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已读[72] 发布: 2013/05/07 18:40:07
Azomining Mereiterite is a monoclinic-prismatic pale yellow mineral containing sulfur , potassium, oxygen, iron and hydrogen. It is a member of the leonite group. The mineral was first discovered in the D-level of the Hilarion adit, Agios Konstadinos ... and more »
已读[77] 发布: 2013/05/07 18:40:06
The Seattle Times In January, the state will become the first government body in the world to require container fleets docking at its major ports to shut off their diesel engines and use electricity for 50 percent of their visits — or face crippling fines. The ... and more »
已读[65] 发布: 2013/05/07 18:39:57
Azomining The measurements of heavier elements Fe, Ti and Ca were also performed to offset their impact on the sulfur reading, thus providing corrections for variations in matrix effects among samples and coal types. To measure two or more different coal types, ... and more »
已读[64] 发布: 2013/05/07 18:39:55
The Province This will be the first full cruise season in Alaska under rules that require cargo carriers and cruise ships to use a low- sulfur fuel within 320 kilometre...
已读[86] 发布: 2013/05/07 17:49:54
The Week Magazine Per unit of electricity, coal produces more pollution than any other fuel source, according to the U.S. Environmental Protection Agency. Not only does it pollute the air with carbon dioxide, mercury compounds , sulfur dioxide, and nitrogen oxides, but ...
已读[172] 发布: 2013/05/07 15:39:00
AltEnergyMag (press release) A more recent method known as "colloidal synthesis" -- preparing the crystals as a suspension or "colloid" in a liquid by heating the ingredients in a large flask -- reduced preparation time to 45 to 90 minutes. Sarswat decided to try microwave ...
已读[69] 发布: 2013/05/03 17:51:15
Sacramento Bee "By 2015, we expect to reduce our regulated generation fleet's emissions of sulfur dioxide and nitrogen oxides by about 90 percent and 80 percent, respectively, from 2005 levels," Rogers said. "We're retiring 3,800 megawatts of older coal- and oil ... and more »
已读[67] 发布: 2013/05/03 17:51:14
The Seattle Times This will be the first full cruise season in Alaska under rules that require cargo carriers and cruise ships to use a low- sulfur fuel within 200 miles of U.S. and Canadian shores. The U.S. agreed to ... Cruise ships must use the more expensive fuel for ...
已读[71] 发布: 2013/05/03 17:51:13
77Square.com The system is expected to cut sulfur dioxide emissions -- a key ingredient in smog -- by 90 percent and to reduce particulate pollution. Particulate, or ...
已读[65] 发布: 2013/05/03 17:51:11
LiveScience.com Iron ore oxidizes, or rusts, when it comes in contact with oxygen. CREDIT: Denis Selivanov | Shutterstock ... Varying amounts of sulfur , silicon, manganese and phosphorus make up an alloy called pig iron. Pig iron also contains about 3 percent carbon.
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