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Quadrupole Mass Spectrometry and Its Applications provides a comprehensive discussion of quadrupoles and their applications. It proceeds from a general explanation of the action of radiofrequency quadrupole fields to the description of their utilization in mass analyzers—such as the quadrupole mass filter, the monopole, the three-dimensional quadrupole ion trap, and various time-of-flight spectrometers—and finally to the characteristic applications of quadrupoles. A multi-author format has been adopted to provide broader-than-usual viewpoint in the book. The book begins by explaining the principles of operation of quadrupole devices. These include ion trajectories and computer simulations of performance; analytical theory; numerical methods of calculation of performance, including the recently developed application of phase-space dynamics; and fringing fields and other field imperfections. Subsequent chapters provide design and performance evaluations of the mass filter, the monopole, ion traps, and time-of-flight instruments; and describe areas of application where quadrupole devices have made the greatest impact because of their particular advantages and disadvantages.
This book examines cognition with a broad and comprehensive approach. Drawing upon the work of many researchers, McDowell applies current scientific thinking to enhance the understanding of psychotherapy and other contemporary topics, including economics and healthcare. Through the use of practical examples, his analysis is accessible to a wide range of readers. In particular, clinicians, physicians, and mental health professionals will learn more about the thought processes through which they and their patients assess information.
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Covers receipts and expenditures of appropriations and other funds.
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