Sentences with phrase «square centimeter at»

The researchers then subjected the device to a variety of tests, finding first that it had a strong energy efficiency of 7.9 percent, producing a current of 7.86 milliwatts per square centimeter, as the current density was 13.8 milliamperes per square centimeter at 0.57 volts, based on a simulated sunlight of 100 milliwatts per square centimeter.

But the pressures reported at Fukushima — more than seven kilograms per square centimeter at times — more than double the pressures even the hardened vent was designed to handle.

Not exact matches

Fortunately, because quantum dots are packed together at high densities — more than 50 billion dots per square centimeter — they capture electrons and holes before the particles are lost.

The density of defects in the best gallium nitride crystals, at 1.010 dislocations per square centimeter, was ten million times higher than what was believed necessary for commercial success, especially in a laser.

Power - conversion efficiencies of more than 6 % were achieved at illuminations of 200 milliwatts per square centimeter.

Regardless of the functional additives, experiments showed that once a sorbent material achieved a surface area of 2,800 square meters per gram and a pore volume of 1.35 cubic centimeters per gram, neither more surface area nor larger pores made it more efficient at capturing carbon dioxide.

At an applied potential of 0.3 volt, chemically modified n - type TiO2 performs water splitting with a total conversion efficiency of 11 % and a maximum photoconversion efficiency of 8.35 % when illuminated at 40 milliwatts per square centimeteAt an applied potential of 0.3 volt, chemically modified n - type TiO2 performs water splitting with a total conversion efficiency of 11 % and a maximum photoconversion efficiency of 8.35 % when illuminated at 40 milliwatts per square centimeteat 40 milliwatts per square centimeter.

Princeton astrophysicist Bruce Draine estimates that the small spacecraft would sustain about a million collisions per square centimeter with dust grains during the journey — each one potentially a disaster at those speeds.

This catalyst has demonstrated specific activity at 10 milliamps per square centimeter of oxide catalyst (OER current normalized to catalyst surface area), with only 270 to 290 millivolts of overpotential for 30 hours of continuous testing in acidic electrolyte.

And the efficiency with which a field generates electricity can be improved in the future by moving to higher temperature operation, he adds; the current design employs steam at 440 degrees Celsius and 63 kilograms per square centimeter of pressure at peak capacity.

The layer of ionic liquid allowed the researchers to inject the semiconductor with electrons at a density of a hundred trillion to a quadrillion per square centimeter.

A 2010 analysis by Australian researchers looked at the actual number of bacteria per square centimeter on various banknotes and found that a U.S. note contains 10 such microbes per square centimeter (higher than what Australia and New Zealand had on their currency.)

Meanwhile, physicists and chemists at HZB produced graphene surfaces several square centimeters in size so that edge effects play hardly any role in comparison to the surface processes.

The ability to trap live organisms without harm is surprising, considering that the typical laser intensity at the focal point of the optical tweezers is about 10 million watts per square centimeter.

At Earth's surface, the atmosphere pushes against every 6.5 square centimeters (1 square inch) with 65.4 newtons (14.7 pounds) of force.

Our skin is our largest organ, covered with at least a thousand sensory neurons and a billion skin microbes per every square centimeter.

At sea level, air pressure is about 14.7 pounds per square inch (1 kilogram per square centimeter).

At the moment, the solar cells can generate roughly 2.5 milliwatts per square centimeter in typical sunlight conditions.

If you look at what happened in 2012 and compare it to a hurricane with a similar surge in 1821, it flooded about 100,000 square kilometers (37,000 square miles) more because the sea had risen 50 centimeters (19 inches.)»