نتایج جستجو برای: γ spectrometry

تعداد نتایج: 171930  

2011
Brent Fultz

Mössbauer spectrometry gives electronic, magnetic, and structural information from within materials. A Mössbauer spectrum is an intensity of γ-ray absorption versus energy for a specific resonant nucleus such as Fe or Sn. For one nucleus to emit a γ-ray and a second nucleus to absorb it with efficiency, both nuclei must be embedded in solids, a phenomenon known as the “Mössbauer effect.” Mössba...

Journal: :ACS nano 2010
Tamer Uyar Rasmus Havelund Jale Hacaloglu Flemming Besenbacher Peter Kingshott

Electrospinning has been used to successfully create polystyrene (PS) nanofibers containing either of three different types of cyclodextrin (CD); α-CD, β-CD, and γ-CD. These three CDs are chosen because they have different sized cavities that potentially allow for selective inclusion complex (IC) formation with molecules of different size or differences in affinity of IC formation with one type...

ژورنال: سلامت و محیط زیست 2021

Background and Objective: Milk is one of the most important components of human food. In recent decades, the continued use of pesticides has led to contamination of soil, water, air and milk and caused public concern in the community. Long-term exposure to pesticide residuals in the food chain can be harmful. Therefore, there is a need to control environmental conditions in order to improve its...

Journal: :international journal of environmental research 2013
i. guagliardi g. buttafuoco c. apollaro a. bloise r. de rosa

gamma-rays emitted from the ground surface relate to the primary mineralogy and geochemistryof the bedrock, and the secondary weathered materials. this information can contribute significantly to anunderstanding of the geochemical and pedogenetic history of a region. the main aim of this paper was to study the relationship between ground gamma-ray data and basement geochemistry in the lese catc...

2014
Makoto Itakura Tsukiko Sugaya Masami Takahashi

Objective: Transmembrane AMPA receptor regulatory proteins (TARPs) interact with AMPA receptors and modulate both their trafficking and ion channel properties. The purpose of this study was to identify proteins involved in AMPA receptor trafficking by screening for proteins associated with TARP γ-8. Methods: Rat hippocampal P2 lysates were subjected to immunoprecipitation with an anti-γ-8 antib...

2012
Christine Lang Anke Hildebrandt Franziska Brand Lennart Opitz Hassan Dihazi Carsten G. K. Lüder

Intracellular pathogens including the apicomplexan and opportunistic parasite Toxoplasma gondii profoundly modify their host cells in order to establish infection. We have shown previously that intracellular T. gondii inhibit up-regulation of regulatory and effector functions in murine macrophages (MΦ) stimulated with interferon (IFN)-γ, which is the cytokine crucial for controlling the parasit...

Journal: :Appl. Math. Lett. 2013
Peter Harjulehto P. Hästö V. Latvala O. Toivanen

We study a variable exponent model for image restoration in the case that the exponent attains the critical value one. We prove existence and Γ-convergence. The results answer an open question by Li, Li and Pi [Variable exponent functionals in image restoration, Appl. Math. Comput. 216 (2010), no. 3, 870–882].

2008
GIAMPIERO PALATUCCI Giampiero Palatucci

Received (Day Month Year) Communicated by (xxxxxxxxxx) Let Ω be an open bounded set of R 3 and let W and V be two non-negative continuous functions vanishing at α, β and α ′ , β ′ , respectively. We analyze the asymptotic behavior as ε → 0, in terms of Γ-convergence, of the following functional Fε(u) := ε p−2 Z Ω |Du| p dx + 1 ε p−2 p−1 Z Ω W (u)dx + 1 ε Z ∂Ω V (T u)dH 2 (p > 2), where u is a s...

2006
N. Ansini A. Garroni

We study the stability of a sequence of integral functionals on divergence-free matrix valued fields following the direct methods of Γ-convergence. We prove that the Γ-limit is an integral functional on divergence-free matrix valued fields. Moreover, we show that the Γlimit is also stable under volume constraint and various type of boundary conditions.

Journal: :SIAM J. Math. Analysis 2014
Matteo Focardi F. Iurlano

We provide an approximation result in the sense of Γ-convergence for energies of the form ˆ Ω Q1(e(u)) dx+ aH(Ju) + b ˆ Ju Q 1/2 0 ([u] νu) dH n−1, where Ω ⊂ Rn is a bounded open set with Lipschitz boundary, Q0 and Q1 are coercive quadratic forms on Mn×n sym , a, b are positive constants, and u runs in the space of fields SBD2(Ω) , i.e., it’s a special field with bounded deformation such that i...

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