منابع مشابه
William Henry Welch (1850-1934): the road to Johns Hopkins.
William Henry Welch's selection in 1884 as the first faculty member of the new medical school at Johns Hopkins created the invigorating atmosphere that generated the revolutionary changes in medical training and laboratory medicine that transformed medicine in America. Dr. Welch's family traditions, his New England upbringing, Yale education, and German university experience prepared a unique i...
متن کاملAcoustical and physical dynamics of the diatonic harmonica.
The harmonica is arguably the most widely played instrument in the world, yet there is a surprising paucity of published studies of its acoustics or physical dynamics. The typical diatonic harmonica and the physical forces involved in its natural function are described, and simple observations of the harp's functions are reported. The speaking of the reeds, naturally, when producing a bend, and...
متن کاملFormant Analysis of Altered Notes in a Diatonic Harmonica
59 Professional diatonic harmonica players are able to play half-step notes which are not in the standard frequency settings using bending techniques. By changing the shape of the vocal tract, the timbre of the sound changes and the notes bend. This way, players are able to play a full chromatic scale by using altered notes. This paper tries to explain the altered notes phenomenon in terms of f...
متن کاملHenry Ormerod
at the age of 68, belonged to a family of surgeons. He was educated at the Bristol Royal Infirmary and Medical School, and very soon after qualifying he settled at Westbury. Although his capacity for work was immense, yet in the early years of his practice he had more than one attack of haemoptysis, and it was his opinion that leading a country open-air life had been the means of warding off mo...
متن کاملHenry Wellcome
fo'c'sle-study running his naval household with the aid of an Admiralty of natural history suppliers and breeders, as well as experts like Lyell, Hooker and the young Huxley in every port. Beatrice Webb once likened Herbert Spencer to a spider collecting facts on the theoretical web he was spinning; the image equally well suits Darwin. A pleasure to read, this exciting new biography deepens our...
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ژورنال
عنوان ژورنال: The Journal of Thoracic and Cardiovascular Surgery
سال: 2004
ISSN: 0022-5223
DOI: 10.1016/j.jtcvs.2004.07.034