When I first started reading Ms. Le Guin's novel, I was struck by the presence in it of what I then recognized as elements from Eastern philosophy and thought, in particular Taoism. Long before mention is made of the yin-yang…

Los estudios en biotecnología canina están menos desarrollados que en otras especies. Las gametas y la reproducción canina en general tienen características únicas comparadas con las de otros mamíferos lo que hace que la extrapolación de otras especies sea dificultosa.…

O conhecimento da variabilidade espacial dos atributos do solo que influenciam na produtividade agrícola é fundamental para a implantação da agricultura de precisão. Se o comportamento desses atributos apresentar dependência espacial, recomendase o emprego da geoestatística na descrição de sua…

It has been suggested there is a knowledge base that surrounds the use of 3D modeling within the engineering design process and correspondingly within engineering design graphics education. While solid modeling receives a great deal of attention and discussion relative…

Índice/Index




Editorial



Economía/Economy


Ambiente, equidad y desarrollo. ¿Utopia o realidad?.
Environment, equity and development. ¿Utopia or reality?.

Pérez Nácar, Efrén



>Educación/Education

Recently, many individuals have been faced with a transfer of learning issue, surrounding the move from one 3-D CAD system to another.  The purpose of this research was to test the hypothesis that, with minimal instruction, users can transfer their…

Data quality issues have taken on increasing importance in recent years. In our research, we have discovered that many “data quality” problems are actually “data misinterpretation” problems – that is, problems with data semantics. In this paper, we first illustrate…

Engineering and technical graphics professionals have seen major changes in the content and the way we teach our students (Clark & Scales, 2000).  Today, professionals going into fields related to engineering/technical graphics require a broader knowledge of differing forms of…

ROI (Region of Interest) in an image or video signal contains important information and may be used for access control at various qualities using multiresolution analysis (MRA). This paper proposes quality access control method of compressed color image by modulating…

Spatial ability research has been approached from several psychological vantages since its beginnings in the late 1800s. This contribution attempts a summation of spatial ability research, beginning with a historical vignette and a major section on each psychological approach including…