Sentence examples for had to emit from inspiring English sources

In order to increase the efficiency of the explosion, the initiator had to emit a large number of neutrons in a few microseconds while the plutonium core was fully compressed.

Calling lures had to fulfil three conditions: i) both lures had to emit sex pheromone simultaneously to attract males; ii) the sex pheromone had to come equally, i.e. in similar quantities, from two different directions to give males a fair choice between two distinct partners; iii) lures had to be able to perform antennal contacts with test males to induce wing raising.

We limited the time per trial that each subject had to emit a grip/no grip response.

Under the new rule, expected to be announced this week, new power plants will have to emit no more than 1,000 pounds of carbon dioxide per megawatt-hour of energy produced.

Since high-frequency antennas of vibrating charges in solids have to emit larger energy quanta hν than lower-frequency antennas, they can only do so when the temperature, or the thermal atomic motion, becomes high enough.

Meanwhile, it is a perverse side effect of global warming that we may have to emit large volumes of carbon dioxide to obtain the clean water that is becoming scarcer because of the carbon dioxide we've already put into the atmosphere.

We can see luminescent sources, but never light in itself: in order to be seen, light should have to emit light carrying information about it.

Spectral band brightness temperature (BT) is the temperature a blackbody needs to have to emit a specified radiance for a given sensor band (Berk 2008).

As a result, the price utility companies have had to pay for emitting a ton of CO2 into the atmosphere crashed, from a historic high of nearly 30 euros per ton in 2008 to just over 3 euros per ton in 2013.

In these circumstances, when the mood has soured and the credit card has begun to emit the high narcotic tang of burning plastic, the good stuff becomes less a cause for praise, than a plea in mitigation for a crime that everyone accepts has already been committed.

Carbon permits are a mechanism designed to reduce carbon dioxide emissions, as companies have to pay to emit C02.