- 行业: Government
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The amount of kinetic energy gained by an electron when accelerated through an electric potential difference of 1 Volt; equivalent to 1.603 x 10^-12; a unit of energy or work; abbreviated as eV.
Industry:Energy
The amount of money needed to purchase equipment, buildings, tools, and other manufactured goods that can be used in production.
Industry:Energy
The amount of money required to secure a specified cash flow at a future date at a specified return.
Industry:Energy
The amount of power a wind turbine can produce at its rated wind speed, e.g., 100 kW at 20 mph. The rated wind speed generally corresponds to the point at which the conversion efficiency is near its maximum. Because of the variability of the wind, the amount of energy a wind turbine actually produces is a function of the capacity factor (e.g., a wind turbine produces 20% to 35% of its rated capacity over a year).
Industry:Energy
The amount of power density in sunlight received at the earth's surface at noon on a clear day (about 1,000 Watts/square meter).
Industry:Energy
The amount of solar energy that passes through a glazing material, expressed as a percentage.
Industry:Energy
The amount of solar radiation striking a surface per unit of time and area.
Industry:Energy
The amount of solar radiation, both direct and diffuse, received at any location.
Industry:Energy
The amount of time required before the savings resulting from your system equal the system cost.
Industry:Energy
