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Test and theory for robust active vibration control of rotor- bearing systems utilizing piezoelectric actuators
(1993)
This research focuses on designing effective control strategies using piezoelectric actuators for control of vibrations of flexible rotor-bearing systems. The actuators are completely described and the elements of feedback ...
Announcements of stock repurchases during 1988 and 1989 : an empirical analysis examining the disclosure of intended open market repurchases
(1993)
A multi-method approach is used to examine firms that announced stock repurchases on the open market during 1988 and 1989. An event study methodology is used to determine the abnormal returns of these firms relative to ...
A numerical analysis of convective heat transfer in channels simulating electronic components
(1993)
The cooling performance of two dimensional channel flow simulating channels of electronic components has been studied numerically. A channel is formed with the substrates on which the heat sources are surface-mounted ...
Academic register : the voice of authority
(1994)
College students' acquisition of "academic discourse" has been the focus of a long-standing debate in composition studies. Despite much critical attention, academic discourse is still an enigma. Yet many theorists contend ...
Environmentally induced increases in pain reactivity
(1993)
Prior research has shown that an aversive event can produce either an increase (hyperalgesia) or a decrease in pain reactivity (hypoalgesia). Researchers have extensively examined both the behavioral and neurobiological ...
Purchasing effects for varying levels of model attractiveness and sex, and buyer sex of a direct mail advertisement
(1981)
The purpose of this study was to discover whether the sex and the attractiveness level of a model used in a direct mail advertisement and the sex of the recipient of that advertisement would influence the subsequent ...
Perceptions of women optometry graduates on educational preparation, practice patterns, and role conflicts : the implications for practice management programs and continuing professional education
(1992)
The problem addressed in this study was the absence of research on women in the field of optometry. The purpose of the study was to explore the impact of gender on practice patterns, career rewards and satisfaction, role ...
New power controllers and the cost analysis of designing mixed signal application specific integrated circuits
(1993)
Power Controllers in airborne Power Systems need to monitor system parameters, check for abnormal conditions and initiate action, while conserving area, weight and power. The new power controller designed also offers a ...
The relationship between extracurricular activities involvement and grades in college and job placement of graduates
(1989)
The objective of this research was to complete an in-depth study on extracurricular activities involvement and grades in college and their relationship to job placement. The study focused on the following questions: (1) ...
Random and site-specific mutagenesis of bacterial luciferase : investigation of the substrate binding sites
(1989)
Luciferase from the Vibrio harveyi mutant AK-20 contains a lesion in the α subunit that results in decreased bioluminescence activity relative to the wild type. In addition, the AK-20 luciferase exhibits altered activities ...