x-ray machine
x-ray machine is to produce X-ray equipment,
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X-ray generation manner
braking radiation (Bremsstrahlung) and characteristics of radiation ( Characteristic). Braking radiation: high-speed electronic sudden deceleration, its kinetic vigor to be released in the fashion of X-ray; characteristic radiation: high-speed electron shock of atoms and electrons in external orbit, so that free and loosen energy, which the X-ray.
x-ray machine the basic principles of
X-ray by German professor Wilhelm Conrad Roentgen discovered in 1895. Issued by the vacuum tube that can penetrate the body of radiation, the energy in the electromagnetic spectrum than visible light intensity, shorter wavelength, higher frequencies are alike to the cosmic ray radiation,
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have to have X-Ray X-ray tube, while the basic structure of X-ray tube must have:
cathode filament (Cathod)
anode (Anode)
vacuum tube (Evacuated cup envelope)
of way,
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X-ray making in 2 ways
Bremsstrahlung (braking radiation) later high-speed electronic sudden deceleration, the kinetic energy into energy released, this energy is the X-ray, and this energy will slow forward with the degree varies.
Characteristic (characteristic radiation) and marginal high-speed electron impact atomic orbit electrons to free and release of energy,
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diagnostic X-ray means the proportion of its production: 30% 70% braking characteristics of radiation
X-Ray Radiation Characteristics of
can see the object is no apparent among a wavelength in the electromagnetic spectrum of light dispersing for a broad scope of straightforward fluorescent substances can occasion light radiating to make photographic movie line
while the xray into the object, there are 3 situations arise:
to be absorbed by the object (Absorption)
scattering is generated (Scatter)
penetration (Penetration)
of Radiographic Quality of three elements:
Density (black degree) - mAs
Contrast (Contrast) - kVp
Sharpness (resolution) - film, Geometric
Distortion (THD) - rank, angle
X-Ray Film on the wavelength and the relationship between contrast
in the X-ray penetration via the patient,
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short wavelength X-ray (high kV)
high energy, penetrating well,
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long-wavelength X-ray (cheap kV)
lower energy, more easily sponged along the body, penetrating meager compare in the Film on the lofty (High compare).
application
X-ray machine is widely accustomed in medicinal and health, science education, industrial fields, such for X-ray machine tin be accustomed in hospitals to facilitate doctors to diagnose ailment, non-destructive testing for industrial,
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