As blades grow larger, the amount of reinforcement increases in a logarithmic progression. For a 1.5-MW turbine, typical blades should measure 110 ft to 124 ft (34m to 38m) in length, weigh 11,500 lb/5,216 kg and cost roughly $100,000 to $125,000 each.
RSS Feeds. Nitrogen (N 2) is the most abundant gas in Earth's atmosphere, including the troposphere. This cartoon also depicts several other tropospheric gases, including oxygen (O 2), carbon dioxide (CO 2), water vapor (H 2 O), methane (CH 4), sulfur dioxide (SO 2), and carbon monoxide (CO). Click on image for full size.
The gas that shows the most variation from place to place and from time to time in the lower atmosphere is: water vapor (H2O) The only substance near the earth's surface that is found naturally in the atmosphere as a solid, liquid, and a gas is: water The most abundant greenhouse gas in the earth's atmosphere is: