The occurrence of deoxynivalenol (DON) was evaluated in 113 wheat samples from the northern and central/ southwestern regions of Paraná State, Brazil during the 2008 and 2009 growing seasons, and this rate of occurrence was used to estimate the DON…

The anthropogenic dark earths (ADE, Terra Preta de Índio or terra preta arqueológica, as are often referred to in Portuguese) feature unique properties that are interesting not only from a pedological point of view but have important agronomic and economic…

2009, Resumo.

This study aimed to investigate meanings produced by workers excluded from the industrial job market regarding unemployment, having focused on the understanding of the socially articulated relationship between industrial and labor restructuring, meanings of unemployment and subjectivity. We grounded
our…

Most neural network learning algorithms cannot use knowledge other than what is provided in the training data. Initialized using random weights, they cannot use prior knowledge such as knowledge stored in previously trained networks. This manuscript thesis addresses this problem.…

The combination of soil science, forestry, agronomy and biology allowed an analytical comparison of various experimental mixed culture systems. From these studies, a descriptor system was developed which allows to understand the contribution of each plant species to nutrient cycling,…

Cultural resources like traditional medicinal knowledge need to be recognized in their role tied to important regional practices in Zimbabwe. This is especially as a nexus of legal definitions for biological, intellectual and cultural resources will inform a National Sui…

This dissertation addresses the issues pertaining to composite products (CPs). CPs are defined as products formed by combining knowledge from two distinct domains, for example, digital cameras, which combine knowledge from digital products and cameras. The three research questions addressed…

This thesis is a theoretical and practical investigation of the role played by informal learning and teaching in the development of identity and applied knowledge. With the advent of mass schooling, there came to be a distinction between formal and…

Searching for information pervades a wide spectrum of human activity, including learning and problem solving. With recent changes in the amount of information available and the variety of means of retrieval, there is even more need to understand why some…