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0030]A collimator ( not shown ) may be positioned in front of detector array 34to preventscattered radiation from contributing to the image
unnecessary radiationcreatesscatter radiation in the image
An x - raycreatesan image using radiation
scancreatesan image with radiation
to detect short wavelength or long wavelength radiation(passive) are usually designedImagers for imaging radiation
A collimator can be placed in front of the detectorto preventscattered radiation from contributing to the image
radiation exposure by the radiation generator(passive) created byradiation fluoroscopic image
A fine - line grid is necessaryto preventimage - fogging by scattered radiation
If the animal is very large a piece of leaded rubber should be placed along the table in front of the animalto preventscattered radiation from affecting the image
reference corresponding pointsare setin a radiation image
a reduction of contrastcausesa reduction of contrast
index of refraction(passive) caused byindex of refraction
damage(passive) caused bydamage
from said regionoriginatingfrom said region
the phosphor plate 32 to emit light to be used for finally record a visible image on a recording material 37 like a photographic filmto causethe phosphor plate 32 to emit light to be used for finally record a visible image on a recording material 37 like a photographic film
in the radiation sensitive layeris createdin the radiation sensitive layer
the emission of electrons which are attracted to the microchannel plate which is maintained at a higher positive potential than the photocathodecausesthe emission of electrons which are attracted to the microchannel plate which is maintained at a higher positive potential than the photocathode
the image brightness(passive) caused bythe image brightness
the influences of blurring(passive) caused bythe influences of blurring
in ultrasound being the initial imaging choice for appendicitis in many centres , especially in paediatric and pregnant patientshas resultedin ultrasound being the initial imaging choice for appendicitis in many centres , especially in paediatric and pregnant patients