Sentences with phrase «high conductivity of»

Not exact matches

Because of the great heat conductivity, the pancake puffs really high!

The material's flexibility for various applications is due to its broad range of possible conductivities — from highly conductive to very insulating — and high - breakdown - voltage capabilities due to its electric field strength.

Atom - thick graphene is the ideal substrate, Tour said, because of its high surface area, stability in harsh operating conditions and high conductivity.

«By tuning its thermal conductivity, the material can efficiently and automatically dissipate heat in the hot summer because it will have high thermal conductivity, but prevent heat loss in the cold winter because of its low thermal conductivity at lower temperatures.»

Since graphene was experimentally discovered in 2004, it has been the focus of vigorous applied research due to its outstanding properties such as high specific surface area, good thermal and electrical conductivities, and many more properties.

In addition to low thermal conductivity, these novel aerogels have several unique features, one of which is super high oil absorption capacity — it is up to four times higher than commercial sorbents available in the market.

«Our combination of high thermal conductivity and elasticity is especially critical for rapid heat dissipation in applications such as wearable computing and soft robotics, which require mechanical compliance and stretchable functionality,» said Majidi, an associate professor of mechanical engineering.

This ability to switch conductivity is possible because some of their electrons can move from lower - energy insulating states to higher - energy conducting states when subjected to an input of energy.

That, however, is just «one piece of the puzzle,» Chen says: In order to be useful for thermoelectric devices, a material must combine low thermal conductivity with high electrical conductivity.

«The great properties of nanodiamond — lubricity, high thermal conductivity and electrical resistivity and stability, among others — are quite impressive,» said Taha - Tijerina.

Graphene is essentially an ultra-thin sheet of carbon and possesses exciting properties such as high mechanical stability and remarkable electrical conductivity.

These ultra-thin carbon filaments have high mobility, high transparency and electric conductivity, making them ideal for performing electronic tasks and making flexible electronic devices like thin film transistors, the on - off switches at the heart of digital electronic systems.

This ability to switch conductivity on and off is possible because some of a semiconductor's electrons can move from lower - energy insulating states to higher - energy conducting states when subjected to an input of energy.

«Stretching the limits of elastic conductors: High conductivity achieved by self - forming Ag nanoparticles.»

To achieve a high degree of stretchability and conductivity, the researchers mixed four components to create their elastic conductor.

Without stretching, printed traces of the new conductor recorded 4,972 siemens per centimeter (S / cm), high conductivity using the common measure for assessing electrical conductance.

One of the most remarkable properties of graphene is its high conductivity — thousands of times higher than copper.

The calculations in those studies said that the resistivity of the molten metal in Earth's core, which is generated by this electron scattering process, would be too low, and thus the thermal conductivity too high, to allow thermal convection to generate the magnetic field.

The discovery of graphene, with its high strength - to - weight ratio, flexibility, electrical conductivity, and ability to form an impenetrable barrier, led to an explosion of interest in 2D solids.

Diamond has a track record of extremes, including ultrahardness, higher thermal conductivity than any other solid material and transparency to ultraviolet light.

«We discovered the origin of its very low thermal conductivity, which leads to its high efficiency.»

Perhaps even more surprising, the corpus callosum — the broad band of nerve fibers joining the two hemispheres — showed more conductivity in adults who had high blood lead levels as children.

As a result, the relatively short step size and the random distribution of such regions of higher conductivity render the channel jagged rather than smooth.

Though recent research had demonstrated the potential of some protonic ceramic fuel cells to offer environmentally sustainable and cost - effective electric power generation, those cells» high electrolyte conductivities failed to produce anticipated power outputs.

One of the difficulties involved in developing thermo - electric systems that convert heat into electric current is the need for materials exhibiting high electrical conductivity but low thermal conductivity, which is only possible with complicated crystal structures.

Whereas the «glass - like» thermal conductivity of the clathrate Ba7.81 Ge40.67 Au5.33 has frequently been associated with a short phonon lifetime, this study measured for the first time to date a very long phonon lifetime using a large single crystal sample of high quality.

«The magma at such depths has a high enough amount of dissolved carbon dioxide that its conductivity is very high,» Dasgupta said.

Lead telluride (PbTe) is a reference high performance thermoelectric which can exhibit low values of thermal conductivity when it is doped.

With far greater transparency, white graphene is also chemically inert, and features the high mechanical strength, high melting point, and thermal conductivity properties of graphene.

Researchers at Jilin University in China have developed a new class of self - assembled crystalline porous organic salts (CPOSs) featuring high proton conductivity for applications such as proton - exchange membranes for fuel cells.

Graphene's mechanical stability, high electrical conductivity, and compatibility with a diverse array of carbonaceous functionalization chemistries makes it an alluring host system for novel gas sensors.

To measure the amount of salt in seawater, for instance, they might measure how well the solution conducts electricity, since the higher the level of dissolved salt, the higher the electrical conductivity of the water.

These hybrids have advantageous combination of properties, such as biocompatibility, high tensile strength and thermal conductivity as well as superb chemical stability and electrical insulation.

In numerous tests, the researcher and his team investigated the nano - material graphene, whose extremely high specific surface area of up to 2,600 m2 / g and high electrical conductivity practically cries out for use as an electrode material.

Because of its extremely high conductivity, sixty percent of copper is used in electrical and electronic goods.

«The solar wind, because it is an extended ionized gas of very high electrical conductivity, drags some magnetic flux out of the Sun, thereby filling the heliosphere with the weak interplanetary magnetic field.

It found that high levels of conductivity are associated with loss of aquatic life.

Leif Svalgaard says: October 20, 2012 at 3:16 am Apart from the absurdness stemming from the fact that the solar field is 100,000 times smaller than the core field, the conductivity of the upper mantle is high enough to screen the core from any electromagnetic external influence.

Apart from the absurdness stemming from the fact that the solar field is 100,000 times smaller than the core field, the conductivity of the upper mantle is high enough to screen the core from any electromagnetic external influence.

vukcevic says: October 20, 2012 at 4:06 am Leif Svalgaard says: October 20, 2012 at 3:16 am Apart from the absurdness stemming from the fact that the solar field is 100,000 times smaller than the core field, the conductivity of the upper mantle is high enough to screen the core from any electromagnetic external influence.

The cryosphere derives its importance to the climate system from a variety of effects, including its high reflectivity (albedo) for solar radiation, its low thermal conductivity, its large thermal inertia, its potential for affecting ocean circulation (through exchange of freshwater and heat) and atmospheric circulation (through topographic changes), its large potential for affecting sea level (through growth and melt of land ice), and its potential for affecting greenhouse gases (through changes in permafrost)(Chapter 4).

Leif Svalgaard says: October 20, 2012 at 3:16 am vukcevic says: October 20, 2012 at 2:08 am Apart from the absurdness stemming from the fact that the solar field is 100,000 times smaller than the core field, the conductivity of the upper mantle is high enough to screen the core from any electromagnetic external influence.

vukcevic says: October 30, 2012 at 2:59 pm You might like to do some calculations using geomagnetic storms induction as a trigger It is precisely that high conductivity that screens the core from any external influence, in combination with the high conductivity [effectively a superconductor] of the core itself.

So explain how the silver wire has precisely the same conductivity to the gas at low pressure at the top of the tube as it does to the gas at high pressure at the base of the tube.

Thus in sandy soils for example (compare dry and saturated thermal conductivities of Figure 5 with tabulated values in Figure 6), the required length of the ground loop could be as low as 200 feet per system ton if the soil is saturated with water, or as high as 300 feet per ton if the soil is dry.

It injects high levels of mineral ions into the water, where high electrical conductivity harms many kinds of aquatic life.

Using a high value of conductivity produces a similar result without any actual water motion.

The thermal conductivity of moist soil is also higher than dry soil or pavement.

His main line lately has been HTC (high temperature conductivity, if I have it right) and there has recently appeared some material that dismayingly misconstrues his work (Anderson localization), a parallel with climate science in the way that clever appearance and neat graphics trump careful and accurate assessment of the true dynamics in question.

Its thermal conductivity is not high enough to equilibrate to some isothermal Temperature of Trenberth's model.