نتایج جستجو برای: intermolecular mechanics

تعداد نتایج: 152061  

Afshin Ghanbarzadeh Aminreza Noghrehabadia Mohammad Ghalambaza

In this paper, a monotone positive solution is studied for buckling of a distributed model of multi walled carbon nanotube (MWCNT) cantilevers in the vicinity of thin and thick graphite sheets subject to intermolecular forces. In the modeling of intermolecular forces, Van der Waals forces are taken into account. A hybrid nano-scale continuum model based on Lennard–Jones potential is applied to ...

This paper presents an original interactive analysis method consisting of mathematical calculation based on theoretical mechanics and mechanics of materials, and dynamics simulation for quantifying outrigger reaction forces of a kind of hydraulic mobile crane, aiming to avoid the eventualities during normal operation as far as possible, for example, tipping-over. First, a three dimensional dyna...

ژورنال: مواد پرانرژی 2017

In this paper by analyzing the penetration mechanics of the segmented rods into semi-infinite ceramic targets, a mathematical model is provided to predict segmented rod projectiles penetration into semi-infinite ceramic targets. In analysis three factors of segments length, segments distance and number of segments are considered. Results suggest that the most important factor in penetration dep...

Journal: :Physical chemistry chemical physics : PCCP 2017
Meiling Bao Xiaoqing Wei Liangliang Cai Qiang Sun Zhengxin Liu Wei Xu

We studied the self-assembly of melem on the Au(111) and Ag(111) surfaces. By scanning tunneling microscopy imaging, we observed two different STM appearances of the melem molecule within the self-assembled nanostructure on Au(111), which resulted from the different intermolecular bonding configurations. Moreover, further DFT details including the intermolecular charge density difference and bo...

2006
Thomas Kraska

The pure elements hydrogen, fluorine and oxygen and the mixtures hydrogen-oxygen and hydrogen-fluorine are used in several industrial applications nowadays. Hydrogen might become a renewable energy carries in fuel cell technologies [122, 16]. Hydrogen is considered a fuel which can replace all the major fuels [46, 95]. Consequently, the estimation of thermodynamic data for the mentioned systems...

2016
Gabriel Velez Marisa Lin Trace Christensen William A Faubion Gwen Lomberk Raul Urrutia

HP1γ, a non-histone chromatin protein, has elicited significant attention because of its role in gene silencing, elongation, splicing, DNA repair, cell growth, differentiation, and many other cancer-associated processes, including therapy resistance. These characteristics make it an ideal target for developing small drugs for both mechanistic experimentation and potential therapies. While high-...

Journal: :journal of physical & theoretical chemistry 2015
m. khaleghian g.r. ghashami

to get a mole of a gas, it is necessary to calculate the intermolecular interaction. theseintermolecular interactions can be depicted by drawing the potential energy of a pair molecule inrelation to the distance. the intermolecular potential energy surface in the mixtures of ch4-h2cogases from ab initio calculations has been explored. in ab initio calculations the basis setsuperposition error (...

G.R. Ghashami M. Khaleghian

To get a mole of a gas, it is necessary to calculate the intermolecular interaction. Theseintermolecular interactions can be depicted by drawing the potential energy of a pair molecule inrelation to the distance. The intermolecular potential energy surface in the mixtures of CH4-H2COgases from ab initio calculations has been explored. In ab initio calculations the basis setsuperposition error (...

2011
Mikhail Lemeshko

We show that dressing polar molecules with a far-off-resonant optical field leads to new types of intermolecular potentials, which undergo a crossover from the inverse-power to oscillating behavior depending on the intermolecular distance, and whose parameters can be tuned by varying the laser intensity and wavelength. We present analytic expressions for the potential energy surfaces, thereby p...

رابعی, اردشیر, رضایی, سودابه,

 The phase space which is related to the motion of massive particle on 1+3- De sitter space is a 3-dimensional complex sphere. Our main aim in this study is discribing this movement in the frame quantum mechanics. Transfering from classical mechanic to quantum mechanics is possible by means of coherent states. Thus, after determination of this state, we quantize some of the classical observables.

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