Pasteurization radiation offers a new means of extending the
refrigerated storage life of foods. This procedure avoids many of
the undesirable changes which result when sterilization radiation is
used and still eliminates most of the spoilage organisms.
Shrimp was treated with 5 ppm chlortetracycline and subjected
to pasteurization levels of...
This study was designed to reveal the outcomes of participation
in science project activities such as Science Fair projects among
ninth grade science students in Multnomah County, Oregon, during
the second half of the 1963-1964 school year.
A stratified sample of five public schools was selected to participate in this...
This investigation was designed to compare the growth in attitudes
toward science and the critical thinking abilities of high
school juniors in chemistry to juniors not enrolled in chemistry.
One hundred and fifty-three chemistry students and 149 non-chemistry
students were randomly selected to participate in the study.
Criterion tests used...