902 resultados para Present and future effects
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Cover title: Governor Robert's Texas.
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Mode of access: Internet.
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"October, 1980."
The liquid metal fast breeder reactor programm, past, present, and future : report to the Congress /
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"RED-75-352."
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Mode of access: Internet.
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Pineapple is an important crop for many countries in Central and South America as well as the Asia-Pacific region. Even though the history of the crop dates to pre-Colombian times there is a remarkable lack of commercial varieties with a single cultivar ‘Smooth Cayenne’ dominating the whole industry. Variety improvement is a very difficult task for pineapple breeders and very little progress has been made in this respect when compared to other crops more suitable to classical breeding approaches. This special characteristic makes pineapple specially suited for genetic engineering approaches that can transfer specific traits from other species into pineapple. In this presentation past and present efforts to use biotechnological methods for the improvement of pineapple will be reviewed. On-going biotechnology projects include control of flowering and control of ‘blackheart’ disease. The development of pineapple biotechnology, as with any other crop, is dependent on the availability of a number of molecular tools, which will also be discussed. For pineapple, these tools can be roughly classified into three different categories: (1) availability of useful genes (2) availability of suitable promoters and (3) availability of an efficient transformation method.
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Recently, we have seen an explosion of interest in ontologies as artifacts to represent human knowledge and as critical components in knowledge management, the semantic Web, business-to-business applications, and several other application areas. Various research communities commonly assume that ontologies are the appropriate modeling structure for representing knowledge. However, little discussion has occurred regarding the actual range of knowledge an ontology can successfully represent.
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Purpose - To introduce the contents of the special issue, and provide an integrative overview of the development of observational methodologies in marketing research, as well as some directions for the future. Design/methodology/approach - A historical review of the development of observational methods, beginning with philosophical foundations, is provided. Key philosophical debates are summarized, and trends in observational methods are described and analyzed, with particular reference to the impact of technology. Following this, the contributions to the special issue are summarized and brought together. Findings - Observational research in marketing is more than the well-known method of "participant-observation." In fact, technology has the potential to revolutionize observational research, and move it beyond a solely "qualitative" method. The internet, video, scanner-tracking, and neuroimaging methods are all likely to have a big impact on the development of traditional and innovative observation methods in the future. The articles in the special issue provide a good overview of these developments. Research limitations/implications - The views of the authors may differ from those of others. Practical implications - Observation is a far more wide-ranging strategy than many perceive. There is a need for more expertise in all types of observational methodologies within marketing research schools and departments, in order to take account of the vast opportunities which are currently emerging. Originality/value - Provides an original perspective on observational methods, and serves as a useful overview of trends and developments in the field.