نتایج جستجو برای: theoretical model

تعداد نتایج: 2310007  

Journal: :Physical review letters 2016
R Caballero-Folch C Domingo-Pardo J Agramunt A Algora F Ameil A Arcones Y Ayyad J Benlliure I N Borzov M Bowry F Calviño D Cano-Ott G Cortés T Davinson I Dillmann A Estrade A Evdokimov T Faestermann F Farinon D Galaviz A R García H Geissel W Gelletly R Gernhäuser M B Gómez-Hornillos C Guerrero M Heil C Hinke R Knöbel I Kojouharov J Kurcewicz N Kurz Yu A Litvinov L Maier J Marganiec T Marketin M Marta T Martínez G Martínez-Pinedo F Montes I Mukha D R Napoli C Nociforo C Paradela S Pietri Zs Podolyák A Prochazka S Rice A Riego B Rubio H Schaffner Ch Scheidenberger K Smith E Sokol K Steiger B Sun J L Taín M Takechi D Testov H Weick E Wilson J S Winfield R Wood P Woods A Yeremin

The β-delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with β-decay half-lives for 20 isotopes of Au, Hg, Tl, Pb, and Bi in the mass region N≳126. These are the heaviest species where neutron emission has been observed so far. These measurements provide key information to evaluate the performance of nuclear microscopic and phenomenological mode...

Journal: :Accounts of chemical research 2002
Vladimir Makarov B Montgomery Pettitt Michael Feig

Many theoretical, computational, and experimental techniques recently have been successfully used for description of the solvent distribution around macromolecules. In this Account, we consider recent developments in the areas of protein and nucleic acid solvation and hydration as seen by experiment, theory, and simulations. We find that in most cases not only the general phenomena of solvation...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Marcel O Vlad Alexandru D Corlan Federico Morán Rainer Spang Peter Oefner John Ross

We introduce systematic approaches to chemical kinetics based on the use of phase-phase (log-log) representations of the rate equations. For slow processes, we obtain a corrected form of the mass-action law, where the concentrations are replaced by kinetic activities. For fast reactions, delay expressions are derived. The phase-phase expansion is, in general, applicable to kinetic and transport...

2006
Marie-Pierre Gagnon

It has long been advocated that Information and Communication Technology (ICT) offers a huge potential to answer many of the challenges that the healthcare sector is facing. ICT applications promise efficient tools to collect, store, process and communicate health-related data and information. In that respect, it is believed that ICT could improve safety, quality, and cost-efficiency of healthc...

2017
Roman Sosnowski Marta Kulpa Urszula Ziętalewicz Jan Karol Wolski Robert Nowakowski Robert Bakuła Tomasz Demkow

INTRODUCTION Chronic diseases such as cancer have a strong influence on both physical health and quality of life, which together comprise the concept of health-related quality of life (HRQoL) - in other words, the complete state of physical, social, and psychological functioning. Herein, we review the literature on the theory of HRQoL in relation to oncological diseases. MATERIAL AND METHODS ...

Journal: :Trends in ecology & evolution 1994
G L Bush

Recent research on natural host races and sympatric sister species, comparative phylogenetic analyses, laboratory experiments and theoretical models has greatly strengthened the case for sympatric speciation. Traits evolving in response to divergent selection experienced by subpopulations adapting to different habitats provide sufficient intrinsic premating isolation for sympatric speciation to...

Journal: :Physical chemistry chemical physics : PCCP 2016
Giorgia Olivieri Alok Goel Armin Kleibert Dean Cvetko Matthew A Brown

Despite the ubiquitous nature of aqueous solutions across the chemical, biological and environmental sciences our experimental understanding of their electronic structure is rudimentary-qualitative at best. One of the most basic and seemingly straightforward properties of aqueous solutions-ionization energies-are (qualitatively) tabulated at the water-air interface for a mere handful of solutes...

2007
Elena Legnani Stefano Ierace Sergio Cavalieri

In the last years, given the high market pressure and the increased competition in several industries, the search for new business opportunity is focusing on service activities. After-Sales (AS) service has become increasingly important as a source of differentiation and market share for manufacturers and resellers, as well as a strategic driver for customer’s retention. These changes often cal...

Journal: :Environmental Health Perspectives 1996
K Olden

A major problem in structural biology is the recognition of errors in experimental and theoretical models of protein structures. The ProSA program (Protein Structure Analysis) is an established tool which has a large user base and is frequently employed in the refinement and validation of experimental protein structures and in structure prediction and modeling. The analysis of protein structure...

2017

This paper investigates the relationship between the demand and supply chain and the concept of marketing based on a literature review based on twenty-nine papers between 2009-1999. The preliminary literature review indicated that the discussion in the papers outline primarily the differences between the supply/demand chain and the resulting impact on marketing; investigating further into eleme...

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