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Titlebook: Laser Lithotripsy; Clinical Use and Tec Rudolf W. Steiner Conference proceedings 1988 Springer-Verlag Berlin Heidelberg 1988 X-ray.kidney.o

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41#
發(fā)表于 2025-3-28 18:38:17 | 只看該作者
Conference proceedings 1988shockwave treatment. This book gives for the first time a complete overview of laser lithotripsy combining a critical comparison of the methods and a thorough evaluation of instrumental developments and clinical applications. Readers from the medical as well as from the engineering side will find it
42#
發(fā)表于 2025-3-28 19:48:16 | 只看該作者
A Survey of the Action of Lasers on Stones,stone surface. A plasma is formed just beyond the tip of the fibre only when there is sufficient absorption. By selecting the wavelength at close to 500 nm there is maximal differential absorption so that a plasma forms readily at the stone surface but not at the ureteric wall.
43#
發(fā)表于 2025-3-29 00:49:04 | 只看該作者
Shock Wave Exitation by Laser Induced Breakdown (LIB): Pressure Measurements with a PVDF Needle Prore waves are produced by LIB in fluids. The laser light provokes formation of a plasma bubble in form of hot gas which consists of free electrons and ions, MEYER /3/. The tendency of the hot gas to expand on the one hand, and the hydrostatic pressure of the fluid on the other hand, leads to an oscillation of the bubble.
44#
發(fā)表于 2025-3-29 04:15:14 | 只看該作者
Devices for Intracorporal Laser-Induced Shock-Wave Lithotripsy (ILISL),to acoustic Shockwave energy by means of special optical devices or opto-acoustic couplers. These systems are combined with miniaturized acoustic reflectors which direct the Shockwaves towards the calculus. An essential feature of these devices is their endoscopic applicability.
45#
發(fā)表于 2025-3-29 11:11:50 | 只看該作者
A More Effective Method of in vitro Urinary Stone Disintigration Using the Nd:YAG Laser,ntrance or smaller are sucked to the water chanal. By variation of the entrance size of the tube system, the fragment size of the urinary calculi can be determined before starting disintigration. The method described by us allows stone disintigration into very small uniform particles (100 – 200 μm, intensity of laser radiation I= 10. W/cm.).
46#
發(fā)表于 2025-3-29 12:07:38 | 只看該作者
corporeal shockwave treatment. This book gives for the first time a complete overview of laser lithotripsy combining a critical comparison of the methods and a thorough evaluation of instrumental developments and clinical applications. Readers from the medical as well as from the engineering side wi
47#
發(fā)表于 2025-3-29 16:23:42 | 只看該作者
48#
發(fā)表于 2025-3-29 21:38:26 | 只看該作者
49#
發(fā)表于 2025-3-30 00:20:40 | 只看該作者
G. M. Watsonts data and programming models. Scientific data is typically stored as multidimensional arrays, while MapReduce is based on key-value (KV) pairs. Applying MapReduce to analyze array-based scientific data requires a conversion of arrays to KV pairs. This conversion incurs a large storage overhead and
50#
發(fā)表于 2025-3-30 04:31:20 | 只看該作者
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