Approval: Committee Chair _______________________________________ Department Chair _______________________________________ Graduate Dean _________________________________________

Ultrasound Catheter Transducers for Intracranial Brain Imaging and Therapy by Carl Dean Herickhoff Department of Biomedical Engineering Duke University Date:_______________________ Approved: ___________________________ Stephen W. Smith, Supervisor ___________________________ Richard B. Fair ___________________________ Gerald A. Grant ___________________________ Kathryn R. Nightingale __________...

characterized (Koornneef et al. 1991, 1998b, Lee et al, 1993, Araki and Komeda 1993, Clarke and Dean 1994, Clarke et al. 1995, Eimert et al. 1995, Zagotta et al. 1992, Sung et al. 1992, Martinez-Zapater et al. 1994, Sanda and Amasino 1996a, Amasino 1996, Levy and Dean 1998). Although they caused similar mutant phenotypes, diflbrent late-flowering mutants characterized responded to environmental...

The Cheap Auroral Tomographical System (CATS) consists of a large constellation of small, disposable satellites in a near polar orbit. CATS is designed to collect stereoscopic views of the earth environment that will be used for tomographical and earth environmental research. Each satellite will be identical and constructed of high-grade commercial parts. thus significantly reducing the cost of...

Approval: Committee Chair Department Chair Graduate Dean

Warren Burggren, Major Professor and Dean of College of Arts and Sciences Edward Dzialowski, Committee Member Thomas Beitinger, Committee Member Earl Zimmerman, Chair of Department of Biological Sciences Sandra L. Terrell, Dean of the Robert B. Toulouse School of Graduate Studies HEART RATE AND OXYGEN CONSUMPTION DURING THE CRITICAL PRENATAL PERIOD IN CHICKEN EMBRYOS (Gallus gallus): INFLUENCE ...

The turbulent pulsating flow and heat transfer in straight 90° curved square pipes are investigated this study. Both experimental temperature field measurements at the cross-sections of conjugate (CHT) simulation were performed. steady was compared to under same time-averaged Reynolds number. number flow, as well approximately 60,000. Womersley 43.1, corresponding a 30 Hz frequency. Meanwhile, ...