Academic literature on the topic 'Solvent emission'

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Journal articles on the topic "Solvent emission"

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Wetzler, Diana E., Carlos Chesta, Roberto Fernández-Prini, and Pedro F. Aramendía. "Dynamic solvatochromism in solvent mixtures." Pure and Applied Chemistry 73, no. 3 (2001): 405–9. http://dx.doi.org/10.1351/pac200173030405.

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Solvatochromism and thermochromism of 4-aminophthalimide and 4-amino-N-methylphthalimide were studied by absorption and steady-state and time-resolved emission spectroscopy in solvent mixtures of toluene­ethanol and toluene­acetonitrile at different temperatures. Emission spectra shift to the red upon addition of a polar solvent (PS) to toluene. Solvent mixtures show a much greater thermochromic shift to the blue in emission than the neat solvents. This is explained by the decrease in temperature of the exothermic association of the polar solvent to the excited state. Emission spectra are time
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Hoyle, Charles E., Isaac B. Rufus, and Himanshu Shah. "Solvent effect on the photophysics of bisphenol-A-based polycarbonate and diphenylcarbonate." Canadian Journal of Chemistry 73, no. 11 (1995): 2062–68. http://dx.doi.org/10.1139/v95-254.

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Polycarbonate and diphenylcarbonate exhibit an anomalous fluorescence emission with peak maximum around 350 nm in polar solvents that may be attributed to the association of diarylcarbonate moieties in a polar solvent cage. The red-shifted emission is attributed to intermolecular interactions in polar solvents and intramolecular interactions in polycarbonate. The photophysical behavior of polycarbonate and diphenylcarbonate is different from that of 1,3-diphenylpropane where a red-shifted emission is due to excimers formed by phenyl groups separated by three carbon atoms and is independent of
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Pithan, Phil M., David Decker, Manlio Sutero Sardo, Giampietro Viola, and Heiko Ihmels. "Synthesis and fluorosolvatochromism of 3-arylnaphtho[1,2-b]quinolizinium derivatives." Beilstein Journal of Organic Chemistry 12 (May 2, 2016): 854–62. http://dx.doi.org/10.3762/bjoc.12.84.

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Cationic biaryl derivatives were synthesized by Suzuki–Miyaura coupling of 3-bromonaphtho[1,2-b]quinolizinium bromide with arylboronic acids. The resulting cationic biaryl derivatives exhibit pronounced fluorosolvatochromic properties. First photophysical studies in different solvents showed that the emission energy of the biaryl derivatives decreases with increasing solvent polarity. This red-shifted emission in polar solvents is explained by a charge shift (CS) in the excited state and subsequent solvent relaxation. Furthermore, the polarity of protic polar and aprotic polar solvents affects
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Chevreux, S., C. Allain, L. Wilbraham, et al. "Solvent tuned single molecule dual emission in protic solvents: effect of polarity and H-bonding." Faraday Discussions 185 (2015): 285–97. http://dx.doi.org/10.1039/c5fd00054h.

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Phen-PENMe2 has recently been proposed as a promising new molecule displaying solvent-tuned dual emission, highlighting an original and newly-described charge transfer model. The study of the photophysical behaviour of this molecule was extended to include protic solvents. The effects of polarity and hydrogen bonding lead to an even more evident dual emission associated with a large multi-emission band in some solvents like methanol, highlighting Phen-PENMe2 as a promising candidate for white light emission.
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Waris, Riaz, Michael A. Rembert, David M. Sellers, et al. "Polycyclic Aromatic Hydrocarbon Solute Probes: Effect of Solvent Polarity on the Ovalene and Benzo[ghi]perylene Fluorescence Emission Fine Structures." Applied Spectroscopy 42, no. 8 (1988): 1525–31. http://dx.doi.org/10.1366/0003702884429805.

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Fluorescence properties of benzo[ghi]perylene (BPe) and ovalene (Ov) dissolved in 25 solvents of varying polarity are reported. Measurements indicate that emission intensities depend on solvent polarity. The BPe and Ov solvent polarity scales are defined as the ratio of the fluorescence emission intensities of bands I and III of the vibronic spectra. Benzo[ghi]perylene and ovalene solute probes enable fluorescence measurements to be made in spectral regions less prone to solvent inner filtering and other artifacts which have hampered the use of pyrene (Py) as a polarity probe molecule.
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Meza, O., L. A. Diaz-Torres, P. Salas, et al. "Dynamics of the Green and Red Upconversion Emissions inYb3+-Er3+-CodopedY2O3Nanorods." Journal of Nanomaterials 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/491982.

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Efficient green and red upconversion emission inY2O3:Yb3+,Er3+nanorods under 978 nm radiation excitation is achieved. Experimental effective lifetimes, luminescent emissions, and nanorod sizes depend strongly on the solvent ratios used during the synthesis. A microscopic nonradiative energy transfer model is used to approach the dynamics of the green, red, and infrared emissions. The excellent agreement between simulated and experimental decay suggests that the energy transfer mechanisms responsible of the visible emission depend on the solvent ratio.
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de Angelis, Roberta, Mauro Casalboni, Liliana D’Amico, et al. "Vapour Sensitivity of InP Surface Quantum Dots." Key Engineering Materials 605 (April 2014): 177–80. http://dx.doi.org/10.4028/www.scientific.net/kem.605.177.

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We studied the effect of solvent vapours on the photoluminescent emission of self-assembled InP surface quantum dots (SQDs). Their room temperature near infrared emission undergoes a fully reversible intensity enhancement when the dots were exposed to vapours of polar solvents since polar molecules are likely to be adsorbed onto intrinsic surface states and thus reducing non radiative surface recombination. The shape and position of the emission band does not change. The observed effect is dependent on solvent type and concentration with linear law over a limited concentration range.
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Cho, Yang-Jin, So-Yoen Kim, Minji Cho та ін. "Aggregation-induced emission of diarylamino-π-carborane triads: effects of charge transfer and π-conjugation". Physical Chemistry Chemical Physics 18, № 14 (2016): 9702–8. http://dx.doi.org/10.1039/c5cp07883k.

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Carborane-based donor–π–acceptor triads bearing triarylamine moieties showed dual emissions, which were assigned as a charge-transfer emission and an aggregation induced emission. The emission properties were affected by two main factors: solvent polarity and solubility.
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Mo, Ziwei, Ru Cui, Bin Yuan, et al. "A mass-balance-based emission inventory of non-methane volatile organic compounds (NMVOCs) for solvent use in China." Atmospheric Chemistry and Physics 21, no. 17 (2021): 13655–66. http://dx.doi.org/10.5194/acp-21-13655-2021.

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Abstract. Non-methane volatile organic compounds (NMVOCs) are important precursors of ozone (O3) and secondary organic aerosol (SOA), which play key roles in tropospheric chemistry. A huge amount of NMVOC emissions from solvent use are complicated by a wide spectrum of sources and species. This work presents a long-term NMVOC emission inventory of solvent use during 2000–2017 in China. Based on a mass (material) balance method, NMVOC emissions were estimated for six categories, including coatings, adhesives, inks, pesticides, cleaners, and personal care products. The results show that NMVOC em
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Ahmed, Asmaa N. "A study of the solvent effect on the low temperature spectra of benzoanthracene molecules." Iraqi Journal of Physics (IJP) 12, no. 24 (2019): 1–9. http://dx.doi.org/10.30723/ijp.v12i24.315.

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been taken at room temperature down to liquid nitrogen temperature (77K). Polar and nonpolar solvents have been used to study the solvent effect on the absorption and fluorescence spectra of solute molecules. Some of the spectroscopic parameters have been determined as functions of solvent polarity and temperature. The results indicate that the band width FWHM increases with increasing the solvent polarity and temperature, while the peak emission cross section decreases with increasing of solvent polarity and decreases with increasing the temperatures. Clear vibrational structure spectra of be
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Dissertations / Theses on the topic "Solvent emission"

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Marmolejo, Edison Becerra. "Studies with solvent introduction in inductively coupled plasma-atomic emission spectroscopy." Thesis, Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/27143.

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McCleary, Keith Alan. "Sample introduction and solvent effects in an argon and helium microwave induced plasma." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/40444.

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Fincher, Cynthia Ellen. "The Use of Single Photon Emission Computed Tomography to Indicate Neurotoxicity in Cases of Pesticide and Solvent Exposures." Thesis, University of North Texas, 1995. https://digital.library.unt.edu/ark:/67531/metadc277747/.

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This study examined the effect of neurotoxic chemical exposures on brain processes using Single Photon Emission Computed Tomography (SPECT). A control group carefully screened for good health and minimal chemical exposures was compared to two groups of patients diagnosed with health problems following exposure to pesticides or to organic solvents.
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Ojala, S. (Satu). "Catalytic oxidation of volatile organic compounds and malodorous organic compounds." Doctoral thesis, University of Oulu, 2005. http://urn.fi/urn:isbn:9514278704.

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Abstract This thesis describes efforts made on the development of an existing catalytic incinerator. The development work, called process characterization, consists of four general parts. These are the development of measurement methodology, the studying of construction materials, the selection of suitable catalysts and the testing of the effects of process operation conditions. The two application areas for catalytic incineration considered in this thesis are solvent emission abatement (VOC, volatile organic compounds) and chip bin emission abatement (SVOC, sulphur-containing volatile organic
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Pan, Changkang. "Characterization of solvent-plasma interactions for inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/30536.

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Hall, Andrew Jensen. "Identification of Chlorinated Solvent Sources in the Indoor Air of Private Residences around Hill Air Force Base, Utah." DigitalCommons@USU, 2008. https://digitalcommons.usu.edu/etd/60.

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Volatile chlorinated solvents such as trichloroethylene (TCE), 1,2 dichloroethane (1,2 DCA), and perchloroethylene (PCE) have been identified in the indoor air of residences located near Hill Air Force Base (AFB), Utah. These vapors can originate from either volatilization of contaminates from shallow contaminated groundwater and transport into residences or from sources within the residence. The focus of the thesis was the development of a testing strategy for determining sources of TCE, 1,2 DCA, and PCE in the indoor air of residences near Hill AFB. Eight residences were selected for this st
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Ramos, Tárcius Nascimento. "Efeitos de solventes nos espectros de absorção e emissão da Dimethoxy Curcumin." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-12052015-110036/.

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A Curcumin há muito tempo é utilizada como condimento, colorífico e na medicina tradicional asiática. Conhecida como açafrão-da-índia, recentemente tem chamado a atenção devido ao grande potencial medicinal. Surgiram trabalhos principalmente sobre seus supostos efeitos benignos no tratamento de câncer e Alzheimer porém não limitados a estas enfermidades. Na tentativa de otimizar as propriedades medicinais surgiu a Dimethoxy Curcumin, um composto sintético que apresenta maior citotoxicidade e estabilidade biológica que a Curcumin. A maioria das reações químicas e biológicas ocorrem em soluções
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Bolis, Serena. "Spatial optical solitons and optical gain in liquid crystal devices." Doctoral thesis, Universite Libre de Bruxelles, 2018. https://dipot.ulb.ac.be/dspace/bitstream/2013/268937/5/contratSB.pdf.

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In this work, we study the nonlinear propagation of light in liquid crystals (LCs) and the optical gain provided by LCs when they are polymer- or dye-doped.We will focus on nematic LCs, which are characterized by a mean orientation (also called director) of the elongated molecules and by a subsequent birefringence. After a general introduction on LCs, we focus on the nonlinear propagation of light in nematic LCs, and in particular the soliton-like propagation (nematicon). Indeed, if the light injected in the cell is intense enough, it can create a waveguide that counteracts the diffraction of
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Osička, Tomáš. "Katalytická oxidace VOC na komerčně dostupných katalyzátorech." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241878.

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The main topic of this thesis is a catalytic oxidation which belongs to a group of modern technologies for removing emission of CO and VOC from waste air. In the introduction of this thesis, the basic concepts are defined. Further the legislative requirements associated with VOC emissions, emission limits and conditions are summarized. Described destructive and non-destructive methods for removing VOCs from waste gases are also briefly described. Increased attention is paid to the catalytic oxidation as the main theme of the thesis. It was searched for industrial applications where the catalyt
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Rumeau, Cécile. "Évaluation de l'efficacité des réflexes de protection de l'oreille par la mesure des produits de distorsion acoustiques chez le rat : développement d'un nouvel outil clinique pour l'homme." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0091/document.

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L'audiométrie tonale liminaire est l'outil de référence pour évaluer le fonctionnement auditif, mais c'est un outil subjectif qui mesure des élévations de seuils témoignant de dégâts irréversibles sur le système auditif. La mesure des produits de distorsions acoustiques (PDAs), reflet du fonctionnement cochléaire, permet de dépister précocement des altérations de l'oreille interne causées par le bruit ou certains solvants ototoxiques. A partir d'un paradigme de mesure basé sur un enregistrement continu du PDA cubique (2f1-f2) et une stimulation controlatérale, nous avons pu expliquer, chez le
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Books on the topic "Solvent emission"

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Ayer, Jacqueline. Solvent emission reduction study at Newark AFB, Ohio: Project summary. U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1992.

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Kemme, Michael R. Reducing air pollutant emissions from solvent multi-base propellant production. US Army Corps of Engineers, Construction Engineering Research Laboratory, 1999.

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Great Britain. Parliament. House of Commons. First Standing Committee on Delegated Legislation. Draft solvent emissions (England and Wales) regulations 2004: Wednesday 7 January 2004. Stationery Office, 2004.

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Great Britain. Parliament. House of Commons. European Standing Committee A. Emissions of volatile organic compounds from solvents in paints Thursday 13 November 2003. Stationery Office, 2003.

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Olsthoorn, A. A. Feasibility study on the implementation of economic measures to reduce emissions of organic solvents: Final report. Office for Official Publications of the European Communities, 1996.

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Carver, Anna C. Laboratory and field evaluations of methodology for measuring emissions of chlorinated solvents from stationary sources. U.S. Environmental Protection Agency, Atmospheric Research and Exposure Assessment Laboratory, 1990.

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Agency, Ireland Environmental Protection. Estimation of emissions of non methane volatile organic compounds (NMVOCS) from SNAP Sector 06: Solvent & other product use for Ireland in 1998. Environmental Protection Agency, An Gníomhaireacht um Chaomhnú Comhshaoil, 2001.

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Corporation, Radian, ed. Halogenated solvent cleaners: Emission control technologies and cost analyses. Noyes Data Corp., 1990.

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D, Wolbach C., and Air and Energy Engineering Research Laboratory., eds. Solvent emission reduction study at Newark AFB, Ohio: Project summary. U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1992.

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Fauser, Patrik, Tina Skårman, Marte O. Kittilsen, Nina Holmengen, Kristín Harðardóttir, and Kristina Saarinen. Improvement of Nordic Emission Models for Solvent Use in Selected Sectors. Nordic Council of Ministers, 2009. http://dx.doi.org/10.6027/tn2009-556.

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Book chapters on the topic "Solvent emission"

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Lakowicz, Joseph R. "Solvent Effects on Emission Spectra." In Principles of Fluorescence Spectroscopy. Springer US, 1999. http://dx.doi.org/10.1007/978-1-4757-3061-6_6.

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Mędrzycka, Krystyna, and Sebastian Pastewski. "Control of Volatile Organics Emission to the Atmosphere during the Solvent Sublation Process." In Chemistry for the Protection of the Environment 3. Springer US, 1998. http://dx.doi.org/10.1007/978-1-4757-9664-3_8.

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Tazuke, S., H. B. Kim, and N. Kitamura. "Excited State Behaviors of Ruthenium(II) Complexes as Studied by Time Resolved and Temperature and Solvent Dependent Emission Spectra." In Photochemistry and Photophysics of Coordination Compounds. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72666-8_19.

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Olsthoorn, Xander, Frans Oosterhuis, and Frans Woerd. "A European Solvent Tax to Reduce VOC Emissions." In Environment & Policy. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0113-4_4.

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Madejski, Greg M., Chris Done, T. Jane Turner, et al. "Solving the Mystery of the Periodicity in the Seyfert Galaxy NGC 6814." In Multi-Wavelength Continuum Emission of AGN. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-010-9537-2_16.

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Simon, Jörg. "Mitigation of Laughing Gas Emissions by Nitrous Oxide Respiring Microorganisms." In Enzymes for Solving Humankind's Problems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58315-6_7.

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Gaggero, Daniele. "Numerical Codes that Solve the CR Diffusion Equations." In Cosmic Ray Diffusion in the Galaxy and Diffuse Gamma Emission. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29949-0_3.

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Maia, Luisa B., Isabel Moura, and José J. G. Moura. "Carbon Dioxide Utilisation—The Formate Route." In Enzymes for Solving Humankind's Problems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58315-6_2.

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AbstractThe relentless rise of atmospheric CO2 is causing large and unpredictable impacts on the Earth climate, due to the CO2 significant greenhouse effect, besides being responsible for the ocean acidification, with consequent huge impacts in our daily lives and in all forms of life. To stop spiral of destruction, we must actively reduce the CO2 emissions and develop new and more efficient “CO2 sinks”. We should be focused on the opportunities provided by exploiting this novel and huge carbon feedstock to produce de novo fuels and added-value compounds. The conversion of CO2 into formate offers key advantages for carbon recycling, and formate dehydrogenase (FDH) enzymes are at the centre of intense research, due to the “green” advantages the bioconversion can offer, namely substrate and product selectivity and specificity, in reactions run at ambient temperature and pressure and neutral pH. In this chapter, we describe the remarkable recent progress towards efficient and selective FDH-catalysed CO2 reduction to formate. We focus on the enzymes, discussing their structure and mechanism of action. Selected promising studies and successful proof of concepts of FDH-dependent CO2 reduction to formate and beyond are discussed, to highlight the power of FDHs and the challenges this CO2 bioconversion still faces.
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Ravi, C. N., K. Vasanth, R. Harikrishnan, D. Godwin Immanuel, D. Lakshmi, and G. Madhusudhana Rao. "Solving Combined Economic and Emission Dispatch Problem Using Hybrid RGA-DE Algorithm." In Intelligent Computing and Communication. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1084-7_75.

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Hooker, D. B., and J. DeZwaan. "Analytical Problem Solving with Simultaneous Atomic Emission—Mass Spectrometric Detection for Gas Chromatography." In ACS Symposium Series. American Chemical Society, 1992. http://dx.doi.org/10.1021/bk-1992-0479.ch008.

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Conference papers on the topic "Solvent emission"

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Tomilin, Felix, Anastasia Rogova, Elena Kaufman, Alexandr Drevolsky, Marina Gerasimova, and Evgenia Slyusareva. "Solvent effect in the theoretical absorption and emission spectra of fluorescein dyes." In XIV International Conference on Pulsed Lasers and Laser Applications (AMPL-2019), edited by Anton V. Klimkin, Victor F. Tarasenko, and Maxim V. Trigub. SPIE, 2019. http://dx.doi.org/10.1117/12.2548739.

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Van Deun, J., R. De Fré, I. Bilsen, R. Baert, and M. Blondeel. "Measuring fugitive emission in the printing sector as a verification of the solvent management plan according to the EU Solvent Directive." In AIR POLLUTION 2007. WIT Press, 2007. http://dx.doi.org/10.2495/air070271.

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Jing Chen, Zichen Zhang, Wei Lei, Xiaobing Zhang, and Chengxian Huang. "Field-emission properties of 3D ZnO network structure synthesized with solvent thermal method." In 2007 IEEE 20th International Vacuum Nanoelectronics Conference. IEEE, 2007. http://dx.doi.org/10.1109/ivnc.2007.4481021.

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Bruno, A., A. De Girolamo Del Mauro, G. Nenna, M. G. Maglione, S. A. Haque, and C. Minarini. "Solvent effects on spectral emission of PVK and PVK-Ir(ppy) 3 based OLEDs." In SPIE Photonics Europe, edited by Barry P. Rand, Chihaya Adachi, and Volker van Elsbergen. SPIE, 2012. http://dx.doi.org/10.1117/12.922823.

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Volovik, Zoya N., Alexander P. Demchenko, and Serge I. Skursky. "Solvent-dependent photophysics of nonsymmetric polymethine dyes as fluorescence probes: dual emission and inhomogeneous broadening." In OE/LASE '94, edited by Joseph R. Lakowicz. SPIE, 1994. http://dx.doi.org/10.1117/12.182770.

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Martin, E., Antonio M. Pardo, J. M. L. Poyato, Rosa Weigand, and Jose M. Guerra Perez. "N-substituted 1,8-naphthalimide derivatives as high-efficiency laser-dye: dependence of dye laser emission of protonated solvent." In SPIE Proceedings, edited by Janis Spigulis, Concepcion M. Domingo, Soon Fatt Yoon, et al. SPIE, 1991. http://dx.doi.org/10.1117/12.26013.

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Lee, Po-I., Atsushi Matsumoto, Yi Zheng, Xingbin Xie, and Ming-Chia Lai. "The Spray and Engine Combustion Performances of Ethanol-Biodiesel Fuel Blends." In ASME 2011 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/icef2011-60073.

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Some research has studied the effects of ethanol blended diesel (E-diesel) on emissions due to the availability of ethanol. However, a co-solvent or emulsifier is needed to provide better mixing of these two fuels, which would complicate the production process. In recent years, researchers have reported that biodiesel is a good co-solvent in terms of its miscibility with ethanol. Therefore, the present study utilizes the name “E-Biodiesel” representing the blend of ethanol and biodiesel as an alternative fuel. In this paper, the effects of blending ratios (B100, B80E20, and B60E40) of ethanol-
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Prevenslik, Thomas. "Nanofluids by Quantum Mechanics." In ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASMEDC, 2009. http://dx.doi.org/10.1115/mnhmt2009-18014.

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The enhanced heat transfer of nanofluids is shown not to be caused by the increase in thermal conductivity based on the concentration of nanoparticles (NPs) given by the longstanding Hamilton and Crosser (HC) mixing rules. Instead, heat transfer is enhanced because quantum mechanics (QM) restricts the specific heat of NPs to vanish, the consequence of which is that thermal kT energy absorbed from collisions of solvent molecules cannot be conserved by an increase in temperature. Conservation may only proceed by the QED induced up-conversion of the low frequency absorbed kT energy to the EM freq
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Niibori, Yuichi, Masayuki Narita, Akira Kirishima, Taiji Chida, and Hitoshi Mimura. "Fluorescence Emission Behavior of Eu(III) Sorbed on Calcium Silicate Hydrates Formed With No Dried Process." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-16524.

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Calcium silicate hydrate (CSH) is a main component of cement-based material required for constructing the geological repository. As in many countries, since the repository in Japan is constructed below water table, we must consider the interaction of radionuclide with cement materials altered around the repository after the backfill. Using fluorescence emission spectra, so far, the authors have investigated the interaction of Eu(III) (as a chemical analog of Am(III)) with CSH gels formed with no dried process, considering a condition saturated with groundwater. However, in such fluorescence em
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Andrade, Karine N. de, Amanda R. P. Costa, Rodolfo I. Teixeira, et al. "Photophysical characterization of 3-acyl-4-quinolones." In VIII Simpósio de Estrutura Eletrônica e Dinâmica Molecular. Universidade de Brasília, 2020. http://dx.doi.org/10.21826/viiiseedmol202006.

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4-quinolones derivatives can present fluorescent properties, depending on their substituents and on the chemical environment (e.g., acidic medium), allowing their application as ion sensors. We theoretically evaluated the photophysical properties of previously synthesized 3-acyl-4-quinolones to verify how different substituents (R1=H, NH2 and R2 = OEt, OH, NHPh) affect their absorption profiles and the emission profile of a reference compound, PB3. All DFT and TD-DFT calculations were performed at B3LYP-D3/6-311++G(d,p) level and continuum polarization model for simulated acetonitrile as solve
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