DEFINITIONS OF UNIT SYMBOLS Btu: British thermal unit °C: degrees Celsius Ci: curie (unit of radioactivity) cm: centimeter d: day dB: decibel dBa: decibel, adjusted °F: degrees Fahrenheit g: gram GHz: gigahertz (10$ cycles per second) GW: gigawatt (10$ watts) h: hour J: joule kg: kilogram (10^ grams) kJ: kilojoule km: kilometer kV: kilovolt kW: kilowatt kWh: k i1owa t t-hour L: liter lb: pound m: meter mL: milliliter (10“3 liter) mW: milliwatt MeV: mega electron-volt (10$ electron-volts) MW: megawatt MWe: megawatt (electric energy) MWt: megawatt (thermal energy) MW-yr: megawatt-year pm: micrometer (10”$ meter) N: newton (unit of force) N/m^: newton per square meter Pa: pascal (unit of pressure: 1 Pa = 1 N/m^) Q: quad (1015 Btu) s: second t: metric ton (1000 kilograms) T: tesla (unit of magnetic force); also English ton W: watt yr: year
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