Sucessão estratigráfica e tratos de sistemas do Membro Romualdo, porção leste da Bacia do Araripe, nordeste do Brasil

Located in northeastern Brazil, the evolution of Araripe Basin has been associated with the fragmentation of Gondwana and opening of the South Atlantic. The Santana Formation belongs to the post-rift sequence of the basin and is characterized by the presence of laminated limestones in the lower portion (Mb. Crato), evaporite (Ipubi) and siliciclastics (Mb. Romualdo). For better understanding of the Romualdo's stratigraphy, depositional environments and tract of systems, a stratigraphic analysis was made with representative columnar sections of the unit. Sedimentary facies have been described in detail, as well as paleocurrents measured at different stratigraphic levels. It was found that the contact of Mb. Romualdo with the carbonate-evaporite section (Mbs. Crato and Ipubi) is a unconformity, evidenced by residual lags and thin layers of conglomerates above the contact. Above the conglomeratic levels predominate fine sandstones / medium interlayered with calciferous green shales. The percentage of shales increases towards the top, featuring retrogradational stacking culminating in layers of coquinas, excellent stratigraphic mark in the basin. Thin layers of coquins of gastropods comprising equinoids, located on the shale section, present in three sections marine deposits are associated with surfaces ravine. The upper section is characterized by recurrent facies of green shales, sandstones intercalated with sandstones progressively become more frequent towards the top of the unit, featuring the regressive part of the cycle. The sandstones present cross-stratification, often with mud clasts and clay layers in the foresets, and beddings of flaser type and wavy in heterolitic facies, suggesting the action of tidal currents. Paleocurrents measured in the sandstones show gaps with opposite flow directions outlining bipolar standards, which reinforce the interpretation of shallow marine environment influenced by tides during the sedimentation...

Paleocorrentes e paleogeografia do Grupo Aerado, cretáceo inferior da Bacia Sanfranciscana

The Areado Group of the Sanfranciscana Basin is a Lower Cretaceous continental sedimentary system that is correlated to the Brazilian Pre-Salt beds. The Aerado Group is composed of Abaeté, Quiricó and Três Barras formations. Paleocurrent data for the Areado Group were previously presented, although not systematically which prevented significative interpretations on the basin paleogeography. This work attempts to systematically evaluate paleocurrent data, aiming to recognize depositional environment and paleogeographic reconstruction, based on the sedimentary facies and paleocurrents measurements along vertical profiles. Fluvial paleocurrents of the Abaeté Formation indicate paleoflows towards NW whereas aeolian palecurrents of the Três Barras Formation show paleowinds towards SW. The depositional systems interpreted for the Areado Group were: braided river, alluvial fan, lacustrine, playa lake, fluvial-deltaic and aeolian. The combined analyses of facies and paleocurrents allowed a reliable paleogeographic reconstruction of the basin, with paleodip towards northwest, paleowinds towards south-southwest and source-area located at southeast. These results indicate that paleowinds were orthogonal to paleostream, but parallel to depositional strike of the basin. The interpreted depositional systems characterize a desert environment during the Abaeté sub-basin times. The association of dunes and wet interdunes followed by large scale dunes and dry interdunes suggests a decrease in humidity towards the top of the Três Barras Formation, with a dry aeolian system onlapping the basement. The observed decrease of humidity in Sanfranciscana Basin may reflect local or regional paleoclimatic changes during the opening of the South Atlantic, but this assumption is only tentative

Influência de aspectos técnicos e anatômicos nos índices de fertilidade baseado no desempenho da inseminação artificial

The aim of this work was to examine both the influence of anatomical and technical aspects on fertility rate of sheep based on the performance of transcervical artificial insemination (TCAI). Transcervical artificial insemination was performed with traction of the cervix in 122 ewes using frozen semen from 11 rams, both Santa Ines breed. The data collected were: type of external cervical opening (CO) (P - papilla; FL - flap; DB - duckbill, S - spiral; RO - rosette), duration of cervical manipulation (2-3, 4-5 and 6-7 minutes), degree of difficulty in cervical transposition (low, moderate, high) and presumed semen deposition site (SC - superficial cervical; DC - deep cervical; IU - intrauterine). The influence of these variables on pregnancy rate was evaluated. Cervical opening type and duration of cervical manipulation had no influence (p>0.05) on fertility. The degree of difficulty in cervical manipulation influenced (p<0.05) pregnancy rate, since insemination classified as low grade had 52% of pregnancy, while those classified as high recorded only 20%. The presumed site of semen deposition influenced significantly (p<0.05) fertility. Pregnancy rates of deposition at each site were: UI – 45.8%, DC – 25.7%; SC – 15.4%. As expected, deeper depositions resulted in higher fertility. In conclusion, the performance of TCAI did not depend on the anatomical classification of external cervical opening of ewe and the duration of cervical manipulation within the range tested (2-7 minutes). The TCAI may have higher fertility rates if difficulties in the application were reduced and the semen deposition was deeper.

Análise econômica da eficiência da produção de cana-de-açúcar de fornecedores do Estado do Paraná

The sugarcane industry has been important in the Brazilian economy since the colonial period. The search for alternative energy sources has gained more prominence, by offering a product generating clean energy. With the opening of the Brazilian economy, the sector has undergone transformations operating in a free market environment requiring greater efficiency and competitiveness of those involved in order to stay in business. This scenario is producer/supplier independent, and social aspects related to their stay in the market. Although its share in sugarcane production is smaller than the plant itself, it is still considerable having reached around 20% to 25% in 2008 by employing labor, also production factors had an important economic impact in the regions where they operate. Therefore, this study aimed to estimate the economic efficiency and production of independent sugarcane producers in the state of Paraná through the DEA model. The Data envelopment analysis (DEA) is a nonparametric technique that, using linear programming constructs production borders from production units that employ similar technological processes to transform inputs into outputs.The results showed that of the total surveyed, 13.56% had maximum efficiency (an efficiency score equal to 1). The average efficiency under variable returns to scale (BCC-DEA) was 0.71024. One can thus conclude that for the majority of the samples collected, it might be better use of available resources to the in order to obtain the economic efficiency of the production process.

O papel da burocracia no processo de implantação dos Institutos Federais de Educação, Ciência e Tecnologia (IFs): o caso do IF de Passos (MG)

Pós-graduação em Planejamento e Análise de Políticas Públicas - FCHS

Evolução tectônica e estratigráfica das bacias da margem continental do Uruguai

Pós-graduação em Geociências e Meio Ambiente - IGCE

As contribuições da Pedagogia Waldorf no atendimento a diversidade e na valorização das diferenças

The ideal of Waldorf Education, since the opening of the first school in 1919, was based on innovative principles for a humanized society. Among those principles, there was the attendance of all children without distinction, which is exactly the main idea of the inclusive school. Waldorf pedagogy defends that under the right pedagogical action and care with the individual development, anyone can develop, regardless of their disability. This statem ent highlights the main objective of this methodology, that is the human development, aligned to another fundamental guideline of inclusive education. Accordingly, the hypothesis of this work is that Waldorf education promotes inclusive schooling contexts, attending diversity and valuing differences. The general objective of this study is: analyze Waldorf Education to verify if it promotes inclusive contexts. And the specific objetives were: identify elements in this practice that favors diversity attend; analyze the practice of a Waldorf school, considering documentation, structure, and conception of managers, teachers and parents. The study was based on quantitative and qualitative research approach, and the data was collected trough observation of teaching practices in a classroom where a disabled student was present, as well as through documentation and observation of the school environment. Furthermore, in order to verify the understanding of parents (71 individuals) and teachers (18 individuals) on inclusion, a specific questionnaire was developed for each of these two groups. For the records, a diary and an observation script were used. It was concluded that Waldorf methodology provides all the necessary conditions to inclusion, mainly due to it's enhancement of individuality, didactic organization and it's roots in social relations

Circo social: uma ação da educação física na educação não formal

This work is the fruitful result of the desire to conduct a collaborative investigation through Circus Arts with children and adolescents at social (vulnerability) risk. Thus, the very objective of the rese arch was to analyze and understand Social Circus action possibilities on non-formal education as a (viable) job option for Physical Education teachers. This research was developed through qualitative research using Field Notes as the main instrument for the meetings' data collection, which took place from May to December 2015. In general terms, the research was divided into three phases, the former was carried out at a state school through the Escola da Família Program, (which consists of the opening of all public schools on weekends, offering to the communities extra activities) and the latter two in Shelter Homes for adolescents. The results showed that there were some (considerable) difficulties throughout and some gaps in our society that become evident on the poor. Furthermore, the results also confirm the possibility of the Physical Education teachers' participation in other sectors of the society, through the non-formal Education perspective and the possibility of Social Circus as the (fundamental) instrument of this action

Avaliação imediata e após 6 meses da resistência de união a dentina de restaurações de resina composta classe I in vivo e in vitro

Pós-graduação em Odontologia Restauradora - ICT

Estratigrafia do Andar Alagoas na sub-bacia do Tucano Norte, Bahia

Pós-graduação em Geociências e Meio Ambiente - IGCE