Ronald Chu

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The problem of finding a cycle with maximum Profit-to-Time (PTT) ratio where the total profit is the sum of the arc profits of the cycle is a well known problem first formulated by Dantzig et al. in the 60's. They showed that the problem can be interpreted as finding the optimum tour of a bulk ship. This thesis addresses the problem of finding the maximum(More)
During the period 1984-1989, a total of 46 examples of Bv phenotype were encountered out of a total of 567,210 donors, giving an incidence of 1 in 12,330 among the Chinese in Hong Kong. The Bv determinant corresponds to the portion of the B antigen that is present on rabbit red cells, and gives a negative reaction with polyclonal anti-B reagents absorbed(More)
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