56,042 research outputs found
John S Helms, MD
No full textDr. John S. Helms arrived in Palmetto in September, 1896 wearing, according to legend, a homemade suit. He noticed the children he saw were pale and lackluster. After much research, he diagnosed the parasite hookworm, which thrives in warm, moist climates and causes severe anemia and possible death. He wrote his prescriptions in Latin and had to get Dr. Milton Taylor to come to Palmetto and open a drug store with him. He married Annie Howze of Palmetto and the family moved to Tampa around 1911
Appearance before Senate Committee testifying on the destruction of poisons developed by the CIA
No full textRichard Helms appears before a Senate Committee testifying on the destruction of poisons developed by the CIA. With the voices of Richard Helms, Howard Baker, Frank Church, Walter Huddleston, Thomas Karamessines, Charles Mathias, Walter Mondale, Robert Morgan, Frederick Schwartz, Richard Schweiker, and John Tower
Simultaneous measurement of saturation and relaxation in human brain by repetitive magnetization transfer pulses
No full textMagnetization transfer (MT) by equidistant pulse trains can be described as being analogous to progressive partial saturation, where 'direct' saturation of water is amplified by MT contributions that are dependent on macromolecular content and differential saturation. This concept was applied to study the transition to steady state in the human brain using similar MT-pulses as in imaging. Up to 41 bell-shaped MT-pulses of 12 ms duration were applied at frequency offsets between 0.5 and 15 kHz with flip angles between 1080 and 1440degrees. Central white and parietal gray matter was studied in human subjects using STEAM for localized read-out (TE = 30 ms, TM = 13.7 ms). The apparent degree of saturation, delta(app), and the longitudinal relaxation of the water pool during the pulse repetition period (PR) were fitted to the transient behavior after signal correction for cerebro-spinal fluid. PR was varied between 15 and 100 ms to assess the PR-dependence of the fitted parameters. The MT-term in delta(app) exceeded the direct saturation and attained its maximum at PR greater than or equal to 100 ms. The macromolecular pool was only partially saturated by a single MT-pulse. The offset may be increased to 2.5 kHz to reduce direct saturation without sacrificing NIT in white matter. The estimated relaxation rates (1.04 +/- 0.11 s(-1) in WM; 0.76 +/- 0.13 s(-1) in GM) were faster than are commonly observed at 1.5 T. The apparent saturation is a measure for MT that is not confounded by relaxation. To maximize MT in brain tissue, MT-pulses should be applied at PR 100 ms or longer. At shorter PR, a larger steady state satuation is obtained at the cost of increased contributions from direct saturation. Since this accelerates the convergence, PR should be decreased to reach the steady state within a specified time. A faster transition can always be achieved at a reduced frequency offset via increased direct saturation. Copyright (C) 2004 John Wiley Sons, Ltd
Variations on the Author
No full text“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Helms, Benjamin (LG 175)
No full textFinding aid and full scan (Click on Additional Files below) for Manuscripts Land Grant 175. Copy of a land grant, 10 June 1799, by which James Garrard, Governor of the Commonwealth of Kentucky, granted to Benjamin Helms and Thomas McIntire, assignees of Richard Harrison, by his attorney John Harrison for one moiety, and to Richard Harrison for the other moiety, 560 acres in Hardin County, Kentucky
Interaction of exchange and differential relaxation in the saturation recovery behavior of the binary spin-bath model for magnetization transfer
No full textMost closed-form analytical solutions of the binary spin-bath are difficult to interpret in terms of underlying physics. The key notions are the presence of a kinetic and a thermal equilibrium and that the time course of saturation recovery under conditions of fast exchange can be understood as conjoint relaxation and lossless transfer. By introducing a suitable parameter, it is shown how exchange and differential relaxation counteract each other: the amount of transferred saturation (transfer term) is altered and the kinetic equilibrium appears slightly disturbed (difference term). Although the factorization formally represents the general solution of saturation recovery in the binary spin-bath, this interpretation applies only to the case of fast exchange and slow relaxation. By calculating the set of parameters for a wide range of hypothetical relaxation rates, it was shown that the difference term is crucial to describe the transition to the slow-exchange limit. The transfer term vanishes as the two pools appear decoupled in this approximation. (C) 2006 Wiley Periodicals, Inc
The road from London to Chichester in com, Suffex : containing 63 mile 2 furlongs vizt. : from ye standard in Cornhill London to Guilford in com Surry ...
No full textRelief shown pictorially.; Road strip map in six sections, with numbered distances along road.; Orientation of north shown in each section..; Derived from John Ogilby's Britannia.; 39 in lower right corner.; Decorative cartouche around title statement
Citizen piece by Portland author John Preston on censorship.
No full textCitizen piece by Portland author John Preston on censorship
Feature article on AIDS by Portland author John Preston.
No full textFeature article on AIDS by Portland author John Preston
Polynesia [cartographic material] /
No full textMap of Polynesia, with eastern Australia as Terra Australis, showing the Pacific islands, population, religions, number of missionaries and native assistants.; Imprint on map: London: Published by John Snow, 35 Paternsoter Row.; Prime meridian: Greenwich.; Plate from: A narrative of missionary enterprises in the South Sea Islands / John Williams. London : Published for the author, by J. Snow, 1837.; Also available in an electronic version via the internet at: http://nla.gov.au/nla.map-rm3970
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