منابع مشابه
/ 03 02 03 8 v 2 2 O ct 2 00 3 BUDKER - INP 2003 - 15 LC - M - 2003 - 062 IS A LASER WIRE A NON - INVASIVE METHOD ? ∗
A tightly focused laser beam (laser wire) is used for measurement of transverse electron beam sizes in storage rings and linear colliders. It is assumed that the laser beam does nothing with the electron beam except Compton scatter-ings which happen with a rather small probability. In reality , electrons crossing the laser beam get kicks (with 100% probability) proportional to the square of the...
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Objective: We developed a simple non-invasive I-123-N-isopropyl-p-iodoamphetamine (123I-IMP) quantification method by analyzing chest RI-angiography and single photon emission computed tomography (SPECT) images based on the microsphere model (SIMS method). Theoretically, the SIMS method could be changed to the simple non-invasive ARG (SIARG) method by modifying the integrated washout ratio (WR)...
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An initial experimental study was conducted to evaluate the effects of binaural beats on fish growth performance. A 90-day trial with four triplicate groups was conducted with 240 zebrafish, Danio rerio, under aquarium conditions. Binaural beat file complexes were played for each aquarium using computer controlled directional speakers for 0 min d-1(Control), 90 min d-1(Group 1), 180 min d-1 (Gr...
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Tunable terahertz lasers are desirable in applications in sensing and spectroscopy because many biochemical species have strong spectral fingerprints at terahertz frequencies. Conventionally, the frequency of a laser is tuned in a similar manner to a stringed musical instrument, in which pitch is varied by changing the length of the string (the longitudinal component of the wave vector) and/or ...
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Background and purpose: In the last months of 2019, the new coronavirus infection (COVID-19) spread worldwide. This study investigated the need for mechanical ventilation in children who were admitted for COVID-19. Materials and methods: This article provides a systematic review of studies about children with COVID-19 requiring invasive or non-invasive mechanical ventilation. Electronic databa...
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ژورنال
عنوان ژورنال: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
سال: 2003
ISSN: 0168-9002
DOI: 10.1016/j.nima.2003.08.119