Sentences with phrase «in electrical resistance»

This results in specific properties of the material, for example an increase in electrical resistance.

Either the increased concentration of free calcium ions or their increased mobility (likely both, the researchers speculate) results in a decrease in the electrical resistance throughout the material, which can be detected with a multimeter connected to electrodes embedded in the film.

Physicists at the U.S. Department of Energy's Ames Laboratory compared similar materials and returned to a long - established rule of electron movement in their quest to explain the phenomenon of extremely large magnetoresistance (XMR), in which the application of a magnetic field to a material results in a remarkably large change in electrical resistance.

The change in electrical resistance through a magnetic field is called magnetoresistance and is very important in technology.

A century ago, Swiss psychologist Carl Jung used a crude galvanometer and electrodes attached to patients» hands to measure changes in electrical resistance on the skin of patients during various word - association experiments.

It is contemplated that a user that may be nervous or engaging in speaking falsehoods may exhibit different galvanic skin response» — a change in the electrical resistance of the skin that is a physiochemical response to increased sympathetic nervous system activity — «than a more confident, truth telling individual.»

Not exact matches

Asbestos became increasingly popular among manufacturers and builders in the late 19th century because of its sound absorption, average tensile strength, its resistance to fire, heat, electrical and chemical damage, and affordability.

The researchers had a helicopter fly a giant transmitter loop over the landscape, inducing an electrical current in the ground, and measured the resistance to the current as far as 350 meters below the surface (see video below).

Superconductivity is at the heart of intensive research in physics, in particular because of its remarkable electronic properties, such as the absence of electrical resistance.

The most celebrated quantum materials are the high - temperature superconductors discovered in the 1980s, so named for their ability to conduct electrical current without resistance at temperatures well above those of traditional superconductors.

The model showed that electrical resistance in strange metals should vary with temperature — a reassuring result, given that other scientists» experiments had already verified it.

Because that's hard to do in the nanosized clusters, the measured electrical resistance jumped over 3000 % — the largest such effect ever seen (see figure).

As a read head moves above bits of magnetic data, changes in the magnetic orientation of those bits alter the electrical resistance of electrons flowing through the sensor, translating the magnetic data into a stream of electrical pulses.

Conventionally such chemical sensors use only the change in the electrical current through the device or a change in the resistance of the device active channel.

«However, we envision that in some magnetic materials, the electrical current could flow with little or no resistance in a direction parallel with the material's internal magnetic field.

In many crystalline materials, magnetic moments are randomly oriented, which increases the electrical resistance of the material.

Finally, Yoichi Ando and colleagues at the Central Research Institute of the Electric Power Industry in Tokyo, Japan, report that in nonsuperconducting LSCO and YBCO, the electrical resistance is smaller for current flowing in the direction in which the stripes are thought to run.

The discovery, reported in tomorrow's issue of Nature, relies on a phenomenon called colossal magnetoresistance — a large drop in a material's electrical resistance in response to an applied magnetic field — that has previously been seen only at very low temperatures.

«We've proved that generating entanglement between photons emitted from an LED can be achieved by adding another peculiar physical effect of superconductivity — a resistance - free electrical current in certain materials at low temperatures.»

«The very idea of using protons rather than electrons to move charge encounters intuitive resistance,» says John Roberts, an electrical engineer at Cambridge University in the U.K. «People know how to control electrons.

When the ions scatter electrons, it causes electrical resistance in metals.

There is no electrical resistance in a superconductor, and therefore no energy loss.

These are materials in which all resistance to an electrical current disappears at temperatures ranging from near absolute zero to as «warm» as around — 170 degrees Fahrenheit -LRB--- 112 degrees Celsius).

A new study from the Cava lab has revealed a unifying connection between seemingly unrelated materials that exhibit extreme magnetoresistance, the ability of some materials to drastically change their electrical resistance in response to a magnetic field, a property that could be useful in magnetic memory applications.

Researchers at Aalto University in Finland have visualized how oxygen ion migration in a complex oxide material causes the material to alter its crystal structure in a uniform and reversible fashion, prompting large modulations of electrical resistance.

The researchers found that migration of oxygen ions away from the contact area results in an abrupt change in the oxide lattice structure and an increase of electrical resistance.

He was puzzled by the changes in the nanotubes» electrical resistance when he turned the gauge on and off.

This law is widely obeyed in weak applied fields, which means that most material samples can be ascribed a definite electrical resistance, measured in Ohms.

Recent research has shown that in two - dimensional systems, including semiconductors, electrical resistance decreases and can reach almost zero when they are subjected to magnetic and microwave influence.

Now, Tina Stankovic at Harvard Medical School in Boston and colleagues have developed an electronic chip containing low - resistance electrodes that can harness a small amount of that electrical activity without damaging hearing.

The graphene enhances the long range electrical conductivity of the anode and maintains a low resistance in a structurally stable composite.»

In investigating the new technique, the researchers at UIUC were diligent in their testing of the formed graphene via electron microscopy, atomic force microscopy, Raman spectroscopy, and electrical resistance measurement to confirm that it maintained its shape and consistency after forminIn investigating the new technique, the researchers at UIUC were diligent in their testing of the formed graphene via electron microscopy, atomic force microscopy, Raman spectroscopy, and electrical resistance measurement to confirm that it maintained its shape and consistency after forminin their testing of the formed graphene via electron microscopy, atomic force microscopy, Raman spectroscopy, and electrical resistance measurement to confirm that it maintained its shape and consistency after forming.

Moreover, these magnetic moments interact strongly with the electrons in graphene which carry electrical currents, giving rise to a significant extra electrical resistance at low temperature, known as the Kondo effect.

In the absence of electrical resistance, if a magnet is brought up close to a cold superconductor, the magnet effectively «sees» a mirror image of itself in the superconducting materiaIn the absence of electrical resistance, if a magnet is brought up close to a cold superconductor, the magnet effectively «sees» a mirror image of itself in the superconducting materiain the superconducting material.

Leading - edge research by a team of SUNY College of Nanoscale Science and Engineering (CNSE) scientists has been published in ACS Nano after the scientists evaluated ultrathin indium (III) selenide (In2Se3) nanosheets and discovered that their electrical resistance drops significantly when exposed to light.

In particular, injured areas of the body have less electrical resistance and are more susceptible to being damaged through the process.

Over time, increased resistance at the taillight electrical contact points may cause damage to the ground terminal and housing of the connector resulting in an intermittent or permanent loss of functionality of one or more rear lamp functions (tail, brake, turn - signal, reverse).

Apparently, the contact pins on the EPS control unit may not have been welded correctly, which could lead to increased electrical resistance in the connection that could lead to a fire.

They offer one - tenth the electrical resistance of today's silicon - only PCUs, which account for about 20 % of the electrical power loss in a hybrid car.

We do know that acupuncture leads to the release of endorphins, and that acupuncture points are different in regards to their concentration of nerve endings, mast cells and have a reduced electrical resistance among other things.

She runs electrical resistances or sources of heat through the materials she uses, creating delicate and ephemeral physical reactions, revealing all that which in daily life is hidden from view and beyond our comprehension.

Electrical Gaza articulates the complex folds of daily life, memory, tradition, and the unyielding impact of the twin responsibilities to family and resistance that are ever present in the Gaza Strip.

Alice Miceli will show photographs from her new series on minefields; Daniel Steegmann Mangrané will make an intervention inspired in the museum's architecture, with which the audience can interact; Thiago Martins de Melo will exhibit his already famous paintings with intense figuration and a huge sculpture; and Wagner Malta Tavares will present a video and an installation with electrical resistances.

Ampere: The unit of measurement of electrical current produced in a circuit by 1 volt acting through a resistance of 1 Ohm.

Built - in electric units: An individual - resistance electric - heating unit that is permanently installed in the floors, walls, ceilings, or baseboards and is part of the electrical installation of the building.

The change of resistance of a PT100 is tiny, about 0.00385 Ohm per degree Celsius, so you need an electrical amplifier to multiply the small corresponding change in voltage to a value acceptable by the datalogger (Thermistors have a much much greater resistance change per degree Celsius, but are more non-linear and more imprecise).

Electrical burns: Most common among electricians, electrical burns occur when a current travels through the body and meets resistance in tissues, resulting in burnElectrical burns: Most common among electricians, electrical burns occur when a current travels through the body and meets resistance in tissues, resulting in burnelectrical burns occur when a current travels through the body and meets resistance in tissues, resulting in burn injuries.

It does this by measuring the electrical resistance in your body, by sending a signal from the underside of the tracker, through your arm, and to a second metal contact on the top of the tracker, which you need to touch with your finger.

Tested electrical characteristics, such as voltage, resistance and phases in circuits, using voltmeters ohmmeters and phase rotation indicators.