Academic literature on the topic 'Volatiles Elements'

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Journal articles on the topic "Volatiles Elements"

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Tian, Zhen, Tomáš Magna, James M. D. Day, et al. "Potassium isotope composition of Mars reveals a mechanism of planetary volatile retention." Proceedings of the National Academy of Sciences 118, no. 39 (2021): e2101155118. http://dx.doi.org/10.1073/pnas.2101155118.

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The abundances of water and highly to moderately volatile elements in planets are considered critical to mantle convection, surface evolution processes, and habitability. From the first flyby space probes to the more recent “Perseverance” and “Tianwen-1” missions, “follow the water,” and, more broadly, “volatiles,” has been one of the key themes of martian exploration. Ratios of volatiles relative to refractory elements (e.g., K/Th, Rb/Sr) are consistent with a higher volatile content for Mars than for Earth, despite the contrasting present-day surface conditions of those bodies. This study pr
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Day, James M. D., Frédéric Moynier, and Charles K. Shearer. "Late-stage magmatic outgassing from a volatile-depleted Moon." Proceedings of the National Academy of Sciences 114, no. 36 (2017): 9547–51. http://dx.doi.org/10.1073/pnas.1708236114.

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The abundance of volatile elements and compounds, such as zinc, potassium, chlorine, and water, provide key evidence for how Earth and the Moon formed and evolved. Currently, evidence exists for a Moon depleted in volatile elements, as well as reservoirs within the Moon with volatile abundances like Earth’s depleted upper mantle. Volatile depletion is consistent with catastrophic formation, such as a giant impact, whereas a Moon with Earth-like volatile abundances suggests preservation of these volatiles, or addition through late accretion. We show, using the “Rusty Rock” impact melt breccia,
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Zhang, Youxue. "Review of melt inclusions in lunar rocks: constraints on melt and mantle composition and magmatic processes." European Journal of Mineralogy 36, no. 1 (2024): 123–38. http://dx.doi.org/10.5194/ejm-36-123-2024.

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Abstract. Mineral-hosted melt inclusions provide a window into magmatic processes and pre-eruptive liquid compositions. Because melt inclusions are small (typically < 100 µm), the study of lunar melt inclusions is enabled by advancements of microbeam instrumental techniques. In the 1970s immediately following the Apollo and Luna missions, major and minor oxide concentrations of lunar melt inclusions were measured using electron microprobes. The data were used to understand magma evolution, and they revealed the immiscibility of two silicate liquids in the late stage of lunar magma evolution
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Chen, Zuxing, Landry Soh Tamehe, Haiyan Qi, Yuxiang Zhang, Zhigang Zeng, and Mingjiang Cai. "Using Apatite to Track Volatile Evolution in the Shallow Magma Chamber below the Yonaguni Knoll IV Hydrothermal Field in the Southwestern Okinawa Trough." Journal of Marine Science and Engineering 11, no. 3 (2023): 583. http://dx.doi.org/10.3390/jmse11030583.

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The Yonaguni Knoll IV is an active seafloor hydrothermal system associated with submarine silicic volcanism located in the “cross back-arc volcanic trail” (CBVT) in the southwestern Okinawa Trough. However, the behavior of volatiles during magmatic differentiation in the shallow silicic magma chamber is unclear. Here, the volatile contents of apatite inclusions trapped in different phenocrysts (orthopyroxene and amphibole) and microphenocrysts in the rhyolite from the Yonaguni Knoll IV hydrothermal field were analyzed by using electron microprobe analysis, which aims to track the behavior of v
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Grewal, Damanveer S., Yoshinori Miyazaki, and Nicole X. Nie. "Contribution of the Moon-forming Impactor to the Volatile Inventory in the Bulk Silicate Earth." Planetary Science Journal 5, no. 8 (2024): 181. http://dx.doi.org/10.3847/psj/ad5b5d.

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Abstract The timing and mechanism by which the present-day inventory of life-essential volatiles hydrogen–carbon–nitrogen–sulfur (H–C–N–S) in the bulk silicate Earth (BSE) was established are debated. In this study we have modeled the equilibrium partitioning of H–C–N–S between core, magma ocean (MO), and atmosphere to determine whether the Moon-forming impactor (MFI) was the primary source of volatiles in the BSE. Our findings suggest that the MFI’s core and MO-degassed atmosphere were its primary H–C–N–S reservoirs. Since the MFI likely lost its MO-degassed atmosphere before the giant impact
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Miller, Johanna L. "Krypton isotopes tell the early story of Earth’s life-giving elements." Physics Today 75, no. 3 (2022): 16–18. http://dx.doi.org/10.1063/pt.3.4956.

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Liu, Xuena, Jinghua Guo, Zijing Chen, Kun Xu, and Kang Xu. "Detection of Volatile Compounds and Their Contribution to the Nutritional Quality of Chinese and Japanese Welsh Onions (Allium fistulosum L.)." Horticulturae 10, no. 5 (2024): 446. http://dx.doi.org/10.3390/horticulturae10050446.

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Allium vegetables attract attention for their flavor and aroma in Asia, especially in China and Japan. The aim of this experiment was to uncover the differences in the unique flavor compounds of two Welsh onions that are typical cultivars in China and Japan (‘Zhangqiu’ and ‘Tenko’). Chemical methods and solid-phase microextraction–gas chromatography-mass spectrometry were performed to determine the nutritional quality and quantity of volatile compounds of various organs of Welsh onions. The results show that a total of 30, 37, and 28 compounds were detected in the roots, pseudostem, and leaves
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Day, James M. D., and Frederic Moynier. "Evaporative fractionation of volatile stable isotopes and their bearing on the origin of the Moon." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 372, no. 2024 (2014): 20130259. http://dx.doi.org/10.1098/rsta.2013.0259.

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The Moon is depleted in volatile elements relative to the Earth and Mars. Low abundances of volatile elements, fractionated stable isotope ratios of S, Cl, K and Zn, high μ ( 238 U/ 204 Pb) and long-term Rb/Sr depletion are distinguishing features of the Moon, relative to the Earth. These geochemical characteristics indicate both inheritance of volatile-depleted materials that formed the Moon and planets and subsequent evaporative loss of volatile elements that occurred during lunar formation and differentiation. Models of volatile loss through localized eruptive degassing are not consistent w
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Degruyter, Wim, Andrea Parmigiani, Christian Huber, and Olivier Bachmann. "How do volatiles escape their shallow magmatic hearth?" Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2139 (2019): 20180017. http://dx.doi.org/10.1098/rsta.2018.0017.

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Only a small fraction (approx. 1–20%) of magmas generated in the mantle erupt at the surface. While volcanic eruptions are typically considered as the main exhaust pipes for volatile elements to escape into the atmosphere, the contribution of magma reservoirs crystallizing in the crust is likely to dominate the volatile transfer from depth to the surface. Here, we use multiscale physical modelling to identify and quantify the main mechanisms of gas escape from crystallizing magma bodies. We show that most of the outgassing occurs at intermediate to high crystal fraction, when the system has re
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Nunes, Ana R., Ana C. Gonçalves, Edgar Pinto, et al. "Mineral Content and Volatile Profiling of Prunus avium L. (Sweet Cherry) By-Products from Fundão Region (Portugal)." Foods 11, no. 5 (2022): 751. http://dx.doi.org/10.3390/foods11050751.

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Large amounts of Prunus avium L. by-products result from sweet cherry production and processing. This work aimed to evaluate the mineral content and volatile profiling of the cherry stems, leaves, and flowers of the Saco cultivar collected from the Fundão region (Portugal). A total of 18 minerals were determined by ICP-MS, namely 8 essential and 10 non-essential elements. Phosphorus (P) was the most abundant mineral, while lithium (Li) was detected in trace amounts. Three different preparations were used in this work to determine volatiles: hydroethanolic extracts, crude extracts, and aqueous
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Dissertations / Theses on the topic "Volatiles Elements"

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Collins, S. J. "Degassing of volatiles and semi-volatile trace elements at basaltic volcanoes." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597860.

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At Mt. Etna, Italy, vigorous gas-rich eruptions in 2001, 2002 and 2003 were followed by gas-poor eruptions in 2004, 2006 and 2007. Contrary to expectation, melt inclusion compositions indicate that magmas erupted between 2004 to 2007 did not follow similar degassing paths as recorded in 2001 and 2002 and that are expected from the solubility laws of CO<sub>2</sub> and H<sub>2</sub>O. Instead melts stored in the plumbing system since 2002 reequilibrated with CO<sub>2</sub>-rich gases from depth. Sustained gas percolation caused loss of water and enhancement of CO<sub>2</sub> in the evolving mel
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Gomez-Ulla, Rubira Alejandra. "Historical eruptions of Lanzarote, Canary Islands : Inference of magma source and melt generation from olivine and its melt inclusions." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAC023.

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L’étude des basaltes des îles océaniques (OIB) révèle la complexité du manteau terrestre, dont la composition chimique est hautement variable. Décrypter l’implication des lithologies des roches sources et des processus à l’origine des OIB est complexe car les magmas sont transformés lors de leur ascension jusqu’à la surface. Ceci est particulièrement critique dans le cas des îles Canaries, où la lithosphère est considérée comme particulièrement épaisse (&gt;110 km Fullea et al., 2015). Afin de mieux contraindre la composition chimique des magmas primitifs et les lithologies mantelliques plausib
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Severs, Matthew Jeremiah. "Applications of Melt Inclusions to Problems in Igneous Petrogenesis." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/28310.

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Understanding the different igneous processes that magmas undergo is important for a variety of reasons including potential hazards associated with volcanoes in populated regions, magmatic hydrothermal ore deposition, and tectonic processes. One method of obtaining geochemical data that can help constrain petrogenetic processes is through the study of melt and fluid inclusions. The research presented here examines melt inclusions through experimental, analytical and field studies to better understand igneous petrogenesis. One potential problem associated with melt inclusions is water-loss d
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Debret, Baptiste. "Serpentinites, vecteurs des circulations fluides et des transferts chimiques de l'océanisation à la subduction : exemple dans les Alpes occidentales." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2013. http://tel.archives-ouvertes.fr/tel-01037950.

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Les serpentinites sont un composant important de la lithosphère océanique formée niveau de rides lentes à ultra-lentes. Ces roches représentant un vaste réservoir de l'eau, d'éléments mobiles dans les fluides (FME), halogènes et volatils, il a été proposé qu'elles jouent un rôle important pendant l'échange chimique se produisant entre la lithosphère subduite et le coin mantellique dans des zones de subduction. L'objectif de mon doctorat a été de caractériser la nature et la composition des fluides transférés depuis la plaque plongeante jusqu'au coin mantellique en étudiant des ophiolites alpin
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Deligny, Cécile. "Origine des éléments volatils et chronologie de leur accrétion au sein du Système Solaire interne : Apport de l'analyse in-situ des achondrites." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0329.

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Les éléments volatils comme l’hydrogène et l’azote contrôlent l'évolution des corps planétaires et de leurs atmosphères, et sont des éléments essentiels au développement de la vie sur Terre. Néanmoins, l'origine des éléments volatils et la chronologie de leur accrétion par les planètes telluriques formées au sein du système solaire interne restent un sujet de débat et de controverse en sciences planétaires. Pour répondre à ces questions, les rapports isotopiques de l'hydrogène (D/H) et de l'azote (15N/14N) sont des outils puissants pour tracer l'origine (solaire, chondritique ou cométaire) des
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Leroy, Clémence. "L'iode et le xénon dans les magmas : deux comportements différents." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066094/document.

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La présence de magmas en profondeur permet de contraindre des processus géologiques passés et actuels. Ces magmas (i.e. liquides silicatés) participent aux cycles géochimiques des éléments volatils comme vecteur de matière.Nous étudions deux éléments volatils complémentaires : l'iode (I), un halogène, et le xénon (Xe), un gaz rare. Leur système radioactif éteint 129I/129Xe (T1/2 = 15.7Ma) est utilisé pour dater les processus hadéens et la formation de l'atmosphère, issu de l'évolution d'un océan magmatique. Or on connait peu le comportement de l'iode et du xénon dans les magmas en profondeur à
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Rutter, P. "A new non-volatile MNOS memory element." Thesis, University of Southampton, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377953.

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Aldridge, Simon. "Studies of some volatile compounds of main group elements." Thesis, University of Oxford, 1996. http://ora.ox.ac.uk/objects/uuid:832a8ba8-4b6f-45f3-8a23-403efa9cd6e1.

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Methylzinc tetrahydroborate, [MeZnBH<sub>4</sub>], has been prepared by two routes and the structure of the solid determined by X-ray crystallography to reveal helical polymers in which MeZn and BH<sub>4</sub> units alternate. The latter functions as a bidentate ligand with respect to each of the adjacent metal atoms. Investigation by mass spectrometry and matrix isolation shows that the vapour consists of an equilibrium mixture of monomeric and dimeric species. The pattern of infrared bands for the monomer is characteristic of a bidentate BH<sub>4</sub> group, a finding consistent with the re
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Leroy, Clémence. "L'iode et le xénon dans les magmas : deux comportements différents." Electronic Thesis or Diss., Paris 6, 2016. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2016PA066094.pdf.

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La présence de magmas en profondeur permet de contraindre des processus géologiques passés et actuels. Ces magmas (i.e. liquides silicatés) participent aux cycles géochimiques des éléments volatils comme vecteur de matière.Nous étudions deux éléments volatils complémentaires : l'iode (I), un halogène, et le xénon (Xe), un gaz rare. Leur système radioactif éteint 129I/129Xe (T1/2 = 15.7Ma) est utilisé pour dater les processus hadéens et la formation de l'atmosphère, issu de l'évolution d'un océan magmatique. Or on connait peu le comportement de l'iode et du xénon dans les magmas en profondeur à
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Sarafian, Adam Robert 1986. "Water and volatile element accretion to the inner planets." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/115785.

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Thesis: Ph. D., Joint Program in Oceanography/Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>This thesis investigates the timing and source(s) of water and volatile elements to the inner solar system by studying the basaltic meteorites angrites and eucrites. In chapters 2 and 3, I present the results from angrite meteorites. Chapter 2 examines the water and volatile eleme
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Books on the topic "Volatiles Elements"

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Kallenbach, R., T. Encrenaz, J. Geiss, K. Mauersberger, T. C. Owen, and F. Robert, eds. Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8.

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B, McConnell James, United States. Dept. of the Army., US Army Signal Center and Fort Gordon. Environmental and Natural Resources Management Office., and Geological Survey (U.S.), eds. Trace elements and semi-volatile organic compounds in bed sediments from streams and impoundments at Fort Gordon, Georgia. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Houghton, Robert L. Volatile trace-element concentrations in snowmelt contributions to streams monitored by hydrologic bench-mark network stations in the conterminous United States where average annual snowfall exceeds 12 inches. U.S. Dept. of the Interior, Geological Survey, 1985.

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B, Lowenstern Jacob, and Geological Survey (U.S.), eds. Major-element, trace-element, and volatile concentrations in silicate melt inclusions from the tuff of Pine Grove, Wah Wah Mountains, Utah. U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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B, Lowenstern Jacob, and Geological Survey (U.S.), eds. Major-element, trace-element, and volatile concentrations in silicate melt inclusions from the tuff of Pine Grove, Wah Wah Mountains, Utah. U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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B, Lowenstern Jacob, and Geological Survey (U.S.), eds. Major-element, trace-element, and volatile concentrations in silicate melt inclusions from the tuff of Pine Grove, Wah Wah Mountains, Utah. U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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B, Lowenstern Jacob, and Geological Survey (U.S.), eds. Major-element, trace-element, and volatile concentrations in silicate melt inclusions from the tuff of Pine Grove, Wah Wah Mountains, Utah. U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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B, Lowenstern Jacob, and Geological Survey (U.S.), eds. Major-element, trace-element, and volatile concentrations in silicate melt inclusions from the tuff of Pine Grove, Wah Wah Mountains, Utah. U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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B, McConnell James, United States. Dept. of the Army, US Army Signal Center and Fort Gordon. Environmental and Natural Resources Management Office, and Geological Survey (U.S.), eds. Trace elements and semi-volatile organic compounds in bed sediments from streams and impoundments at Fort Gordon, Georgia. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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B, McConnell James, United States. Dept. of the Army, US Army Signal Center and Fort Gordon. Environmental and Natural Resources Management Office, and Geological Survey (U.S.), eds. Trace elements and semi-volatile organic compounds in bed sediments from streams and impoundments at Fort Gordon, Georgia. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Book chapters on the topic "Volatiles Elements"

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Jambon, Albert. "Chapter 12. EARTH DEGASSING AND LARGE-SCALE GEOCHEMICAL CYCLING OF VOLATILE ELEMENTS." In Volatiles in Magmas, edited by Michael R. Carroll and John R. Holloway. De Gruyter, 1994. http://dx.doi.org/10.1515/9781501509674-019.

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Becker, R. H., R. N. Clayton, E. M. Galimov, et al. "Isotopic Signatures of Volatiles in Terrestrial Planets." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_22.

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Ott, Ulrich. "Isotopes of Volatiles in Pre-Solar Grains." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_3.

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Geiss, Johannes, and George Gloeckler. "Isotopic Composition of H, He and Ne in the Protosolar Cloud." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_1.

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Altwegg, Kathrin, and Dominique Bockelée-Morvan. "Isotopic Abundances in Comets." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_10.

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Messenger, S., F. J. Stadermann, C. Floss, L. R. Nittler, and S. Mukhopadhyay. "Isotopic Signatures of Presolar Materials in Interplanetary Dust." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_11.

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Marty, B., K. Hashizume, M. Chaussidon, and R. Wieler. "Nitrogen Isotopes on the Moon: Archives of the Solar and Planetary Contributions to the Inner Solar System." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_12.

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Wieler, R., and V. S. Heber. "Noble Gas Isotopes on the Moon." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_13.

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Pepin, R. O. "On Noble Gas Processing in the Solar Accretion Disk." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_14.

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Grady, Monica M., and Ian P. Wright. "Elemental and Isotopic Abundances of Carbon and Nitrogen in Meteorites." In Solar System History from Isotopic Signatures of Volatile Elements. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0145-8_15.

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Conference papers on the topic "Volatiles Elements"

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Cheung, Stanley, Yanir London, Yuan Yuan, et al. "Arrays of Non-Volatile III-V/Si Micro-Ring Lasers for Memory Search Applications." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.th1c.5.

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We explore the use of non-volatile III-V/Si ring lasers as storage elements in wavelength-division multiplexed (WDM) optical ternary content-addressable memory (O-TCAM) search. This provides new opportunity for photonic memory applications in non-volatile photonic systems.
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Polyakov, S. G. "Electrochemical Monitoring in Corrosion Protection of Power Generation Pipelines with Volatile Corrosion Inhibitors." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01202.

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Abstract Volatile corrosion inhibitors are applied for corrosion protection of interior surfaces of power generation pipelines and other equipment during preservation. Peculiarities of the corrosion mechanism of metal in this case consist in that the corrosion process occurs in thin films of electrolytes. Sensing elements with co-surface arrangement of the electrodes are suggested for evaluation of the protective effectiveness of volatile corrosion inhibitors. For analysis of the mechanism of protective properties of volatile corrosion inhibitors using the adsorption isotherm of Lengmyur is su
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Hall, Darryl, and Steve Poncio. "Key Elements and Criteria of an Accelerated Test Program from the Owners Point of View." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92329.

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Abstract Making the appropriate coating selection has never been easy for the coatings specialist. Concern regarding the coating selection process has increased because of the impact volatile organic compound (VOC) regulations are having on the coatings industry. Manufacturers of new VOC compliant products have minimal experience with the performance of the products. This makes it difficult for the coatings specialist who has to make a coating selection based on minimal performance data on a coating’s performance. Significant observations and highlights from an owner-/end user’s coating test p
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Colella, Riccardo, Alon Ascoli, Fernando Corinto, and Giuseppe Grassi. "Non-Volatile Memristor as a Backscattering Circuit Element: High-Frequency Analysis and Preliminary Theoretical Considerations." In 2025 14th International Conference on Modern Circuits and Systems Technologies (MOCAST). IEEE, 2025. https://doi.org/10.1109/mocast65744.2025.11083920.

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Elliott, P., A. A. Ansari, R. Prescott, and M. F. Rothman. "Behaviour of Selected Commercial-Base Alloys During High Temperature Oxychlorination." In CORROSION 1985. NACE International, 1985. https://doi.org/10.5006/c1985-85013.

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Abstract Alloy performance at high temperatures in halogen-containing atmospheres is often limited because of the low melting and highly volatile reaction products. Results of 50 hour tests in oxidizing atmospheres of air-2% chlorine at 900° and 1000° are presented and the alloy performance is ranked according to metal loss and internal penetration. Attention is given to surface morphologies, in particular the beneficial role of alumina scales in such environments. These results, which include comments on chromia-forming alloys and the more damaging influence of refractory elements such as mol
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Jaeger, Paul F. "Characterization of Volatile Corrosion Inhibitors Using the Quartz Crystal Microbalance and Supporting Techniques." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97180.

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Abstract Corrosion inhibitors such as Volatile Corrosion Inhibitors (VCI's) and Contact Corrosion Inhibitors have become loosely ambiguous and differentiating between the two can become a gray area. For example, and the most common mistake is, classifying a material as a VCI when it is a contact inhibitor. Analytical techniques to qualify a material as a VCI have been investigated in order to clarify this ambiguity and to qualify the techniques and equipment for use in the determination of a VCI. The Quartz Crystal Microbalance (QCM) and an atmospheric corrosion monitor were used to characteri
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Liu, Zhong, Wei-Ping Yan, Li Zhao, and Xiao-Min Wang. "Volatiles and Elements Release Characters of Micronized Coal at High Temperature." In ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50338.

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Volatiles and elements release characters are key factors that affect NO reduction efficiency and coal burnout at high temperature. The tested coal was directly taken from the bunkers in a power plant where combusts Shenhua bituminous and Zhunge’er lignite blends (mass ratio is 1:1), the coal blends were re-sieved mechanically and four sizes of them were taken as experimental coals. We designed and constructed char-preparation systems ourselves. The coal and char quality analysis were conducted by Vario el III coal element analyzer, and volatiles release characters under high temperature were
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Crosby, James, Sally A. Gibson, Fin Stuart, Teal Riley, and Luigia Di Nicola. "Illuminating the long-term storage of fluid-hosted volatiles in the SCLM from 3He/4He, major- and trace elements in global mantle xenolith suites." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.7412.

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Hasan, Mahmudul, and Yousef Haseli. "Modeling Woody Biomass Torrefaction Process." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87974.

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Torrefaction is a thermal pretreatment process which usually takes place at temperatures between 200–300°C. Torrefied biomass has been proven in numerous studies to have superior combustion properties compared to raw biomass. The objective of this study is to develop a model to estimate solid energy yield, elemental compositions and enthalpy of solid and volatile yield. Formation enthalpy of raw and torrefied biomass is calculated using the correlations developed for elemental compositions and HHV of torrefied biomass. Solid yield is determined by anhydrous weight loss model for torrefied wood
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Braukmüller, Ninja, Claudia Funk, Carsten Münker, and Frank Wombacher. "Volatile Elements in Chondrites." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.256.

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Reports on the topic "Volatiles Elements"

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Wimpenny, J. Assessing the Behavior of Moderately Volatile Elements on the Moon in order to Constrain Processes of Magmatic Evolution and Planetary Accretion. Office of Scientific and Technical Information (OSTI), 2023. http://dx.doi.org/10.2172/2229028.

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Soltani Dehnavi, A., D. R. Lentz, and C. R. M. McFarlane. LA-ICP-MS analysis of volatile trace elements in massive sulphides and host rocks of selected VMS deposits of the Bathurst Mining Camp, New Brunswick: methodology and application to exploration. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2015. http://dx.doi.org/10.4095/296545.

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Jung, Carina, Karl Indest, Matthew Carr, Richard Lance, Lyndsay Carrigee, and Kayla Clark. Properties and detectability of rogue synthetic biology (SynBio) products in complex matrices. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45345.

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Synthetic biology (SynBio) aims to rationally engineer or modify traits of an organism or integrate the behaviors of multiple organisms into a singular functional organism through advanced genetic engineering techniques. One objective of this research was to determine the environmental persistence of engineered DNA in the environment. To accomplish this goal, the environmental persistence of legacy engineered DNA building blocks were targeted that laid the foundation for SynBio product development and application giving rise to “post-use products.” These building blocks include genetic constru
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Bourdeau, J. E., and R. D. Dyer. Regional-scale lake-sediment sampling and analytical protocols with examples from the Geological Survey of Canada. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331911.

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Regional-scale lake sediment surveys have been successfully used since the 1970s as a means for reconnaissance geochemical exploration. Lake sediment sampling is typically performed in areas with a lack of streams and an overabundance of small-sized (=5 km across) lakes. Lake sediments are known to have major, minor and trace element concentrations that reflect the local geology. Overall, lake sediment surveys are planned and conducted following four distinct stages: 1) background research, 2) orientation survey, 3) regional survey, and 4) detailed survey. At the Geological Survey of Canada, s
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Dehnavi, A. S., C. R. M. McFarlane, S. H. McClenaghan, and D. R. Lentz. In situ LA-ICP-MS of sulfide minerals in VMS deposits throughout the Bathurst Mining Camp, New Brunswick, Canada: volatile trace-element contents and distribution with implications for their syngenetic to polyphase metamorphic history. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2014. http://dx.doi.org/10.4095/293681.

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Kyllönen, Katriina, Karri Saarnio, Ulla Makkonen, and Heidi Hellén. Verification of the validity of air quality measurements related to the Directive 2004/107/EC in 2019-2020 (DIRME2019). Finnish Meteorological Institute, 2020. http://dx.doi.org/10.35614/isbn.9789523361256.

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This project summarizes the results from 2000–2020and evaluates the trueness andthequality control (QC) procedures of the ongoing polycyclic aromatic hydrocarbon (PAH)and trace element measurements in Finlandrelating to Air Quality (AQ) Directive 2004/107/EC. The evaluation was focused on benzo(a)pyrene and other PAH compounds as well as arsenic, cadmium and nickel in PM10and deposition. Additionally, it included lead and other metals in PM10and deposition, gaseous mercury and mercury deposition, andbriefly other specificAQ measurements such as volatile organic compounds (VOC)and PM2.5chemical
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