• Upon adjusting the model parameters ε and σ to real substance properties, the Lennard-Jones potential can be used to describe simple substance (like noble gases) with good accuracy. (wikipedia.org)
  • Properties of ideal gases and real fluids will be derived from Equations of State and applied in the analysis of simple flow processes. (queensu.ca)
  • Properties of gases. (uninsubria.eu)
  • UMR-PRU has been successfully applied for predicting dew points, liquid dropouts and thermodynamic properties of natural gas and other petroleum fluids, as well as their phase equilibria with water, glycols, acid gases and mercury. (colan.org)
  • The focus is on the phase equilibria of systems which are of industrial relevance, e. g., mixtures containing hydrogen fluoride (production of refrigerants), aqueous solutions of surfactants (enhanced oil recovery), carbon dioxide capture (CCS from flue gases), and hydrogen bonded liquid crystals (optical devices). (thomasyoungcentre.org)
  • The type of dosimetric adjustment factor ( DAF) applied had to span the range of physicochemical characteristics of the gases listed on the Clean Air Act Amendments in 1991 as hazardous air pollutants (HAPs) and accommodate differences in available data with respect to their toxicokinetic properties. (cdc.gov)
  • Water-hydrocarbon phase behavior, hydrates, etc. (petroskills.com)
  • The dissolution of actinide and lanthanide oxides in ionic liquid media and the electrochemical behavior of the resultant solutions are discussed in this paper. (hindawi.com)
  • Quantum condensed matter physics studies the collective behavior of interacting quantum objects (such as atoms, electrons, and photons) and the resultant new phases of matter. (umass.edu)
  • Research at Mathematical Physics in this area concerns novel types of few- and many-body quantum systems with cold atoms at the crossover between microscopic and "thermodynamic" behavior, studying precursors of phase transitions and hitherto unknown states of quantum matter in finite quantum systems. (lu.se)
  • We investigated the temperature dependence of the intermolecular vibrational dynamics of pyrrolidinium-based ionic liquids (ILs) with 10 different anion species using femtosecond Raman-induced Kerr effect spectroscopy. (acs.org)
  • This process depends on the general physico-chemical features of the cargo membrane protein and on the interactions of these features with the collective properties of the bilayer, instead of the one-to-one intermolecular interactions that exist between discrete signals and their receptors. (biologists.com)
  • The research program is focused on intermolecular interactions and their manifestations in a liquid environment. (lu.se)
  • This paper deals with the current status of the electrochemical research aimed at the recovery of actinides and fission products using room-temperature ionic liquid as medium. (hindawi.com)
  • For such applications, it is desirable to use an ionic liquid that has good solubility of actinides, excellent thermal and radiation stability, and wide electrochemical window with extended cathodic stability. (hindawi.com)
  • This book provides a comprehensive overview of ionic liquid based separation techniques. (routledgehandbooks.com)
  • The overriding goal of this work is to provide pathways for leading engineers and researchers toward a clear understanding and firm grasp of the phase equilibria of Ionic Liquid systems. (routledgehandbooks.com)
  • These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). (jove.com)
  • From the data, accurate water/surfactant compositions vs. temperature phase diagrams are obtained. (lu.se)
  • covers fundamental concepts of quantum mechanics: wave properties, uncertainty principles, Schrödinger equation, and operator and matrix methods. (martindalecenter.com)
  • Harold Urey's equally seminal contribution was his classic paper "The thermodynamic properties of isotopic substances", also published in 1947, in which he calculated the equilibrium separation factors for isotopes of the light elements in chemical reactions and solid-liquid-vapor phase equilibria, based on quantum mechanics and spectroscopic data on isotopic molecules. (balzan.org)
  • The database has verified data for fatty acids, acylglycerols, fatty esters, fatty alcohols, vegetable oils, biodiesel and minor compounds as phospholipids, tocopherols, sterols, carotene and squalene, together with a user friendly interface that allows an easy search/retrieve of the data (pure component and mixture properties). (dtu.dk)
  • High thermal stability and anisotropic molecular orientation enhances the performance of vapor-deposited organic semiconductors, but controlling these properties is a challenge in amorphous materials. (wisconsin.edu)
  • Electric, magnetic and optical properties of compounds and materials, methods of atomic and molecular spectroscopy. (cuni.cz)
  • Topics include classical interatomic potentials and machine learning methods, quantum first-principles electronic structure models based on wave functions and density functional theory, Monte Carlo sampling and molecular dynamics simulations of phase transitions and free energies, fluctuations and transport properties. (harvard.edu)
  • They comprise a variety of systems that are readily deformed by thermal or mechanical stress and whose properties emerge from organization at size scales between molecular and macroscopic. (umass.edu)
  • However, conventional thermodynamic models, such as a volumetric equation of state (EOS) that relates the pressure, volume, temperature and composition (PVTx) of a fluid, do not include such molecular details when describing thermodynamic properties and phase equilibria. (confex.com)
  • This novel method can be very useful for the prediction of thermodynamic properties of fluids with explicit inclusion of molecular conformations. (confex.com)
  • Use patented methods to characterize polymer properties and molecular-weight distributions. (aspentech.com)
  • A molecular description of matter is the key to understanding and predicting the properties of dense fluids and materials. (thomasyoungcentre.org)
  • The theoretical component (7.5 credits) deals with surface and colloid chemistry from a molecular physicochemical perspective The key topics comprise the self-association of amphiphilic molecules, polymers in colloidal systems, phase equilibria in solutions, interface phenomena, electrostatic exchange in colloidal systems and forces between macro and mesoscopic surfaces separated by a liquid phase. (lu.se)
  • They have several attractive properties suitable for industrial exploitation such as insignificant vapour pressure, large liquidus range, good electrical conductivity and thermal stability, wide electrochemical window, and amazing ability to dissolve organic and inorganic compounds In view of this, RTILs are being explored for various applications [ 7 - 13 ]. (hindawi.com)
  • Hence, many studies have been carried out on liquid-liquid equilibrium (LLE) for ternary systems containing biodiesel + glycerol + alcohol. (ac.ir)
  • 10] Negi DS, Sobotka F, Kimmel T, Wozny G, Schomäcker R. Liquid− liquid phase equilibrium in glycerol− methanol− methyl oleate and glycerol− monoolein− methyl oleate ternary systems. (ac.ir)
  • The kinetic hindrances in crystallization are advantageously used to induce transient liquids, i.e., liquids that do not exist in the equilibrium ternary phase diagram for such compositions. (nature.com)
  • Matter 3, 111 (1991)] to study the vapor-liquid phase equilibria and planar interfacial properties of quadrupolar fluids. (unl.edu)
  • It is also found that the bulk-phase properties of the quadrupolar fluids satisfy the law of correspondence states. (unl.edu)
  • We have a broad range of interests and expertise including low dimensional materials, quantum fluids, topological phases, spin liquids, quantum Monte Carlo techniques, non-equilibrium quantum dynamics, superconducting qubits, trapped ion qubits, and quantum error correction. (umass.edu)
  • Chemical, Physical and Thermal Properties of Ammonia. (engineeringtoolbox.com)
  • Chemical, physical and thermal properties of benzene, also called benzol. (engineeringtoolbox.com)
  • The course aims to provide the basis for the comprehension of the macroscopic properties of matter, starting from structure and chemical-physical properties of atoms and molecules. (uninsubria.eu)
  • The conformation distribution of flexible molecules may have a significant influence on its physical properties and phase behaviors. (confex.com)
  • A study of the physical properties of matter, the structure of matter and the theories of chemical interactions. (laroche.edu)
  • Gain consistent, reliable process design results across your organization with state-of-the-art physical property data. (aspentech.com)
  • When matter changes states, its physical properties also change. (teachengineering.org)
  • The method combines knowledge from industrial practice and physical insights with computer-aided property estimation tools for selection/design of solvents. (dtu.dk)
  • It can be found as the threshold moisture content above which physical wood properties do not change significantly with moisture content. (lu.se)
  • Such dimensional changes as well as other physical wood properties and fundamental wood-water interactions can be altered by chemical modification of wood. (lu.se)
  • The interest is spurred by the possibility to experimentally create quantum systems with very unusual physical properties, allowing new insight into fundamental theoretical questions. (lu.se)
  • In total, there are 240 different pure compounds, 229 different phase equilibrium systems (72 VLE, 85 LLE, 72 SLE), 63 solid solubility systems, and around 4500 data points on phase equilibria. (dtu.dk)
  • Meanwhile, a balance between surface and interfacial forces creates an equilibrium that favors a liquefied shell. (acs.org)
  • Application of UNIFAC models for prediction of vapor-liquid and liquid-liquid equilibria relevant to separation and purification processes of crude biodiesel fuel. (ac.ir)
  • Our results show that this approach provides not only an accurate prediction for the vapor-liquid equilibrium of pure (DCE) and its mixture with other chemicals, but also a quantitative description of conformation distribution of DCE in these systems. (confex.com)
  • Other important use for the data and analysis is in property model development for correct and consistent property prediction. (dtu.dk)
  • A database for pure components (lipids) present in these processes and mixtures properties has been developed and made available for different applications (model development, property verification, property prediction, etc. (dtu.dk)
  • In this work, we proposed a novel multiscale approach that provide quantitative predictions of phase behaviors for mixtures involving conformationally flexible species. (confex.com)
  • We report on a transient liquid assisted growth process capable of achieving ultrafast growth rates (100 nm s −1 ) and high critical current densities (5 MA cm −2 at 77 K). This is based on the kinetic preference of Ba-Cu-O to form transient liquids prior to crystalline thermodynamic equilibrium phases, and as such is a non-equilibrium approach. (nature.com)
  • The category scheme (Table 1) allowed special cases to be isolated from a generalized model structure of mass transport (Figure 1) based on an eval- uation of its physicochemical and toxicological properties. (cdc.gov)
  • A systematic numerical analysis is employed to determine the needs of phase equilibria and related properties in processes such as Deodorization, Dry Fractionation, Solvent Extraction and Biodiesel Production. (dtu.dk)
  • Module Objective: To establish the connection between real production processes and vapor liquid equilibrium calculation. (psu.edu)
  • Properties of air change along the boiling and condensation curves (temperature and pressure between triple point and critical point conditions). (engineeringtoolbox.com)
  • Figures and tables showing how the properties of liquid and gaseous ammonia changes along the boiling/condensation curve (temperature and pressure between triple point and critical point conditions). (engineeringtoolbox.com)
  • In the region beyond the critical point no pressure or temperature change can convert a supercritical fluid to a gas or liquid. (jove.com)
  • The uncertainties in saturated liquid density are 0.05%, except for very near the critical point. (nist.gov)
  • Thermodynamic property model of a partially miscible CO2-PAG68 mixture, 10th Conference on Ammonia and CO2 Refrigeration Technologies, Ohrid, 27. (tu-braunschweig.de)
  • A thermodynamic property formulation for dimethyl ether has been developed based on a selection of experimental thermodynamic property data. (nist.gov)
  • API expresses the gravity or density of liquid petroleum products. (engineeringtoolbox.com)
  • Online calculators, figures and tables showing density and specific weight of liquid and gaseous butane, C 4 H 10 , at varying temperarure and pressure, SI and Imperial units. (engineeringtoolbox.com)
  • Properties of matter can be measured in various ways, including volume, mass, density and temperature. (teachengineering.org)
  • The formulation includes a fundamental equation, a vapor pressure equation, and saturated density equations for liquid and vapor states. (nist.gov)
  • In determining the coefficients of the equation of state, multi-property fitting methods were used that included single-phase pressure-density-temperature (pρT), heat capacity, vapor pressure, and saturated density data. (nist.gov)
  • The uncertainties of the equation of state in density are 0.1% in the liquid phase and 0.3% in the vapor phase. (nist.gov)
  • At 1,127 K, the thermodynamic stability for the invariant three-phase equilibrium consisting of a saturated liquid, Al3Ni, and Al3Ni2 has been uniquely defined by an activity for aluminum of 0.751. (cdc.gov)
  • 26 According to another study, the risk of mercury is due to various factors ranging from the underestimation of the exact levels of mercury to lack of routine protocols for the monitoring, detection, and quantification of the contaminant particularly in liquid hydrocarbons. (researchgate.net)
  • Chemical equilibrium (kinetic approach, Guldberg´s -Waage´s law, equilibrium constant, reaction mixture composition and its dependence on reaction conditions). (cuni.cz)
  • Carbon dioxide can exist as a solid, liquid, or gas under specific temperatures and pressures. (jove.com)
  • The lines or curves that separate the regions denote the temperatures and pressures at which the phases on either side of the curve are in equilibrium. (jove.com)
  • The equation of state has been developed to conform to the Maxwell criterion for two-phase liquid-vapor equilibrium states, and is valid for temperatures from the triple point temperature to 550 K, with pressures up to 50 MPa and densities up to 19 mol/dm3. (nist.gov)
  • This relation is commonly depicted in sorption isotherms that plot the equilibrium moisture content as function of relative humidity for specific, constant temperatures. (lu.se)
  • When brought to sufficiently low temperatures, a dilute gas of bosonic atoms may undergo a phase transition to a Bose-Einstein condensate (BEC), bringing microscopic quantum effects onto a macroscopic scale. (lu.se)
  • Interacting colloid particles, phase behaviour, crystals and glasses. (bath.ac.uk)
  • phase behaviour, optical properties. (bath.ac.uk)
  • Furthermore, the transition of a species in different conformations are considered as chemical reactions with the equilibrium constant determined from the G4 method. (confex.com)
  • One quarter organic chemistry: Structure and bonding, functional groups and drawing of structures of organic compounds, nomenclature, isomerism, introductory stereochemistry, introduction to chemical reactions and chemical properties of organic compounds. (up.ac.za)
  • Equilibria between vapour, liquid and/or solid phases, pure component properties and also the mixture-phase properties are necessary for synthesis, design and analysis of different unit operations found in the production of edible oils, fats and biodiesel. (dtu.dk)
  • The DPF is solution in the form of emulsion droplets, the (metastable) liquid state can be maintained down to the homogeneous nucleation temperature (13,14). (lu.se)
  • It combines CSD using non-fluorinated precursors and a non-equilibrium process grounded on transient liquids, originating an ultrafast growth approach: Transient Liquid-Assisted Growth based on CSD (TLAG-CSD). (nature.com)
  • Using thermodynamic principles, the general relationship describing the equilibrium vapor content in the gas phase above a saline liquid and across a curved liquid-gas interface is developed. (oregonstate.edu)
  • Kinetics and mechanisms of the gas-phase reactions of the hydroxyl radical with organic compounds under atmospheric conditions. (cdc.gov)
  • A study of the classification and characterization of organic compounds, their preparation, properties and reactions. (laroche.edu)
  • The current method is applicable only to organic reactions occurring in the liquid phase. (dtu.dk)
  • Once the necessary parameters are obtained from different simulations, subsequent phase equilibrium predictions can be achieved within milliseconds. (confex.com)
  • At pressures below 5.1 atm, if the temperature of solid carbon dioxide is raised, it will directly transition to the gaseous phase without passing through the liquid form. (jove.com)
  • Interestingly, these materials showed better or comparable thermal properties (e.g. glass transition temperature) than their fossil based counterparts, which can be simply tuned by changing the chain length of PEG segments and also by incorporating or not) rigid isosorbide moieties. (ua.pt)
  • In this work, based on previous experimental data, the UNIQUAC and NRTL thermodynamic models were used to forecast the composition of the phases. (ac.ir)
  • An ammonia phase diagram are included. (engineeringtoolbox.com)
  • Determination and evaluation of thermodynamic properties of a refrigeration oil with CO2 (Daniel Plot), 10th Conference on Ammonia and CO2 Refrigeration Technologies, Ohrid, 27. (tu-braunschweig.de)
  • Her current research focuses on the properties of concentrated protein solutions with a particular interest in protein dynamics under crowded conditions. (lu.se)
  • the attractive dispersive interactions act stabilizing for the condensed phase, especially the vapor-liquid equilibrium. (wikipedia.org)
  • The Bureau of Mines studied thermodynamic properties of al-ni alloys containing 0.54 to 30.04 atomic percent nickel with the aid of the high-temperature galvanic cell Al(1) // Al+3 (AlCl3 in NaCl.KCl) // Al-Ni alloy (l or s). (cdc.gov)
  • 8] Hakim M, Abedini Najafabadi H, Pazuki G, Vossoughi M. Novel Approach for Liquid-Liquid Phase Equilibrium of Biodiesel (Canola and Sunflower)+ Glycerol+ Methanol. (ac.ir)
  • For instance, the melting temperature of NaCl is 1074 K and that of 1-butyl-3-methylimidazolium chloride (bmimCl) is 343 K. Such organic salts are known as room-temperature ionic liquids (RTILs). (hindawi.com)
  • Hygroscopicity of sub-10 nm organic nanoparticles and their concentration-dependent thermodynamic properties (e.g., water activity) in the highly supersaturated concentration range are, however, scarcely available. (copernicus.org)
  • The results are also compared with previous results from models used to describe the equilibrium properties of the system H3PO4-H2O. (hal.science)
  • describe the principal structural and relaxational properties of solid, liquid, and soft matter glasses in terms of simple models. (bath.ac.uk)
  • Quantum information science studies the design and manipulation of composite quantum systems to exploit their superposition and entanglement properties for information technology. (umass.edu)
  • Selecting different substrates could give researchers a new dimension of control to tailor the properties of dual-phase nanoparticles for catalytic systems and optoelectronic devices. (acs.org)
  • The performance of selected models for pure component properties as well as mixture properties when applied to systems containing lipids will be highlighted. (dtu.dk)
  • In the recent past, room-temperature ionic liquids (RTILs) are being explored for possible applications in nuclear fuel cycle. (hindawi.com)
  • Some of the cations and anions used to form room-temperature ionic liquids. (hindawi.com)
  • In the recent past, room-temperature ionic liquids are receiving increased attention for possible electrochemical applications in the area of nuclear fuel reprocessing and waste management. (hindawi.com)
  • Although this balance stands up to large changes in temperature, it is upset by changing the chemical and mechanical properties of the substrate, the team shows. (acs.org)
  • Regions represent the temperature and pressure conditions for a single phase. (jove.com)
  • A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. (jove.com)
  • Nitrogen dioxide is a colorless to brown liquid at room temperature and a reddish-brown gas above 70°F poorly soluble in water. (cdc.gov)
  • The purpose of the project is to study Backahill's properties within a defined geographical area and evaluate the properties' exposure to climate threats in terms of temperature, wind, water (rising sea level, high flows, precipitation and torrential rain) and land (for example if there is a risk of landslides, landslides or erosion in the area). (lu.se)
  • Effect on electronic, optical and mechanical properties. (bath.ac.uk)
  • Trapped BCE's have given access to a broad range of new and exciting quantum phenomena, both in and out of equilibrium. (lu.se)
  • liquid phase compositions and densities. (scirp.org)