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Journal articles on the topic 'Primitive matter'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

Bhandari, N. "Primitive Matter in Meteorites." Symposium - International Astronomical Union 120 (1987): 485–91. http://dx.doi.org/10.1017/s0074180900154506.

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A large number of elements in certain meteorites have isotopic composition different from that existing in rocks of the earth or the moon. Excess amounts of some isotopes, which are radiogenic daughters, are attributed to the in situ decay of their parent nuclide. Material containing radioactive parents is believed to have been injected into the condensing solar nebula, from astrophysical sites of their production shortly before formation of these grains. Other isotopic anomalies do not show mass dependent pattern which is characteristic of chemical fractionation. They must be primary isotopic

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2

Flynn, G. J., L. P. Keller, S. Wirick, and C. Jacobsen. "Organic matter in interplanetary dust particles." Proceedings of the International Astronomical Union 4, S251 (2008): 267–76. http://dx.doi.org/10.1017/s174392130802173x.

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AbstractAnhydrous interplanetary dust particles (IDPs), which are the most mineralogically primitive extraterrestrial materials available for laboratory analysis, contain several percent organic matter. The high O:C and N:C ratios suggest the organic matter in the anhydrous IDPs is significantly less altered by thermal processing than the organic matter in meteorites. X-ray Absorption Near-Edge Structure (XANES) spectroscopy and infrared spectroscopy demonstrate the presence of C=C, most likely as C-rings, C=O, and aliphatic C-H2and C-H3in all the IDPs examined. A D-rich spot, containing mater

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3

Wooden, D. H., H. A. Ishii, and M. E. Zolensky. "Cometary dust: the diversity of primitive refractory grains." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375, no. 2097 (2017): 20160260. http://dx.doi.org/10.1098/rsta.2016.0260.

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Comet dust is primitive and shows significant diversity. Our knowledge of the properties of primitive cometary particles has expanded significantly through microscale investigations of cosmic dust samples (anhydrous interplanetary dust particles (IDPs), chondritic porous (CP) IDPs and UltraCarbonaceous Antarctic micrometeorites, Stardust and Rosetta ), as well as through remote sensing ( Spitzer IR spectroscopy). Comet dust are aggregate particles of materials unequilibrated at submicrometre scales. We discuss the properties and processes experienced by primitive matter in comets. Primitive pa

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4

Cody, George D., Conel M. O'D Alexander, A. L. David Kilcoyne, and Hikaru Yabuta. "Unraveling the chemical history of the Solar System as recorded in extraterrestrial organic matter." Proceedings of the International Astronomical Union 4, S251 (2008): 277–84. http://dx.doi.org/10.1017/s1743921308021741.

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AbstractWe have initiated an extensive program of molecular analysis of extraterrestrial organic matter isolated from a broad range of meteorites (spanning multiple classes, groups, and petrologic types), including recent molecular spectroscopic analyses of the organic matter in the Comet 81P/Wild 2 samples. The results of these analyses clearly reveal the signature of multiple reaction pathways that transformed extraterrestrial organic matter away from its primitive roots. The most significant molecular transformation occurred in the post-accretionary phase of the parent body. However, each o

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5

Libourel, Guy, Patrick Michel, Marco Delbo, et al. "Search for primitive matter in the Solar System." Icarus 282 (January 2017): 375–79. http://dx.doi.org/10.1016/j.icarus.2016.09.014.

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6

Messenger, Scott, and K. Nakamura-Messenger. "Interstellar and Solar System organic matter preserved in interplanetary dust." Proceedings of the International Astronomical Union 11, A29B (2015): 426. http://dx.doi.org/10.1017/s1743921316005718.

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AbstractInterplanetary dust particles (IDPs) collected in the Earths stratosphere derive from collisions among asteroids and by the disruption and outgassing of short-period comets. Chondritic porous (CP) IDPs are among the most primitive Solar System materials. CP-IDPs have been linked to cometary parent bodies by their mineralogy, textures, C-content, and dynamical histories. CP-IDPs are fragile, fine-grained (< um) assemblages of anhydrous amorphous and crystalline silicates, oxides and sulfides bound together by abundant carbonaceous material. Ancient silicate, oxide, and SiC stardust g

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7

Hui, Zhenyang, Zhaochen Cai, Bo Liu, Dajun Li, Hua Liu, and Zhuoxuan Li. "A Self-Adaptive Optimization Individual Tree Modeling Method for Terrestrial LiDAR Point Clouds." Remote Sensing 14, no. 11 (2022): 2545. http://dx.doi.org/10.3390/rs14112545.

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Individual tree modeling for terrestrial LiDAR point clouds always involves heavy computation burden and low accuracy toward a complex tree structure. To solve these problems, this paper proposed a self-adaptive optimization individual tree modeling method. In this paper, we first proposed a joint neighboring growing method to segment wood points into object primitives. Subsequently, local object primitives were optimized to alleviate the computation burden. To build the topology relation among branches, branches were separated based on spatial connectivity analysis. And then the nodes corresp

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8

Kuga, Maïa, Bernard Marty, Yves Marrocchi, and Laurent Tissandier. "Synthesis of refractory organic matter in the ionized gas phase of the solar nebula." Proceedings of the National Academy of Sciences 112, no. 23 (2015): 7129–34. http://dx.doi.org/10.1073/pnas.1502796112.

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In the nascent solar system, primitive organic matter was a major contributor of volatile elements to planetary bodies, and could have played a key role in the development of the biosphere. However, the origin of primitive organics is poorly understood. Most scenarios advocate cold synthesis in the interstellar medium or in the outer solar system. Here, we report the synthesis of solid organics under ionizing conditions in a plasma setup from gas mixtures (H2(O)−CO−N2−noble gases) reminiscent of the protosolar nebula composition. Ionization of the gas phase was achieved at temperatures up to 1

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9

Busemann, H. "Interstellar Chemistry Recorded in Organic Matter from Primitive Meteorites." Science 312, no. 5774 (2006): 727–30. http://dx.doi.org/10.1126/science.1123878.

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10

VLČCEK, LUKÁ[Sbreve]C, and IVO NEZBEDA. "From realistic to primitive models: a primitive model of methanol." Molecular Physics 101, no. 19 (2003): 2987–96. http://dx.doi.org/10.1080/00268970310001605750.

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11

Ortega-Casanova, J., M. Ortega-Cortes, P. Cortes-Carretero, and J. Ortega-Cortes. "A primitive method for cooling water: does the shape matter?" Case Studies in Thermal Engineering 26 (August 2021): 101022. http://dx.doi.org/10.1016/j.csite.2021.101022.

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12

Antognazza, Maria Rosa. "Primary Matter, Primitive Passive Power, and Creaturely Limitation in Leibniz." Studia Leibnitiana 46, no. 2 (2014): 167–86. http://dx.doi.org/10.25162/sl-2014-0011.

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13

Santos, Manuel B., Paulo Mateus, and Armando N. Pinto. "Quantum Oblivious Transfer: A Short Review." Entropy 24, no. 7 (2022): 945. http://dx.doi.org/10.3390/e24070945.

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Quantum cryptography is the field of cryptography that explores the quantum properties of matter. Generally, it aims to develop primitives beyond the reach of classical cryptography and to improve existing classical implementations. Although much of the work in this field covers quantum key distribution (QKD), there have been some crucial steps towards the understanding and development of quantum oblivious transfer (QOT). One can show the similarity between the application structure of both QKD and QOT primitives. Just as QKD protocols allow quantum-safe communication, QOT protocols allow quan

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14

Stinchcombe, Robin. "Primitive cooperative particle flow models." Physica A: Statistical Mechanics and its Applications 372, no. 1 (2006): 1–11. http://dx.doi.org/10.1016/j.physa.2006.05.013.

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15

Nezbeda, Ivo, Jiří Kolafa, and Yurij Kalyuzhnyi. "Primitive model of water." Molecular Physics 68, no. 1 (1989): 143–60. http://dx.doi.org/10.1080/00268978900102021.

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16

Nezbeda, Ivo, and Gustavo A. Iglesias-Silva. "Primitive model of water." Molecular Physics 69, no. 4 (1990): 767–74. http://dx.doi.org/10.1080/00268979000100561.

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17

YAMAMOTO, Tetsuo. "Chemical Composition and Origin of Primitive Matter of the Solar System." Journal of the Mineralogical Society of Japan 20, no. 4 (1991): 187–92. http://dx.doi.org/10.2465/gkk1952.20.187.

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18

Gay, Fabrizio, and Irene Cazzaro. "Self-organized matter: design and primitive future of the eidetic categories." Design Journal 20, sup1 (2017): S317—S331. http://dx.doi.org/10.1080/14606925.2017.1352849.

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19

Busemann, Henner, M. O'D Alexander, and Larry R. Nittler. "Characterization of insoluble organic matter in primitive meteorites by microRaman spectroscopy." Meteoritics & Planetary Science 42, no. 7-8 (2007): 1387–416. http://dx.doi.org/10.1111/j.1945-5100.2007.tb00581.x.

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20

Egg, Matthias, and Michael Esfeld. "Primitive ontology and quantum state in the GRW matter density theory." Synthese 192, no. 10 (2014): 3229–45. http://dx.doi.org/10.1007/s11229-014-0590-3.

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21

Sciortino, Francesco. "Primitive models of patchy colloidal particles. A review." Collection of Czechoslovak Chemical Communications 75, no. 3 (2010): 349–58. http://dx.doi.org/10.1135/cccc2009109.

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In this article I will review some recent studies of the phase behavior and of the self-assembly of patchy colloidal particles. These studies have been based on simple primitive models for colloid–colloid interactions, effectively extending to soft matter the seminal work of I. Nezbeda on associated fluids. I will discuss the possibilities offered by the study of the self-assembly of particles with limited valence in deepening our understanding of the onset of the liquid state, of the differences between gels and glasses and of the possible connection between physical and chemical gels. A revi

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22

Messenger, S. "Interstellar Matter in Meteorites and Interplanetary Dust." Symposium - International Astronomical Union 197 (2000): 527–36. http://dx.doi.org/10.1017/s0074180900165088.

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Meteorites and interplanetary dust particles (IDPs) are primitive solar system materials which contain preserved nebular condensates, circumstellar dust grains and partially preserved molecular cloud matter. The circumstellar dust grains found in meteorites are direct samples of a variety of stars, and provide detailed constraints on models of stellar nucleosynthesis. Hydrogen and nitrogen isotopic anomalies in organic matter in meteorites and IDPs are thought to originate from chemical processes in a presolar molecular cloud. This material is better preserved, but less well characterized amon

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23

Maupin, Romain, Zahia Djouadi, Rosario Brunetto, Obadias Mivumbi, Christophe Sandt, and Ferenc Borondics. "Polyaromatic Units Set the Albedo of Dark Extraterrestrial Materials." Planetary Science Journal 3, no. 1 (2022): 10. http://dx.doi.org/10.3847/psj/ac424b.

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Abstract Primitive extraterrestrial materials are generally dark, a characteristic often associated with the presence of polyaromatic organic material and/or sulfides. We show in this study that the reflectance level measured at 0.55 μm of IDPs and some meteorites is correlated to the degree of graphitization of the polyaromatic organic matter. The reflectance level of the primitive surfaces therefore allows us to obtain information on the polyaromatic organic material present on the surface of solar system small bodies observed by remote sensing or visited by space missions. We discuss our re

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24

van Dishoeck, Ewine F. "Organic matter in space - An overview." Proceedings of the International Astronomical Union 4, S251 (2008): 3–16. http://dx.doi.org/10.1017/s1743921308021078.

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AbstractOrganic compounds are ubiquitous in space: they are found in diffuse clouds, in the envelopes of evolved stars, in dense star-forming regions, in protoplanetary disks, in comets, on the surfaces of minor planets, and in meteorites and interplanetary dust particles. This brief overview summarizes the observational evidence for the types of organics found in these regions, with emphasis on recent developments. The Stardust sample-return mission provides the first opportunity to study primitive cometary material with sophisticated equipment on Earth. Similarities and differences between t

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25

McKay, Adam J., and Nathan X. Roth. "Organic Matter in Cometary Environments." Life 11, no. 1 (2021): 37. http://dx.doi.org/10.3390/life11010037.

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Comets contain primitive material leftover from the formation of the Solar System, making studies of their composition important for understanding the formation of volatile material in the early Solar System. This includes organic molecules, which, for the purpose of this review, we define as compounds with C–H and/or C–C bonds. In this review, we discuss the history and recent breakthroughs of the study of organic matter in comets, from simple organic molecules and photodissociation fragments to large macromolecular structures. We summarize results both from Earth-based studies as well as spa

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26

McKay, Adam J., and Nathan X. Roth. "Organic Matter in Cometary Environments." Life 11, no. 1 (2021): 37. http://dx.doi.org/10.3390/life11010037.

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Comets contain primitive material leftover from the formation of the Solar System, making studies of their composition important for understanding the formation of volatile material in the early Solar System. This includes organic molecules, which, for the purpose of this review, we define as compounds with C–H and/or C–C bonds. In this review, we discuss the history and recent breakthroughs of the study of organic matter in comets, from simple organic molecules and photodissociation fragments to large macromolecular structures. We summarize results both from Earth-based studies as well as spa

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27

Kolafa, Jiří, and Ivo Nezbeda. "Primitive models of associated liquids." Molecular Physics 72, no. 4 (1991): 777–85. http://dx.doi.org/10.1080/00268979100100551.

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28

MARROCCHI, Y., S. DERENNE, B. MARTY, and F. ROBERT. "Interlayer trapping of noble gases in insoluble organic matter of primitive meteorites." Earth and Planetary Science Letters 236, no. 3-4 (2005): 569–78. http://dx.doi.org/10.1016/j.epsl.2005.04.010.

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29

Meléndez-López, A., M. F. García-Hurtado, J. Cruz-Castañeda, A. Negrón-Mendoza, S. Ramos-Bernal, and A. Heredia. "Gamma Irradiation of Aqueos Solution of L-Aspartic Acid, L-Aspartic Acid in Solid State, and L-Aspartic Acid Adsorbed into Na-Montmorillonite: Its Relevance in Chemistry Prebiotic." Journal of Nuclear Physics, Material Sciences, Radiation and Applications 8, no. 2 (2021): 105–8. http://dx.doi.org/10.15415/jnp.2021.82012.

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Aspartic acid is an amino acid present in the modern proteins, however, is considered a primitive amino acid hence its importance in prebiotic chemistry experiments studies. In some works of prebiotic chemistry have been studied the synthesis and the stability of organic matter under high energy sources, and the role of clays has been highlighted due to clays that can affect the reaction mechanisms in the radiolytic processes. The present work is focused on the study of the role of Namontmorillonite in the gamma radiolysis processes of L-aspartic acid. Gamma radiolysis processes were carried o

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30

Madsen, M. B., S. Mørup, T. V. V. Costa, J. M. Knudsen, and M. Olsen. "Superparamagnetism in primitive meteorites." Hyperfine Interactions 41, no. 1 (1988): 827–30. http://dx.doi.org/10.1007/bf02400518.

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31

Isnard, R., A. Bardyn, N. Fray, et al. "H/C elemental ratio of the refractory organic matter in cometary particles of 67P/Churyumov-Gerasimenko." Astronomy & Astrophysics 630 (September 20, 2019): A27. http://dx.doi.org/10.1051/0004-6361/201834797.

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Context. Because comets are part of the most primitive bodies of our solar system, establishing their chemical composition and comparing them to other astrophysical bodies gives new constraints on the formation and evolution of organic matter throughout the solar system. For two years, the time-of-flight secondary ion mass spectrometer COmetary Secondary Ion Mass Analyzer (COSIMA) on board the Rosetta orbiter performed in situ analyses of the dust particles ejected from comet 67P/Churyumov-Gerasimenko (67P). Aims. The aim is to determine the H/C elemental ratio of the refractory organic compon

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32

Kuehni, Rolf. "Focal Color Variability and Unique Hue Stimulus Variability." Journal of Cognition and Culture 5, no. 3-4 (2005): 409–26. http://dx.doi.org/10.1163/156853705774648554.

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AbstractThe degree to which physiology and culture have affected the formation of primitive color categories continues to be a matter of discussion. In this paper the degree of agreement between the ranges of individual color term foci for the four hue-based color categories yellow, green, blue, and red and individual choices of Munsell samples representing for the observers Hering's four unique hues is investigated. The color term focus range data are extracted from the survey results of the 110 unwritten languages of the World Color Survey, also in terms of the Munsell color order system. Ag

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33

Hirschfelder, Joseph O. "Primitive exchange perturbation theory, IV." International Journal of Quantum Chemistry 5, S4 (2009): 257–69. http://dx.doi.org/10.1002/qua.560050728.

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34

Patsahan, O. V., and I. M. Mryglod. "Critical behaviour of the restricted primitive model." Journal of Physics: Condensed Matter 16, no. 16 (2004): L235—L241. http://dx.doi.org/10.1088/0953-8984/16/16/l01.

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35

Masubuchi, Yuichi, Giovanni Ianniruberto, Francesco Greco, and Giuseppe Marrucci. "Primitive chain network simulations for branched polymers." Rheologica Acta 46, no. 2 (2006): 297–303. http://dx.doi.org/10.1007/s00397-006-0112-4.

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36

Martins, Zita, and Matthew A. Pasek. "Delivery of Organic Matter to the Early Earth." Elements 20, no. 1 (2024): 19–23. http://dx.doi.org/10.2138/gselements.20.1.19.

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The inner Solar System—including the planet Earth—was heavily bombarded by comets, asteroids, and their fragments (i.e., meteorites, micrometeorites, and interplanetary dust particles) from 4.56 to about 3.5 billion years ago. This bombardment resulted in a rich assortment of organics delivered to the Earth, as comets and many asteroids contain carbonaceous material. These organic compounds were likely further processed on the early Earth (e.g., by impact-shock reactions), providing a feedstock of prebiotic molecules to the crust and oceans. In this chapter, we review the mechanisms of organic

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37

ARONOV, D. V., I. R. LEVINA, and I. M. SMIRNOV. "PROTECTION OF PRIMITIVE TRIBES IN INTERNATIONAL ENVIRONMENTAL LAW OF THE EARLY XX CENTURY." JOURNAL OF PUBLIC AND MUNICIPAL ADMINISTRATION 10, no. 2 (2021): 173–79. http://dx.doi.org/10.22394/2225-8272-2021-10-2-173-179.

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The goal of this article is to analyze primitive tribes as a legal subject or subject-matter of the international environmental law of the early twentieth century. The article presents the analysis of the object and subjects formation of the international environmental law legal protection on the example of Berne Conference of Experts in 1913. The issue of preserving the habitat and the lifestyle of national-ities leading a primitive way of life is considered. Nowa-days, the primacy of human rights and freedoms as the system-forming center of modern political systems and regimes is not serious

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38

De Gregorio, Bradley T., Rhonda M. Stroud, Kate D. Burgess, and Conel M. O'D Alexander. "Nanoscale Variation in Carbonaceous Matter from Primitive Meteorites Revealed by Aberration-Corrected STEM." Microscopy and Microanalysis 21, S3 (2015): 2265–66. http://dx.doi.org/10.1017/s1431927615012106.

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39

STRNAD, MARTIN, and IVO NEZBEDA. "Extended primitive models of water revisited." Molecular Physics 93, no. 1 (1998): 25–30. http://dx.doi.org/10.1080/00268979809482185.

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40

NEZBEDA, MARTIN STRNAD IVO. "Extended primitive models of water revisited." Molecular Physics 93, no. 1 (1998): 25–30. http://dx.doi.org/10.1080/002689798169401.

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41

Patsahan. "PHASE BEHAVIOUR OF THE RESTRICTED PRIMITIVE MODEL." Condensed Matter Physics 7, no. 1 (2004): 35. http://dx.doi.org/10.5488/cmp.7.1.35.

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42

Zhilinskii, Boris. "On the number ofk-faces of primitive parallelohedra." Acta Crystallographica Section A Foundations and Advances 71, no. 2 (2015): 212–15. http://dx.doi.org/10.1107/s205327331402806x.

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Dehn–Sommerville relations for simple (simplicial) polytopes are applied to primitive parallelohedra. New restrictions on numbers ofk-faces of non-principal primitive parallelohedra are explicitly formulated for five-, six- and seven-dimensional parallelohedra.

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43

De Gregorio, Bradley T., and Cécile Engrand. "Diversity of Complex Organic Matter in Carbonaceous Chondrites, IDPs, and UCAMMs." Elements 20, no. 1 (2024): 24–30. http://dx.doi.org/10.2138/gselements.20.1.24.

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Complex organic matter is present in many extraterrestrial materials such as chondrite meteorites, micrometeorites, and interplanetary dust. The observed complexity of this organic matter is due to the combination of diversity of primitive organic materials that accreted onto asteroids and the subsequent effect of hydrothermal and/or metamorphic alteration that took place after accretion. These processes resulted in a variety of carbonaceous grain morphologies, elemental abundances, and organic functional group compositions. Some carbonaceous dust grains and micrometeorites have cometary origi

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44

Lei, Lijian, Linchang Miao, Chao Li, Xiaodong Liang, and Junjie Wang. "The effects of composite primitive cells on band gap property of locally resonant phononic crystal." Modern Physics Letters B 35, no. 20 (2021): 2150334. http://dx.doi.org/10.1142/s0217984921503346.

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Locally resonant phononic crystal (LRPC) has the extraordinary property to prohibit the wave propagation in specific low-frequency ranges, however it exists limitation in engineering application due to narrow band gap width. Extensive achievements have been obtained on the locally resonant band gap (LRBG) tunability, whereas existing investigations mainly concern the independent primitive cells structure, which have the limitation in obtaining low-frequency and broadband simultaneously. In this paper, the composited locally resonant phononic crystals (CLRPC) are proposed and the effects of pri

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45

Carvalho, Richard. "PSYCHIC RETREATS REVISITED: BINDING PRIMITIVE DESTRUCTIVENESS, OR SECURING THE OBJECT? A MATTER OF EMPHASIS?" British Journal of Psychotherapy 19, no. 2 (2002): 153–71. http://dx.doi.org/10.1111/j.1752-0118.2002.tb00071.x.

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46

Delpoux, Olivier, Didier Gourier, Laurent Binet, Hervé Vezin, Sylvie Derenne, and François Robert. "CW- and pulsed-EPR of carbonaceous matter in primitive meteorites: Solving a lineshape paradox." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 69, no. 5 (2008): 1301–10. http://dx.doi.org/10.1016/j.saa.2007.09.045.

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47

Godoy, Ricardo, Dean S. Karlan, Shanti Rabindran, and Tomás Huanca. "Do modern forms of human capital matter in primitive economies? Comparative evidence from Bolivia." Economics of Education Review 24, no. 1 (2005): 45–53. http://dx.doi.org/10.1016/j.econedurev.2003.11.008.

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48

REMUSAT, L., F. PALHOL, F. ROBERT, S. DERENNE, and C. FRANCELANORD. "Enrichment of deuterium in insoluble organic matter from primitive meteorites: A solar system origin?" Earth and Planetary Science Letters 243, no. 1-2 (2006): 15–25. http://dx.doi.org/10.1016/j.epsl.2005.12.010.

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49

Pitzer, Kenneth S., and Donald R. Schreiber. "The restricted primitive model for ionic fluids." Molecular Physics 60, no. 5 (1987): 1067–78. http://dx.doi.org/10.1080/00268978700100711.

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50

Andrecut, Mircea. "Patterns Formation in a Primitive Life Form Model." International Journal of Modern Physics B 12, no. 27n28 (1998): 2881–88. http://dx.doi.org/10.1142/s0217979298001691.

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A computational study of population dynamics in a primitive life form model is presented. The spatio-temporal dependencies of density were calculated for different values of the control parameters (birth and death rates). The calculations have shown that the dynamics of the investigated system lead to the formation of patterns and self-organization only for a certain dependence between the control parameters.

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