606 Result(s)
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English
Hye** Park
Article
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Article
The Private Security Industry in South Korea: A Familiar Tale of Growth, Gaps and the Need for Better Regulation
The growing literature on the growth, structure and regulation of private security has tended to focus upon the Australia, North America and Western Europe with relatively little published on other countries. ...
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Medulloblastoma: histopathologic and molecular markers of anaplasia and biologic behavior
Large cell/anaplastic (LC/A) medulloblastoma (MB) is a recently recognized variant of medulloblastoma known to be associated with an advanced stage and a poor prognosis. Although Eberhart et al. suggested hist...
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Transversal harmonic transformations for Riemannian foliations
The main purpose of the present paper is to study geometric properties of transversal (infinitesimal) harmonic transformations for Riemannian foliations. For the point foliation these notions are discussed in ...
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Phonological Assimilation and Visual Word Recognition
Are the visual word-processing tasks of naming and lexical decision sensitive to systematic phonological properties that may or may not be specified in the spelling? Two experiments with Hangul, the alphabetic...
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Open AccessKinetic and affinity analyses of hybridization reactions between peptide nucleic acid probes and DNA targets using surface plasmon field-enhanced fluorescence spectroscopy
Peptide nucleic acid (PNA), a polyamide DNA mimic, has inspired the development of a variety of hybridization-based methods for the detection, quantification, purification, and characterization of nucleic acid...
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Open AccessExistence and Asymptotic Stability of Solutions for Hyperbolic Differential Inclusions with a Source Term
We study the existence of global weak solutions for a hyperbolic differential inclusion with a source term, and then investigate the asymptotic stability of the solutions by using Nakao lemma.
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Variation of LiNiO2 cathode properties with substitution of Ga, In and Tl by the combustion method
LiNi1-y MyO2 (M = Ga, In and Tl, y = 0.010, 0.025 and 0.050) with small y were synthesized by the combustion method by calcining in an O2 stream at 750 °C for 36 h. XRD analyses, SEM observation a...
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Open AccessEffect of ionic strength on PNA-DNA hybridization on surfaces and in solution
Peptide nucleic acids (PNAs) are mimics of oligonucleotides containing a neutral peptidelike backbone and are able to bind complementary DNA targets with high affinity and selectivity. In order to investigate ...
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Biomass accumulations and the distribution of nitrogen and phosphorus within threeQuercus acutissima stands in central Korea
Above- and belowground biomass and nitrogen (N) and phosphorus (P) distribution within threeQuercus acutissima stands were investigated in central Korea. The average age (year) and diameter at breast height (DBH,...
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Investigation of molecular factors associated with malignant transformation of oligodendroglioma by proteomic study of a single case of rapid tumor progression
Frozen tumor tissues from a patient who showed rapid progression to anaplastic oligodendroglioma after near total resection of oligodendroglioma were used to examine differential expression of proteins to gain...
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Multihollow structured poly(methyl methacrylate)/silver nanocomposite microspheres prepared by suspension polymerization in the presence of dual dispersion agents
Poly(methyl methacrylate) (PMMA)/silver nanocomposite microspheres with unique multihollow structures were prepared by suspension polymerization in the presence of dual dispersion agents. The addition of a lip...
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Ellipse-based leg-trajectory generation for gallo** quadruped robots
Controlling the motions of the front and rear legs and regulating the compliance of the legs are important for stable gallop. In this paper, a new method called ellipse-based trajectory generation method (ETGM...
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Boundary Stabilization of Hyperbolic Hemivariational Inequalities
In this paper, we prove the existence of weak solutions and investigate uniform decay rates of global weak solutions for a hyperbolic hemivariational inequalitiy of dynamic elasticity.
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Array-based comparative genomic hybridization and immunohistochemical studies in gliomatosis cerebri
Gliomatosis cerebri (GC) are extensively infiltrative glial tumors classified as astrocytic tumors in the current World Health Organization (WHO) classification scheme. In investigating the tumorigenesis of GC...
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Trajectory optimization with GA and control for quadruped robots
This paper proposes an optimal gallo** trajectory, which costs low energy and guarantees the stability of the quadruped robot. In the realization of fast gallo**, the trajectory design is important. For a ...
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Asymmetric trajectory generation and impedance control for running of biped robots
An online asymmetric trajectory generation method for biped robots is proposed to maintain dynamical postural stability and increase energy autonomy, based on the running stability criterion defined in phases....
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Open AccessRegularity of Parabolic Hemivariational Inequalities with Boundary Conditions
We prove the regularity for solutions of parabolic hemivariational inequalities of dynamic elasticity in the strong sense and investigate the continuity of the solution map** from initial data and forcing te...
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Singularity and Slow Convergence of the EM algorithm for Gaussian Mixtures
Singularities in the parameter spaces of hierarchical learning machines are known to be a main cause of slow convergence of gradient descent learning. The EM algorithm, which is another learning algorithm givi...
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Enhanced photocatalytic oxidation properties in Pt-TiO2 thin films by grounding
The rates of formaldehyde and toluene photocatalytic oxidation with different initial concentrations over a Pt-TiO2 film were analyzed at both the grounded and non-grounded states. The photocatalytic oxidation ra...
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Different effects of PM10 exposure on preterm birth by gestational period estimated from time-dependent survival analyses
We conducted this study to determine if the preterm risks due to PM10 exposure vary with the exposure periods during pregnancy. This study was also conducted to estimate the different effects of PM10 exposure on ...
