نتایج جستجو برای: thomson
تعداد نتایج: 5005 فیلتر نتایج به سال:
BACKGROUND Rothmund-Thomson syndrome is a rare genetic condition exhibiting some dermatological, craniofacial, ophthalmological, and central nervous system abnormalities. CASE DESCRIPTION A 51-year-old male patient, diagnosed with Rothmund-Thomson syndrome, attended to our outpatient clinic with complaint of unhealing wound in lower part of his left leg. Over this period, he had received vari...
In this paper we report simulation studies of equilibrium features, namely, circular islands on model surfaces, using Monte Carlo methods. In particular, we are interested in studying the relationship between the density of vapor around a curved island and its curvature. The ‘‘classical’’ form of this relationship is the Gibbs-Thomson formula, which assumes that the vapor surrounding the island...
I calculate the emission expected from a Poynting-flux-dominated gamma-ray burst (GRB) flow in which energy is dissipated gradually by magnetic reconnection. In this picture, the energy of the radiating particles is determined by heating and cooling balance (slow heating model). Detailed radiative transfer calculations show that, at Thomson optical depths of order of unity, the dominant radiati...
After the discovery of the electron by J.J. Thomson [1], it was natural to consider that electrons are constituents of atoms, but if electrons in an atom are small electric charges moving in circular orbits, they would emit electromagnetic radiation and the radius of the orbit would quickly collapse to zero. In 1903, Thomson pointed out [3, 4] that a uniform ring of electric charge, rotating ab...
H+3 was discovered by J. J. Thomson (1911), who spent most of his research life on studies of the discharges of electricity through gases. He studied negative (cathode) rays and discovered the electron in 1897; he then studied positive (canal) rays, extending Wien’s work, and identi ed the proton. When Aston became his assistant in 1910, an early prototype of a mass spectrometer resulted and H...
I would like to comment on an article by Thomson [1] recently published in Dentistry Journal.[...].
Wernicke’s encephalopathy (WE) is a serious medical emergency whose pathogenesis is well understood and reviewed in this paper. Summarizing the evidence for its prophylaxis and management, the authors suggest that, in the UK, there is evidence that many patients identified as being at risk of WE currently do not receive appropriate treatment, despite the availability (not universal) of guidelin...
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