REVIEWS The Art and Science of Total Synthesis at the Dawn of the Twenty-First Century** K. C. Nicolaou, Dionisios Vourloumis, Nicolas Winssinger, and Phil S. Baran Dedicated to Professor E. J. Corey for his outstanding contributions to organic synthesis At the dawn of the twenty-first cen-of the most exciting and important covery and invention of new synthetic tury, the state of the art and science of discoveries of the twentieth century in strategies and technologies; and explo- vnth

4.1 Introduction 4.2 Classification of Cam Mechanisms 4.3 Cam Nomenclature 4.4 Motion events 4.5 Graphical Synthesis of Cam Contour 4.6 Analysis Synthesis of Cam Contour 4.7 Considerations of Cam Mechanisms Synthesis

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4.1 Introduction 4.2 Classification of Cam Mechanisms 4.3 Cam Nomenclature 4.4 Motion events 4.5 Graphical Synthesis of Cam Contour 4.6 Analysis Synthesis of Cam Contour 4.7 Considerations of Cam Mechanisms Synthesis

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2.1 Introduction 2.2 Micro-organisms as catalysts of organic synthesis 2.3 Enzyme preparations versus whole cell processes 2.4 Scale of production 2.5 Modes of operation of bioprocesses 2.6 Biotechnological processes verses chemical synthetic processes

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Motion sickness: a synthesis and evaluation of the sensory conflict theor Man Vehicle Laboratory, Massachuserrs Institute of Technology, Cambridge, MA 02139, U.S.A Received December 15. 1988 M. 1990. Motion sickness: a synthesis and evaluation of the sensory conflict theory. Can. J. Physiol. Pharmacol erebral ischemia