Добірка наукової літератури з теми "Deactivation"
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Статті в журналах з теми "Deactivation"
Persson, Jonas, Cindy Lustig, James K. Nelson, and Patricia A. Reuter-Lorenz. "Age Differences in Deactivation: A Link to Cognitive Control?" Journal of Cognitive Neuroscience 19, no. 6 (June 2007): 1021–32. http://dx.doi.org/10.1162/jocn.2007.19.6.1021.
Повний текст джерелаSerdyukov, D. V., O. V. Kanunnikov, V. A. Akselrod, and N. G. Loyko. "Antimicrobial Properties of a Biocide Based on Quaternary Ammonium Compounds plus Polyhexamethylene Guanidine and Possible Methods of Its Deactivation." Biotekhnologiya 36, no. 6 (2020): 115–26. http://dx.doi.org/10.21519/0234-2758-2020-36-6-115-126.
Повний текст джерелаGarner, Daniel, Matthew Blackburn, David J. Wright, and Archana Rao. "Improving guideline-mandated care of patients with implantable cardiac defibrillators." British Journal of Hospital Medicine 81, no. 8 (August 2, 2020): 1–10. http://dx.doi.org/10.12968/hmed.2020.0259.
Повний текст джерелаMalhotra, Shveta, and Stephen G. Lomber. "Sound Localization During Homotopic and Heterotopic Bilateral Cooling Deactivation of Primary and Nonprimary Auditory Cortical Areas in the Cat." Journal of Neurophysiology 97, no. 1 (January 2007): 26–43. http://dx.doi.org/10.1152/jn.00720.2006.
Повний текст джерелаJaklová, Karolína Dlasková, Lucie Šindelářová, Jan Kohout, Ivana Hradecká, Nikita Sharkov, and Aleš Vráblík. "Comparison of the Accelerated and Spontaneous Deactivation of the HDS Catalyst." Processes 9, no. 12 (December 14, 2021): 2258. http://dx.doi.org/10.3390/pr9122258.
Повний текст джерелаMadre, M., E. Pomarol-Clotet, P. McKenna, J. Radua, J. Ortiz-Gil, F. Panicali, J. M. Goikolea, et al. "Brain functional abnormality in schizo-affective disorder: an fMRI study." Psychological Medicine 43, no. 1 (May 15, 2012): 143–53. http://dx.doi.org/10.1017/s0033291712000943.
Повний текст джерелаWöhrl, Katharina, Yash Kotak, Christian Geisbauer, Sönke Barra, Gudrun Wilhelm, Gerhard Schneider, and Hans-Georg Schweiger. "Analysis of Deactivation of 18,650 Lithium-Ion Cells in CaCl2, Tap Water and Demineralized Water for Different Insertion Times." Sensors 23, no. 8 (April 11, 2023): 3901. http://dx.doi.org/10.3390/s23083901.
Повний текст джерелаBarker, Virgil M. "Deactivation of Pacemakers at the End of Life." Ethics & Medics 44, no. 9 (2019): 1–2. http://dx.doi.org/10.5840/em201944912.
Повний текст джерелаBroering, J. M., and A. S. Bommarius. "Cation and strong co-solute effects on protein kinetic stability." Biochemical Society Transactions 35, no. 6 (November 23, 2007): 1602–5. http://dx.doi.org/10.1042/bst0351602.
Повний текст джерелаHarrisson, Simon. "The Chain Length Distribution of an Ideal Reversible Deactivation Radical Polymerization." Polymers 10, no. 8 (August 8, 2018): 887. http://dx.doi.org/10.3390/polym10080887.
Повний текст джерелаДисертації з теми "Deactivation"
Azzu, Vian. "Deactivation of mitochondrial uncoupling proteins." Thesis, University of Cambridge, 2009. https://www.repository.cam.ac.uk/handle/1810/252159.
Повний текст джерелаDevadas, P. "Catalyst deactivation in propane aromatization." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 1997. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/3145.
Повний текст джерелаO'Toole, Ann Marie. "Thermal deactivation of Pseudomonas aeruginosa biofilms." Thesis, University of Iowa, 2015. https://ir.uiowa.edu/etd/1715.
Повний текст джерелаArteaga, Colina Geomar Daniel. "Deactivation of Pt/(gamma)-A12O3 during hydrocarbon reactions : mechanism of initial deactivation stages and carbonaceous residue characterisation." Thesis, University of Aberdeen, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.521157.
Повний текст джерелаSteiner, Petr. "Kinetic and Deactivation Studies of Hydrodesulfurization Catalysts." Doctoral thesis, Norwegian University of Science and Technology, Department of Chemical Engineering, 2002. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-94.
Повний текст джерелаHydrodesulfurization is an important part of the hydrotreating process. More stringent regulations on the quality of fuels bring new requirements to the catalytic processes. The removal of sulfur has become a key issue in the oil refining and this work aims to address several aspects of the process.
Kinetic studies of the hydrodesulfurization reaction over conventional (molybdenum-based) and new (Pt/Y-zeolite) catalysts are reported. The hydrodesulfurization of both the real oil (light gas oil from Statoil Mongstad refinery) and model compounds (thiophene and dibenzothiophene) over a NiMo/γ-Al2O3 catalyst were studied. In a high-pressure study of the light gas oil, substituted alkyl-DBTs were found to be the most difficult to desulfurize and the order of reactivity was found to be DBT > 4-MDBT > 4,6-DMDBT. Steric hindrance together with electronic effects were identified as possible reasons for this behavior. The difference in reactivities of the individual compounds was found to decrease with the increasing reaction temperature. A gas chromatograph equipped with the atomic emission detector (GC-AED) was used for the analysis of the individual components of the oil.
The initial deactivation and the steady-state kinetics were studied during the HDS of thiophene at atmospheric pressure. Unpromoted Mo/γ-Al2O3, CoMo/γ-Al2O3, NiMo/γ-Al2O3, and phosphorus modified NiMo/γ-Al2O3 were used for the deactivation study, while NiMo/γ-Al2O3,CoMo/γ-Al2O3, and Pt/Y-zeolite (with three different pretreatments) were used for the steadystate study. Several experiments related to the deactivation of Mo/γ-Al2O3 and NiMo/γ-Al2O3 catalysts prepared with the chelating agent (NTA) were also performed and NTA was found to have no significant effect on the activity of the catalysts.
In the deactivation study, a fast initial decrease in the activity was observed on all the catalysts. However, nickel promoted catalysts were found to be more resistant to deactivation than unpromoted ones. The presence of phosphorus slightly increased the activity of the catalyst towards the thiophene HDS, but had no effect on the deactivation behavior. Several methods to regenerate the catalyst were investigated. During the resulfiding experiments, a difference between Mo/γ-Al2O3 and NiMo/γ-Al2O3 was observed. Deactivation of the Mo catalyst was more severe with increasing temperature, while for the NiMo catalyst the opposite behavior was observed. Carbon deposition on catalysts followed the similar trend: More carbon was observed on the Mo catalyst at higher temperatures, while the opposite is true for NiMo. The restoration of the activity of NiMo was complete, while the reactivation of the Mo catalyst was only partial. The results from the reactivation experiments with pure H2 and inert gas (helium) suggest that several mechanisms of the restoration of activity exist: Resulfiding of the desulfided active sites, hydrogenation and removal of the deposited carbonaceous species, and the desorption of the reactants and products from the active sites of the catalyst. Based on the observed results, the higher hydrogenation activity of nickel is assumed to be the reason for the behavior. Hydrogenation causes the faster removal of the deposited carbonaceous species and this leads to the conclusion that the desulfiding of the active sites and the adsorption of the reaction species is significantly less pronounced on the NiMo/γ-Al2O3 catalyst.
Characterization studies show differences between standard and NTA-based catalysts. The higher amount of carbon on the NTA catalysts is attributed to the presence of the carboncontaining precursor - NTA. The changes in the surface area and the pore volume were observed only during the sulfiding process. In the case of standard catalysts the surface area and the pore volume decreased, while for the NTA-based catalysts the opposite is true. No change in the surface area and the pore volume with the increasing time on stream indicates that the deactivation is not due to structural changes of the catalyst. The amount of sulfur was found to be constant during the time on stream for all the catalysts.
In the steady-state study of the HDS of thiophene, CoMo and NiMo catalysts were found to be equally active. The activity of the Pt/Y-zeolite catalyst was found to be comparable to conventional catalysts when based on the amount of active material, but a fast deactivation was observed. The product selectivities during the HDS of thiophene were found to be the same for all standard catalysts, but slightly different for the Pt/Y-zeolite catalyst. This was attributed to a higher hydrogenation activity of the Pt/Y-zeolite catalyst.
The inhibition effect of other sulfur compounds and aromatics on the high-pressure hydrodesulfurization of dibenzothiophene (DBT), the so-called “matrix effect” was studied. Thiophene and DMDS have the same inhibiting effect on the total conversion of DBT, but differences exist in the effect on the selectivities of the products at low concentrations. The results indicate that the inhibiting effect of H2S on the direct desulfurization route is stronger than the effect of thiophene on the hydrogenation pathway. In the study of aromatics, both toluene and naphthalene affect the total conversion of DBT. Naphthalene was found to be a much stronger inhibitor and inhibits mainly the direct desulfurization pathway, while the hydrogenation route is more affected by the presence of toluene.
Rashchi, Fereshteh. "Deactivation of Pb-contaminated sphalerite by polyphosphate." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36828.
Повний текст джерелаA mechanism of lead interaction is proposed: at weakly acidic to mildly alkaline conditions Pb2+ and PbOH+ adsorb on sphalerite and react with xanthate to form PbX2 and Pb(OH)X; at high pH, hydrophilic Pb(OH)2(s) precipitates depress flotation.
Various candidate deactivators were compared using microflotation. The reagents were diethylenetriamine (DETA), sodium bicarbonate (NaHCO3), silica sol (SS), sodium phosphate (Na3PO4·12H 2O) and sodium polyphosphate (NaPO3)n. The latter had the strongest effect and was selected for detailed study. The mechanism of polyphosphate action was investigated by SEM and XPS. The results show that polyphosphate acted to remove Pb ("clean") from the sphalerite by forming soluble complexes.
The polyphosphate (PP) to lead (Pb) ratio in the complexes was determined from conductometric titration of lead nitrate vs. polyphosphate. It was found that initially a precipitate formed with PP/Pb of 1/3. The precipitate dissolved in excess polyphosphate, resulting in a variety of complexes with PP/Pb of 1/2, 1/1, 3/2, 2/1, and 3/1. Knowing the amount of Pb to be removed and taking the lowest PP/Pb ratio, 1/2, the quantity of polyphosphate required to solubilize the Pb can be calculated.
McQueen, Paul. "Catalysis deactivation in staged direct coal liquefaction." Thesis, Heriot-Watt University, 1996. http://hdl.handle.net/10399/746.
Повний текст джерелаMandani, Faisal Mohammad. "Kinetic and deactivation studies during catalytic dehydrogenation." Thesis, University of Salford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305913.
Повний текст джерелаPaweewan, Boontham. "Coking and deactivation of zeolite-based catalysts." Thesis, University of Cambridge, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624350.
Повний текст джерелаHu, Ing-Feng. "Activation and deactivation of glassy carbon electrodes /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu148726339902366.
Повний текст джерелаКниги з теми "Deactivation"
1924-, Petersen Eugene E., Bell Alexis T. 1942-, and International Symposium on Catalysis Deactivation and Poisoning (3rd : 1985 : Lawrence Berkeley Laboratory), eds. Catalyst deactivation. New York: M. Dekker, 1987.
Знайти повний текст джерелаIllinois State Board of Education (1973- ). Deactivation at a glance. Springfield, Ill: Illinois State Board of Education, 2005.
Знайти повний текст джерелаKumbilieva, Krassimira. Kinetic Aspects of Catalyst Deactivation. Sofia: Prof. Marin Drinov Academic Publishing House, 2012.
Знайти повний текст джерелаJacques, Oudar, and Wise Henry 1919-, eds. Deactivation and poisoning of catalysts. New York: M. Dekker, 1985.
Знайти повний текст джерелаButt, John B. Activation, deactivation, and poisoningof catalysts. Orlando: Academic Press, 1988.
Знайти повний текст джерелаSadana, Ajit. Biocatalysis: Fundamentals of enzyme deactivation kinetics. Englewood Cliffs, N.J: Prentice Hall, 1991.
Знайти повний текст джерелаButt, John B. Activation, deactivation, and poisoning of catalysts. San Diego: Academic Press, 1988.
Знайти повний текст джерелаMatyjaszewski, Krzysztof, Haifeng Gao, Brent S. Sumerlin, and Nicolay V. Tsarevsky, eds. Reversible Deactivation Radical Polymerization: Materials and Applications. Washington, DC: American Chemical Society, 2018. http://dx.doi.org/10.1021/bk-2018-1285.
Повний текст джерелаO'Connor, Paul, Toru Takatsuka, and Geoffrey L. Woolery, eds. Deactivation and Testing of Hydrocarbon-Processing Catalysts. Washington, DC: American Chemical Society, 1996. http://dx.doi.org/10.1021/bk-1996-0634.
Повний текст джерелаRashchi, Fereshteh. Deactivation of Pb-contaminated sphalerite by polyphosphate. Montréal, Qué: McGill University, 2000.
Знайти повний текст джерелаЧастини книг з теми "Deactivation"
Weik, Martin H. "deactivation." In Computer Science and Communications Dictionary, 366. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_4457.
Повний текст джерелаRichardson, James T. "Catalyst Deactivation." In Principles of Catalyst Development, 185–222. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4899-3725-4_8.
Повний текст джерелаFigueiredo, J. L., and F. Ramôa Ribeiro. "Catalyst Deactivation." In Combinatorial Catalysis and High Throughput Catalyst Design and Testing, 145–73. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4329-5_5.
Повний текст джерелаBoskovic, Goran, and Manfred Baerns. "Catalyst Deactivation." In Basic Principles in Applied Catalysis, 477–503. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-05981-4_14.
Повний текст джерелаSchmal, Martin, and José Carlos Pinto. "Catalyst deactivation." In Chemical Reaction Engineering, 511–32. 2nd ed. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003046608-19.
Повний текст джерелаGuisnet, M., and P. Magnoux. "Deactivation of Zeolites by Coking. Prevention of Deactivation and Regeneration." In Zeolite Microporous Solids: Synthesis, Structure, and Reactivity, 457–74. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2604-5_20.
Повний текст джерелаGanczarski, Artur, Halina Egner, and Marcin Cegielski. "Deactivation of Damage Effects." In Encyclopedia of Continuum Mechanics, 1–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-53605-6_256-1.
Повний текст джерелаDell, P., M. Bonvallet, and A. Hugelin. "Mechanisms of Reticular Deactivation." In Ciba Foundation Symposium - The Nature of Sleep, 86–107. Chichester, UK: John Wiley & Sons, Ltd., 2008. http://dx.doi.org/10.1002/9780470719220.ch5.
Повний текст джерелаNielsen, P. E. Højlund. "Deactivation of Synthesis Catalyst." In Catalytic Ammonia Synthesis, 285–301. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-9592-9_8.
Повний текст джерелаJanssens, J. P., A. D. van Langeveld, S. T. Sie, and J. A. Moulijn. "Catalyst Deactivation in Hydrodemetallization." In ACS Symposium Series, 238–52. Washington, DC: American Chemical Society, 1996. http://dx.doi.org/10.1021/bk-1996-0634.ch018.
Повний текст джерелаТези доповідей конференцій з теми "Deactivation"
Strange, Dakota B., and Pingen Chen. "A Cylinder Deactivation Control Framework for Gasoline Engines without Valve Deactivation." In 2020 American Control Conference (ACC). IEEE, 2020. http://dx.doi.org/10.23919/acc45564.2020.9147316.
Повний текст джерелаVinodh, B. "Technology for Cylinder Deactivation." In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-0077.
Повний текст джерелаNAGASAWA, YUTAKA, SATORU NAKASHIMA, CHIHIRO EGAMI, TADASHI OKADA, TAKAMITU KOHZUMA, RAN MATUKURA, and SACHIKO YANAGISAWA. "COHERENT DEACTIVATION PROCESS OF PSEUDOAZURIN." In With Foreword by Prof A H Zewail, Nobel Laureate in Chemistry, 1999. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777980_0080.
Повний текст джерелаXu, Zhiwen, Yuxin Li, Yungang Wang, Hao Wang, and Qinxin Zhao. "Deactivation Characteristics of SCR Catalyst at Different Stages in Coal-Fired Flue Gas." In ASME 2018 12th International Conference on Energy Sustainability collocated with the ASME 2018 Power Conference and the ASME 2018 Nuclear Forum. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/es2018-7352.
Повний текст джерелаDou, Danan, and Owen H. Bailey. "Investigation of NOx Adsorber Catalyst Deactivation." In International Fall Fuels and Lubricants Meeting and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/982594.
Повний текст джерелаUy, Dairene, and Ann E. O'Neill. "Raman Studies of Automotive Catalyst Deactivation." In SAE 2006 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2006. http://dx.doi.org/10.4271/2006-01-0409.
Повний текст джерелаBemman, Ya-Juan, Tom Frei, Chris Jones, and Mathias Keck. "Passive Exhaust System With Cylinder Deactivation." In SAE 2005 Noise and Vibration Conference and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-2351.
Повний текст джерелаBartley, Gordon J., and Theodore Kostek. "SCR Deactivation Study for OBD Applications." In SAE 2012 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2012. http://dx.doi.org/10.4271/2012-01-1076.
Повний текст джерелаGiroire, Frédéric, Nicolas Nisse, Kostiantyn Ohulchanskyi, Małgorzata Sulkowska, and Thibaud Trolliet. "Preferential Attachment Hypergraph with Vertex Deactivation." In 2023 31st International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS). IEEE, 2023. http://dx.doi.org/10.1109/mascots59514.2023.10387624.
Повний текст джерелаKu¨hnel, Janpeter, and Reza S. Abhari. "Part Load Behavior Optimization of Hybrid Coal and Gas Fired Combined Cycles Including Deactivation of Components." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30136.
Повний текст джерелаЗвіти організацій з теми "Deactivation"
Szilagyi, Andrew. Deactivation implementation guide. Office of Scientific and Technical Information (OSTI), September 1999. http://dx.doi.org/10.2172/1491067.
Повний текст джерелаYook, H. R., J. R. Barnett, and T. L. Collins. Deactivation of Building 7602. Office of Scientific and Technical Information (OSTI), October 1995. http://dx.doi.org/10.2172/204212.
Повний текст джерелаSmalley, Vinyard, and Evans. L51511 Deactivating Power Cylinders under Reduced Load on Two-Cycle Engines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), September 1986. http://dx.doi.org/10.55274/r0010517.
Повний текст джерелаBogen, D. M. PFP deactivation project management plan. Office of Scientific and Technical Information (OSTI), July 1997. http://dx.doi.org/10.2172/312807.
Повний текст джерелаStefanski, L. D. UO3 deactivation end point criteria. Office of Scientific and Technical Information (OSTI), October 1994. http://dx.doi.org/10.2172/10186476.
Повний текст джерелаLund, D. P., and 309 Building Working Group. 309 Building deactivation function analysis report. Office of Scientific and Technical Information (OSTI), September 1995. http://dx.doi.org/10.2172/447988.
Повний текст джерелаStordeur, R. T. ,. Westinghouse Hanford. 340 Waste handling facility deactivation plan. Office of Scientific and Technical Information (OSTI), December 1996. http://dx.doi.org/10.2172/325070.
Повний текст джерелаPeterson, David Shane, and Frank Laverne Webber. Deactivation, Decontamination and Decommissioning Project Summaries. Office of Scientific and Technical Information (OSTI), July 2001. http://dx.doi.org/10.2172/910753.
Повний текст джерелаLund, D. P., and 308 Building Working Group. 308 Building deactivation function analysis report. Office of Scientific and Technical Information (OSTI), September 1995. http://dx.doi.org/10.2172/450042.
Повний текст джерелаLund, D. P., and PUREX Working Group. PUREX Plant deactivation function analysis report. Office of Scientific and Technical Information (OSTI), September 1995. http://dx.doi.org/10.2172/450051.
Повний текст джерела