time-of-flight technique
Diagnosis of carotid artery stenosis: comparison of 2DFT time of flight MR angiography with contrast angiography in 50 patients
... We used a 20FT time-of-flight technique to study patients with suspected carotid artery disease and compared the results with those obtained by using intraarterial contrast angiography t[r] ...
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Crack Length Determination by Ultrasonic Methods
... Crack Length From Time-of-Flight Crack length measurement using the technique shown in Figure 1 2 as developed by Silk [5] determines the crack length by the time of flight of the wave d[r] ...
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Evaluation of the Andromas Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry System for Identification of Aerobically Growing Gram Positive Bacilli
... of flight mass spectrometry (MALDI-TOF MS) is a rapid and simple micro- bial identification ...this technique requires a preliminary ex- traction step to identify Gram-positive rods (GPRs), a technical ...
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Time of flight diffraction and imaging (TOFDI)
... new technique known as time of flight dif- fraction and imaging (TOFDI), essentially wideband ultrasonic time of flight diffraction (TOFD) combining B-Scans and cross-sectional ...
197
Time of flight intracranial MR venography: evaluation of the sequential oblique section technique
... The patient data were evaluated through examination of the postprocessed images of multiple projectional views of each measurement, with qualitative assessment of vascular signal intensi[r] ...
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A new time-of-flight mass spectrometer.
... Since this technique has been employed in a variety of manners, it will now be discussed only in general terms. A square wave sweep is applied to whatever parameter is to be varied enabling a mass peak to be ...
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Recent developments in time-of-flight PET
... A time alignment probe (a radioactive source embedded in a plastic scintillator coupled with a PMT) has been proposed for this purpose [70], but this requires a modifica- tion of the existing systems and has ...
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The tethered flight technique as a tool for studying life‐history strategies associated with migration in insects
... Laboratory-based flight systems provide an invaluable tool for studying behaviour in insects that are difficult to observe or track without specialised and expensive technology ...on flight behaviour in ...
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Neutron induced fission of 237Np – status, challenges and opportunities
... cross-sections is needed for studies of waste transmutation and advanced nuclear facilities (reactors, ADS, etc.). However, significant discrepancies exist in neutron-induced reaction experimental data repositories and ...
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Flight Recorders A Technique for the Study of Bird Navigation
... It is of importance to be able to answer this question: a theory of bird homing based on methodical or random search would demand a considerable time spent actually on the wing, while a [r] ...
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Automatic detection, sizing and characterisation of weld defects using ultrasonic time-of-flight diffraction
... domain, time information is lost. If a signal does not change much over time (a stationary signal), then this drawback is not very ...the time-frequency representation of the ultrasonic sig- nal [70, ...
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REVIEW OF VARIOUS ULTRASONIC TECHNIQUES EMPLOYED IN MODERN INDUSTRIES
... NDT technique in the inspection of pipelines in the oil industry [Carvalho et ...and time of flight diffraction (TOFD), three classes of defects can be analyzed: lack of penetration (LP), lack of ...
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Quasielastic neutron scattering experiment on water using TOFLAR (Time Of Flight and LARmor precession) technique at SNS
... Of Flight and LARmor precession) experiment with a Larmor modulation device positioned after the ...standard technique to study quasielastic neutron scattering in ...
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Weighted Centroid Method for Breast Tumor Localization Using an UWB Radar
... the time-of-flight (or time-of-arrival, ToA) of a UWB signal between a transmitter and a receiver (located at known ...measured time-of-flight by the speed of ...the time shift ...
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A Study of T = 1, T = 3/2, and T = 2 States in Some Light Nuclei Using (He^3,n) Reactions
... Among the factors which contribute to the resolution are beam energy resolution, beam burst length, electronic resolution, the total neutron flight time, the flight time of neutrons thro[r] ...
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Focus on Advances in Shape from Focus
... as Time-of-flight (TOF) Sensor. Time of flight sensor are expensive and their range limitation are restricted their utilization to specific ...
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Comparative Analysis of Salinity Induced Proteomic Changes in Cotton (Gossypium hirsutum L )
... of flight-time of flight/MS analysis, 14 differentially expressed proteins were successfully identified, including the ribulose-1, 5-bis- phosphate carboxylase/oxygenase (RuBisco) large ...
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Rapid Prototyping and 3 D Scanning in Designing of Orthopaedic Product
... In LOM technique, web material or paper is used to obtain the cross-section shape of the product using a laser. Feed roll of paper is present to unwound the paper. The unwound paper is staked over the previous ...
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Preparing the leg for ground contact in running: the contribution of feed forward and visual feedback
... information from proprioceptive muscle sensor organs (Pearson, 2004; Pearson and Collins, 1993), e.g. muscle spindles and Golgi tendon organs. Such decentralized proprioceptive feedback can also be responsible for ...
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Anatomical variations and dimensions of arteries in the anterior part of the circle of Willis
... The morphological variations and diameter differ- ences demonstrated in our study providing an impor- tant reference value for the 3D time-of-flight MRA. Our findings show that the configuration of the CW ...
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