نتایج جستجو برای: equilibrium constant

تعداد نتایج: 338220  

2009
Thomas B. Schrøder Ulf R. Pedersen Nicoletta Gnan Jeppe C. Dyre

Computer simulations recently revealed that several liquids exhibit strong correlations between virial and potential energy equilibrium fluctuations in the NVT ensemble [U. R. Pedersen et al., Phys. Rev. Lett. 100, 015701 (2008)]. In order to investigate whether these correlations are present also far from equilibrium constant-volume aging following a temperature down jump from equilibrium was ...

Journal: :international journal of iron & steel society of iran 2008
s. m. h. modarresi m. kashefi j. vahdati khaki

simulation of metallurgical processes has been the subject of intense research due to the reduced number of experiments required for controlling the process as well as time and energy savings it allows. in gas carburizing of steel parts, the amount of carbon at the surface of carburized parts is the most important specification of the process in terms of achieving the desired metallurgical prop...

Journal: :caspian journal of environmental sciences 2013
h. sid kalal n. pakizevand h. hoveidi m. taghiof s. tavangari

an ion imprinted polymer (iip) based on aniline-formaldehyde was synthesized and then modified with extra aniline as cross-linker in the presence and absence of sr (ii) as the template to produce ion imprinted poly(aniline-formaldehyde) (iipaf) and non imprinted poly(aniline-formaldehyde) (nipaf). the sorbent was characterized by fourier transform infrared spectroscopy and was used for solid ph...

Journal: :iran agricultural research 2012
d. zare m. ranjbaran m. niakousari m. javidi

a fully instrumented air conditioning laboratory unit capable of controlling drying air temperature and humidity integrated with an instantaneous weighing thin layer drying system was used to investigate the thin layer drying behavior and desorption equilibrium moisture content of canola (brassica napus l.). to this aim, freshly harvested canola samples with moisture content of about 12±0.5% (d...

Journal: :Mathematical Social Sciences 2009
Klaus Ritzberger

The Bertrand paradox holds that price competition among at least two firms eliminates all profits in equilibrium, when firms have identical constant marginal costs. This assumes that the number of competitors is common knowledge among firms. If firms are uncertain about the number of their competitors, there is no pure strategy equilibrium. But in mixed strategies an equilibrium exists. In this...

Journal: :journal of the iranian chemical research 0
valeri jordanov department of general and inorganic chemistry, university of chemical technology and metallurgy, 8 kliment okhridski blvd., 1756 sofia, bulgaria

the extraction of gadolinium (gd) from perchlorate and nitrate media in 1,2-dichloroethane(c2h4cl2), carbon tetrachloride (ccl4) and chloroform (chcl3) by mixtures of 2-thenoyltrifluoroacetone (htta) and a crown ether benzo-15-crown-5 (b15c5) is investigated.the composition of the extracted species is determined as gd(tta)3.nb15c5 (n=1 in nitratemedium and n=2 in perchlorate medium). the values...

Despite the simplicity of the hexagonal graphene structure formed by carbon atoms, the electronic behavior shows fascinating properties, giving high expectation for the possible applications of graphene in the field. The Graphene Nano-Ribbon Field Effect Transistor (GNRFET) is an emerging technology that received much attention in recent years. In this paper, we investigate the device performan...

A. Ghoorchian M.H. Ghorbani R. Fazaeli

In this work, we investigated the stability of Molybdate-Phosphonic Acid (MPA) complex by density functionaltheory (DFT) computations in six solvents with the dielectric constant ranging from 1.92 to 10.36. The methodsare used for calculations are B3LYP and B3PW9 I that have been studied in two series of basis sets: D95nand6-31+G (d,p) for hydrogen and oxygen atoms; LANL2DZ for Mo and Phosphoru...

2006
Santanu Bandyopadhyay

In 1938, Smoker proposed an analytical closed form formula to calculate the number of stages in a binary distillation column. The equation assumes constant relative volatility and constant molar overflow. For many mixtures, it is practical to assume constant relative volatility. However, the latent heat of vaporization of the different components are generally not equal and hence, the analytica...

Journal: :Soft matter 2016
Xuzhu Zhang Andrzej Poniewierski Aldona Jelińska Anna Zagożdżon Agnieszka Wisniewska Sen Hou Robert Hołyst

The equilibrium and rate constants of molecular complex formation are of great interest both in the field of chemistry and biology. Here, we use fluorescence correlation spectroscopy (FCS), supplemented by dynamic light scattering (DLS) and Taylor dispersion analysis (TDA), to study the complex formation in model systems of dye-micelle interactions. In our case, dyes rhodamine 110 and ATTO-488 ...

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