Sentences with phrase «voltage changes in»

The new study combined two methods: So - called «patch recording» of tiny voltages in single frog brain cells and how the voltages change in response to sounds of different lengths, and the administration of drugs that block neurotransmitters — a way to learn how brain cells respond to sound with and without the normal neurotransmitters.

Not exact matches

It is also a low voltage wipe warmer, plus is has a built - in lights that make the diaper changing easy even at night.

In other words, 4 mA current produced about twice as much voltage change across electrodes as 2 mA current and the bi-temporal montage provided higher voltage differences than the occipitofrontal montage.

When a large voltage is applied, the grain boundaries facilitate atomic motion, causing a change in resistance.

Roi Cohen Kadosh at the University of Oxford and colleagues applied transcranial direct current stimulation (tDCS)-- a way of changing the voltage across neurons that makes them more or less likely to fire — to the right parietal cortex while simultaneously using the opposite current to subdue activity in the left.

They charted the small changes in voltage generated by the areas of the brain responding to these stimuli, a process known as event - related potentials (ERPs).

Tweaking the voltage shifts the ions to a different position in the magnetic field, changing their state.

Measuring changes in a voltage bias applied to the saline reveals how close the capillary tube is to the cell, allowing researchers to scan subtle structures on the cell surface without disrupting them.

Only ions that come from the breakdown products of bomb - making chemicals can diffuse through the membranes in the electrodes, changing a resistor's voltage in a telltale way.

Changes in the atoms» spin rate correspond to an oscillation in the DC magnetic fields, creating alternating current (AC) electronic signals, or voltages at the light detector, which are more useful for communications.

Subtle changes in the structure, chemistry and shape of an electrode can significantly alter how strongly lithium ions bond to it and affect a battery's capacity, voltage and energy density.

This is often done with piezoelectric materials, which are able to change shape in the presence of an electric voltage.

Light emitting diodes flash in response to changes in voltage on communications equipment.

This changes the voltage in the vicinity so that regulators, switches, and circuit boards in electronic equipment go crazy.

Voltage - dependent potassium ion (K +) channels (Kv channels) conduct K + ions across the cell membrane in response to changes in the membrane voltage, thereby regulating neuronal excitability by modulating the shape and frequency of action poteVoltage - dependent potassium ion (K +) channels (Kv channels) conduct K + ions across the cell membrane in response to changes in the membrane voltage, thereby regulating neuronal excitability by modulating the shape and frequency of action potevoltage, thereby regulating neuronal excitability by modulating the shape and frequency of action potentials.

In 2010, physicists put the largest system yet into a superposition: a 40 - micrometre - long strip of piezoelectric material, which expands and contracts in response to voltage changeIn 2010, physicists put the largest system yet into a superposition: a 40 - micrometre - long strip of piezoelectric material, which expands and contracts in response to voltage changein response to voltage changes.

Because of this, they can swell and shrink in response to changes in the environment such as voltage, heat, and acidity.

At the same time, she measured electrical signals in neighboring neurons using microelectrodes that can record small voltage changes across a neuron's membrane.

Genetically Encoding Unnatural Amino Acids in Neural Stem Cells and Optically Reporting Voltage - Sensitive Domain Changes in Differentiated Neurons.

Results: When oxygen atoms escape, they change the local electronic structure and cause the voltage to fade in a next - generation battery, according to theoreticians at Pacific Northwest National Laboratory and University College London, UK.

In the end, the team determined that doping the cathode changes the local electronic structure to allow the battery to regularly take in and release the maximum voltagIn the end, the team determined that doping the cathode changes the local electronic structure to allow the battery to regularly take in and release the maximum voltagin and release the maximum voltage.

They spent those years examining and crossing off other factors for the change in fluorescence, such as pH, cell concentration and the voltage across cellular membranes.

Researchers have answered an important question in biology by discovering the exquisite mechanism by which channels in the cell membrane sense voltage changes that trigger them to snap open or slam...

Also, look away from the screen periodically to rest your eyes and change focus, and try a low - voltage floor lamp in place of bright overhead lights.

Once a month, researchers from three Tokyo universities measured changes in the affected muscles and tendons, using high - voltage electrical stimulation, ultrasound, MRI and other techniques.

When recording EMG amplitude (in mV or μV), the voltage across the electrodes is constantly changing as a result of the stream of action potentials sent down the motor neurons.

Excitable cells, such as skeletal muscle and nerve cells, contain voltage - dependent calcium channels in their cell membranes that allow for rapid changes in calcium concentrations.

Year 6 Science Assessments and Tracking Objectives covered: Describe how living things are classified into broad groups according to common observable characteristics and based on similarities and differences, including micro-organisms, plants and animals Give reasons for classifying plants and animals based on specific characteristics Identify and name the main parts of the human circulatory system, and describe the functions of the heart, blood vessels and blood Recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function Describe the ways in which nutrients and water are transported within animals, including humans Recognise that living things have changed over time and that fossils provide information about living things that inhabited the Earth millions of years ago Recognise that living things produce offspring of the same kind, but normally offspring vary and are not identical to their parents Identify how animals and plants are adapted to suit their environment in different ways and that adaptation may lead to evolution Recognise that light appears to travel in straight lines Use the idea that light travels in straight lines to explain that objects are seen because they give out or reflect light into the eye Explain that we see things because light travels from light sources to our eyes or from light sources to objects and then to our eyes Use the idea that light travels in straight lines to explain why shadows have the same shape as the objects that cast them Associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on / off position of switches Use recognised symbols when representing a simple circuit in a diagram

If the distance between each bar / mark is meant to represent an even increase / decrease in voltage, each would seem to represent a change of approximately.66 volts (based on the number of bars compared to the numerical labels).

Check for specific changes in voltage.

The switching circuit frequency is probably sensitive to the voltage, and as this varies (can be from 11 to even 15v in some cars) that could change the speed of the switching stage.

When you purchase a lighter plug extension that adds three extra plugs, you're not changing the voltage because the plugs are in parallel with each other so that each plug can deliver 12V to the accessory connected.

I have changed out the battery, fuse relay, starter relay and I am about to change out my voltage regulator in desperation I have even bought a Staiter for it if I can't get to the bottom of this.

Attached to the end of the coil is an interrupter or trembler, a magnetically operated switch or relay, which repeatedly breaks the primary current to create flux (changes) in the transformer needed to produce high voltage.

Changes in AFR translate to changes in current output, which is then converted to a corresponding vChanges in AFR translate to changes in current output, which is then converted to a corresponding vchanges in current output, which is then converted to a corresponding voltage.

Similarly, the high - voltage battery may be fully charged in good time before the driver reaches his destination, enabling the system to switch off the combustion engine at an early point and change to all - electric drive along the final stretch of road.

When a voltage is applied to a coil, a magnetic field is generated in which the alignment of the particles changes so that they are perpendicular to the oil flow, thereby inhibiting its flow through the shock absorber channels.

They use their piezoceramic properties to change their crystal structure — and therefore their thickness — in a matter of nanoseconds when electrical voltage is applied.

Through an oil - temperature sensor, the SH - AWD ® Control Unit monitors the rear differential's clutch - plate coefficient of friction (that changes with temperature) in each clutch pack and then adjusts the voltage to each electromagnetic coil to compensate.

By applying differing voltages, they are able to change the color of individual subpixels to red, green or blue — the RGB scale — or gradations in between.

Varying the thickness of the layers, or the voltage applied to the phase change material, affects what colors each pixel in a display shows.

There are also Na + or Ca + channels in neurons that are activated by changes in electrical activity (voltage gated).

As I jumped into the level, which took place in a destroyed part of downtown Washington DC overrun by aliens, and swapped through my weapons (pistol and rifle to start, with an alien plasma blaster readily available after I shot the first bad guy dead) Matt Corso, the creative director at High Voltage pointed out how the lens scope on my rifle reflected the city street behind me, as I moved the reflection changed.

Every time we meet with the guys from High Voltage, the wonderful people bringing us The Conduit, they're constantly telling us that they love reading about what we think of their games so they can dive back in and make changes.

Thanks for publishing this, there are folks who denigrated the work of scientists that claimed a solar - climate (temperature) link because the variability in solar energy output just wasn't enough to explain the temperature swings, and perhaps they now realize that there could be another mechanism - similar to a transistor where small changes in gate voltage can affect large changes in power transmission - whereby solar activity can create significant effects on temperature.

Some other devices include a smoke detector, voltage meter, temperature gage, water sensor, and accelerometer to detect rapid changes in car velocity typical of accidents.

Same thing on discharge; 99.99 % discharge in 10 time constants, but after removing the discharge circuit, the Voltage will again change (also up or down).

The circuit which Nasht was aiming to break, is the one providing voltage to an increasingly toxic debate in the media and in the public about the root causes and consequences of human - caused climate change.

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).

I changed the voltage in my cellars, I believe electricity affects wine.