نتایج جستجو برای: thermodynamics properties

تعداد نتایج: 892959  

Journal: :Nanoscale 2014
Sen Zhang Guangming Jiang Gabriel T Filsinger Liheng Wu Huiyuan Zhu Jonghun Lee Zhongbiao Wu Shouheng Sun

We report a facile halide ion (Cl(-) or Br(-)) mediated synthesis of Fe nanoparticles (NPs) by thermal decomposition of Fe(CO)5. The NP structure is controlled to be either amorphous (in the absence of halide ions) or single crystalline bcc (in the presence of halide ions). Through systematic investigation on the synthetic conditions, we have confirmed that the formation of bcc-Fe NPs is facili...

2017
S. Ciliberto

We summarize in this article the experiments which have been performed to test the theoretical findings in stochastic thermodynamics such as fluctuation theorem, Jarzynski equality, stochastic entropy, out-ofequilibrium fluctuation dissipation theorem, and the generalized first and second laws. We briefly describe experiments on mechanical oscillators, colloids, biological systems, and electric...

2005
Lars Stixrude

S U M M A R Y We present a theory for the computation of phase equilibria and physical properties of multicomponent assemblages relevant to the mantle of the Earth. The theory differs from previous treatments in being thermodynamically self-consistent: the theory is based on the concept of fundamental thermodynamic relations appropriately generalized to anisotropic strain and in encompassing el...

Journal: :Drug discovery today 2010
György G Ferenczy György M Keserũ

The documented unfavorable changes of physicochemical properties during lead discovery and optimization prompted us to investigate the present practice of medicinal chemistry optimization from a thermodynamic perspective. Basic principles of binding thermodynamics suggest that discriminating between enthalpy-driven and entropy-driven optimizations could be beneficial. We hypothesize that entrop...

2008
Shinji Mukohyama

In this thesis properties and the origin of black hole entropy are investigated from various points of view. First, laws of black hole thermodynamics are reviewed. In particular, the first and generalized second laws are investigated in detail. It is in these laws that the black hole entropy plays key roles. Next, three candidates for the origin of the black hole entropy are analyzed: the D-bra...

2012
Antonio Sabatini Alberto Vacca Stefano Iotti

A novel procedure is presented which, by balancing elements and electric charge of biochemical reactions which occur at constant pH and pMg, allows assessing the thermodynamics properties of reaction Δ(r)G'⁰, Δ(r)H'⁰, Δ(r)S'⁰ and the change in binding of hydrogen and magnesium ions of these reactions. This procedure of general applicability avoids the complex calculations required by the use of...

Journal: :Review of Advances in Physics Theories and Applications 2014

Journal: :Geophysical Journal International 2005

Journal: :Lubrication science 2023

Thermodynamics has historically been used to derive characteristic material properties. In this study, fundamental thermodynamics is applied grease. First-principle formulations of existing properties—heat capacity and storage modulus—and new properties—thermal strain stress coefficients, chemical resistance thermo-chemical decay coefficient—are derived, some which are experimentally determined...

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