Dimethylbenz (a) anthracene (EMBA), a carcinogen that requires
metabolic activation to produce active metabolites capable of
binding to DNA, has been studied in the trout and other fish.
Polycyclic aromatic hydrocarbons (PAH) are of importance as they
are ubiquitous in the environment and their carcinogenic effects
in fish from contaminated...
Purpose of the Study
The purpose of this study was to determine the effectiveness of
three methods of changing vocational educators' sex-role perceptions
of themselves and their sex-role perceptions of males and females to
a more androgynous state. The hypotheses tested were: (1) there
is no difference in sex -role...
Road changing i.s the activity of moving operating lines
on a cable yarding operation to permit access to logs in an
unyarded portion of a logging unit. The time required to
perform this activity varies widely and may consume a significant
portion of the total yarding time.
With rising costs...
