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Mostrando ítems 61-80 de 7900
Obtenção de nanofibras de celulose a partir de resíduos da indústria fumageira
(2016-02-25)
In the 2013/14 harvest, Brazil produced 751,000 tons of tobacco leaves. Tobacco industry employs tobacco leaves for cigarette and cigar production. About 4% of the tobacco leaves processed become a waste, which is basically ...
Relação estrutura propriedade da poliamida 6 aditivada com óleo de soja modificado com anidrido maleico
(2015-10-01)
The use of additives from alternative sources to petrochemical has attracted the interest of many academic researches and applications. The inputs as soybean oil have great potential in the polymer modification. However, ...
Capim-elefante pré-tratado por explosão a vapor como matéria-prima para produção de enzimas, hidrólise enzimática e fermentação alcoólica
(2015-06-02)
With the growing demand for sources of renewable energy as alternatives to petroleum, the use of lignocellulosic biomasses, such as Pennisetum purpureum (elephant grass), may provide a viable alternative to second generation ...
Efeito da adsorção e filtração na produção de celulases e xilanases
(2015-10-01)
Cellulases and xylanases enzymes complex production stands out in the world because these enzymes are important for the generation of biofuels, resins, alcohols, xylitol, sorbitol, and for the detergents industry, animal ...
Estudo da produção de poligalacturonases em processo submerso em biorreatores de agitação mecânica e airlift
(2014-05-23)
In this work, the production of endo and exo-polygalacturonase (PG) by Aspergillus oryzae IPT 301 was studied in a stirred tank bioreactor (STR) and in airlift bioreactors with internal and external circulation loop. Using ...
Abordagem biotecnológica em Proteus mirabilis
(2014-05-22)
O gênero Proteus é caracterizado pela rápida mobilidade, fenômeno denominado swarming . Quanto à homologia de seu DNA, apresenta apenas uma discreta relação com o da Escherichia coli. Freqüentemente relacionado com infecções ...
Obtenção e caracterização de espumas vítreas a partir de resíduos de lâmpadas fluorescentes descontaminados de mercúrio
(2015-02-23)
Glass foams are heterophasic materials applied in acoustic and thermal insulation, and compared to other materials, are lightweight and sturdy. Glass foams can be prepared from glass packaging, cathode ray tubes and other ...
Épocas de poda seca e sua influência na brotação, produção e qualidade das uvas Cabernet Sauvignon e Isabel na serra gaúcha
(2015-02-24)
Viticulture is an activity of great economic and social importance in the region of Serra Gaúcha, especially the production of wines, juices and derivatives. According to the characteristic of the wine production in the ...
Preparação e caracterização de membranas cerâmicas compostas tubulares para aplicação na separação de gases
(2015-02-23)
Within this context, this work aims to prepare membranes composed of α-alumina coated with palladium using the electroless plating technique associated with the sol-gel method. To achieve the objectives of the paper, ...
Mutações do gene TP53 em tumores caninos e sua relação com a expressão de genes associados à apoptose, controle de ciclo celular e angiogênese
(2014-07-17)
The p53 protein is frequently associated with human and animal cancer. This protein is
involved in the regulation of cell cycle, angiogenesis and apoptosis. The aim of this work
was to analyze modification on TP53 gene ...
Estudo da estabilidade da micela de caseina em leite estável e instável não ácido
(2015-07-15)
The unstable non-acid milk (UNAM) is characterized by the instability of caseins in the ethanol test and low acidity (≤ 18 °D). This kind of milk is not transported to the industry due to the subjectivity and low precision ...
O discurso fundador sobre o turismo no município de Canela/RS : ressignificações na paisagem e no artesanato
(2015-06-08)
This research aims to analyze the relationship of the municipality of Canela/RS with tourism from their links with the craft. General objective contribute to the emergence of other senses in ressignification of the ...
Resíduos sólidos na sociedade consumerista pós-moderna e as políticas públicas municipais : os desafios para o desenvolvimento sustentável
(2015-06-11)
Environmental issues have been gradually acquiring importance in the Brazilian legislation. An environmental stance inclusion and a sustainable development conception resemble the need for discussions concerning consumerism, ...
Matriz de posicionamento de materiais global : desenvolvimento e aplicação
(2015-12-15)
Multinational companies are involved in global sourcing and usually have manufacturing plants, sales and marketing activities around the world. This dissertation presents the development of a tool which objective is to ...
As relações entre educação e linguagem no ensino de língua espanhola
(2015-06-22)
Este estudio tiene el propósito de identificar las concepciones de lenguaje, enseñanza y aprendizaje de español como lengua extranjera (ELE) subyacentes a las cuestiones de prueba aplicadas a los alumnos del tercer año de ...
Bioatividade da cera industrial de lima-ácida (Citrus latifolia Tanaka) sobre Cryptotermes brevis Walker
(2014-05-22)
industrial lime wax for control of drywood termite Cryptotermes brevis was evaluated. This termite was introduced into the Brazilian ecosystem and causes serious economical damage to the Historical, Artistic and Cultural ...
Evolução aromática e autofagia/autólise durante a segunda fermentação de espumantes
(2015-02-24)
The Serra Gaucha region shows an excellent oenological aptitude for the production of high quality wines and sparkling wines. Sparkling wines process involves a second fermentation with gas and ethanol production, and ...
Avaliação das propriedades de compósitos de poli(hidroxibutirato-co-valerato) reforçado com fibras de curauá
(2014-07-10)
Composites are materials composed of two or more different materials, forming a heterogeneous class of materials which differ in physical and chemical properties. Recent studies on biodegradable polymer composites reinforced ...
Efeito biológico de extratos de pleurotus sajor-caju e lentinula edodes em cultivo de células tumorais
(2014-06-11)
Natural products are increasingly sold as dietary supplements due to several of its therapeutic properties, emphasizing the search for new drugs. This work shows that aqueous extracts of Lentinula edodes, Pleurotus sajor-caju ...
Sobre duas rodas : o moto-turismo no Rio Grande do Sul
(2014-06-26)
The theme’s research is the moto-tourism, the nomenclature is used by the Association of
Motorcyclists of Rio Grande do Sul (RS-AMO) to describe the meetings that occur among
motorcyclists in this state. It was questioned ...