A measure of electrical energy equivalent to a power consumption of one watt for one hour.
瓦（特小）时（电能单位）
Example sentencesExamples
That means that a AA battery can produce 2.8 amps for an hour at 1.5 volts (about 4.2 watt-hours - a AA battery can light a 4-watt bulb for a little more than an hour).
He lent me a digital power meter that measures both demand in watts and cumulative energy consumption in watt-hours.
Approximately two shot glasses of ethanol could yield enough hydrogen to generate 350 watt-hours of electricity, enough to power half a dozen 60-watt lightbulbs for an hour.
Since early September, however, the amount of electricity from Opportunity's solar panels has increased markedly - and unexpectedly - to more than 700 watt-hours per day at times, a level not seen since the first 10 weeks of the mission.
That caused the rover's average solar energy to spike up 720 watt-hours, not much below the power level she had shortly after landing nearly two Earth years ago.
Just last June, he threw his first bash celebrating his solar electric system's generation of more than 10 million watt-hours of sun-powered energy.
The Prius is peppy enough, and the car's video game-like display encourages you to drive with a light foot, rewarding you with a green leaf symbol for every 50 watt-hours of electricity you regenerate during braking and coasting.
A typical lithium-ion battery inside of a laptop generates about 275 to 285 watt-hours per liter of material.
Reusing paper saves the energy used to make new paper (an average of 15 watt-hours of energy is used to produce a single sheet of paper), and it saves you the money of purchasing it.
With the cost of the Kyoto Protocol looming large on the horizon, every watt-hour we save represents fewer carbon-credits we need to purchase.
Every watt-hour you can save is heat that the customer doesn't have to deal with.
We'll skip over the explanation that energy output ought to be expressed as watt-hours or BTUs per hour, but never is.
Definition of watt-hour in US English:
watt-hour
nounˈwädˌou(ə)rˈwɑdˌaʊ(ə)r
A measure of electrical energy equivalent to a power consumption of one watt for one hour.
瓦（特小）时（电能单位）
Example sentencesExamples
That means that a AA battery can produce 2.8 amps for an hour at 1.5 volts (about 4.2 watt-hours - a AA battery can light a 4-watt bulb for a little more than an hour).
A typical lithium-ion battery inside of a laptop generates about 275 to 285 watt-hours per liter of material.
The Prius is peppy enough, and the car's video game-like display encourages you to drive with a light foot, rewarding you with a green leaf symbol for every 50 watt-hours of electricity you regenerate during braking and coasting.
With the cost of the Kyoto Protocol looming large on the horizon, every watt-hour we save represents fewer carbon-credits we need to purchase.
Approximately two shot glasses of ethanol could yield enough hydrogen to generate 350 watt-hours of electricity, enough to power half a dozen 60-watt lightbulbs for an hour.
That caused the rover's average solar energy to spike up 720 watt-hours, not much below the power level she had shortly after landing nearly two Earth years ago.
He lent me a digital power meter that measures both demand in watts and cumulative energy consumption in watt-hours.
Reusing paper saves the energy used to make new paper (an average of 15 watt-hours of energy is used to produce a single sheet of paper), and it saves you the money of purchasing it.
Since early September, however, the amount of electricity from Opportunity's solar panels has increased markedly - and unexpectedly - to more than 700 watt-hours per day at times, a level not seen since the first 10 weeks of the mission.
Every watt-hour you can save is heat that the customer doesn't have to deal with.
We'll skip over the explanation that energy output ought to be expressed as watt-hours or BTUs per hour, but never is.
Just last June, he threw his first bash celebrating his solar electric system's generation of more than 10 million watt-hours of sun-powered energy.