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pulsed and high
Instead high percentage agarose gels should be run with a pulsed field electrophoresis ( PFE ), or field inversion electrophoresis.
All cavity magnetrons consist of a hot cathode with a high ( continuous or pulsed ) negative potential created by a high-voltage, direct-current power supply.
This nonlinearity is typically only observed at very high light intensities ( values of the electric field comparable to interatomic electric fields, typically 10 < sup > 8 </ sup > V / m ) such as those provided by pulsed lasers.
" Nonetheless, care should be taken to use low power settings and avoid pulsed wave scanning of the fetal brain unless specifically indicated in high risk pregnancies.
A high voltage is pulsed across the lamp to " ignite " or " strike " the arc, after which the discharge can be maintained at a lower voltage.
Laser diodes can be arrayed to produce very high power outputs, continuous wave or pulsed.
Q-switched lasers are often used in applications which demand high laser intensities in nanosecond pulses, such as metal cutting or pulsed holography.
Laser range gated imaging is another form of active night vision which utilizes a high powered pulsed light source for illumination and imaging.
Special purpose, high-energy triggerable spark gaps can be used to rapidly switch high voltages and very high currents for certain pulsed power applications, such as pulsed lasers, railguns, fusion, ultrastrong pulsed magnetic field research, and in the triggering of nuclear bombs.
In addition to their recognized wavelength agility these lasers can offer very large pulsed energies or very high average powers.
An IGBT used for this purpose must be rated for a high pulsed current, so as to avoid over-current damage to the semiconductor junction.
Since cw lasers often have free-running linewidths in the MHz range, and pulsed even larger, it is non-trivial to couple laser light effectively into a high finesse cavity.
Material is directly removed from a solid or liquid surface at high velocities by laser ablation by a pulsed laser.
An igniting electrode ( called the " ignitor "), made of a refractory semiconductor material such as silicon carbide, is briefly pulsed with a high current to create a puff of electrically conductive mercury plasma.
Pulsed laser deposition ( PLD ) is a thin film deposition ( specifically a physical vapor deposition, PVD ) technique where a high power pulsed laser beam is focused inside a vacuum chamber to strike a target of the material that is to be deposited.
This nonlinearity is typically only observed at very high light intensities such as provided by pulsed lasers.
The lasers are often pulsed, with measurement of the atmosphere being time-gated ( taking place a few microseconds after the pulse has been launched so that scattered light at ground level is ignored and only light which has traveled for several microseconds high up into the atmosphere and back is actually detected ).
* In pulmonary hemorrhage, high doses of cyclophosphamide with pulsed methylprednisolone may be used, or alternatively CYC, steroids, and plasma exchange.
Commercial Spark gaps use this property to abruptly switch high voltages in pulsed power systems, to provide surge protection for telecommunication and electrical power systems, and ignite fuel via spark plugs in many internal combustion engines.

pulsed and voltage
The application of the pulsed voltage to the sample allows for individual ions at the sample surface to have their electric field, and hence atomic bonding, temporarily disrupted.
This has arisen as a result of voltage pulsed atom probes providing good chemical and sufficient spatial information in these materials.
In pulsed applications there is a delay of several cycles before the oscillator achieves full peak power, and the build-up of anode voltage must be coordinated with the build-up of oscillator output.
The voltage is " pulsed " using transistors to produce varying output with smooth transitions and greater efficiency.
The dyes are injected by applying a positive or negative, DC or pulsed voltage to the electrodes depending on the polarity of the dye.
The applied magnetic field is pulsed, which allows the flowmeter to cancel out the effect of stray voltage in the piping system.
This device will work as a RF rectifier and give a pulsed DC voltage.
The pulsed outputs ( pulse width, frequency, and voltage ) of three devices were measured with an oscilloscope across a 500-ohm resistance, meant to simulate subdermal tissue stimulated during electroacupuncture.
By applying a pulsed voltage, the SDA can be made to move forward.
A pinched aluminium can, produced from a pulsed magnetic field created by rapidly discharging 2 kilojoules from a high voltage capacitor bank into a 3-turn coil of heavy gauge wire.
An improvement to this basic " Resistance Sensing Supervisory System " can be obtained by providing a pulsed or time dependent variable voltage applied to the alarm circuit and is addressed in US patent numbers 4, 030, 095 and 4, 716, 401.
For instance, a two-stage cycle can be used to generate a higher pulsed voltage from a lower-voltage supply.

pulsed and source
Another method of achieving pulsed laser operation is to pump the laser material with a source that is itself pulsed, either through electronic charging in the case of flash lamps, or another laser which is already pulsed.
A lightcraft is a vehicle currently under development that uses an external pulsed source of laser or maser energy to provide power for producing thrust.
The Spallation Neutron Source ( SNS ) is a recently completed accelerator-based neutron source that provides the most intense pulsed neutron beams in the world for scientific and industrial research and development.
The average response time of the bolometer allows convenient measurement of the power of a pulsed source.
* Fourier transform spectroscopy, a measurement technique whereby spectra are collected based on measurements of the temporal coherence of a radiative source, using time-domain measurements of the electromagnetic radiation or other type of radiation, including several methods such as the continuous wave Michelson or Fourier transform spectrometer and the pulsed Fourier transform spectrograph
Direct control of the repetition rate can be achieved by using a pulsed pump source as well as passive Q-switching.
The engine is pulsed because the mixture must be renewed in the combustion chamber between each detonation wave initiated by an ignition source.
Stellar radio sources, radio source stars or radio stars are stellar objects that produce copious emissions of various radio frequencies, whether constant or pulsed.
A plasma afterglow can either be a temporal, due to an interrupted ( pulsed ) plasma source, or a spatial one, due to a distant plasma source.
Depending on the properties of the light source ( superluminescent diodes, ultrashort pulsed lasers and supercontinuum lasers have been employed ), optical coherence tomography has achieved sub-micrometer resolution ( with very wide-spectrum sources emitting over a ~ 100 nm wavelength range ).
As a result, it is possible to excite lanthanides using a pulsed light source ( Xenon flash lamp or pulsed laser for example ), and measure after the excitation pulse.
For more critical situations, such as military combat, RWR systems are often capable of classifying the source of the radar by the signal's strength, phase and waveform type, like pulsed power wave or continuous wave with amplitude modulation or frequency modulation ( chirped ).
Fluorescence lifetimes can be determined in the time domain by using a pulsed source.
It is a high-frequency pulsed signal whose spectral appearance suggests a continuous source that is periodically interrupted, and might last as long as 800 milliseconds.
The Spallation Neutron Source ( SNS ) is an accelerator-based neutron source facility that provides the most intense pulsed neutron beams in the world for scientific research and industrial development.
To fill that need for a new, improved neutron source, the DOE Office of Basic Energy Sciences funded the construction of SNS, which would provide the most intense pulsed neutron beams in the world for scientific research and industrial development.
Using the Arecibo 305m antenna, Hulse and Taylor detected pulsed radio emissions and thus identified the source as a pulsar, a rapidly rotating, highly magnetized neutron star.
The IPNS was the world's first pulsed neutron source open to external users and started operations in 1981.
This is presently achieved at few large scale facilities in the world: the CMMS continuous source at TRIUMF in Vancouver, Canada ; the SµS continuous source at the Paul Scherrer Institut ( PSI ) in Villigen, Switzerland ; the ISIS and RIKEN-RAL pulsed sources at the Rutherford Appleton Laboratory in Chilton, United Kingdom ; and the J-PARC facility in Tokai, Japan, where a new pulsed source is being built to replace that at KEK in Tsukuba, Japan.

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