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corn or sugarcane and biodiesel made from soybeans, may represent a means for the United States to reduce dependence on imported oil and cut greenhouse gas emissions. (Barrett: 11) In his 2007 State of the Union Address, President George W....
a system may not operate continuously during a system's mission, or may be subjected to loads greater or lesser than the rated loads during system operation. To model this, a factor called the Duty Cycle (dc) is used. The duty cycle may al...
to assess the extent and reproducibility of time to exhaustion (time limit) to maximal aerobic speed (MAS), which seeks minimum speed V ? O2 termmax.next previous term relationships between time limit at VMA and other criteria of aerobic f...
this way are called ‘biological indicators.’ An organism that is commonly used to monitor aquatic ecosystems is an algal species called Pseudokirchneriella subcapitata. Answer 2 There is great concern about the damaging effects of acid pre...
streams and in the shallow upper reaches of reservoirs, but its preferred habitat appears to be large, clear, free-flowing creeks or rivers. It inhabits areas with large flat rocks, moderately sandy bottoms and vegetated shallows, with alte...
nitrites are out of them. Furthermore, turbidity and nitrate concentrations peak during heavy rain episodes. An increase of nitrates in water is often associated with farming fertilizer, pesticide or poor sanitary activities. The WHO guidel...
molecules and atoms is described by quantum mechanics; classical (Newtonian) mechanics cannot be used because the de Broglie wavelengths (?=h/mv) of the electrons are comparable with molecular (and atomic) dimensions. The relevant quantum-...