time-of-flight techniques
High resolution, high sensitivity tandem mass spectrometry of macromolecules using time of flight techniques
... kinetic energy to that o f the smallest fragments. If a conventional ion mirror were to be used, it would have to be scanned to achieve acceptable resolution for ions of all masses. Such an approach would defeat the ...
294
Identification of Intraplaque Hemorrhage on MR Angiography Images: A Comparison of Contrast Enhanced Mask and Time of Flight Techniques
... The CE-MRA mask images can detect IPH with excellent reli- ability and accuracy at 3T, without requiring additional imag- ing time beyond that needed to measure stenosis. Radiologists should include the ...
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Intracranial MR angiography: a direct comparison of three time of flight techniques
... Better visualization of the small, distal branches of the posterior cerebral artery with the single-volume technique than with the multiple thin-volume method , noted in 13 subjects in t[r] ...
7
Comparison of Carotid Plaque Ulcer Detection Using Contrast Enhanced and Time of Flight MRA Techniques
... MRA in an average of 33% of vessels with ulcerated plaques de- tected on CE-MRA. For the 1 ulcer missed on CE-MRA but de- tected on TOF-MRA by both readers, the CE-MRA IQ score was 1, because of motion and low arterial ...
8
Recent developments in time-of-flight PET
... of time-of-flight, the difficulties in detector technology and electronics to obtain a good and stable timing resolution are shortly ...the time difference motivates a shift from sinogram- to ...
30
High Accuracy Time of Flight Measurement Using Digital Signal Processing Techniques for Subsea Applications
... idth ultrasonic transducers used for subsea applications. In fact, the received echoes cross the threshold level after some time delay (i.e. after the exact beginning due to processing delays), as shown in Figure ...
6
Remote techniques for time of flight flaw characterisation
... The heat conduction model was extended by Dabby and Paek ( 1972 ) to include vapourisation o f the front part o f the solid surface. The temperature variation as a function o f time and distance into the solid was ...
332
MR Imaging: Influence of Imaging Technique and Postprocessing on Measurement of Internal Carotid Artery Stenosis
... examination time. On the other hand, non-CE techniques like 3D time-of-flight MRA (3D-TOF-MRA) are having a renaissance because of an in- creasing number of reports about the adverse effects ...
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Comparison of Matrix Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry and Molecular Biology Techniques for Identification of Culicoides (Diptera: Ceratopogonidae) Biting Midges in Senegal
... a time-consuming procedure, and it is a very difficult task in many cases even for expert taxonomists (28) because of faint characteristics or intraspecific variability ...
9
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 ...other techniques are fall down therefore ...
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Deep Inspection of the Noise in WiFi Time-of-Flight Echo Techniques
... We then study the distribution of the PHY SIFS time varying the chipset and the modulation. The empirical cu- mulative distribution function (ECDF) for the three target stations is plotted in Fig. 8. We observe ...
8
Kinematics analysis of selected rhytmic gymnastic leaps
... During flight phase, technical figures are performed by the ...the techniques of rhythmic ...reaction time, explosive leg power and average jump height in elite level gymnasts for leap training ...
8
Rapid Prototyping and 3 D Scanning in Designing of Orthopaedic Product
... A laser team of high power is used for melting and fusing the material which is in the powdered form. Counter rotating roller is used to distribute the powder in an appropriate quantity. The laser team's cross hatching ...
5
Anatomical variations and dimensions of arteries in the anterior part of the circle of Willis
... head with 40 mm saturation at the head end, field of view 180 × 158 and 256 matrix size. All MRA were evaluated by using native source images and maxi- mum intensity projections (MIP) images. These axial source images ...
8
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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Normal Variants of Circle of Willis in MR Angiography among Puducherry Population
... 3-dimensional time of flight Magnetic resonance angiography in examination of the circle of ...dimensional time of flight Magnetic resonance angiography in detection of small communicating ...
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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] ...
213
Preparing the leg for ground contact in running: the contribution of feed forward and visual feedback
... The functional role of different modulation and adaptation strategies can be interpreted in the context of reduced biomechanical models of hopping and running. While the most reduced models of walking and running – ...
7
3D High Spatial Resolution Cerebral MR Venography at 3T: A Contrast Dose Reduction Study
... imaging techniques make possible increased coverage and sequence performance compared with traditional denser k-space sampling strategies, 15-17 albeit at a cost in signal ...
7
Simulation and Optimization of Control of Selected Phases of Gyroplane Flight
... Aircraft flight altitude (H) vs time (t) during the jump takeoff, for the initial and optimized 327. procedures of gyroplane-flight control[r] ...
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