Microstructural study

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  • Virtual Pervious Concrete: Microstructure, Percolation, and Permeability presents various virtual pervious concrete microstructural percolation characteristics and computed transport properties to those of real world pervious concretes. Of the various virtual pervious concretes explored in th is study, one based on a correlation filter three dimensional reconstruction algorithm clearly provides a void structure closest to that achieved in real pervious concrete.

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  • Once an obscure subfield of finance, Market Microstructure has emerged as a major stream of finance. In its narrowest sense, microstructure might be defined as the study of the level and the source of transactions costs associated with trading. It examines the organizational structure of exchanges and how the specific market structure enhances the efficiency, transparency and information dissemination of security trading.

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  • Tungsten Carbide - Processing and Applications, provides fundamental and practical information of tungsten carbide from powder processing to machining technologies for industry to explore more potential applications. Tungsten carbide has attracted great interest to both engineers and academics for the sake of its excellent properties such as hard and wear-resistance, high melting point and chemically inert. It has been applied in numerous important industries including aerospace, oil and gas, automotive, semiconductor and marine as mining and cutting tools, mould and die, wear parts, etc.

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  • VNU. JOURNAL OF SCIENCE, Mathematics - Physics, T.xXI, n02, 2005 Nguyen Thi Minh Hanga,b, Chien-Hung Hoc, Vu Ngoc Hungb, Nguyen Phu Thuyb,d a d Center for Micro Electronic and Information Technology (IMET) International Training Institute for Materials Science (ITIMS) c Precision Instrument Development Center (PIDC) College of Technology, Vietnam National University, Hanoi (VNU) b Abstract. Thanks to almost transparent property of SU8 for wavelength of 365400nm, UV-LIGA technology using this photoresist has been applied to fabricate high-aspect-ratio (HAR) microstructures.

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  • Diseases of the neuromuscular junction (NMJ) include a large spectrum of acquired and inherited disorders mainly characterized by fluctuating muscle weakness and fatigability of ocular, bulbar or limb muscles. Remarkable progress has been made in our understanding of the pathogenesis of these disorders in recent years.

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  • Polymer micromolding is a common way to ma microchannels, because of the ease of processing, low co and bio-compatibility. Molds with micron-scale featur may be made from photosensitive polymers (e.g., SU-8) by DRIE silicon micromachining. Poly(dimethylsiloxan (PDMS) is often chosen as the microstructural materi [15]. PDMS is spin cast onto the mold, cured and peel off. A short exposure in an oxygen plasma activates t PDMS surface and results in instant bonding to oth PDMS or glass surfaces.

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  • Congenital heart disease in newborns is associated with global impairment in development. We characterized brain metabolism and microstructure, as measures of brain maturation, in newborns with congenital heart disease before they underwent heart surgery. Methods We studied 41 term newborns with congenital heart disease — 29 who had transposition of the great arteries and 12 who had single-ventricle physiology — with the use of magnetic resonance imaging (MRI), magnetic resonance spectroscopy (MRS), and diffusion tensor imaging (DTI) before cardiac surgery....

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