Dinâmicas de apropriação e ocupação em diferentes formas de relevo: impactos e vulnerabilidades em ambientes urbanos

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Análise dos sistemas de produção dos estabelecimentos rurais do município de Palmital/SP em busca de estratégias para o desenvolvimento rural

Pós-graduação em Agronegócio e Desenvolvimento - Tupã

Influência da existência de refeitório no ambiente de trabalho sobre os acidentes de trajeto

Pós-graduação em Engenharia de Produção - FEB

Extração e Caracterização de Uma Enzima Proteolítica do Curauá (Ananas erectifolius)

Ananas erectifolius (curaua) is a fibrous vegetable that can be found in North and Central West regions of Brazil. It is a bromeliaceae family plant which physico-chemical features provides great potential in the automobilistic industry as a source of fibers. As commonly described in other bromeliaceae species, it contains significant levels of bromelain, of high commercial value and wide range of aplications in food, pharmaceutical and cosmetic industry. In this paper, experimental tests were performed to evaluate the extraction of the proteolytic enzymes of the Ananas erectifolius under different pH and temperature conditions to determine in which ones the enzymatic activity would be the maximum for later purification of the bromelain. The two commercially available curaua varieties (white and purple) were used in the experiments and the results showed the same optimal pH of 8,5 for both varieties and different temperatures of 30ºC for the white one, and 10ºC, 20ºC and 35ºC for the purple one.

Acessibilidade e resolutividade em assistência oftalmológica para o SUS

Pós-graduação em Bases Gerais da Cirurgia - FMB

Lucile Kathryn Delano Papers - Accession 509

The Lucile Kathryn Delano Papers consist of correspondence relating to Dr. Delano, Hallet Abend, and Virgilia Peterson (Princess Sapieha of Poland), an account of her trips to Europe and Mexico City, honors and awards she received, a dissertation presented to the Board of Graduate Studies at Washington University, notes on projected research on William Cullen Bryant, manuscripts, newspaper clippings, and family photographs.

Chemical contaminants in juvenile gray whales (Eschrichtius robustus) from a subsistence harvest in Arctic feeding grounds

Gray whales are coastal migratory baleen whales that are benthic feeders. Most of their feeding takes place in the northern Pacific Ocean with opportunistic feeding taking place during their migrations and residence on the breeding grounds. The concentrations of organochlorines and trace elements were determined in tissues and stomach contents of juvenile gray whales that were taken on their Arctic feeding grounds in the western Bering Sea during a Russian subsistence harvest. These concentrations were compared to previously published data for contaminants in gray whales that stranded along the west coast of the US during their northbound migration. Feeding in coastal waters during their migrations may present a risk of exposure to toxic chemicals in some regions. The mean concentration (standard error of the mean, SEM) of Σ PCBs [1400 (130) ng/g, lipid weight] in the blubber of juvenile subsistence whales was significantly lower than the mean level [27 000 (11 000) ng/g, lipid weight] reported previously in juvenile gray whales that stranded in waters off the west coast of the US. Aluminum in stomach contents of the subsistence whales was high compared to other marine mammal species, which is consistent with the ingestion of sediment during feeding. Furthermore, the concentrations of potentially toxic chemicals in tissues were relatively low when compared to the concentrations in tissues of other marine mammals feeding at higher trophic levels. These chemical contaminant data for the subsistence gray whales substantially increase the information available for presumably healthy animals.

Eastern temperate North Pacific offshore killer whales (Orcinus orca): Occurrence, movements, and insights into feeding ecology

Beginning in the late 1980s, large groups of previously unidentified killer whales (Orcinus orca) were sighted off the west coast of Vancouver Island and in the Queen Charlotte Islands, British Columbia. Scientists working in this region produced two killer whale photo-identification catalogues that included both transient (mammal-eating) whales and 65 individual whales that investigators believed represented a distinct killer whale community (Ford et al. 1992, Heise et al. 1993). It was thought that these killer whales maintained a generally offshore distribution and were provisionally termed “offshores”; a term that has since been used as a population identifier for the eastern temperate North Pacific offshore killer whale population. Then in September 1992, 75 unidentified whales entered the Strait of Juan de Fuca just south and east of Victoria, British Columbia (Walters et al. 1992). Although most of these whales had not been seen before, two were matched to killer whales in the Queen Charlotte photo-identification catalogue (Ford et al. 1992, Heise et al. 1993) and were thus listed as “offshore” killer whales. During a similar time period, other large groups of killer whales, previously unidentified, were also being sighted off Alaska and California (Dahlheim et al. 1997; Nancy Black and Alisa Schulman- Janiger, unpublished data, respectively).

2006 East Campus Arbor Day Celebration

It cannot be lost on those of us present here today that Nebraska, the land of tall skies and wide prairies, where early settlers saw grass roll to the horizon broken only by the call of the lark, is the home of Arbor Day. Nebraska is, indeed, the tree planter state.

Acessibilidade e resolutividade em assistência oftalmológica para o SUS

Pós-graduação em Bases Gerais da Cirurgia - FMB

Novel polymer electrolytes based on gelatin and ionic liquids

This study describes the results of the characterization of polymer electrolytes using gelatin matrix doped with europium triflate and/or different ionic liquids. Samples of solvent-free electrolytes were prepared and characterized by ionic conductivity measurements, thermal analysis, electrochemical stability, X-ray diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence spectroscopy. Electrolyte samples are thermally stable up to approximately 220 degrees C. All the materials synthesized are totally amorphous. The room temperature conductivity maximum of this electrolyte system is based on ionic liquid 1-ethyl-3-methylimidazolium acetate, (C(2)mim)(OAc) (1.18 x 10(-4) S cm(-1) at 30 degrees C). The electrochemical stability domain of all samples is about 2.0 V versus Li/Li+. This new series of materials represents a promising alternative in polymer electrolytes research field. The preliminary studies carried out with electrochromic devices (ECDs) incorporating optimized compositions have confirmed that these materials may perform as satisfactory multifunctional component layers in the field of "smart windows". This new materials, will open a land of promising applications in many areas: optics, energy, medicine for example as membranes and separation devices, ECD-based devices, sensors, etc. (C) 2012 Elsevier B.V. All rights reserved.

La explotación del acuífero de la Aldea (Gran Canaria) desde el punto de vista de la directiva marco del agua

[ES] El valle de La Aldea, al oeste de Gran Canaria, se dedica a la agricultura intensiva en un clima semi-árido. El agua de riego proviene de aguas superficiales y subterráneas. El acuífero está aislado del resto de la isla por el borde impermeable de la Caldera de Tejeda. El aluvial principal de La Aldea se comporta como un depósito de almacenamiento de agua que se llena y vacía, con un tiempo medio de renovación de aproximadamente 2 años. Las aguas subterráneas muestran una alta salinidad de origen natural, debido a la evapoconcentración de la deposición atmosférica y la interacción agua-roca, y antropogénica debida a los retornos de riego que producen contenidos en nitratos que pueden alcanzar los 700 mg/L. Se ha establecido un modelo conceptual de funcionamiento del acuífero y se han cuantificado los términos del balance de agua. El uso actual del acuífero está en conflicto con los requerimientos de la Directiva Marco del Agua (DMA). Sin embargo, dado que su uso es clave para el desarrollo económico del valle de La Aldea en particular, cabe plantear las excepciones legales específicas previstas en la DMA.

„When we are disciplined, we can learn very well“: Schüler und Disziplin an einem Jungeninternat in Nordghana /// Arbeitspapiere / Institut für Ethnologie und Afrikastudien ; 91

Diese Arbeit analysiert den Alltag in einem gymnasialen Jungeninternat in der Upper West Region in Ghana und setzt diese Analyse in eine anthropologische Perspektive zum Staat. Angeregt durch die Überlegungen von Michel Foucault zu Disziplinarmechanismen und „Technologien des Selbst“ steht die alltägliche Disziplinierung der Schüler im Mittelpunkt dieser Arbeit. Dabei wird Disziplin nicht als restriktiv, übergeordnet und allgegenwärtig gedacht, sondern als etwas, das die Schüler aktiv mitgestalten. Einerseits sind die Schüler der Nandom Secondary School Disziplinartechniken ausgesetzt, die sich auf die Kontrolle ihrer Körper beziehen: Sie werden vereinheitlicht, klassifiziert, hierarchisiert, überwacht, geprüft und bestraft. Andererseits sind die Schüler keine übermächtigten Objekte einer totalen Institution, sondern sie wirken kreativ mit beim Flechten des Netzes aus Kontrolle und Freiräumen in ihrer Schule: Sie spielen eine wichtige Rolle bei der Kontrolle der Lehrer; sie erkennen und nutzen Freiräume, deren Rahmen sie mit den Lehrern aushandeln. Auch ihr Selbst bekommen die Schüler nicht von den Lehrern einfach diktiert. Zwar wird ihnen durch das Bild des guten Schülers eine bestimmte Sicht auf sich selbst nahe gelegt, doch wie sie dieses Bild aufnehmen, ablehnen oder umdeuten liegt in ihren eigenen Händen.

Iodine speciation in atmospheric aerosols in the marine boundary layer

Iodine chemistry plays an important role in the tropospheric ozone depletion and the new particle formation in the Marine Boundary Layer (MBL). The sources, reaction pathways, and the sinks of iodine are investigated using lab experiments and field observations. The aims of this work are, firstly, to develop analytical methods for iodine measurements of marine aerosol samples especially for iodine speciation in the soluble iodine; secondly, to apply the analytical methods in field collected aerosol samples, and to estimate the characteristics of aerosol iodine in the MBL. Inductively Coupled Plasma – Mass Spectrometry (ICP-MS) was the technique used for iodine measurements. Offline methods using water extraction and Tetra-methyl-ammonium-hydroxide (TMAH) extraction were applied to measure total soluble iodine (TSI) and total insoluble iodine (TII) in the marine aerosol samples. External standard calibration and isotope dilution analysis (IDA) were both conducted for iodine quantification and the limits of detection (LODs) were both 0.1 μg L-1 for TSI and TII measurements. Online couplings of Ion Chromatography (IC)-ICP-MS and Gel electrophoresis (GE)-ICP-MS were both developed for soluble iodine speciation. Anion exchange columns were adopted for IC-ICP-MS systems. Iodide, iodate, and unknown signal(s) were observed in these methods. Iodide and iodate were separated successfully and the LODs were 0.1 and 0.5 μg L-1, respectively. Unknown signals were soluble organic iodine species (SOI) and quantified by the calibration curve of iodide, but not clearly identified and quantified yet. These analytical methods were all applied to the iodine measurements of marine aerosol samples from the worldwide filed campaigns. The TSI and TII concentrations (medians) in PM2.5 were found to be 240.87 pmol m-3 and 105.37 pmol m-3 at Mace Head, west coast of Ireland, as well as 119.10 pmol m-3 and 97.88 pmol m-3 in the cruise campaign over the North Atlantic Ocean, during June – July 2006. Inorganic iodine, namely iodide and iodate, was the minor iodine fraction in both campaigns, accounting for 7.3% (median) and 5.8% (median) in PM2.5 iodine at Mace Head and over the North Atlantic Ocean, respectively. Iodide concentrations were higher than iodate in most of the samples. In the contrast, more than 90% of TSI was SOI and the SOI concentration was correlated significantly with the iodide concentration. The correlation coefficients (R2) were both higher than 0.5 at Mace Head and in the first leg of the cruise. Size fractionated aerosol samples collected by 5 stage Berner impactor cascade sampler showed similar proportions of inorganic and organic iodine. Significant correlations were obtained in the particle size ranges of 0.25 – 0.71 μm and 0.71 – 2.0 μm between SOI and iodide, and better correlations were found in sunny days. TSI and iodide existed mainly in fine particle size range (< 2.0 μm) and iodate resided in coarse range (2.0 – 10 μm). Aerosol iodine was suggested to be related to the primary iodine release in the tidal zone. Natural meteorological conditions such as solar radiation, raining etc were observed to have influence on the aerosol iodine. During the ship campaign over the North Atlantic Ocean (January – February 2007), the TSI concentrations (medians) ranged 35.14 – 60.63 pmol m-3 among the 5 stages. Likewise, SOI was found to be the most abundant iodine fraction in TSI with a median of 98.6%. Significant correlation also presented between SOI and iodide in the size range of 2.0 – 5.9 μm. Higher iodate concentration was again found in the higher particle size range, similar to that at Mace Head. Airmass transport from the biogenic bloom region and the Antarctic ice front sector was observed to play an important role in aerosol iodine enhancement. The TSI concentrations observed along the 30,000 km long cruise round trip from East Asia to Antarctica during November 2005 – March 2006 were much lower than in the other campaigns, with a median of 6.51 pmol m-3. Approximately 70% of the TSI was SOI on average. The abundances of inorganic iodine including iodine and iodide were less than 30% of TSI. The median value of iodide was 1.49 pmol m-3, which was more than four fold higher than that of iodate (median, 0.28 pmol m-3). Spatial variation indicated highest aerosol iodine appearing in the tropical area. Iodine level was considerably lower in coastal Antarctica with the TSI median of 3.22 pmol m-3. However, airmass transport from the ice front sector was correlated with the enhance TSI level, suggesting the unrevealed source of iodine in the polar region. In addition, significant correlation between SOI and iodide was also shown in this campaign. A global distribution in aerosol was shown in the field campaigns in this work. SOI was verified globally ubiquitous due to the presence in the different sampling locations and its high proportion in TSI in the marine aerosols. The correlations between SOI and iodide were obtained not only in different locations but also in different seasons, implying the possible mechanism of iodide production through SOI decomposition. Nevertheless, future studies are needed for improving the current understanding of iodine chemistry in the MBL (e.g. SOI identification and quantification as well as the update modeling involving organic matters).

De Hiel y de Miel di Patxi Zubizarreta. Proposta di traduzione dallo spagnolo all'italiano

Selim, a 15 year-old boy, lives with the desire to leave Morocco in order to get to Europe, and more precisely to Paris, land of dreams and opportunities. However, unfortunately, Selim will face himself with a hostile and dangerous world and the future awaiting for him will be very different from the one he had always imagined for himself. During his journey, he will go through both positive and negative experiences: he will fall in love with Esther, a Spanish girl from Vitoria, but he will also discover the harshness of the Western world. This paper provides a translation of the Spanish novel De hiel y de miel, written by the Basque author Patxi Zubizarreta and first published in Spain in 1995. In the first chapter, we find the presentation of the author and his book, including a detailed analysis of the main features of the novel. The second chapter is the focal point of the paper as it presents a translation of the novel. Finally, the third and last chapter focuses on the problems that arose during the translation process and how these were solved by the translator.