Evaluation of new building technology

Article Abstract:

A new method to evaluate the appropriateness of new technology in buildings has several inconsistencies. The method scores technology through a simple multiattribute utility. This would require attributes that are mutually and preferentially independent. It uses time as factor in the appraisal of technology. The assessment should be not be done on a building's present qualities. The method depends on separate building technologies. Technology can be evaluated at any level, as in the case of lighting systems, where single lamps or the overall lighting system could be examined.

Methods, Technology assessment

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Evaluation of bioaccumulation factors in regulating metals

Article Abstract:

Several bioaccumulation factors are needed in order to establish the hazard posed by excess bioavailable metals in organisms. In a study of the bioaccumulation of essential metals in aquatic animals such as mussels and snails, it was shown that uptake of essential metals such as zinc varies in different species. Environmental conditions, exposure time and the species' toxicological response to the metal were found to determine the effects of zinc on organism health.

Research, Physiological aspects, Zinc, Zinc (Metal), Bioaccumulation, Aquatic animals

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Metal building systems: a new look

Article Abstract:

Pre-engineered metal building systems are increasingly becoming attractive to engineers and architects who previously looked down on them due to their humble beginnings. Technological advances, however, have resulted in their growing use for churches, schools, shopping centers and offices. As pre-engineered metal building systems gain acceptance, engineers should have to work closely with the manufacturers' engineers to understand how the structures work.

Practice, Engineers

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