Gamma irradiator design

Manowitz, B., Bretton, R. H., Galanter, L., Rizzo, F. X., Computational Methods of Gamma Irradiator Design, Brookhaven National Laboratory, BNL 889 (T-361) (December 1964). 

Conveyors There must always be some mechanism within industrial gamma irradiators for moving product around the source and in and out of the cell. On the basis of the type of conveyor used, gamma irradiators may be designed for continuous or batch operation. 

There are broadly two types of product handling conveyors used in cobalt-60 gamma irradiators, conveyor bed designs and carrier designs. 

Developed by Shilesh Jani, Victoria Good, and cowoikers at Smith Nephew, XLPE was introduced into the US orthopedic market for I llA in 2001. XLPE used in the hip is produced from ram extruded GUR 1050, gamma irradiated with a dose of 100 kGy, and remelted (Eigure 20.1). XLPE is available in the Reflection and R3 acetabular cup designs. 

Both flie design and operation of commercial nuclear power plants are planned with the safety of the public foremost in mind. Therefore, plants rely on multiple barriers to protect the public from flie highly radioactive fuel and the multitude of radioactively hot materials created in the core. While the fuel itself is obviously radioactive, normally nonradioactive materials can also become hot by neutron absorption and gamma irradiation while inside the core. 

Another aspect of designing a C. ele [ans screen is whether to feed the worms with live or dead bacteria. Worms prefer feeding on living bacteria. We have verified that the bacteria in the below described C. ele [ans liquid culture conditions do not grow, as there are no nutrients for bacterial growth in the media. However, it is likely that bacteria will metabolize some of the library compounds. Furthermore, some library compounds could affect the bacteria, causing potential indirect effects on the worms [2], The most effective way to prepare dead bacteria is by gamma irradiation with... 

HS(G)94 Safety in the design and use of gamma and electron irradiation facilities... 

TFEt Tetryl 2,4,6-Trinitrophenyl-/S,j8,j8 trifluoroethylnitramine are reported by Avrami et al (Ref 2). Their behavior at different exposure levels is compared with the behavior of the parent compds, TNB TNT RDX HMX are also included as controls. The determinations made on each expl were wt loss, vacuum, stability, mp, IR spectra, DTA, TGA, impact sensitivity, expln temp, and rate of detonation as a function of total gamma exposure. A brief description of the expln-containment irradiation capsule designed used in these studies is also given... 

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