springer us dez 2013 (223 resultados)

Taschenbuch. Condición: Neu. Neuware - Inverse and crack identification problems are of paramount importance for health monitoring and quality control purposes arising in critical applications in civil, aeronautical, nuclear, and general mechanical engineering. Mathematical modeling and the numerical study of these problems require high competence in computational mechanics and applied optimization. This is the first monograph which provides the reader with all the necessary information. Delicate computational mechanics modeling, including nonsmooth unilateral contact effects, is done using boundary element techniques, which have a certain advantage for the construction of parametrized mechanical models. Both elastostatic and harmonic or transient dynamic problems are considered. The inverse problems are formulated as output error minimization problems and they are theoretically studied as a bilevel optimization problem, also known as a mathematical problem with equilibrium constraints. Beyond classical numerical optimization, soft computing tools (neural networks and genetic algorithms) and filter algorithms are used for the numerical solution. The book provides all the required material for the mathematical and numerical modeling of crack identification testing procedures in statics and dynamics and includes several thoroughly discussed applications, for example, the impact-echo nondestructive evaluation technique. Audience: The book will be of interest to structural and mechanical engineers involved in nondestructive testing and quality control projects as well as to research engineers and applied mathematicians who study and solve related inverse problems. People working on applied optimization and soft computing will find interesting problems to apply to their methods and all necessary material to continue research in this field.

Taschenbuch. Condición: Neu. Neuware - Demontrating that the scope of clinincal psychology is much broader than had been previously thought, this new volume illustrates recent achievements in the field and outlines perspectives for futher applications in research and treatment.

Taschenbuch. Condición: Neu. Neuware - We are pleased to be able to honor Arthur J. Bronstein with this volume of essays. We are all the more pleased because the volume has consider able intrinsic merit, but neither the reader nor Arthur should have any doubts about our primary purpose in assembling this book. That the col lection is intrinsically valuable is, in itself, a tribute to the man whom it honors: The contributing authors are all colleagues, students, and friends of Arthur. Readers who are acquainted with Arthur will not be surprised by the broad range of academic expertise which has been brought to bear on the subject of language in this book. They will recognize that Arthur's own range of expertise and interest is only barely matched by the contents of the essays and the backgrounds of their authors. On the other hand, those who know little about Arthur may have thought of him primarily in narrow association with phonetics and lin guistics, most likely as the author of The Pronunciation of American English, surely the most influential of American phonetics texts during the last quarter of a century. Although such an association is in many respects appropriate, it is altogether too limited, but this will not deter us from using it as the basis for a relevant and, we hope, revealing metaphor about Arthur J.

Taschenbuch. Condición: Neu. Neuware - As a division of the School of Medicine at the University of North Carolina at ChapeI Hili, TEACCH has always been involved in the latest biological research on autism and related developmental disabilities. However, until now there has not been sufficient information to justify aseparate volume on this most important topic. Recent advances both in our under standing of the brain and in the technology to facilitate the measurement of neurological functioning have stimulated significant growth, which is reflected in this volume. As with the preceding books in this series, Current Issues in Autism, this volume is based on one of the annual TEACCH conferences held in ChapeI Hili each May. The books are not simply published proceedings of the conference papers, however. lnstead, conference participants are asked to develop chapters around their presentations, and other international experts whose work is beyond the scope of the conference, but related to the major theme, are asked to contribute as weil. These volumes are intended to provide the most current knowledge and professional practice available to us concerning major issues in autism.

Taschenbuch. Condición: Neu. Neuware - Six years ago when the first edition of this volume appeared as the first of the series, questions were posed in its preface that are as valid today as they were then. In that preface, I proposed the following challenges: (1) We must identify carcinogenic agents, and by an analysis of their 'nature,' e. g. , structure and physical characteristics, we may better understand their mechanism of action. (2) We must identify crucial interactions between these carcinogens and impor tant macromolecules within the cell, distinguishing those which relate to carcinogenesis from those which are extraneous. (3) We must examine the alterations of cell function induced by these reactions, for it is with an understanding of phenotypic variation that we may know why malignant cells escape from normal homeostatic control. (4) Last, and perhaps of greatest importance, we must define malignancy--define those charac teristics of cellular activity that permit the malignant cell to compete so effectively with the normal constituent, which ultimately Ieads to such destructive events. Although great strides have been made toward those goals, as evidenced by a number of new chapters and the new information gathered into others, and although the achievement of those goals sometimes appears but a tantalizing experiment away, none have been achieved. For example, several chapters indude descriptions of the progress that has been made toward the development of 'quick assays.

Taschenbuch. Condición: Neu. Neuware - This volume contains contributions that are interdisciplinary and inter national. The editors believe this is an especially timely and promising enterprise, for both sources of diversity are needed for improving our abilities to identify the young child at risk and to prevent disability. In terms of diSciplines, the volume brings together papers by health care providers (such as pediatricians and public health nurses) as well as educators and psychologists. Each of these groups works in dissimilar settings and faces dissimilar problems: Health care providers seek sim ple identification procedures for use in busy primary care settings; psy chologists emphasize well-constructed research designs; and educators reflect the need for early identification and education. Each of these spe cialist groups has something to offer the other, but too often each tends to limit its publications and readings to its own discipline, thus failing to capitalize on a wider scope. of knowledge and practice. We hope that this selection of papers will allow all readers addressing the early iden tification of children at risk to generate a more integrated interdiscipli nary perspective. We also hope this volume reflects the sense of excitement that we feel from a sharing of international perspectives. There is no single ap proach to the early identification of children at risk that is universally applicable to all countries. In addition, approaches within each country vary because of availability of financial and human resources and dif fering expectations of local communities.

Taschenbuch. Condición: Neu. Neuware - Atomic transport in solids is a field of growing importance in solid state physics and chemistry, and one which, moreover, has important implications in several areas of materials science. This growth is due first to an increase in the understanding of the fund amentals of transport processes in solids. Of equal importance, however, have been the improvements in the last decade in the experi mental techniques available for the investigation of transport phenomena. The advances in technique have stimulated studies of a wider range of materials; and expansion of the field has been strong ly encouraged by the increasing range of applied areas where transport processes play an essential role. For example, mass transport phenomena play a critical role in the technology of fabrication of components in the electronics industry. Transport processes are involved both during the fabrication and operation of devices and with the growing trend to miniaturisation there are increasing demands on accurate control of diffusion processes. The present book (which is based on a NATO sponsored Advanced Study Institute held in 1981 at Lannion, France) aims to present a general survey of the subject, highlighting those areas where work has been especially active in recent years.

Taschenbuch. Condición: Neu. Neuware - Proceedings of a NATO ASI held in Les Arcs, France, April 2--13, 1990.

Taschenbuch. Condición: Neu. Neuware - V Pentostam, an uncharacterized complex of Sb and carbohydrate derived from gluconic acid, is concentrated by Leishmania amastigotes via protein binding. Biochemical consequences of the interaction of amastigotes with Pentostam are inhibition of parasite bioenergetics and inhibition of ATP synthesis. REFERENCES 1. J.C. Mottram and G.H. Coombs. Enzyme activities of amastigotes and promastigotes and their inhibition by antimonials and arsenicqls. Exper. Parasitol. 59:151 (1985). 125 2. S.L. Croft, K.D. Neame and C.A. Homewood. Accumulation of [ Sb] sodium stibogluconate by Leishmania mexicana amazonensis and Leishmania donovani in vitro. Compo Biochem. Physiol. 68c:95 (1981). 3. J.D. Berman, J.V. Gallalee, and B.D. Hansen. Leishmania mexicana: uptake of sodium stibogluconate (Pentostam) and pentamidine by parasite and macrophages. Exper. Parasitol. 64:127 (1987). 4. J.D. Berman, D. Waddell and B.D. Hanson. Biochemical meChanisms of the antileishmanial activity of sodium stibogluconate. Antimicrobial Agents Chemotherapy. 27:916 (1985). 5. J.D. Berman, J.V. Gallalee, and J.M. Best. Sodium stibogluconate (Pentostam) inhibition of glucose catabolism via the glycolytic pathway, and fatty acid B-oxidation in Leishmania mexicana amastigotes. Biochem. Pharmacol. 36:197 (1987). 6. D.T. Hart and G.H. Coombs. Leishmania mexicana: Energy metabolism of amastigotes and promastigotes. Exper. Parasitol. 54:397 (1982). 478 EFFECTS OF SINEFUNGIN ON CELLULAR AND BIOCHEMICAL EVENTS IN PROMASTIGOTES OF LEISHMANIA d. donovani Fran~oise Lawrence, and MaIka Robert-Cero Institut de Chimie des Substances Naturelles C.N.R.S.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 280 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 504 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 80 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book presents methods for computing correlation equations. All the topics treated hefe are eluci dated in terms of concrete examples, which have been chosen, for the most part, from the Held of analysis of the mechanical properties of steel, wood, and other materials. A necessary prerequisite for any study of correlation equations is so me knowledge of the moments of random variables. In the Appendix, there is provided a brief treatment of moments, as well as a discussion of the simplest methods of computing them. We have paid particular attention in this book to the techniques of computing correlation equations, and to the use of tables for alleviating the computationalload. The mathematical bases of the methods used in setting up correlation equations are expounded in the books cited at the end of this volume. A. M. December 1965 PIe ase note that the abbreviation 19 is used in this book to designate the logarithm to base ten, Note further that the comma has been retained as the decimal point in tabular material. 112 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 60 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 180 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 84 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 128 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -It can be concluded (under the specific experimental procedures em ployed) that:- 1) HCG labelled with 1 - 2 atoms of radioactive iodine did not differ sig nificantly from the unlabelled hormone; 2) The ovary alone exhibited a capacity to affix specifically HCG; 3) The amount of radioactive material in the ovary was directly proport ional to the quantity of labelled HCG injected; 4) When the HCG present in the circulation is bound to an antiserum to HCG, the antigen-antibody complex is not concentrated by the ovary; 5) Circulating labelled HCG decreased to 50% within 30 minutes following a single intravenous injection; 6) There are four different phases of ovarian uptake of HCG, namely: the first phase, when there is only an inflow from the circulation and stor age mainly in the follicular envelopes; the second phase, when there is a greater inflow than outflow; the third phase, when the inflow is equal to the outflow; and the fourth period, when the outflow is bigger than the in flow. REFERENCES 1. Lunenfeld, B. and Eshkol, A. Vitamins and Hormones (1967) 25:165 2. Eshkol, A. In: Recent Research on Gonadotropbio Hormones, eds. E. T. Bell andJ. A. Loraine, Edinburgh, Livingstone (1967), p. 202. 3. Eshkol, A. and Lunenfeld, B. Proc. Tel-Hashomer Hosp. (1967) 6:4. ACKNOWLEOOMEN'IS This work was supported in part by a grant from the Population Council, N. Y. , U. S. A. andbyGrantNo. 676 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 336 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 312 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume contains the papers presented at the Seventh International Symposium on Acoustical Imaging and Holography. The meeting was held in Chicago, Illinois U.S.A. on August 30 - September 1, 1976. Since 1967 this series of conferences has served as an international forum for bringing together the many different facets of the ultrasonic visualization field. Medical diagnosis, nondestructive testing, underwater viewing, seismic the mapping, and acoustic analytical microscopy are examples of broad range applications of this technology. Throughly broad in scope, the common denominator that binds this volume together is the application of engineering and physics disciplines to the creation of images by means of ultrasonic waves. Efforts on the part of the program committe and their institutions are greatly appreciated, They are acknowledged below: Newell Booth Nave lex Arlington, Va. Byron B. Brendan Holosonics, Inc. Richland, Wa. Reginald C. Eggleton ICFAR-IU Medical School Indianapolis, In. Stanford Research Institute Philip S. Green Menlo Park, Ca. Henry Karplus Argonne National Labs Argonne, Il. J.D. Meindl Stanford University Stanford, Ca. Alexander F. Metherell University of California Irvine, Ca. R.K. Mueller University of Minnesota Stillwater, Mn. Frederick L. Thurstone Duke University Durham, N.C. vii viii PREFACE Glen Wade University of California Santa Barbara, Ca. Keith Wang University of Houston Houston, Tx. 672 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book introduces two most important aspects of modern analysis: the theory of measure and integration and the theory of Banach and Hilbert spaces. It is designed to serve as a text for first-year graduate students who are already familiar with some analysis as given in a book similar to Apostol's Mathematical Analysis. t This book treats in sufficient detail most relevant topics in the area of real and functional analysis that can be included in a book of this nature and size and at the level indicated above. It can serve as a text for a solid one-year course entitled 'Measure and Integration Theory' or a com prehensive one-year course entitled 'Banach Spaces, Hilbert Spaces, and Spectral Theory. ' For the latter alternative, the student is, of course, required to have some knowledge of measure and integration theory. The breadth of the book gives the instructor enough flexibility to choose what is best suited for his/her class. Specifically the following alternatives are available: (a) A one-year course on 'Measure and Integration' utilizing Chapters 1 (Sections l. l-1. 3 and 1. 6), 2, 3, 4, portions of 5 (information on Lp spaces), and portions of 7 (left to the discretion of the teacher). (b) A one-year course in 'Functional Analysis' utilizing Chapters 1 (Sections 1. 4-1. 6), 5, 6, 7 (Sections 7. 4 and 7. 6), and the Ap pendix. t T. M. Apostol, Mathematical Analysis, 2nd ed. , Addison-Wesley (1974). 544 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume contains the lectures and seminars presented at the NATO Advanced Study Institute on 'Physics of New Laser Sources', the twelfth course of the Europhysics School of Quantum Electronics, held under the supervision of the Quantum Electronics Division of the European Physical Society. The Institute was held at Centro 'I Cappuccini' San Miniato, Tuscany, July 11-21, 1984. The Europhysics School of Quantum Electronics was started in 1970 with the aim of providing instruction for young researchers and advanced students already engaged in the area of quantum electronics or for those wishing to switch into this area after working previously in other areas. From the outset, the School has been under the direction of Prof. F. T. Arecchi, then at the University of Pavia, now at the University of Florence, and Dr. D. Roess of Heraeus, Hanau. In 1981, Prof. H. Walther, University of Munich and Max-Planck Institut fur Quantenoptik joined as co-director. Each year the Directors choose a subj~ct of particular interest, alternating fundamental topics with technological ones, and ask colleagues specifically competent in the chosen areas to take the scientific responsibility for that course. 508 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 324 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Polymers and polymer composites have been increasinqly used in place of metals for various industries; namely, aerospace, automotive, bio-medical, computer, electrophotography, fiber, and rubber tire. Thus, an understanding of the interactions between polymers and between a polymer and a rigid counterface can enhance the applications of polymers under various environments. In meet ing this need, polymer tribology has evolved to deal with friction, lubrication and wear of polymeric materials and to answer some of the problems related to polymer-polymer interactions or oolymer rigid body interactions. The purpose of this first International Symposium was to introduce advances in studies of polymer friction and wear, especially in Britain and the U.S.S.R. Most earlier studies of the Fifties were stimulated by the growth of rubber tire industries. Continuous research through the Sixties has broadened the base to include other polymers such as nylon, polyolefins, and poly tetra fluoroethylene, or PTFE. However, much of this work was published in engineering or physics journals and rarely in chemistry journals; presumably, the latter have always considered the work to be too applied or too irrelevant. Not until recent years have chemists started to discover words such as tribo-chemistry or mechano chemistry and gradually become aware of an indispensable role in this field of polymer tribology. Thus, we were hoping to bring the technology up to date during this SympOSium, especially to the majority of participants, polymer chemists by training. 444 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 332 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This book treats a new, far-from-fully-developed area of molecular biophysics-enzyme physics. An attempt is made to survey this field, but primary consideration is given tothreeprob lems under investigation in the Polymer Structure Labaratory of the Institue of High-Molecular Compounds, Academy of Seiences ofthe USSR. The first problern is the genetic coding of the biologically fun.ctional structure of proteins. Its solution is based on physical theories of hydrophobic interactions. The second problern is the conformational properties of pro teins as the factor governing enzyme activity. The most direct methods for experimental investigation of questions in this area are optical, principally those involving natural and magnetic rota tion of the plane of polarization. A substantial portion of the book concerns optical activity; the Faraday effect is discussed in an appendix. The third problern is the manifestation of the cooperative properties of enzymes in the kinetics of enzymatic reactions and the solution of complex kinetic problems. This problern is espe cially pressing in connection with research on allosteric enzymes, which are responsible for feedback in metabolic processes. An appendix describes a new method for solving kinetic problems, based on the theory of graphs. This volume extends and details certain of the ideas ex pressed in my previous book, Molecules and Life: An Introduction to Molecular Biophysics, which was published in this series in 1965. 208 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 252 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 100 pp. Englisch.

Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware 208 pp. Englisch.