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Natural disasters, tornadoes, hurricanes, and floods are occurring with increasing frequency. In emergencies, pure drinking water is quickly the most important item. Low Cost Emergency Water Purification Technologies provides the tips and techniques for supplying potable drinking water at low cost in the direst circumstances. Succinct and readable, this manual describes the various options for correcting unsanitary or unsatisfactory drinking water. Several treatment methods for contaminated water are reviewed and the pros and cons of each are discussed.The analysis of bioelectrical signals continues to receive wide attention in research as well as commercially because novel signal processing techniques have helped to uncover valuable information for improved diagnosis and therapy. This book takes a unique problem-driven approach to biomedical signal processing by considering a wide range of problems in cardiac and neurological applications-the two "heavyweight" areas of biomedical signal processing. The interdisciplinary nature of the topic is reflected in how the text interweaves physiological issues with related methodological considerations. Bioelectrical Signal Processing is suitable for a final year undergraduate or graduate course as well as for use as an authoritative reference for practicing engineers, physicians, and researchers.This second edition of The Ovary incorporates the dramatic research developments regarding the ovarian life cycle within the past decade. It looks at ovarian function from a detailed molecular and cellular level. The updated chapters, along with the new material, represent an unparalleled compilation of chapters relevant to contemporary ovarian physiology. The book is divided into 8 sections: The Ovarian Follicular Apparatus: Operational Characteristics; Oocyte Maturation and Ovulation; The Corpus Luteum; Putative Intraovarian Regulators; Cyclic Ovarian Cell Death; Novel Experimental Models; Human Ovarian Pathophysiology: Select Aspects; and Human Ovarian Surface Epithelium and Neoplasia.