks in rotating discs
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Chapter
Bar Coded Addressing Detective System for Auto-Storage in Cim/Fms
Bar code is an useful method of data import in an automated enviroment. On its recognition principle a bar-coded addressing detective system is developed for automated warehouse by authors. The system brings t...
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Chapter
A Choice of Practical Approaches to Overcome the Nonuniqueness Problem of the BEM in Acoustic Radiation and Scattering
In this paper, recent developments of the BEM in acoustics to overcome the nonuniqueness problem are briefly reviewed. These include two improved CHIEF methods and the Burton and Miller method using a hypersin...
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Article
Dimensional and angular measurements using least squares and neural networks
In this study a machine vision approach is developed for dimensional and angular measurements of manufactured components comprising straight line segments. We aim at the measurements of distance between two pa...
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Article
Determination of the full elastic-plastic stress field of a tensile crack by minimization of the complementary energy
In this paper, an energy method is proposed to study the full elastic-plastic field of a tensile crack. A statically admissible stress field is established by develo** an expansion of the stress function in ...
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Article
A Dugdale–Barenblatt Model for a Plane Stress Semi-Infinite Crack under Mixed Mode Concentrated Forces
In this paper, a mixed mode Dugdale–Barenblatt model has been established for a semi-infinite crack in an ideally elastic-plastic thin plate loaded by a pair of self-equilibrating concentrated forces at the cr...
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Article
On the vibration of imperfect circular disks
An analytical method is presented for vibration analysis of a rotating circular disk with distributed imperfections such as the nonuniform thickness, density. Young's modulus, Poisson's ratio and the odd distr...
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Article
Debonding of the interface as 'crack arrestor'
In this paper, we studied the interface debonding when a crack perpendicularly approaches an interface between two dissimilar elastic materials. An interface toughness law was first defined according to an adh...
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Article
Stress singularities near the tip of a two-dimensional notch formed from several elastic anisotropic materials
In this paper, we studied the stress singularities near the tip of a two-dimension notch, which could be a crack tip, formed from several elastic materials, each of them may be generally anisotropic. By introd...
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Article
Finite element implementation of thermal weight function method for calculating transient SIFs of a body subjected to thermal shock
The thermal weight function (TWF) is a universal function, which is dependent only on the crack configuration and body geometry, and is independent of temperature fields. The TWF method is especially suitable ...
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Article
On the Kinetics of Polymer Crystallization in Opposite-Nozzle Flow
The present work was encouraged by the successes obtained previously in this laboratory with short-term shearing experiments on slightly undercooled melts of i-PP: post-shearing lamellar growth on (inconspicu...
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Article
Modeling and Hierarchical Neuro-Fuzzy Control for Flexure-Based Micropositioning Systems
The micropositioning system using flexural bearing (e.g., for wafer steppers and coarse-fine positioning systems) is a system of infinite degrees of freedom. It is difficult to design a controller for the part...
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Article
“Drifting cups on a meandering stream” in China
“Drifting cups on a meandering stream” is a game originating from the ancient China. It takes advantage of the stopover of the cup at the different positions on a meandering stream to choose a person sitting o...
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Chapter
The Effects of Joint Clearance on the Motion Precision of the Machines
Joint clearance is one of important factors which affect motion precision of machines. In this paper the mathematical model of a new-type joint, tripod-ball sliding joint, is established, and the new concepts ...
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Article
Genomic structure analysis of SNC6, a progesterone-receptor associated protein gene, and cloning and characterization of its 5′-flanking region
Objective: To analyze the genomic structure of SNC6, a progesterone-receptor associated protein gene and its regulatory elements in its 5′-flanking region. Methods: Genomic sequence from GenBank data-base (acc...
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Article
Internet-Based Robotic System Using CORBA as Communication Architecture
In this paper, we propose the Internet-based robotic system that uses Common Object Request Broker Architecture (CORBA) to implement networking connections between a client and a remote robotic system. The cli...
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Article
Empirical research on the SMEs’ credit-guarantee in China
After the authors’ thorough study of the experiments of other countries and regions, it is posed that credit-guarantee is the key for solving the problem of the difficulties of SMEs’ financing. Based on two su...
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Article
August 12–15, 2002 International String Theory Conference at Zhejiang University in Hangzhou, China
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Article
Genetic linkage map ofBrassica campestris L. using AFLP and RAPD markers
A genetic linkage map comprised of 131 loci was constructed with an F2 population derived from an inter-subspecific cross betweenBrassica campestris L. ssp.chinensis cv. ‘aijiaohuang’ and ssp.rapifera cv. ‘qisiha...
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Article
Inducible nitric oxide synthase expression is related to angiogenesis, bcl-2 and cell proliferation in hepatocellular carcinoma
In this study, we examined the expression of inducible nitric oxide synthase (iNOS) and vascular endothelial growth factor (VEGF) by immunohistochemical staining in 76 tissue sections collected from hepatocell...