181 research outputs found
U.S. Drought Monitor, March 10, 2015
Drought map of U.S. for March 10, 2015 (3/10/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat
U.S. Drought Monitor, October 9, 2012
Drought map of U.S. for October 9, 2012 (10/9/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat
U.S. Drought Monitor, October 16, 2012
Drought map of U.S. for October 16, 2012 (10/16/12) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat
U.S. Drought Monitor, March 5, 2013
Drought map of U.S. for March 5, 2013 (3/5/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat
U.S. Drought Monitor, December 24, 2013
Drought map of U.S. for December 24, 2013 (12/24/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat
Co-Oxidative Depolymerization of Coal
In contrast to current coal conversion technology, cooxidative depolymerization of coal is a novel approach to coal liquefaction in that the reactions are carried out under relatively mild conditions. This free radical process utilizes air or oxygen and a suitable co-oxidant (solvent) which acts as a radical and hydrogen transfer agent throughout the coal matrix. Ideally, co-oxidation would lead to the formation of hydroperoxide groups at the reactive bridging sites in the coal matrix, which upon decomposition would lead to C-C bond scission.
The effects of several variables on co-oxidation and subsequent post-treatment were investigated. Up to 49% conversion to DMF soluble products was achieved. Further enhancement of solubility is believed to be limited by the failure of hydroperoxide decomposition to lead to C-C bond scission
U.S. Drought Monitor, July 9, 2013
Drought map of U.S. for July 9, 2013 (7/9/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat
U.S. Drought Monitor, June 10, 2014
Drought map of U.S. for June 10, 2014 (6/10/14) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat
U.S. Drought Monitor, December 31, 2013
Drought map of U.S. for December 31, 2013 (12/31/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat
U.S. Drought Monitor, December 31, 2013
Drought map of U.S. for December 31, 2013 (12/31/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat
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