Thesis (M.S.)--Rochester Institute of Technology, 2005. / Typescript. Includes bibliographical references (leaves 78-80).

Thesis (Ph. D.)--Carnegie Mellon University, 2005. / "January 13, 2005." Includes bibliographical references.

Thesis (Ph.D.) - University of Queensland, 2006. / Includes bibliography.

Thesis (Ph. D.)--University of Texas at Austin, 2007. / Vita. Includes bibliographical references.

Prepared for the U.S. Dept. of Energy under Contract no. EX-76-A-01-2295, Task order 37.

Thesis (Masters Diploma (Technology) Cape Technikon, 1988 / Radioactivity and radioactive radiation are two scientific phenomena which man has always approached with great caution, if not fear. Radioactive radiation cannot be sensed by any of the human senses and experience has proved just how hazardous it can be to the human body. This caution is therefore by no means unfounded and through the years a set of standards has been derived as to what can be regarded as a safe dose to the human body. At the National Accelerator Centre radioisotopes are being produced by a chemical recovery process from targets which have been irradiated by a high energy proton beam. Targets are prepared by compressing salts, containing the elements to become radioisotopes, into tablets. The high energy protons collide with particles in the targets which give off radioactive radiation. The targets in their turn become radioactive and the isotopes that are produced from these targets are radioactive. The level of radioactive radiation is extremely hazardous and it is therefore impossible for any human being to come into close contact with any of the targets or isotopes. It is for these reasons that an electrical rail transport system was installed at the National Accelerator Centre to transport highly radioactive sources. The transport system links the two irradiation vaults to the two rows of hot cells, where the chemical recovery takes place, and to a well shielded storage area for storage of isotopes and radioactive waste. A transport system, performing tasks of this nature, must be, above all, extremely reliable. Secondly, commands entered by an operator to control the system, must be simple and straight forward. This thesis describes the control of the transport system at the National Accelerator Centre, including alI of its features, advantages and disadvantages.

A model to enable a graphics presentation of an experiment has been developed. The model was developed specifically for experiments run on a shake table for earthquake simulating tests but could be used for any experiment that involves movement and instrumentation. By integrating the results obtained from the instruments used during an experiment it is possible to display, on a computer screen, the motion of the model being tested. By use of visualization techniques it is possible to obtain a graphical representation of all the instruments being used and thereby producing a picture of the entire experiment. / Science, Faculty of / Computer Science, Department of / Graduate

This thesis describes a new approach to office layout problems. Group technology methods are used in grouping office employees into cells followed by cell placement along a pre-established network of aisles. Differences between office and manufacturing layout approaches are discussed. Sample problems are presented and the program description is included.

No description available.

No description available.