buildup


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buildup

An increase in absorbed dose of radiation with depth below the surface in a radiated material by a beam of X-rays or gamma rays.
 
Types
Electron buildup—Due to an increasing electron flux in the material, which is more important for high energy beams.

Photon buildup—Due to scattering in broad beams of radiation.
References in periodicals archive ?
But with buildup situations, I have found that all I can really do is try to protect the cavities with a coating and reduce the intervals for cleaning.
For equity split-dollar (employee participates in the cash value buildup), the tax treatment will depend on whether the employer decides to treat the cash value buildup as a transfer of property or consider the premium payments on behalf of the employee as an interest free loan.
58 rates; because there may have been a buildup in a policy's CSVs, the surviving spouse may find the gift costs associated with the policy dramatically increased.
Peak inertial force during torque buildup (PIP) was significantly influenced [TABULAR DATA FOR TABLE 2 OMITTED] by target torque and torque buildup time.
Increasing draw down and take off rates will reduce die swell, which will reduce die lip buildup (8).
All that remained was to find a formula with a benefit buildup pattern that was balanced among all groups--that is, more than the traditional final average but less than cash balance at younger ages (in cash terms), while more than cash balance but less than an equal cost traditional final average pay plan at the later ages (in terms of the annuity that can be obtained).
During the transport of oil, the tankers accumulate a vast amount of oil waste buildup, which costs millions of dollars in cleanup fees and downtime.
Applying mold release or silicone to the die exit area after cleaning can reduce the rate of buildup and extend the time between cleanings.
In some cases the buildup of plaque can be treated with angioplasty, a method of opening blocked arteries and restoring the flow of blood to the heart.
any cash surrender buildup in the policies that exceeds the amount that is returnable to [the corporation that paid the insurance premiums] when the arrangement is discontinued.
The conventional wisdom was that Weinberger, who had served with apparent distinction in such key jobs as director of the OMB and secretary of HEW in the Nixon-Ford years, was the right choice to manage the defense buildup begun by Carter and certain to be continued by the hard-line Reagan administration.