Sentences with phrase «coal samples from»

Lesson plans, coloring books, free coal samples from the American Coal Foundation — minus any substantive discussion, let alone mention of climate change.

Doughty gathered coal samples from mines throughout the U.S.. By measuring the coal elemental concentrations, he found elements needed by plants, like phosphorus, were more abundant and much better distributed during the era of the dinosaurs than the Carboniferous.

Not exact matches

The Virginia Tech team sought out coal - ash samples from states including Virginia and Illinois, and from as far away as China.

A team of scientists and Ph.D's, known as the Rate Group, gathered fossilized wood samples (some specimens previously aged at 250 million years) and coal, from the Department of Energy Coal Sample Bcoal, from the Department of Energy Coal Sample BCoal Sample Bank.

The team was able to derive new emissions factors based on data from Chinese government programs that analyzed nearly 5000 coal samples taken throughout the country.

Scientists at the University of Edinburgh and the Scottish Universities Environmental Research Centre sampled deep methane gas from an exploratory coal bed methane field in central Scotland and disused coal mines in central England.

A third round of tests on water and sediment samples collected in lakes and rivers downstream from coal ash ponds in North Carolina yielded further confirmation.

The tracers clearly showed that the fingerprints of boron and strontium in these samples matched the unique composition of coal ash and were different from those in samples from lakes and rivers unaffected by coal ash contamination.

Analysis of samples from the outcrop convinced the researchers that the «coal» was in fact a fossilized oil seep dating to the late Paleocene / early Eocene.

Her samples come from coal mines in many parts of the world; much of the recent work has been done in the Donets Basin, in the Ukraine.

Makayla Urias, 8, from Pike County, Kentucky holds contaminated water samples taken from her home which is surrounded by mountaintop removal coal mining.

Results of tests conducted by Greenpeace in 2005 from ash samples taken from the Naga and Toledo coal - fired power plants in Cebu revealed the insidious presence of mercury, which is a deadly neurotoxin; arsenic, which is a known carcinogen; as well as other hazardous substances such as lead and chromium.

The (arithmetic) average emission factors obtained from the individual samples (assuming complete combustion)(Table FE4)(10) confirm the long - recognized finding that anthracite emits the largest amount of carbon dioxide per million Btu, followed by lignite, subbituminous coal, and bituminous coal.

From the more than 60,000 coal samples in the File, 5,426 were identified as containing data on heat value and the ultimate analysis (6) needed for developing the relationship between carbon and heat content of the coal, that is, the carbon dioxide emission factors.