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VI CIC. UFCG - Artigos - Engenharias e Ciências Exatas: Recent submissions

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Validação de estimativas da água precipitável mediante dados de radiossondagens.

BRAGA, Ramon Campos.; CAVALCANTI, Enilson Palmeira. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

This study aims to compare means and daily values of precipitable water calculated in empirical form to cities of South America, and dividing it by regions, with calculated values of precipitable water in aerologic method, ...
Recuperação de óleos lubrificantes usados usando solvente polar: 1-butanol.

DINIZ, Isaac Pereira.; ALMEIDA, Reutemann Alves.; SANTOS, José Carlos Oliveira. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The lubricating oils are substances of mineral base responsible for formation of a protective film, which obstructs the straight contact between two surfaces that are moved between you. To recycle the lubricant means to ...
Utilização da química computacional para o ensino de reações químicas: reações de halogenação e hidrohalogenação.

CORDEIRO, Diego Oliveira.; SANTANA, Otávio Luís de. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The aim of this work is to create a database of halogenation and hydrohalogenation reactions for the development of educational materials that help in teaching important concepts in chemistry. GaussView 3.0 and Gaussian ...
Caracterização eletroquímica de ligas metálicas amorfas DE Ni-W-P.

MARQUES, Alex Messias.; SILVA, Gecílio Pereira da. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

This work was carried out a study on electrodeposition of Ni-W-P alloy cell in Hull, is trying to simulate the conditions obtaining in the same industry. Thus, alloys were obtained in wide ranges of current density, ...
Monitoramento do nível do oceano atlântico tropical nas proximidades da costa do nordeste do Brasil.

FREIRE, Julliana Larise Mendonça.; SANTOS, Lais Alves.; GOMES FILHO, Manoel Francisco. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

During the last decades, and especially for periods of the year when the highest tide coefficients occur (January-February and August-September), some coastal locations in the eastern part of Northeast Brazil have been ...
Avaliação e cinética da retenção de corantes da indústria têxtil em adsorvente de baixo custo.

DANTAS, Suylan Lourdes de Araújo.; SANTOS, Cláudia Patrícia Fernandes dos. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The research work that comes being developed for this group has as objective to improve the efficiency of the process of residuary water treatment and to become it economically more viable, for material use adsorbent of ...
Contribuições da epistemologia histórica de Bachelard no estudo da evolução dos conceitos de eletroquímica.

SILVA, Francisco José Sousa da.; SANTOS, José Estrela dos. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

This work aims to understand the concepts of the students of 3rd year of high school and of students in the second periods of the UFCG Ciencias course in relation to the basic concepts of electrochemistry. For so much, ...
Compatibilidade de misturas de biodieseis de maracujá e mamona.

FARIAS, Rosiane Maria da Costa.; CONCEIÇÃO, Marta Maria da.; DANTAS, Manoel Barbosa.; SOUZA, Antonio Gouveia de. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

In the search for alternative raw materials for biodiesel production of the passion fruit presents interesting features such as: adaptation climatic conditions and good oil content, although high levels of unsaturated ...
Impacto da consideração de uma região urbanizada no balanço de energia em superfície.

RODRIGUES, Herika Pereira.; SOUZA, Ênio Pereira de. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

In this work we tested the impact of considering the presence of an urban surface parameterization, the TEB module, into the BRAMS model. Two numeric experiments were run over Southeast Brazil. Considering the metropolitan ...
Estudo da água precipitável sobre a América do Sul durante o ano de 2008.

GURJÃO, Carlos Diogo de Sousa.; OLIVEIRA, Priscilla Teles de.; CAVALCANTI, Enilson Palmeira. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

This study aimed to obtain the monthly mean fields of precipitable water and monthly fields of anomaly precipitable water for the year 2008. These fields were obtained using the software GRADS, using reanalysis data from ...
Análise de um evento extremo de precipitação sobre Maceió-AL utilizando diferentes esquemas de parametrização de convecção profunda.

COSTA, Rafaela Lisboa.; SOUZA, Enio Pereira de. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

Tha main goal of this study is to compare two cumulus parameterization schemes, namely the Kuo (1974) and the Grell (Grell and Dévényi, 2002) scheme, in simulating an extreme rainy event that occurred at Maceio – AL ...
Ajuste da equação de radar de tempo para um evento de precipitação a partir da formulação de um problema inverso.

TERTULIANO, Laryssa Galdino.; PAZ, Rômulo da Silveira.; SILVA, Fabíola de Souza. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

This work aimed to determine a new parameter for the radar equation, the current equation is based on the parameters of Marshall-Palmer and serves to determine the amount of rainfall based on data measured by radar. ...
Um estudo sobre mecanismos de ocultação de dimensões extras.

LEMOS, Adiel da Silva.; DAHIA, Fábio Leal de Melo. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The dimensionality of the Universe is a theme of great interest nowadays. The reason is the possibility of the existence of new extra dimensions beyond the usual three spatial dimensions. In the low - energy regime (below ...
Estudo do comportamento mensal da vegetação no estado da paraíba usando dados dos sensores AVHRR / NOAA.

BARBIERI, Leonardo Fagner Ponciano.; BRAGA, Célia Campos. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The study aims at providing a monthly monitoring of spatial vegetation in the state of Paraíba in from June 2008 to July 2008 by the aid of images from the AVHRR sensor systems of NOAA series weather satellite system in ...
Cenários de tendências de índices para monitoramento e detecção de mudanças climáticas para o Estado da Bahia.

ARAÚJO, Rayana Santos.; BRITO, José Ivaldo Barbosa de. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The objective of this work was to elaborate the sceneries for next 20 years of tendencies of indices for monitoring and detecting climate change over Bahia State. Also made a hindcast for the period from 1962 to 1980.The ...
Antropização em área de caatinga: expansão agrícola e alterações climáticas.

SILVA, Fabíola de Souza.; CORREIA, Magaly de Fatima.; SANTOS, Edvânia Pereira dos.; ARAGÃO, Maria Regina da Silva. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

Anthropogenic sources of heat and moisture change the surface energy balance and increase the vulnerability of natural ecossystems to extreme hydrological events. Temperatures (maximum and minimum) and air humidity are ...
Soluções de p-branas e buracos negros em teorias de supergravidade.

MELO, Édypo Ribeiro de.; BRITO, Francisco de Assis de. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The present work aimed at to investigate solutions of black hole type via equations of first order considering firstly the vacuum solution in which only the gravitational field plays a significant role. In High Energy ...
Perfil do número de onda vertical de uma pororoca mesosférica.

FIGUEIREDO, Cosme Alexandre Oliveira Barros.; COSTA, Ricardo Arlen Buriti da. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The goal of this work is to study the bore observed in October 20th, 2006 registered by an all -sky imager and a multi-channel photometer. Wind data between 80 and 100km of altitude observed by a meteor radar and temperature ...
O princípio do máximo aplicado à equação de laplace.

GALVÃO, Israel Buriti.; CORREIA, Francisco Júlio Sobreira de Araújo.; ALBUQUERQUE NETO, Luiz Mendes de. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

Partial differential equations constitute a major area in mathematics not only because its applications in various branches of science and engineering but also for their theoretical richness in which several of the most ...
Análise do vento no Aeroporto Internacional do Recife, Pernambuco: biênio 2007-2008.

SILVA, Alexsandra Barbosa.; SILVA, Pollyanna Kelly de Oliveira.; ARAGÃO, Maria Regina da Silva.; CORREIA, Magaly de Fatima. (BrasilUFCGUniversidade Federal de Campina Grande, 2009)

The variability of the wind observed at the Recife International Airport/Guararapes – Gilberto Freire is investigated with an emphasis on the seasonal and diurnal variations. Hourly data for the years of 2007 and 2008 ...

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