definition of hysteresis j
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What is hysteresis (in circuits) and why is it important? Hysteresis means a change in the transfer characteristics of a circuit, usually amplifier circuits. It is particularly useful when you have a comparator amplifier that compares the voltage between its two inputs and then decides an output based on the result.
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10 Psychology Courses Psych Majors Should Take In order to understand contemporary psychology, it is important to look back at the origins and influences on this science. Courses on the history of psychology generally begin with the subject's ancient philosophical origins and explore the contributions of major thinkers up through the modern-day.
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- Planet of the Damned Harry Harrison. A well-known example of hysteresis is presented by the case of permanent magnets. Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 3 Various. But if such is the case I attribute it solely to the hysteresis and Foucault current losses in the core.
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- Email. Print. Myasthenia gravis is a neuromuscular disorder that causes weakness and fatigue in the muscles that control voluntary movement in the body. The weakness is caused by a disruption in the communication between the muscles and the nerves that control them.hile myasthenia gravis can affect any voluntary muscles in the body, most patients will first notice its effects in the muscles that control the movement of the eyes and eyelids. The weakening of these muscles can result in droopy eyelids, double vision and partial paralysis of eye movements.
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Creutzfeldt-Jakob disease Creutzfeldt-Jakob disease (CJD) is a form of brain damage that leads to a rapid decrease of movement and mental function. CJD is caused by a protein called a prion. A prion causes normal proteins to fold abnormally. This affects other proteins' ability to function. CJD is very rare.
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supercool To cool a substance below a phase-transition temperature without the transition occurring. For example, water can be cooled well below the freezing point without freezing (as often happens in the upper atmosphere); the introduction of an impurity or surface can then trigger freezing. Supercooling is an example of hysteresis.
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wireless Share this item with your network: Wireless is a term used to describe telecommunications in which electromagnetic waves (rather than some form of wire) carry the signal over part or all of the communication path. Some monitoring devices, such as intrusion alarms, employ acoustic waves at frequencies above the range of human hearing; these are also sometimes classified as wireless.
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UNITED STATES DEPARTMENT OF LABOR Per 1910.106(d)(3)(ii), storage cabinets must be designed and constructed to limit the internal temperature to not more than 325°F when subjected to a 10-minute fire test and the cabinets must be labeled in conspicuous lettering, Flammable - Keep Fire Away. 1910.106(d)(3)(ii)(a) states that metal cabinets must be constructed in the following ...
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axonal degeneration ax·o·nal de·gen·er·a·tion. a type of peripheral nerve fiber response to insult, wherein axon death and subsequent breakdown occur, with secondary breakdown of the myelin sheath associated; caused by focal injury to peripheral nerve fibers; often referred to as wallerian degeneration.
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What is Hypokinesis? Rating Newest Oldest. Best Answer: Hypokinesis means slow movement. In echocardiography it is used to describe a region of the heart muscle which is contracting lesser than the other regions. If you apply the literal meaning to the whole body, decreased movements (lack of exercise) can lead to weight gain.
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miosis miosis (plural mioses) Contraction of the pupil of the eye. Horner's syndrome consists of typically unilateral miosis and eyelid ptosis, and absent forehead sweating.
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- Isaac's syndrome is an immune-mediated peripheral motor neuron disorder characterized by continuous muscle fiber activity at rest resulting in muscle stiffness, cramps, myokymia, and pseudomyotonia.
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Hysteresis The cycle may be continued so that the graph of the flux density lagging behind the field strength appears as a complete loop, known as a hysteresis loop. The energy lost as heat, which is known as the hysteresis loss, in reversing the magnetization of the material is proportional to the area of the hysteresis loop. Therefore, cores of transformers are made of materials with narrow hysteresis loops so that little energy will be wasted in the form of heat.
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hysteresis In magnetic hysteresis different values of the magnetic moment M correspond to the same value of the external magnetic field intensity H. This nonuniqueness is due to the influence of the states of the sample that precede the given state (that is, to the magnetic prehistory of the sample).
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- The researchers, led by Professor Kiyonori Suzuki at Monash University, Australia, and Professor Karl G. Sandeman at CUNY-Brooklyn College, US, and Imperial College London, UK, have published their paper on the extraordinary heating effect of the magnetic material in a recent issue of Applied Physics Letters.his magnetic retention is an example of hysteresis, an effect in which the present state of a system is influenced by its past states. The scientists explain that the large heating power of La-Fe-Si-H is primarily due to the presence of thermomagnetic hysteresis near its Curie temperature.
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- hypometria hy·po·me·tri·a (hī'pō-mē'trē-ə) n. An ataxic muscle disorder marked by underreaching an intended object or goal.
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- Definition of diaeresis. plural. diaereses. play \-ˌsēz\. 1 : a mark ¨ placed over a vowel to indicate that the vowel is pronounced in a separate syllable (as in naïve or Brontë) — compare umlaut. 2 : the break in a verse caused by the coincidence of the end of a foot with the end of a word.
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- What is magnetic hysteresis and why is it important? Electrical Engineering: Do memresistors have hysteresis? Can we have magnetic hysteresis in paramagnetic and diamagnetic substances?
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Hysteresis The lack of retraceability of the magnetization curve is the property called hysteresis and it is related to the existence of magnetic domains in the material.
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- Thin filaments alone form light I bands. The H band, within the A band, is where there is no overlap. The Z-line is a dark line within the I bands. Two Z-lines delimit the unit of muscle contraction - the Sarcomere. During muscle contraction, sarcomeres shorten, the distance between. Z-lines decreases - the width of the H and I-bands also decreases.
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- The viscosity-shear rate curve forms a hysteresis loop and the hysteresis can be repeated indefinitely. This is a way to distinguish between true and apparent rheopectic behavior-fluids that change physically or chemically (gelling, solvent evaporation) while a shear is imposed also experience a viscosity increase.
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Definitions &Translations Freebase(0.00 / 0 votes)Rate this definition: Myotonia congenita. Congenital myotonia, is a genetic, neuromuscular channelopathy that affects skeletal muscles. The disease was first described by Dansih/German physician Julius Thomsen in 1876, who himself suffered from the disease.
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Hypokinesis of the heartJerebel May 28, 2010 Page 1 of 1. kenkeith. Hypokinesis is an impairment of heart wall movement and often the result of blood perfusion to the location of the impairment. The seriousness relates to the degree of impairment, location, and underlying cause. How was the diagnosis of hypokinesis determined?
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"Meaning of ""bradykinesia"" in the English dictionary" Hypokinesia refers to decreased bodily movement. One of the two categories of movement disorders, hypokinesia is characterized by a partial or complete loss of muscle movement due to a disruption in the basal ganglia.Patients with hypokinetic disorders like Parkinson's disease experience muscle rigidity and an inability to produce movement.ypokinesia refers to decreased bodily movement. One of the two categories of movement disorders, hypokinesia is characterized by a partial or complete loss of muscle movement due to a disruption in the basal ganglia.
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How Much Do You Earn in Political Science? Wage levels of Graduates Holding a Ph.D. in Political Science. In 2010, the salary of an individual who had a political science doctoral degree ranged between $23,930 and $91,136, the average annual wage drawn by such individual was $53,313. Industries Hiring Political Science Graduates.
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Myasthenia gravis Myasthenia gravis (MG) is a long term neuromuscular disease that leads to varying degrees of muscle weakness. The most commonly affected muscles are those of the eyes, face, and swallowing. It can result in double vision, drooping eyelids, trouble talking, and trouble walking. Onset can be sudden.