Proceedings of the International School of Physics "Enrico Fermi.", Volume 76N. Zanichelli, 1981 - Nuclear physics |
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Page 417
... direction to the ultrasonic beam across the patient . A two - dimensional image is formed by storing the displayed echoes as the probe is moved across the patient . plane and which links the direction and position of a B - scope time ...
... direction to the ultrasonic beam across the patient . A two - dimensional image is formed by storing the displayed echoes as the probe is moved across the patient . plane and which links the direction and position of a B - scope time ...
Page 429
... direction , a phase quadrature detector [ 10 ] followed by logic circuitry to indicate whether the movement is in the forward or reverse direction would be satisfactory . ( This is the method employed in many commercially manufac- tured ...
... direction , a phase quadrature detector [ 10 ] followed by logic circuitry to indicate whether the movement is in the forward or reverse direction would be satisfactory . ( This is the method employed in many commercially manufac- tured ...
Page 442
... direction ( d2 P / d ( hv ) 2 ) is valuable for evaluating penetration power , image contrast , absorbed dose or energy imparted to a detector or patient , the effect of a scattered radiation grid , etc. After a short review of the ...
... direction ( d2 P / d ( hv ) 2 ) is valuable for evaluating penetration power , image contrast , absorbed dose or energy imparted to a detector or patient , the effect of a scattered radiation grid , etc. After a short review of the ...
Contents
A R D THORNTON | 1 |
Physicists and clinicians | 5 |
The Fourier transform properties of an image | 12 |
Copyright | |
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alveolar amplitude analysis aorta aortic approximately arterial pressure arterial system attenuation value basilar membrane beam blood flow blood pressure C₁ capillary cardiac output circulation clinical cm³ CO₂ cochlea cochlear compartment compliance components computed tomography concentration constant counting rate cross-section cuff decrease detector diameter diastolic distribution effect elastin electrode energy equation filter fluid Fourier transform frame frequency function haemoglobin hair cells halothane heart rate impulse response increase left heart linear linear-attenuation coefficient lung manometer measured medical physics membrane method mmHg muscle normal obtained oxygen P₁ P₂ pacemaker patient peripheral resistance photons physicist physiological pulmonary pulsatile pulse ratio region Rendiconti S.I.F. sample scan scanner segment shown in fig shows signal stroke volume systolic techniques tissues transducer transmural pressure tube ultrasonic V₁ velocity venous system ventilation ventricle ventricular vessel viscoelastic volume wall wave form Windkessel X-ray zero