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Commercial vs Free E-resources for English Language Teachers
Barry Natusch 한국멀티미디어언어교육학회 2004 멀티미디어 언어교육 Vol.7 No.1
Natusch, Barry. (2004). Commercial vs Free E-resources for English Language Teachers. Multimedia-Assisted Language Learning, 7(1), xx∼xx. The issue of paid-for and free services in an information and communication context is receiving a lot of attention recently, particularly with the publicity surrounding notions of intellectual property and piracy. Definitions of commercial, shareware and freeware are discussed. A selection of commercial and free e-resources for teaching, administrating and researching useful for English teachers is presented and their respective strengths and weaknesses highlighted. The survey concludes by showing that trends emerging among commercial and free ELT resources suggest that while many mainstream applications are freely or cheaply obtainable, certain specialist items are still only available through commercial channels.
Indoor Channel Characteristics for Visible Light Communications
Kwonhyung Lee,Hyuncheol Park,Barry, J R IEEE 2011 IEEE communications letters Vol.15 No.2
<P>In this letter, we present indoor multipath dispersion characteristics for visible light communications (VLC). Since the VLC uses a wide spectrum between 380 nm and 780 nm, the conventional narrowband model for infrared may not apply. We generalize the Barry's model by including wavelength-dependent white LED characteristics and spectral reflectance of indoor reflectors. We perform a computer simulation to compare the power delay profile of the VLC with that of infrared communications. From our studies, we show that the VLC provides a larger transmission bandwidth than infrared communications.</P>
( Barry Eichengreen ) 세종대학교 경제통합연구소 2012 Journal of Economic Integration Vol.27 No.2
Proponents of Asian monetary integration have always looked to Europe for inspiration. This paper reconsiders the cas in light of the eurozone crisis. I ask what aspects of the earlier consensus remain intact in the wake of the crisis and what aspects must now be rethought. Is there a danger of "throwing out the baby with the bathwater" - a danger, in other words, that Europe`s negative experience since 2009 will cause Asia to turn away too quickly and completely from monetary integration? Or is it in fact appropriate to "throw out the baby" - to conclude in light of Europe`s example that Asian monetary integration is not an appropriate and desirable goal?
A Finite Element Model of Near-Field Scanning Microwave Microscopy
Barry Friedman,이기진,Brian Oetiker 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.52 No.3
A model of a near field scanning microwave microscope has been investigated via numerical simulation using the finite element method. Despite being simplified so as to be axially symmetric, the model is in qualitative agreement with measurements on non-conducting samples. As well as frequency shifts, the reflection coefficient S11 has been calculated as a function of frequency with no adjustable parameters. A model of a near field scanning microwave microscope has been investigated via numerical simulation using the finite element method. Despite being simplified so as to be axially symmetric, the model is in qualitative agreement with measurements on non-conducting samples. As well as frequency shifts, the reflection coefficient S11 has been calculated as a function of frequency with no adjustable parameters.
Barry, Jeffrey,Fritz, Michelle,Brender, Jeffrey R.,Smith, Pieter E. S.,Lee, Dong-Kuk,Ramamoorthy, Ayyalusamy American Chemical Society 2009 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.131 No.12
<P>Curcumin is the active ingredient of turmeric powder, a natural spice used for generations in traditional medicines. Curcumin's broad spectrum of antioxidant, anticarcinogenic, antimutagenic, and anti-inflammatory properties makes it particularly interesting for the development of pharmaceutical compounds. Because of curcumin's various effects on the function of numerous unrelated membrane proteins, it has been suggested that it affects the properties of the bilayer itself. However, a detailed atomic-level study of the interaction of curcumin with membranes has not been attempted. A combination of solid-state NMR and differential scanning calorimetry experiments shows curcumin has a strong effect on membrane structure at low concentrations. Curcumin inserts deep into the membrane in a transbilayer orientation, anchored by hydrogen bonding to the phosphate group of lipids in a manner analogous to cholesterol. Like cholesterol, curcumin induces segmental ordering in the membrane. Analysis of the concentration dependence of the order parameter profile derived from NMR results suggests curcumin forms higher order oligomeric structures in the membrane that span and likely thin the bilayer. Curcumin promotes the formation of the highly curved inverted hexagonal phase, which may influence exocytotic and membrane fusion processes within the cell. The experiments outlined here show promise for understanding the action of other drugs such as capsaicin in which drug-induced alterations of membrane structure have strong pharmacological effects.</P>