نتایج جستجو برای: surface and bulk analysis

تعداد نتایج: 17373016  

2015
Anotida Madzvamuse Andy H. W. Chung Chandrasekhar Venkataraman

In this article, we formulate new models for coupled systems of bulk-surface reaction-diffusion equations on stationary volumes. The bulk reaction-diffusion equations are coupled to the surface reaction-diffusion equations through linear Robin-type boundary conditions. We then state and prove the necessary conditions for diffusion-driven instability for the coupled system. Owing to the nature o...

Journal: :Journal of the Less Common Metals 1985

Journal: :Journal of the Society of Materials Science, Japan 1991

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...

Journal: :The Journal of chemical physics 2017
Alexander M Berezhkovskii Leonardo Dagdug Sergey M Bezrukov

Surface transport, when the particle is allowed to leave the surface, travel in the bulk for some time, and then return to the surface, is referred to as bulk-mediated surface transport. Recently, we proposed a formalism that significantly simplifies analysis of bulk-mediated surface diffusion [A. M. Berezhkovskii, L. Dagdug, and S. M. Bezrukov, J. Chem. Phys. 143, 084103 (2015)]. Here this for...

Journal: :Current Opinion in Colloid and Interface Science 2021

The existence of stable nanoscopic gaseous domains in liquids, or nanobubbles, has attracted both skepticism and intrigue since classical theory predicts that spherical gas bubbles cannot achieve equilibrium. Can we prove these exist, if they do, how do survive? We critically review contemporary theoretical perspectives the stability surface bulk nanobubbles explain experiments either vindicate...

2000
D. Mark Riffe G. K. Wertheim D. M. Riffe

High-resolution core-level photoemission data from the 1s level of Li~110! have been obtained between 77 and 280 K. Analysis of the data reveals a significant difference in the zero-temperature phonon broadening between the bulk and surface atoms but only a small difference in the effective surface and bulk Debye temperatures. This latter result is in good agreement with an embedded-atom-method...

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