The noise problem in air conditioning systems is receiving ever
increasing attention because of the importance of noise on a comfortable
human environment. Some work has been done on the solutions
to the noise problem by an investigation of a few system elements.
The acourstical characteristics of dampers become more...
Eighty-one microbial species isolated from seafoods and other marine sources were examined to determine the extent of interactions among these species. Spot-plates, cross-plates, and concurrent growth experiments at 7, 15, 20, and 30 C indicated that Lactobacillus species were capable of inhibiting other microorganisms. Lactobacillus species isolated from oysters and...
A study of the immature stages of the subfamily Troginae in
North America was conducted from the spring of 1963 through the
spring of 1965, Larvae of Trox and Omorgus were easily reared in
the laboratory, but all attempts to rear the larvae of Glaresis were
unsuccessful,
The suberosus group,...