نتایج جستجو برای: classical transition state

تعداد نتایج: 1232531  

1999
T. Belloni M. Méndez M. van der Klis W. H. G. Lewin S. Dieters

We report the results of observations with the Rossi X-ray Timing Explorer of the black-hole candidate GX 339-4 during the state transition of 1998. We find that both the X-ray spectrum and the characteristic of the time variability after the transition are typical of a high/soft state. We cannot exclude that the source went through an Intermediate State before entering the high state. We discu...

2009
Amin Najafi

In this method we work out computational novel technique of helical(spiral) boundary condition[6] in Mont Carlo simulation[2] and metropolis algorithm[2] in order to delineate and determine correlation between different points of Markov Chain[1] which indeed are different conditions of spin configuration in this simulation method. The helical(spiral) boundary condition, Which is offered by two ...

Journal: :Physica A: Statistical Mechanics and its Applications 2009

Journal: :journal of biostatistics and epidemiology 0
ali zare department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran mahmood mahmoodi department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran kazem mohammad department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran hojjat zeraati department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran mostafa hosseini department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran kourosh holakouie-naieni department of epidemiology and biostatistics, school of health, tehran university of medical sciences, tehran, iran

b a c k g r o u n d & aim: multi-state models can help better understand the process of chronic diseases such as cancers.  these models  are influenced  by assumptions  like individual  homogeneity.  this study aimed to investigate the effect of lack of individual homogeneity  assumption  in multi-state models. methods & materials: to investigate the effect of lack of individual homogeneity ass...

Behnaz Shahrokh Garnik Sargsyan

In this research, a semi empirical approach has been suggested for calculating the activation energyof unimolecular thermal decomposition of vinyl ethers yielding saturated products. The calculationprocedure is based on the use of molecular mechanics (MM) methods. These methods which involvethe construction of the transition state for a molecule mainly consider the formation of a “HydrogenBridg...

1995
Yigal Meir

A variational ν = 2/3 state, which unifies the sharp edge picture of MacDonald with the soft edge picture of Chang and of Beenakker is presented and studied in detail. Using an exact relation between correlation functions of this state and those of the Laughlin ν = 1/3 wavefunction, the correlation functions of the ν = 2/3 state are determined via a classical Monte Carlo calculation, for system...

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