Fixation

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Fixation

The process of setting a price of a commodity, whether in the present or the future. See: Gold fixing.
References in periodicals archive ?
Baltic Sea nitrogen fixation estimated from the summer increase in upper mixed layer total nitrogen.
The pattern of nitrogen fixation measured in foraminifera matched the historical record of axial precession and the resulting ocean upwelling.
Image 1: Diagram of Direct Nitrogen Fixation on Graphene Nanoplates
2003), inoculation with introduced inoculatn rhizobial strains does not always lead to an abundant effective nodulation to secure high rates of nitrogen fixation and seed production (Graham 1981; Graham et al.
School textbooks may feature bean plants in the diagram of nitrogen fixation, but the Frankia genus of bacteria evoke nodules in un-beanish plants, such as alder trees and bayberries.
Data was compiled from the published literature about the current global food supply, comparative yields between organic and non-organic production methods, and biological nitrogen fixation by leguminous crops.
We tested 18 flowering plants and 1 Bryophyte inhabiting peatlands in this region of the United States for potential rhizosphere nitrogen fixation using the acetylene reduction technique.
But the studies analyzed in this paper revealed that this process, called nitrogen fixation, cannot keep up with increasing carbon dioxide unless other essential nutrients, such as potassium, phosphorus, and molybdenum, are added as fertilizers.
However, Hungate found that this process, called nitrogen fixation, cannot keep up with increasing C[O.
Biological nitrogen fixation is an important nitrogen source due to the fact that it requires less energy and causes less environmental pollution.
In the eyes of chemists, the conversion of nitrogen to ammonia in water, using simple hydrogen at room temperature and pressure, is the `holy grail' of nitrogen fixation,' Tyler said in a statement announcing the discovery.