Academic literature on the topic 'Anomalie Gadolinium'

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Journal articles on the topic "Anomalie Gadolinium"

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Kim, Ki-Hyun, Robert H. Byrne, and Jong Hyeon Lee. "Gadolinium behavior in seawater: a molecular basis for gadolinium anomalies." Marine Chemistry 36, no. 1-4 (1991): 107–20. http://dx.doi.org/10.1016/s0304-4203(09)90057-3.

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Vidiri, A., M. Crecco, R. Floris, R. Mastrostefano, M. Mattioli, and S. Squillaci. "Angiomi venosi o «anomalie di sviluppo venoso»." Rivista di Neuroradiologia 9, no. 1 (1996): 37–46. http://dx.doi.org/10.1177/197140099600900104.

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Sono stati studiati con RM 29 pazienti con anomalie di drenaggio venoso in condizio-ni basali e dopo Gadolinio-DTPA; 24 sono stati sottoposti anche ad angio-RM. Nella valutazione dei risultati è stato assegnato un punteggio: 0 quando l'anomalia non era evidenziata; 1 per la rappresentazione del solo collettore; 2 per la dimostrazione del collettore e delle vene midollari; 3 per la dimostrazione del collettore, delle vene midollari e del tipo di drenaggio. È stata inoltre considerata la presenza di eventuali angiomi cavernosi associati e l'eventuale correlazione con la sintomatologia. Le sequen
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Zon, Ilya, and Victor Shelukhin. "Anomalies in the gadolinium doped ceria resistance below 90K." Materials Chemistry and Physics 134, no. 1 (2012): 219–23. http://dx.doi.org/10.1016/j.matchemphys.2012.02.054.

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Bau, Michael, and Peter Dulski. "Anthropogenic origin of positive gadolinium anomalies in river waters." Earth and Planetary Science Letters 143, no. 1-4 (1996): 245–55. http://dx.doi.org/10.1016/0012-821x(96)00127-6.

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Zabrecky, Jordan M., Xiao-Ming Liu, Qixin Wu, and Cheng Cao. "Evidence of Anthropogenic Gadolinium in Triangle Area Waters, North Carolina, USA." Water 13, no. 14 (2021): 1895. http://dx.doi.org/10.3390/w13141895.

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Gadolinium (Gd), a member of the rare earth elements (REE), is becoming an increasingly observed microcontaminant in waters of developed regions. Anthropogenic Gd anomalies were first noted in 1996 and were determined to be sourced from Gd-based contrast agents used in magnetic resonance imaging (MRI). This study investigates Gd anomalies in North Carolina’s Triangle Area, focusing on surrounding wastewater treatment plants (WWTPs). Samples were obtained from upstream and downstream of selected WWTPs as well as a freshwater reservoir that supplies part of the region’s drinking water. The PAAS-
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Greil, G. F., A. J. Powell, H. P. Gildein, and T. Geva. "Gadolinium-enhanced three-dimensional magnetic resonance angiography of pulmonary and systemic venous anomalies." ACC Current Journal Review 11, no. 4 (2002): 101. http://dx.doi.org/10.1016/s1062-1458(02)00753-5.

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Greil, Gerald F., Andrew J. Powell, Hans P. Gildein, and Tal Geva. "Gadolinium-enhanced three-dimensional magnetic resonance angiography of pulmonary and systemic venous anomalies." Journal of the American College of Cardiology 39, no. 2 (2002): 335–41. http://dx.doi.org/10.1016/s0735-1097(01)01730-2.

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Zhang, Jue, Zhuhong Wang, Qixin Wu, Yanling An, Huipeng Jia, and Yuanyi Shen. "Anthropogenic Rare Earth Elements: Gadolinium in a Small Catchment in Guizhou Province, Southwest China." International Journal of Environmental Research and Public Health 16, no. 20 (2019): 4052. http://dx.doi.org/10.3390/ijerph16204052.

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Rare earth elements (REEs), known as “industrial vitamins”, are widely used in medical treatment, industry, agriculture, etc. However, with the increasing demand for REEs, excess REEs, such as gadolinium (Gd), are considered micropollutants in the environment. In this paper, the distributions of dissolved REEs were analyzed in three small streams, in order to determine the extent and occurrence of Gd anomalies. The shale-normalized REE patterns in the three streams were less smooth with heavy REEs higher than light REEs, for a weak reaction of the heavy REE complexes. A negative Ce (cerium) an
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Romanova, Tatiana I., Mihail G. Korotkov, and Yuri V. Korzhov. "Prevalence of rare earth elements in natural waters of Khanty-Mansiysk." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 335, no. 7 (2024): 20–32. http://dx.doi.org/10.18799/24131830/2024/7/4546.

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Relevance. New data on the content of lanthanides in the water–rock system are important for understanding the behavior of rare-earth elements in the environment, open up the possibility of using them as indicators of geochemical processes and anthropogenic factor, taking into account the specialities of their migration and fractionation. Aim. Assessment of the quantitative content and distribution of rare-earth elements (La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) in the surface and underground waters of Khanty-Mansiysk to identify the main patterns of their behavior. Objects.
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Klimin, S. A., D. Fausti, A. Meetsma, L. N. Bezmaternykh, P. H. M. van Loosdrecht, and T. T. M. Palstra. "Evidence for differentiation in the iron-helicoidal chain in GdFe3(BO3)4." Acta Crystallographica Section B Structural Science 61, no. 5 (2005): 481–85. http://dx.doi.org/10.1107/s0108768105017362.

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A single-crystal X-ray structure study of gadolinium triiron tetraborate, GdFe_3(BO_3)_4, at room temperature and at 90 K is reported. At room temperature GdFe_3(BO_3)_4 crystallizes in a trigonal space group, R32 (No. 155), the same as found for other members of the iron borate family RFe_3(BO_3)_4. At 90 K the structure of GdFe_3(BO_3)_4 transforms to the space group P3_{1}21 (No. 152). The low-temperature structure determination gives new insight into the weakly first-order structural phase transition at 156 K and into the related Raman phonon anomalies. The presence of two inequivalent iro
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Dissertations / Theses on the topic "Anomalie Gadolinium"

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Louis, Pauline. "Origine, comportement et devenir des Terres Rares dans les installations de traitements des eaux résiduaires urbaines et les milieux récepteurs associés." Electronic Thesis or Diss., Université de Lorraine, 2021. https://docnum.univ-lorraine.fr/ulprive/DDOC_T_2021_0021_LOUIS.pdf.

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Les Terres Rares (REE) sont naturellement présentes dans les eaux du fait de l’érosion des roches. Elles sont également employées dans des activités anthropiques (nouvelles technologies, énergies, agriculture et médecine). Ces utilisations en constante augmentation ont fini par perturber le cycle géochimique et biologique des REE et ont mené à l’enrichissement (anomalie positive) de certaines REE dans l’hydrosphère (La, Ce, Sm et Gd). Pour le Gdanth, la pollution provient des stations de traitements des eaux usées conventionnelles (STEU) qui ne sont pas en mesure d'éliminer la forme complexe o
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Campos, Francisco Ferreira de 1990. "Anomalias antrópicas de gadolínio e distribuição dos elementos terras raras nas águas do Rio Atibaia e Ribeirão Anhumas (SP)." [s.n.], 2014. http://repositorio.unicamp.br/jspui/handle/REPOSIP/286632.

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Orientador: Jacinta Enzweiler<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Geociências<br>Made available in DSpace on 2018-08-25T06:48:42Z (GMT). No. of bitstreams: 1 Campos_FranciscoFerreirade_M.pdf: 4411120 bytes, checksum: 0ec78e552f133054bf849333f9d8386f (MD5) Previous issue date: 2014<br>Resumo: A composição de águas naturais, que inclui íons principais e muitos constituintes traço, resulta da interação da água com a litosfera, atmosfera e biosfera. Dentre os elementos-traço presentes encontram-se os elementos terras raras (ETR). Na sociedade contemporânea
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CAMPOS, Francisco Ferreira. "Anomalias antropicas de gadolinio e distribuição dos elementos terras raras nas águas do rio Atibaia e Riberão Anhumas (SP)." reponame:Repositório Institucional da CPRM, 2014. http://rigeo.cprm.gov.br/xmlui/handle/doc/1220.

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Submitted by maria carolina coutinho barrozo de freitas (maria.barrozo@cprm.gov.br) on 2014-06-27T13:38:20Z No. of bitstreams: 1 Dissertação de Mestrado - Francisco F de Campos.pdf: 6773449 bytes, checksum: 3eb8dac1857589f7ca4b26347c563fe9 (MD5)<br>Approved for entry into archive by Flasleandro Oliveira (flasleandro.oliveira@cprm.gov.br) on 2014-06-27T14:49:08Z (GMT) No. of bitstreams: 1 Dissertação de Mestrado - Francisco F de Campos.pdf: 6773449 bytes, checksum: 3eb8dac1857589f7ca4b26347c563fe9 (MD5)<br>Approved for entry into archive by Flasleandro Oliveira (flasleandro.oliveira@cprm.gov.br
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