نتایج جستجو برای: polypyrol film

تعداد نتایج: 90894  

In this research, tellurium (Te) film with thicknesses of 100-250 nm were deposited on ceramic substrates by thermal evaporation at 373 K. The thickness of the film was determined by Rutherford backscattering spectroscopy. The influence of the thickness on the structural, morphological and molecular bonds was characterized using XRD, scanning electron microscope, and Raman spectroscopy. The XRD...

Journal: :Microelectronics Reliability 2002
Adelmo Ortiz-Conde Francisco J. García-Sánchez Juin J. Liou Antonio Cerdeira Magali Estrada Y. Yue

The threshold voltage value, which is the most important electrical parameter in modeling MOSFETs, can be extracted from either measured drain current or capacitance characteristics, using a single or more transistors. Practical circuits based on some of the most common methods are available to automatically and quickly measure the threshold voltage. This article reviews and assesses several of...

2014
Ming Li S. C. Lim Wei Zhao Tomas Pereira Sheng-yong Chen

We study the Cauchy-Matern CM process with long-range dependence LRD . The closed form of its power spectrum density PSD function is given. We apply it to model the autocovariance function ACF and the PSD of the sea surface wind speed wind speed for short observed in the Lake Worth, Florida, over the 1984–2006 period. The present results exhibit that the wind speed at the Lake Worth over 1984–2...

2004
Laurent Cozic Stephen Boyd Davis Huw Jones

The film-maker uses the camera and editing creatively, not simply to present the action of the film but also to set up a particular relation between the action and the viewer. In 3D video games with action controlled by the player, the pseudo camera is usually less creatively controlled and has less effect on the player's appreciation of and engagement with the game. This paper discusses method...

Journal: :IBM Journal of Research and Development 2011
Stephen Lynd Christensen Brian M. Haines Uday D. Lanke Matthew F. Paige Stephen G. Urquhart

This issue of the IBM journal describes recent advances in the field of nanoscience, with an emphasis on cathode lens-based microscopy methods, including LEEM (low-energy electron microscopy), PEEM (photoemission electron microscopy), and other related analytical approaches. Papers highlight scientific advances and instrumental developments on topics that include thin films, organic films, surf...

2006
Josephine Bea Chang Chenming Hu Josephine B. Chang Amanda Murphy Jason Lee

2016
Agnès Tixier-Mita Satoshi Ihida Bertrand-David Ségard Grant A. Cathcart Takuya Takahashi Hiroyuki Fujita Hiroshi Toshiyoshi

2010
Anton Kapustin Ketan Vyas

We introduce and study a new 3d Topological Field Theory which can be associated to any compact real manifold X. This TFT is analogous to the 2d A-model and reduces to it upon compactification on an interval with suitable boundary conditions. It plays a role in 3d mirror symmetry as well as in the physical approach to the geometric Langlands duality. A similar TFT can be defined in four dimensi...

Journal: :iranian journal of medical physics 0
seyed mohsen hosseini daghigh radiation medicine department, shahid beheshti university, tehran, iran

introduction interaluminal brachytherapy is one of the important methods of esophageal cancer treatment. the effect of applicator attenuation is not considered in dose calculation method released by aapm-tg43. in this study, the effect of high-dose rate (hdr) brachytherapy esophageal applicator on dose distribution was surveyed in hdr brachytherapy. materials and methods a cylindrical pmma phan...

The objective of this work is to develop deep theoretical methods that are based on the solution of the integral boundary layer equations for investigating film cooling in liquid rocket engine. The integral model assumes that heat is transferred from hot free stream gas to the liquid film both by convection and radiation. The mass is transferred to the free srteam gas by the well-known blowing ...

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