Tag: "tons" at biology news
Researchers Use Hydrated Lime To Reduce Toxic Selenium Emissions
...amage to the liver, kidneys and lungs. About 2,500 tons
of selenium are discharged into the atmosphereeach year in the United States alone. Regulations being proposedby the Environmental Protection Agency will seek to control emissionsof selenium and other metals found in fly ash and flue gas, saidLiang-S...
Core Spins Faster Than Earth, Scientists Find
...r core is about one hundred millionmillion million tons
-- which is about 30 per cent greater thanthe mass of the moon....
Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater
...ne (TCE). In the 1980s, Americans used 150 million tons
of TCE annually to dryclean their clothes and to degrease aircraft and automobile engines. Now it is one of the most widespread and difficult to treat groundwater contaminants in the country. The researchers -- working at Edwards Air Force Base in So...
Purdue-Made Soil Benefits The Environment
...eclaim the areas they mine." In May, more than 600 tons
of the Purdue-made soil were shipped to the Chinoo...scale pilot program, which has yielded about 1,000 tons
of material in addition to the 600-plus tons
now at the Chinook Mines. Purdue and Eli Lilly are deve...
Penn State Researchers Study Used Mushroom Compost
...ommercial button mushrooms, uses more than 500,000 tons
of compost each year.The growth medium is composed of a mixture of straw, hay, and horse and othermanures, and is composted before use. "The compost is used for about two months and then discarded," says Dr.Patrick G. Hatcher, director of Pe...
New, Environmentally Friendly Technique For Separating Liquids Invented At UNC-CH
...s in thetextile industry, which releases countless tons
of waste water into theenvironment every year. "This work opens the door to using environmentally friendly solvents inthis very solvent-intensive process," DeSimone said. "We are very excited aboutthe possibilities." In an accompanyi...
Environmental Engineers Demonstrate Effective Method For Trapping Highway Pollutants
...the toxic pollutants for disposal, you wind upwith tons
of toxic waste. Lab-scale experiments indicate the back-washing process isfeasible. However, field t...
Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...ch, a deep-sea location where pressures reach many tons
per square inch. How does one study the ancient climate of Mars? James Kasting of Pennsylvania State University hopes to look back through time and see what the paleoclimate on Mars was like. Early Mars appears to have had a warm and wet climate...
Max-Planck Researchers Unravel The Structure Of The Methane Forming Enzyme
...x organic materials thereby producing about 109 tons
of methane per year. The generated methane is either remetabolized by methanotrophic bacteria or escapes to the atmosphere as a potent greenhouse gas. All methanogens are dependent on the enzyme methyl-CoM reductase, a protein complex of ...
UMass Researchers Announce Birth Of Genetically Modified Cloned Calves
... volume in blood vessels. Approximately 440 metric tons
of plasma-derived albumin are used annually worldwide. Combining cloning and transgenics to produce recombinant human albumin may provide a safe and more cost-effective substitute for the plasma-derived product. An individual cloned transgenic dairy ...
$2 Million Dollar Grant Funds Salton Sea Web Site
... the ocean, and saltcontent increases by 4 million tons
a year. A consortium of water districts and government agencies known as the Salton SeaAuthority is exploring various solutions, including building a system of dikesand evaporation pools, a desalination treatment plant or water-pumping systems.All th...
Composting Livestock Waste Provides Benefits
... is made up of 400 animals that produce about nine tons
of manure solids a day. When the composting site is at capacity, there is room for 13 rows of composting material. Each row is approximately five feet high, 10 feet wide and 250 feet long. The rows are turned using a specialized windrow turner. The s...
Spinach Enzymes Neutralize Explosives
...costeffectiveand secure manner, its nearly 500,000 tons
of explosives stockpiled around the country. "The primary risk of storing explosives at any site is explosions because they createpanic,can cause injury and are a trigger to releasing biological and chemical agents storednearby,"said Dr. Manish M. Sh...
After The Wine Is Made, The Rest Of The Grape May Be Good For You
...coronary heart disease, Meyer says. Over 4 million tons
of grape pomace are produced annually, but it is currentlyused as a cattle feed, a soil conditioner, or sent to a landfill. Meyersuggests that her work may be useful in the commercial exploitation of grapepomace for production of antioxidant concent...
Waste Asphalt Doesn't Pollute Groundwater, UF Researchers Say
...surfacing generates between 750,000 and 1 million tons
ofthe material each year, with most of it recycled into hot asphalt mix andreapplied to roads or highways, said Gale Page, state flexible pavementmaterials engineer for the Florida Department of Transportation. Workers build up piles of the o...
Environmental Testimony: Taiwan Mega-Complex Threatens Endangered Spoonbills And
Efforts To Cut Greenhouse Gases, UD Prof Says
...t because the project would "add nearly 28 million tons
ofcarbon to the national annual releases"-an increase of 25 percent over 1990levels. Moreover, SAVE members testified that construction of two dams needed to supplythe petrochemical complex with water would flood two aboriginal villagesdisplacing tho...
Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations
...f atomeconomy: one ton of product requires five-50 tons
of raw materials forspecialty chemicals and 25-100 tons
for pharmaceuticals. Such reactionsgenerate significant amounts of byproducts for expensive treatmen...
Minuscule Ocean Plants Help Stabilize Earth's Atmosphere, Climate
...rbon dioxide toform a staggering 45 billion metric tons
of organic carbon per year. And anestimated 16 billion of those metric tons
find their way to the deep ocean,where they can remain for long periods. Such a large carbon...
Open-Air Experiment Shows High CO2 Boosts Tree Growth
... combustion around 2050 is about 15 billion metric tons
a year."The enhanced growth seen in this forest, if applied globally, would take upabout 20 percent of that fossil fuel release," he estimated. "There are a lot of reasons why that 20 percent number is pushing theenvelope," he cautioned. "It ...
Alaska Scientists Say Salmon Declines Inevitable
... ocean is changing. Bowhead whales eat millions of tons
of plankton every year, the energy from which is converted to carbon in the whale's baleen. His measurements of plankton carbon in whale baleen indicates that plankton abundance in the Bering Sea has declined significantly during the last 50 years. ...
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