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A kymograph consists of a revolving drum wrapped in paper on which a stylus draws to record measured changes of phenomena such as motion or pressure. [1] [2] The kymograph was initially a mechanical and hydraulic device, invented by German physiologist Carl Ludwig in the 1840s, and found its first use as a means to monitor blood pressure. The ...
Depth-kymography is the 3D display of the human vocal fold vibrations by measuring their vertical and horizontal movements simultaneously, using a specially designed 3D endoscope.
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Videokymography is a high-speed medical imaging method to visualize the human vocal fold vibration dynamics. It was invented by Jan G. Švec under the guidance of Harm K. Schutte.
Ravens with a T-28D Trojan at Long Tieng, Laos, 1970. The Raven Forward Air Controllers, also known as The Ravens, were fighter pilots (special operations capable) unit used as forward air controllers (FACs) in a clandestine and covert operation in conjunction with the US Central Intelligence Agency (CIA) in Laos during America's Vietnam War.
Aside from indicating that the Nixon administration might be willing to resume full-scale bombing of North Vietnam, the operation did not achieve very impressive results. [4]: 203 The VPAF campaign aimed precisely at countering the U.S. air interdiction campaign to which the President had keyed all his hopes for success, in making North Vietnam give up the fight and negotiate and in giving ...
Từ điển bách khoa Việt Nam (lit: Encyclopaedic Dictionary of Vietnam) is a state-sponsored Vietnamese-language encyclopedia that was first published in 1995. It has four volumes consisting of 40,000 entries, the final of which was published in 2005. [1] The encyclopedia was republished in 2011.
Ludwig was born at Witzenhausen, near Kassel, and studied medicine at Erlangen and Marburg, taking his doctor's degree at Marburg in 1839.He made Marburg his home for the next ten years, studying and teaching anatomy and physiology, first as prosector to FL Fick (1841), then as privat-docent (1842), and finally as extraordinary professor (1846).