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In order to meet increasing demand for
higher productivity and flexibility, recently many kinds of multi-functional machine
tools, which are capable of multiple machining functions or different kinds of
machining processes on one machine, have been developed and widely used in
manufacturing industries. In this study, a multi-functional turning lathe,
which has two spindles and two turrets so that multiple turning operations and
various machining processes could be performed simultaneously, has been
developed. Furthermore, the equations of correlation between whole responses
and cross responses of the two spindles have been derived to examine to what
extent the two spindles affect each other’s vibrations.
H3N2, H5N1 and H5N8 virus were
wide-spread epidemic in South Korea. Especially in 2014 Korea, the serious outbreak
of avian influenza caused by H5N8 took place, effecting not only birds but also
dogs. Antibody of H5N8 virus was found on a dog which differentiated the virus
from existing H3N2 canine virus. At this point, we wanted to find out why H5N8
was self-medicated in dogs and whether H5N8 would cross species boundaries and
be fatal to dogs or other species. While H5N1 is avian influenza like H5N8,
many cases of fatal infections among dogs caused by H5N1 have been reported.
Another kind of avian influenza, H3N2 is most common type of canine influenza
in Asia. With the use of decision tree and apriori algorithm, we could find out
characteristics of H5N8 by comparing it with H5N1 and H3N2.