Results 11 to 20 of about 535,578 (267)

Grand-reaction method for simulations of ionization equilibria coupled to ion partitioning [PDF]

open access: yes, 2020
We developed a new method for coarse-grained simulations of acid-base equilibria in a system coupled to a reservoir at a given pH and concentration of added salt, that we term the Grand-reaction method.
Jonas, Landsgesell   +5 more
core   +1 more source

Decomposition of scattering phase shifts of coupled-channels systems in the complex scaling method [PDF]

open access: yes, 2021
The decomposition of scattering phase shifts in single-channel systems is extended to coupled-channels systems in the complex scaling method. The present method describes the contribution of the resonant states to the phase shift separately from the ...
Odsuren, Myagmarjav   +4 more
core   +1 more source

A variationally consistent hyperstatic reaction method for tunnel lining design [PDF]

open access: yes, 2021
In this technical note, a consistent finite element formulation of the Hyperstatic Reaction Method (HRM) for tunnel linings design is proposed by introducing a variational consistently linearized formulation.
Daniel Dias   +12 more
core   +2 more sources

Effective simulation techniques for biological systems [PDF]

open access: yes, 2004
In this paper we give an overview of some very recent work on the stochastic simulation of systems involving chemical reactions. In many biological systems (such as genetic regulation and cellular dynamics) there is a mix between small numbers of key ...
Tian, T., Burrage, K.
core   +1 more source

Self-organized enhancement of conductivity in biological ion channels [PDF]

open access: yes, 2013
We discuss an example of self-organization in a biological system. It arises from long-range ion–ion interactions, and it leads us to propose a new kind of enhanced conduction in ion channels.
Kaufman, Igor   +9 more
core   +1 more source

Multilevel Monte Carlo for continuous time Markov chains, with applications in biochemical kinetics [PDF]

open access: yes, 2012
We show how to extend a recently proposed multi-level Monte Carlo approach to the continuous time Markov chain setting, thereby greatly lowering the computational complexity needed to compute expected values of functions of the state of the system to a ...
Anderson, David   +3 more
core   +1 more source

Potentials of interaction of 10,11,12,13B isotopes with 12C [PDF]

open access: yesЯдерна фізика та енергетика, 2022
A comparative analysis of calculations for the 12С(10В,10В)12С elastic scattering at Еlab(10B) = 41.3 MeV, the 12С(11В,11В)12С elastic scattering at Еlab(11B) = 40.0 MeV, transfer reactions 13С(11В,12С)12В and 14С(11В,12С)13В at Еlab(11B) = 45.0 МеВ was ...
S. Yu. Mezhevych   +8 more
doaj   +1 more source

Patch clamp studies of human sperm under physiological ionic conditions reveal three functionally and pharmacologically distinct cation channels [PDF]

open access: yes, 2014
Whilst fertilizing capacity depends upon a K+ conductance G? that allows the spermatozoon membrane potential Vm to be held at a negative value, the characteristics of this conductance in human sperm are virtually unknown.
Barratt, C.L.R.; id_orcid   +8 more
core   +1 more source

Time-Dependent Approaches to Open Quantum Systems

open access: yesFrontiers in Physics, 2020
Couplings of a system to other degrees of freedom (that is, environmental degrees of freedom) lead to energy dissipation when the number of environmental degrees of freedom is large enough. Here, we discuss quantal treatments for such energy dissipation.
Masaaki Tokieda, Kouichi Hagino
doaj   +1 more source

Effects of coupling to breakup channels in reactions induced by weakly bound and halo nuclei

open access: yesEPJ Web of Conferences, 2016
The experimental elastic scattering angular distributions of the collisions involving the weakly bound nuclei 6,7Li and the halo nucleus 6He on the same 64Zn target at several energies around the Coulomb barrier were measured at the Laboratori Nazionali ...
Fernández-García J. P.   +10 more
doaj   +1 more source

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