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Search Results: 1 - 10 of 203527 matches for " Anna Christina Sanazário de Oliveira "
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Growth, Nutrient Content and SPAD Value of Corn in Monoculture and in Intercropping  [PDF]
Anna Christina Sanazário de Oliveira, Fábio Cunha Coelho, Henrique Duarte Vieira, Jocarla Ambrosim Crevelari, Raquel Fialho Rubim
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.518288
Abstract:

The objective of this study was to evaluate the growth, the nutrition, and the intensity of the green color in corn plants in monoculture and in intercropping with Mucuna aterrima, Crotalaria juncea, and Canavalia ensiformis, cultivated with different handlings. In general, corn plants in monoculture demonstrated greater growth and greater SPAD value in the first evaluation, despite presenting lower tenor of phosphorus in the leaves when related to the corn in intercropping. The weed helps in the growth of the corn plant and increases the SPAD value during flowering. The monoculture NPK (Nitrogen, Phosphorus and Potassium) fertilization promoted higher values in corn plant growth, as well as a greater SPAD value, at 30 d.a.e., of the plants. The NPK-fertilized corn plants showed a greater tenor of sulphur and a lower tenor of molybdenum. The corn in intercropping with M. aterrima resulted in smaller plants at 70 d.a.e. It also presented a greater tenor of molybdenum and lower tenor of nickel when compared to intercroppings with C. juncea and with C. ensiformis. The corn plants in a intercropping with Crotalaria juncea presented higher growth at 30 and 70 d.a.e. and greater tenors of molybdenum when compared to the plants in intercropping with C. ensiformis.

Emergence of Conilon Coffee Seedlings Originating from Seeds Treated with a Sodium Hypochlorite Solution  [PDF]
Raquel Fialho Rubim, Henrique Duarte Vieira, Eduardo Fontes Araújo, Anna Christina Sanazário de Oliveira, Alexandre Pio Viana
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.513195
Abstract:

The coffee seeds are problematic for the physiologycal quality, featuring low speed of seedling emergence. In this sense, this work was developed with the objective of evaluating the effect of sodium hypochlorite in the removal of the parchment and in the emergence and seedlings development of conilon coffee in nursery conditions. Coffee seeds of the variety Victoria were used, which were harvested in the cherry stage and pulped by hand. Seeds were dried in an oven with forced ventilation until reaching moisture contents of 35%, 30% and 25% wet basis. Then, the seeds with parchment were soaked in a sodium hypochlorite solution with concentrations of 4%, 5%, 6% and 7% active chlorine for 3 and 6 hours. For each moisture content, two additional treatments were added consisting of seeds with parchment and seeds in which the structure was removed manually. The characteristics evaluated were: emergence speed index, total emergence, dry mass of the shoots and root system. Utilization of sodium hypochlorite promoted an acceleration in seedling emergence speed similar to the method for manual removal of the parchment when using concentrations of 4%, 5%, 6% and 7% for 3 hours, at all moisture contents.

Efeito do pólen nas características físicas e fisiológicas de sementes de mam?o
Martins, Gabriela Neves;Pereira, Messias Gonzaga;Silva, Roberto Ferreira da;Oliveira, Anna Christina Sanazário de;Silva, Franceli da;
Revista Brasileira de Sementes , 2009, DOI: 10.1590/S0101-31222009000200002
Abstract: the occurrence of the xenia phenomenon, considered the result of the crossing that is manifested in the first generation of the mother plant, has been known for many years. however, little is known regarding the contribution of the effect of the pollen to papaya seed performance. the objective of this study was to evaluate the influence of pollen on the physical and physiological characteristics of papaya seeds. the seeds used in the study were produced from hand pollinated fruits of the groups solo and formosa, corresponding to the following treatments: t1 - selfed solo; t2 - selfed formosa; t3 - solo x formosa; t4 - formosa x solo; t5 - fruits proceeding from selfed t3; t6 - fruits proceeding from selfed t4. the following determinations and tests were carried out: fruit weight, number of seeds per fruit, seed size, weight of a thousand seeds, seed germination, first count, accelerated aging, radicle and hypocotyl lengths, and cold test. a randomized complete block design was used with four replications and the means were compared by the tukey test at 5% probability. no effects of the origin of the pollen were verified on the seed physical characteristics. the effect of xenia on the seed physiological quality could not be assessed because a premature manifestation of heterosis was observed.
Economic evaluation of sugarcane in no-tillage and conventional systems in Campos dos Goytacazes-RJ Avalia o econ mica de cana-de-a úcar em sistema de plantio direto em compara o ao convencional em Campos dos Goytacazes-RJ
Anna Christina Sanazário Oliveira,Raquel Fialho Rubim,Pedro Gon?alves Fernandes,Willy Pedro Vasconcellos Prellwitz
Vértices , 2011,
Abstract: This study aimed to compare the profitability of no-tillage sugarcane production versus conventional systems in Campos dos Goytacazes - RJ. Parameters as the Net Present Value (NPV) and the Internal Rate of Return (IRR) were used. The sugarcane grown in the no-tillage system showed a positive NPV up to discount rates of 7% and 6% by the conventional system, being the IRR equal to 7.93 and 6.84% respectively. It can be concluded that sugarcane produced in the no-tillage system generated better economic results than that cultivated with conventional tillage. Este trabalho teve como objetivo comparar a rentabilidade da produ o de cana-de-a úcar em sistema de plantio direto versus o convencional em Campos dos Goytacazes – RJ. Utilizou-se como parametros o Valor Presente Líquido (VPL) e a Taxa Interna de Retorno (TIR). A cana-de-a úcar, cultivada em sistema de plantio direto, apresentou um VPL positivo até a taxa de desconto de 7% e, em sistema convencional, até 6%, sendo as TIRs iguais a 7,93 e 6,84%, respectivamente. Pode-se concluir que a cana-de-a úcar em sistema de plantio direto apresentou melhores resultados econ micos do que cultivada com o preparo convencional do solo.
Os valores organizacionais e a Síndrome de Burnout: dois momentos em uma maternidade pública
Borges, Livia de Oliveira;Argolo, Jo?o Carlos Tenório;Baker, Maria Christina Santos;
Psicologia: Reflex?o e Crítica , 2006, DOI: 10.1590/S0102-79722006000100006
Abstract: previous studies have shown that the association between the incidence of burnout syndrome and organizational values (values attributed by employees to organizations on ideal and real levels). in this context, in 2003, a research at a public day-care center was developed, replicating a previous one accomplished in 2000, with the objective to compare the results. the inventory of organizational values and the maslasch burnout inventory were applied with the samples of 48 health professionals. interviews were applied too. the results indicate that a reduction of differences between ideal and real levels of organizational values occur, notably in the equalitarian pole. these results associate to changes on organizational management. levels of burnout were stable among health professionals. the association between organizational values of the day-care center and burnout syndrome change, but it is refuted by the tension from issues concerning the increase of workload and wages.
Organizational values and Burnout Syndrome: two moments in a public day-care center / Os valores organizacionais e a Síndrome de Burnout: dois momentos em uma maternidade pública
Livia de Oliveira Borges,Jo?o Carlos Tenório Argolo,Maria Christina Santos Baker
Psicologia: Reflex?o e Crítica , 2006,
Abstract: Previous studies have shown that the association between the incidence of Burnout Syndrome and organizational values (values attributed by employees to organizations on ideal and real levels). In this context, in 2003, a research at a public day-care center was developed, replicating a previous one accomplished in 2000, with the objective to compare the results. The Inventory of Organizational Values and the Maslasch Burnout Inventory were applied with the samples of 48 health professionals. Interviews were applied too. The results indicate that a reduction of differences between ideal and real levels of organizational values occur, notably in the equalitarian pole. These results associate to changes on organizational management. Levels of burnout were stable among health professionals. The association between organizational values of the day-care center and Burnout Syndrome change, but it is refuted by the tension from issues concerning the increase of workload and wages.
Processos implícitos, contextuais e multimodais na constru??o referencial em conversa??es entre afásicos e n?o afásicos: relato de pesquisa
Morato, Edwiges Maria;Bentes, Anna Christina;Tubero, Ana Lucia;Macedo, Heloísa de Oliveira;Cazelato, Sandra de Oliveira;Mira, Caio César Costa Ribeiro;Martins, Erik Fernando Miletta;
Linguagem em (Dis)curso , 2012, DOI: 10.1590/S1518-76322012000300004
Abstract: the present research focuses on the emergence of implicit processes - inferential, contextual and multimodal - in the development of referential and interactional practices between non-aphasic and aphasic individuals who participate in the aphasic center. the research corpus was extracted from our data-collection aphasiacervus. we have observed that interactants - non-aphasic and aphasic - seek to construct reference through strategic and emergent actions (hanks, 2008) associated to language structures and to other co-occurring semiotic resources. in doing so, the interactants illustrate in an exemplar way the sociocognitive nature of reference construction not impeded by metalinguistic disorder characteristic of aphasia.
Obesidade e testes de fun o pulmonar em crian as e adolescentes: uma revis o sistemática Obesidad y pruebas de función pulmonar en ni os: una revisión sistemática Obesity and pulmonary function tests in children and adolescents: a systematic review
Luís Henrique S. Tenório,Amilton da Cruz Santos,Adriana Sarmento de Oliveira,Anna Myrna J. de Lima
Revista Paulista de Pediatria , 2012, DOI: 10.1590/s0103-05822012000300018
Abstract: OBJETIVO: Realizar uma revis o sistemática sobre os estudos observacionais que analisaram a rela o entre os parametros espirométricos e a obesidade em crian as e adolescentes. FONTES DE DADOS: Os dados foram selecionados sem restri o de idioma, utilizando-se as bases de dados PubMed/Medline, Scopus, Lilacs e SciELO, sem data inicial até dezembro de 2010. Os descritores foram extraídos do Medical Subject Headings e incluíram "respiratory function tests" e "childhood obesity". SINTESE DOS DADOS: Por meio da estratégia de busca, 89 artigos foram encontrados, dos quais apenas cinco foram selecionados. Foram incluídos estudos observacionais com descri o dos parametros espirométricos e do índice de massa corpórea, sendo excluídos estudos com outros métodos de avalia o da fun o pulmonar, popula o n o exclusiva de crian as/adolescentes e presen a de comorbidades associadas à obesidade. Para avalia o da qualidade dos estudos utilizou-se a escala para estudos observacionais da Agency for Healthcare Research and Quality. Os estudos avaliaram a capacidade vital for ada e o volume expiratório for ado no primeiro segundo. Quatros artigos avaliaram também o fluxo expiratório for ado entre 25 e 75%, aquele em 50%, o pico de fluxo expiratório e a rela o entre o volume expiratório for ado no primeiro segundo e a capacidade vital for ada. CONCLUS ES: Os artigos mostram evidências significativas de associa o entre a diminui o dos valores de capacidade vital for ada e volume expiratório for ado no primeiro segundo com a obesidade em crian as e adolescentes. OBJETIVO: Realizar una revisión sistemática sobre los estudios observacionales que analizaron la relación entre los parámetros espirométricos y la obesidad en ni os y adolescentes. FUENTES DE DATOS: Los datos fueron seleccionados sin restricción de idioma, utilizándose las bases de datos PubMed/Medline, Scopus, Lilacs y Scielo, sin fecha inicial hasta diciembre de 2010. Los descriptores fueron extraídos del Medical Subject Headlings e incluyeron respiratory function tests y childhood obesity . SíNTESIS DE LOS DATOS: Por medio de la estrategia de búsqueda, se encontraron 89 artículos, de los que solamente cinco fueron seleccionados. Se incluyeron estudios observacionales con descripción de los parámetros espirométricos y del índice de masa corporal, siendo excluidos estudios con otros métodos de evaluación de la función pulmonar, población no exclusiva de ni os/adolescentes y presencia de comorbidades asociadas a la obesidad. Para evaluación de la calidad de los estudios, se utilizó la escala para estudios obs
Nutritional properties of cherry tomatoes harvested at different times and grown in an organic cropping
Pinho, Lucinéia de;Almeida, Anna Christina;Costa, Candido A;Paes, Maria Cristina D;Glória, Maria Beatriz A;Souza, Rogério Marcos;
Horticultura Brasileira , 2011, DOI: 10.1590/S0102-05362011000200012
Abstract: the physicochemical characteristics of the cherry tomato cultivated in organic and conventional production systems and harvested at either 30 or 45 days of cropping were evaluated using a randomized, 2x2 factorial design (2 cropping systems x 2 harvesting times) with five repetitions. the parameters analyzed were color, centesimal composition, total energetic value, carotenoids and bioactive amine content. tomatoes harvested at 30 days had higher total soluble solid (tss) content when grown conventionally, but when harvested at 45 days, both conventional and organic tomatoes had similar tss values, probably due to increased n availability in the soil. organic cherry tomatoes had higher contents of β-carotene, lycopene and bioactive amine. on the other hand, tomatoes from conventional cropping were more alkaline and brighter. in conclusion, organic tomatoes are more nutritious than conventional varieties, and if allowed to ripen for up to 45 days, contain higher levels of tss, carotenoids and total bioactive amines.
Evaluation of the shear bond strength of the Orthobond composite under different conditions
Matheus Melo Pithon,Rogério Lacerda dos Santos,Marlio Vinícius de Oliveira,Eduardo Franzotti Sant'Anna
RGO : Revista Gaúcha de Odontologia , 2008,
Abstract: Objective: Evaluate the shear bond strength of metal brackets bonded with Orthobond composite (Dental Morelli Ltda, Sorocaba, Brazil) under different enamel surface conditions. Methods: Ninety bovine mandibular permanent incisors were divided into six groups (n = 15). In Group 1 (control) and Group 2 the bonding procedures were performed by using Transbond XT (3M Unitek, Monrovia, USA) and Orthobond (Dental Morelli Ltda, Sorocaba, Brazil) composites,respectively, according to the manufacturer’s recommendations. In the other groups brackets were bonded with Orthobond composite (Dental Morelli Ltda, Sorocaba, Brazil) as follows: Group 3 – dental surface conditioned with Transbond Plus Self-Etching Primer (3M Unitek, Monrovia, USA); Group 4 – bonding procedure without application of Orthoprimer (Dental Morelli Ltda, Sorocaba, Brazil); Group 5 - Eagle Bond applied on saliva/blood-contaminated dental surface; and Group 6 – use of homogenized Orthobond (Dental Morelli Ltda, Sorocaba, Brazil). After bonding the brackets, all the samples were submitted to shear bond strength tests by means of an Emic Universal Testing Machine at a crosshead speed of 0.5 mm/min. The results obtained in mega Pascal (MPa) were submitted to the analysis of variance (ANOVA) and then to the Tukey test. Results: The results in mega Pascal showed statistically significant differences between Groups 1 and 2 (p= 0.041), 1 and 5 (p=0.000) and between 4 and 5 (p=0.016). The ARI (Adhesive Remnant Index) scores showed evidence of a higher number of fractures at the bracket/composite interface. Conclusion: In all tested situations the Orthobond (Dental Morelli Ltda, Sorocaba, Brazil) was shown to be apt for bracket bonding.
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