Academic literature on the topic 'Porous graphitic carbon'

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Journal articles on the topic "Porous graphitic carbon"

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Gadipelli, Srinivas, Zhuangnan Li, Tingting Zhao, Yuchen Yang, Taner Yildirim, and Zhengxiao Guo. "Graphitic nanostructures in a porous carbon framework significantly enhance electrocatalytic oxygen evolution." Journal of Materials Chemistry A 5, no. 47 (2017): 24686–94. http://dx.doi.org/10.1039/c7ta03027d.

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Hybrid carbons, nickel embedded nanographites in a nitrogen-doped porous carbon structure, developed by a simplified CVD fashion, utilizing a solid state precursor, zeolitic-imidazolate-framework, lead to highly enhanced water oxidation activity over simple graphitic or porous carbon based structures alone.
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Huo, Xiuqin, Huan Yi, Yukui Fu, et al. "Porous graphitic carbon nitride nanomaterials for water treatment." Environmental Science: Nano 8, no. 7 (2021): 1835–62. http://dx.doi.org/10.1039/d1en00171j.

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This review summarizes the application of porous g-C<sub>3</sub>N<sub>4</sub> in water treatment and modification to enhance its catalytic performance, showing the potential of porous g-C<sub>3</sub>N<sub>4</sub> for the actual treatment of water bodies.
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Lei, Wanwan, Sheng Liu, and Wen-Hua Zhang. "Porous hollow carbon nanofibers derived from multi-walled carbon nanotubes and sucrose as anode materials for lithium-ion batteries." RSC Advances 7, no. 1 (2017): 224–30. http://dx.doi.org/10.1039/c6ra24927b.

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Porous hollow carbon nanofibers exhibit tunable shell thicknesses from 2.5 to 13.5 nm. Overcoating of a thin, porous, and non-graphitic carbon layer on the pristine MWCNTs holds a great potential for enhancing their anode performance for LIBs.
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Fu, Xiaorui, Xiaofei Hu, Zhenhua Yan, et al. "Template-free synthesis of porous graphitic carbon nitride/carbon composite spheres for electrocatalytic oxygen reduction reaction." Chemical Communications 52, no. 8 (2016): 1725–28. http://dx.doi.org/10.1039/c5cc08897f.

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Porous graphitic carbon nitride/carbon composite spheres synthesized from glucose, melamine and cyanuric acid precursors via a template-free route efficiently catalyze the electrochemical oxygen reduction.
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Jung, Hyeyoung, Jihyeon Kang, Inho Nam, and Sunyoung Bae. "Graphitic Porous Carbon Derived from Waste Coffee Sludge for Energy Storage." Materials 13, no. 18 (2020): 3972. http://dx.doi.org/10.3390/ma13183972.

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Coffee is one of the largest agricultural products; however, the majority of the produced coffee is discarded as waste sludge by beverage manufacturers. Herein, we report the use of graphitic porous carbon materials that have been derived from waste coffee sludge for developing an energy storage electrode based on a hydrothermal recycling procedure. Waste coffee sludge is used as a carbonaceous precursor for energy storage due to its greater abundance, lower cost, and easier availability as compared to other carbon resources. The intrinsic fibrous structure of coffee sludge is based on cellulo
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Chen, Qiang, Xiaofei Tan, Yunguo Liu, et al. "Biomass-derived porous graphitic carbon materials for energy and environmental applications." Journal of Materials Chemistry A 8, no. 12 (2020): 5773–811. http://dx.doi.org/10.1039/c9ta11618d.

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Li, Yang, Xin Li, Huaiwu Zhang, and Quanjun Xiang. "Porous graphitic carbon nitride for solar photocatalytic applications." Nanoscale Horizons 5, no. 5 (2020): 765–86. http://dx.doi.org/10.1039/d0nh00046a.

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This review summarizes the development of PCN, i.e., synthesis, morphology, modification, and application in recent years. This review can provide a comprehensive view of PCN and lay a foundation for the design of ideal photocatalysts in the future.
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Törnkvist, Anna, Karin E. Markides, and Leif Nyholm. "Chromatographic behaviour of oxidised porous graphitic carbon columns." Analyst 128, no. 7 (2003): 844–48. http://dx.doi.org/10.1039/b303076h.

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Liu, Qinglei, Jiajun Gu, Wang Zhang, Yoshinari Miyamoto, Zhixin Chen, and Di Zhang. "Biomorphic porous graphitic carbon for electromagnetic interference shielding." Journal of Materials Chemistry 22, no. 39 (2012): 21183. http://dx.doi.org/10.1039/c2jm34590k.

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Ganegoda, Hasitha, David S. Jensen, Daniel Olive, et al. "Photoemission studies of fluorine functionalized porous graphitic carbon." Journal of Applied Physics 111, no. 5 (2012): 053705. http://dx.doi.org/10.1063/1.3691888.

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Dissertations / Theses on the topic "Porous graphitic carbon"

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Monser, Lotfi Ibrahim. "Modified porous graphitic carbon for liquid chromatography." Thesis, University of Hull, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318379.

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Mama, Joseph Etsu. "Pharmaceutical applications of porous graphitic carbon in HPLC." Thesis, University of Bradford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305781.

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Dias, H. "Gas and liquid chromatography on porous graphitic carbon." Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/13643.

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A new hydrophobic support material, Porous Graphitic (or Graphitised) Carbon (PGC) has been studied using both Liquid (LC) and Gas Chromatography (GC). The heat of adsorbtion (AH) of typical LC solvents determined on PGC, using GC, showed that AH increased with the molecular area (Ax) of solvents for well graphitised carbons, but that AH/Ax values were similar for all solvents studied. By definition, AH/Ax is a measure of eluotropic strength. The results reveal that a strong eluotropic series does not exist on carbon. A strong eluotropic series does exist on silica. In this case, AH/Ax values
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Zacharia, Renju. "Desorption of gases from graphitic and porous carbon surfaces." [S.l. : s.n.], 2004. http://www.diss.fu-berlin.de/2004/162/index.html.

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Kaur, Bulvinder. "Porous graphitic carbon : a new material for high performance liquid chromatography." Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/12218.

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This thesis is divided into four parts. In the first part, the history of chromatography is described. Different modes of chromatography are briefly discussed and a survey of stationary phases being used in High Performance Liquid Chromatography (HPLC) is made. The need for a non-polar reversed-phase stationary phase is highlighted. A brief survey of the use of carbon by other workers in liquid chromatography is also made. The second part of the thesis deals with the production and structural study of porous graphitic carbon (PGC). the different stages of production of PGC are discussed. Pore
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Marriott, Andrew S. "Porous graphitic carbon-based metabolomics and development of an alternative biomass-derived carbon stationary phase." Thesis, University of York, 2013. http://etheses.whiterose.ac.uk/5260/.

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In contrast to standard reversed-phase liquid chromatography (RP-LC) columns, porous graphitic carbon (PGC) stationary phase offers one solution to the separation of polar compounds. The unique retention mechanism of PGC, owing to its planar graphite-like sheet functionality, enables the separation of isomeric compounds. The use of RP-LC solvent systems allows direct coupling with electrospray mass spectrometry (ESI-MS) which enhances the types of analyses that can be performed with this stationary phase type still further. This thesis describes the use of on-line PGC-LC-ESI-MSn methods for th
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Törnkvist, Anna. "Aspects of Porous Graphitic Carbon as Packing Material in Capillary Liquid Chromatography." Doctoral thesis, Uppsala University, Analytical Chemistry, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3306.

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<p>In this thesis, porous graphitic carbon (PGC) has been used as packing material in packed capillary liquid chromatography. The unique chromatographic properties of PGC has been studied in some detail and applied to different analytical challenges using both electrospray ionization-mass spectrometry (ESI-MS) and ultra violet (UV) absorbance detection. </p><p>The crucial importance of disengaging the conductive PGC chromatographic separation media from the high voltage mass spectrometric interface has been shown. In the absence of a grounded point between the column and ESI emitter, a current
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Törnkvist, Anna. "Aspects of porous graphitic carbon as packing material in capillary liquid chromatography /." Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3306.

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Simpson, David A. "Mechanisms of retention on porous graphitic carbon : chromatographic and computational chemistry studies." Thesis, University of Nottingham, 2001. http://eprints.nottingham.ac.uk/10028/.

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Porous graphitic carbon has been developed as a high-performance liquid chromatography stationary phase over the past 30 years. The evolution of PGC as a stationary phase was motivated by the desire to find a substitute for reversed-phase silica gel based materials in areas where these materials are inadequate (e.g. extremes of pH). However, PGC possesses a number of chromatographic properties which are thus far largely unexplained and differ from traditional silica-based reversed-phase supports. The retention mechanisms of mono-substituted benzenes and biphenyls on porous graphitic carbon sta
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Ross, P. "The use of porous graphitic carbon in liquid chromatography performance and polar retention effect." Thesis, University of Edinburgh, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529492.

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This thesis is primarily concerned with the use and development of Porous Graphitic Carbon (PGC) for High Performance Liquid Chromatography (HPLC). Chromatographic studies carried out using PGC since its introduction in 1988 have shown it to posses quite unique separating properties. In particular the media has been shown to be very selective for the separation of closely related compounds such as geometric and diastereoisomers. It has also been shown to be very retentive towards compounds of increasing polarity. The magnitude of this interaction is considerable, we define it as the retention
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Book chapters on the topic "Porous graphitic carbon"

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Jorge, Tiago F., Maria H. Florêncio, and Carla António. "Porous Graphitic Carbon Liquid Chromatography–Mass Spectrometry Analysis of Drought Stress-Responsive Raffinose Family Oligosaccharides in Plant Tissues." In Methods in Molecular Biology. Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4939-7136-7_17.

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Patnaik, Sulagna, Gayatri Swain, and K. M. Parida. "Photo-/Electro-catalytic Applications of Visible Light-Responsive Porous Graphitic Carbon Nitride Toward Environmental Remediation and Solar Energy Conversion." In Environmental Chemistry for a Sustainable World. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-17638-9_8.

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Hennion, M. C. "POROUS GRAPHITIC CARBON: LIQUID CHROMATOGRAPHY." In Encyclopedia of Separation Science. Elsevier, 2000. http://dx.doi.org/10.1016/b0-12-226770-2/01841-x.

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Liu, Qinglei, Danmiao Kang, Jiajun Gu, Wang Zhang, and Di Zhang. "2 Porous graphitic carbons derived from seaweed for supercapacitors and the effect of the nanotexture on the rate performance." In Advanced Ceramics and Applications. De Gruyter, 2021. http://dx.doi.org/10.1515/9783110627992-002.

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Wei, James. "Research Frontiers." In Product Engineering. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195159172.003.0013.

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There are many challenging intellectual opportunities for the research community to create new knowledge in molecular structure–property relations, and to enlarge the toolbox of product engineering, that promise to inspire and accelerate new product innovations. There is a suspicion that there are inexhaustible families of material structures waiting to be discovered and to be used. Periodically, this suspicion is confirmed by the announcement of yet another family of interesting materials. In the 1970s, the synthetic zeolites were heralded as a new class of compounds with a microstructure of pores with molecular sizes. These became very useful in making adsorbents and catalysts. This discovery also led to the invention of many other families of microporous materials. Then came the broader concept of self-assembly of material, namely of organic and inorganic compounds that organize themselves into intricate patterns, now counted within the umbrella of nanotechnology. Two of the recent Nobel Prizes in chemistry offer proof that this field of new synthesis is full of possibilities and honor. We once thought that carbon existed only in the graphite, diamond, and amorphous forms. Now we know that not only can it exist in the buckminsterfullerene form of C60, but also in many other related forms that are spherical and cylindrical tubules. The notion of an electrically conducting polymer was not seriously considered until the invention of the electrically conducting polyacetylenes by Heeger, McDiarmid, and Shirakawa. The synthesis of new material can also be divided into the twin paths of incremental synthesis of the derivatives of known structures and the wildcat synthesis of totally unrelated structures. The incremental approach is used when a material with interesting properties is discovered, and research chemists will swarm around it to make every conceivable derivative to see whether they can enlarge the menu to choose from, and to ensure that the new province is well explored. The opposite wildcat approach seeks new and exciting families of material that would not be found by adhering exclusively to known provinces. The discovery of interesting natural materials not recognized before is a continuing theme of romance.
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Conference papers on the topic "Porous graphitic carbon"

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Soaid, Nurul Izza, Mohamed Salleh Mohamed Saheed, Mohamed Shuaib Mohamed Saheed, and Norani Muti Mohamed. "Effect of Laser Power on the Formation of Porous Graphitic Carbon on Polyimide Film." In 2019 IEEE International Conference on Sensors and Nanotechnology (SENSORS & NANO). IEEE, 2019. http://dx.doi.org/10.1109/sensorsnano44414.2019.8940090.

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Edathil, Anjali Achazhiyath, K. Suresh Kumar Reddy, Priyabrata Pal, C. Srinivasakannan, and Fawzi Banat. "Bio-Derived Porous Graphitic Carbon as Highly Efficient Mercury Scavenger from Natural Gas Streams." In Abu Dhabi International Petroleum Exhibition & Conference. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/188450-ms.

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Lin, Fang-Ming, Eric Anderssen, and Raymond K. Yee. "Heat Transfer Interface to Graphitic Foam." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-10691.

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Abstract Thermal interface materials (TIMs) used for bonding components are important for creating a thermally conductive path which improves heat dissipation. Low density, porous carbon foams are commonly used for thermal management applications and devices. Their high surface area to volume ratio enables cooling more effectively via different heat transfer methods. Many studies have adopted different methods to analytically or computationally analyze the effective thermal conductivity of carbon foams. Others have studied the participation of TIMs used in composite materials. However, very fe
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Cao, Zhihua, Kai Zhang, Guoping Zhang, et al. "High performance phase change thermal interface materials based on porous graphitic carbon spheres-paraffin wax composite." In 2014 IEEE 64th Electronic Components and Technology Conference (ECTC). IEEE, 2014. http://dx.doi.org/10.1109/ectc.2014.6897325.

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Alam, M. K., and A. M. Druma. "Measurement of Thermal Conductivity of Carbon Foams." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47008.

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A number of carbon foam products are being developed for use as insulation, heat spreaders, and compact heat exchanger cores. The application of carbon foams in aerospace applications is advantageous due to the high thermal conductivity and low density of the graphitic foam. However, the measurement of thermal conductivity has been difficult due the problems of interface contact and lower strength of the foam. The flash diffusivity method has been used to find thermal conductivity of a wide range of materials. Because of the porous nature of the foam, errors may be introduced with the flash di
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Ola, Oluwafunmilola, and Yanqiu Zhu. "Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23137.

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Abstract In this work, tungsten-based hybrid nanocomposites were grown on interconnected, macroscopic graphitic carbon nitride scaffold after solvothermal treatment followed by sulfidation to attain multifunctional composite electrocatalysts. The physicochemical properties of the obtained samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Raman spectroscopy, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The tungsten-based composites were tested as electrodes for pseudocapacitors and as electrocatalysts for hydrogen ev
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Patrick, Melanie, Amber Vital, Darian Bridges, and Messiha Saad. "Thermal Properties of Carbon and Graphite Foams." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88115.

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Thermal properties such as specific heat, thermal diffusivity, and thermal conductivity of carbon and graphite foams are very important in the engineering design process and analysis of aerospace vehicles as well as space systems. These properties are also important in power generation, transportation, and energy storage devices including fuel cells. Thermal conductivity is the property that determines the working temperature levels of the material; it plays a critical role in the performance of materials in high temperature applications and it is an important parameter in problems involving h
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Aeshala, L. M., S. U. Rahman, and A. Verma. "Development of a Reactor for Continuous Electrochemical Reduction of CO2 Using Solid Electrolyte." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54755.

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This paper reports the development of an electrochemical reactor for electrochemical reduction of carbon dioxide using anionic and cationic solid electrolyte. Cast nafion membrane was used as cation exchange membrane and alkali doped polyvinyl alcohol cross-linked with glutaraldehyde was used as anion exchange membrane. The anion exchange membranes (solid electrolytes) were characterized using TGA, XRD, FTIR, anionic conductivity, and mechanical strength. The anode electrode was prepared using Pt/C spraying over porous carbon paper. The cathode electrode was prepared using copper electroplatin
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Dickrell, P. L., N. R. Raravikar, S. K. Pal, L. S. Schadler, P. M. Ajayan, and W. G. Sawyer. "Frictional and Electrical Properties of Multiwalled Carbon Nanotubes." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63550.

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This presentation examines the tribological properties and contact resistance of oriented capped carbon multiwalled nanotube (MWNT) films. Highly anisotropic tribological behavior of MWNT films oriented in mutually orthogonal directions is observed. The average values of coefficient of friction varied from high values (μ = 0.795) for vertically aligned nanotubes grown on rigid substrates to low values (μ = 0.090) for the same nanotubes dispersed flat on the same substrates. The results were insensitive to humidity, which is in contrast to graphite materials. The multiwalled nanotube layers als
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Sorrell, Nina C., and Ayman I. Hawari. "TREAT Transient Modeling and Impact of Graphite Thermal Scattering." In 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-81887.

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The Transient Reactor Test Facility (TREAT) is a high enriched, graphite moderated, air cooled reactor built for experimental transient fuel testing. Recently, the reactor was returned to operation after having been shut down since 1994. Transients at TREAT are controlled largely by control/transient rod movement and temperature feedback that is attributed to the core’s graphite-fuel matrix. To date, TREAT simulations use the standard ENDF/B-VII.1 graphite thermal neutron scattering cross sections that assume an ideal crystalline form for the core’s graphite. Historically, it has been reported
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