Materials Literature
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In the contact patch of the tire of a vehicle, moving in a straight line with acceleration or braking, there are sections of both static and slip friction. These sections, together with vertical forces, cause the effort, transferred in the contact patch in longitudinal direction. The direction of this effort coincides…
0 oxidation ability in simulated flue gas from 100 to 260°C. Scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier-transform infrared (FTIR) spectroscopy were employed to characterize the catalysts. The results showed that Fe2O3-ATP exhibited about 90% average Hg 0
This study was carried out to show the influence of garlic volatile on the reproductive ability of Bombyx mori Linn. Variation in the exposure duration with volatile significantly (P <0.05) influenced the 1 reproductive ability of B. mori in terms of fecundity and hatchability per cent of eggs. In the experiment silkw…
Photoirradiation effects on magnetic susceptibility are studied in organic superconductors of κ-(BEDT-TTF)2Cu[N(CN)2]Br and β-(BEDT-TTF)2I3 (BEDT-TTF = bis(ethylenedithio)tetrathiafulvalene), for which we have reported photoresponses of the electrical conductivity elsewhere. With photoirradiation by cw visible laser l…
Ge-rich chalcogenide alloys are recently being inve stigated due to their retention improvement perform ances with respect to conventional Ge 2Sb 2Te 5. In this scenario it is important to explore also th e other characteristics of this alloys as endurance behavior. . We present a study of Ge-rich PCM cell endurance w…
Edible films are defined as a thin, flexible layer of material used in food packaging which can be consumed with foods. Starch is a natural polymer widely used in food technology as component of edible films. The use of natural biopolimers in films preparing is restricted due to their poor mechanical properties and hi…
The maximum driving voltage of TPS booster extraction kicker is approach to 30 kV, the HV insulation should be carefully noticed. A DC withstand voltage tester MUSASHI 3802 (Model: IP-701G) is used to test the DC breakdown voltage, which the maximum driving voltage is 37 kV. The 10 mm gap between coil and ferrite is d…
急、慢性心肌梗死导致功能性心肌细胞坏死，心泵功能受损，可利用组织工程技术将心肌细胞与细胞外支架制备成心肌补丁进行心功能修复。心肌细胞外基质(extracellular matrix, ECM)被认为是构建细胞外支架的理想材料。使用ECM构建重组心肌是心肌组织工程研究的重要方向。脱细胞处理制得的ECM具备较低的免疫原性、强大的自我更新能力以及良好的生物相容性。目前心肌ECM的制备方法多种多样，相对彻底的脱细胞化处理是消除免疫原性的必要步骤，但同时会造成ECM超微结构的破坏，不利于ECM重细胞化和心肌重建。研究者尝试通过各种手段检测并评价脱细胞方法的效果，不断改良脱细胞化技术，并通过修饰和改造心肌ECM，提升其生物相容性和机械性能。本…
High-speed steel (HSS) tools are the most commonly used tools in small and medium-scale industry. Cryogenic treatment can be used to enhance the tool life. Studies on cryogenically treated (CT) cutting tools show micro structural changes in the material that can influence the life of the tools significantly. This pape…
The nanosystems based on metallo-porphyrins have an increasing interest in fields extending from chemistry and biology. The investigations of metallo-porphyrins in micelles in non-aqueous solvents can provide significant informations relevant to enzymatic and cell membrane interactions, organic and inorganic reaction…
We present a microfluidic platform to characterize nanoparticle permeability, which determines the efficiency of nanoparticle-based drug delivery to tumors. We integrated porous membranes that mimic tumor vascular walls into microfluidic devices. Permeation of the nanoparticles through the membranes was studied under…
Under the auspices of the U.S. Department of Energy (DOE) Packaging Certification Program (PCP), Office of Packaging and Transportation, Office of Environmental Management, Argonne National Laboratory (Argonne) has developed a monitoring and tracking system for nuclear materials based on radio frequency identification…
13 Abstract: An extreme nature of the dependence of bitumen output on concentration of alkaline reagents in a process solution at ultrasonic separation of bituminous sands has been identified. Facial and surface tensions on the borders of a process solution with air and oil product, which confirmed the formation of na…
The magnesium alloy AZ91, with about 9 Al, 0.6 Zn, 0.2 Mn, 0.03 Si, 0.002 Fe, 0.003 Cu and 0.001 Ni (all wt%), was selected as the matrix for this work. The sample contained 4 wt% sharp SiC particles (from Polmineral) with nominal arithmetic mean diameters of 45 m. The AZ91 alloy was melted in a steel crucible, using…
Tungsten powders, 20 – 100 µm in size, were melted in the jet of thermal plasma generated by a water-stabilized spray system WSP®. The molten tungsten was deposited on steel and graphite or boron nitride substrates, whereas the spray-ability itself was tested as well as cohesion with other substrates. One of the goals…
The composite material was prepared by reinforcing the epoxy with E-glass fiber. The creep and flextural test were measured in this work for one and two layer of E-glass fiber with volume fraction rate of (10%, 20%, 30%, and 40%) in orientation of (0-90o) immersed in epoxy (DGEBA) resin with total thickness of 4mm. Th…
The main aim of this study is the prediction and quantity evaluation of important yarn properties (tensile, unevenness, hairiness and imperfections of yarn) from fibre properties by the robust regression and extra sum squares methods. We used cotton fibre and yarn properties measured by means of an HVI system and Uste…
DEVELOPMENT OF HIGHLY LUMINESCENT AND WATER-DISPERSIBLE LANTHANIDE-BASED NANOMATERIALS FOR POTENTIAL BIO-MEDICAL IMAGING Gayanthi Kumari Attanayake Western Carolina University (April 2013) Director: Assistant Professor Channa R. De Silva Lanthanide metal ions exhibit fascinating optical and magnetic properties. Lantha…
Despite the abundance of available experimental techniques, the X-ray absorption spectroscopy often remains the only acceptable means for solving a number of problems: studying X-ray amorphous substances, determining the phase composition at a lower concentration limit for impurity samples, determining the valence sta…
The development and characterization of experimental setups for angleresolved photoelectron spectroscopy (ARPES) and spinand angle-resolved photoelectron spectroscopy (SARPES) is described. Subsequently, the two techniques are applied to studies of the electronic band structure in topologically non-trivial materials.…