848 resultados para restos arqueológicos romanos


Relevância:

10.00% 10.00%

Publicador:

Resumo:

The proper management of agricultural crop residues could produce benefits in a warmer, more drought-prone world. Field experiments were conducted in sugarcane production areas in the Southern Brazil to assess the influence of crop residues on the soil surface in short-term CO2 emissions. The study was carried out over a period of 50 days after establishing 6 plots with and without crop residues applied to the soil surface. The effects of sugarcane residues on CO2 emissions were immediate; the emissions from residue-covered plots with equivalent densities of 3 (D50) and 6 (D100) t ha-1 (dry mass) were less than those from non-covered plots (D0). Additionally, the covered fields had lower soil temperatures and higher soil moisture for most of the studied days, especially during the periods of drought. Total emissions were as high as 553.62 ± 47.20 g CO2 m-2, and as low as 384.69 ± 31.69 g CO2 m-2 in non-covered (D0) and covered plot with an equivalent density of 3 t ha-1 (D50), respectively. Our results indicate a significant reduction in CO2 emissions, indicating conservation of soil carbon over the short-term period following the application of sugarcane residues to the soil surface.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

The expansion of the no-tillage system, in Brazil, has increasingly diversified the ways in which the production methods are established and managed. This study aimed at evaluating the influence of preceding crops such as mayze and Urochloa ruziziensis, as well as their intercropping, in the presence and absence of seed inoculation with Azospirillum brasilense, and the cover nitrogen supplying on common bean development, production components and grain yield. The study was carried out in Selvíria, Mato Grosso do Sul State, Brazil, in the 2011/2012 crop season. The experimental design was randomized blocks, with four replications, in a 8x4 factorial scheme, with treatments consisting of a combination of cover crops (associations of mayze, U. ruziziensis and A. brasilense) and cover nitrogen doses on common bean (0 kg ha-1, 30 kg ha-1, 60 kg ha-1 and 90 kg ha-1). The preceding crops affected the common bean grain yield, with the mayze and Urochloa intercropping, both inoculated, being the best option. The initial common bean population was not affected by previous crops. The cover nitrogen application did not affect the common bean grain yield under winter irrigation, for the no-tillage system.

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Pós-graduação em Ciência dos Materiais - FEIS

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Pós-graduação em Zootecnia - FCAV

Relevância:

10.00% 10.00%

Publicador:

Resumo:

A Ilustração Científica é um trabalho que consiste na representação fiel de um material biológico determinado, respeitando-se todas as medidas, proporções e contraste de cores, mesmo que em preto e branco. Por isso, a capacidade de observação é uma qualidade indispensável para que se tenha um bom resultado. Podem ser desenhos de materiais vivos, extintos, arqueológicos e até processos cirúrgicos e devem ser claro em significado, não poluído e que não provoque nenhum tipo de incompreensão ou dúvidas. Ela é altamente utilizada no meio acadêmico tendo um vasto campo de aplicação, variando desde trabalhos mais simples e esquemáticos aos mais complexos com alto nível de acabamento e detalhamento. Independentemente à técnica, as ilustrações científicas ainda são uma ferramenta de extrema importância e de grande utilização, sendo muito solicitadas por pesquisadores, que desejam enriquecer seus trabalhos, torná-los mais explicativos, mais claros, e mais didáticos. Por mais que se tenha a possibilidade das fotografias modernas, um desenho empregando técnicas tradicionais como acabamento é totalmente indispensável, já que a foto, por mais sofisticada e cheia de recursos que possua a máquina, não consegue transmitir todos os detalhes e estruturas que se deseja em uma mesma fotografia. O artista tem a liberdade de montar uma prancha com aquilo que o pesquisador precisa, usando sua percepção visual e destreza para reproduzir com exatidão o material em questão. Recursos digitais, ao contrário do que muitos acreditam, não tiraram o espaço das técnicas tradicionais, mas veio como mais uma opção de ferramenta de trabalho que, aliás, para usá-la é necessário saber desenhar igualmente àquele que não se utiliza desse recurso. O tempo passou, as sociedades mudaram e as representações...(Resumo completo, clicar acesso eletrônico abaixo)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Seeking to contribute to the research of classical Greek and Roman translations into Portuguese and to the reception of these texts in Brazilian literature, this study intends to inventory, study and promote the work of translation of José Feliciano de Castilho, a distinguished Luso-Brazilian who has lived in Rio de Janeiro from 1847 until his death in 1879. Focusing on the poetic translations of Catullus, this study shows our intent to put together the learning of Latin language and approaches of history of translation

Relevância:

10.00% 10.00%

Publicador:

Resumo:

The lubricant oil used in engines of internal combustion must be, periodically, changed. Its mainly function in the engines is to reduce the friction between the pieces, but its presence also promotes the cleanness and the refrigeration of the equipment. These attributions, at the end of some cycles of operation, make the oil to be dirty, that is, full of contaminating substances such as water, gasoline, diesel, additives, oxidized hydro-carbons and rests of metals, not being recommended, therefore, its discarding in the environment. Thus, all the used lubricant oil that leaves the automobiles engine has been thrust, waiting for a solution. The pollution generated by the discarding of a ton of used oil per day in the soil or in the rivers is equivalent to a domestic sewer of 40 thousand of people. The indiscriminate burning of the used lubricant oil generates significant emissions of metallic oxides, besides other toxic gases, like the dioxin and sulphur oxides. In this context, the mean objective of this essay was to effectuate the rerrefine of the used lubricant oil, aiming the increase of its life cycle and consequently contributing for the reduction of the environmental pollution. According to the used process, it was possible to get a rerrefine oil, of good quality, which physicistchemistries properties are in compliance with the norms of NBR and ASTM

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Located in Apiaí, Vale do Ribeira, southern region of São Paulo state, the Usina do Calabouço areas (CIEM / CPRM) and Morro do Ouro (Parque Municipal do Morro do Ouro), were targeted for stud ies due to its old buildings, respectively a foundry in lead ore, called Experimental de Chumbo e Prata (Usina Calabouço), and a gold mine with processing plant of the gold-bearing ore produced there. Nowadays, the areas are used for public visitation, and in both places the rests of the buildings remains. Particularly in the CIEM/CPRM, due to the materials witch was produced before, it can suggest the existence of anomalous amounts of the involved metals (CIEM / CPRM) and possible contaminations by chemical products used in the improvement of the auriferous ore (P. M. Morro do Ouro). These potential contamination were confirmed with geochemical survey of soils and current sediments accomplished in both areas, for the elements arsenic, cadmium, lead, copper, mercury, silver and zinc, which were used as parameters guiding values for soil and groundwater the state of São Paulo (CETESB), and watershed values stipulated by CPRM (poor, background and anomalous), in it rising geochemistry during Folha Apiaí's execution (SG-22-X-B-V).

Relevância:

10.00% 10.00%

Publicador:

Resumo:

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Relevância:

10.00% 10.00%

Publicador:

Resumo:

A consequence of population growth is the increased generation of solid waste, which requires environmentally and economically viable suitable disposal sites. The scarcity of such sites makes necessary to adopt non-generation measures, reduction, reuse , recycling and treatment of solid waste before final disposal of waste. This paper presents the quantification and qualification of organic waste generated in each sector of the University Restaurant (UR) , by proposing indicators of waste generation per meal (index of waste) . Then, from the characterization of the waste management practices adopted internally, evaluates the potential deployment of the composting process for organic waste, with signaling for opportunities to improve waste management. The diagnosis of waste generation was made based on data collected during the period of 10 days. The waste were classified into 3 groups (organic, recyclable and waste) in each sector of the restaurant ( pre preparation , kitchen and tray return) . The results reveal that 33 % of the waste generated in the UR currently has the potential to be composted in a suitable place on campus. Every meal served generat approximately 124g of waste, of which 35g are organic waste of the pre preparation sector, 49g are remnants of food in the tray’s return and 40g are other kinds of waste, including recyclable and non recyclable. You can still get a higher percentage of compostable if the trays pre-wash is not performed with detergent and water. To minimize the generation of waste trays can be replaced by plates and skimmers and ladles can be replaced by smaller ones. The food exposed in the counter but not consumed, can be distributed to students after the restaurant is closed so this material would not be disposed in the garbage

Relevância:

10.00% 10.00%

Publicador:

Resumo:

O presente trabalho será desenvolvido em uma quadra urbana no centro da cidade de Roma que compreende o Complexo da Crypta Balbi em cujo espaço é possível realizar uma leitura do ponto de vista arquitetônico e urbano ao longo da história e ver refletida a cidade ao longo de seu desenvolvimento através de vestígios arqueológicos do início da formação de Roma (III a.C.) até construções do século XIX . O trabalho visa a restauração e reabilitação do Complexo, mais especificamente das edificações localizadas na Via del Delfini a fim de abrigar um edifício de uso público assim como a requalificação do espaço aberto no interior do quarteirão permitindo sua integração com o entorno imediato e com os edifícios da quadra