Aviation History delivers an entertaining account and perspective on international aviation history. This book is an excellent resource to students, educators, and aviation enthusiasts. In reviewing this book, the principal criteria included content, organization, and reference sources.
No significant differences between the noise-exposed pigs and controls were observed for rate of feed utilization; rate of weight gain, or food intake, nor was there injury or anatomical change to the organ of Corti of the inner ear. Heart rate of a large number of weaned pigs was measured before, during, and after sound exposure Bond et al.
A telemetering electrocardiograph that records heart rate was used to eliminate possible effects of human presence. After a constant heart rate was observed, the experiment was begun. Test recordings of heart rate were made during 15 seconds of prestress, 15 seconds of noise exposure, and 30 seconds of quiet recovery period.
Heart rate increased significantly during sound exposure, but decelerated rapidly after the sound was discontinued, although not to baseline rate.
No evidence of cochlea injury was found in any of the animals. Histological examination of the thyroid and adrenal glands indicated no evidence of impaired function. Under the conditions of the study, no evidence was found that the pigs were significantly affected by noise.
The temporary increase in heart rate was the only indication that noise caused stress.
Pigs, boars, and sows were exposed to reproduced aircraft noise and other loud sounds to determine possible harmful effects on reproduction Bond et al.
The tape recording consisted of propeller-driven aircraft, jet aircraft in flight, and airfield background noises. The animals were exposed to sound frequencies varying from dB.
The conception rate of sows exposed to the recorded sounds was similar to that of unexposed sows.
The number of pigs farrowed and the number of survivors were not influenced by exposure of the parents to loud sound during mating, or by exposure of sows to reproduced sounds at dB for 12 hours daily, beginning 3 days before farrowing and continuing until their piglets were weaned.
The initial physiological responses to sound measured in sheep were heart rate and respiratory rate Ames and Arehart Early-weaned lambs were exposed to three sound types: Each sound type was studied at two sound pressure levels, 75 and dB.
The IMS consisted of the following sounds: White noise and music exposures were continuous. The control period was 21 days with a background noise level of 45 dB. Initial exposure to and dB white noise did not cause a change in heart late in acclimated lambs.
In nonacclimated lambs, initial exposure to dB white noise significantly increased heart rate. During the entire test period, nonacclimated lambs exposed to dB white noise had significantly higher heart rate than lambs acclimated at either 75 or dB.
Respiration rate for acclimated lambs was constant when initially exposed to 75 d8, increased rapidly during the first hour, and peaked during the eighth hour.
Nonacclimated lambs showed little change in respiration rate Classic Books of the barnweddingvt.com website. Turn the pages to explore bygone eras, time-honored tales and historical narratives.
A literature review for clinical information extraction applications. • publications were identified for title and abstract screening. • publications fully reviewed. CHAPTER II REVIEW OF LITERATURE INTRODUCTION A literature review is a description of the literature relevant to a particular automated Library System () edited by Joseph Mathews; and Automating library procedures: A Survivors Handbook () by Ian Lovecy.
All these documents have.
The 21 st Century Library has been designed and planned to support more than the explosive growth in enrollment.
New learning and discovery technologies, collaborative and individual research and study, collections in a variety of formats with the breadth and depth to support new and expanding programs will be available to students and faculty in a welcoming, engaging and inspiring environment.
PubMed comprises more than 28 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.
Free Essays on Review Of Related Studies For Library Management System for students. Use our papers to help you with yours 1 - PaperCamp: No Marshmallows, Just Term Records Management System Review of Related Literature This chapter presents the review of the related literature and studies glimpsed from both foreign .