Tests compared the production efficiencies of the following three
silver iodide ice-forming nuclei generators: one burning charcoal
soaked in a 2% silver iodide acetone solution, one in which a jet of
propane gas atomized a 2% silver iodide acetone solution, and one in
which a jet of compressed air atomized...
The cabbage maggot, Delia radicum (L.) (Diptera: Anthomyiidae) is a serious
pest of cruciferous crops (i.e. broccoli, cabbage, turnip, rutabaga) in North America and
Europe (Coaker and Finch, 1971; Whistlecraft et al., 1985). The adult flies lay eggs
around the base and in cracks at the soil surface around wild...
The purposes of this study were to determine which research tasks
were necessary to the job descriptions of public school
administrators, secondary and elementary teachers; what task clusters
could be identified for college and university curriculums; what
differences existed between sample groups.
The instrument was validated through the Delphi technique....
This study was designed to measure the results on public
school teachers of training in three teaching systems. The results
of the study were intended to provide evidence that might be used
for designing a single system which would bring together the most
effective aspects of each of the systems...
This index provides access to infonnation about women in 102 books and journals. The information contained in each entry is only as good as the original and the quality varies considerably. Much of this infonnation has not before been easily accesible in this form. My hope is that this index...
