Academic literature on the topic 'Molecules|Condensation'

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Journal articles on the topic "Molecules|Condensation"

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Jochim, S. "Bose-Einstein Condensation of Molecules." Science 302, no. 5653 (2003): 2101–3. http://dx.doi.org/10.1126/science.1093280.

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Khare, Richa, Divyakshi Agarwal, Monika Kamboj, Smriti Khare, and Rishab Singh. "Diesters Compound Intramolecular Condensation and Its Applications." International Journal for Research in Applied Science and Engineering Technology 10, no. 9 (2022): 233–40. http://dx.doi.org/10.22214/ijraset.2022.46597.

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Abstract: Diesters are important synthetic tools for many biologically active compounds. Dieckmann condensation is an important organic reaction. This reaction is generally used in the formation of larger molecules and form new carbon -carbon bond. Condensation reaction is important for the formation of biological molecules. Dieckmann condensation reaction is named after a German chemist Walter Dieckmann. Dieckmann condensation reaction is intramolecular organic reactions of diesters with base and give β-keto esters. Dieckmann condensation is equivalent to intramolecular claisen condensation r
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NAGAYAMA, Gyoko, Masaki TAKEMATSU, and Takaharu TSURUTA. "Condensation/ Evaporation Coefficient of Chain Molecules." TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 79, no. 806 (2013): 2149–59. http://dx.doi.org/10.1299/kikaib.79.2149.

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Bryk, Paweł, Orest Pizio, and Stefan Sokolowski. "Capillary condensation of short-chain molecules." Journal of Chemical Physics 122, no. 19 (2005): 194904. http://dx.doi.org/10.1063/1.1898484.

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Kobayashi, Kazumichi, Takahiro Nagayama, Masao Watanabe, Hiroyuki Fujii, and Misaki Kon. "Molecular gas dynamics analysis on condensation coefficient of vapour during gas–vapour bubble collapse." Journal of Fluid Mechanics 856 (October 12, 2018): 1045–63. http://dx.doi.org/10.1017/jfm.2018.722.

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This study investigates the influence of the condensation coefficient of vapour on the collapse of a bubble composed of condensable gas (vapour) and non-condensable gas (NC gas). We simulated vapour and NC gas flow inside a bubble based on the molecular gas dynamics analysis in order to replicate the phase change (viz., evaporation and condensation) precisely, by changing the initial number density ratio of the NC gas and vapour, the initial bubble radius and the value of the condensation coefficient. The results show that the motion of the bubble is unaffected by the value of the condensation
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Tarafdar, S. P. "Condensation and Molecular Abundances in Stellar Atmospheres." Symposium - International Astronomical Union 120 (1987): 559–64. http://dx.doi.org/10.1017/s0074180900154622.

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Equilibrium calculation containing 211 species of 22 elements has been used to study the effect of condensation on molecular abundances as a function of temperature (T) and pressure (P). The condensation of 162 species are tested and 65 species in solar composition and 64 in a C-rich composition have been found to condense. The calculations show the expected result that the abundances of molecules containing condensable elements like Si, Al, Mg, Fe, Zr and Ti in solar composition and C together with above elements in carbon rich composition reduce significantly with condensation. Surprisingly,
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Tabe, Hirofumi, Kazumichi Kobayashi, Hiroyuki Fujii, and Masao Watanabe. "Molecular dynamics study on characteristics of reflection and condensation molecules at vapor–liquid equilibrium state." PLOS ONE 16, no. 3 (2021): e0248660. http://dx.doi.org/10.1371/journal.pone.0248660.

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The kinetic boundary condition (KBC) represents the evaporation or condensation of molecules at the vapor–liquid interface for molecular gas dynamics (MGD). When constructing the KBC, it is necessary to classify molecular motions into evaporation, condensation, and reflection in molecular-scale simulation methods. Recently, a method that involves setting the vapor boundary and liquid boundary has been used for classifying molecules. The position of the vapor boundary is related to the position where the KBC is applied in MGD analyses, whereas that of the liquid boundary has not been uniquely d
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Wang, Yanwei, Shiyong Ran, Baoyuan Man, and Guangcan Yang. "Ethanol induces condensation of single DNA molecules." Soft Matter 7, no. 9 (2011): 4425. http://dx.doi.org/10.1039/c0sm01251c.

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Gong Lu-Yuan, Wei Xin-Ding, Han Tao, Guo Ya-Li, and Shen Sheng-Qiang. "Molecular Dynamics study on the influence of Geometric characteristics of microstructure Surfaces on Steam condensation." Acta Physica Sinica 74, no. 14 (2025): 0. https://doi.org/10.7498/aps.74.20250324.

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Steam condensation is a common physical phenomenon in nature and plays an important role in various industrial processes. Therefore, the regulation mechanism of steam condensation process has been widely concerned by scholars in recent years. In this paper, the molecular dynamics simulation method is used to study the vapor condensation behavior of copper surface by constructing a secondary microstructure model. The influence of different geometrical characteristics on the condensation process was discussed by analyzing the nucleation and merging time of droplets, the vapor condensation snapsh
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Naik, Ravi S. "Synthesis and Spectral Studies of Hydantoin Derivativatives of Imidazo [2,1-b][1,3,4] Thiadiazoles." International Journal for Research in Applied Science and Engineering Technology 10, no. 2 (2022): 1270–71. http://dx.doi.org/10.22214/ijraset.2022.40510.

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Abstract: The present article describes the synthesis of Imidazo[2,1-b][1,3,4]thiadiazoles bearing pharmacologically important hydantoin molecules. To synthesize the targeted molecules several imidazothiadiazoles were prepared by condensation of 2- Amino-5-(4-fluorobenzyl)-1,3,4thiadiazole with phenacyl bromides. Which were subsequently subjected to Knoevenagel condensation to afford the hydantoin derivatives. Structures of newly synthesized molecules were confirmed by IR, NMR and Mass spectral studies. Keywords: Thiadiazole, Imidazothiadiazole, hydantoin, Vilsmeier Haack reaction
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Dissertations / Theses on the topic "Molecules|Condensation"

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Wang, Wei. "Computational Spectroscopic Analysis of Orbital Hybridization and Crystal Field Interaction for Trivalent Uranium Ion in Crystals of Hexagonal Symmetry." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1258479110.

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Wynar, Roahn Helden. "Ultra-cold molecules in an atomic Bose-Einstein condensate /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004403.

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Lacy, Stephen Michael. "Redox-active cyclophane host molecules for the inclusion of cationic and neutral guest species." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333410.

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Fuchs, Jürgen Markus Walter. "Molecular Bose-Einstein condensates and p-wave Feshbach molecules of 6Li2." Swinburne Research Bank, 2009. http://hdl.handle.net/1959.3/52580.

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Thesis (PhD) - Swinburne University of Technology, Centre for Atom Optics and Ultrafast Spectroscopy, 2009. Thesis (PhD) - Australian Research Council, Centre of Excellence for Quantum-Atom Optics, 2009.<br>Thesis submitted for the degree of Doctor of Philosophy, Centre for Atom Optics and Ultrafast Spectroscopy, and, ARC Centre for Quantum-Atom Optics, Swinburne University of Technology, 2009. Typescript. Bibliography: p. 131-149.
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Comparat, Daniel. "EXPERIENCES AVEC DES ATOMES DE RYDBERG ET DES MOLECULES ULTRA-FROIDS." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00343528.

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Rakotozafy, Samuel. "Étude de films mixtes formés par physisorption sur les plans de base du graphite de deux adsorbats de propriétés de condensation très différentes : transition de déplacement : solutions bidimensionnelles." Nancy 1, 1993. http://www.theses.fr/1993NAN10226.

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L'étude thermodynamique, effectuée entre 77 et 84 k, du déplacement par adsorption de krypton d'une couche de cyclohexane pré-déposé sur graphite a permis de déterminer la température critique de déplacement, soit 80,5 k. L'étude du film mixte dichloromethane-xenon (ch#2cl#2-xe) adsorbé sur graphite a pour préalable celle du film pur de ch#2cl#2 sur le même substrat, caractérisé par volumétrie d'adsorption entre 180 et 217 k, et par diffraction de neutrons entre 110 et 170 k. Ch#2cl#2 formé sur le graphite une seule couche monomoléculaire dense de structure rectangulaire centree commensurable
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Liu, Shulan. "Brownian dynamics simulation of polymer and polyelectrolyte solutions." 2003. https://scholarworks.umass.edu/dissertations/AAI3110525.

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Modern theories of polymer solutions are highly successful in describing the physical properties of polymers. However, they encounter enormous difficulty when the system involves long range interactions, such as Coulomb and hydrodynamic interactions. Complexity usually arises from coupling between these interactions and the long polymer chain. In this thesis, I illustrate aspects of these complicated systems by using computer modeling techniques. For charged systems, I have been mainly interested in two physical aspects, the so-called counterion condensation and the conformational properties o
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Cheng, Yu-Kun, and 鄭育昆. "Using Molecular Dynamics Simulation of Condensation Nuclei and Water Molecules of Adsorbed Behavior." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/66094794593079624219.

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碩士<br>國防大學理工學院<br>大氣科學碩士班<br>100<br>Cloud seeding is the primary way to artificially influence weather. The process may alter the features of cloud, fog and precipitation. The catalyst used in cloud seeding is different due to the characteristics of materials. The nucleation plays a very important role for understanding the features of microphysics and cloud physics. The study analyzes the microscopic characteristic of molecules and atoms that grasp the condensation nuclei adsorption properties effectively by applying molecular dynamics (MD) model. This simulating research examines the concept
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Ryu, Changhyun. "Photoassociation experiments on ultracold and quantum gases in optical lattices." Thesis, 2004. http://hdl.handle.net/2152/1254.

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Ryu, Changhyun Heinzen Daniel J. "Photoassociation experiments on ultracold and quantum gases in optical lattices." 2004. http://wwwlib.umi.com/cr/utexas/fullcit?p3143461.

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Books on the topic "Molecules|Condensation"

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Cold Atoms And Molecules A Testground For Fundamental Many Particle Physics. Wiley-VCH Verlag GmbH, 2009.

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Rau, Jochen. Perfect Gas. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199595068.003.0006.

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The perfect gas is perhaps the most prominent application of statistical mechanics and for this reason merits a chapter of its own. This chapter briefly reviews the quantum theory of many identical particles, in particular the distinction between bosons and fermions, and then develops the general theory of the perfect quantum gas. It considers a number of limits and special cases: the classical limit; the Fermi gas at low temperature; the Bose gas at low temperature which undergoes Bose–Einstein condensation; as well as black-body radiation. For the latter we derive the Stefan–Boltzmann law, t
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McAfee, Lyle Vernon. Cocondensation products of molybdenum trioxide with water, carbon disulfide, and various small organic molecules. 1985.

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(Editor), Fatkhulla Abdullaev, and Vladimir V. Konotop (Editor), eds. Nonlinear Waves: Classical and Quantum Aspects (NATO Science Series II: Mathematics, Physics and Chemistry). Springer, 2004.

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Anders, André. Cathodic Arcs: From Fractal Spots to Energetic Condensation. Springer, 2010.

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Cathodic arcs: From fractal spots to energetic condensation. Springer, 2008.

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Book chapters on the topic "Molecules|Condensation"

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Wang, Pengyu, and Zhong Chen. "Vapor Condensation Under Electric Field: A Study Using Molecular Dynamics Simulation." In Supercomputing Frontiers. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-10419-0_2.

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AbstractThe condensation of water vapor on the substrate surface under electric field is studied by molecular dynamics simulation, and a series of behaviors of water molecules during condensation were studied, such as nucleation, growth and coalescence. In the process of condensation, there will be some small clusters, whose size increases with the increase of time, and under the action of the movement of water molecules in vapor, the clusters move irregularly on the substrate surface and coalesced into larger clusters. And the droplets will be stretched along the direction of the electric fie
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Sedlmayr, Erwin. "Circumstellar Dust Condensation Scenarios." In Dust and Molecules in Evolved Stars. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1307-8_13.

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Thomas, G. J., J. M. Benevides, J. Duguid, and V. A. Bloomfield. "Roles of Cations in the Structure, Stability and Condensation of DNA." In Fifth International Conference on the Spectroscopy of Biological Molecules. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1934-4_14.

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Sone, Yoshio, Taku Ohwada, and Kazuo Aoki. "Evaporation and condensation of a rarefied gas between its two parallel plane condensed phases with different temperatures and negative temperature-gradient phenomenon — Numerical analysis of the boltzmann equation for hard-sphere molecules —." In Lecture Notes in Mathematics. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/bfb0091368.

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Clifford, Tony. "A single substance as a supercritical fluid." In Fundamentals of Supercritical Fluids. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198501374.003.0001.

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Abstract When two molecules approach each other in a fluid, at a temperature where their relative speed is likely to be low, their mutually attractive forces will bring about a temporary association between them. If there is a sufficient density of molecules, there is the possibility of condensation to a liquid. On the other hand, if the temperature and the probable relative speeds are high, the attractive force will be too weak to have more than a slight effect on the molecular velocities, and condensation cannot occur however high the molecular density. It is therefore reasonable to expect,
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"Adsorption, Phase Behaviour and Dynamics of Surface Layers and in Pores." In Nanoscopic Materials: Size-Dependent Phenomena and Growth Principles, 2nd ed. The Royal Society of Chemistry, 2014. http://dx.doi.org/10.1039/bk9781849739078-00179.

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For crystalline porous materials, and for materials of large surface area in general, adsorption of gas and condensation in pores play an important role. First, these phenomena provide an excellent method for the characterisation of the surface area, the pore structure and pore volume of these materials, which are important in catalysis, gas separation, hydrogen storage, and in energy applications. Second, porous materials have interesting fundamental aspects. The phase transitions are shifted so that the condensation temperature of wettable surfaces is higher in pores but the freezing point i
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Atkins, Peter, Julio de Paula, and David Smith. "Physical change." In Elements of Physical Chemistry. Oxford University Press, 2016. http://dx.doi.org/10.1093/hesc/9780198727873.003.0010.

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This chapter describes physical change, in which one form of a substance changes into another form of the same substance. The conversion of one phase of a substance to another phase is called a phase transition. Most phase transitions are accompanied by a change of enthalpy because the rearrangement of atoms or molecules usually requires or releases energy. The chapter then looks at vaporization, fusion, condensation, freezing, sublimation, and vapour deposition. Some enthalpy changes often needed in chemistry are those accompanying changes to individual atoms and molecules. Among the most imp
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Brandt, Siegmund. "Bose–Einstein Condensation of Atoms (1995)." In The Harvest of a Century. Oxford University PressOxford, 1992. http://dx.doi.org/10.1093/oso/9780199544691.003.0100.

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Abstract Einstein used double quotes on two words, because in the concept of an ideal gas there is no interaction between its constituents, whereas condensation and saturation are properties of a real gas of interacting atoms or molecules. The ‘interaction’ bringing about Bose–Einstein condensation is the symmetry requirement for multi-particle wave functions of bosons, sometimes called exchange force (see page 176). For this to become effective, the wave functions of individual bosons have to overlap, i.e., the average (or thermal ) de Broglie wavelength of the bosons has to be on the order o
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Crowe, Jonathan, and Tony Bradshaw. "Reaction mechanisms: the chemical changes that drive the chemistry of life." In Chemistry for the Biosciences. Oxford University Press, 2021. http://dx.doi.org/10.1093/hesc/9780198791041.003.0013.

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This chapter examines four key reaction mechanisms: substitution, addition, elimination, and condensation. During substitution, an atom or group of atoms from one reactant is substituted for an atom or group of atoms on a second reactant molecule. Substitution may be electrophilic or nucleophilic, depending on the nature of the molecule that changes as a result of the reaction. During an addition reaction, two molecules combine in such a way that the product contains all the atoms of both reactants. By contrast, during an elimination reaction, a reactant loses some of its component atoms; thes
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Bunker, Bruce C., and William H. Casey. "The Hydrolysis Products: Soluble Multi-cation Clusters." In The Aqueous Chemistry of Oxides. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780199384259.003.0010.

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The term hydrolysis describes the acid–base reactions that remove protons from hydrated metal cations. This word derives from two Greek words: hydro, meaning “water,” and lysis, meaning “to loosen.” Hydrolysis provides two mechanisms for converting one soluble metal complex into another. First, hydrolysis converts coordinated water molecules into coordinated hydroxo- and oxo-anions. For isolated monomers, the extent of hydrolysis depends on cation charge, cation coordination number, and pH (see Chapter 4). For example, as the cation charge increases, complexes can be generated that go from wat
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Conference papers on the topic "Molecules|Condensation"

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Schmitt, Guenter, Marcel Scheepers, and Gerit Siegmund. "Inhibition of the Top-of-the-Line Corrosion under Stratified Flow." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01032.

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Abstract A new method is reported to protect carbon steel pipelines for wet transport of sweet and sour gases from internal corrosion up to the top-of-the line (TOL) by using corrosion inhibitors. The method functions not only at turbulent gas flow but also at stratified flow and even under stagnant conditions. According to the TOL spreading inhibitor concept inhibitor molecules are transported with a spreading liquid film (produced by spreading-active compounds) against the gravity from the bottom-of-the-line (BOL) along the pipe wall to the TOL. The paper describes the universal applicabilit
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Tajallipour, Nima, Patrick J. Teevens, Aymen Rashid, Tesfaalem Haile, and Sridhar Arumugam. "Pipeline Risk Assessment for the Purpose of Internal Corrosion Direct Assessment (ICDA) in a Large Gas Gathering, Transmission, and Distribution System." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02343.

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Abstract In this paper a methodology to assess the risk of internal corrosion for a large gas gathering, transmission and distribution piping network is proposed. Due to the high number of pipelines present in the system, performing internal corrosion direct assessment (ICDA) for all the gas pipelines appears to be unrealistic and unfeasible. Therefore, an approach based on phase-envelope analysis for the transmitted gas is proposed to determine the water carrying capacity of the flow and also to flag pipelines which are susceptible to water condensation and drop-out based on their operational
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Gu, Ling, and Samarendra K. Mohanty. "Ultrafast laser induced condensation of molecules." In SPIE LASE, edited by Alexander Heisterkamp, Joseph Neev, and Stefan Nolte. SPIE, 2011. http://dx.doi.org/10.1117/12.875930.

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Chin, Cheng, Selim Jochim, Markus Bartenstein, et al. "Bose-Einstein condensation of Li2 molecules." In International Quantum Electronics Conference. OSA, 2004. http://dx.doi.org/10.1364/iqec.2004.imi3.

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Stan, Claudiu A., Martin W. Zwierlein, Christian H. Schunck, Sebastian M. F. Raupach, and Wolfgang Ketterle. "Observation of Bose-Einstein condensation of molecules." In International Quantum Electronics Conference. OSA, 2004. http://dx.doi.org/10.1364/iqec.2004.imi4.

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Leduc, Michèle, Julien Dugué, Juliette Simonet, Beverly Karplus Hartline, Renee K. Horton, and Catherine M. Kaicher. "Laser Cooling, Trapping, and Bose-Einstein Condensation of Atoms and Molecules." In WOMEN IN PHYSICS: Third IUPAP International Conference on Women in Physics. AIP, 2009. http://dx.doi.org/10.1063/1.3137904.

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Kunze, Jay F., K. T. S. Islam, and Ernest Nieschmidt. "Isotope Enrichment by Laser Stimulation Causing Condensation Repression." In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22606.

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Sulfur isotopes in SF6 molecules have been enriched, in a laboratory experiment, using tuned laser radiation to excite a particular sulfur isotopic molecule and inhibit its condensation on the cooled annulus inside of the chamber. The evidence of enrichment was determined by examining the residual gas with a Fourier Transform lnfra Red Spectrometer. The enrichment was observed during a transient experiment in which the temperature of the condensing surface was gradually decreased, and gas pressure of the SF6 molecules was in the range of 8 Torr (0.01 atmospheres). These results show that excit
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Bonner, Richard W. "Dropwise Condensation on Surfaces With Graded Hydrophobicity." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88516.

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Dropwise condensation has shown the ability to increase condensation heat transfer coefficients by an order of magnitude over filmwise condensation. In standard dropwise condensation, liquid droplets forming on a sub-cooled nonwetting surface are removed from the surface by gravitational forces when the droplets reach a critical mass. The dependence on gravity for liquid removal limits the utilization of dropwise condensation in low gravity aerospace applications and horizontal surfaces. Presented in this study is a novel passive mechanism to remove droplets from a condensing surface using a s
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Tokunaga, Atsushi, Gyoko Nagayama, and Takaharu Tsuruta. "A Study on Inverted Temperature Profile Based on Nonequilibrium Molecular Dynamics Simulation." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22801.

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Problem of the inverted temperature profile in condensation has been discussed at length in kinetic theory. The possible occurrence of the inverted temperature profile raised serious doubts about the validity of the previous theory, because the result seemed physically unreasonable. In this study, nonequilibrium molecular dynamics (NEMD) simulation with two facing surfaces of evaporation and condensation is carried out in order to obtain further evidence for the occurrence of the inverted temperature profile. Heat and mass transfer rates across the liquid-vapor interface during the condensatio
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Eerkens, Jeff W., Jay F. Kunze, and Leonard J. Bond. "Laser Isotope Enrichment for Medical and Industrial Applications." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89767.

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Use of lasers for isotope separation has been considered for many decades. None of the proposed methods have attained sufficient proof of principal status to be economically attractive to pursue commercially. Some of the authors have succeeded in separating sulfur isotopes using a rather new and different method, known as condensation repression. In this scheme, a gas of the selected isotopes for enrichment is irradiated with a laser at a particular wavelength that would excite only one of the isotopes. The entire gas is subjected to low temperatures sufficient to cause condensation on a cold
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