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Analytische Methoden
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Book Synopsis Modern Methods of Plant Analysis / Moderne Methoden der Pflanzenanalyse by : K. Biemann
Download or read book Modern Methods of Plant Analysis / Moderne Methoden der Pflanzenanalyse written by K. Biemann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: 123 phase and hence have no direct bearing on the retention time of solutes. However in gas-solid chromatography, a considerable quantity of the mobile phase may be adsorbed on the surface of the stationary adsorbent which diminishes the column's effective length and ability to retain solutes. In this respect helium has been found to be preferable to most other gases (GREENE and Roy, 1957) because it is adsorbed to the least extent. 3. Packed columns offer a considerable resistance to flow, which may create a pressure differential between inlet and outlet of sufficient magnitude to cause an unfavorable flow rate through a significant length of the column. A reduced inlet/outlet pressure ratio can be obtained by using light molecular weight gases toward which the column packing shows the greatest permeability. The flow rate of the mobile phase is normally adjusted by altering the column inlet pressure, for which purpose commercial pressure regulators of sufficient accuracy are available. Quantitative measurements of the flow rate can be made by a number of methods, including rotameters, orifice meters, soapfilm flow meters and displacement of water. The former two methods are the most con venient but the least accurate; moreover they create a back pressure and are temperature dependent whereas although the moving soap bubble is cumbersome to employ and unusable for continuous readings, it is preferred when the highest accuracy is required.
Book Synopsis Modern Methods of Plant Analysis/Moderne Methoden der Pflanzenanalyse by : K. Paech
Download or read book Modern Methods of Plant Analysis/Moderne Methoden der Pflanzenanalyse written by K. Paech and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Die Methoden Der Organischen Chemie (Weyls Methoden) by : Josef Houben
Download or read book Die Methoden Der Organischen Chemie (Weyls Methoden) written by Josef Houben and published by . This book was released on 1924 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technical Methods of Chemical Analysis by : Georg Lunge
Download or read book Technical Methods of Chemical Analysis written by Georg Lunge and published by . This book was released on 1911 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lehrbuch Der Pflanzenphysiologie: bd. Chemische physiologie by : Sergeĭ Pavlovich Kostychev
Download or read book Lehrbuch Der Pflanzenphysiologie: bd. Chemische physiologie written by Sergeĭ Pavlovich Kostychev and published by . This book was released on 1926 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Library of Medicine Current Catalog by : National Library of Medicine (U.S.)
Download or read book National Library of Medicine Current Catalog written by National Library of Medicine (U.S.) and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: First multi-year cumulation covers six years: 1965-70.
Book Synopsis Construction of the Other, Identification of the Self by : Martin Tamcke
Download or read book Construction of the Other, Identification of the Self written by Martin Tamcke and published by LIT Verlag Münster. This book was released on 2012 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of diverse contributions revisits the European religious construction of the Indian Other. In their attempt to identify their European Self, missionaries from Germany constructed India as their Other and archived such constructions. Such archival narratives epitomize the conviction of these missionaries in their Christian faith and their belief in the superiority of the European Self. These narratives, however, provide readers (for whose eyes they were not meant originally) with spaces to locate their own past and to identify their own Self. (Series: Studies on Oriental Church History / Studien zur Orientalischen Kirchengeschichte - Vol. 45)
Book Synopsis Single Pesticide Volume: The Triazine Herbicides by : Francis A. Gunther
Download or read book Single Pesticide Volume: The Triazine Herbicides written by Francis A. Gunther and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: More and more biologists, chemists, pharmacologists, toxicologists, governmental agencies, and "food control" (regulatory) officials around the world are finding it increasingly difficult to keep abreast of the technical literature in the pesticide field; indeed, many libraries do not have even a small proportion of the journals and other sources that now regularly contain research, development, and application information about all aspects of modern chemical pest control. As a result, a very large number of requests has come to RESIDUE RE VIEWS to publish detailed digests of information on single pesticide chemicals so that the interested person in any part of the world could easily be brought up to date with all available important information without having to search probably several hundred literature sources, many of them obscure or simply not available except in very large libraries. The service and convenience rendered the readership by such a series of volumes on major individual pesticide chemicals would therefore be considerable. Type and scope of coverage in this series of single-pesticide vol umes will of course vary with available information. The coverage 'lhould be as complete as possible, however, to be of maximum value to all interested individuals, industries, research institutions, and governmental agencies concerned with the continuing production of an adequately large yet safe food supply for the world. Among the topics bracketed for a single pesticide should ideally be: I. Introduction II. History of development and use, including alternate names around the world, patent information III.
Book Synopsis Host Bibliographic Record for Boundwith Item Barcode 30112067946001 and Others by :
Download or read book Host Bibliographic Record for Boundwith Item Barcode 30112067946001 and Others written by and published by . This book was released on 1911 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A History of Chemistry. From Earliest Times to the Present Day by : Ernst von Meyer
Download or read book A History of Chemistry. From Earliest Times to the Present Day written by Ernst von Meyer and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-05-10 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: No detailed description available for "A History of Chemistry. From Earliest Times to the Present Day".
Book Synopsis A History of Chemistry from Earliest Times to the Present Day by : Ernst von Meyer
Download or read book A History of Chemistry from Earliest Times to the Present Day written by Ernst von Meyer and published by . This book was released on 1891 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Functional Analysis and Approximation by : P.L. Butzer
Download or read book Functional Analysis and Approximation written by P.L. Butzer and published by Birkhäuser. This book was released on 2013-03-07 with total page 461 pages. Available in PDF, EPUB and Kindle. Book excerpt: These Proceedings form a record of the lectures presented at the interna tional Conference on Functional Analysis and Approximation held at the Ober wolfach Mathematical Research Institute, August 9-16, 1980. They include 33 of the 38 invited conference papers, as well as three papers subsequently submitted in writing. Further, there is a report devoted to new and unsolved problems, based on two special sessions of the conference. The present volume is the sixth Oberwolfach Conference in Birkhauser's ISNM series to be edited at Aachen *. It is once again devoted to more significant results obtained in the wide areas of approximation theory, harmonic analysis, functional analysis, and operator theory during the past three years. Many of the papers solicited not only outline fundamental advances in their fields but also focus on interconnections between the various research areas. The papers in the present volume have been grouped into nine chapters. Chapter I, on operator theory, deals with maps on positive semidefinite opera tors, spectral bounds of semigroup operators, evolution equations of diffusion type, the spectral theory of propagators, and generalized inverses. Chapter II, on functional analysis, contains papers on modular approximation, interpolation spaces, and unconditional bases.
Book Synopsis Deutsch-amerikanische Apotheker-zeitung by :
Download or read book Deutsch-amerikanische Apotheker-zeitung written by and published by . This book was released on 1912 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Index of NLM Serial Titles by : National Library of Medicine (U.S.)
Download or read book Index of NLM Serial Titles written by National Library of Medicine (U.S.) and published by . This book was released on 1984 with total page 1516 pages. Available in PDF, EPUB and Kindle. Book excerpt: A keyword listing of serial titles currently received by the National Library of Medicine.
Book Synopsis The Theory of Best Approximation and Functional Analysis by : Ivan Singer
Download or read book The Theory of Best Approximation and Functional Analysis written by Ivan Singer and published by SIAM. This book was released on 1974-06-01 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents results and problems in the modern theory of best approximation, in which the methods of functional analysis are applied in a consequent manner.
Book Synopsis Fortschritte der Chemie Organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products by :
Download or read book Fortschritte der Chemie Organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products written by and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cyanogenic glycosides, here defined as glycosidic derivatives of iX-hydroxynitriles, represent a rather limited class of natural products, which are widely distributed in the plant kingdom and, to a small ex tent, even in animals. A characteristic feature of these glycosides is their ability to release hydrocyanic acid on treatment with dilute acids or appropriate enzymes. The term "cyanogenic" is used to designate this property, regardless of whether pure substances, plants, or animals, are serving as the source. In the latter cases the term "cyanophoric" is occasionally employed synonymously. Cyanogenesis in plants was probably first discovered by SCHRADER in 1803 (Io3) working with bitter almonds. In 1830, ROBIQUET and BOUTRON-CHARLARD (IOO) succeeded in isolating the parent glycoside, namely amygdalin. Over the years, a total of 18 cyanogenic glycosides have been isolated and characterized more or less completely (Table I, p. 76). It will be noted that the majority of these compounds has been isolated in the era of classical organic chemistry and that progress in .discovering new compounds, not to mention new structural types, has been surprisingly slow. It is worth remembering here that the mechanism ·of cyanogenesis has been established only in the minority of known cyanogenic species. The cyanogenic glycosides have last been reviewed in 1958 by DILLE MANN (36). Since then, no complete reviews in this field have appeared. It is the purpose of the present article to survey the more recent ad vances and, hopefully, to stimulate continued interest in these interesting .compounds.
Book Synopsis Leichtfassliche Anfangsgrunde Der Naturgeschichte Des Mineralreiches by : Friedrich Moha
Download or read book Leichtfassliche Anfangsgrunde Der Naturgeschichte Des Mineralreiches written by Friedrich Moha and published by . This book was released on 1836 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt:
