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A multidisciplinary study of the Gran Bajo del Gualicho area Rio Negro – Argentina was carried out; the aim was to delineate its geological and geomorphological evolution and to estabilish the genesis of salts filling the depression.

Climatic conditions were analized first to individuate their role in the present morphogenetic processes; moreover the main morphological features of present landscape were examined as well as the stratigraphy of the outcropping formations, and of the Gran Bajo del Gualicho Formation in particular. Finally, a possible geomorphological evolution of the studied area was traced. Geophysical analyses allowed to estabilish that the paleosurface shaped on the crystalline basement is strongly uneven and shows evidence of the strong tectonic phases it underwent.

The result of isotope analyses confirmed that the salt deposits on the Gran Bajo del Gualicho bottom were produced by fresh water evaporation, while strontium isotope ratio suggested that such waters were responsible for solubilization of more ancient evaporitic deposits.

We report the first results of DarkSide, a direct search for dark matter operating in the underground Laboratori Nazionali del Gran Sasso LNGS and searching for the rare nuclear recoils possibly induced by weakly interacting massive particles WIMPs. La fuente de datos es la Encuesta de Gasto de Bolsillo en Medicamentos de Published by Elsevier Inc. The Gran Sasso Underground Laboratory.

Thirty years have passed since, thanks to Antonino Zichichi, the project for the largest underground laboratory in the world was conceived and brought to the attention of Italian authorities. The Gran Sasso National Laboratories of INFN have become a scientific reality of worldwide pre-eminence, in an expanding area of research where elementary particle physics, astrophysics and cosmology overlap.

I briefly present here the main scientific challenges of underground laboratories and the activity and future perspectives of the INFN Gran Sasso Laboratory. In addition it made a variety of other observations. The apparatus consisted of three principal types of detectors: In addition, over part of its area it contained a transition radiation detector. The general design philosophy emphasized redundancy and complementarity. This paper describes the technical aspects of the complete MACRO detector, its operational performance, and the techniques used to calibrate it and verify its proper operation.

It supplements a previously published paper which described the first portion of the detector that was built and operated. Structural hemoglobinopathies do not usually have a clinical impact, but they can interfere with the analytical determination of some parameters, such as the glycated hemoglobin in diabetic patients. Thalassemias represent a serious health problem in areas where their incidence is high.

The defects in the post-translational modifications produce hyper-unstable hemoglobin that is not detected by most of electrophoretic or chromatographic methods that are available so far. We studied seven patients who belong to six unrelated families.

The first two families were studied because they had peak abnormal hemoglobin Hb during routine analytical assays.

The other four families were studied because they had microcytosis and hypochromia with normal HbA2 and HbF without iron deficiency. HbA2 and F quantification and abnormal Hb separation were performed by chromatographic and electrophoretic methods.

The molecular characterization was performed using specific sequencing. The electrophoretic and chromatographic profiles of the four other variants are normal and do not show any anomalies, and their identification was only possible with sequencing.

Therefore, it is important to maintain an adequate program for screening these diseases in countries where the prevalence is high to prevent the occurrence of severe forms. The detector is being constructed at the Laboratori Nazionali del Gran Sasso, Italy, where it will start taking data in If the target background of 0.


Tryggve Gran grew up in an affluent family in Bergen, Norway. The German emperor, William II, often visited the families of his friends. Gran became a good skier, hence well prepared for Robert Scott’s second expedition to the Antartic in Gran deeply regretted the Scott-Amundsen competition, and was cut off from the team heading for the South Pole. InGran trained in England and France as an air pilot. He joined the Royal Air Force in under the pseudonym of Teddy Grant, passing himself off as a Canadian, and received the Military Cross for distinguished war service.

A commemorative stamp was issued in on the 30th anniversary of his North Sea flight, and a meeting held in his honour with Quisling and German officers present. In this article, the author discusses some psychological aspects of Tryggve Gran ‘s choice of tasks and of his politics. Gran lost his father when he was only five and when he was 11 he was sent off to a pension in Switzerland for a year. Strongly ambivalent feelings from the oedipal period and from the latency may later have been released through hazardous activities, certainly with self-destructive aspects.

His membership in Quisling’s party might be seen in this context. Groundwater flow in a volcanic-sedimentary coastal aquifer: Development of spatially diverse and complex dune-field patterns: The pattern of dunes within the Gran Desierto of Sonora, Mexico, is both spatially diverse and complex. Identification of the pattern components from remote-sensing images, combined with statistical analysis of their measured parameters demonstrate that the composite pattern consists of separate populations of simple dune patterns.

Age-bracketing by optically stimulated luminescence OSL indicates that the simple patterns represent relatively short-lived aeolian constructional events since??? The simple dune patterns consist of: Recognition of the simple patterns and their ages allows for the geomorphic backstripping of the composite pattern. Palaeowind reconstructions, based upon the rule of gross bedform-normal transport, are largely in agreement with regional proxy data.

The sediment state over time for the Gran Desierto is one in which the sediment supply for aeolian constructional events is derived from previously stored sediment Ancestral Colorado River sedimentand contemporaneous influx from the lower Colorado River valley and coastal influx from the Bahia del Adair inlet.

Aeolian constructional events are triggered by climatic shifts to greater aridity, changes in the wind regime, and the development of a sediment supply.

Analysis | #totalhash

The rate of geomorphic change within the Gran Desierto is significantly greater than the rate of subsidence and burial of the accumulation surface upon which it rests. Journal compilation International Association of Sedimentologists. Gran Bittejcourt fires SE Venezuela: Fires are among the most important risks for tropical ecosystems in a future climatic change scenario.

Recently, paleoecological research has been addressed hisgoria discern the role played by fire in neotropical landscapes. However, given the magnitude of the Neotropics, many studies are relegated to infer just local trends.

Here we present the compilation of the paleo-fire records developed until now in the southern Gran Sabana SE Venezuela with the aim to describe the fire history as well as to infer the possible forcing factors implied. In this sense, southern Gran Sabana has been under fire perturbation since the Lateglacial, with the concomitant effects circr vegetation, and persisted during the Holocene.

Around cal yr BP onwards, the fire activity highly increased promoting the expansion of pre-existing savannas, the decrease of forests and the appearance and establishment of Mauritia palm swamps.

The continuous fire incidence registered for several thousands of years has likely promoted the supremacy of treeless savannas upon other vegetation types and the degradation to secondary landscapes. Based on the available evidence, the anthropogenic nature of this high fire activity has been postulated. The implications of these ancient practices in the area are also discussed for present Gran Sabana landscapes sustainability and future conservation strategies.

The Fundacion Gran Mariscal de Ayacucho. The Fundacion Dw Mariscal de Ayacucho, a large Venezuelan scholarship r that sends students to study in the United States and other countries, is discussed.

Information on program objectives, issues, and problems was obtained from work with students at the University of Pittsburgh, the literature, program records, and interviews with…. Gran Sasso National Laboratory: Outreach and communication activities. Due to its fascinating structures, the Gran Sasso National Laboratory LNGS offers huge opportunities for communication and outreach activities conceived for students and general public.


A great effort is devoted to the organisation of the “OPEN DAY”, in which the scientific staff of Gran Sasso introduces non expert people to the main relevant research topics of the laboratory through interactive demonstrations and particle detectors. In particular, a portable cosmic rays telescope has been realized: In order to point out the importance of the scientific culture for young people, LNGS is involved in the organisation of several training courses for students and teachers focused on the improvement of the knowledge on modern physics topics.

Since May is operating in Teramo the “Galileium”, an interactive museum for physics and astrophysics. Radon measurements in the Gran Sasso Underground Laboratory. Systematic radon monitoring in the Gran Sasso Underground Laboratory was performed in order to determine the background radon contribution to the sophisticated experimental apparatus and to check health physics standards for the personnel.

As expected, the radon concentrations were found to depend strongly on the ventilation in the three experimental halls.

Considerable reductions in the radon concentrations were obtained inwhen fresh air was drawn into the laboratory through a pipe and exhaust air was routed into the highway tunnel. Unidades del paisaje de Puerto Rico: El mapa de unidades del paisaje de Puerto Rico representa variaciones climaticas, topograficas y del substrato mediante la integracion de seis zonas climaticas Ewel y Whitmore,seis substratos Bawiec, ; USGS,cinco posiciones topograficas, o topoformas Martinuzzi et al. Los substratos representan el conjunto Monopole, astrophysics and cosmic ray observatory at Gran Sasso.

The detector will be dedicated to the study of naturally penetrating radiation deep underground.

Dicionario portugues | Alan Barros –

It is designed with the general philosophy of covering the largest possible area with a detector having both sufficient built-in redundancy and use of complementary techniques to study very rare phenomena. The detector capabilities will include monopole investigations significantly below the Parker bound; astrophysics studies of very high energy gamma ray and neutrino point sources; cosmic ray measurements of single and multimuons; and the general dw of rare new forms of matter in cirde cosmic rays.

Capital social de los padres de escolares de una zona vulnerable. Conservacion de truchas del Pacifico.


Influence of Sirocco in tomato production in Gran Canaria Island. Sirocco is a wind that comes from the Southwest of Africa. These conditions can accelerate the fruit maturation with adverse effect over the fruit quality which can reduce farm incomes. The objective of this work is to study the influence of Sirocco wind in tomato production in Gran Canaria. For this purpose, the possible effect of Sirocco in tomato production variation were studied in seven agricultural cooperatives using the data supplied by State Agrarian Insurance Body ENESA for a period of 14 years.

Results showed that a cumulative normal distribution presented the better fitness with the tomato production data. Monitoring service for the Gran Telescopio Canarias control system. A new version of the Monitoring Service has been developed in order to improve performance, provide high availability, guarantee fault tolerance and scalability to cope with high volume of data. The producer generates the data samples.

The consumers either persists the samples to a database for further analysis or propagates them to the consoles in the control room to monitorize the state of the whole system.

Mechanics of sperm-egg interaction at the zona pellucida. Mammalian sperm traverse several layers of egg vestments before fertilization can occur. The innermost vestment, the zona pellucida, is a glycoprotein shell, which captures and tethers the sperm before they penetrate it.