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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
121

Desempenho de ovinos Santa Inês alimentados com níveis de proteína oriundas do resíduo de camarão em substituição a uma fonte protéica convencional / PERFORMANCE OF SANTA INÊS SHEEPS FED PROTEIN LEVELS DERIVED FROM SHRIMP WASTE IN PLACE OF A CONVENTIONAL PROTEIN SOURCE.

Santos, Marciliano de Melo 28 May 2010 (has links)
One of the main problems to reach good and productive results of sheeps for slaughtering relies on the quantity and quality of available food to such animals feeding. In the northeast, hay is short and of bad quality over drought period and when supplemented by traditional proteinic sources, the production cost is reasonably high. One viable alternative to solve such feeding deficiency is using agribusiness residues such as shrimp s wastes since this byproduct shows good feeding value especially concerning proteins. Such waste can be used to substitute soy in a lot of feeding systems, mainly in the confinement one. This waste presents low production cost decreasing total costs of confinement systems. One of the measures to evaluate the waste effect on sheeps feeding is analyze the performance of such animals under different levels of this waste addition and compare it to the traditional proteinic source (soy bren). This work was aimed at evaluating the Santa Inês sheeps performance fed with protein levels derived from shrimp waste in place of a conventional protein source. / Um dos principais problemas para se atingir bons resultados produtivos com ovinos de corte está na quantidade e na qualidade disponível de alimentos para a nutrição destes animas. Na região nordeste a forragem é escassa e de baixa qualidade nos períodos de estiagem por isso quando suplementados por fontes protéicas convencionais o custo de produção é elevado consideravelmente. Para uma possível melhoria desse problema poderíamos sugeri uma alternativa viável para se contornar esta deficiência alimentar, que é a utilização de resíduos agroindustriais tais como o resíduo de camarão, visto que este subproduto apresenta bom valor nutricional principalmente em proteína. Este resíduo pode ser utilizado em substituição à soja em diversos sistemas de alimentação, principalmente em sistema de confinamento, apresentando baixo custo de produção diminuindo os gastos com sistemas de confinamento. Uma das medidas para avaliar o efeito do resíduo na alimentação de ovinos é analisar o desempenho destes animais submetidos a diferentes níveis de adição deste resíduo e comparando-o com fonte protéica convencional (farelo de soja). Por meio do presente trabalho objetivou-se avaliar o desempenho de ovinos Santa Inês alimentados com níveis de proteína oriundas do resíduo de camarão em substituição uma fonte protéica convencional.
122

Uma análise da implementação da política de atenção à saúde e segurança do servidor público federal (pass) com foco na equipe multiprofissional

Pacheco, Marcia Vieira January 2015 (has links)
Submitted by Ana Lúcia Torres (bfmhuap@gmail.com) on 2017-10-11T11:54:02Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) DISSERTAÇÃO MARCIA PACHECO.pdf: 7324036 bytes, checksum: 4b181fd2bf20376ba21540591b5559eb (MD5) / Approved for entry into archive by Ana Lúcia Torres (bfmhuap@gmail.com) on 2017-10-11T11:54:12Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) DISSERTAÇÃO MARCIA PACHECO.pdf: 7324036 bytes, checksum: 4b181fd2bf20376ba21540591b5559eb (MD5) / Made available in DSpace on 2017-10-11T11:54:12Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) DISSERTAÇÃO MARCIA PACHECO.pdf: 7324036 bytes, checksum: 4b181fd2bf20376ba21540591b5559eb (MD5) Previous issue date: 2015 / Universidade Federal Fluminense / Analisa-se o processo de implementação da Política de Atenção à Saúde e Segurança no trabalho do Servidor Público Federal (PASS) e do Subsistema Integrado de Atenção à Saúde do Servidor (SIASS) no Estado do Rio de Janeiro através de revisão de literatura, descrição e análise documental de relatórios, de arcabouço legal específico pertinente ao tema e de estudo de caso realizado em duas unidades do SIASS. Estabeleceu-se como hipótese que as concepções e conhecimentos dos agentes implementadores da PASS-SIASS ‒ no caso específico a equipe multiprofissional das unidades ‒ tendem a determinar configurações e práticas que poderão se aproximar ou não do modelo preconizado pela política, impactando sua implementação. Os resultados da investigação demonstraram que os conhecimentos e concepções que orientam as práticas das equipes nas duas unidades ainda mantém-se próximos ao conceito da Saúde Ocupacional. Aponta-se os Foruns do SIASS como espaços potencias para superação desse quadro / In this paper, the implementation of the Healthcare and Work Safety Policy for Federal Civil Servants (PASS) and the Integrated Healthcare Subsystem for Civil Servants (SIASS) in the State of Rio de Janeiro were analysed through a literature review, description and analysis of report documents, of the specific legal structure related to the theme, and a case study carried out at two units of SIASS. It was established as a hypothesis that the concepts and knowledge of PASS and SIASS agents – the multi professional teams, more specifically - tend to determine configurations and practices which may or may not follow the model established by policy, thus affecting its implementation. Results show that the knowledge and concepts that guide the practices of the teams in both units are in relatively close conformity with the concept of Occupational Health. SIASS’s Forums are highlighted as potential elements in overcoming this situation
123

Desempenho de ovinos Santa Inês alimentados com níveis de proteína oriundas do resíduo de camarão em substituição a uma fonte protéica convencional / PERFORMANCE OF SANTA INÊS SHEEPS FED PROTEIN LEVELS DERIVED FROM SHRIMP WASTE IN PLACE OF A CONVENTIONAL PROTEIN SOURCE.

Santos, Marciliano de Melo 28 May 2010 (has links)
One of the main problems to reach good and productive results of sheeps for slaughtering relies on the quantity and quality of available food to such animals feeding. In the northeast, hay is short and of bad quality over drought period and when supplemented by traditional proteinic sources, the production cost is reasonably high. One viable alternative to solve such feeding deficiency is using agribusiness residues such as shrimp s wastes since this byproduct shows good feeding value especially concerning proteins. Such waste can be used to substitute soy in a lot of feeding systems, mainly in the confinement one. This waste presents low production cost decreasing total costs of confinement systems. One of the measures to evaluate the waste effect on sheeps feeding is analyze the performance of such animals under different levels of this waste addition and compare it to the traditional proteinic source (soy bren). This work was aimed at evaluating the Santa Inês sheeps performance fed with protein levels derived from shrimp waste in place of a conventional protein source. / Um dos principais problemas para se atingir bons resultados produtivos com ovinos de corte está na quantidade e na qualidade disponível de alimentos para a nutrição destes animas. Na região nordeste a forragem é escassa e de baixa qualidade nos períodos de estiagem por isso quando suplementados por fontes protéicas convencionais o custo de produção é elevado consideravelmente. Para uma possível melhoria desse problema poderíamos sugeri uma alternativa viável para se contornar esta deficiência alimentar, que é a utilização de resíduos agroindustriais tais como o resíduo de camarão, visto que este subproduto apresenta bom valor nutricional principalmente em proteína. Este resíduo pode ser utilizado em substituição à soja em diversos sistemas de alimentação, principalmente em sistema de confinamento, apresentando baixo custo de produção diminuindo os gastos com sistemas de confinamento. Uma das medidas para avaliar o efeito do resíduo na alimentação de ovinos é analisar o desempenho destes animais submetidos a diferentes níveis de adição deste resíduo e comparando-o com fonte protéica convencional (farelo de soja). Por meio do presente trabalho objetivou-se avaliar o desempenho de ovinos Santa Inês alimentados com níveis de proteína oriundas do resíduo de camarão em substituição uma fonte protéica convencional.
124

A Study of Digital RF Phase Shifters Fabricated With Additive Manufacturing

Vega, Yaniel 30 October 2015 (has links)
Digital RF phase shifters fabricated using additive manufacturing processes are presented and studied. The purpose is to explain the performance differences between phase shifters fabricated using additive manufacturing and those fabricated with conventional subtractive techniques. All phase shifters are designed to operate at a center frequency of 2.45 GHz with a 100 MHz bandwidth. The 1-bit 45° switched line phase shifters have an average insertion loss of 1.3 dB and a 220 mm2 footprint, while the 1-bit 180° high-pass low-pass phase shifters have an insertion loss 1.56 dB and a 180 mm2 footprint. The 4-bit high-pass low-pass, switched line hybrid phase shifters on the other hand show an average state insertion loss of 5.4 dB and have a 660 mm2 foot print. By carefully analyzing the performance of the various phase shifter designs it is shown that the limiting factors of additive manufacturing technology are the low conductivity of CB028 silver ink in comparison to copper, and the inability to print dielectrics with low surface roughness. Finally, parallel plate capacitors and a spiral inductor designed to be fabricated using additive manufacturing techniques are studied. This is done in order to better understand the advantages and disadvantages of such a design. By analyzing the component’s simulated performance it is shown that 3D printed capacitors and inductors are feasible as long as the capacitance or inductance values needed are low. Large value 3D printed components are impractical for RF applications due to their large size.
125

Morphodynamics and Sediment Pathways of the John's Pass-Blind Pass Dual-Inlet System: Pinellas County, Florida

Horwitz, Mark H. 05 July 2017 (has links)
The morphodynamics of an inlet channel draining an estuary or bay are governed by a complex system of temporally and spatially varying physical processes, including wind, waves, tides, sediment transport, and both tide and wave driven currents. In addition, sediment availability and characteristics in conjunction with underlying geologic framework bear on the morphology and morphologic behavior of an inlet system. This study examines the morphodynamics, sediment transport patterns and time-series morphologic change of John’s Pass and Blind Pass, two structured tidal inlets that collectively make up a dual-inlet system sharing the tidal prism of northern Boca Ciega Bay, in Pinellas County, Florida. To quantify wave and tidal forcing and response mechanisms an array of hydrodynamic sensors were deployed over a 12 month period at both inshore and offshore locations. In order to capture morphologic changes and quantify volumetric changes within the inlets, bathymetric surveys of the inlets were conducted in 2010, 2011, 2012, and 2014. Similarly, bi-monthly beach survey data for the same range of time was acquired in order to quantify volumetric changes along adjacent stretches of beach. In addition to gaining insights into sediment pathways based on morphologic and volumetric variability, those data were also used to develop a regional sediment budget along the studied stretch of coast. To gain insights into the morphodynamics of the dual-inlet system, bathymetric and hydrodynamic data was used to develop a numerical model of the dual inlet system. Numerical model simulations based on existing or baseline conditions were compared with numerical simulations employing synthetic bathymetric and hydrodynamic conditions in order to examine inlet behavior under a range of different morphological and hydrodynamic conditions. John’s Pass is the dominant of the two inlets. It exhibits mixed-energy straight morphology and captures ca 81% of the available tidal prism. The inlet has a well-developed mature ebb shoal, and actively bypasses sediment from one side of the inlet to the other supplying sediment to the downdrift littoral system. Blind Pass captures less than 20% of the available tidal prism, and while also exhibiting mixed-energy morphologic characteristics has a less well developed ebb shoal that currently has not fully established a sediment bypassing system. Both inlets channels and ebb shoals have been dredged on multiple occasions to provide sediment for the nourishment of nearby chronically eroding stretches of beach. Dredge pits excavated along the distal margins of the ebb shoals are infilling at rates substantially slower than expected due to limited sediment transport along those regions of the ebb shoal, while inlet channel dredge pits infill at rapid and expected rates. The objective of this study was to characterize the morphodynamics of the dual-inlet system with the aim of identifying sediment pathways and bypassing mechanisms, and quantify a balanced regional sediment budget in order to design more sustainable approaches to inlet management.
126

The Many Battles of Glorieta Pass: Struggles for the Integrity of a Civil War Battlefield

Hull, William Edward, 1945- 08 1900 (has links)
This study focuses on modern-day attempts to preserve the site where Union volunteers from Colorado defeated a Confederate army from Texas at the 1862 Battle of Glorieta Pass to curtail Confederate expansion westward. When construction workers in 1987 accidently uncovered remains of the war dead, a second battle of Glorieta Pass ensued. Texas and New Mexico officials quarreled over jurisdiction of the war casualties. Eventually Congress authorized the National Park Service to expand the Pecos National Park through purchase and donation of land to include the battlesite. Sources include local records, newspapers, federal and state documents, and interviews with preservation participants.
127

Výkonový zesilovač pro pásmo krátkých vln / HF band power amplifier

Korvas, Miroslav January 2011 (has links)
The theme of my diploma thesis is a realization of the high frequency amplifier with possibility to change its class between class A, B and C with output low pass and band pass filters. The output power is supposed to be at about 10 W in frequency range 3,5 MHz to 14 MHz. The thesis contains theory of amplifier respectively transceiver and filters. In next parts I will design, simulate, realize and measure created amplifier and filters.
128

Elektronicky řiditelné kmitočtové filtry s proudovými aktivními prvky / Electronically controllable frequency filters with current active elements

Suchánek, Tomáš January 2011 (has links)
The aim of the thesis is to study the possibilities of the electronic frequency ?lter com- posed of active elements operating in current mode. The main opportunities lie in the change control parameters, most are marginal or quality factor frequency. As the active elements are considered especially CC (Current Convejor), controllable current ampli?er DACA (Digitally Adjustable Current Ampli?er) or combination with the current tracker MO-CF (Multiple Output Current Follower). Another part will focus on the management of the above parameters using digital potentiometers and choosing the appropriate ?lter structure. The ?nal task was to digital control parameters using a PC and measuring its properties.
129

Návrh a realizace aktivních reproduktorových soustav s digitálním vstupem / Design and Implementation of Active Loudspeaker System with Digital Input

Uchytil, Filip January 2012 (has links)
The work is focused on a design of an active loudspeaker system with a bi-amp amplifier and a digital input. There is described the theory of a loudspeaker enclosure design and its practical implementation. Furthermore the work deals with a design and construction of input circuits such as a preamplifier, Baxandall tone control, active crossover, all-pass filter and S/PDIF. On the basis of the amplifier´s theory the optimal construction of amplifiers and their design are selected. The complex design of the loudspeaker box is devised so that it would reach a maximum acoustic power during the preservation of a low distortion.
130

Magma Mixing and Dome Formation: Dacite of East Pass Creek, Colorado

Streffon, Jenna C. 09 August 2019 (has links)
No description available.

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