Sentences with phrase «electrical changes of»
To this aim it is mandatory to determine the mechanical and electrical changes of Gr during its use as, for example, due to heating or reaction with atmosphere gases.
https://www.european-mrs.com/ Not exact matches
Half of the board of Southern Cross Electrical Engineering has walked off the job, including chairman John Cooper, after it flagged a change in direction, a number of redundancies and cost - saving initiatives in response to the tough climate for local contractors.
Their technologies depend on a phenomenon called electrochromism — the ability of certain chemicals to change colour when electrical currents are applied.
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.»
«They might detect changes in blood chemistry or in the heart's electrical pattern, predict the onset of a heart attack, and broadcast a warning to your physician's mobile device.»
On LinkedIn, the company says it «seeks to change the paradigm in energy storage by developing a completely new class of electrical energy device.»
His fate changed after a friend of his father's loaned him a machine called a TENS, short for transcutaneous electrical nerve stimulation.
The structures of some nanomaterials bend and change shape when given an electrical jolt, so that a material's properties can be altered at the flip of a switch — it can change color, for example, or become transparent.
Some offices they looked at, though, needed a lot of work: tearing down and moving walls, electrical, plumbing, HVAC (heating, ventilation, air conditioning), disability access changes, and more.
To illustrate, research has discovered that changes in our skin temperature and the degree of skin conductivity of small electrical impulses (both indications of our degree of general relaxation) are correlated with emotional changes.
Also there is evidence of molecular mechanisms in the cell membranes that can amplify small changes in the field to produce large changes in neural activity.13 On the other hand, earlier tests of Kohler's theory found that interference with electrical gradients over the cortex had no effect on behavioral measures (see note 11 for reference to these studies).
In 2004, the indoor pool facility underwent a $ 5 million expansion which included the addition of an activity pool, family changing rooms, upgraded HVAC, electrical and filtration systems, expanded locker rooms and increased ADA accessibility with the addition of an elevator.
The Cuomo administration estimates the Clean Energy Standard, chiefly its nuclear subsidies, will add an average of $ 2 to residential electric bills, although the Empire Center calculated the standard would hike the average residential bill by more than $ 2.09 in 2018 and by $ 3.40 in 2021 from added supply costs alone; compliance with the standard will necessitate major changes to the electrical grid, which will separately drive up customer delivery charges as utilities are forced to accommodate intermittent generation from solar panels and wind turbines.
After 12 years of commercializing a technology she developed during her Ph.D. research in electrical and computer engineering, Kavita Ravi, 2011 - 13 Executive Branch Fellow at the Department of Energy, was ready for a change.
Wave Change These days, Miller is taking on another piece of dogma — that neurons primarily communicate by electrical spikes.
An electrode «cuff» that clamps around the outside of nerve bundles is also being tested but because the electrodes don't enter the nerves, greater changes in electrical input are needed for stimulation.
Eve A. Riskin, a professor of electrical engineering and director of the ADVANCE Center for Institutional Change at the University of Washington, said that married academics might choose to wait until the end of the interview process before mentioning a spousal hiring issue.
Results showed that, among study participants with asymmetry in temporal lobe high frequency electrical activity, those with right compared to left side asymmetry had higher resting heart rates and other changes suggesting that the cardiovascular system may be less capable of adapting to shifting circumstances.
These recordings revealed that the learning experience changes electrical activity of the amygdala neurons.
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.
The formation of a crack would cause a tiny movement in the concrete under a patch, causing a change in the electrical charge stored in the sensing skin, which is made of stretchable plastic mixed with titanium oxide.
It has been particularly difficult to measure changes in electrical functions of cells grown within Organ Chips that are normally electrically active, such as neuronal cells in the brain or beating heart cells, both during their differentiation and in response to drugs.
Now, a pair of scientists based in France and Switzerland have discovered another odd fullerene property: They change the amount of electrical current they conduct when they are squeezed.
They first isolated a buckyball on a metal surface with a scanning tunneling microscope (STM), which images the atomic contours of a surface by measuring changes in the electrical current that travels between the surface and an ultrasharp tip that scans across it.
«As much as 15 percent of energy is lost to dissipation during transmission, so if you could make wires from this material and use them in the electrical grid, it could change that story.»
And in related experiments, he made tadpoles grow eyes on their stomachs by changing the electrical properties of cells to mimic those associated with eye formation.
«We find the conditions for brines to be produced, but if you want to measure them directly you need some other kind of measurement,» he says, such as an instrument that can look for changes in electrical conductivity.
Along with the change of venue, researchers plan to try out one of Phoenix's yet - to - be-deployed toys — a thermal and electrical conductivity probe, which consists of three spikes attached to the robotic arm's «knuckle.»
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.
It's fascinating to see that simple chemical changes within a molecule, can have a profound influence on the electronic structure of molecules, leading to different electrical properties.»
The researchers tailored the clusters to explore the impact of compositional change on the clusters» electrical response and plan to build upon their initial study.
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.
In his system, Krupenkin runs this process backwards, using the changing physical form of liquid drops between dielectric - coated plates to generate charge and therefore electrical power.
Their model could change the world of electrical contacts, affecting industries from electric vehicles to wind turbines.
In their study, Mazzolini and co-workers found that depending on the region of the cell being hit by the light, the electrical response of the nerve changes.
The changes to and propagation of light waves in an electrical field take place on a time scale of a few hundred attoseconds — in other words, within one billionth of a billionth of a second.
Nanopores are miniscule holes (often as small as a few billionths of a meter) that measure a change in electrical current as molecules pass through them.
The membrane is compressed slightly, and this change leads to an electrical pulse as a consequence of the piezoelectric effect.
An electrical current changes the ability of modified alkanes to wet a surface, without altering their chemical identity.
He said previous research shows that memories make changes in the synapse, the thousands of regions in each neuron responsible for sending electrical and chemical signals to other neurons.
This novel kind of non-volatile memory saves information by changing the electrical resistance of a metal - insulator - metal structure.
Zebker, an associate professor of geophysics and electrical engineering at Stanford University, and his colleagues know this because they have documented how volcanoes themselves change shapeslowly expanding at the surface and then collapsing back down in what seem like great, heaving sighs.
The post-synaptic density is a specialized area full of proteins needed for communication between neurons, so changes in its structure or capacity may explain the aberrant electrical responses.
«The remarkable innovation and growth we've witnessed in land - based wireless communications has not yet occurred in underwater sensing networks, but we're starting to change that,» says Dimitris Pados, PhD, Clifford C. Furnas Professor of Electrical Engineering in the School of Engineering and Applied Sciences at UB, a co-author of the study.
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 scientists found that neurons lacking BAI1 show changes in long - term potentiation (LTP) and long - term depression (LTD): how the cells respond to patterns of incoming electrical signals.
This may help us to understand how processes such as learning and memory formation, which require long - term changes in the brain, arise from the short bursts of electrical activity through which neurons signal to each other,» Greenberg said.
For this proof of concept study, the scientists analyzed rodent cells» electrical activity for up to 30 days, reporting that the cells displayed characteristics and changes mimicking physiological responses described in literature.
Unlike conventional fingerprint visualization reagents, the polymers used by the University of Leicester researchers are electrochromic, that is to say they change from one colour to another when subjected to an electrical voltage.
They report this month in the Proceedings of the Royal Society B that changes in the heartbeat due to temperature (the heart slows as it cools and then speeds back up as the fish resurfaces) and adrenaline, released from the stress of diving, alter the electrical activity of the heart cells to sustain the constant calcium cycling needed to keep the heart going.