carbon ratio

carbon ratio

[′kär·bən ‚rā·shō]
(geology)
The ratio of fixed carbon to fixed carbon plus volatile hydrocarbons in a coal.
References in periodicals archive ?
Natural gas is more environmentally friendly than oil or coal-based fuels because it has the highest hydrogen to carbon ratio of all hydrocarbons.
However, the ICT sector's greatest impact is likely to be through enabling companies across sectors to drive energy efficiencies and transform working practices, thereby increasing their net income per metric ton of carbon ratio.
The amounts of oil shale and LDPE in co-pyrolysis samples were taken to give the total carbon ratio GOS:LDPE = 1:1.
Members of Krasnopolsky's team have proposed that a spectrometer sensitive enough to detect the slight difference in carbon ratio could be part of a Mars lander laboratory planned for launch in 2009.
5:1 steam to carbon ratio and described the favorable economic implications of reducing this ratio.
Although fossil fuel emissions are reduced or eliminated, the combustion of biomass replaces fossil emissions with its own emissions (which may even be higher per unit of energy because of the lower energy to carbon ratio of biomass).
As living organisms grow, chemical reactions in their cells alter the natural carbon ratio, slightly favoring the light isotope, carbon-12, over the heavier one, carbon-13.
Synthetic hormones have a telltale Carbon 13 to Carbon 12 ratio -- lower than the carbon ratio of an athlete's naturally occurring hormones.
Victor Smetecek of the German Alfred Wegner Institute (AWI) stated in response to some few comments seemingly intent on demeaning or dismissing the utility of plankton blooms at sinking carbon stated, "In our experiment (the largest most intensively studied to date) we observed that the iron to carbon ratio was 1:50,000 and that 50% of that carbon (as sinking plankton remains) reached 1000 meters within 3 weeks of the iron addition.
A distinctive carbon ratio in tooth enamel signifies the presence of savanna grasses and plants in an animal's diet.
Dunton discovered another carbon ratio gradient in zooplankton while working in the Boulder Patch.
As part of the testing process various ratios of magnetite (from the property) and thermal coal (to act as a reductant) were mixed together in order to optimize the iron : carbon ratio and binding characteristics prior to briquetting and reduction.