نتایج جستجو برای: enhancement factor

تعداد نتایج: 960802  

2003
Alexey B. Nadykto Fangqun Yu

[1] Recently proposed ion-mediated nucleation theory suggests that the enhanced uptake of neutral polar molecules by the charged clusters as a result of dipole-charge interaction may be critical to the nucleation of particles in the atmosphere. A rigorous parameterization of the enhancement effect of dipole-charge interaction on the growth of charged clusters is presented and the important para...

Ali Shabestani Monfared, Mehdi Khobi Nader Riahi Alam Shiva Shoobkolaei

Introduction: Bismuth-based nanoparticles having high atomic number and electron density, besides of being utilized as CT contrast agent, stand as a strongly proposed method for dose enhancement in radiotherapy. Embedded nanoparticle in polymer gel dosimeter poses the first step to assess the dose enhancement capability in nanoparticles. To this end, MAGICA gel dosimeter, whic...

Journal: :Physical review 2021

In this work the above-band gap absorption spectrum in two-dimensional Dirac materials is calculated with account for interaction between photocarriers. Both screened Rytova-Keldysh and pure Coulomb attraction potentials electron hole are used study. We find that, under consideration, enhances absorbance narrow interband edge region, a sharp contrast to band model parabolic free-carrier energy ...

2015
Elvar Örn Jónsson Susi Lehtola Hannes Jónsson

Results of Perdew–Zunger self-interaction corrected (PZ-SIC) density functional theory calculations of the atomization energy of 35 molecules are compared to those of high-level quantum chemistry calculations. While the PBE functional, which is commonly used in calculations of condensed matter, is known to predict on average too high atomization energy (overbinding of the molecules), the applic...

Journal: :Journal of biomedical optics 2010
Jingjing Liu Zhengbin Xu Qinghai Song Raymond L Konger Young L Kim

We experimentally study potential mechanisms by which the enhancement factor in low-coherence enhanced backscattering (LEBS) can probe subtle variations in radial intensity distribution in weakly scattering media. We use enhanced backscattering of light by implementing either (1) low spatial coherence illumination or (2) multiple spatially independent detections using a microlens array under sp...

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