993 resultados para 174-1071H


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[EN] Progress in methodology in specific fields is usually very closely linked to the technological progress in other areas of knowledge. This justifies the fact that lexicographical techniques have had to wait for the arrival of the IT era of the last decades of the 20th century in order to be able to create specialised electronic dictionaries which can house and systemise enormous amounts of information which can later be dealt with quickly and efficiently. This study proposes a practical-methodological model which aims to solve the grammatical treatment of adverbs in Ancient Latin. We have suggested a list of 5 types, in a decreasing order from a greater to lesser degree of specialisation; technical (T), semi-technical (S-T), instrumental-valued (I-V), instrumental- descriptive (I-D), instrumental-expository (I-E).

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Anejos de Veleia, Series Minor, 26. Editado por Vitalino Valcárcel.

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Lei n. 9.503, de 23 de setembro de 1997, e legislação correlata.

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La situación del entorno actual, marcado por el efecto de la globalización, conduce a buscar nuevos enfoques organizacionales para ofrecer soluciones prácticas a la creciente dinamización del mercado. Clientes, proveedores, subcontratistas, competidores, centros de investigación, universidades… tienden a interrelacionarse configurando el concepto de “empresa extendida”: red de nodos ágiles, flexibles, con conexiones mundiales y con capacidad de reconfiguración permanente, características vitales para mantenerse competitivo. En este artículo se ha realizado una labor de estudio y análisis de teorías organizacionales consideradas seminales y se ha evaluado su idoneidad en el contexto competitivo actual. El resultado ha sido el diseño de un modelo de gestión basado en un enfoque proactivo que se sustenta en la gestión del conocimiento organizacional y que aboga por valores como el desequilibrio constante, la relación con otras organizaciones buscando efectos sinérgicos y la compartición del saber, entre otros.

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Este artículo se ha realizado en el marco de los Proyectos de Investigación titulados “Los sistemas integrados de gestión (SIG) en las empresas españolas” (SEC2006-06682/ECON) financiado por el Ministerio de Educación y Ciencia dentro de la convocatoria de ayuda a proyectos de I+D y “Análisis de la implantación de los Sistemas de Gestión Medioambiental en las empresas de la CAPV: generación de propuestas innovadoras para su integración organizativa”, financiado por la UPV-EHU en su convocatoria general de Proyectos de Investigación de 2006.

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The migratory population of striped bass (Morone saxatilis) (>400 mm total length[TL]) spends winter in the Atlantic Ocean off the Virginia and North Carolina coasts of the United States. Information on trophic dynamics for these large adults during winter is limited. Feeding habits and prey were described from stomach contents of 1154 striped bass ranging from 373 to 1250 mm TL, collected from trawls during winters of 1994-96, 2000, and 2002-03, and from the recreational fishery during 2005-07. Nineteen prey species were present in the diet. Overall, Atlantic menhaden (Brevoortia tyrannus) and bay anchovy (Anchoa mitchilli) dominated the diet by boimass (67.9%) and numerically (68.6%). The percent biomass of Atlantic menhaden during 1994-2003 to 87.0% during 2005-07. Demersal fish species such as Atlantic croaker (Micropogonias undulatus) and spot (Leiostomus xanthurus) represented <15% of the diet biomass, whereas alosines (Alosa spp.) were rarely observed. Invertebrates were least important, contributing <1.0% by biomass and numerically. Striped bass are capable of feeding on a wide range of prey sizes (2% to 43% of their total length). This study outlines the importance of clupeoid fishes to striped bass winter production and also shows that predation may be exerting pressure on one of their dominant prey, the Atlantic menhaden.

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The communities associated with Mytilus californianus (mussel) beds from 20 geographic sites in southern California were examined. The study areas included six mainland sites - Government Point, Goleta Point, Ventura, Corona del Mar, Carlsbad, and San Diego,and two sites on opposite sides of seven offshore islands - San Miguel Island, Santa Rosa Island, Santa Cruz Island, Anacapa Island, San Nicholas Island, Santa Cruz Island and San Clemente Island. : The mussel communities from all areas contributed to the master species list which now encompasses conservatively, 610 species of animals and 141 species of algae. The most diverse collection came from Cat Rock, Anacapa Island where the mussel beds supported 174 species of invertebrates. The lowest diversity was recorded for mussel beds from Ben Weston, Santa Catalina Island which contained 46 species. In general, the island mussel beds supported a greater diversity of both animals and plants. Mussel community samples were collected from upper and lower intertidal areas occupied by the mussel beds within a locality. Community differences in both composition and abundance were associated with these collections. Overall. community similarity analysis revealed five major patterns which corresponded to characteristic species assemblages occupying the mussel beds from the various geographic areas. The patterns included: (1) clusters of localities which display a north-south geographic pattern with respect to the similarity of their respective mussel communities, (2) a separation of selected island and mainland communities because of dissimilarities in their species composition, (3) differences between mussel communities. on opposite sides of the offshore islands, (4) clusters of species whose highest abundances characterize selected localities, (5) species groups ubiquitous to all mussel beds examined. The results of the community analysis further suggest that predictions can be made delineating the probable mussel community inhabitants of areas not sampled. The species distribution patterns observed appear to correspond in part to the influence of currents and water masses which bear planktonic larvae and impinge on selected localities. The most important mussel bed features associated with community differences were quantitative and qualitative differences in the potential microhabitats. Those features associate~ with greater species diversity include the pore base of coarse fraction shell and rock debris, skewness and kurtosis of the sediment grain-size distributions and mussel bed thickness. Those features associated with lower species diversity included the quantity of tar. and rock and shell debris trapped within the mussel bed. (PDF contains 51 pages)

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A história Bibliográfica de Sertum palmarum brasiliensium... é a seguinte: em 1900, o Deputado Federal por São Paulo, D. Augusto César Miranda Azevedo, apresentou ao Congresso Nacional uma emenda à proposta orçamentária para 1901, autorizando o Poder Executivo "a mandar imprimir na Imprensa Nacional o texto e as estampas da monografia sobre palmeiras do botânico brasileiro Dr. João Barbosa Rodrigues..." Entretanto, a autorização não pôde ser efetivada porque a Imprensa Nacional não dispunha de equipamento para a reprodução de estampas. Em 1901, o Senador pelo Estado do Pará, Dr. Lauro Sodré, apresentou emenda à proposta orçamentária para 1902, cuja lei estabeleceu no art. 6º : "é o Governo autorizado a mandar imprimir na Europa ou em país onde houver mais vantagem, a obra Sertum palmarum..., abrindo para tal fim o necessário crédito, e de acordo com o autor". O crédito -- duzentos contos de réis -- foi finalmente, aberto o Decreto nº 4.428, de 12 de junho de 1902, assinado por Campos Sales e referendado por Sabino Barroso, Ministro da Justiça. A obra foi impressa em Bruxelas sob a direção do próprio Barbosa Rodrigues, que, para esse fim ali se demorou nove meses. Trata-se de trabalho gráfico de primeira ordem, tanto pela reprodução colorida das estampas, como pelo texto e encadernação.

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A two day workshop was convened on February 2-3, 1998 in Charleston, SC with 20 invited experts in various areas of sea turtle research. The goal of this workshop was to review current information on sea turtles with repect to health and identify data gaps. The use of a suite of health assessment indicators will provide insight on the health status of sea turtle populations. Since the relationship of health factors of sea turtles is limited, a seconde workshop was planned. Using a tiered approach, the first workshop we identified and reviewed the available, pertinent baseline information and data gaps. The second workshop will focus on developing the framework for the research plan. The workshops will address the use of integrated set of health parameters; specific objectives are: 1) Identify reliable indicators of health in sea turtles: assess advantages and disadvantages; determine new indicators/biomarkers which may be useful; 2) Review existing sea turtle field sampling projects; 3) Identify field projects suitable for inclusion for health assessment sampling; 4) Identify data gaps, particularly environmental characterization; 5) Identify new health assessment sampling sites, including reference site(s); and 6) Develop integrated five-year research plan, with focus on health assessment of environmental characterization. (PDF contains 174 pages)

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Since the beginning of the nineties the situation of the Baltic cod stock is deteriorating constantly. The fishery administration (International Baltic Sea Fisheries Commission) tries to counter this by issuing new technical measures. Existing measures (raise of mesh opening from 105 to 120 mm, “Danish” and “Swedish” escape windows) and newly introduced technical measures (BACOMA codend and raise of the mesh opening in conventional codends to 130 mm) show a number of deficiencies putting their efficiency in doubt. Available well tested alternatives to the newly introduced measures without their negative side effects (codends made of netting turned by 90°, and other designs) are presently left out of regard. Models of socioeconomic effects are likewise ignored.

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This paper discusses the investment prospects in Tilapia fry and fingerling production in raceways created from the concrete drainage channel of a reservoir or pond of an existing fish farm in Nigeria. With an initial capital of 1,300 and an annual operating cost of 310 spent on procurement of fish feed and brood stock for a 10 m super(2) raceway per se, a net profit of 4,100 and 5,090 would be realized from Sarotherodon galilaeus in the first year and subsequent years of production respectively, assuming that the fingerling production rate has been maintained through the production period. It is concluded that the application of this approach of optimizing the use of available resources in the fish farm for the productive breeding of Tilapia fry and fingerlings will apart from alleviating the problem of scarcity of stocking materials in the country, increase the profit margin accruing to the fish farmer

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The digestibility and utilisation of two soybean bran-based diets and two fishmeal-based diets serving as control, at optimal (30%) and suboptimal (20%) protein levels were evaluated in Oreochromis niloticus. These were Diet I (Control)-fishmeal based diet at 30% crude protein, Diet II (Control) - fishmeal based diet at 20% crude protein, Diet III - hydrolysed Soybean Bran based diet at 30% crude protein, Diet IV - hydrolysed Soybean Bran based diet at 20%. Dry matter digestibility differed insignificantly with variation in diets (P<0.05). There was significant variation in the protein (p 20.05), lipid and ash digestibility. Protein was more digestible at optimum level than sub-optimum level, while lipid and ash digestibility did not vary with their inclusion levels. Variation in the utilisation of the diets was significant (P<0.05) except for survival. It was observed that the best diet was Diet 1, closely followed by Diet II with highest values of mean final weight, specific growth rate, protein efficiency ratio and the apparent net protein utilisation. The high digestibility values of Diets III and IV suggests their inclusion in fish diet to spare protein for growth

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It is proposed that single attosecond pulses be generated via high-order harmonic generation by using a two-color pump pulse with time dependent ellipticity. The two-color pump pulse is created by the fundamental field and its second harmonic: the fundamental field is left-circularly polarized and the second harmonic is right-circularly polarized. Numerical simulations show that single attosecond pulses can be produced in the cut-off region by using the synthesis of 20 fs left-hand and right-hand circularly polarized pulses with a pulse delay of 20 fs. The attosecond pulses produced this way are much stronger than that produced by a few-cycle linear polarized pulse of comparable intensity. (c) 2005 Optical Society of America