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:
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.
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)
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 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
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.
Download or read book Purposive Interaction in Multi Actor Decision Making written by Jos Timmermans and published by Eburon Uitgeverij B.V.. This book was released on 2004 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Functional Analysis written by Kösaku Yosida and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present book is based on lectures given by the author at the University of Tokyo during the past ten years. It is intended as a textbook to be studied by students on their own or to be used in a course on Functional Analysis, i. e. , the general theory of linear operators in function spaces together with salient features of its application to diverse fields of modern and classical analysis. Necessary prerequisites for the reading of this book are summarized, with or without proof, in Chapter 0 under titles: Set Theory, Topo logical Spaces, Measure Spaces and Linear Spaces. Then, starting with the chapter on Semi-norms, a general theory of Banach and Hilbert spaces is presented in connection with the theory of generalized functions of S. L. SOBOLEV and L. SCHWARTZ. While the book is primarily addressed to graduate students, it is hoped it might prove useful to research mathe maticians, both pure and applied. The reader may pass, e. g. , from Chapter IX (Analytical Theory of Semi-groups) directly to Chapter XIII (Ergodic Theory and Diffusion Theory) and to Chapter XIV (Integration of the Equation of Evolution). Such materials as "Weak Topologies and Duality in Locally Convex Spaces" and "Nuclear Spaces" are presented in the form of the appendices to Chapter V and Chapter X, respectively. These might be skipped for the first reading by those who are interested rather in the application of linear operators.
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:
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.
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:
Download or read book Trace Element Analysis in Biological Specimens written by R.F.M. Herber and published by Elsevier. This book was released on 1994-05-19 with total page 591 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major theme of this book is analytical approaches to trace metal and speciation analysis in biological specimens. The emphasis is on the reliable determination of a number of toxicologically and environmentally important metals. It is essentially a handbook based on the practical experience of each individual author. The scope ranges from sampling and sample preparation to the application of various modern and well-documented methods, including quality assessment and control and statistical treatment of data. Practical advice on avoiding sample contamination is included.In the first part, the reader is offered an introduction into the basic principles and methods, starting with sampling, sample storage and sample treatment, with the emphasis on sample decomposition. This is followed by a description of the potential of atomic absorption spectrometry, atomic emission spectrometry, voltammetry, neutron activation analysis, isotope dilution analysis, and the possibilities for metal speciation in biological specimens. Quality control and all approaches to achieve reliable data are treated in chapters about interlaboratory and intralaboratory surveys and reference methods, reference materials and statistics and data evaluation.The chapters of the second part provide detailed information on the analysis of thirteen trace metals in the most important biological specimens. The following metals are treated in great detail: Aluminium, arsenic, cadmium, chromium, copper, lead, selenium, manganese, nickel, mercury, thallium, vanadium and zinc.The book will serve as a valuable aid for practical analysis in biomedical laboratories and for researchers involved with trace metal and species analysis in clinical, biochemical and environmental research.
Download or read book System level Modelling and Design Space Exploration for Multiprocessor Embedded System on chip Architectures written by Cagkan Erbas and published by Amsterdam University Press. This book was released on 2006 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern embedded systems come with contradictory design constraints. On one hand, these systems often target mass production and battery-based devices, and therefore should be cheap and power efficient. On the other hand, they still need to show high (sometimes real-time) performance, and often support multiple applications and standards which requires high programmability. This wide spectrum of design requirements leads to complex heterogeneous System-on-Chip (SoC) architectures -- consisting of several types of processors from fully programmable microprocessors to configurable processing cores and customized hardware components, integrated on a single chip. This study targets such multiprocessor embedded systems and strives to develop algorithms, methods, and tools to deal with a number of fundamental problems which are encountered by the system designers during the early design stages.
Download or read book Operations Research written by Günter Fandel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tomas Gal zum 65. Geburtstag
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.
Download or read book Der Stoffwechsel Sekund rer Pflanzenstoffe The Metabolism of Secondary Plant Products written by and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 869 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Modern Methods of Plant Analysis written by Karl Paech and published by . This book was released on 1955 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:
