chemical evolution

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chem·i·cal ev·o·lu·tion

the theory of the process by which life arose from inorganic matter.
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We will also improve existing laboratory setups and combine different techniques to achieve original studies on individual dust grains, their processing to produce complex polycyclic aromatic hydrocarbons, the chemical evolution of grain precursors and how dust grains interact with abundant astronomical molecules.
Chemical evolution and biological degradation of the petroleum/dispersant systems and subsequent interaction with coastal, open-ocean, and deep-water ecosystems.
8220;Until you get down to the microscopic and nanoscopic level to look at the structural and chemical evolution that's happening in the cells—then you can't truly address those issues that come up.
These stars drive the chemical evolution of our galaxy.
3, on a supercomputer of the North-German Supercomputing Alliance and by using the star's abundance patterns, the scientists have performed cosmological simulations which included the dynamics of gas and dark matter as well as the chemical evolution.
Chemical evolution on Earth lead to the formation of complicated crystals, which compose almost the whole of its mantle; however, these are again blind alleys because of the limited variability of their composition and the limited mobility of their components.
Abstract: Symbiotic stars are known to be strongly interacting long period binary systems at the final stages of the stellar evolution which can be very useful tool to understand of the chemical evolution of the Galaxy and formation of the stellar populations.
The 61 papers look at low-z mergers and starbursts, merger dynamics and simulations, mergers in galaxy evolution, merging and active galactic nuclei, high redshift merging and sub-millimeter galaxies, active galactic nuclei/starburst feedbacks, chemical evolution, and results from new surveys.
Colorado: Similar to the Arizona bill, this measure, House Bill 13-1089, would have directed teachers to "create an environment that encourages students to intelligently and respectfully explore scientific questions and learn about scientific evidence related to biological and chemical evolution, global warming, and human cloning.
Broom also criticizes evolution by discussing chemical evolution and origin-of-life science, areas that are only peripherally related to biological evolution.
Dr Jennifer Blank from Nasa's Ames Research Centre in California said: "Comets really would have been the ideal packages for delivering ingredients for the chemical evolution that is thought to have resulted in life.
the chemical evolution of ground water in the Milk River Aquifer, Canada.
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