Patogenicidade de Alternaria helianthi (Hansf.) e Alternaria zinniae (Pape) ao girassol a partir de sementes

Extração e Validação de Ontologias a partir de Recursos Digitais

This paper aims at presenting a methodology for semi-automatic validation of an wide-coverage ontology based on an existing electronic resource, PAPEL. From the existing relations, we choose those of synonymy and hypernymy to generate the ontology. The resulting output was converted to OWL format e manually validated by a lexicographer. As result, we have a wide-coverage ontological resource th...

Colheita, beneficiamento e controle de qualidade de sementes de nabo forrageiro

The oil radish siliques maturation occurs in a non-uniform way, which makes it difficult to define the ideal harvesting time in order to produce high quality seeds. In addition, the high lipid content of the seed may hamper its preservation. To evaluate the effect of the maturation stage at harvesting on the physiological quality and chemical composition of the oil radish seeds stored under dif...

Extraction de la toxine de Clostridium chauvoei a partir des corps microibens

Teste De Tetrazólio Em Sementes De Abobrinha

The objective of this research was to develop an appropriate tetrazolium methodology for viability and vigor evaluation of squash seeds. The following procedures were tested for preconditioning of the seeds: moistening in wet paper towel for 16 to 24h at 25°C; immersion in water for 15, 30 and 60 minutes at 40°C for tegument removal, and for 30 and 60 minutes for removal of the embryo surroundi...

Organização E Processamento De Informação No Córtex a Partir De Agrupamentos Sucessivos De Padrões

of Dissertation presented to COPPE/UFRJ as a partial fulfillment of the requirements for the degree of Master of Science (M.Sc.) ORGANIZATION AND INFORMATION PROCESSING IN THE CORTEX BY MEANS OF SUCCESSIVE CLUSTERING OF PATTERNS