Article: Argentina : Neuquen opens Chihuido economic offers.

Article: An analytical tool for understanding the properties and behaviour ...
Australian Journal of Soil Research;  March 1, 2007 ;     700+ words ... ... affecting soil water characteristics. Variable charge materials (organic matter, oxides ... fully appreciate the significance of variable charge, a simple method of collating surface ... estimation of the amounts of permanent and variable charge, the influence of components such ...

Article: Effect of arsenate on adsorption of Zn(II) by three ...
Australian Journal of Soil Research;  September 1, 2007 ;     700+ words ... ... concomitant changes in surface charge of variable charge soils; the second was that the adsorbed ... regions are widely distributed with variable charge soils. These soils usually carry ... also exist simultaneously in these variable charge soils. For example, the presence ...

Article: Phosphate adsorption at variable charge soil/water ...
Australian Journal of Soil Research;  August 1, 2009 ;     700+ words ... ... There are large areas of acidic, variable charge soils distributed in tropical and ... intensive weathering and leaching, variable charge soils, enriched with Fe/Al oxides ... adsorption of phosphate on the surfaces of variable charge soils and minerals generally increases ...

Article: The effect of ionic strength variation and anion competition on ...
Australian Journal of Soil Research;  January 1, 2005 ;     700+ words ... ... positive charge sites on the surface of variable charge minerals present in the soil profiles ... positive surface charge density of the variable charge minerals, in accordance with the ... containing substantial quantities of variable charge minerals at the surface, although ...

Article: CHARLOTTE, N.C.: CMS Adapts To Rising Construction ...
Targeted News Service;  February 16, 2007 ;     700+ words ... ... effective materials to cope with rising construction costs. Construction costs have been driven up primarily because of ... petroleum prices. "The easiest way to reduce construction costs is to build less square footage," said ...

Article: Cutting Wages and Benefits Does Not Lower Construction ...
PR Newswire;  July 29, 1999 ;     700+ words ... ... 1997, A New Study Shows that School Construction Costs Did Not Decline HARRISBURG, Pa ... wages and benefits and you'll lower construction costs -- that, at least, was the premise ... and benefits do not lead to lower construction costs. The Keystone study (Do Lower Prevailing ...

Article: Smaller, but continued cost increases for new labs: in their ...
R & D;  May 1, 2003 ;     700+ words ... ... sectors over the past two years, construction costs of new and renovated R&D ... expects to see R&D facility construction costs rise from 2% to 4% over their 2002 ... Other factors that may influence construction costs include the lingering uncertainty ...