A handful of biochemical processes occur in aquatic environments. One of the problems that are mostly encountered in such environments is caused by excess nutrient input and subsequent algal bloom. A series of studies were ...

This document presents the methodology to evaluate cost effectiveness of energy efficiency measures for Puerto Rico, using to the cost effectiveness tests suggested in the document National Action Plan for Energy Efficiency ...

The durability of concrete is influenced by its porous network. The use of fly ash in concrete mixtures produces additional hydration products, changing its micro-structure. As a concrete admixture, fly ash not only improves ...

The use of Context Sensitive Solutions (CSS) for the project development process is to take in consideration the needs and concerns of different stakeholders in various areas, such as: community, environmental, aesthetic, ...

During this investigation the effect on the mechanical properties of Ottawa sand when different percentages of shredded tires added to the sand specimens was studied. In addition, an alternative for recycling shredded tires ...

This study describes the groundwater recharge and pumpage, and surface water distribution through a water balance model for the Salinas to Patillas agricultural area located over the alluvium of the eastern part of the ...