Springer springer jun 1976 (66 risultati)
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Preliminaires.- Espaces associes a un espace linaire a semi-normes.- Espaces completement reguliers et separes et espaces de fonctions continues.- Espaces associes aux espaces de fonctions continues.- Conditions de separabilite et…de compacite faible.- Application aux espaces de fonctions continues vectorielles. 164 pp. Französisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -and brief survey.- Transforms.- Locally compact groups and Haar measure.- Wishart¿s paper.- The noncentral Wishart density function.- Manifolds and exterior differential forms.- Invariant measures on manifolds.- Decompositions of m…atrices.- Examples using differential forms.- Cross sections and maximal invariants.- Random variable techniques.- The construction of zonal polynomials.- Problems for users of zonal polynomials. 348 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Sample space construction.- Associated dirichlet spaces and boundary conditions.- Examples related to Brownian motion.- Stable processes.- Hyperbolic half plane. 332 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -1. 1 Organization of the Immune System One of the most important survival mechanisms of vertebrates is their ability to recognize and respond to the onslaught of pathogenic microbes to which they are conti- ously exposed. The colle…ction of host cells and molecules involved in this recognition 12 response function constitutes its immune system. In man, it comprises about 10 cells 20 (lymphocytes) and 10 molecules (immunoglobulins). Its ontogenic development is c- strained by the requirement that it be capable of responding to an almost limitless variety of molecular configurations on foreign substances, while simultaneously remaining inert to those on self components. It has thus evolved to discriminate, with exquisite precision, between molecular patterns. The foreign substances which induce a response, called antigens, are typically large molecules such as proteins and polysaccharides. The portions of these with which immunoglobulins interact are called epitopes or determinants. A typical protein epitope may consist of a configuration formed by the spatial arrangements of four or five amino acids and have an average linear dimension of about 20 A. 152 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Stochastic processes often pose the difficulty that, as soon as a model devi ates from the simplest kinds of assumptions, the differential equations obtained for the density and the generating functions become mathematically formid…able. Worse still, one is very often led to equations which have no known solution and don't yield to standard analytical methods for differential equations. In the model considered here, one for tumor growth with an immunological re sponse from the normal tissue, a nonlinear term in the transition probability for the death of a tumor cell leads to the above-mentioned complications. Despite the mathematical disadvantages of this nonlinearity, we are able to consider a more sophisticated model biologically. Ultimately, in order to achieve a more realistic representation of a complicated phenomenon, it is necessary to examine mechanisms which allow the model to deviate from the more mathematically tractable linear format. Thus far, stochastic models for tumor growth have almost exclusively considered linear transition probabilities. 184 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -On August 25,1976 Prof. Dr. med. JEAN NORDMANN, Emeritus Professor of Strasbourg University, will celebrate his 80th anniversary. The task of paying tribute to Professor NORDMANN's many services to ophthalmology in a way worthy of…the occasion is so difficult that we decided to concentrate on the focal point of his life's work. In this issue scientists engaged in lens research from allover the world offer reports of their latest findings together with their best wishes and felicitations as a birthday gift to the Nestor of lens research. They thereby express their gratitude to Professor NORDMANN, who, with the lifelong in defatigable enthusiasm of a scientist, has most successfully persued the prob lems of lens metabolism. It is our sincerest hope that we may look forward to many more years in which to take advantage of Professor NORDMANN's superior knowledge. Among the contributions to this festive donation we miss the works of some authors who have always held Professor NORDMANN's special inter est. The editor has received several letters of longstanding friends who would have liked to submit a manuscript but had been unable to meet the deadline: Professor NORDMANN may rest assured that they, too, belong to the great number of congratulators from our field of research. We have been able to make this dedication thanks to Professor HENKES who readily agreed to publish our contributions in Documenta Ophthal mologica. Dr. Junk publishers have done their utmost to ensure prompt publication. 328 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The evaluation of diabetic retinopathy is often difficult, because the clinical picture is complex due to the mUltiplicity of symptoms. Omission of treatment by photocoagulation at the right moment may have grave consequences. Fort…he evaluation of diabetic retinopathy we have to estimate first the developmental degree of each symptom and secondly we have to estimate what the natural history of each particular retinopathy will be. There exists a number of classification systems, into the frame of which the clinical picture of diabetic retinopathy can be placed. Without entering into the details of these systems we want to mention that our classification has been developed from the method of Oakley and the classification model conceived at the Airlie House meeting in 1968. The essence of this classification is that standard pictures are used for the estimation of the developmental degree of the different symptoms in diabetic retinopathy. In our classification we use for each symptom two standard photographs instead of one, as originally proposed at the Airlie House meeting. (1,2). Standard photograph number one stands for the moderate (grade 1 ) manifestation and standard photograph numbertwo stands forthe marked (grade 2) manifestation of the symptom. Ifthe manifestation ofthe sympton is less marked than in standard photograph one, it is referred to as 2. 68 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Experiments on solitary waves.- Stimulated Raman and Brillouin scattering and the inverse method.- Direct method of finding exact solutions of nonlinear evolution equations.- Bäcklund transformations at the turn of the century.- Th…e application of Bäcklund transforms to physical problems.- On applications of generalized Bäcklund transformations to continuum mechanics.- Some old and new techniques for the practical use of exterior differential forms.- Bäcklund transformation of potentials of the Korteweg-deVries equation and the interaction of solitons with cnoidal waves.- Pseudopotentials and their applications.- Variational problems and Bäcklund transformations associated with the sine-gordon and Korteweg-deVries equations and their extensions.- The interrelation between Bäcklund transformations and the inverse scattering transform.- Relation between Bäcklund transformations and inverse scattering problems.- Some comments on Bäcklund transformations, canonical transformations, and the inverse scattering method. 304 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Strychnine and picrotoxin were tested as possible antagonists of two puta tive inhibitory transmitters in the retina: taurine and GABA, Strychnine was shown to antagonize the depressive action of taurine on the ERG b-wave, but it d…id not affect the depressive action of GABA. Conversely, picrotoxin had no effect on the depressive action of taurine on the ERG b-wave, but it antagonizes to some extent the depressive effect of GABA. These data, as well as those obtained through recording tectal evoked responses, lead to the conclusion that taurine and GABA do not act in the same way in retinal inhibitory synaptic transmission. REFERENCES CURTIS, D.R., AW. DUGGAN & G.A.R. JOflNSTON. Glycine, strychnine, picro toxine and spinal inhibition. Brain Res. 14, 759-762 (1969). CURTIS, D.R., L. HOSLI & G.AR. JOHNSTON. A pharmacological study of the depression of spinal neurones by glycine and related aminoacids. Exp. Brain Res. 6, 1-18 (1968 a). CURTIS, D.R., L.HOSLI, G.A.R. JOHNSTON & LH. JOHNSTON. The hyperpolariza tion of spinal motoneurones by glycine and related aminoacids. Exp. Brain Res. 5, 235-258 (1968 b). CURTIS, D.R. & A.K. TEBECIS. Bicuculline and thalamic inhibition. Exp. Brain Res. 16,210-218 (1972). DA VIDSON, N. & H. REISINE. Presynaptic inhibition in cuneate blocked by GABA antagonists. Nature New Biology 234,223-224 (1971). 424 pp. Englisch.
Lingua: Inglese
Editore: Springer, Springer Jun 1976, 1976
Serie: Libro 70 di 173 - Advances in Anatomy, Embryology and Cell Biology
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The thyroid gland first appears in the phylogenic scale in the Lamprey larva, Ammocoetes, at the time of metamorphosis (see review by Constantinescu, 1972). In higher Vertebrates the adult thyroid gland consists of vesicles i. e. t…hyroid follicles containing colloid and lined with a cubic or prismatic epithelium. Since the end of the 19th century, many authors have studied the morphoge nesis of the follicles during the embryonic and fetal development of the gland in Man and other species, principally Chick, Rat and Rabbit. The development of techniques for culturing organs of higher animals, in particular the thyroid by Carrel and Burrows (1910) and Champy (1914, 1915), allowed the study of the survival in vivo or in vitro of grafts or explants of thyroid gland obtained from adult or fetal animals. In addition to organotypic cultures, techniques for culturing cell suspensions obtained by enzymatic dissociation have recently been refined. Moreover, histological examination of pathological human glands and adult thyroids experimentally stimulated by thyrotropin hormone (TSH) has provided additional data for the understanding of thyroid follicle morphogenesis. 68 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Basic model theory.- Transfer theorems in algebra.- The ax-kochen-ershov transfer principle: (Diophantine problems over local fields).- Existentially complete structures.- Existentially complete division rings.- Existentially compl…ete modules.- Complete theories of abelian groups.- 1-categorical fields. 240 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This study is based upon the concept of nations with history and nations without history which was advanced in 1848/1849 in the pages of the Neue Rheinische Zeitung, a Cologne based German newspaper under the editorship of Karl Mar…x. This theory is presented in this study as a model of opposites; historic nations and non-historic nations, respec tively revolutionary nations and counter-revolutionary national groups which Engels and Marx associated with the philosophy of Hegel. As Marx and Engels saw it, Hegel had taught that nature and history abounded in opposites, and this was believed to be the essence of his dialectic. Marx liked this dialectic better than anything else in Hegel's thought and modified it to fit his own economic theory of history. In reality, however, there are no categories of opposites; certainly not in nature; no two colors are opposites; nor are any two times of the day, indeed nothing temporal, nothing living, nothing that is in process of becoming. ! It is only in human understanding that opposites are intro duced. In the history of ideas what has been a misunderstanding of Hegel's teachings has exerted a greater influence upon subsequent generations than Hegel's philosophy as he himself understood it. With Marx's development of the materialistic concept of history, the Volksgeist (Spirit of the Age), so pronounced in Hegel's work lost ground rapidly; first, because it was difficult to understand and second, because its mastery was hardly rewarding to anyone save scholars and philosophers. 148 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -and brief survey.- Transforms.- Locally compact groups and Haar measure.- Wishart's paper.- The noncentral Wishart density function.- Manifolds and exterior differential forms.- Invariant measures on manifolds.- Decompositions of matri…ces.- Examples using differential forms.- Cross sections and maximal invariants.- Random variable techniques.- The construction of zonal polynomials.- Problems for users of zonal polynomials.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 348 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Sample space construction.- Associated dirichlet spaces and boundary conditions.- Examples related to Brownian motion.- Stable processes.- Hyperbolic half plane.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 332 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This volume contains the papers presented at the International Symposium on Fluorescein Angiography held in Ghent, from 28 march to 1 april 1976, under the presidency of Prof. J. Fran90is. The book has been divided in several chapt…ers corresponding to the sessions of the meeting. The same order has been followed as for the pre sentation of the papers. The discussions, however, immediately follow the papers concerned. During the meeting complications of fluorescein angio graphy have been discussed; this part will be presented as a separate chapter at the end of the volume. I wish to express my gratitude to all who contributed to this volume and to all the participants of ISF A-Ghent. I acknowledge also the cooperation of the publishers Dr. W. Junk, B.V. J.J. De Laey, M.D. XI EDITORIAL We must be respectfully grateful to Her Majesty the Queen, who very kindly extended her high patronage to the International Symposium on Fluorescein Angiography. 656 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -It is fifteen years since Walker and Straw wrote the first edition of 'Spectroscopy' and considerable developments have taken place during that time in all fields of this expanding subject. In atomic spectroscopy, for example, wher…e the principles required in a student text have been laid down for many years, there have been advances in optical pumping and double resonance which cannot be neglected at undergraduate level. In addition, nuclear quadrupole resonance (n.q.f.) and far infrared spectroscopy now merit separate chapters while addtional chapters dealing with Mbssbauer spectroscopy, photoelectron spectroscopy and group theory are an essential requisite for any modern spectroscopy textbook. When the idea for a new edition of Spectroscopy was first discussed it quickly became clear that the task of revision would be an impossible one for two authors working alone. Consequently it was decided that the new edition be planned and co-ordinated by two editors who were to invite specialists, each of whom had experience of presenting their subject at an undergraduate level, to contribute a new chapter or to revise extensively an existing chapter. In this manner a proper perspective of each topic has been provided without any sacri fice of the essential character and unity of the first edition. The expansion of subject matter has necessitated the division of the complete work into three self contained volumes. Volume I includes atomic, n.m.f., n.q.f., e.s.r. and Mbssbauer spectroscopy. 336 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -An analysis of the particular topics in biological control programmes all over the world indicates an increased interest in the utilization of aphid parasites. Besides the so-called traditional biological control of introduced aphi…ds, there appears a situation which could perhaps be called a renaissance of biocontrol, i. e. the utilization of biotic agents against insecticide-resistant populations of aphid pests. The rapid increase in the amount of information as well as the necessity of syntheti- cal papers are the well-known features in today's entomology. This requirement is much more topical in the groups where brief summarized information is needed for research workers in applied branches. The author has been well aware of all these difficulties and requirements owing to his own experience both in basic and applied research. Several years ago he decided to summarize our knowledge on the aphid parasites of the world by elaborating synthetical studies on the particular zoogeographical areas.These papers have been intended to represent annotated reviews of the parasite fauna, distribution, biologies and utilization in aphid pest management, with keys to genera and species, hos- parasite catalogue, and a list of references added. Naturally, these studies are only relatively updated, with respect to a certain deadline from which the research may be further continued. At present, the Far East Asian and the Mediterranean areas have been reviewed in this or at least in a similar manner. 104 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Tableau des abreviations du glossaire . 9 Glossaire . . . . . . . . . . . . . 11 Annexes . . . . . . . . . . . . . 73 Annexe 1. Liste alphab6tique des termes synonymes 75 Annexe 2. Notations, abreviations, lettres grecques, signes…symbo- ques . . . . . . . . . . . . . . . . . . . 81 . . . . Annexe 3. Notations differentes de la litterature opilioacarologique. 85 Annexe 4. La terminologie anglaise (avec les references aux termes franc;ais) . . . . . . . . . . . . . . . . . 89 . . . . Annexe 5. La terminologie allemande (avec les references aux termes franc;ais) . . . . . . . . 95 Annexe 6. Bibliographie . . . . . . 101 Annexe 7. Tableaux, figures, planches . 105 INTRODUCTION Dans son important travail sur Opilioacarus segmentatus With, Grandjean (1936) remarquait que la terminologie joue un role capital dans Ie develop pement des sciences, et que la rendre precise et uniforme dans la classe des Arachnides serait un tres grand progreso En novembre 1967, quand on parlait chez lui, a Geneve, de la possibilite d'organiser des reunions d'acaro logues de langue fran9aise, Grandjean lui. meme nous suggerait de profiter de ces contacts pour jeter les bases d'un glossaire de la terminologie acaro logique; un tel glossaire pourrait contribuer a l'usage et a la propagation d'une terminologie plus generale. La Societe des Acarologues de Langue Fran9aise (fondee en 1968) crea a cet effet une commission (dont j'etais Ie responsable), et la preparation de plusieurs parties de ce glossaire (la partie generale et la partie sur les Opilioacarides, entre autres) me furent confiees. Le present travail, complet en soi-meme, constitue une des parties de ce glossaire (suivant Ie projet general il y aura une partie generale et huit parties speciales, une pour chaque ordre des Acariens). 156 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -AUGUST F. DEUTMAN, M.D. From October 16-18, 197 5 many distinguished ophthalmologists visited Nijmegen to inaugurate the new Eye Institute of the University of Nijmegen with a symposium on New Developments in Ophthalmology. The mee…ting was held under the auspices of the Netherlandish Ophthalmological Society (NOG) and had a high attendance of over 300 ophthalmologists from The Netherlands and from abroad. Many new and some controversial surgical techniques regarding corneal transplantation, phako-emulsification, intra-ocular lensimplantation, local excision of melanomas of the choroid and ciliary body, pars plana vitrec tomy, laser treatment in disciform macular degeneration and treatment of giant retinal tears were discussed. Since new surgical techniques have to be based on profound knowledge of the anatomy and physiology of the eye, many new basic and important data regarding the cornea, the vitreous body, the retinal vessels, the choroid and the orbit were presented by some of the foremost authorities. Technical advances in corneal transplantation were discussed, while the modern treatment of corneal ulcers and bacterial infections of the eye was presented. New findings such as computerized tomography, facilitate the diagnosis of underlying disease in exophthalmus enormously. The treatment of retinal detachment has improved considerably over the last ten years and we feel that in particular the safe non-drainage methods deserve attention. Cryo coagulation and photocoagulation have certain advances over diathermy and the radial placement of indenting suprascleral material may have consider able advantages over the limbus-parallel placement in horseshoe tears. 376 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Stochastic processes often pose the difficulty that, as soon as a model devi ates from the simplest kinds of assumptions, the differential equations obtained for the density and the generating functions become mathematically formidable…. Worse still, one is very often led to equations which have no known solution and don't yield to standard analytical methods for differential equations. In the model considered here, one for tumor growth with an immunological re sponse from the normal tissue, a nonlinear term in the transition probability for the death of a tumor cell leads to the above-mentioned complications. Despite the mathematical disadvantages of this nonlinearity, we are able to consider a more sophisticated model biologically. Ultimately, in order to achieve a more realistic representation of a complicated phenomenon, it is necessary to examine mechanisms which allow the model to deviate from the more mathematically tractable linear format. Thus far, stochastic models for tumor growth have almost exclusively considered linear transition probabilities.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 184 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -On August 25,1976 Prof. Dr. med. JEAN NORDMANN, Emeritus Professor of Strasbourg University, will celebrate his 80th anniversary. The task of paying tribute to Professor NORDMANN's many services to ophthalmology in a way worthy of the…occasion is so difficult that we decided to concentrate on the focal point of his life's work. In this issue scientists engaged in lens research from allover the world offer reports of their latest findings together with their best wishes and felicitations as a birthday gift to the Nestor of lens research. They thereby express their gratitude to Professor NORDMANN, who, with the lifelong in defatigable enthusiasm of a scientist, has most successfully persued the prob lems of lens metabolism. It is our sincerest hope that we may look forward to many more years in which to take advantage of Professor NORDMANN's superior knowledge. Among the contributions to this festive donation we miss the works of some authors who have always held Professor NORDMANN's special inter est. The editor has received several letters of longstanding friends who would have liked to submit a manuscript but had been unable to meet the deadline: Professor NORDMANN may rest assured that they, too, belong to the great number of congratulators from our field of research. We have been able to make this dedication thanks to Professor HENKES who readily agreed to publish our contributions in Documenta Ophthal mologica. Dr. Junk publishers have done their utmost to ensure prompt publication.Springer-Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 328 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This volume contains the papers presented at the International Symposium on Fluorescein Angiography held in Ghent, from 28 march to 1 april 1976, under the presidency of Prof. J. Fran90is. The book has been divided in several chapters…corresponding to the sessions of the meeting. The same order has been followed as for the pre sentation of the papers. The discussions, however, immediately follow the papers concerned. During the meeting complications of fluorescein angio graphy have been discussed; this part will be presented as a separate chapter at the end of the volume. I wish to express my gratitude to all who contributed to this volume and to all the participants of ISF A-Ghent. I acknowledge also the cooperation of the publishers Dr. W. Junk, B.V. J.J. De Laey, M.D. XI EDITORIAL We must be respectfully grateful to Her Majesty the Queen, who very kindly extended her high patronage to the International Symposium on Fluorescein Angiography.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 656 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -This study is based upon the concept of nations with history and nations without history which was advanced in 1848/1849 in the pages of the Neue Rheinische Zeitung, a Cologne based German newspaper under the editorship of Karl Marx. T…his theory is presented in this study as a model of opposites; historic nations and non-historic nations, respec tively revolutionary nations and counter-revolutionary national groups which Engels and Marx associated with the philosophy of Hegel. As Marx and Engels saw it, Hegel had taught that nature and history abounded in opposites, and this was believed to be the essence of his dialectic. Marx liked this dialectic better than anything else in Hegel's thought and modified it to fit his own economic theory of history. In reality, however, there are no categories of opposites; certainly not in nature; no two colors are opposites; nor are any two times of the day, indeed nothing temporal, nothing living, nothing that is in process of becoming. ! It is only in human understanding that opposites are intro duced. In the history of ideas what has been a misunderstanding of Hegel's teachings has exerted a greater influence upon subsequent generations than Hegel's philosophy as he himself understood it. With Marx's development of the materialistic concept of history, the Volksgeist (Spirit of the Age), so pronounced in Hegel's work lost ground rapidly; first, because it was difficult to understand and second, because its mastery was hardly rewarding to anyone save scholars and philosophers.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 148 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Basic model theory.- Transfer theorems in algebra.- The ax-kochen-ershov transfer principle: (Diophantine problems over local fields).- Existentially complete structures.- Existentially complete division rings.- Existentially complete…modules.- Complete theories of abelian groups.- 1-categorical fields.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 240 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Experiments on solitary waves.- Stimulated Raman and Brillouin scattering and the inverse method.- Direct method of finding exact solutions of nonlinear evolution equations.- Bäcklund transformations at the turn of the century.- The ap…plication of Bäcklund transforms to physical problems.- On applications of generalized Bäcklund transformations to continuum mechanics.- Some old and new techniques for the practical use of exterior differential forms.- Bäcklund transformation of potentials of the Korteweg-deVries equation and the interaction of solitons with cnoidal waves.- Pseudopotentials and their applications.- Variational problems and Bäcklund transformations associated with the sine-gordon and Korteweg-deVries equations and their extensions.- The interrelation between Bäcklund transformations and the inverse scattering transform.- Relation between Bäcklund transformations and inverse scattering problems.- Some comments on Bäcklund transformations, canonical transformations, and the inverse scattering method.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 304 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The evaluation of diabetic retinopathy is often difficult, because the clinical picture is complex due to the mUltiplicity of symptoms. Omission of treatment by photocoagulation at the right moment may have grave consequences. Forthe e…valuation of diabetic retinopathy we have to estimate first the developmental degree of each symptom and secondly we have to estimate what the natural history of each particular retinopathy will be. There exists a number of classification systems, into the frame of which the clinical picture of diabetic retinopathy can be placed. Without entering into the details of these systems we want to mention that our classification has been developed from the method of Oakley and the classification model conceived at the Airlie House meeting in 1968. The essence of this classification is that standard pictures are used for the estimation of the developmental degree of the different symptoms in diabetic retinopathy. In our classification we use for each symptom two standard photographs instead of one, as originally proposed at the Airlie House meeting. (1,2). Standard photograph number one stands for the moderate (grade 1 ) manifestation and standard photograph numbertwo stands forthe marked (grade 2) manifestation of the symptom. Ifthe manifestation ofthe sympton is less marked than in standard photograph one, it is referred to asSpringer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 68 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Ultrastructure and micro-electrophy-siology of the macula.- Normal and abnormal visual pathways and the cortical representation of the visual field.- Data analysis of electrophysiological signals.- Macular electro-oculography.- The exa…mination of the foveolar and perifoveolar function with the aid of flicker fusion thresholds and flicker Erg responses.- Erg and Eog diagnosis and prognosis of bull's eye maculopathy.- Clinical and electrophysiological findings of a case of fundus flavimaculatus.- A pattern stimulus for optimal response from the retina.- Topographical analysis of the pattern evoked response (Per): Its application to the study of macular and peripheral vision in normal people and in some pathological cases.- Electro-Ophthalmology in senile macular degenerations.- Some results on mathematical analysis of dynamic ERG.- Calculation of glare effect.- Preliminary attempt at a digital processing of the electro-oculogram (EOG): Application to a spatio-temporal time and space analysis of saccadic eye movements during free search.- Time constant of the decay process of both ERG and VER at the off-set of stimulation.- Statistical discrimination between visual evoked responses according to photostimulus wavelength.- Dynamic electroretinography in monochromatic lights and fluorescence electroretinography in lemurs.- Behaviour of the ganglion cells of the frog's retina submitted to a polarizing current: an in vivo study.- ERG photometry in goldfish by the criterion response method.- Contribution to the study of ocular interdependence by electro-oculo-graphy.- Contralateral effect in the electro-oculogram: Experimental verification and clinical implications.- Recent data on two putative inhibitory transmitters in the retina: Tourine and Gaba.- Increased size ofB-wave in the rabbit after intravenous diphenylhydantoin.- Preservation of ERG in the isolated perfusing eye by fluorocarbon as the erythrocyte substitute.- The effects of glycine on the rabbit retina averaged ERG and microscopic anatomy.- Azide poisoning: Its effects on P III resting potential of the isolated retina.- C-wave amplitude oscillations in the sheep ERG.- In tensity-Amplitude relationship and cyclic variations of the C-wave of the human D.C. registered ERG.- The effect of barbiturate on the C-wave of the electroretino-gram and the standing potential of the sheep eye.- The effect of elevated intraocular pressure on the human ERG and VER.- Paravenous pigmentary retinopathy.- A comparison of electroretinographic and dark adaptation studies in retinitis pigmentosa.- Tapeto-choroidal atrophy.- The oscillatory potentials of the ERG in Oguchi's disease.- The influence of myopia on the EOG.- ERG in cases of therapeutic light coagulation.- ERG and EOG-results in toxocara canis retino chorioiditis.- Effect of stimulus duration on the oscillatory potentials of the human electro-retinogram.- Sensory and electrocortical determination of the area-luminance relationship in response to intermittent light stimulation in man.- Ocular dipole moment (ODM) - Variation excited by photo-flash.- The slow dark oscillation of the ocular dipole moment (ODM) -Dependence upon the amplitude of the step to darkness.- Electrophysiological and psychophysical examinations of a family with progressive cone dystrophy.- Visual evoked response and antimalarial drugs.- Comparative electrophysiological observations of intraocular tumours and retinal detachments.- The macular function in the ERG.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 424 pp. Englisch.
Lingua: Inglese
Editore: Springer, Springer Jun 1976, 1976
Serie: Libro 70 di 173 - Advances in Anatomy, Embryology and Cell Biology
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The thyroid gland first appears in the phylogenic scale in the Lamprey larva, Ammocoetes, at the time of metamorphosis (see review by Constantinescu, 1972). In higher Vertebrates the adult thyroid gland consists of vesicles i. e. thyro…id follicles containing colloid and lined with a cubic or prismatic epithelium. Since the end of the 19th century, many authors have studied the morphoge nesis of the follicles during the embryonic and fetal development of the gland in Man and other species, principally Chick, Rat and Rabbit. The development of techniques for culturing organs of higher animals, in particular the thyroid by Carrel and Burrows (1910) and Champy (1914, 1915), allowed the study of the survival in vivo or in vitro of grafts or explants of thyroid gland obtained from adult or fetal animals. In addition to organotypic cultures, techniques for culturing cell suspensions obtained by enzymatic dissociation have recently been refined. Moreover, histological examination of pathological human glands and adult thyroids experimentally stimulated by thyrotropin hormone (TSH) has provided additional data for the understanding of thyroid follicle morphogenesis.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 68 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -An analysis of the particular topics in biological control programmes all over the world indicates an increased interest in the utilization of aphid parasites. Besides the so-called traditional biological control of introduced aphids,…there appears a situation which could perhaps be called a renaissance of biocontrol, i. e. the utilization of biotic agents against insecticide-resistant populations of aphid pests. The rapid increase in the amount of information as well as the necessity of syntheti- cal papers are the well-known features in today's entomology. This requirement is much more topical in the groups where brief summarized information is needed for research workers in applied branches. The author has been well aware of all these difficulties and requirements owing to his own experience both in basic and applied research. Several years ago he decided to summarize our knowledge on the aphid parasites of the world by elaborating synthetical studies on the particular zoogeographical areas.These papers have been intended to represent annotated reviews of the parasite fauna, distribution, biologies and utilization in aphid pest management, with keys to genera and species, hos- parasite catalogue, and a list of references added. Naturally, these studies are only relatively updated, with respect to a certain deadline from which the research may be further continued. At present, the Far East Asian and the Mediterranean areas have been reviewed in this or at least in a similar manner.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 104 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Table des Matières.- Tableau des abréviations du glossaire.- Glossaire.- Annexes.- Annexe 1. Liste alphabétique des termes synonymes.- Annexe 2. Notations, abréviations, lettres grecques, signes symboliques.- Annexe 3. Notations différ…entes de la littérature opilioacarologique.- Annexe 4. La terminologie anglaise (avec les références aux termes français).- Annexe 5. La terminologie allemande (avec les références aux termes français).- Annexe 6. Bibliographie.- Annexe 7. Tableaux, figures, planches.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 156 pp. Englisch.
