146 resultados para Adversative connectors
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This work analyzes the behavior of the adversative connectors in the speech of the user of Natal, with views to suggest implications for the grammar teaching in the high school Portuguese languages classes. It is an investigation that sits on the functionalist paradigm, specifically in the protected ideas for Givón. For so much, data of situations of speech from the corpus Discurso e gramática lingual falada e escrita da cidade do Natal (FURTADO DA CUNHA, 1998). The sample embraces a total of forty interviews, of which the occurrences are cut out whose registrations mark the existence of adversatives constructions in narratives of personal experience and in the opinion reports, modality of oral language, of the mentioned database. The work revisits authors of the grammar, Cunha (1986); Bechara (2006); Perini (2006), among others; authors that contemplate referring approaches to the use of opposition connectors as: Barreto (1999); Tavares (2003); Longhin (2003); Silva (2005); Rocha (2006); Neves (2000, 2006). The results of the panoramic analysis reveal as adversity connectors in use for the habitant of Natal, for recurrence order, the mas, e, aí, agora, só que, no entanto and já. Analyzed the results, the same ones are compared with the treatment presented by the traditional grammar, with application of functional iconicity principle, markdness principle and the prototype of the category is chosen. In the differentiated analysis of the item " agora ", structural profile of the constructions is analyzed that involve the item, semantic profile, times, manners and aspects of the verbs that they wrap up in the constructions in reference, trajectory of grammaticalization and comparison with the prototype of the category. Finally, they are suggested implications of whole the study for the teaching of Portuguese language, in the high school classes
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A loose abrasive lapping technology was developed for truing and dressing ultrafine diamond cup wheels for grinding spherical end faces of fibre optic connectors. The relative densities of exposed grits and grit pull-outs measured from wheel surfaces prepared using the loose abrasive lapping and the bonded abrasive dressing were compared. It was found that the lapping method with loose abrasives produced wheel surfaces with more exposed grits and less grit pull-outs, especially for finer grit size wheels. For dressing ultrafine grit size wheels, the particle size of the lapping paste should be smaller than the wheel grit size to achieve a better result. It is also found that the wheels dressed using the lapping method demonstrate an excellent grinding performance. (C) 2004 Elsevier B.V.. All rights reserved.
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En aquesta comunicació s’analitza un aspecte de la codificació sintàctica de la llengua escrita, la formació de connectors hipotàctics complexos que introdueixen causes
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Thèse réalisée en cotutelle avec l'Institut supérieur de philosophie, Université catholique de Louvain.
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Resumen basado en el de la publicaci??n. Resumen en ingl??s. Monogr??fico con el t??tulo: 'La reflexi??n metaling????stica y la ense??anza de la gram??tica'.
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En aquesta comunicació s’analitza un aspecte de la codificació sintàctica de la llengua escrita, la formació de connectors hipotàctics complexos que introdueixen causes
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Abstract Background The study and analysis of gene expression measurements is the primary focus of functional genomics. Once expression data is available, biologists are faced with the task of extracting (new) knowledge associated to the underlying biological phenomenon. Most often, in order to perform this task, biologists execute a number of analysis activities on the available gene expression dataset rather than a single analysis activity. The integration of heteregeneous tools and data sources to create an integrated analysis environment represents a challenging and error-prone task. Semantic integration enables the assignment of unambiguous meanings to data shared among different applications in an integrated environment, allowing the exchange of data in a semantically consistent and meaningful way. This work aims at developing an ontology-based methodology for the semantic integration of gene expression analysis tools and data sources. The proposed methodology relies on software connectors to support not only the access to heterogeneous data sources but also the definition of transformation rules on exchanged data. Results We have studied the different challenges involved in the integration of computer systems and the role software connectors play in this task. We have also studied a number of gene expression technologies, analysis tools and related ontologies in order to devise basic integration scenarios and propose a reference ontology for the gene expression domain. Then, we have defined a number of activities and associated guidelines to prescribe how the development of connectors should be carried out. Finally, we have applied the proposed methodology in the construction of three different integration scenarios involving the use of different tools for the analysis of different types of gene expression data. Conclusions The proposed methodology facilitates the development of connectors capable of semantically integrating different gene expression analysis tools and data sources. The methodology can be used in the development of connectors supporting both simple and nontrivial processing requirements, thus assuring accurate data exchange and information interpretation from exchanged data.
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"November 1987."
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"19 January 1965."
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"By Nelson S. Perkins, construction engineer, Peter Landsem, assistant construction engineer, National Committee on Wood Utilization, United States Department of Commerce, and Geo. W. Trayer, senior engineer, Forest Products Laboratory, Branch of Research, Forest Service, United States Department of Agriculture."--P.1.
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The CONNECT European project that started in February 2009 aims at dropping the interoperability barrier faced by today’s distributed systems. It does so by adopting a revolutionary approach to the seamless networking of digital systems, that is, synthesizing on the fly the connectors via which networked systems communicate.
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Letter to the Editor
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A solid-phase in-line extraction system for water samples containing low levels of emerging contaminants is described. The system was specially developed for large volume samples (up to 4 L) using commercial solid-phase extraction (SPE) cartridges. Four sets containing PTFE-made connectors, brass adapters and ball valves were used to fit SPE cartridges and sample bottles to a 4-port manifold attached to a 20 L carboy. A lab-made vacuum device was connected to the manifold cap. The apparatus is robust and less expensive than the typical available system. Its also provides less experimental handling, avoiding cross contamination and sample losses.
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As a way to reduce water losses in furrow irrigation systems, used in fresh market tomato production, farmers are improperly distributing water into the field using plastic hose. The objective of this work was to study the suitability of using quick coupler sprinkler as hose connectors for water distribution in tomato plantation. The first step of the study was to assess the current hose field operation for tomato growers. Subsequently, four models of quick couplers sprinklers available in the market were tested in laboratory to determine the coefficient of resistance, the equivalent tube length, the head loss curve and the linking efficiency. As result, a structural design for hose connectors was presented using the model of coupling with the best hydraulic performance. Additionally, some technical recommendations on its use in irrigation water distribution are highlighted. Despite the requirement for additional field trials, the proposed system has potential to optimize the water use efficiency, to improve workers ergonomic conditions, and ensure good profitability to the producer.
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The use of mechanical shear connectors, mainly headed stud bolts, is the most common way to achieve steel-concrete composite action. The encasement of the steel beam in the depth slab results in increase of strength and stiffness, reducing the total height of the floor. In this investigation, three partially encased composite beams were tested under flexural conditions and the main objective was to investigate some alternative positions for the headed studs. To provide longitudinal shear resistance between the I-shaped beam and the concrete, two positions of the,studs were investigated: vertically welded on the bottom flange and horizontally welded on the faces of the web. The experimental results have shown that the headed studs are effective to provide the composite action and increase the bending strength. Furthermore, the headed studs welded vertically on the bottom flange proved to be the most reliable position.