Sentences with phrase «square centimeters»

The emitter can be modified to expand the charging beam's radius to an area of up to 100 square centimeters from a distance of 12 metres, or nearly 40 feet.

The researchers, working with a biological ink that contains both human plasma as well as material extracts taken from skin biopsies, were able to print about 100 square centimeters of human skin in the span of about half an hour.

Travel to one of the poles during the winter period and place a sheet of glass, say one square metre, with a hole in the middle, say 100 square centimeters, on any flattish ice surface.

But the findings of the Swiss research team, recently published in the journal Annals of Biomedical Engineering, suggest that it is indeed possible to power pacemakers and other low - power medical implants with solar energy, and could be done with cells measuring as small as 3.6 square centimeters.

Belgian research institute Imec has achieved a conversion efficiency of 23.9 % on a perovskite / silicon tandem module measuring 4 square centimeters.

A typical pacemaker could be powered by solar cells as small as 3.6 square centimeters, which could be implanted under the skin, thereby avoiding the need for periodic battery replacements.

For example, the light window in our demonstration autoclave was just a few square centimeters.»

A human's range of smell is somewhere between two to four square centimeters.

A cat can smell up to 30 square centimeters.

Consider that a dog can smell between 20 - 200 square centimeters.

Introduce the activity using squares with areas that have perfect square values such as 9 square feet or 25 square centimeters.

Feed people dairy protein, and you can see their tummy fat increases 20 to 40 square centimeters.

The total surface area of a silver dollar is approximately 27.70 square centimeters.

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.

The insect can chew through 10 square centimeters of leaf a day, and left unchecked it will strip a plant bare.

«Globally we have not seen so small TV antennas, the nearest is 30 by 30 square centimeters.

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 southern sea otter, which lacks blubber, has particularly dense fur, with approximately 1 million hairs per square inch (6.5 square centimeters), more than any other known animal.

The rectangular chip — smaller than a few square centimeters and using as little as a few milliliters of blood — is made of the polymer PDMS.

Current non-invasive techniques can't detect epileptic areas of the brain smaller than approximately eight to 10 square centimeters, so many early - stage epilepsy patients often go undiagnosed and untreated.

We have created sample sizes of a few square centimeters, and since we think that our method is scalable, we believe that we can grow sheets that are up to several square inches or larger, paving the way to realistic large - scale applications.»

And all this must happen on 1.5 square centimeters of polymer that's transparent, flexible, nonirritating, fluid - friendly, and free of all the toxic materials normally used in glowing microelectronic components.

Scientists estimate that Stardust collected 45 of these micron - sized interstellar dust particles using an aerogel collector 1,000 square centimeters in size.

Trinity College's Coleman says that the solution - based exfoliation methods, which to date produce graphene up to several tens of microns wide, are probably best suited for «middle - size industrial quantities, whereas the Intels of the world will likely be more interested in growing huge areas of graphene using CVD - type processes,» which so far can make samples up to a few square centimeters.

It is important to understand that using your microwave oven will expose you to an energy density of milliwatts per square centimeter (the standard energy unit measurement in the U.S.).

Every square centimeter of it!

And as the equipment descends, everything will pass a bank of ultraviolet lights that bathes it with 40,000 microwatts per square centimeter of cell - killing energy.

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.

During each burst of oxygen, an estimated 26,000 ions per second passed through each square centimeter of sensor, the researchers say.

It's pumped 300 meters or so to the injection site, where its pressure is increased to more than 140 kilograms per square centimeter before being pumped through one of two wellheads.

The observed transient behavior displays a notable «structural isosbestic» point and a threshold effect for the dependence of c - axis expansion (Δc) on fluence (F), with Δc / F = 0.02 angstrom / (millijoule per square centimeter).

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.

The largest collection, weighing as much as four pounds in total, clings to your gut, but your skin also hosts more than a million microbes per square centimeter.

The combined material, called a photoanode, showed excellent stability while reaching a current density of 10 milliamps per square centimeter, the researchers reported.

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 centimeter.

The team crushed a sample containing tiny crystals of osmium and liquid argon between the jeweled jaws of a diamond anvil, which exerts several hundred tons per square centimeter of pressure.

In Idaho, for example, a former lab is deemed «clean» when there is less than one tenth of a microgram of methamphetamine per square centimeter in the room where meth was cooked.

«A relatively low cathode current density, in the range of miliamperes per square centimeter, can correspond to a pressure of gaseous hydrogen in the range of a few tens of thousands of atmospheres,» explains Dr Arkadiusz Gajek (IPC PAS).

An easy - to - measure current density of one microampere per square centimeter corresponds a stream of about six trillion (6 × 10 ^ 12) single hydrogen atoms per second per square centimeter.

«We could hit it with a trillion neutrons per square centimeter, and the beam would still only consume one in a billion lithium atoms inside the battery,» Cao said.

When the researchers placed the lattice in a vacuum heated to 1,250 degrees Celsius, they found that it converted radiation with an efficiency of 34 percent and emitted about 14 watts per square centimeter.

During the disinfection process, water will pass through the 56 UV units, each of which contains 144 low - pressure, high - output ultraviolet lamps that produce 40 millijoules per square centimeter of light that together can treat an average of 1.3 billion gallons (4.9 billion liters) of water daily (pdf).

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.

The cell was 1 square centimeter in size, consisting of a 200 - micron - thick silicon layer topped with a 1 - micron - thick perovskite layer.

In our experiments, we found that when the plating and stripping current density is raised above ~ 9 milliamperes per square centimeter, there is substantial self - heating of the dendrites, which triggers extensive surface migration of Li.

After painstakingly removing multiple sources of background signals, the team was left with a neutrino flux of 66 billion per square centimeter per second, close to the standard solar model prediction of 60 billion, they report online today in Nature.

Flow batteries can produce between 0.5 and 3 volts, and that in turn means IBM can use the technology today to supply 1 watt of power for every square centimeter of a computer's circuit board.

The films display a room - temperature spontaneous polarization (50 to 60 microcoulombs per square centimeter) almost an order of magnitude higher than that of the bulk (6.1 microcoulombs per square centimeter).