Limestone Deposits vs. Beneficiation
Ames, John A. (1966-03)
Limestone for portland cement must be beneficiated to produce uniform raw material for the kiln. Careful quarrying and selective recovery are factors in this process, but the chief aspects of beneficiation are "in plant" ...
The Suspensory Muscles in a Tipulid Larva, Tipula Abdominalis (Diptera: Tipulidae)
Eldridge, Marjorie (1966-03)
There are three pairs of suspensory muscles in the larva of Tipula abdominalis which originate dorso-laterally between body segments one through four and insert laterally along the mid-gut and on the mid-portion of the ...