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Journal articles on the topic 'San Juan Ixcoi Mass'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Esper Angillieri, M. Yanina, and Laura P. Perucca. "Mass movement in Cordón de las Osamentas, de La Flecha river basin, San Juan, Argentina." Quaternary International 301 (July 2013): 150–57. http://dx.doi.org/10.1016/j.quaint.2013.03.009.

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Petrucci, Romina, Emiliano Jofré, Martín Schwartz, Andrea Buccino, and Pablo Mauas. "TTVs study in southern stars." Proceedings of the International Astronomical Union 7, S286 (2011): 441–44. http://dx.doi.org/10.1017/s1743921312005236.

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AbstractIn this contribution we present 4 complete planetary transits observed with the 40-cm telescope “Horacio Ghielmetti” located in San Juan(Argentina). These objects correspond to a continuous photometric monitoring program of Southern planet host-stars that we are carrying out since mid-2011. The goal of this project is to detect additional planetary mass objects around stars with known transiting-planets through Transit Timing Variations (TTVs). For all 4 transits the depth and duration are in good agreement with the values published in the discovery papers.

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Flynn, Andrew G., and Daniel J. Peppe. "Early Paleocene tropical forest from the Ojo Alamo Sandstone, San Juan Basin, New Mexico, USA." Paleobiology 45, no. 4 (2019): 612–35. http://dx.doi.org/10.1017/pab.2019.24.

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AbstractEarliest Paleocene megafloras from North America are hypothesized to be low diversity and dominated by long-lived cosmopolitan species following the Cretaceous/Paleogene (K/Pg) mass extinction. However, megafloras used to develop this hypothesis are from the Northern Great Plains (NGP) of North America, and relatively little is known about floras from southern basins. Here, we present a quantitative analysis of an earliest Paleocene megaflora (<350 kyr after K/Pg boundary) from the Ojo Alamo Sandstone in the San Juan Basin (SJB), New Mexico. The megaflora, comprising 53 morphotypes,

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Krebs, M., H. P. Schertl, W. V. Maresch, and G. Draper. "Mass flow in serpentinite-hosted subduction channels: P–T–t path patterns of metamorphic blocks in the Rio San Juan mélange (Dominican Republic)." Journal of Asian Earth Sciences 42, no. 4 (2011): 569–95. http://dx.doi.org/10.1016/j.jseaes.2011.01.011.

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5

Núñez-Campero, Segundo R., Lorena Suárez, María Josefina Buonocore Biancheri, et al. "Host Suitability and Fitness-Related Parameters in Coptera haywardi (Hymenoptera: Diapriidae) Reared on Irradiated Ceratitis capitata (Diptera: Tephritidae) Pupae Stemming From the tsl Vienna-8 Genetic Sexing Strain." Journal of Economic Entomology 113, no. 4 (2020): 1666–74. http://dx.doi.org/10.1093/jee/toaa109.

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Abstract Coptera haywardi (Ogloblin) is a pupal endoparasitoid of tephritid flies with great potential as a biological control agent worldwide as it does not attack other Diptera. To reach its full potential, its mass rearing needs to be enhanced lowering costs. Here, we focused on the use of irradiated pupae of Ceratitis capitata (Wiedemann) stemming from the temperature-sensitive lethal (tsl) Vienna-8 genetic sexing strain (= CcVienna-8), which is mass-produced in the San Juan Medfly and Parasitoid Mass Rearing Facility in Argentina. Exposure of 1- to 2-d-old CcVienna-8 pupae irradiated at 9

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Duschatzky, Claudia B., Mirta L. Possetto, Laura B. Talarico, et al. "Evaluation of Chemical and Antiviral Properties of Essential Oils from South American Plants." Antiviral Chemistry and Chemotherapy 16, no. 4 (2005): 247–51. http://dx.doi.org/10.1177/095632020501600404.

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The essential oils of seven aromatic plants from Córdoba, San Luis and San Juan Provinces (Argentina) were isolated by steam distillation and analysed by a gas chromatography/mass spectrometry technique. The oils were screened for cytotoxicity and in vitro inhibitory activity against herpes simplex virus type 1 (HSV-1), dengue virus type 2 (DENV-2) and Junin virus (JUNV) by a virucidal test. The oils showed a variable virucidal action according to the virus. The better relationship between cytotoxicity and antivirus action was observed with the essential oils of Heterothalamus alienus and Budd

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Arcusa, Stephanie H., Nicholas P. McKay, Cody C. Routson, and Samuel E. Munoz. "Dust-drought interactions over the last 15,000 years: A network of lake sediment records from the San Juan Mountains, Colorado." Holocene 30, no. 4 (2019): 559–74. http://dx.doi.org/10.1177/0959683619875192.

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Millions of people in the arid Southwest United States rely on snow-fed Colorado River water. Dust deposition on snow accelerates snowmelt, posing a challenge for water managers who also need to grapple with increased likelihood of drought due to climate change. Dust production is thought to increase during drought, but the impact of drought on dust deposition is unclear. To answer this question, total dust mass accumulation rate (DMAR) reconstructions were developed from sediment cores from three lakes in the San Juan Mountains, Colorado, spanning the last ~15,000 years. Monte-Carlo end-membe

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Flynn, Andrew G., Adam J. Davis, Thomas E. Williamson, et al. "Early Paleocene Magnetostratigraphy and Revised Biostratigraphy of the Ojo Alamo Sandstone and Lower Nacimiento Formation, San Juan Basin, New Mexico, USA." GSA Bulletin 132, no. 9-10 (2020): 2154–74. http://dx.doi.org/10.1130/b35481.1.

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Abstract The lower Paleocene Ojo Alamo Sandstone and Nacimiento Formation from the San Juan Basin (SJB) in northwestern New Mexico preserve arguably the best early Paleocene mammalian record in North America and is the type location for the Puercan (Pu) and Torrejonian (To) North American land mammal ages (NALMA). However, the lack of precise depositional age constraints for the Ojo Alamo Sandstone and lower Nacimiento Formation has hindered our understanding of the timing and pacing of mammalian community change in the SJB following the Cretaceous–Paleogene mass extinction. Here we produced a

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Horch, E., W. F. Van Altena, T. M. Girard, C. E. López, and O. Franz. "Speckle Interferometry of Double Stars from the Southern Hemisphere." Symposium - International Astronomical Union 166 (1995): 392. http://dx.doi.org/10.1017/s0074180900228684.

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We have started a new program of double star observations in the southern hemisphere which utilizes the technique of speckle interferometry. Observations are made using the Stanford University speckle interferometer on the 76-cm reflector at the Cesco Observatory at El Leoncito, Argentina (jointly run by Universidad Nacional de San Juan and Yale Southern Observatory), although we will also have access to larger aperture telescopes. The Stanford system, formerly used at Lick Observatory, is on long term loan to us from Dr. Gethyn Timothy and features a multi-anode microchannel array (MAMA) dete

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Skopychenko, I., V. Finchuk, and N. Vergelska. "Determination of areas of gas methane accumulation in carbon-mass massives by transient electromagnetic sounding method (on the example of the San Juan coal basin; USA)." Geofizicheskiy Zhurnal 40, no. 3 (2018): 192–98. http://dx.doi.org/10.24028/gzh.0203-3100.v40i3.2018.137201.

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Cuervas-Mon, J., L. Jordá-Bordehore, J. A. Nazareno, and K. F. Escobar. "Evaluación de la estabilidad de excavaciones mineras de pequeño diámetro mediante clasificaciones geomecánicas y análisis empíricos: el caso de la mina de San Juan, Ecuador." Trabajos de Geología 35, no. 35 (2017): 19. http://dx.doi.org/10.17811/tdg.35.2015.19-28.

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Resumen: Desde los años setenta del pasado siglo se viene empleando con éxito en todo el mundo una metodología de análisis preliminar de estabilidad de huecos subterráneos basada en el uso de las clasificaciones geomecánicas, siendo las más empleadas el RMR de Bieniawski y el índice Q de Barton. Esta última es la que se empleará en este estudio. Se trata de una aproximación empírica que permite estimar, mediante la asignación de una puntuación, la calidad del macizo rocoso, con el objetivo de conocer su grado de estabilidad ante la ejecución de una excavación subterránea. En la presente invest

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Gonzalez-Suarez, Consuelo Belmonte, and Karen Grimmer-Somers. "The Association of Physical Activity and Physical Fitness With Pre-Adolescent Obesity: An Observational Study in Metromanila, Philippines." Journal of Physical Activity and Health 8, no. 6 (2011): 804–10. http://dx.doi.org/10.1123/jpah.8.6.804.

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Background:Childhood obesity has been inconsistently associated with decreased levels of physical activity and fitness. Moreover, little is known about this relationship among Filipino preteens.Methods:This cross sectional study reports the association between childhood obesity, measures of physical activity, and fitness. Children aged 11 to 12 from randomly selected schools from San Juan, Metromanila were included. Outcome measures were body mass index, Filipino modified Physical Activity Questionnaire for Older children (F_PAQ-C), standing broad jump, 50 m sprint and 20 m multistage shuttle

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ROBALINO FLORES, Ximena del Rocío, Aida Mercedes BALLADARES SALTOS, Marcela Esther GUERENDIAIN MARGNI, and Fátima MORALES MARÍN. "Anthropometric and hematological tests to diagnose nutritional deficiencies in schoolchildren of indigenous communities living in the Andean region of Ecuador." Revista de Nutrição 30, no. 6 (2017): 723–33. http://dx.doi.org/10.1590/1678-98652017000600005.

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ABSTRACT Objective To carry out the anthropometric and biometric-hematological assessments in schoolchildren of the Andean region of Ecuador, in order to improve the diagnosis of nutritional deficiencies. Methods The study has been carried out in the San Juan School (Chimborazo, Ecuador), located at 3,240m of altitude, to 36 children of 5 and 6 years old. Anthropometric analyses (weight, height and body mass index), and hematocrit and hemoglobin concentrations were measured. The hemoglobin measurement was evaluated considering the normal value and the one adapted to the altitude of the area. R

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Roy, Alex J., and Matthew S. Lachniet. "Late Quaternary glaciation and equilibrium-line altitudes of the Mayan Ice Cap, Guatemala, Central America." Quaternary Research 74, no. 1 (2010): 1–7. http://dx.doi.org/10.1016/j.yqres.2010.04.010.

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AbstractThe Sierra los Cuchumatanes (3837 m), Guatemala, supported a plateau ice cap and valley glaciers around Montaña San Juan (3784 m) that totaled ∼ 43 km2 in area during the last local glacial maximum. Former ice limits are defined by sharp-crested lateral and terminal moraines that extend to elevations of ∼ 3450 m along the ice cap margin, and to ca. 3000–3300 m for the valley glaciers. Equilibrium-line altitudes (ELAs) estimated using the area–altitude balance ratio method for the maximum late Quaternary glaciation reached as low as 3470 m for the valley glaciers and 3670 m for the Maya

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Suárez, Lorena, María Josefina Buonocore Biancheri, Guillermo Sánchez, et al. "Radiation on Medfly Larvae of tsl Vienna-8 Genetic Sexing Strain Displays Reduced Parasitoid Encapsulation in Mass-Reared Diachasmimorpha longicaudata (Hymenoptera: Braconidae)." Journal of Economic Entomology 113, no. 3 (2020): 1134–44. http://dx.doi.org/10.1093/jee/toaa062.

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Abstract Improvements in the mass rearing of Diachasmimorpha longicaudata (Ashmead) on larvae of the Vienna-8 temperature-sensitive lethal genetic sexing strain of Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) (= GSS Vienna-8) at the San Juan biofactory, Argentina, are currently under way. Lowering cost production is a key factor regarding parasitoid rearing. Thus, the variation in mass-reared parasitoid encapsulation levels and the incidence of superparasitism were determined; also, the gamma radiation dose-effect relation on host larvae and the influence of Mediterranean fruit fly st

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Dobkowski, Katie. "The role of kelp crabs as consumers in bull kelp forests—evidence from laboratory feeding trials and field enclosures." PeerJ 5 (May 25, 2017): e3372. http://dx.doi.org/10.7717/peerj.3372.

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The Northern kelp crab (Pugettia producta) and the graceful kelp crab (Pugettia gracilis) are common primary consumers in bull kelp beds near the San Juan Islands (Salish Sea, NE Pacific). In this system, urchins (often considered the most voracious herbivores exerting top-down control on kelp beds) tend to remain sedentary because of the high availability of detrital macroalgae, but the extent to which kelp crabs consume kelp (and other food options) is largely unknown. I conducted four types of laboratory feeding experiments to evaluate kelp crab feeding patterns: (1) feeding electivity betw

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17

Barrera-Toledo, Juan C., Sergio Melgar, and Edith Oregon. "Diseño, estandarización e implementación de una nueva técnica en Guatemala, para el diagnóstico rápido de hemocultivos positivos, utilizando la tecnología Maldi-tof." Ciencia, Tecnología y Salud 8, no. 1 (2021): 93–103. http://dx.doi.org/10.36829/63cts.v8i1.905.

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LLas enfermedades infecciosas son un problema de salud que a pesar de los avances médicos siguen cobrando vidas en todo el mundo; como las septicemias. La presente investigación tuvo por objetivo diseñar, estandarizar e implementar un protocolo inexistente en Guatemala, para el diagnóstico rutinario de hemocultivos positivos dentro de las instalaciones del Laboratorio Clínico del Hospital General San Juan de Dios, lugar en donde se encuentra el único espectrómetro de masas de tipo Maldi-tof (Matrix Assisted Laser Desorption Ionization-Time of flight-mass spectrometry). Se utilizaron 240 muestr

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Abraham, S., V. Díaz, A. Moyano, et al. "Irradiation dose does not affect male reproductive organ size, sperm storage, and female remating propensity in Ceratitis capitata." Bulletin of Entomological Research 111, no. 1 (2020): 82–90. http://dx.doi.org/10.1017/s0007485320000437.

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AbstractThe Mediterranean fruit fly Ceratitis capitata is a globally invasive pest, often controlled with the sterile insect technique (SIT). For the SIT, mass-rearing of the target insect followed by irradiation are imperatives. Sterile males are often less able to inhibit female remating and transfer less number of sperm, and even irradiation could affect male reproductive organs, with consequences for their ability to inhibit female remating. On the other hand, male age could affect their ability to modulate female response after mating. Here, we evaluated the quality of the genetic sexing

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Hertwig, A., W. V. Maresch, and H. P. Schertl. "Jadeitite and Related Rocks in Serpentinite Mélanges from the Rio San Juan Complex, Dominican Republic: Evidence for Both Isochemical Replacement and Metasomatic Desilication of Igneous Protoliths with Fluid-Assisted Jadeite Growth." Russian Geology and Geophysics 62, no. 5 (2021): 496–524. http://dx.doi.org/10.2113/rgg20204265.

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Abstract —This study presents an overview of the systematic petrography, mineralogy, and geochemistry of jadeitite and jadeite-rich rocks found as blocks in the serpentinite mélanges of the Rio San Juan Complex (RSJC) of the northern Dominican Republic. The RSJC is one of the remnants of the subduction/accretionary complex of the Great Caribbean Arc that once spanned the gap between North and South America, moved relatively eastward to its present position as the Lesser Antilles island arc, and left collisional fragments along the two continental margins. Our systematic collection of heterogen

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Kuciauskas, Arunas P., Peng Xian, Edward J. Hyer, Mayra I. Oyola, and James R. Campbell. "Supporting Weather Forecasters in Predicting and Monitoring Saharan Air Layer Dust Events as They Impact the Greater Caribbean." Bulletin of the American Meteorological Society 99, no. 2 (2018): 259–68. http://dx.doi.org/10.1175/bams-d-16-0212.1.

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AbstractDuring the spring and summer months, the greater Caribbean region typically experiences pulses of moderate to heavy episodes of airborne African dust concentrations that originate over the Sahara Desert and propagate westward across the tropical North Atlantic basin. These dust episodes are often contained within the Saharan air layer (SAL), an elevated air mass (between 850–500 hPa) marked by very dry and warm conditions within the lowest levels. During its westward transport, the SAL’s distinct environmental characteristics can persist well into the Gulf of Mexico and southern United

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Haslam, Danielle E., Liming Liang, Dong D. Wang, et al. "Associations of network-derived metabolite clusters with prevalent type 2 diabetes among adults of Puerto Rican descent." BMJ Open Diabetes Research & Care 9, no. 1 (2021): e002298. http://dx.doi.org/10.1136/bmjdrc-2021-002298.

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IntroductionWe investigated whether network analysis revealed clusters of coregulated metabolites associated with prevalent type 2 diabetes (T2D) among Puerto Rican adults.Research design and methodsWe used liquid chromatography-mass spectrometry to measure fasting plasma metabolites (>600) among participants aged 40–75 years in the Boston Puerto Rican Health Study (BPRHS; discovery) and San Juan Overweight Adult Longitudinal Study (SOALS; replication), with (n=357; n=77) and without (n=322; n=934) T2D, respectively. Among BPRHS participants, we used unsupervised partial correlation network

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Lipman, Peter W., and Matthew J. Zimmerer. "Magmato-tectonic links: Ignimbrite calderas, regional dike swarms, and the transition from arc to rift in the Southern Rocky Mountains." Geosphere 15, no. 6 (2019): 1893–926. http://dx.doi.org/10.1130/ges02068.1.

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Abstract Radial and linear dike swarms in the eroded roots of volcanoes and along rift zones are sensitive structural indicators of conduit and eruption geometry that can record regional paleostress orientations. Compositionally diverse dikes and larger intrusions that radiate westward from the polycyclic Platoro caldera complex in the Southern Rocky Mountain volcanic field (southwestern United States) merge in structural trend, composition, and age with the enormous but little-studied Dulce swarm of trachybasaltic dikes that continue southwest and south for ∼125 km along the eastern margin of

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Parise, M. "Observation of surface features on an active landslide, and implications for understanding its history of movement." Natural Hazards and Earth System Sciences 3, no. 6 (2003): 569–80. http://dx.doi.org/10.5194/nhess-3-569-2003.

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Abstract. Surface features are produced as a result of internal deformation of active landslides, and are continuously created and destroyed by the movement. Observation of their presence and distribution, and surveying of their evolution may provide insights for the zonation of the mass movement in sectors characterized by different behaviour. The present study analyses and describes some example of surface features observed on an active mass movement, the Slumgullion earthflow, in the San Juan Mountains of southwestern Colorado. The Slumgullion earthflow is one of the most famous and spectac

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Beck, Erin, William Kirkwood, David Caress, et al. "SeaWASP: A Small Waterplane Area Twin Hull Autonomous Platform for Shallow Water Mapping." Marine Technology Society Journal 43, no. 1 (2009): 6–12. http://dx.doi.org/10.4031/mtsj.43.1.7.

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AbstractStudents with Santa Clara University (SCU) and the Monterey Bay Aquarium Research Institute (MBARI) are developing an innovative platform for shallow water bathymetry. Bathymetry data is used to analyze the geography, ecosystem, and health of marine habitats. Current methods for shallow water measurements typically involve large manned vessels that are costly to operate and that may pose a danger to themselves and the environment in shallow, semi-navigable waters. Small vessels, however, are prone to disturbances by shallow water waves, tides, and currents, thereby requiring more instr

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Guerrero, Rodrigo, and Pedro Rovetto. "The teaching of medicine at Universidad del Valle." Colombia Medica 41, no. 4 (2011): 302–5. http://dx.doi.org/10.25100/cm.v41i4.720.

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The first formal attempt for medical education in Valle del Cauca was in the Faculty of Medicine and Surgery in Buga, which was part of the Colegio Académico between 1866 and 1871. It only had one graduating class of ten physicians in 1871. Its foundation was contemporaneous with the faculties of medicine at Universidad de Antioquia and Universidad del Cauca; the reasons for its prompt disappearance are unknown. The professional training concerns of the región were maintained through the creation of the Sociedad de Medicina del Cauca (Cauca Medical Society) in 1887, which gave rise to the Bole

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KITLV, Redactie. "Book Reviews." New West Indian Guide / Nieuwe West-Indische Gids 75, no. 1-2 (2001): 123–88. http://dx.doi.org/10.1163/13822373-90002561.

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-Virginia R. Dominguez, Louis A. Pérez, Jr., On becoming Cuban: Identity, nationality, and culture. Chapel Hill: University of North Carolina Press, 1999. xiv + 579 pp.-Solimar Otero, Kali Argyriadis, La religión à la Havane: Actualités des représentations et des pratiques culturelles havanaises. Paris: Éditions des Archives Contemporaines,1999. 373 pp.-Jane Desmond, Jane Blocker, Where is Ana Mendieta?: Identity, performativity, and exile. Durham NC: Duke University Press, 1999. xvi + 166 pp.-Richard Handler, Amílcar A. Barreto, Language, elites, and the state: Nationalism in Puerto Rico and

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Allan, J. D., D. Baumgardner, G. B. Raga, et al. "Clouds and aerosols in Puerto Rico – a new evaluation." Atmospheric Chemistry and Physics 8, no. 5 (2008): 1293–309. http://dx.doi.org/10.5194/acp-8-1293-2008.

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Abstract. The influence of aerosols, both natural and anthropogenic, remains a major area of uncertainty when predicting the properties and behaviour of clouds and their influence on climate. In an attempt to better understand warm cloud formation in a tropical marine environment, a period of intensive measurements took place in December 2004 in Puerto Rico, using some of the latest developments in online instrumentation such as aerosol mass spectrometers, cloud condensation nuclei counters and a hygroscopicity tandem differential mobility analyser. Simultaneous online measurements of aerosol

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Louzao Villar, Joseba. "La Virgen y lo sagrado. La cultura aparicionista en la Europa contemporánea." Vínculos de Historia. Revista del Departamento de Historia de la Universidad de Castilla-La Mancha, no. 8 (June 20, 2019): 152. http://dx.doi.org/10.18239/vdh_2019.08.08.

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RESUMENLa historia del cristianismo no se entiende sin el complejo fenómeno mariano. El culto mariano ha afianzado la construcción de identidades colectivas, pero también individuales. La figura de la Virgen María estableció un modelo de conducta desde cada contexto histórico-cultural, remarcando especialmente los ideales de maternidad y virginidad. Dentro del imaginario católico, la Europa contemporánea ha estado marcada por la formación de una cultura aparicionista que se ha generadoa partir de diversas apariciones marianas que han establecido un canon y un marco de interpretación que ha ali

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"ESTUDIO QUÍMICO DE LOS TALLOS DE CINCHONA PUBESCENS." Revista ECIPeru, January 15, 2019, 19–24. http://dx.doi.org/10.33017/reveciperu2010.0003/.

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ESTUDIO QUÍMICO DE LOS TALLOS DE CINCHONA PUBESCENS CHEMICAL STUDY OF CINCHONA PUBESCENS STEMS Karin Loayza O, Brás H. de Oliveira, Elena Cóndor C y Víctor Reyna P Facultad de Ciencias, Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Lima-Perú Departamento de Química, Universidad Federal de Paraná, Curitiba –PR, Brasil- CEP 81.531-990, Brasil. DOI: https://doi.org/10.33017/RevECIPeru2010.0003/ RESUMEN De los tallos de Cinchona Pubescens que fueron colectados en la localidad de Yuracmallo (a 1 380 msnm, distrito de San Juan de Oro, Provincia de Sandia, Dpto. Puno) se aisló la quinina,

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Pravdivtseva, O., M. E. Varela, A. Meshik, et al. "Neutron capture 128 Xe and 129 Xe in the San Juan mass of the Campo del Cielo IAB iron meteorite: Evidence for a high fluence of thermalized neutrons." Meteoritics & Planetary Science, July 9, 2021. http://dx.doi.org/10.1111/maps.13708.

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