Academic literature on the topic 'Antimode'

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Journal articles on the topic "Antimode"

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Li, Yuelong. "Antimode collapse generative adversarial networks." Journal of Electronic Imaging 28, no. 02 (March 25, 2019): 1. http://dx.doi.org/10.1117/1.jei.28.2.023020.

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KAWANO, SEIICHI. "The study of Antimode in races of the acetylation genetic diversity." Rinsho yakuri/Japanese Journal of Clinical Pharmacology and Therapeutics 25, no. 1 (1994): 81–82. http://dx.doi.org/10.3999/jscpt.25.81.

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Kertakova, Marija, Sonja Jordeva, and Jordan Efremov. "Analysis of the first autochthonous subculture in fashion history: Antimode style of "Incroyables" and "Marveilleuses"." Tekstilna industrija 69, no. 2 (2021): 48–59. http://dx.doi.org/10.5937/tekstind2102048k.

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This scientific article is devoted to an extremely intriguing topic, so relevant among connoisseurs of fashion history and fashion costume (but not enough among ordinary fashion lovers) and is of great benefit to today's science, fashion and fashion industry, as it relates to the question of how socio-political events can greatly influence the construction of a completely new costume, radically different from the conventional one. One of the main goals of this scientific work is to reconsider and critically analyze the costumes of the most rebellious young people who lived in the late XVIII century. The so-called "Incroyables" and "Merveilleuses" emerged as the first autochthonous subculture in the history of fashion, contributing to fashion through the characteristic elements and variations of men's and women's costumes, thus defining a completely new social ideal of beauty, embodied and expressed with the help of fashionable women's and men's suits from this period. On the other hand, thanks to the knowledge and study of this new way and method of structuring the costume, the horizon is born in which it becomes clear how the new young people appeared after the second half of the 20th century, and the designers of the new age cleverly use accumulated historical material in their creative practice and embody the same in a way so characteristic of the spirit of the time. Due to the fact that fashion has various manifestations, I have also used cross-cultural research methods -attracting certain parts of sociology and structural and systematic analysis..
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Sano, Takuya. "Antimode dynamics and chaotic itinerancy in the coherence collapse of semiconductor lasers with optical feedback." Physical Review A 50, no. 3 (September 1, 1994): 2719–26. http://dx.doi.org/10.1103/physreva.50.2719.

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Su, Feng, Liping Lu, Chengyong Zhou, Xiaoxia Wang, Long Sun, and Chun Han. "A three-dimensional ZnIIcoordination polymer constructed from 1,1′-biphenyl-2,2′,4,4′-tetracarboxylate and 1,4-bis(1H-imidazol-1-yl)benzene ligands exhibiting photoluminescence." Acta Crystallographica Section C Structural Chemistry 73, no. 2 (January 12, 2017): 72–77. http://dx.doi.org/10.1107/s2053229617000213.

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Ligands based on polycarboxylic acids are excellent building blocks for the construction of coordination polymers; they may bind to a variety of metal ions and form clusters, as well as extended chain or network structures. Among these building blocks, biphenyltetracarboxylic acids (H4bpta) withC2symmetry have recently attracted attention because of their variable bridging and multidentate chelating modes. The new luminescent three-dimensional coordination polymer poly[(μ5-1,1′-biphenyl-2,2′,4,4′-tetracarboxylato)bis[μ2-1,4-bis(1H-imidazol-1-yl)benzene]dizinc(II)], [Zn2(C16H6O8)(C12H10N4)]n, was synthesized solvothermally and characterized by single-crystal X-ray diffraction, elemental analysis and IR spectroscopy. The crystal structure contains two crystallographically independent ZnIIcations. Both metal cations are located on twofold axes and display distorted tetrahedral coordination geometries. Neighbouring ZnIIcentres are bridged by carboxylate groups in thesyn–antimode to form one-dimensional chains. Adjacent chains are linked through 1,1′-biphenyl-2,2′,4,4′-tetracarboxylate and 1,4-bis(1H-imidazol-1-yl)benzene ligands to form a three-dimensional network. In the solid state, the compound exhibits blue photoluminescence and represents a promising candidate for a thermally stable and solvent-resistant blue fluorescent material.
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Antonyshyn, Iryna, Olga Zhak, Stepan Oryshchyn, Volodymyr Babizhetskyy, Constantin Hoch, and Lev Aksel’rud. "Crystal Structure of the New Ternary Antimonide Ho5GaSb3." Zeitschrift für Naturforschung B 64, no. 8 (August 1, 2009): 909–14. http://dx.doi.org/10.1515/znb-2009-0806.

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The crystal structure of the new ternary antimonide Ho5GaSb3 has been determined from X-ray single-crystal data: space group Pnma, a = 7.9667(8), b = 15.128(2), c = 7.9616(8) Å , V = 959.5(3) Å3, Z = 4, RF = 0.059, Rw = 0.066 for 9020 reflections. The crystal structure of Ho5GaSb3 is a ternary derivative of the Sm5Ge4 structure type with partially ordered distribution of gallium and antimony atoms
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Brylak, Markus, and Wolfgang Jeitschko. "Ternary Antimonides LnTSb3 with Ln = La-Nd, Sm and T = V, Cr." Zeitschrift für Naturforschung B 50, no. 6 (June 1, 1995): 899–904. http://dx.doi.org/10.1515/znb-1995-0611.

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The title compounds were prepared by reaction of the elemental components. They crystallize in a new structure type, which was determined from single-crystal X -ray data of CeCrSb3: Pbcm, a = 1310.8(3), b = 618.4(1), c = 607.9(1) pm, Z = 4, R = 0.029 for 648 structure factors and 32 variable parameters. The structure of the antimonide CeVSb3 is isotypic: a = 1319.0(2), b = 623.92(8), c = 603.03(8) pm , R = 0.041 for 477 structure factors and 32 variables. The transition metal site and one of the three antimony sites were found to have partial occupancies resulting in the exact compositions CeV0,91(1)Sb2,916(4) and CeCr0,901(9)Sb2,909(4). The structures contain fractional Sb -Sb bonds with distances varying between 301,5 and 316.4 pm. The transition metal atoms have octahedral antimony coordination. These TSb6 octahedra share faces resulting in linear infinite strings with V - V and Cr - Cr bond distances of 301.5 and 304.0 pm, respectively. The structure of these com pounds contains building elements, which are also found in antimonides with ThCr2Si2, CaBe2Ge2, and HfCuSi2 type structures.
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Schäfer, Konrad, Anna Isaeva, Michael Ruck, Birgit Gerke, Christian Schwickert, and Rainer Pöttgen. "La2NiSb – A Ternary Ordered Version of the Bi3Ni Type with Highly Polar Bonding." Zeitschrift für Naturforschung B 69, no. 11-12 (December 1, 2014): 1097–104. http://dx.doi.org/10.5560/znb.2014-4135.

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Abstract The lanthanum-rich antimonide La2NiSb was synthesized by annealing a cold-pressed pellet of the elements in a sealed silica glas tube at 1120 K. La2NiSb was characterized by powder and single-crystal X-ray diffraction: ordered Bi3Ni type, Pnma, Z =4, a=825.6(3), b=452.2(2), c=1195.5(4) pm, wR=0.0695, 856 F2 values, 26 variables. The nickel atoms form infinite zigzag chains (259 pm Ni-Ni) with trigonal-prismatic lanthanum coordination for each nickel atom. The antimony atoms cap the rectangular faces of the lanthanum prisms (336 pm La-Sb) and thereby coordinate also the nickel atoms (271 pm Ni-Sb). These rods run parallel to the b axis and form a herringbone pattern, similar to the FeB-type structure of GdNi. Although metallic conductivity is expected for La2NiSb from DFT-based band structure calculations, the real-space bonding analysis shows prominent localization of electrons on antimonide anions and positively charged lanthanum cations. The chain substructure is strongly bonded by polar covalent Ni-Sb and multicenter Ni-Ni interactions. The nickel atoms, which are involved in multicenter bonding with adjacent nickel and lanthanum atoms, provide a conductivity pathway along the prismatic strands. 121Sb Mössbauer spectroscopic data at 78 K show a single signal at an isomer shift of -7.62(3)mms-1, supporting the antimonide character. La2NiSb shows weak paramagnetism with a susceptibility of 2.5 x 10-3 emu mol-1 at room temperature.
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Weimer, Daniel. "Drugs-as-a-Disease." Janus Head 6, no. 2 (2003): 260–81. http://dx.doi.org/10.5840/jh20036212.

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This essay examines President Nixon's drug policy during the early 1970s, specifically the government's reaction to heroin use by American soldiers in Vietnam. The official response, discursively (through the employment of the drugs-as-a-disease metaphor) and on the policy level illustrated how of issues of national- and self-identity othering, and modernity intersected in the formulation and implementation of what is now termed the Drug War. Heroin using soldiers and domestic addicts, labeled as carriers of a contagious, foreign, and antimodem, dangerous disease, threatened to undermine a contingent national identity an identity weighted by capitalist modernity. Unearthing how addiction's ostensibly antimodern condition contributed to the othering of addicts as a foreign danger reveals how the United States' antidrug character and policies help maintain a national identity bound to the tenets of capitalist modernity. Methodologically, this essay combines historical analysis with literary and critical theory.
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Schellenberg, Inga, Tom Nilges, and Rainer Pöttgen. "Structural and 121Sb Mössbauer Spectroscopic Investigations of the Antimonide Oxides REMnSbO (RE = La, Ce, Pr, Nd, Sm, Gd, Tb) and REZnSbO (RE = La, Ce, Pr)." Zeitschrift für Naturforschung B 63, no. 7 (July 1, 2008): 834–40. http://dx.doi.org/10.1515/znb-2008-0705.

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Quaternary antimonide oxides REMnSbO (RE = La, Ce, Pr, Nd, Sm,Gd, Tb) and REZnSbO (RE = La, Ce, Pr) were synthesized from the RESb monoantimonides and MnO, respectively ZnO, in sealed tubes at 1170 K. Single crystals were obtained from NaCl/KCl salt fluxes. The ZrCuSiAs-type (space group P4/nmm) structures of LaMnSbO (a = 423.95(7), c = 955.5(27) pm, wR2 = 0.067, 247 F2), CeMnSbO (a = 420.8(1), c = 950.7(1) pm, wR2 = 0.097, 250 F2), SmMnSbO (a = 413.1(1), c = 942.3(1) pm, wR2 = 0.068, 330 F2), LaZnSbO (a = 422.67(6), c = 953.8(2) pm, wR2 = 0.052, 259 F2), and NdZnSbO (a = 415.9(1), c = 945.4(4) pm, wR2 = 0.109, 206 F2) were refined from single crystal X-ray diffractometer data. The structures consist of covalently bonded (RE3+O2−)+ and (T2+Sb3−)− layers with weak ionic interlayer interactions. The oxygen and transition metal atoms both have tetrahedral coordination within the layers. 121Sb Mössbauer spectra of the REMnSbO and REZnSbO compounds show single antimony sites with isomer shifts close to −8 mm s−1, in agreement with the antimonide character of these compounds. PrMnSbO and NdMnSbO show transferred hyperfine fields of 8 T at 4.2 K.
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Dissertations / Theses on the topic "Antimode"

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Durlin, Quentin. "Nouvelles structures photodétectrices à base d'antimoniures pour la détection du moyen infrarouge." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTS042.

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Le monde des détecteurs infrarouge a été révolutionné, depuis le milieu des années 2000, par l'apparition de nouvelles structures photodétectrices dont les performances surclassent celles des photodiodes. Ces photodétecteurs ont permis le développement d'une nouvelle génération de caméras plus compactes, plus fiables et moins gourmandes en énergie. Cette thèse avait pour objectif l'étude de ces nouvelles structures photodétectrices haute performance à base d'antimoniures pour la détection du moyen infrarouge entre 3-5µm.Les performances d'un photodétecteur dépendent directement de la qualité des matériaux utilisés pour la fabrication de celui-ci. Aussi, le matériau retenu pour faire office de couche d'absorption a donc dans un premier temps été finement caractérisé. Les mesures de durée de vie (DDV) des porteurs minoritaires dans le matériau se sont révélées être les plus pertinentes pour juger de la qualité des échantillons, et il est reporté une mesure de (DDV) à l'état de l'art pour une température de 80K. Le second volet de cette thèse portait sur le dimensionnement d'une structure photodétectrice à l'aide du logiciel de simulations numériques SILVACO. Une structure optimisée a été proposée puis a été fabriquée par épitaxie à jets moléculaires. A partir de celle-ci, des composants ont été réalisés en salle blanche par un procédé technologique standard. Le courant d'obscurité mesuré se situait une décade plus bas que le photocourant typique ce qui s'est avéré très encourageant pour le développement futur d'une filière basée sur ce type de structures. La dernière partie de ce manuscrit propose une piste pour faire varier la longueur d'onde de coupure de la nouvelle structure photodétectrive grâce à l'utilisation d'une couche absorbante à base de superréseaux antimoniures
Since the middle of the 2000's, new infrared photodetectors have been proposed that demonstrate better performances than photodiodes. This type of new detectors allowed the development of the compactness, reliability and energy consumption of the next generation of infrared cameras. The aim of this thesis is to study these new high performance photodetectors based on antimony semiconductors dedicated to the 3-5µm mid-infrared domain.Photodetectors performance strongly depends on the quality of its absorption material that has been characterized by diffenrent techniques. Lifetime measurements were identified as the most relevant criterion the evaluation of material quality. A state-of-the-art lifetime value has been reported at a temperature of 80K. Then, an optimized design of the photodetector has been determined using the TCAD SILVACO software. The photodetector structure has been grown by molecular beam epitaxy and devices were made by a standard fabrication process in clean room. The measured dark current was a decade lower than the typical photocurrent : this confirmed the potential of this new structure to be used as a high performance mid-infrared photodetector. Finaly, we demonstrate that the cut-off wavelength of the detector can be tuned using antimony-based superlattices
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Schäfer, Carola. "Analyse des Antimon-Resistenzmarkers ARM58 aus Leishmania infantum." Doctoral thesis, Universitätsbibliothek Leipzig, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-119243.

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Antimonpräparate sind seit über 60 Jahren der Standard zur Behandlung der Leishmaniose. Immer häufiger kommt es jedoch zum Therapieversagen durch resistente Erreger. In Indien sprechen über 60 % der erstmalig mit Antimonpräparaten behandelten Patienten nicht mehr auf die Therapie an (Sundar et al., 2000). Obwohl dies ein großes Problem darstellt, ist bisher wenig über die Resistenzmechanismen der Parasiten bekannt. Durch die Aufklärung dieser Mechanismen könnten zwei Hauptziele erreicht werden: i) Es könnten optimierte Medikamente entwickelt werden, die die Resistenzmechanismen der Parasiten umgehen. ii) Es könnten diagnostische Maßnahmen ergriffen werden, um vor Beginn einer Therapie deren Erfolgschancen zu kalkulieren. So würde man dem Patienten die starken Nebenwirkungen sowie die Kosten der Antimontherapie ersparen. Desweiteren könnte sofort mit einer wirkungsvollen Therapie begonnen und somit die Zeitspanne verkürzt werden, in der der infizierte Patient ein Reservoir für die weitere Transmission der Parasiten darstellt. In Vorarbeiten wurde durch genetische Komplementation das Gen LbrM20_V2.0210 (Lbr_0210) vorläufig identifiziert, das bei Überexpression Antimonresistenz vermittelt (Dissertation A. Nuehs, 2010). Diese Arbeiten wurden mit Leishmania braziliensis durchgeführt. Direkt benachbart befindet sich ein strukturell sehr ähnliches Gen, LbrM20_V2.0200 (Lbr_0200). Beide Gene wurden bei den vorangegangenen Sb(III)-Selektionen untersucht. Hierbei konnte ausschließlich Lbr_0210 als resistenzvermittelnd identifiziert werden. Datenbankrecherchen ergaben, dass es zu Lbr_0210 je ein direktes orthologes Gen in Leishmania infantum und Leishmania major gibt. Das Ziel des ersten Teils dieser Doktorarbeit war es, die resistenzvermittelnde Funktion des zu Lbr_0210 orthologen Gens aus L. infantum, LinJ34.0220, in unterschiedlichen Leishmania-Spezies zu verifizieren. Es war vor allem wichtig die Frage zu beantworten, ob das Gen auch im pathogenen Stadium des Parasiten, also in intrazellulären Amastigoten, Resistenz gegenüber Pentostam®, einem Standardmedikament, vermittelt. Im zweiten Teil dieser Arbeit sollte das Protein strukturell und zellbiologisch charakterisiert werden, um Hinweise auf den Resistenzmechanismus zu erhalten. Durch den Vergleich mit dem zu Lb_0200 orthologen Gen aus L. infantum, LinJ34.0210, sollten Hinweise auf die unterschiedlichen Aufgaben der Proteine gesammelt werden.
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Rouwane, Asmaa. "Mobilité de l'Arsenic (As) et l'antimoine (Sb) d'origine géogénique dans un sol hydromorphe d'une zone humide agricole." Thesis, Limoges, 2016. http://www.theses.fr/2016LIMO0103.

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Nous avons identifié le rôle de la distribution solide et l’implication de facteurs (potentiel d’oxydoréduction, anions compétiteurs, activité biologique, matière organique (MO)) dans la mobilité de l’arsenic (As) et l’antimoine (Sb) dans un sol de zone humide (ZH) agricole. Pour cela, nous avons effectué i) un suivi de la physico–chimie de l’eau interstitielle de la ZH et ii) des incubations en batch du sol de surface de la ZH (0–20/30 cm). En parallèle, nous avons déterminé la distribution solide de As et Sb sur le sol de la ZH à différentes profondeurs (0–130 cm). Nous avons démontré que As est accumulé à la surface du sol avec une association préférentielle avec les oxyhydroxydes de Fe/Mn « amorphes » (59% de As total) en présence de taux élevés de MO. En conditions réductrices, As est fortement solubilisé (jusqu’à 20% de la teneur en As total) contrairement aux conditions oxydantes ce qui est associé i) à la dissolution des oxyhydroxydes de Fe/Mn catalysée par l’activité microbienne et ii) au changement de la spéciation inorganique de As sous forme de As(III) (espèce plus mobile que As(V)). Pour ce qui est de Sb, il est accumulé à la surface du sol avec i) une distribution plus étendues avec les phases solides (27% et 15% dans les oxyhydroxydes de Fe/Mn « amorphes » et « cristallins », 21% dans la MO et 32% dans la fraction résiduelle) et ii) une affinité directe pour la MO contrairement à As. La mobilisation de Sb est favorisée en conditions oxydantes (jusqu'à 5 μg.L–1) en présence de MO dissoute dans l’eau interstitielle et est limitée en conditions réductrices (<3%) (0,2 μg.L–1 dans l’eau interstitielle et 1,5 μg.L–1 dans les batch). Cette mobilité en conditions réductrices est attribuée i) à la dissolution réductrice des oxyhydroxydes de Fe/ Mn catalysée par l’activité microbienne réductrice du sol et ii) au possible changement d’état d’oxydation de Sb sous forme de Sb(III) (espèce moins mobile que Sb(V)). En conditions réductrices, l’apport de 50 mg.L–1 de nitrates et de 20 mg.L–1 de phosphates au sol a engendré une mobilisation plus importante de As et Sb (d’un facteur 2,3 et 1,6, respectivement) qui est attribuée à une possible amplification de la respiration microbienne du sol causant une production plus importante en ions hydrogénocarbonates qui en plus des ions phosphates favoriserait la mobilisation de As et Sb par des effets de compétition
In this study, we evaluated the effect of i) solid-phase distribution and ii) biophysico–chemical factors (redox potential (Eh), competing anions, microbial activity, organic matter (OM)) on the mobility of arsenic (As) and antimony (Sb) in an agricultural wetland soil. For that, we first performed a physico–chemical monitoring of wetland porewater (field scale) then we conducted controlled batch incubations of the wetland soil (0–20/30 cm) (batch scale). The solid–phase distribution of As and Sb in wetland soil was also performed at different soil depths (0–130 cm). We showed that the highest As content was found in the upper soil layers (0–40 cm) with a preferential association to “amorphous” oxyhydroxydes (59% of total As) in presence of high levels of OM. Under reducing conditions, As was highly solubilized at both field and batch scale (up to 20% of the total As content) which was induced by i) the dissolution of Fe/Mn oxyhydroxides enhanced by soil microbial activity and ii) As(V) reduction into As(III) (very mobile specie). On the other hand, Sb mobilization was enhanced under oxidizing conditions at field scale (up to 5 μg.L–1) with the concomitant occurrence of dissolved OM (up to 93 mg.L–1) and was rather limited under reducing conditions (<3% of the total Sb content; 0.2 μg.L–1 at field scale and up to 1.5 μg.L–1 at batch scale). The mobility behavior of Sb was attributed to i) the dissolution of Fe/Mn oxyhydroxides catalyzed by microbial activity, ii) the possible occurrence of Sb in its less mobile form (Sb(III)) under reducing conditions and iii) probable DOM–induced mobilization under oxidizing conditions. Under reducing conditions, the addition of nitrate (50 mg.L–1) and phosphate (20 mg.L–1) to wetland soil, enhanced As and Sb mobilization by factors of 2.3 and 1.6 which was suggested to be caused by the combined competing effect of phosphate and hydrogenocarbonate ions; the latter one resulting from a possible enhanced microbial activity
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Verdugo, Andrés Verónica. "Studies on As and Sb oxoanions adsorption. Use of mass spectroscopy and synchrotron techniques on process characterisation." Doctoral thesis, Universitat Autònoma de Barcelona, 2019. http://hdl.handle.net/10803/667798.

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Los estudios que se han llevado a cabo en la presente tesis doctoral se basan en el desarrollo de mejoras del proceso de adsorción para la eliminación de oxoaniones, en concreto arsénico y antimonio, por su toxicidad y valor comercial. Las mejoras se centran en la posibilidad de reutilizar el adsorbente (arsénico), y en los métodos sintéticos de adsorbentes que permitan controlar el proceso de adsorción (antimonio). Para ello, se han realizado estudios de adsorción-desorción en discontinuo, de ambos oxoaniones, utilizando un adsorbente comercial polimético, Metalzorb® sponge y su modificación mediante Nanopartículas de Oxidos de Hierro Superparamagnéticos (SPION). Diferentes técnicas analíticas (ICP-MS, espectrofotometría UV-Vis) se han utilizado para obtener la concentración de As y Sb en las disoluciones. Técnicas de microscopía como SEM y TEM se aplicaron para la caracterización de las nanopartículas y diferentes técnicas espectroscópicas (FTIR y XAS) han sido utilizadas para caracterizar el proceso de adsorción y su mecanismo. La desorción del As se ha llevado acabo mediante la aplicación de un potencial a una solución que contenía el esponja cargada con As(V), para intentar reducirlo a As(III) y con ello conseguir su desorción de la esponja. No ha sido posible llevar a cabo este proceso de reducción sin un reactivo químico que actúe como agente reductor. El uso de electrodos inertes no ha dado resultados favorables. Los mejores resultados se han obtenido con el uso combinado de un electrodo de estaño y una rejilla de acero recubierta de estaño como electrodos de trabajo y contraelectrodo, respectivamente , alcanzando un 60% de eliminación de As. Durante este proceso se observa la formación de un precipitado blanco (compuesto por As y Sn) que indica que el estaño juega un papel clave en este proceso. En relación con la esponja, se ha desarrollado un nuevo material como adsorbente para la eliminación de Sb. La forma de inmovilizar el SPION en la esponja influye en las propiedades fisicoquímicas del adsorbente y en el proceso de adsorción. Entre las diferentes síntesis evaluadas, la síntesis del SPION directamente sobre la superficie de la esponja presenta las mejores características, ya que favorece la difusión de las nanopartículas en la matriz de la esponja, aumentando la estabilidad del adsorbente y mejorando su capacidad de adsorción. Además, presenta la cinética de adsorción más rápida debido a la presencia de nanopartículas tanto en la superficie como la de pequeñas nanopartículas en el interior (≈ 4.75 nm), aumentando la superficie de contacto entre el SPION de la esponja con la solución de antimonio, y mejorando tanto la cinética de adsorción como el proceso de difusión. La comparación de este material con la esponja sugiere que ambos materiales son adecuados para la adsorción de Sb (Sb(III) y Sb(V). Sin embargo, la presencia de SPION mejora el proceso. La adsorción del Sb en la esponja esta fuertemente influenciada por el pH, el tiempo de contacto, la concentración inical y la temperatura. Esto, junto a su facil desorción mediante compuestos anionicos y agentes complejantes en solución indica que el Sb(III) y el Sb(V) interaccionan debilmente con la esponja. La presencia del SPION dinminuye la dependencia de la adsorción de Sb de estos factores, lo que junto a su dificil desorción, indica que la interacciona de una forma mas estable con el SPION. Las medidas de XAS y FTIR confirman estos resultados. El Sb(III) y Sb(V) debido a su menor afinidad se absorben en la esponja a traves de puentes de H o interacciones electrostáticas, lo que indica la formación de complejos de esfera externa. La presencia del SPION facilita la formación de enlaces Fe-O-Sb, formádose complejos de esfera interna.
The studies that have been carried out in the present PhD thesis Project are based on the development of an improved adsorption process for oxoanions removal, specifically arsenic and antimony due to their toxicity and commercial value. The upgrades are focused on the possibility of adsorbent reuse (As), and on synthetic methods that could endow materials scientists with tools to precisely tailor their structures/pores and have accurate control of adsorption (Sb). For this, adsorption-desorption studies of arsenic and antimony have been performed using a commercial polymeric adsorbent, Metalzorb® sponge, and its modification by SuperParamagnetic Iron Oxide Nanoparticles (SPION). Adsorption-desorption studies will be performed in batch mode. Analytical techniques (ICP-MS, UV-Vis spectrometry) were used to obtain information regarding the Sb and As content in solution. Microscopy techniques (TEM and SEM) were applied to characterise the nanoparticles. Spectroscopic techniques (FTIR and XAS) were used to characterise the adsorption process mechanism. Arsenic desorption process has been performed by applying an electrochemical potential to the solution containing the adsorbent loaded with As(V) to achieve its reduction to As(III) and its desorption from Metalzorb® sponge. This reduction process is not possible without a chemical reagent. The use of inert electrodes does not produce any As(V) reduction. Whereas a combination of Sn and Sn coating on stainless steel mesh as working and counter electrode, respectively, present the best results (60% of As(V) reduction), also forming a white precipitate (As-Sn compound properly characterised), which indicate that Sn plays a key role in As removal. Concerning the Metalzorb® sponge, a new application of enhanced adsorbent material for Sb removal is envisaged. The pathway used for SPION loaded into sponge influences the physicochemical properties of the adsorbent and the sorption process. Among the different synthesis evaluated, direct synthesis shows the best characteristics, producing SPION nanoparticles diffusion inside of the matrix of the sponge, increasing the adsorbent stability and their sorption properties. Furthermore, it is the fastest adsorbent due to the NP placement on the external sponge surface, as well as the presence of smaller NPs (≈ 4.75 nm). There is an increase of the adsorption sites, creating a larger contact area between loaded-SPION/target solution, and enhancing the adsorption kinetics and producing a decrease in the diffusion layer. Comparison of this material with Metalzorb® sponge suggest that both are appropriate adsorbents for antimony (Sb(III) and Sb(V)). However, the presence of SPION improves the removal process enhancing bare sponge adsorption properties. Sb adsorption on the sponge is influenced by pH, contact time, initial concentration and temperature. The strong pH influence, S-type isotherm profiles, the strong effect of interfering anions, and the easy chemical desorption using ionic and complexation stripping agents indicate that Sb(III) and Sb(V) are adsorbed to the sponge by weak interactions. The presence of SPION reduce the pH influence and the influence of interfering anions and shows an L-type isotherm. These evidence, together with almost inexistent desorption with the stripping agent used indicates that Sb(III) and Sb(V) are adsorbed to the sponge+SPION system by strong interactions. XAS and FTIR measurements confirm these results. With a lower affinity, Sb(III) and Sb(V) are absorbed into the bare sponge through H-bonding and electrostatic interaction, which indicates the formation of outer-sphere complexes. The presence of SPION facilitates the formation of the Fe-O-Sb bonds. For Sb(III), adsorption is independent of the pH, indicating that inner-sphere complexes are formed with a partial Sb(III) oxidation (to Sb(V)). On the contrary, Sb(V) adsorption depends on the pH, reducing its sorption capacity up to 40 % when the pH increases from 8 to 9. This pH dependency indicates that inner- and outer-sphere complexes are generated during Sb(V) adsorption.
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5

Guiollard, Pierre-Christian. "L'industrie minière de l'antimoine et du tungstène : emergence, prospérité et disparition des exploitations de France métropolitaine aux XIXe et XX siècles." Thesis, Mulhouse, 2009. http://www.theses.fr/2009MULH3021.

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Antimoine et tungstène, deux "petits métaux" qui, à différentes périodes, eurent une importance stratégique liée à l'industrialisation et l'armement. L'antimoine, connu depuis l'Antiquité, fut exploité en France à partir du XVIe siècle mais c'est aux XIXe et XXe siècles qu'il fit l'objet d'une exploitation significative. Les applications industrielles du tungstène, plus récentes, datent de la fin du XIXe siècle. Aux XIXe et XXe siècles, plusieurs périodes présentent une convergence entre la taille des gisements, les méthodes d'exploitation et de traitement employées, la structure des entreprises et la consommation de ces métaux. Cette conjonction s'avère favorable à la prospérité, dans la période préindustrielle puis au XXe siècle, au développement des mines métropolitaines. La dispersion des compagnies et la multitude de petits gisements fut, au contraire, préjudiciable à la prospérité de cette activité. Dans les années 1960, l'implication de l'Etat dans la recherche minière, à travers le BRGM, puis les mesures de soutien à la prospection privée, aboutirent à la découverte de nouveaux gisements de métaux non-ferreux. En revanche, l'implication de l'Etat dans l'exploitation minière, à travers COFRAMINES, fut moins favorable. La gestion administrative et peu réactive s'avéra inadaptée à la versatilité du marché de ces métaux. Aujourd'hui, en France, la mine se heurte à de telles contraintes, sociales, administratives et environnementales, que la relance d'une exploitation de l'antimoine et du tungstène parait peu probable, dans les conditions économiques actuelles
Antimony and tungsten, two "small alloy metals" that both, at different periods of time, had a strategic importance, linked to industrialisation and armament. Antimony which was known in Antiquity, has been mined in France since the 16th century, but it was truly during the 19th and 20th centuries. Industrial applications of tungsten are recent, dating back to the last decade of the 19th century. During the 19th and 20th centuries, several periods present a convergence between the size of deposits, the methods used to exploit and process, the companies' structure, and the consumption of these two metals. This conjunction was favourable to the antimony mines' prosperity during the pre-industrial period then, in the 20th century, to the development of several mines. The dispersion of companies, on a multitude of small deposits, is prejudicial to the development of antimony and wolfram-rich districts like those of the Massif Central. The French State's implication, through the BRGM's actions starting in the 1960s, then by the establishment of aids towards private prospecting, was beneficial for the discovery of non-ferrous metals deposits. However, the State's decision to change from exploration to mining, through COFRAMINES, was less favourable. The administration management, sometimes burdened and slow to react, showed itself to be inadequate in a context as versatile as the antimony and tungsten market. Today the mining industry, in its whole, faces such social, administrative and environmental constraints, that the antimony and tungsten mining industry's revival, in today's economic and political situation, remains improbable
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6

Preda, Ana Maria, Ciprian I. Raţ, Cristian Silvestru, Heinrich Lang, Tobias Rüffer, and Michael Mehring. "Hypervalent diorganoantimony(III) fluorides via diorganoantimony(III) cations – a general method of synthesis." Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-197814.

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Novel diorganoantimony(III) fluorides containing ligands with pendant arms, R2SbF (5), (R)PhSbF (6) [R = 2-(2′,6′-iPr2C6H3N[double bond, length as m-dash]CH)C6H4], R′′2SbF (7) and (R′′)PhSbF (8) [R′′ = 2-(Me2NCH2)C6H4], were prepared via the ionic derivatives [R2Sb]+[PF6]− (1), [(R)PhSb]+[PF6]− (2), [R′′2Sb]+[SbF6]− (4) and [(R′′)PhSb]+[SbF6]− (obtained in situ) by treatment with [Bu4N]F·3H2O. The ionic species used as starting materials as well as [R′2Sb]+[PF6]− (3) [R′ = 2-(2′,4′,6′-Me3C6H2N[double bond, length as m-dash]CH)C6H4] were obtained from the corresponding bromides or chlorides and Tl[PF6] or Ag[SbF6]. The compounds were investigated by multinuclear NMR spectroscopy in solution, MS and IR spectroscopy in the solid state. The molecular structures of the ionic species 1·2CH2Cl2 and 3·2CHCl3 as well as of the fluorides 5–8 were determined by single-crystal X-ray diffraction
Dieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich
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7

Minelli, Arianna. "Les bronzes monophosphate de tungstène et l'antimoine : l'interaction entre l'instabilité de "framework" et le couplage électron-phonon." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAY085/document.

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Les phonons mous et le couplage électron-phonon sont considérés comme responsables d’un grand nombre de transition de phase. Pour en comprendre complétement les mécanismes, il est nécessaire d’étudier à la fois les modifications structurales, les changements de configuration électronique et les dynamiques de réseau cristallin. De toute évidence, cela représente une charge de travail expérimental et théorique considérable, voire même hors d’atteinte.Néanmoins, il est parfois possible d’introduire certaines simplifications et d’ainsi rendre une telle étude réalisable. C’est le cas pour les deux systèmes au cœur de ce travail de thèse, pour lesquels la transition de phase peut être diviser en deux instabilités : l’une est structurale, intrinsèque aux éléments constitutifs du système et l’autre, superposée, provient de la configuration électronique. L’interaction entre ces instabilités est illustrée à travers l’exemple de deux systèmes à priori hétérogènes, la famille des bronzes monophosphate de tungstène d’une part et l’antimoine d’autre part, qui révèleront finalement posséder des similarités inattendues. La combinaison des techniques de diffusion diffuse et de diffusion inélastique de rayons X permet des observations qualitatives et une meilleure compréhension de la situation pour les deux systèmes.Les bronzes monophosphate de tungstène font partie de la famille des oxydes quasi-2D, (PO2)4(WO3)2m, qui ont la particularité d’être sujet à des instabilités de type onde de densité de charges (ODC). Ces bronzes sont constitués d’une structure de perovskite vide composée par des couches octaédriques (WO3)2m. L’épaisseur de chacune de ces couches est définie par la valeur de m, qui mène ainsi à différents types de phase d’ODC. Le cas du terme m=2 a aussi été étudié car le fait que les chaînes zig-zag y soient isolées conduit à une instabilité quasi-1D. La présence d’une phase d’ODC a été découverte à TC=270K avec q=0.25b*. Cette phase est engendrée par le mouvement à corps rigide, plus exactement, par les basculements corrélés des octaèdres. Pour les autres termes (m=6,7 et 8), l’instabilité structurale a une origine différente et est liée à l’agencement en couches de WO3, plus particulièrement aux déplacements corrélés des chaînes W-O-W-O. Ces derniers sont la cause d’une forte diffusion diffuse sur des plans spécifiques, résultant de la présence de phonons ’relativement’ mous localisés dans la même région. Ensuite, l’emboitement de la surface de Fermi quasi-2D est à l’origine de l’ancrage du vecteur de modulation sur une valeur spécifique de transfert de moment, définit par l’interaction de deux instabilités, structurale et électronique. De façon remarquable, l’amplitude des déplacements des atomes de tungstène dans le terme m=8 est beaucoup plus élevée que dans le m=6.L’antimoine à température ambiante possède une structure rhomboédrique, dérivant d’une légère distorsion de la structure cubique primitive (CP) par transition de Peierls. Sous pression, la distorsion se réduit sans toutefois disparaître complétement, puisque l’antimoine se transforme dans un premier temps en une série de structures complexes, pour finalement adopter celle possédant la plus grande symétrie, la structure cubique centrée (CC). De la même façon que pour les bronzes, les caractéristiques de la diffusion diffuse ainsi que, dans une certaine mesure, les particularités de la dynamique du réseau rhomboédrique, s’expliquent à travers de l’instabilité du réseau cubique primitif. Cette dernière est liée aux déplacements corrélés dans les chaînes avec direction pseudo-cubique <100>. En outre, les détails de la transition de phase peuvent être explicités par l’association de l’analyse des vecteurs critiques de la transformation CC-CP avec les résultats expérimentaux obtenus sur la dépendance en pression de l’énergie des phonons
A large number of phase transitions can be interpreted as being driven by phonon softening and/or electron-phonon coupling. Thus, a full mechanistic description requires the understanding of structural transformation, changes in electronic structure and lattice dynamics. All together this represents an enormous, for many cases unrealisable, experimental and theoretical effort.However, with the introduction of appropriate assumptions the problem may be simplified. Here we concentrate on two systems, where the interpretation of the phase transition may be split into an intrinsic instability of the building blocks combined with a superimposed electronic instability. We illustrate the interplay between the framework and electron-phonon-related instabilities using the seemingly heterogeneous examples of phosphate tungsten bronzes and elementary antimony. Based on the combined results from diffuse and inelastic X-ray scattering, we propose for the two systems a picture that explains the experimental observations. The similarities found between these two systems are deemed to be rather surprising.Monophosphate tungsten bronzes are a family of quasi-2D-oxides, (PO2)4(WO3)2m, that exhibits charge density wave (CDW) instability. They contain empty perovskite WO3 slabs with varying thickness between different members, characterised by the $m$ value. This thickness defines the sequence of charge density wave phases that appear on cooling. The degenerate case of $m$=2, presenting a quasi-1D instability, was explored since the WO3-octahedra zig-zag chain is isolated. A CDW phase (TC=270K and q=0.25b*) is found to be linked to a rigid-body motion, precisely, to a correlation in the tilting of the octahedra. For the others studied members, as m=6,7 and 8, we found another kind of structural instability. In this case the origin comes from the WO$_3$ slabs framework, realised as correlated displacements of tungsten atoms along the octahedral 4-fold axis direction (W-O-W-O direction). This leads to a strong x-ray diffuse scattering localised in specific planes, linked to relatively soft phonons modes. Specific Fermi surface nesting, close to the 2D case, gives rise to a freezing of the modulations at the specific momentum transfer, defined by the interplay of two instabilities, the structural and electronic one. Remarkably, the displacements of W for m=8 are much superior than in m=6.Elemental antimony at ambient condition has an A7 rhombohedral structure, obtained by small distortion from primitive cubic (PC) lattice through a Peierls transition. Under pressure, the distortion is reduced, but remains finite, as antimony transforms through a series of highly complex structures, before adopting as last the highest-symmetry body-centred cubic (BCC) phase. The main diffuse scattering features and to some extent the peculiarities in the lattice dynamics of the A7 phase – as above - can be explained by the instability of the primitive cubic network with respect to correlated displacements along the chains with <100> pseudo-cubic directions. Analysis of critical vectors for the BCC-PC transformation together with experimentally obtained phonon-energies pressure dependence provides further insights into the details of the phase transformation
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8

Lundstedt, Evert. "Adsorption av Sb på zeolit." Thesis, Växjö University, School of Technology and Design, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-1591.

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Detta examensarbete är en förundersökning till Glafos undersökning angående rening av glasbrukens processvatten från antimon med zeolit.

Förundersökningen gick ut på att via experiment ta reda på hur mycket antimon som adsorberas av behandlad (för optimering: dels med NaNO3 och dels med NaCl) och obehandlad zeolit (porstorlek 0.4 nm). pH mättes och ställdes eftersom det har betydelse för adsorptionen, åtminstone vid väldigt lågt pH. När lösningarna hade filtrerats mättes den kvarvarande antimonhalten med atomabsorptionsspektrofotometri. Mätningarna visade att i genomsnitt 53 % av Sb-halten i lösningarna hade adsorberats av zeoliten. Förundersökningen visade att det inte blir någon adsorption då pH är väldigt lågt (under 1). Den visade också att när pH är över 4 verkar det inte ha någon betydelse om zeoliten är behandlad eller inte.

Zeoliten bör behandlas med NaCl först i en tank med omrörning, sedan blandas i processvattnet (vars pH justerats till pH 4) i en tank eller bassäng och därefter filtreras.

Tidsfaktorn för hur lång tid det tar för zeoliten att nå jämvikt och temperaturens inverkan bör även undersökas.


The aim of this diploma work is to study the removal of antimony from glassworks process water using zeolites.

The experimental part of the studies were carried out to find the quantity of antimony adsorbed by the zeolite. The studies included treated (for optimization: partly with NaNO3 and partly with NaCl) and untreated zeolite. The pore size is 0.4 nm. pH was measured and adjusted because it is important for the antimony adsorption. When the solutions were filtrated the content of antimony left was measured with atomic absorption spectrophotometry. The measurements showed an average uptake of antimony by the zeolite of 53 %.The preinvestigation indicates that with a very low pH (below 1) there is no antimony adsorption. It also indicates that with pH above 4 it does not matter if the zeolite are treated or not.

In further investigations the zeolite should be treated with NaCl in a stirred tank, then be mixed in the process water (pH is set to 4) in a tank or basin and then be filtrated.

The time to reach equilibrium and the influence of temperature should also be investigated.

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9

Pochon, Anthony. "Magmatisme mafique et minéralisations Sb-Au dans le domaine Centre Armoricain : contrôles spatio-temporels et implications metallogéniques." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S101/document.

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Au sein de la croûte terrestre, une grande partie des processus de mobilisation et redistribution des métaux résulte de circulations de fluides à grande échelle. Par conséquent, c’est un paramètre clé dans la formation de nombreux types de gisements variés. Les zones de déformation étant les vecteurs principaux des circulations de fluides, la plupart des gisements d’or (Au) et d’antimoine (Sb) se retrouvent localisés au sein des ceintures orogéniques. Le Massif Armoricain constitue un segment de la chaîne varisque ouest-européenne et contient de nombreux gisements à Sb-Au. L’objectif de cette thèse est à la fois de fournir de nouvelles contraintes sur la genèse des minéralisations varisques à Sb-Au et d’améliorer l’état des connaissances sur les processus critiques à l’origine des circulations de fluides minéralisatrices. Ainsi, une analyse des relations spatiales et des analyses structurales, géochronologiques et géochimiques ont été réalisées sur les gisements à Sb-Au du Domaine Centre Armoricain (DCA) et sur le gisement du Semnon en particulier. Une grande partie des gisements à Sb-Au est spatialement associée à des zones denses et relativement magnétiques suggérant la présence de corps mafiques/ultramafiques en profondeur. Cela est supporté par les nombreuses occurrences de dykes et sills de dolérites à travers toute la région. Ces dykes et sills sont issus d’un important évènement magmatique mafique mis en place à 360 Ma durant un changement drastique de la dynamique de convergence, passant de la subduction continentale à l’initiation de la collision. Les minéralisations à Sb-Au du DCA sont précoces dans l’histoire Carbonifère de la chaîne varisque armoricaine. Par conséquent, la plupart des minéralisations du DCA ne sont pas associées à l’évènement hydrothermal minéralisateur tardi-Carbonifère, bien connu dans la chaîne varisque européenne, en particulier au sein des zones internes de la chaîne tel que le Massif Central français. Au-delà du fait que cet évènement hydrothemal à Sb-Au soit précoce, la mise en place d’un magmatisme mafique généralisé dans la croûte supérieure du DCA est synchrone avec les minéralisations à Sb-Au et apparait comme un paramètre essentiel dans la mobilisation de circulations de fluides minéralisateurs advectifs. A plus grande échelle, la mise en place d’un magmatisme mafique couplée à la circulation de fluides hydrothermaux à Sb-Au met en lumière et améliore nos connaissances sur les processus hydrothermaux, magmatiques et tectoniques d’échelle lithosphérique gouvernant l’hydrothermalisme porteur de métaux. Par conséquent, ces résultats ouvrent de nouvelles perspectives pour l’exploration minière, notamment dans la recherche de nouveaux gisements d'antimoine et d'or au sein de la chaîne varisque européenne
Through the Earth’s crust, a major part of the mobilization and the redistribution processes of metals are the result of large-scale fluid flows. Consequently, it is a key factor in the formation of various types of mineral deposits. Because deformation zones are the principal vector for fluid flows, most hydrothermal antimony (Sb) and gold (Au) deposits are localized in orogenic deformed belts. As a western part of the European Variscan belt, the Armorican Massif hosts several Sb-Au deposits. The purpose of this work is to provide new constraints on the genesis of these Variscan Sb-Au mineralization and to improve our knowledge about critical processes for hydrothermal mineralizing fluid flows. For these reasons, spatial relationships, structural, geochemical and geochronological investigations were performed on the Sb-Au deposits from the Central Armorican Domain (CAD), the Le Semnon Sb-Au deposit in particular. A major part of Sb-Au deposits are spatially associated with high-density and magnetic zones reflecting the presence of mafic/ultramafic bodies at depth and that is supported by numerous occurrences of dolerite dykes and sills throughout the region. These dykes and sills are issued from an important mafic magmatic event at ca. 360 Ma emplaced during a plate dynamic shift from continental subduction to incipient collision stage. Sb-Au mineralization from the CAD belongs to the early Carboniferous history within the Variscan framework. Consequently, most of Sb-Au mineralization (at least in the CAD) is not related to the Late Carboniferous hydrothermal mineralizing event, well-identified in the Variscan southernmost internal zones and especially in the French Massif Central. Beyond that early hydrothermal event, the widespread emplacement of a mafic magmatism in the CAD upper crust is coeval with Sb-Au mineralization and appears as a major trigger for highly advective mineralizing fluid flows. At a larger scale, mafic magmatism emplacement coupled with early Carboniferous Sb-Au hydrothermal fluid flows highlights and improves our knowledge of lithospheric-scale tectonics, magmatic and hydrothermal processes governing such metal-bearing hydrothermalism. As a consequence, those results provide a new framework for future mining exploration of antimony and gold deposits in the European Variscan belt
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10

Wehmeier, Silvia. "Antimony isotope fractionation through biomethylation." Thesis, University of Aberdeen, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401160.

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Fermenter cultures with anaerobe bacteria communities (sewage sludge medium) were analysed for volatile and non-volatile methylantimony species.  Gas-samples were analysed by GC-ICP-MS, and fermenter sludge medium and cytosol by HG-GC-ICP-MS.  Trimethylstibine was the sole volatile species, and non-volatile methylantimony species were found in the fermenter sludge medium, but higher levels were found in sludge cytosol. Antimony isotopic fractionation values were determined as high as d 123Sb + 150 in one fermenter experiment.  Additionally, the species-specific isotope ratio ‘fingerprint’ from the methylantimony species confirmed the mechanism proposed by Challenger for the biomethylation process.  It showed the formation of partially methylated antimony species as intermediates.  However, other stimulated bacteria cultures did not show any antimony isotope fractionation through biomethylation. Further investigation into the biomethylation process was studied to determine whether antimonate, Sb(V), is methylated by anaerobe bacteria communities.  For this purpose, isotopically enriched 123Sb(V) was used to monitor the antimony isotope ratio of the methylantimony metabolite species.  The antimonate was stepwise methylated. Environmental gas samples from a landfill site and a digester plant, showed trimethylstibine as the prominent organometal(loid)-species.  Moreover, the biovolatilisation species trimethylstibine was determined to have an antimony isotope fractionation value of d 123Sb + 10. Antimony-glutathione complexes were identified in both in vivo and in vitro studies of antimony interactions with biomolecules.  The molecular structures of these Sb-GS complexes were determined using FI-ESI-MS.  The glutathione influence was then further investigated in a non-enzymatic methylation of antimony with methylcobalamin.  The prominent species produces in vivo was monomethylantimony, with small amount of dimethylantimony.
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Books on the topic "Antimode"

1

Trotter, John. Definition, Russell's antimony, etc. Aranda, ACT, Australia: Just Talk, 1995.

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2

Razeghi, M. Antimony: Characteristics, compounds, and applications. Hauppauge, N.Y: Nova Science Publishers, 2011.

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3

Valentinus, Basilius. The triumphal chariot of antimony. Edmonds, WA: Alchemical Press, 1992.

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MacKey, John Francis. Some esters of antimony trioxide. [Toronto]: University Library, pub. by the Librarian, 1996.

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Palencia, Cesar M. Antimony availability--market economy countries: A minerals availability appraisal. [Washington, DC] (2401 E St., NW, Washington 20241): U.S. Dept. of the Interior, Bureau of Mines, 1986.

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Palencia, Cesar M. Antimony availability--market economy countries: A minerals availability appraisal. Washington, DC: U.S. Bureau of Mines, 1986.

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Valentinus, Basilius. Triumphwagen des Antimons: Text, Kommentare, Studien. Elberfeld: Oliver Humberg, 2004.

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Scott, Jennifer. The Geochemistry of antimony in sediments and antimony in fish tissues of Sudbury area lakes. Sudbury, Ont: Laurentian University, 2001.

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Nguyễn, Văn Bình. Quặng hoá antimon miền Bắc Việt Nam. Hà Nội: [Nhà xuất bản Khoa học tự nhiên và công nghệ], 2008.

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Polyvi͡annyĭ, Ivan Rodionovich. Metallurgii͡a surʹmy. Alma-Ata: "Gylym", 1991.

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Book chapters on the topic "Antimode"

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Houston, Jacqueline R. "Antimony." In Encyclopedia of Earth Sciences Series, 37–38. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_56.

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Houston, Jacqueline R. "Antimony." In Encyclopedia of Earth Sciences Series, 1–2. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39193-9_56-1.

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Crowson, Phillip. "Antimony." In Minerals Handbook 1992–93, 14–20. London: Palgrave Macmillan UK, 1992. http://dx.doi.org/10.1007/978-1-349-12564-7_2.

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Rheingold, A. L. "Antimony." In Inorganic Reactions and Methods, 58–59. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145326.ch35.

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Clemente, Rafael. "Antimony." In Environmental Pollution, 497–506. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4470-7_18.

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Brookins, Douglas G. "Antimony." In Eh-pH Diagrams for Geochemistry, 30–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73093-1_10.

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Crowson, Phillip. "Antimony." In Minerals Handbook 1994–95, 14–20. London: Palgrave Macmillan UK, 1994. http://dx.doi.org/10.1007/978-1-349-13431-1_2.

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Crowson, Phillip. "Antimony." In Minerals Handbook 1996–97, 19–27. London: Palgrave Macmillan UK, 1996. http://dx.doi.org/10.1007/978-1-349-13793-0_2.

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Schwarz-Schampera, Ulrich. "Antimony." In Critical Metals Handbook, 70–98. Oxford: John Wiley & Sons, 2013. http://dx.doi.org/10.1002/9781118755341.ch4.

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Bourgeois, Marie M. "Antimony." In Hamilton & Hardy's Industrial Toxicology, 39–44. Hoboken, New Jersey: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781118834015.ch06.

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Conference papers on the topic "Antimode"

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Szafranek, Igor, Ornit Amir, Zipora Calahora, Amnon Adin, and David Cohen. "Blooming effects in indium antimode focal plane arrays." In AeroSense '97. SPIE, 1997. http://dx.doi.org/10.1117/12.280383.

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Sano, Takuya T. "Antimode dynamics and chaotic itinerancy in the coherence collapse of semiconductor lasers with optical feedback." In SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, edited by Rajarshi Roy. SPIE, 1993. http://dx.doi.org/10.1117/12.164784.

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Barloková, Danka, Ján Ilavský, and Karol Munka. "Removal of Antimony from Water Using GEH Sorption Material at Different Filter Bed Volumes." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.069.

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The article presents the results of antimony removal from the water at Dúbrava water resource using GEH sorption material at three different amounts (volumes) of the filter bed. Based on the results of the experiment we calculated the linear dependences of the amount (volume) of the bed and the absorption capacity, the time of contact of water with the material, bed volume (V/V0 ratio), the duration of filtration and the adsorbed antimony volume in the filter bed. These values were deter-mined for antimony concentrations of 5 μg/L at the outlet from the filter columns, i.e. for limit concentrations of antimony in drinking water, with an average concentration of antimony in raw water being 90.3 μg/L and the average filtration rate being in the range from 5.3 to 5.4 m/h.
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Moss, Jamey, Sam Subramanian, Vince Soorholtz, Michael Thomas, Mark Gerber, and C. M. Chan. "Failure Analysis of Autoclave-Stressed SRAMs with Aluminum Fuses." In ISTFA 1999. ASM International, 1999. http://dx.doi.org/10.31399/asm.cp.istfa1999p0293.

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Abstract Several hundred units were subjected to autoclave stress as part of the qualification of a new fast static RAM. Many units failed after autoclave stress, and these parts recovered after conventional depotting using nitric acid and a hot plate. Based on the recovery of the units, the failures were determined to be fuse-related because the nitric acid cleared the fuse cavities during depotting. Chemical analysis after thermally extracting the die from the package revealed an antimony-rich material in failing fuse cavities. Source of the antimony was linked to antimony trioxide added to the plastic package as a fire retardant. However, it was unclear whether the antimony-rich material caused the failure or if it was an artifact of thermal depotting. A new approach that did not thermally or chemically alter the fuse cavities was employed to identify the failing fuses. This approach used a combination of back-side grinding, dimpling, and back-side microprobing. The antimony-rich material found in the fuse cavity was confirmed using SEM and TEM-based EDS analysis, and it is believed to be a major contributing factor to fuse failures. However, it is unclear whether the short was caused by the antimony-rich material or by a reaction between that material and residual aluminum (oxide) left in the fuse cavity after the laser blows.
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Pillai, Sharad Babu, Som Narayan, Shweta D. Dabhi, and Prafulla K. Jha. "First principles calculation of two dimensional antimony and antimony arsenide." In DAE SOLID STATE PHYSICS SYMPOSIUM 2015. Author(s), 2016. http://dx.doi.org/10.1063/1.4947988.

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Chang, Pai-Chun, Jian-Shan Ye, Fwu-Shan Sheu, and Jia Grace Lu. "Nanoscale antimony pH probe." In Optics East 2006, edited by Nibir K. Dhar, Achyut K. Dutta, and M. Saif Islam. SPIE, 2006. http://dx.doi.org/10.1117/12.690388.

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Krishna, Sanjay. "Antimonide based avalanche photodiodes." In Infrared Technology and Applications XLVII, edited by Gabor F. Fulop, Masafumi Kimata, Lucy Zheng, Bjørn F. Andresen, and John Lester Miller. SPIE, 2021. http://dx.doi.org/10.1117/12.2588360.

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Schwarz, Udo D., Claudia Ritter, Markus Heyde, and Klaus Rademann. "Adhesion and Friction on the Nanometer Scale: Energy Dissipation During Sliding of Antimony Islands on Graphite and MoS2." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63898.

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Antimony nanoparticles grown on highly oriented pyrolytic graphite and molybdenum disulfide were used as a model system to investigate the contact area dependence of frictional forces. Controlled translation of the antimony nanoparticles was induced by the action of the oscillating tip in a dynamic force microscope. During manipulation, the power dissipated due to tip-sample interactions was recorded. We found that the threshold value of the power dissipation needed for translation depends linearly on the contact area between the antimony particles and the substrate. Assuming a linear relationship between dissipated power and frictional forces implies a direct proportionality between friction and contact area. Particles smaller than 10000 nm2, however, were found to show dissipation close to zero. To explain the observed behavior, we suggest that structural lubricity might be the reason for the low dissipation in the small particles, while elastic multistabilities might dominate energy dissipation in the larger particles.
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Zhang, Yong-Hang. "Antimony-based long-wavelength VCSELs." In Frontiers in Optics. Washington, D.C.: OSA, 2004. http://dx.doi.org/10.1364/fio.2004.fthe5.

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Hickey, Carolyn, M. Trahan-Verma, and D. M. DePoy. "Antimony Selenide in Multilayer Coatings." In Optical Interference Coatings. Washington, D.C.: OSA, 2001. http://dx.doi.org/10.1364/oic.2001.the4.

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Reports on the topic "Antimode"

1

Smith, A. B., and A. Fessler. Neutrons and antimony neutronic evaluations. Office of Scientific and Technical Information (OSTI), May 2000. http://dx.doi.org/10.2172/761284.

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Britt, Allison, and Anthony Senior. Australian Resource Reviews: Antimony 2020. Geoscience Australia, 2021. http://dx.doi.org/10.11636/9781922446534.

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Hitchcock, C. W., R. J. Gutmann, J. M. Borrego, I. B. Bhat, and G. W. Charache. Antimonide based devices for thermophotovoltaic applications. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/325755.

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CA Wang. Antimony Based III-V Thermophotovoltaic Devices. Office of Scientific and Technical Information (OSTI), June 2004. http://dx.doi.org/10.2172/836453.

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Chuang, Shun L., and Russell D. Dupuis. Antimony-Based Type-II Superlattice Photodetectors. Fort Belvoir, VA: Defense Technical Information Center, September 2010. http://dx.doi.org/10.21236/ada533220.

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Essington, Michael E. Antimony(V) Adsorption by Variable-Charge Minerals. Fort Belvoir, VA: Defense Technical Information Center, October 2013. http://dx.doi.org/10.21236/ada606833.

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Smith, A. B. Neutrons and antimony physical measurements and interpretations. Office of Scientific and Technical Information (OSTI), May 2000. http://dx.doi.org/10.2172/761283.

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Nicols, Samuel Piers. Self- and zinc diffusion in gallium antimonide. Office of Scientific and Technical Information (OSTI), January 2002. http://dx.doi.org/10.2172/795370.

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Hitchcock, C. W., R. J. Gutmann, H. Ehsani, I. B. Bhat, C. A. Wang, M. J. Freeman, and G. W. Charache. Ternary and quaternary antimonide devices for thermophotovoltaic applications. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/307840.

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Tsaur, S. C. Czochralski growth of gallium indium antimonide alloy crystals. Office of Scientific and Technical Information (OSTI), February 1998. http://dx.doi.org/10.2172/329561.

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