نتایج جستجو برای: theoretical evaluation

تعداد نتایج: 1102974  

Journal: :The American psychologist 2017
Paula R Pietromonaco Nancy L Collins

Close relationships play a vital role in human health, but much remains to be learned about specific mechanisms of action and potential avenues for intervention. This article provides an evaluation of research on close relationships processes relevant to health, drawing on themes from major relationship science theories to present a broad conceptual framework for understanding the interpersonal...

2014
Kyle Li Doina Precup Theodore J. Perkins

The complex molecular networks in the cell can give rise to surprising interactions: gene deletions that are synthetically lethal, gene overexpressions that promote stemness or differentiation, synergistic drug interactions that heighten potency. Yet, the number of actual interactions is dwarfed by the number of potential interactions, and discovering them remains a major problem. Pooled screen...

Journal: :Ecological applications : a publication of the Ecological Society of America 2006
N Thompson Hobbs Ray Hilborn

Statistical methods emphasizing formal hypothesis testing have dominated the analyses used by ecologists to gain insight from data. Here, we review alternatives to hypothesis testing including techniques for parameter estimation and model selection using likelihood and Bayesian techniques. These methods emphasize evaluation of weight of evidence for multiple hypotheses, multimodel inference, an...

Journal: :Nanomedicine 2010
Alexander Fuhrmann Robert Ros

The quantitative analysis of molecular interactions is of high interest in medical research. Most methods for the investigation of ligand-receptor complexes deal with huge ensembles of biomolecules, but often neglect interactions with low affinity or small subpopulations with different binding properties. Single-molecule force spectroscopy offers fascinating possibilities for the quantitative a...

Journal: :Theoretical population biology 1996
Ohta Gillespie

A short history of the major features of neutral theories of molecular evolution is presented. Emphasis is placed on the nearly neutral theory, as this version of the neutral theory has explained the widest range of phenomena. The shift of interest from protein to DNA evolution is chronicled, leading to the modern view that silent and replacement substitutions are responding to different evolut...

Journal: :Physical review letters 2014
Bess Fang Giuseppe Carleo Aisling Johnson Isabelle Bouchoule

We measure the position- and momentum-space breathing dynamics of trapped one-dimensional Bose gases at finite temperature. The profile in real space reveals sinusoidal width oscillations whose frequency varies continuously through the quasicondensate to ideal Bose gas crossover. A comparison with theoretical models taking temperature into account is provided. In momentum space, we report the f...

2013
Qing Li Ali A. Eftekhar Zhixuan Xia Ali Adibi

Current theoretical treatments of mode splitting and scattering loss resulting from subwavelength scatterers attached to the surface of high-quality-factor whispering-gallery-mode microresonators are not satisfactory. Different models proposed for distinct scatterer regimes cannot be reconciled. In addition, many experimental results are difficult to understand within the existing theoretical f...

Journal: :the international journal of humanities 2015
hossein navidinia gholam reza kiani ramin akbari reza ghaffar samar

performance evaluation is one of the important components of each organization, and educational organizations are not the exceptions. teachers are believed by many researchers as the single most important factor influencing student academic success or failure. therefore, they need to be at the center of attempts to improve or reform the educational system of any country. considering the pivotal...

Journal: :Physical review letters 2013
Jinping Yao Guihua Li Xinyan Jia Xiaolei Hao Bin Zeng Chenrui Jing Wei Chu Jielei Ni Haisu Zhang Hongqiang Xie Chaojin Zhang Zengxiu Zhao Jing Chen Xiaojun Liu Ya Cheng Zhizhan Xu

The study of the ionization process of molecules in an intense infrared laser field is of paramount interest in strong-field physics and constitutes the foundation of imaging of molecular valence orbitals and attosecond science. We show measurement of alignment-dependent ionization probabilities of the lower-lying orbitals of the molecules by experimentally detecting the alignment dependence of...

Journal: :Science 2015
John W Crowley Richard F Katz Peter Huybers Charles H Langmuir Sung-Hyun Park

Glacial cycles redistribute water between oceans and continents, causing pressure changes in the upper mantle, with consequences for the melting of Earth's interior. Using Plio-Pleistocene sea-level variations as a forcing function, theoretical models of mid-ocean ridge dynamics that include melt transport predict temporal variations in crustal thickness of hundreds of meters. New bathymetry fr...

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