نتایج جستجو برای: kbr

تعداد نتایج: 750  

2006
O. H. Pakarinen C. Barth A. S. Foster R. M. Nieminen C. R. Henry

Rights: © 2006 American Physical Society (APS). This is the accepted version of the following article: Pakarinen, O. H. & Barth, C. & Foster, A. S. & Nieminen, Risto M. & Henry, C. R. 2006. High-resolution scanning force microscopy of gold nanoclusters on the KBr (001) surface. Physical Review B. Volume 73, Issue 23. 235428/1-10. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.73.235428, whi...

2006

Previous studies show that NH~ bearing 2:1 clays have two types of ammonium vibrational spectra. The first one, mainly observed for KBr pellets of NH4-smectites, gives absorption bands at 3150, 3020, 2840 and 1400 cm -~ (Petit et al., 1998). These NH~ bands, observed in the 1R spectra of many NH4 salts, correspond to vibrations of NH~ ions in the tetrahedral symmetry group (Nakamoto, 1963). Acc...

2008
Lawrence L. Lewis Philip R. Brooks R. F. Curl Bruce R. Johnson

The Journal of Physical Chemistry is published by the American Chemical Society. 1155 Sixteenth Street N.W., Washington, DC 20036 Article Role of Fine Structure States in a Chemical Reaction: Na* + KBr � NaBr + K* Lawrence L. Lewis, Philip R. Brooks, R. F. Curl, and Bruce R. Johnson J. Phys. Chem., 1996, 100 (19), 8008-8010 • DOI: 10.1021/jp953085c Downloaded from http://pubs.acs.org on Decembe...

Journal: :Electronics 2021

Software-defined networking (SDN) architecture has provided well-known advantages in terms of network programmability, initially offering a standard, open, and vendor-agnostic interface (e.g., OpenFlow) to instruct the forwarding behavior devices from different vendors. However, last few years, data plane programmability emerged as promising approach extend management allowing definition progra...

2003
Z. Postawa

We have measured the kinetic energy distributions of neutral halogen atoms emitted due to electron-stimulated desorption (ESD) from In-doped (001)KBr single crystals. The concentration of In + in investigated samples varied between 10” and 10” particles/cm3. The measurements were performed at target temperature of 150°C. In all cases the energy spectra consist of two peaks. The distribution of ...

Journal: :Echo research and practice 2015
Aleksandra Trzebiatowska-Krzynska Mieke Driessen Gertjan Tj Sieswerda Lars Wallby Eva Swahn Folkert Meijboom

AIM Assessment of right ventricular (RV) function is a challenge, especially in patients with congenital heart disease (CHD). The aim of the present study is to assess whether knowledge-based RV reconstruction, used in the everyday practice of an echo-lab for adult CHD in a tertiary referral center, is accurate when compared to cardiac magnetic resonance (CMR) examination. SUBJECTS AND METHOD...

Journal: :فیزیک زمین و فضا 0
محمدعلی شریفی زهره عرفانی جزی علیرضا امیری سیمکوئی

one of the most valuable and important application of artificial satellites in geodetic sciences is recovery of the earth's gravity field. orbits of satellites either gravimetric or nongravimetric are analyzed to improve the earth's gravity field. gravimetric satellites are launched at low altitudes to observe gravity field in more detail. grace twin satellites are the second spacecra...

2007
Richard R. Lunt Jay B. Benziger Stephen R. Forrest

Organic semiconductors have gained tremendous attention over the last two decades due to their potential for use in thin film transistors (TFTs), sensors, solar cells and organic light emitting diodes The best device performances (particularly for TFTs) have often been achieved using free standing single crystals. However, in general the size, thickness, and shape of such crystals are not easil...

2012
Radhika R. Roy Wade K. Trappe

ID: 14625 Title: Peer-to-Peer Voice-over-Internet Protocol Communications in Mobile Ad Hoc Networks Abstract Text: Peer-to-Peer Voice-over-Internet Protocol Communications in Mobile Ad Hoc Networks Radhika R. Roy^1 and Wade K. Trappe^2 ^1 Army System Engineering Office, SEAMS, S&CTD,Text: Peer-to-Peer Voice-over-Internet Protocol Communications in Mobile Ad Hoc Networks Radhika R. Roy^1 and Wad...

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