Organicum: Practical Handbook of Organic Chemistry focuses on the theory, laboratory practice, and aspects of technical use related to organic chemistry. This book discusses the standard apparatus for organic reactions, heating of inflammable liquids, performance of a simple distillation, and partition chromatography in separating columns. The time factor in organic chemical reactions, distribution of the electron density in organic molecules, and synthesis of ethers from alkoxides or phenoxides are also elaborated. This text likewise covers the mechanism of electrophilic aromatic substitution, quinones from aromatic hydrocarbons, and reduction of carbonyl compounds by means of complex hydrides. Other topics include the reaction with ammoniacal solution of a silver salt, preparation of the dimedone derivatives, and saturated aliphatic hydrocarbons. This publication is suitable for chemists and researchers conducting work in organic chemistry.
Modern and up-to-date -- the comprehensive and concise guide to the practice of otorhinolaryngology and head and neck surgery The third edition of this long-time bestseller continues to be a reliable companion and invaluable resource for medical students, specialist trainees, residents, and practitioners, providing the essential scientific, diagnostic, and therapeutic knowledge and offering advanced information and guidelines for clinical practice. Organized by anatomical region, each chapter covers the relevant anatomy and physiology, methods of investigation, and a comprehensive range of diseases. Succinct descriptions of diseases cover clinical findings, diagnosis, and medical and surgical treatment. Key features of the third edition: Significantly enlarged and fully revised to the present standard of scientific knowledge and clinical practice Over 280 highly instructive drawings and more than 500 clinical photograph--all in full color Larger format allowing for an improved layout and clearer presentation of content New chapter on voice, speech, and language; new sections on obstructive sleep-related breathing disorders and on dermatologic principles for the otolaryngologist; and appendices on emergencies and on infection control
This fully updated edition presents a comprehensive overview of the essentials of ear, nose, throat diseases, and surgery. It is therefore of interest to students, providing them with a better understanding of the diagnostic and therapeutic problems of the specialty, as well as the important relations of the ear, nose, and throat with neighboring organs. This Thieme Flexibook also serves as a reference source for practicing ENT specialists. The use of tables, color plates, and line drawings facilitate understanding and simplify differential diagnosis.
The present volume completes the description of the interactions and chemical reactions of elemental tungsten with metallic elements, treating its reactions with antimony, bismuth, and the alkali and alkaline earth metals. The reactions of tungsten with these elements are in most cases confined to surface regions. Corrosion of tungsten and mutual solubility are usually very low. An exception is the W - Be system, in which several intermetallic phases are formed. The surface processes in some of the other systems covered in the present volume evoked considerable scientific and practical interest, documented by the large number of publications. This holds particularly for the Cs-on-W and Ba-on-W surface systems. Cs- and Ba-activated tungsten electrodes were and are used in many technical and laboratory appliances. One example is the Cs diode device for thermionic energy conversion. Surface ionization of Cs and W is widely applied in ion sources and for some time attracted great attention with respect to its potential use in ion rocket propulsion engines. Cs-on-W is also a logical system for basic research on chemisorption due to the propitious chemical, crystallographic, and atomic properties of adsorbent and adsorbate. The majority of existing models for the chemisorption bond has been experimentally checked on this system. The particular interest in the W - Cs and W - Ba systems is reflected in the large portion of the text (256 pages) devoted to these systems.
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