Structure-based classification of chemicals based on the presence of specific functional groups is among the most well-developed areas of ontology-supported chemical classification.
An example of a model-based system for design of chemicals based formulated products is also given.
ChEBI provides a classification of chemicals based on their structural features and a role or activity-based classification.
It heralds a new generation of renewable fuels and chemicals, based on one of humankind's earliest uses of biotechnology.
This spectrometer assays minerals and other chemicals based on what they absorb from incident sunlight.
The appetite for green technology for instance, with some of the biggest polluters in terms of power stations, cement works and chemicals based in the region.
Environmentalists also criticized the rules for setting limits on certain chemicals based on what most laboratories can detect rather than health limits.
For instance, Nova Chemicals, based in Calgary, Alberta, is spending $3 million to install a system that will let it buy many of its supplies online.
Chemfab, a maker of specialty chemicals, based in Merrimack, N.H., had sales of $125 million in the year ended June 30.
Ms. Varis, a leading figure in the generic-drug industry, was the founder and longtime chief executive of Agvar Chemicals, based in Little Falls, N.J.
Last month, for example, Solvay, a big Belgian chemical-industrial corporation announced that it would pay $4.8 billion to acquire Rhodia of France, a technological leader in making complex chemicals based on rare earths.
