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Albornoz, Francisco, Adriana Nario, Macarena Saavedra et Ximena Videla. « Rootstock x Environment Interactions on Nitrogen-Use Efficiency in Grafted Tomato Plants at Different Phenological Stages ». Agronomy 10, no 3 (3 mars 2020) : 350. http://dx.doi.org/10.3390/agronomy10030350.
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The use of grafting techniques for horticultural crops increases plant tolerance to various abiotic and biotic stresses. Tomato production under greenhouse conditions relies on plants grafted onto vigorous rootstocks because they sustain crops for longer periods. Growers under Mediterranean conditions usually grow crops in passive greenhouses during the summer and winter season, to provide fresh products throughout the year. No information is available with regard to the effect of the environment on nitrogen-use efficiency (NUE) in tomato plants grafted onto rootstocks with different vigor. In the present study, NUE, along with its components—uptake (NUpE) and utilization (NUtE) efficiencies—were evaluated in tomato plants grafted onto two interspecific rootstocks, conferring medium (“King Kong”) or high (“Kaiser”) vigor to the plants. The evaluations were carried out during the vegetative and reproductive stage in plants subjected to different environmental conditions resulting in different plant growth rates. The grafting treatments did not affect NUE, NUpE or NUtE in young plants, but at the reproductive stage, differences were found during the summer season (high N demand) where the vigorous rootstock increased NUpE from 55%, in non-grafted plants, to 94%, with the consequent differences in NUE. During the winter crop, no differences in NUE were found between the vigorous rootstock and non-grafted plants, but the less vigorous (cold-tolerant) rootstock enhanced NUpE. Significant positive relationships were found between plant growth rate and both NUE and NUpE, while NUtE decreased with increasing growth rate.
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Silva, Karina Gonçalves da, Mauricio Lamano Ferreira, Teresa Jocys, Shoey Kanashiro et Armando Reis Tavares. « Nitrogen use efficiency as a tool to evaluate the development of ornamental cacti species ». Ornamental Horticulture 23, no 4 (7 décembre 2017) : 419–25. http://dx.doi.org/10.14295/oh.v23i4.1063.
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Nitrogen efficiency, along with associated indexes, is a widely used tool for assessing nutritional status in agricultural species. However, this parameter is not used in studies with ornamental plants, especially epiphytic cacti species. In particular, we know very little about the potential response of ornamental cacti to N absorption and use. Therefore, this study aimed to evaluate N use efficiency (NUE), along with its associated parameters, in three species of ornamental cacti under nitrogen nutrition. To accomplish this, Rhipsalis baccifera, Rhipsalis paradoxa and Hatiora salicornioides were fertilized by Hogland and Arnon nutrition solution modified and enriched with urea in the concentrations of 0, 33.3 or 66.6 mM N during 180 days. At the end of the experiment, efficiency indexes were calculated. Efficiency parameters varied according to species. R. baccifera presented the greatest dissimilarity among the species, with highest uptake efficiency (NUpE), but lowest use efficiency (NUtE) and biomass conversion (BCE). R. paradoxa presented high values for NUE, NUtE, BCE and physiological efficiency (NPE) at concentrations of 33.3 mM N, suggesting greater investment in biological processes with lower supply of N. H. salicornioides had the highest averages in most parameters measured. Our results show that these indexes provided important comparative baseline information on nutritional status and investment strategy, thus serving as a suitable analytical tool to increase knowledge about this group of ornamental plants.
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Flantrmsky-Cárdenas, Henry Humberto. « Cloud Computing and the Change in the Universe of Information Science ». Pensamiento y Cultura 15, no 1 (1 juin 2012) : 88–93. http://dx.doi.org/10.5294/pecu.2012.15.1.7.
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Oelze, Ilse-Barbara, Elvira Müller et Kurt Neeser. « PP156 Reimbursement Of New Treatment Methods In Hospitals : Status In Germany ». International Journal of Technology Assessment in Health Care 35, S1 (2019) : 67. http://dx.doi.org/10.1017/s0266462319002617.
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IntroductionSince 2005, new treatment and diagnostic methods (NUBs) were reimbursed by individual supplementary fees. The assessment procedure for NUBs is induced by hospitals submitting a request for additional compensation of healthcare treatment to the Institute for the Fee System in the Hospital (InEK). In 2016, the legal norm §137h SGB V was introduced to evaluate medical devices (MD) of high risk classes by the Federal Joint Committee (G-BA). InEK grants a status that is valid for twelve months and impacts additional compensation as well as assessment required by G-BA. The effects of this rating seem to differ between hospitals and Statutory Health Insurance (SHI).MethodsThe published InEK decisions on NUBs were analyzed according the decision criteria and possible impact on price negotiations with SHI.ResultsIn 2018, 705 NUB requests were assessed by InEK. NUB Status 1, granting negotiation of additional coverage, was assigned to 171 procedures. Status 2 – no additional reimbursement possible - was given in 472 cases, the remaining had not sufficient information. Most NUBs (n = 368) requests did not fall under §137h; however, those with sub-Status “B” (allocated to 12) led to controversies; no participant had requested an evaluation according to §137h for the NUB. Two consultation requests receiving Status 1 B were regarded as not eligible according to § 137h by the G-BA. To avoid price negotiation delays, early consultations according to § 137h are recommended by G-BA during the NUB application.ConclusionsThe NUB process enables hospitals to receive a supplemental payment when using innovative technologies not listed in the existing German healthcare system. The question of which requirements must be fulfilled to guarantee the reimbursement should be asked at an early stage. Consultation requests to the G-BA in due time are strongly recommended. Contact between manufacturers and hospitals are advisable to support the NUB application.
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Planas i Silva, Carlota. « Cookie cloudy, cooked Google : ¡Al loro, bibliotecas en la nube ! » Ibersid : revista de sistemas de información y documentación 6 (21 août 2012) : 31–43. http://dx.doi.org/10.54886/ibersid.v6i.3967.
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Las Bibliotecas tienen que vigilar cuando hagan el cambio a la Nube. La Nube es promocionada como un servicio gratuito. El concepto de gratuidad es irresistible a cualquier decisión de un consumidor. Esta es la estrategia de Google, también seguida por Facebook, Yahoo, Apple, entre otros. Sin embargo, ¿cuál es el coste?. Contenidos y privacidad son la moneda de cambio en la Nube, la cual, a su vez, está promocionada por instituciones públicas sólo como el remedio para superar la crisis. No importa si el reme-dio causa daños colaterales, como la vulneración de privacidad, contenidos o afectación del mercado de la libre competencia, con sus respectivas leyes. Las Bibliotecas tienen que estar alerta ante la Nube, pues tienen un importante legado para preservar, no sola-mente en términos de contenidos sino también de privacidad y valores. Si hay alguna curación, a la actual falta de legislación y jurisprudencia afín, debe ser a través de soluciones legales internacionales. Por desgracia, no parece que éste sea el pronóstico inmediato para hacer frente a la Nube. Google es realmente inmenso, en un gran logos, “dios”, que sabe cada detalles de cualquier ser humano expuesto digitalmente en línea.
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Lara-Navarra, Pablo, et David Maniega-Legarda. « Conocimiento en la Nube : Evolución de las Intranets ». El Profesional de la Informacion 20, no 2 (1 mars 2011) : 175–82. http://dx.doi.org/10.3145/epi.2011.mar.07.
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Feldman, Gabriel Rubén, et Eduardo Juarez. « INTERACCIÓN DOCENTE EN LA NUBE ». Revista Electrónica Calidad en la Educación Superior 7, no 1 (31 mai 2016) : 233–51. http://dx.doi.org/10.22458/caes.v7i1.1440.
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La utilización de Tecnología de la Información y la Comunicación (TIC) en el proceso de enseñanza-aprendizaje de las disciplinas de administración ha crecido de manera acelerada. Asimismo, los trabajos de investigación que evalúan la utilidad de su uso, incluyendo la referencia a programas, simuladores, metodologías, talleres y plataformas, que puedan ser adaptados y adoptados según la necesidad. Todos estos avances descriptos se enfocan en la interacción profesor-alumno. El presente trabajo está abocado a un ámbito que no ha tenido igual evolución hasta el momento tanto en su faz empírica ni académica: la interactividad entre quienes tienen a su cargo la puesta en práctica de la tarea docente, es decir interacción profesor-profesor. Palabras Clave: Conectividad, computación en nube, trabajo en equipo.AbstractThe use of Information and Communication Technology (ICT) in the teaching-learning process in the disciplines of administration has grown rapidly. Also the research that evaluates the usefulness of its use, including the reference to programs, simulators, methodologies, workshops and platforms, which can be adapted and adopted as required. All this refers to the professor-student interaction. This paper is aimed at a field that has not had the same evolution so far, both in its academic and empirical face: the interactivity among those responsible for the implementation of the teaching task, that is to say interaction professor-professor.Keywords: Connectivity, cloud computing, teamwork
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Cabral Vargas, Brenda. « Consideraciones para el almacenamiento de archivos digitales en la nube informática en bibliotecas universitarias ». Investigación Bibliotecológica : archivonomía, bibliotecología e información 32, no 74 (12 février 2018) : 55. http://dx.doi.org/10.22201/iibi.24488321xe.2018.74.57909.
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El presente trabajo tiene por objeto identificar y describir algunos aspectos en torno al almacenamiento de archivos digitales en la nube. Para ello partimos de definir qué es la nube, para luego describir sus características. Además se señalan algunas ventajas, desventajas y limitaciones que tiene el almacenamiento en la nube informática, así como recomendaciones para las instituciones de educación superior que requieran planear un proyecto de arquitectura de nube para preservar sus archivos digitales. Se consideran únicamente los aspectos de planeación, no aquellos relacionados con la gestión u organización documental en la nube.AbstractThis paper identifies and describes several aspects associated with storage of digital files in the cloud. A definition of the cloud is ventured and its major features detailed in order to distinguish advantages, disadvantages and limitations that must be taken into account when information is stored in the cloud. Several recommendations are provided for higher education institutions tasked with planning the architecture to be deployed for organizing digital files using the cloud computing.
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Brown, Bruce Alan, et Andrea Sommer-Mathis. « Tu felix Austria nube : Hochzeitsfeste der Habsburger im 18. Jahrhundert ». Notes 53, no 2 (décembre 1996) : 463. http://dx.doi.org/10.2307/900130.
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Evenepoel, Charlotte, Egbert Clevers, Lise Deroover, Wendy Van Loo, Christophe Matthys et Kristin Verbeke. « Accuracy of Nutrient Calculations Using the Consumer-Focused Online App MyFitnessPal : Validation Study ». Journal of Medical Internet Research 22, no 10 (21 octobre 2020) : e18237. http://dx.doi.org/10.2196/18237.
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Background Digital food registration via online platforms that are coupled to large food databases obviates the need for manual processing of dietary data. The reliability of such platforms depends on the quality of the associated food database. Objective In this study, we validate the database of MyFitnessPal versus the Belgian food composition database, Nubel. Methods After carefully given instructions, 50 participants used MyFitnessPal to each complete a 4-day dietary record 2 times (T1 and T2), with 1 month in between T1 and T2. Nutrient intake values were calculated either manually, using the food composition database Nubel, or automatically, using the database coupled to MyFitnessPal. First, nutrient values from T1 were used as a training set to develop an algorithm that defined upper limit values for energy intake, carbohydrates, fat, protein, fiber, sugar, cholesterol, and sodium. These limits were applied to the MyFitnessPal dataset extracted at T2 to remove extremely high and likely erroneous values. Original and cleaned T2 values were correlated with the Nubel calculated values. Bias was estimated using Bland-Altman plots. Finally, we simulated the impact of using MyFitnessPal for nutrient analysis instead of Nubel on the power of a study design that correlates nutrient intake to a chosen outcome variable. Results Per food portion, the following upper limits were defined: 1500 kilocalories for total energy intake, 95 grams (g) for carbohydrates, 92 g for fat, 52 g for protein, 22 g for fiber, 70 g for sugar, 600 mg for cholesterol, and 3600 mg for sodium. Cleaning the dataset extracted at T2 resulted in a 2.8% rejection. Cleaned MyFitnessPal values demonstrated strong correlations with Nubel for energy intake (r=0.96), carbohydrates (r=0.90), fat (r=0.90), protein (r=0.90), fiber (r=0.80), and sugar (r=0.79), but weak correlations for cholesterol (ρ=0.51) and sodium (ρ=0.53); all P values were ≤.001. No bias was found between both methods, except for a fixed bias for fiber and a proportional bias for cholesterol. A 5-10% power loss should be taken into account when correlating energy intake and macronutrients obtained with MyFitnessPal to an outcome variable, compared to Nubel. Conclusions Dietary analysis with MyFitnessPal is accurate and efficient for total energy intake, macronutrients, sugar, and fiber, but not for cholesterol and sodium.
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Delgado-Gómez, Alejandro. « Archivar en la nube : reglas de producción del documento contemporáneo. Parte I : Indicadores tecnológicos ». El Profesional de la Informacion 20, no 4 (1 juillet 2011) : 406–16. http://dx.doi.org/10.3145/epi.2011.jul.07.
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Delgado-Gómez, Alejandro. « Archivar en la nube : Reglas de producción del documento contemporáneo. Parte II : Indicadores sociales ». El Profesional de la Informacion 21, no 5 (1 septembre 2012) : 475–81. http://dx.doi.org/10.3145/epi.2012.sep.05.
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Rodríguez Malmierca, Maria José. « Computación en la Nube y Software Abierto para la Escuela Rural Europea ». Pixel-Bit, Revista de Medios y Educación, no 64 (2022) : 105–37. http://dx.doi.org/10.12795/pixelbit.93937.
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La tecnología de la computación en la nube ofrece grandes posibilidades en contextos con dificultades de infraestructura y pueden proporcionar un puente para ayudar a superar la brecha existente en las escuelas rurales europeas por su falta de recursos, aislamiento, sus limitaciones en las infraestructuras y de soporte tecnológico. El propósito de este estudio fue diseñar, implementar y evaluar un entorno para la enseñanza flexible y la colaboración en centros educativos rurales de Europa basado en la tecnología de computación en la nube y se llevó a cabo en el marco de un proyecto de investigación europeo (RuralSchoolCloud). Para ello se realizó una investigación basada en diseño (IBD) en 14 escuelas rurales de cinco países europeos (Dinamarca, España, Gran Bretaña, Italia, Grecia). La muestra objeto de estudio queda conformada por un total de 560 estudiantes y 72 docentes de educación Infantil, Primaria y Secundaria obligatoria que contestaron el "Cuestionario de análisis del entorno educativo RSC de computación en la nube". En términos generales, los resultados muestran que el entorno educativo RSC demostró ser una herramienta potente para proporcionar un recurso educativo técnico funcional y utilizable para las escuelas rurales de la UE, permitiendo flexibilidad temporal y espacial en las interacciones de profesores y estudiantes, y proporcionando una herramienta adaptada a las diferentes características, necesidades e intereses de las escuelas rurales.
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Li, Yuting, Hao Sun, Beibei Du et Hui Xu. « Gut Microbiota Shifts in Pup Athymic BALB/c Mice : An Updated Identification in Nude Mice ». Animals 9, no 4 (8 avril 2019) : 151. http://dx.doi.org/10.3390/ani9040151.
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It is commonly recognized that immunodeficiency modifies the gut microbiota in mammals. However, little information on the gut microbiota is available for athymic nude mice; one of the most popular animals for modeling immunodeficiency and tumors. In this study, 16S rDNA amplicon sequencing was performed to investigate the gut microbial composition of pup nude BALB/c mice during a 30-day experimental period. In contrast to pup normal mice, pup nude mice showed a significant variation in gut microbiota. Continuously decreased dynamics of the gut bacterial Shannon index, abnormal Firmicutes/Bacteroidetes ratio, the rarity of Bifidobacterium and Lactobacillus species, and a developmental lag of gut bacterial functions were observed in nude mice. The shift in gut microbiota and abnormal colonization of beneficial bacterial species in nude mice provide an updated insight into the nude mouse tumor model and a new perspective for establishing an animal model for study on dysbacteriosis.
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Joubert, S. J. « Nuwe-Testamentiese perspektiewe op egskeiding ». Verbum et Ecclesia 13, no 1 (18 juillet 1992) : 27–40. http://dx.doi.org/10.4102/ve.v13i1.1045.
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New Testament perspectives on divorce New Testament perspectives on divorce practices in the first century Mediterranean world is first of all undertaken. Against this socio-historical framework the New Testament "divorce" texts are then analysed. Pronouncements on divorce in the Synoptic Gospels and the Pauline corpus, being our main sources of information in this regard, are respectively investigated in terms of their communicative functions within their textual and cultural contexts. A short summary of the New Testament views with regards to marriage and divorce, and the intercultural relevance thereof, concludes the essay.
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Valentín Ruiz, Francisco José, et Robert Torre-Marín Amorós. « Aplicación de tecnología cloud computing en bibliotecas y centros de documentación ». Ibersid : revista de sistemas de información y documentación 7 (21 septembre 2013) : 41–47. http://dx.doi.org/10.54886/ibersid.v7i0.4062.
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La evolución de la automatización de bibliotecas establecida en cuatro periodos —pre-MARC, después de OCLC, después de Internet y socialización de Internet— permite explicar la aparición del cloud computing aplicado a bibliotecas y centros de documentación como un servicio alternativo a los tradicionales sistemas integrados de gestión de bibliotecas (SIGB). En base a esta evolución, se analizan las ventajas e inconvenientes de los servicios en la nube. Estas características se ponen en relación con dos de los servicios de OCLC: WorldShare para bibliotecas y CONTENTdm de gestión de contenidos digitales. De estos dos servicios se ofrecen ejemplos de uso.
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Tolosa-Cuadrado, Cristhian Leonardo, et Juan Sebastián González-Sanabria. « Amazon Web Services : alternativa para el almacenamiento de información-Amazon Web Services : an alternative for storing information ». Revista científica 2, no 19 (26 juin 2014) : 134. http://dx.doi.org/10.14483/23448350.6500.
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Este artículo reseñó la computación en la nube y de algunos de sus servicios de almacenamiento en sistemas gestores de bases de datos relacionales y no relacionales ofrecidos por Amazon bajo el modelo de la infraestructura como servicio (IaaS ‘infrastructure as a service’). Se realiza una comparación entre los sistemas tradicionales de almacenamiento en las organizaciones y la infraestructura como servicio, para dar a conocer las ventajas y las desventajas de la adopción de nuevas tecnologías en el ámbito personal, organizacional y académico en cuanto al almacenamiento y procesamiento de la información. Además, se describen los diferentes servicios de bases de datos ofrecidos por Amazon Web Services, los cuales ofrecen el servicio de almacenamiento según las necesidades y las tecnologías que el usuario necesite.
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Aboyoun, Darren C., et James M. Dabbs. « THE HESS PUPIL DILATION FINDINGS : SEX OR NOVELTY ? » Social Behavior and Personality : an international journal 26, no 4 (1 janvier 1998) : 415–19. http://dx.doi.org/10.2224/sbp.1998.26.4.415.
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Pupil dilation research initially focused upon emotional reactions and then shifted almost entirely to information processing. The present study returns to the initial research and addresses the question of whether pupil dilation in response to nudity reflects general arousal or more specific sexual arousal. Among heterosexual subjects, pictures of opposite sex nudes should produce sexual arousal, while pictures of nudes of either sex should produce a general novelty reaction. Pupil dilation was monitored among men and women viewing pictures of clothed men, clothed women, nude men, and nude women. Pupils dilated more to nude pictures than to the clothed pictures, regardless of the sex of the subject or the sex of the target person being viewed.
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Fernández Álvarez, Ángel José. « Cabalgando la nube. Información y representación arquitectónica en la era post-digital ». EGE-Expresión Gráfica en la Edificación, no 8 (30 juin 2014) : 95. http://dx.doi.org/10.4995/ege.2014.12491.
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<p>Se plantea en este trabajo un análisis de la evolución del impacto de las tecnologías de la información y la comunicación en la ideación, representación y construcción de la arquitectura. Desde los orígenes del denominado “giro digital” (“digital turn”) esta cuestión ha sido objeto de una profunda reflexión crítica y ha generado un polémico debate disciplinar hasta convertirse en un ámbito de investigación de plena vigencia y que se justifica por la necesidad de conseguir una aproximación más completa al fenómeno mediante el desarrollo de una teoría del diseño digital.</p><p> La utilización de las herramientas digitales ha producido cambios sustanciales en la práctica arquitectónica en los ámbitos de la representación gráfica, la gestión de la información y los procesos de virtualización con una incidencia muy especial en todos los aspectos relacionados con el levantamiento grafico del patrimonio para su estudio, investigación, conservación y puesta en valor.</p><p> Junto con las nuevas herramientas tecnológicas aparecen planteamientos innovadores como la “no linealidad”, la importancia del proceso frente a la forma, reflejada en el desarrollo de las herramientas BIM (Building Information Modelling), el papel de la interactividad y lo performativo o el concepto de autoría participativa inherente al diseño paramétrico, que ponen en cuestión el rol tradicional del diseñador, vigente desde la codificación “albertiana”, y sugieren una nueva agenda para la arquitectura llena de desafíos en la era de los nuevos medios y el diseño colaborativo.</p><p>El cambio de paradigma desde las tecnologías mecánicas a las digitales debe analizarse manteniendo una actitud crítica hacia las potencialidades de lo digital pero, al mismo tiempo, tratando de ver más allá de los problemas de la estética formal y enmarcándolo en la perspectiva de la historia de las tecnologías culturales.</p>
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Gairín, Por Josep Manuel Rodríguez i. « PHP-Nuke : software de código abierto en la gestión de contenidos web ». El Profesional de la Informacion 13, no 6 (1 novembre 2004) : 458–66. http://dx.doi.org/10.3145/epi.2004.nov.06.
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Viloria, Rebeca, et Giovanni Bracho. « Prototipo de un monitor cardiaco implementando IOT ». TECHNO REVIEW. International Technology, Science and Society Review /Revista Internacional de Tecnología, Ciencia y Sociedad 11, Monográfico (28 décembre 2022) : 1–11. http://dx.doi.org/10.37467/revtechno.v11.4406.
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El objetivo del estudio consiste en desarrollar un prototipo de monitoreo cardiaco ambulatorio implementando IoT. En el presente trabajo se muestra el desarrollo de un dispositivo capaz de estudiar la frecuencia cardiaca utilizando tecnología IoT.El dispositivo desarrollado cuenta con características como amplificar, filtrar y acondicionar la señal cardiaca gracias a su arquitectura y los tres electrodos conectados en puntos específicos del cuerpo humano. Al adquirir estos datos, se realiza el envío a través de un módulo de desarrollo programable el cual se conecta a internet vía WiFi y envía la información obtenida a un servidor web en la nube.
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Papana, Angeliki. « Non-Uniform Embedding Scheme and Low-Dimensional Approximation Methods for Causality Detection ». Entropy 22, no 7 (6 juillet 2020) : 745. http://dx.doi.org/10.3390/e22070745.
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Information causality measures have proven to be very effective in uncovering the connectivity patterns of multivariate systems. The non-uniform embedding (NUE) scheme has been developed to address the “curse of dimensionality”, since the estimation relies on high-dimensional conditional mutual information (CMI) terms. Although the NUE scheme is a dimension reduction technique, the estimation of high-dimensional CMIs is still required. A possible solution is the utilization of low-dimensional approximation (LA) methods for the computation of CMIs. In this study, we aim to provide useful insights regarding the effectiveness of causality measures that rely on NUE and/or on LA methods. In a comparative study, three causality detection methods are evaluated, namely partial transfer entropy (PTE) defined using uniform embedding, PTE using the NUE scheme (PTENUE), and PTE utilizing both NUE and an LA method (LATE). Results from simulations on well known coupled systems suggest the superiority of PTENUE over the other two measures in identifying the true causal effects, having also the least computational cost. The effectiveness of PTENUE is also demonstrated in a real application, where insights are presented regarding the leading forces in financial data.
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Pestoni, B., K. Altwegg, H. Balsiger, N. Hänni, M. Rubin, I. Schroeder, M. Schuhmann et S. Wampfler. « Detection of volatiles undergoing sublimation from 67P/Churyumov-Gerasimenko coma particles using ROSINA/COPS ». Astronomy & ; Astrophysics 651 (juillet 2021) : A26. http://dx.doi.org/10.1051/0004-6361/202140634.
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Context. In an earlier study, we reported that the ram gauge of the COmet Pressure Sensor (COPS), one of the three instruments of the Rosetta Orbiter Spectrometer for Ion and Neutral Analysis (ROSINA), could be used to obtain information about the sublimating content of icy particles, made up of volatiles and conceivably refractories coming from comet 67P/Churyumov-Gerasimenko. Aims. In this work, we extend the investigation to the second COPS gauge, the nude gauge. In particular, we analyse the volume of the volatile content of coma particles, along with a search for possible dependencies between the nude gauge detection rate (i.e. the rate at which icy particles are detected by the nude gauge) and the position of the Rosetta spacecraft. We also investigate the correlations of the nude gauge detection rate with the quantities associated with cometary activity. Methods. We inspected the density measurements made by the nude gauge for features attributable to the presence of icy particles inside the instrument. These data were then analysed statistically based on the amplitude of the feature and on the position of the spacecraft at the time of detection. Results. Although it was not originally designed for such a purpose, the COPS nude gauge has been able to detect ~67 000 features generated by the sublimation of the volatile content of icy particles. The nude gauge detection rate follows a trend that is inversely proportional to the heliocentric distance. This result is interpreted as a confirmation of a possible relation between the nude gauge detection rate and cometary activity. Thus, we compared the former with parameters related to cometary activity and obtained significant correlations, indicating that the frequency of icy particle detection is driven by cometary activity. Furthermore, by representing the volatile part of the icy particles as equivalent spheres with a density of 1 g cm−3, we obtained a range of diameters between 60 and 793 nm, with the smaller ones (<390 nm in diameter) having a size distribution power index of −4.79 ± 0.26.
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ITO, Mamoru. « Inspection of Information about the 3.11 Nuke Crisis : To Organize Informed Consent Society ». TRENDS IN THE SCIENCES 18, no 1 (2013) : 1_8–1_14. http://dx.doi.org/10.5363/tits.18.1_8.
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Hougen, H. P., B. Klausen, J. P. Stenvang, J. KræMmer et J. Rygaard. « Effects of xenogeneic, allogeneic and isogeneic thymus grafts on lymphocyte populations in peripheral lymphoid organs of the nude rat ». Laboratory Animals 21, no 2 (avril 1987) : 103–11. http://dx.doi.org/10.1177/002367728702100204.
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In order to gain information about the effect of xenografted, allografted and isografted thymic tissue on peripheral lymphoid organs of immune-deficient rats, athymic nude LEW rats of ninth backcross–intercross were grafted with fetal calf and neonatal BD1X and LEW thymus. Adrenalectomy was also performed in some animals in order to obtain a possible enhancement of the immunological reconstitution. Both groups of isogeneic-thymus-grafted animals had more T helper cells than the nude controls. Furthermore, they had more densely populated paracortical areas in the inguinal lymph nodes and higher lymphocyte counts in the thoracic duct lymph. Finally, the inguinal lymph nodes contained germinal centres. Xenogeneic and allogeneic thymus transplants did not induce constant changes in the parameters observed compared with the untreated nudes. No clear difference was observed between the adrenalectomized and non-adrenalectomized thymicisografted animals. We therefore conclude that of all the experimental animals examined the isografted nude rats show by far the best response and that adrenalectomy seems unnecessary for the success of neonatal isogeneic thymus grafts. We also conclude that the isogeneic-thymus-grafted nude rat is a suitable tool for immunological reconstitution studies.
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Morales, Fernando, Lluis Mas et Ruben Tous. « Modelo en red de los contenidos mediáticos en la era de los dispositivos inteligentes ». Ibersid : revista de sistemas de información y documentación 10, no 2 (16 septembre 2016) : 69–78. http://dx.doi.org/10.54886/ibersid.v10i2.4362.
Texte intégralRésumé :
Los cambios en las tecnologías de la información en las últimas décadas, representados por la democratización de Internet y la disponibilidad de las computadoras portátiles y dispositivos inteligentes están asociados con nuevos negocios y modelos comunicativos. La capacidad de los actuales teléfonos inteligentes facilita el procesamiento bidireccional y dinámico de grandes cantidades de contenidos. Los usuarios se agrupan en comunidades virtuales y se convierten en consumidores y productores: prosumidores. Estos contenidos se encuentran en la nube, en los medios de comunicación (plataformas), y se propagan rápidamente a través de la red. En este artículo se analiza la evolución de estos flujos de mensajes en el marco de las teorías que rodean el contenido generado por el usuario y la convergencia de medios. Se analiza también la naturaleza cíclica de la secuencia de datos, la evolución de los usuarios y la dependencia tecnológica para desarrollar y distribuir nuevos productos discursivos Se propone finalmente un modelo de flujos basado en algoritmos determinados por las preferencias personales de los usuarios.
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Hoa, Ta Quynh. « Study on the mechanism of urban planning information exchange to enhance the community participation in urban detailed planning in Vietnam – towards sustainable development ». Journal of Science and Technology in Civil Engineering (STCE) - HUCE 16, no 1 (26 janvier 2022) : 42–56. http://dx.doi.org/10.31814/stce.huce(nuce)2022-16(1)-04.
Texte intégralRésumé :
This paper explores the extent of the current mechanism to access urban spatial planning information of community in urban detailed planning projects (UDPPs), the constraints on urban planning information accessibility in Vietnam context to challenge the community participation for sustainable development. The research is based on an analysis of the planning information sharing content found in four UDPPs in Vietnam and interviews with 20 key informants. The research identified that the urban spatial planning information for the community is limited and difficult to access, and the planning information exchange process is one-way flow, authority-controlled and non-transparent. Besides, the lack of human resources and technological application provide a challenging context for involving the community in UDPPs. The paper concludes by proposing several recommendations for improving the urban planning information exchange process and technological tools that should be applied to foster community participation in Vietnam's urban context, towards sustainable development.
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Espinoza Galicia, Carlos Arturo, Williams Gómez Lopez et Ricardo Francisco Guillén Mallette. « Implementación de plataforma para el internet de las cosas en un ambiente de nube pública ». Tecnología Educativa Revista CONAIC 3, no 3 (31 janvier 2021) : 63–69. http://dx.doi.org/10.32671/terc.v3i3.124.
Texte intégralRésumé :
Las personas que desarrollan productos para la Internet de las cosas, esta propuesta ofrece una manera de cargar, almacenar y recuperar información, así como monitorizar en tiempo real las lecturas realizadas por el dispositivo seleccionado. Cabe señalar que la plataforma no garantiza el desarrollo de hardware, pero los clientes que ayudan a los desarrolladores para ordenar las actividades de desarrollo e implementación de una plataforma para cada uno de sus proyectos; la idea es que pueden atraer a clientes de diversas áreas de aplicación que quieren tener una buena gestión de sus datos de forma segura.
This project provides a way to load, store and retrieve information, as well as monitor the readings made by the selected device in real time. It should be noted that the platform does not provide the development of hardware, rather it provide customers with a method that help the developer of Internet of Things (IoT) to sort the activities of development and implementation of a platform for each of its projects; the idea is that you can attract clients from different areas of application that want to have a safe management of the data.
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Li, Yong Gang, et Hai Ming Yin. « Detection Model of Knotty Illicit Image ». Applied Mechanics and Materials 433-435 (octobre 2013) : 395–99. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.395.
Texte intégralRésumé :
Detection model of knotty illicit image is designed to detect special erotic image, such as nude chat image and advertising prostitution image, which are difficulty identified by conventional algorithm. Text information and skin-color information are detected in the image detection windows set according to the characteristic of images. Experimental results demonstrate that the model can obtain good results in detecting special erotic image.
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Pei, Jie, Jintu Fan et Susan P. Ashdown. « Detection and comparison of breast shape variation among different three-dimensional body scan conditions : nude, with a structured bra, and with a soft bra ». Textile Research Journal 89, no 21-22 (26 mars 2019) : 4595–606. http://dx.doi.org/10.1177/0040517519839398.
Texte intégralRésumé :
To investigate the effect of structured bras and soft bras on breast shape, 46 female participants (Caucasian, BMI < 30, aged 18–45) were recruited for three-dimensional (3D) scanning. Participants were scanned in three conditions: wearing a provided structured bra, a provided soft bra, and nude. The impact of the bras on breast asymmetry was quantitatively studied. The change in breast shape and position from the nude condition to the condition when shaped by the bras was also explored. Contour maps that show the topographic shapes of the scans were generated to analyze these comparisons. Thirty-five measurements were extracted from spider web structures that were derived from the contour maps, and were used for statistical analysis. Eight measurements were found to be especially indicative of the shape variations introduced by the bras. Regression models were built to predict the in-bra shape given only the nude breast shape. Lastly, heat maps that visualize the shape variations from the nude-to-bra condition via colors were plotted on the surfaces of the 3D scans of the participants in bras, and were used for qualitative analysis. This study is helpful in understanding how bras interact with breast tissue, and can provide useful information for the improvement of bra designs for enhanced fitting or desired shaping effects.
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Picard, Alyssa. « “To Popularize the Nude in Art” : Comstockery Reconsidered ». Journal of the Gilded Age and Progressive Era 1, no 3 (juillet 2002) : 195–224. http://dx.doi.org/10.1017/s1537781400000232.
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Of all the figures in the struggle over turn-of-the-century vice reform, Anthony Comstock is perhaps the last one might expect to encounter immortalized in the nude. He acquired his fame as a censor of nudity, among other offenses: from 1873 to his death in 1915, Assistant United States Postmaster Comstock lent his name and his enthusiasm for law enforcement to the prosecution of the “Comstock Laws,” the eponymous statutes which restricted the dissemination of vicious images and information through the United States mail. In his government post and as the head of New York City's private Society for the Suppression of Vice, Comstock prosecuted quack physicians, abortionists, lottery runners, purveyors of lewd literature and art, free love advocates and physical culture devotees. By the end of his career, he had arrested more than 3,700 people and burned over fifty tons of obscene books, 3,984,063 obscene pictures, and 16,900 photographic plates.
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Vásquez-Bermúdez, Mitchell, Jorge Hidalgo et María del Pilar Avilés-Vera. « SERVICIO DE NUBE PARA LA COMUNIDAD ACADÉMICA DE LA CARRERA DE COMPUTACIÓN E INFORMÁTICA DE LA UNIVERSIDAD AGRARIA DEL ECUADOR ». Revista de Investigación en Tecnologías de la Información 5, no 10 (31 décembre 2017) : 1–6. http://dx.doi.org/10.36825/riti.05.10.001.
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The implementation of cloud storage is an important and necessary step for the development of functional tools in the modern data centers of higher education institutions, since they provide access to information from multiple devices and anywhere in the world, that is why there are commercial offers for storage clouds such as Dropbox, Box, Skydrive and many others. This article bases on the use of Owncloud as one hardware of open code that allows to share files between academic groups, designed to meet the demands of information unified of the different activities of the teachers and students of the Career of Computation and Computer science of the Agrarian University of the Ecuador. Likewise, after the process of implementing cloud storage, the experimental evaluation summarizing the implementation and results obtained from the use of this application is presented.
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Ledoh, Delfi Yulianti, Alan Ch Sabuna et Yanti Daud. « PEMANFAATAN TUMBUHAN DALAM PROSES PEWARNAAN KAIN TENUN IKAT DI PULAU NDAO, DESA NDAO NUSE, KABUPATEN ROTE NDAO ». Indigenous Biologi : Jurnal Pendidikan dan Sains Biologi 4, no 2 (31 août 2021) : 37–45. http://dx.doi.org/10.33323/indigenous.v4i2.151.
Texte intégralRésumé :
ABSTRACT
This study aims to determine the types of natural coloring plants, organs plant or parts used, the processing to the colors produced from plants organs used in the process of coloring woven cloth on Ndao Island, Ndao Nuse Village, Ndao Nuse sub-district, Rote Ndao Regency. The method used is a qualitative descriptive method. The technique used in this study is direct observation techniques in the field and semi-structured interviews. Semi-structured interviews are interview processes that use interview guides derived from the development of topics and ask questions to ikat weaving craftsmen, the aim is to explore and obtain information related to the data needed. Based on the results of research in Ndao Nuse Village, Ndao Nuse sub-district, Rote Ndao Regency, found 5 types of natural coloring plants that are utilized by the Ndao Nuse community in the process of coloring woven cloth, namely tarum (Indigofera tinctoria L) producing black, turmeric rhizome (Curcuma domestica L) producing yellow, legundi (Vitex trifolia L) produces a light yellow color, kedondong fence (Lannea nigratana) produces a brown color, the green color is produced red distance (Jatrhopa gossiphofolia). Parts or organs of plants used are leaves, rhizomes and bark. The process of processing plant parts or organs that are used to produce color includes collision, boiling, and soaking. In addition to the 5 types of plants that are used as basic dyes there are also plants and other additives used in the coloring process are lime, whiting, and alum. The benefits of this additional material are as a color enhancer so that the color produced does not fade easily. Most of the plants that have potential as natural dyes for connective weaving have been cultivated. Plants that are cultivated are tarum, turmeric, and kedondong fence.
Keywords: Weaving, Natural Staining Plants
ABSTRACTThis study aims to determine the types of natural coloring plants, organs plant or parts used, the processing to the colors produced from plants organs used in the process of coloring woven cloth on Ndao Island, Ndao Nuse Village, Ndao Nuse sub-district, Rote Ndao Regency. The method used is a qualitative descriptive method. The technique used in this study is direct observation techniques in the field and semi-structured interviews. Semi-structured interviews are interview processes that use interview guides derived from the development of topics and ask questions to ikat weaving craftsmen, the aim is to explore and obtain information related to the data needed. Based on the results of research in Ndao Nuse Village, Ndao Nuse sub-district, Rote Ndao Regency, found 5 types of natural coloring plants that are utilized by the Ndao Nuse community in the process of coloring woven cloth, namely tarum (Indigofera tinctoria L) producing black, turmeric rhizome (Curcuma domestica L) producing yellow, legundi (Vitex trifolia L) produces a light yellow color, kedondong fence (Lannea nigratana) produces a brown color, the green color is produced red distance (Jatrhopa gossiphofolia). Parts or organs of plants used are leaves, rhizomes and bark. The process of processing plant parts or organs that are used to produce color includes collision, boiling, and soaking. In addition to the 5 types of plants that are used as basic dyes there are also plants and other additives used in the coloring process are lime, whiting, and alum. The benefits of this additional material are as a color enhancer so that the color produced does not fade easily. Most of the plants that have potential as natural dyes for connective weaving have been cultivated. Plants that are cultivated are tarum, turmeric, and kedondong fence. Keywords: Weaving, Natural Staining Plants
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Palos-Sanchez, Pedro R., Rafael Robina Ramírez et Luis Manuel Cerdá Suárez. « Ética de la reputación online, marca personal y privacidad en el cloud computing : protección de los usuarios frente al derecho al olvido ». Biblios : Journal of Librarianship and Information Science, no 71 (2 juillet 2018) : 17–31. http://dx.doi.org/10.5195/biblios.2018.428.
Texte intégralRésumé :
Objetivo. Este artículo tiene como principal objetivo, analizar la situación actual y las previsiones futuras que puede tener la falta de privacidad en la nube o cloud computing. El borrado de los datos personales que indexa el buscador Google, retirar una foto de Facebook, eliminar un link de una noticia desafortunada o borrar el pasado puede ser una tarea que se nos antoje imposible. Aquellas personas afectadas por situaciones así, reclaman la aplicación del “derecho al olvido” basado en motivaciones plausibles.Método. Este estudio ha contrastado las opiniones de afectados, abogados y expertos en reputación online y comunicación de marca personal.Resultados. Los resultados demuestran la desproteción legal y la responsabilidad de los buscadores en la vulneración ética y, en algunos casos, legal de estos derechos.Conclusiones. La privacidad va camino de convertirse en el principal quebradero de cabeza para los buscadores. Esta conclusión, no sólo proviene de las polémicas suscitadas, sino por las numerosas denuncias que señalan ahora a la herramienta y no sólo al origen de la información. Normalmente, la herramienta es el buscador, que pone al alcance general datos que los interesados preferirían suprimir o que permanezcan en el olvido.
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Razzouk, Nabil, et Victoria Seitz. « Nude Recreation in the U. S. : An Empirical Investigation ». Journal of Hospitality & ; Leisure Marketing 10, no 3-4 (28 janvier 2003) : 145–57. http://dx.doi.org/10.1300/j150v10n03_09.
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Joubert, S. J. « Nuwe-Testamentiese perspektiewe op die Sabbat en die Sondag ». Verbum et Ecclesia 18, no 1 (19 juillet 1997) : 97–110. http://dx.doi.org/10.4102/ve.v18i1.1127.
Texte intégralRésumé :
New Testament perspectives on the Sabbath and the Sunday In order to come to terms with New Testament views on the Sabbath and the Sunday, an investigation of Jewish schematizations of time and of the Sabbath in particular, around the first century A.D. is undertaken. This is followed by a discussion of relevant New Testament texts on the Sabbath and the Sunday. Finally, the available information from the New Testament is placed within the interpretative framework of the “Christ event” which inaugurated the eschaton, and which also replaced the strong emphasis on specific holy days within early Christianity. However, the Sunday was probably chosen by some early Christian groups as the most suitable day to commemorate the resurrection of Christ.
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Zhang, Xinbo, Fujian Li, Yonggang Ding, Quan Ma, Yuan Yi, Min Zhu, Jinfeng Ding, Chunyan Li, Wenshan Guo et Xinkai Zhu. « Transcriptome Analysis of Two Near-Isogenic Lines with Different NUE under Normal Nitrogen Conditions in Wheat ». Biology 10, no 8 (17 août 2021) : 787. http://dx.doi.org/10.3390/biology10080787.
Texte intégralRésumé :
Nitrogen (N) is an essential nutrient element for crop productivity. Unfortunately, the nitrogen use efficiency (NUE) of crop plants gradually decreases with the increase of the N application rate. Nevertheless, little has been known about the molecular mechanisms of differences in NUE among genotypes of wheat. In this study, we used RNA-Sequencing (RNA-Seq) to compare the transcriptome profiling of flag leaves at the stage of anthesis in wheat NILs (1Y, high-NUE, and 1W, low-NUE) under normal nitrogen conditions (300 kg N ha−1, corresponding to 1.6 g N pot−1). We identified 7023 DEGs (4738 upregulated and 2285 downregulated) in the comparison between lines 1Y and 1W. The responses of 1Y and 1W to normal N differed in the transcriptional regulatory mechanisms. Several genes belonging to the GS and GOGAT gene families were upregulated in 1Y compared with 1W, and the enhanced carbon metabolism might lead 1Y to produce more C skeletons, metabolic energy, and reductants for nitrogen metabolism. A subset of transcription factors (TFs) family members, such as ERF, WRKY, NAC, and MYB, were also identified. Collectively, these identified candidate genes provided new information for a further understanding of the genotypic difference in NUE.
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Kumar, Rahul, K. K. Vinod, S. Gopala Krishnan, Dinesh Kumar, Shweta Mehrotra, Lekshmy Sathee, Ranjith K. Ellur et al. « Meta-QTLs linked to nitrogen use efficiency are randomly distributed in Indian rice germplasm ». Indian Journal of Genetics and Plant Breeding (The) 82, no 01 (25 février 2022) : 7–15. http://dx.doi.org/10.31742/ijgpb.82.1.2.
Texte intégralRésumé :
Nitrogen (N) recognized as a critical element for plant growth plays a fundamental role in rice cultivation. The N use efficiency (NUE) hovers around 30-35% in rice, suggesting a significant loss of N from the rice fields. Improving the NUE therefore would require genetic interventions and breeding. The cultivar improvement for N uptake and utilization is required to elevate NUE to further heights. Several quantitative trait loci (QTLs) for NUE under varying conditions and genetic backgrounds have been reported in rice. Consolidation of this distributed and unorganized information is necessary to identify critical genomic regions to be used for crop improvement. Therefore, a Meta-analysis from an assembly of 506 QTLs reported from 18 different studies was performed to identify the most significant genomic regions associated with NUE in rice. A total of 12 meta-QTLs (mQTLs) related to the traits such as NUE and grain yield per plant under N deficit conditions have been identified over four rice chromosomes namely 1, 3, 4, and 8. Evaluation of these mQTLs in a set of Indian rice germplasm revealed a significant association of the meta loci with N use parameters and showed wide distribution in the germplasm. Identification of mQTLs on different chromosomes together with their respective markers will help recruit them in marker-assisted selection (MAS) to develop N use efficient genotypes.
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Turner, John. « Nutrient use efficiency and utilisation in east coast Australian Eucalyptus forests ». Australian Journal of Botany 67, no 8 (2019) : 585. http://dx.doi.org/10.1071/bt18178.
Texte intégralRésumé :
Nutrient use efficiency (NUE) has been used as a method to evaluate the utilisation and processes of cycling of nutrient in forests. In publications, different methods have been used to calculate NUE, but as efficiency they are all expressed as ratios and these cover the basic areas of: (1) absorption from the soil and uptake, (2) efficiency in their requirement or utilisation of nutrients including physiological efficiency and (3) efficiency in the retention and internal re-utilisation of nutrients. Few studies address NUE based on complete nutrient cycling information but use indices based on litterfall or foliage nutrient concentrations. In this study different expressions of NUE were defined and evaluated for N and P using data on nutrient cycles on species in the genus Eucalyptus in regrowth and mature native eastern Australian forests. It has been hypothesised that NUE increases with decreasing nutrient availability however increasing such efficiency has a cost reflected in reduced productivity. The hypothesis was proven for all expressions of NUE correlating NUE against estimates of soil N or P availability but there were differences between coastal and tableland Eucalyptus forests. The level of significance varied for different types of NUE and in these ecosystems P was of greater significance than N. This reflected the importance of P in relation to productivity on many of the weathered soils or the limited value of the soil available N indices. It is suggested that the difference expressions of NUE differ in their significance with species so some will be relatively more efficient in terms of uptake, others in utilisation and others in redistribution. Only in extreme situations of nutrient availability do species have relatively high efficiency for all methods NUE calculation. It is proposed that these differences are of importance in site/species distribution and more importantly in mixed stands where they provide advantages either at different stages of stand development or after significant disturbances such as fire.
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Dekker, Judith, Isabelle Hooijer, Johannes C. F. Ket, Aleksandra Vejnović, Giuseppe Benagiano, Ivo Brosens et Velja Mijatovic. « Neonatal Uterine Bleedings : An Ignored Sign but a Possible Cause of Early-Onset Endometriosis – A Systematic Review ». Biomedicine Hub 6, no 1 (18 janvier 2021) : 6–16. http://dx.doi.org/10.1159/000512663.
Texte intégralRésumé :
<b><i>Objective:</i></b> Based on the hypothesis that neonatal uterine bleedings (NUB), occurring mostly in the first week after birth, could represent a pathogenetic mechanism for early-onset endometriosis, this systematic review (SR) was undertaken to evaluate the prevalence and screening strategies used to assess and quantify NUB. <b><i>Design:</i></b> Both a SR and a sample literature search in PubMed and Embase were conducted to gather information on NUB prevalence and screening techniques. This was performed by an information specialist. Only full-text articles regarding the assessment of NUB in neonates in the first 2 weeks after birth were included. No limit on language or publication data was used. <b><i>Materials and Methods:</i></b> The SR was registered in PROSPERO (CRD42019138121). Data was first assessed for eligibility on title and abstract by 2 blinded review authors. Any disagreements were discussed with a third reviewer if necessary. Subsequently, full-text articles were read and assessed for quality using the Cochrane Collaboration Handbook. <b><i>Results:</i></b> Out of 1,988 articles in the systematic search, 10 relevant articles were selected, of which 8 were identified through the systematic search and 2 were found through other sources. The sample search of 4,445 articles did not bring up relevant articles. Results were not comparable due to the heterogeneity of screening techniques, although data showed consensus. The prevalence of visible bleeding ranged from 3.3 to 53.8% and the prevalence of occult bleeding from 25.4 to 96.7%. The occurrence was the highest between the 3rd and 7th day postpartum (PP) and the bleeding lasted for 3–4 days on average. Various screening techniques for detecting NUB were found in the literature, including the use of hemoglobin detection devices (such as Hemastix) in the vaginal vestibulum, comparison of diapers with stains of known volume, colposcopy, and ultrasonography. <b><i>Conclusion:</i></b> The reported prevalence of NUB varies considerably, with a consistent occurrence between the 3rd and the 7th day PP. Literature to assess NUB is dated. The techniques are poorly described and heterogeneous. Future research should focus on prospective cohort studies in order to attempt to correlate NUB cases to (early-onset) endometriosis.
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Hu, Rong, Qianqian Zeng, Xiaoling Su, Wenxia Feng et Hong Xiang. « The Correlation between Targeted Contrast-Enhanced Ultrasound Imaging and Tumor Neovascularization of Ovarian Cancer Xenografts in Nude Mice ». Journal of Healthcare Engineering 2021 (17 mars 2021) : 1–13. http://dx.doi.org/10.1155/2021/5553649.
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In order to explore the correlation between targeted contrast-enhanced ultrasound imaging and tumor neovascularization of ovarian cancer xenografts in nude mice, a total of 49 nude mice were selected and randomly divided into 1-week group, 2-week group, 3-week group, 4-week group, 5-week group, 6-week group, and 7-week group according to their ovarian cancer xenografts’ growth time, with 7 ovarian cancer xenografts in each group. After preparing antibody-carrying targeted contrast agent, each group of xenografts performed normal and targeted contrast ultrasound examinations to obtain peak intensity, time to peak, and other imaging parameters; then, those ovarian cancer xenografts were sacrificed for pathological analysis: the neovascular density and antibody expression of the cancer xenografts at different stages were observed and counted, and the correlation between targeted contrast-enhanced ultrasound parameters and tumor neovascular densities of the ovarian cancer xenografts was analyzed. The results show that the peak intensities of targeted contrast ultrasound imaging are greater than that of ordinary ultrasound imaging in the 2-, 3-, 4-, and 5-week groups with statistically significant differences ( P < 0.05 ); the time to peak of targeted contrast ultrasound imaging is shorter than that of ordinary ultrasound imaging in the 2-, 3-, 4-, and 5-week groups with statistically significant differences ( P < 0.05 ); there is a positive correlation between the peak intensities of targeted contrast ultrasound imaging and tumor neovascular densities of the ovarian cancer xenografts in the 2-, 3-, and 4-week group (r2 = 0.645, r3 = 0.668, and r4 = 0.693, P < 0.05 ); there is a negative correlation between the time to peak of targeted contrast ultrasound imaging and tumor neovascular densities of the ovarian cancer xenografts in the 2-, 3-, and 4-week groups (r2 = −0.669, r3 = −0.692, and r4 = −0.704, P < 0.05 ). Therefore, the targeted contrast-enhanced ultrasound imaging parameters have a certain correlation with tumor neovascular density of ovarian cancer xenografts in nude mice and this correlation is more significant in the early stage of ovarian cancer; hence, targeted contrast-enhanced ultrasound imaging may provide a new method, new idea, and new basis for the diagnosis of early ovarian cancer.
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Hausherr Lüder, Ruth-Maria, Ruijun Qin, Walter Richner, Peter Stamp, Bernhard Streit, Juan Manuel Herrera et Christos Noulas. « Small-Scale Variation in Nitrogen Use Efficiency Parameters in Winter Wheat as Affected by N Fertilization and Tillage Intensity ». Sustainability 12, no 9 (30 avril 2020) : 3621. http://dx.doi.org/10.3390/su12093621.
Texte intégralRésumé :
Limited information exists on how tillage and nitrogen (N) fertilization affects small-scale variation in nitrogen use efficiency (NUE) and crop performance. In a two-year field study under temperate conditions, we investigated how tillage (NT, no-tillage; CT, conventional tillage) and N fertilization affected the small-scale variation in NUE and winter wheat performance (grain yield, Gw; grain protein concentration, GPC). A randomized complete block design with three replications was used. Within each tillage plot (12 × 35 m2), N rates (0, 50, 100, 150, 200, 250 kg N ha−1) were completely randomized within each of four groups of microplots (1.5 × 1.5 m2). Early-season soil mineral N (Nmin) was also monitored in both years. At rates < 150 kg N ha−1, NT was not competitive with CT in terms of Gw and NUE. Gw and aboveground plant N were not correlated with Nmin prior to application of N fertilizer. NT usually led to larger spatial heterogeneity of Nmin, Gw, and NUE. The small-scale variability of Gw, GPC, NUE, and N supply decreased with increasing N fertilization rates under both tillage systems. Significant increases in Gw and GPC were observed with increasing N rates, whereas NUE decreased slightly with increasing N rates in both NT and CT. The overall moderate spatial variation in Nmin, Gw, and NUE did not justify site-specific N fertilization in these small fields, with the exception of the stony within-plot positions, which were not responsive to rates of N > 50 kg N ha−1.
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Harika, A., Dhandapani R, Sudhir Kumar, Lekshmy S, Vinutha T, Ranjith KE, Mahesh Kumar, Madhurima D, RN Sahoo et Viswanathan C. « Understanding the physiological, genetic and molecular basis of nitrogen deficiency tolerance and their application in rice improvement ». Oryza-An International Journal on Rice 60 (7 février 2023) : 45–52. http://dx.doi.org/10.35709/ory.2023.60.0.3.
Texte intégralRésumé :
Nitrogen (N) is a major nutrient required for growth and yield of rice plants. Several factors including plant, edapic and climate conditions influence the criticle yield response curve of the plants. Apart from breeding for N responsive rice varieties, excessive use of nitrogenous fertilizers have become a general farmers practice to boost rice productivity under intensive cropping system. Now, it is imperative to orient the crop improvement programme for sustainable crop production strategy as well as to achieve the evergreen revolution through improving nitrogen use efficiency (NUE) under global climate change condition. To develop N-efficient rice varieties under crop breeding programs, it is crucial to comprehend the physiological, genetic and molecular features associated with tolerance to nitrogen deprivation. It has always been challenging for a rice breeders to develop rice varieties with high nitrogen use efficiency (NUE), as it is highly complex physiological trait involving several component traits and its dynamic interaction with environemental factor. NUE is a polygenic traits controlled by number of quantitative trait loci's at genomic level. Till date, researchers targeted component traits for increasing NUE such as, nitrogen uptake/absorption, transport from root to shoot, assimilation, utilisation, remobilisation, reasssssmilation and partitioning /redistribution. Here, we described a short summary of the physiological, genetic and molecular underpinnings of nitrogen deficit tolerance and how these prior art information can be used for improving NUE in rice. Insight from our discussions may facilitate the breeders to improve the NUE of rice plants in future.
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Sarfraz, Muhammad, et Mohammed Ali Siddiqui. « Development of a multi-resolution framework for NUBS ». Information Sciences 163, no 4 (juin 2004) : 239–51. http://dx.doi.org/10.1016/j.ins.2003.06.010.
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English, Erin. « Cache of nude images found at nuclear weapons lab ». Network Security 1994, no 7 (juillet 1994) : 2–3. http://dx.doi.org/10.1016/1353-4858(94)90003-5.
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Moral Saiz, Sergio, Inmaculada Oliver-Faubel et Isabel Jordán Palomar. « Implementación de HBIM en patrimonio arquitectónico. Estudio del caso de La iglesia de la Sang de Llíria ». EGE-Expresión Gráfica en la Edificación, no 15 (28 décembre 2021) : 4–26. http://dx.doi.org/10.4995/ege.2021.16075.
Texte intégralRésumé :
La tecnología BIM gana terreno en diferentes disciplinas ajenas a la obra nueva. Es el caso de los levantamientos arquitectónicos de edificios patrimoniales, metodología conocida como HBIM (Historic Building Information Modeling). Con esta herramienta, que facilita el levantamiento arquitectónico, se obtiene un modelo de información del bien con menor error y mayor exactitud que el realizado con tecnologías convencionales. Con el elevado grado de información que permite esta metodología, se realiza el modelado de diferentes fases históricas de la iglesia de La Sang de Llíria de la que no existen representaciones gráficas tridimensionales hasta la fecha. Se utiliza como base una nube de puntos obtenida con escáner láser. La intención es involucrar el uso de herramientas BIM en la datación y representación de fases históricas del bien, exponer sus ventajas en la obtención de simulaciones de las fases, datarlas dentro de un periodo concreto y relacionar la información.
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Marwick, Alice E. « Scandal or sex crime ? Gendered privacy and the celebrity nude photo leaks ». Ethics and Information Technology 19, no 3 (28 août 2017) : 177–91. http://dx.doi.org/10.1007/s10676-017-9431-7.
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Ye, Zheng, Bahram Mohammadi, Robert Kopyciok, Marcus Heldmann, Amir Samii et Thomas F. Münte. « Androgens Modulate Brain Responses to Sexual Stimuli in Female-to-Male Transsexuals ». Zeitschrift für Neuropsychologie 29, no 2 (1 mai 2018) : 89–98. http://dx.doi.org/10.1024/1016-264x/a000219.
Texte intégralRésumé :
Abstract. Interpersonal and intrapersonal differences in brain responses to sexual stimuli have been linked with individuals’ testosterone levels. However, it remains unclear how hormones modulate brain functions underlying sexual arousal. In order to assess the effects of chronic hormonal treatment, we used functional magnetic resonance imaging in a group of female-to-male transsexuals before and during androgen therapy while they watched a set of pictures representing dressed or nude (erotic content) men or women (sex information). A broad network of cortical and subcortical regions were activated during the processing of erotic stimuli (nude vs. dressed), including the insula, amygdala, and hypothalamus. The insula activity in response to erotic male stimuli decreased over the initial 4 months of hormonal therapy. In the following 8 months, the insula response to erotic female stimuli increased. In other words, long-term androgen administration makes the brain more “male” by reducing the sexual arousal caused by male stimuli and amplifying that caused by female stimuli.
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Duluc, I., J. N. Freund, C. Leberquier et M. Kedinger. « Fetal endoderm primarily holds the temporal and positional information required for mammalian intestinal development. » Journal of Cell Biology 126, no 1 (1 juillet 1994) : 211–21. http://dx.doi.org/10.1083/jcb.126.1.211.
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In rodents, the intestinal tract progressively acquires a functional regionalization during postnatal development. Using lactase-phlorizin hydrolase as a marker, we have analyzed in a xenograft model the ontogenic potencies of fetal rat intestinal segments taken prior to endoderm cytodifferentiation. Segments from the presumptive proximal jejunum and distal ileum grafted in nude mice developed correct spatial and temporal patterns of lactase protein and mRNA expression, which reproduced the normal pre- and post-weaning conditions. Segments from the fetal colon showed a faint lactase immunostaining 8-10 d after transplantation in chick embryos but not in mice; it is consistent with the transient expression of this enzyme in the colon of rat neonates. Heterotopic cross-associations comprising endoderm and mesenchyme from the presumptive proximal jejunum and distal ileum developed as xenografts in nude mice, and they exhibited lactase mRNA and protein expression patterns that were typical of the origin of the endodermal moiety. Endoderm from the distal ileum also expressed a normal lactase pattern when it was associated to fetal skin fibroblasts, while the fibroblasts differentiated into muscle layers containing alpha-smooth-muscle actin. Noteworthy, associations comprising colon endoderm and small intestinal mesenchyme showed a typical small intestinal morphology and expressed the digestive enzyme sucrase-isomaltase normally absent in the colon. However, in heterologous associations comprising lung or stomach endoderm and small intestinal mesenchyme, the epithelial compartment expressed markers in accordance to their tissue of origin but neither intestinal lactase nor sucrase-isomaltase. A thick intestinal muscle coat in which cells expressed alpha-smooth-muscle actin surrounded the grafts. The results demonstrate that: (a) the temporal and positional information needed for intestinal ontogeny up to the post-weaning stage results from an intrinsic program that is fixed in mammalian fetuses prior to endoderm cytodifferentiation; (b) this temporal and positional information is primarily carried by the endodermal moiety which is also able to change the fate of heterologous mesodermal cells to form intestinal mesenchyme; and (c) the small intestinal mesenchyme in turn may deliver instructive information as shown in association with colonic endoderm; yet this effect is not obvious with nonintestinal endoderms.
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Ahmad, Nazir, Bin Su, Sani Ibrahim, Lieqiong Kuang, Ze Tian, Xinfa Wang, Hanzhong Wang et Xiaoling Dun. « Deciphering the Genetic Basis of Root and Biomass Traits in Rapeseed (Brassica napus L.) through the Integration of GWAS and RNA-Seq under Nitrogen Stress ». International Journal of Molecular Sciences 23, no 14 (19 juillet 2022) : 7958. http://dx.doi.org/10.3390/ijms23147958.
Texte intégralRésumé :
An excellent root system is responsible for crops with high nitrogen-use efficiency (NUE). The current study evaluated the natural variations in 13 root- and biomass-related traits under a low nitrogen (LN) treatment in a rapeseed association panel. The studied traits exhibited significant phenotypic differences with heritabilities ranging from 0.53 to 0.66, and most of the traits showed significant correlations with each other. The genome-wide association study (GWAS) found 51 significant and 30 suggestive trait–SNP associations that integrated into 14 valid quantitative trait loci (QTL) clusters and explained 5.7–21.2% phenotypic variance. In addition, RNA sequencing was performed at two time points to examine the differential expression of genes (DEGs) between high and low NUE lines. In total, 245, 540, and 399 DEGs were identified as LN stress-specific, high nitrogen (HN) condition-specific, and HNLN common DEGs, respectively. An integrated analysis of GWAS, weighted gene co-expression network, and DEGs revealed 16 genes involved in rapeseed root development under LN stress. Previous studies have reported that the homologs of seven out of sixteen potential genes control root growth and NUE. These findings revealed the genetic basis underlying nitrogen stress and provided worthwhile SNPs/genes information for the genetic improvement of NUE in rapeseed.