Sentences with phrase «magnetic pulses in»

Not exact matches

The inner region sends out clock - like pulses of radiation and tsunamis of charged particles embedded in magnetic fields.
To speed up these processes, researchers have recently started to explore the use of ultrashort laser pulses that can switch magnetic domains in solid - state materials.
In an MRI machine, a powerful magnetic field causes protons in the body to line up like violin strings under tension, then a pulse of energy plucks those «strings,» making them huIn an MRI machine, a powerful magnetic field causes protons in the body to line up like violin strings under tension, then a pulse of energy plucks those «strings,» making them huin the body to line up like violin strings under tension, then a pulse of energy plucks those «strings,» making them hum.
Electromagnetic coils are positioned near a patient's skull to deliver brief pulses of magnetic fields; these induce electric currents inside the head, which cause neurons to fire in brain regions associated with mood.
In Vader's device, an electrically - pulsed magnetic field permeates liquid metal in an ejection chamber and creates circulating electrical currents that interact with the magnetic field to produce a pressure that squeezes a droplet out of the ejector nozzlIn Vader's device, an electrically - pulsed magnetic field permeates liquid metal in an ejection chamber and creates circulating electrical currents that interact with the magnetic field to produce a pressure that squeezes a droplet out of the ejector nozzlin an ejection chamber and creates circulating electrical currents that interact with the magnetic field to produce a pressure that squeezes a droplet out of the ejector nozzle.
But the researchers could use the results to apply a precise magnetic field to the cesium vapor that effectively canceled out the ensemble's original spin state and replaced it with one that corresponded to the polarization of the weak pulse, as they report in the 5 October Nature.
Highly focused magnetic pulses of up to 1.5 teslas induce an electrical current two to three centimeters deep in the left prefrontal section of the cerebral cortex.
Ross and her colleagues applied magnetic pulses to two different areas of the brain in 25 healthy adults.
In a second set of studies, the researchers temporarily disabled the right temporal parietal junction with pulses of magnetism delivered through transcranial magnetic stimulation, a technique used to treat Parkinson's disease and some intractable cases of depression.
The brief magnetic pulses observed prior to some moderate - sized earthquakes might be triggered by chemical bonds breaking in rocks under stress (such as those deep beneath the San Andreas fault, shown).
Understanding the two phenomena, which are both produced by interactions between charged particles and the planet's magnetic field, may help to explain the variations in the timing of the radio pulses and to shed light on Saturn's geomagnetic workings.
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.
«The U.S. society and economy are so critically dependent upon the availability of electricity that a significant collapse of the grid precipitated by a major natural or man - made EMP [electro - magnetic pulse] event could result in catastrophic civilian casualties,» Rep. Trent Franks (R - Ariz.)
In addition, the researchers used high - power nanosecond - pulsed laser beams to modify the VO2 and make it magnetic.
The satellites observed the pulses in the wake of an October 2003 magnetic storm triggered by a coronal mass ejection — a plasma spitball shot out by the sun — that slammed into Earth's magnetosphere.
If orientated properly, a hot spot above the magnetic pole of the neutron star may whirl in and out of view for observers on Earth, producing a regular train of radio pulses separated by anything from a few milliseconds to a few seconds.
Researchers apply current pulses in a magnetic field to boost the magnetic ordering, that is, the number of nanoclusters pointing in the same direction.
In order to modulate the functioning of fronto - striatal circuits, the researchers from the lab of Robert Zatorre used a non-invasive brain stimulation technique, transcranial magnetic stimulation (TMS), which uses magnetic pulses to either stimulate or inhibit selected parts of the brain.
ZAPPING the brain with a weak magnetic pulse can wipe out unwanted neural connections in mice at least.
Perminder Sachdev at the University of New South Wales in Sydney, Australia, says it is «very exciting» and also surprising that low - power magnetic pulses can reverse a developmental disorder.
To break this limit in crystal size, an extremely bright X-ray beam was needed, which was obtained using a so - called free - electron laser (FEL), in which a beam of high - speed electrons is guided through a magnetic undulator causing them to emit laser - like X-ray pulses.
It may also find applications in magnetic memory where bits could be stored through local heating with laser pulses.
In the days leading up to some recent moderate - sized earthquakes, instruments nearby have picked up brief low - frequency pulses in Earth's magnetic fielIn the days leading up to some recent moderate - sized earthquakes, instruments nearby have picked up brief low - frequency pulses in Earth's magnetic fielin Earth's magnetic field.
«This paper only makes sense if the observations [of magnetic pulses] are good,» says John Ebel, a seismologist at Boston College, who wasn't involved in the research.
For example, in the weeks before a magnitude - 5.4 quake struck about 15 kilometers northeast of San Jose in October 2007, an instrument near the epicenter sensed a number of unusual magnetic pulses, presumably emanating from deep in the Earth.
In its rotating magnetic field, electrons and positrons are accelerated up to relativistic energies and emit radiation that arrives to our telescopes in the form of pulses every 33 millisecond, each time the neutron star rotates and meets our telescopic sighIn its rotating magnetic field, electrons and positrons are accelerated up to relativistic energies and emit radiation that arrives to our telescopes in the form of pulses every 33 millisecond, each time the neutron star rotates and meets our telescopic sighin the form of pulses every 33 millisecond, each time the neutron star rotates and meets our telescopic sight.
The coil was connected to a capacitor, which discharged an electric current to create a split - second magnetic pulse inside the coil, about 10 times weaker than the magnetic field generated by an MRI machine in a hospital.
Disrupting the fish's internal compass with the magnetic pulse triggered changes in 181 out of the roughly 40,000 genes they examined.
They decided to apply a pulsed magnetic field perpendicularly to the in - plane magnetized domain walls.
With very strong magnetic fields and very fast rotations, some neutron stars blast beams of electromagnetic radiation from their poles, and if Earth is in the path of those beams we can detect the signals as regular «pulses» — hence the name pulsars.
In the presence of the powerful magnetic field, the protons are susceptible to excitation by selective radio frequency pulses.
Kate also played a key leadership role in both the experiments and the manipulation of the data sets in a program of neutron and x-ray diffraction measurements in very high, pulsed magnetic fields.
«Accessing high - power pulsed magnetic resonance at magnetic fields up to 32 Tesla coupled with frequencies up to 4.5 terahertz will create a new frontier in high magnetic field science.»
ELMs may drive repetitive (approx. 1 Hz) pulses of up to 10 percent or more of the plasma stored energy to the walls in ITER while disruptions may completely terminate the discharge, releasing all of the plasma's thermal and magnetic energy into nearby structures and potentially producing a runaway electron population that may cause localized damage.
In the study, published in the Lancet, 82 people who suffer from migraines with aura received a TMS device, and the same number received a fake (or «sham») version of the device, which looked — and vibrated — just like the real thing, but did not deliver the magnetic pulseIn the study, published in the Lancet, 82 people who suffer from migraines with aura received a TMS device, and the same number received a fake (or «sham») version of the device, which looked — and vibrated — just like the real thing, but did not deliver the magnetic pulsein the Lancet, 82 people who suffer from migraines with aura received a TMS device, and the same number received a fake (or «sham») version of the device, which looked — and vibrated — just like the real thing, but did not deliver the magnetic pulses.
In the case of bone healing, PEMF uses electrical energy to direct a series of magnetic pulses through injured tissue whereby each magnetic pulse induces a tiny electrical signal that stimulates cellular repair.
When you are comfortable with the micro pulsing and the ionic colloidal silver, add in magnetic pulsing.
Learn how TMS uses a non-invasive, highly - focused, brief magnetic pulse to stimulate activity in the areas of the brain known to affect mood — without troubling side effects.
Friedman later work found that the rabbits all had large amounts of cortisol in their blood and in their brain caused by these pulsed magnetic fields.
Let us hope they never have to be used in Korea and pray that the threatened EMP (electro - magnetic - pulse) bomb never happens.
ACT - activated clotting time (bleeding disorders) ACTH - adrenocorticotropic hormone (adrenal gland function) Ag - antigen test for proteins specific to a disease causing organism or virus Alb - albumin (liver, kidney and intestinal disorders) Alk - Phos, ALP alkaline phosphatase (liver and adrenal disorders) Allergy Testing intradermal or blood antibody test for allergen hypersensitivity ALT - alanine aminotransferase (liver disorder) Amyl - amylase enzyme — non specific (pancreatitis) ANA - antinuclear antibody (systemic lupus erythematosus) Anaplasmosis Anaplasma spp. (tick - borne rickettsial disease) APTT - activated partial thromboplastin time (blood clotting ability) AST - aspartate aminotransferase (muscle and liver disorders) Band band cell — type of white blood cell Baso basophil — type of white blood cell Bile Acids digestive acids produced in the liver and stored in the gall bladder (liver function) Bili bilirubin (bile pigment responsible for jaundice from liver disease or RBC destruction) BP - blood pressure measurement BUN - blood urea nitrogen (kidney and liver function) Bx biopsy C & S aerobic / anaerobic bacterial culture and antibiotic sensitivity test (infection, drug selection) Ca +2 calcium ion — unbound calcium (parathyroid gland function) CBC - complete blood count (all circulating cells) Chol cholesterol (liver, thyroid disorders) CK, CPK creatine [phospho] kinase (muscle disease, heart disease) Cl - chloride ion — unbound chloride (hydration, blood pH) CO2 - carbon dioxide (blood pH) Contrast Radiograph x-ray image using injected radiopaque contrast media Cortisol hormone produced by the adrenal glands (adrenal gland function) Coomb's anti- red blood cell antibody test (immune - mediated hemolytic anemia) Crea creatinine (kidney function) CRT - capillary refill time (blood pressure, tissue perfusion) DTM - dermatophyte test medium (ringworm — dermatophytosis) EEG - electroencephalogram (brain function, epilepsy) Ehrlichia Ehrlichia spp. (tick - borne rickettsial disease) EKG, ECG - electrok [c] ardiogram (electrical heart activity, heart arryhthmia) Eos eosinophil — type of white blood cell Fecal, flotation, direct intestinal parasite exam FeLV Feline Leukemia Virus test FIA Feline Infectious Anemia: aka Feline Hemotrophic Mycoplasma, Haemobartonella felis test FIV Feline Immunodeficiency Virus test Fluorescein Stain fluorescein stain uptake of cornea (corneal ulceration) fT4, fT4ed, freeT4ed thyroxine hormone unbound by protein measured by equilibrium dialysis (thyroid function) GGT gamma - glutamyltranferase (liver disorders) Glob globulin (liver, immune system) Glu blood or urine glucose (diabetes mellitus) Gran granulocytes — subgroup of white blood cells Hb, Hgb hemoglobin — iron rich protein bound to red blood cells that carries oxygen (anemia, red cell mass) HCO3 - bicarbonate ion (blood pH) HCT, PCV, MHCT hematocrit, packed - cell volume, microhematocrit (hemoconcentration, dehydration, anemia) K + potassium ion — unbound potassium (kidney disorders, adrenal gland disorders) Lipa lipase enzyme — non specific (pancreatitis) LYME Borrelia spp. (tick - borne rickettsial disease) Lymph lymphocyte — type of white blood cell MCHC mean corpuscular hemoglobin concentration (anemia, iron deficiency) MCV mean corpuscular volume — average red cell size (anemia, iron deficiency) Mg +2 magnesium ion — unbound magnesium (diabetes, parathyroid function, malnutrition) MHCT, HCT, PCV microhematocrit, hematocrit, packed - cell volume (hemoconcentration, dehydration, anemia) MIC minimum inhibitory concentration — part of the C&S that determines antimicrobial selection Mono monocyte — type of white blood cell MRI magnetic resonance imaging (advanced tissue imaging) Na + sodium ion — unbound sodium (dehydration, adrenal gland disease) nRBC nucleated red blood cell — immature red blood cell (bone marrow damage, lead toxicity) PCV, HCT, MHCT packed - cell volume, hematocrit, microhematocrit (hemoconcentration, dehydration, anemia) PE physical examination pH urine pH (urinary tract infection, urolithiasis) Phos phosphorus (kidney disorders, ketoacidosis, parathyroid function) PLI pancreatic lipase immunoreactivity (pancreatitis) PLT platelet — cells involved in clotting (bleeding disorders) PT prothrombin time (bleeding disorders) PTH parathyroid hormone, parathormone (parathyroid function) Radiograph x-ray image RBC red blood cell count (anemia) REL Rocky Mountain Spotted Fever / Ehrlichia / Lyme combination test Retic reticulocyte — immature red blood cell (regenerative vs. non-regenerative anemia) RMSF Rocky Mountain Spotted Fever SAP serum alkaline phosphatase (liver disorders) Schirmer Tear Test tear production test (keratoconjunctivitis sicca — dry eye,) Seg segmented neutrophil — type of white blood cell USG Urine specific gravity (urine concentration, kidney function) spec cPL specific canine pancreatic lipase (pancreatitis)-- replaces the PLI test spec fPL specific feline pancreatic lipase (pancreatitis)-- replaces the PLI test T4 thyroxine hormone — total (thyroid gland function) TLI trypsin - like immunoreactivity (exocrine pancreatic insufficiency) TP total protein (hydration, liver disorders) TPR temperature / pulse / respirations (physical exam vital signs) Trig triglycerides (fat metabolism, liver disorders) TSH thyroid stimulating hormone (thyroid gland function) UA urinalysis (kidney function, urinary tract infection, diabetes) Urine Cortisol - Crea Ratio urine cortisol - creatine ratio (screening test for adrenal gland disease) Urine Protein - Crea Ratio urine protein - creatinine ratio (kidney disorders) VWF VonWillebrands factor (bleeding disorder) WBC white blood cell count (infection, inflammation, bone marrow suppression)
One of the most magnetic works in «Michael Boyd, That's How the Light Gets In: 1970 - 1972» is Azimuth (1972), its glowing golden core retaining an elemental purity while the delicately modulated lunar blue and lilac pulse around the peripherin «Michael Boyd, That's How the Light Gets In: 1970 - 1972» is Azimuth (1972), its glowing golden core retaining an elemental purity while the delicately modulated lunar blue and lilac pulse around the peripherIn: 1970 - 1972» is Azimuth (1972), its glowing golden core retaining an elemental purity while the delicately modulated lunar blue and lilac pulse around the periphery.
People who acknowledge the temperature rise but attribute it to undersea volcanic action or electro - magnetic pulses from the ionosphere despite having no evidence and in the face of clear scientific evidence eliminating their favored explanation are crackpots.
The purpose appears to be to assess the impact of high altitude nuclear explosions on radio transmission and radar operations because of the electro - magnetic pulse (EMP), and to increase understanding of the geomagnetic field and the behaviour of the charged particles in it.
The prayer will work for everyone when the Sun's next EMP (electro - magnetic pulse) or CC (cosmic cough) engulfs planet Earth — as happened on 1 Sept 1859 and in 775 AD,
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