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  • 1
    Online Resource
    Online Resource
    The Germination of Seeds : Pergamon International Library of Science, Technology, Engineering and Social Studies. (1982)
    Cambridge :Elsevier Science & Technology,
    Details
    Keywords: Germination. ; Electronic books.
    Description / Table of Contents: The Germination of Seeds, Third Edition contains the same content in the previous edition, but with modifications in each section, containing updated information. As the first two editions, this edition attempts to treat critically the available information on seed germination and to assimilate this information. This text first discusses the structure and chemical composition of seeds. This book then explains germination and related concepts, such as factors affecting this process, inhibition and stimulation, and seed metabolism. This selection concludes by explaining the ecology of germination. This publication will be invaluable to those in the field of agriculture, as well as students and layperson interested in seed germination.
    Type of Medium: Online Resource
    Pages: 1 online resource (232 pages)
    Edition: 3rd ed.
    ISBN: 9781483190440
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1661471
    DDC: 581.333
    Language: English
    Note: Front Cover -- The Germination of Seeds -- Copyright Page -- Table of Contents -- PREFACE TO THE THIRD EDITION -- PREFACE TO THE SECOND EDITION -- PREFACE TO THE FIRST EDITION -- Chapter 1. THE STRUCTURE OF SEEDS AND SEEDLINGS -- Bibliography -- Chapter 2. CHEMICAL COMPOSITION OF SEEDS -- I. Carbohydrates -- II. Lipids -- III. Proteins -- IV. Other Components -- Bibliography -- Chapter 3. FACTORS AFFECTING GERMINATION -- I. Viability and Life Span of Seeds -- II. External Factors Affecting Germination -- Bibliography -- Chapter 4. DORMANCY, GERMINATION INHIBITION AND STIMULATION -- I. Secondary Dormancy -- II. Possible Causes of Dormancy -- III. Germination Stimulators -- IV. Hormones in Germination -- Bibliography -- Chapter 5. METABOLISM OF GERMINATING SEEDS -- I. Changes in Storage Products During Germination -- II. Metabolism of Storage Products and Synthesis of Nucleic Acids and Proteins -- III. Respiration -- Bibliography -- Chapter 6. THE EFFECT OF GERMINATION INHIBITORS AND STIMULATORS ON METABOLISM AND THEIR POSSIBLE REGULATORY ROLE -- I. Effect of Natural Growth Substances -- II. The Effects of Coumarin and Thiourea -- III. The Effect of Various Metabolic Inhibitors -- Bibliography -- Chapter 7. THE ECOLOGY OF GERMINATION -- I. Effect of the Mother Plant -- II. External Factors in the Habitat of the Germinating Seed -- III. Ecological Role of External Factors -- Bibliography -- PLANT INDEX -- AUTHOR INDEX -- SUBJECT INDEX.
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  • 2
    Online Resource
    Online Resource
    The Germination of Seeds. (1982)
    San Diego :Elsevier Science & Technology,
    Details
    Keywords: Germination. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (232 pages)
    Edition: 3rd ed.
    ISBN: 9781483138046
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1604032
    DDC: 581.333
    Language: English
    Note: Front Cover -- The Germination of Seeds -- Copyright Page -- Table of Contents -- Preface to The Third Edition -- Preface to The Second Edition -- Preface to The First Edition -- Chapter 1. THE STRUCTURE OF SEEDS AND SEEDLINGS -- Bibliography -- Chapter 2. CHEMICAL COMPOSITION OF SEEDS -- I. Carbohydrates -- II. Lipids -- III. Proteins -- IV. Other Components -- Bibliography -- Chapter 3. FACTORS AFFECTING GERMINATION -- I. Viability and Life Span of Seeds -- II. External Factors Affecting Germination -- Bibliography -- Chapter 4. DORMANCY, GERMINATION INHIBITION AND STIMULATION -- I. Secondary Dormancy -- II. Possible Causes of Dormancy -- III. Germination Stimulators -- IV. Hormones in Germination -- Bibliography -- Chapter 5. METABOLISM OF GERMINATING SEEDS -- I. Changes in Storage Products During Germination -- II. Metabolism of Storage Products and Synthesis of Nucleic Acids and Proteins -- III. Respiration -- Bibliography -- Chapter 6. THE EFFECT OF GERMINATION INHIBITORS AND STIMULATORS ON METABOLISM AND THEIR POSSIBLE REGULATORY ROLE -- I. Effect of Natural Growth Substances -- II. The Effects of Coumarin and Thiourea -- III. The Effect of Various Metabolic Inhibitors -- Bibliography -- Chapter 7. THE ECOLOGY OF GERMINATION -- I. Effect of the Mother Plant -- II. External Factors in the Habitat of the Germinating Seed -- III. Ecological Role of External Factors -- Bibliography -- PLANT INDEX -- AUTHOR INDEX -- SUBJECT INDEX.
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  • 3
    Electronic Resource
    Electronic Resource
    EXAFS study of myoglobin in solution and in crystalline form (1980)
    Springer
    European biophysics journal 6 (1980), S. 36-36 
    Details
    ISSN: 1432-1017
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00647510
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    NMR study of CO binding to the α and Β chains of hemoglobin kansas (1980)
    Springer
    European biophysics journal 6 (1980), S. 50-50 
    Details
    ISSN: 1432-1017
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00647523
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Determination of the Raman tensor of the haem group in myoglobin by resonance Raman scattering in solution and single crystals (1983)
    Springer
    European biophysics journal 10 (1983), S. 257-273 
    Details
    ISSN: 1432-1017
    Keywords: Myoglobin ; Resonance Raman scattering ; Dispersion of depolarization ratio ; Symmetry distortions ; Haem ; Single crystals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract We have measured the depolarization ratio and the excitation profiles of the Raman lines at 1,355 cm−1, 1,564 cm−1 and at 1,373 cm−1, 1,580 cm−1 in solutions of deoxy Mb and ferric MbCN, respectively, in the region between the Soret and the α, Β-bands. From their dispersion we have determined the tensor components of the Raman tensor by an extension of Loudon's theory, taking into account static distortions from the ideal D 4h -symmetry of the haem group, induced by haem-protein interactions and the interaction of the side-chains with the porphyrin skeleton (Schweitzer et al. 1984). Analogous to the excitation profiles in solution, measurements on Mb single crystals yield intensities I a, b which are related to the tensor components viewed in the laboratory system, spanned by the three orthogonal crystals axes a, b, c *. By using the structural data of the crystals and coordinate transformation from the system of the molecular coordinates into the laboratory system, the quantities I a, b can be calculated by use of the tensor components determined from the solution data. The values thus calculated and those which are determined experimentally from the single crystals are in good agreement. This confirms the theoretical approach of Schweitzer et al. (l984).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00535553
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  • 6
    Electronic Resource
    Electronic Resource
    Validation and error analysis of a strata modelling technique (1984)
    Springer
    Geotechnical and geological engineering 2 (1984), S. 305-321 
    Details
    ISSN: 1573-1529
    Keywords: Coal mining ; finite difference analysis ; error analysis ; strata control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary Sources of error are investigated for a two-dimensional finite difference computer program designed to model strata deformation. The program calculates the displacements of a mesh of ‘mass points’, by the iterative solution of equations of equilibrium for the stresses acting on each mass point. The effect of errors on both displacement estimates and stress estimates is considered. Round-off errors are discussed analytically, while the effect of choosing too coarse a mesh density is demonstrated by comparison of two runs of the program with identical material properties, but different mesh densities. The influence of boundary conditions and the result of incomplete relaxation of the finite difference equations is estimated by comparison with Kirsch's analytical solution for a thin plate of finite width with a circular hole under unidimensional load. As a result of the analysis, estimators for stresses and displacements are derived, which make allowance for some of the sources of error; suitable boundary conditions for first and subsequent runs of the program are proposed; and a convergence criterion for the iterative process is suggested. These results are then applied to simulations of mining situations, together with various refinements of the basic model, such as separation and ‘slip’ between adjacent strata, and an allowance for failure of material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00881119
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  • 7
    Electronic Resource
    Electronic Resource
    Stochastic methods for the prediction of strata behaviour (1984)
    Springer
    Geotechnical and geological engineering 2 (1984), S. 291-304 
    Details
    ISSN: 1573-1529
    Keywords: Coal mining ; strata control ; finite difference analysis ; stochastic methods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary A two-dimensional finite difference computer program, with the facility to represent stratified material by means of a mesh of ‘mass points’ with different material properties in each square of the mesh, is adapted to run on a mesh whose material properties are selected stochastically from a specified distribution. The program uses an iterative method to solve the equations of equilibrium, giving estimates of displacements and stresses. Lattices of normally distributed (zero mean, unit variance) random values are produced: lattices of statistically independent values and lattices whose values are spatially correlated, to give the effect of gradual variations resulting in regions of positive values and regions of negative values. These lattices are used to generate the material properties: Young's modulus, Poisson's ratio and density. Each property has a specified mean and standard deviation for each material in the model, and the precise values for each mass point are calculated from the relevant lattices. A simple model with a square opening is used to investigate the effect of this stochastic generation of material properties, by comparison of stresses and displacements near the opening for runs of the program with (1) deterministic and (2) stochastic properties. Similar lattices of random values are used to introduce a stochastic element in the criterion for failure of materials. This is applied to a more realistic simulation of a mining situation, where Mohr's Criterion is used, with a stochastic component, to determine whether failure has occurred at each point of the mesh.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00881118
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  • 8
    Electronic Resource
    Electronic Resource
    Simple and rapid separation of ortho- and paramyxovirus glycoproteins (1980)
    Springer
    Medical microbiology and immunology 168 (1980), S. 249-259 
    Details
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The hemagglutinin (HA) and neuraminidase (NA) of influenza viruses, as well as the fusion protein (F) and hemagglutinin-neuraminidase (HN) of paramyxoviruses, have been separated in native form using a two-step procedure. The glycoproteins are efficiently extracted from virions using the non-ionic detergent octyl-Β-D-glucoside and are then applied to a column of agarose beads coupled with tyrosine-sulfanilic acid. PureHA andF are obtained in good yield in the flow-through from this column.NA andHN bind strongly and can be eluted, albeit somewhat contaminated withHA orF, by raising the pH of the column buffer. The separated non-denaturated fractions can be used for structural, functional, and antigenic studies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02121808
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  • 9
    Electronic Resource
    Electronic Resource
    Calcium oxalate crystals inOpuntia ficusindica (L.) mill.: Development and relation to mucilage cells — A stereological analysis (1981)
    Springer
    Protoplasma 109 (1981), S. 271-283 
    Details
    ISSN: 1615-6102
    Keywords: Calcium-oxalate crystals ; Development ; Mucilage ; Opuntia ficus-indica ; Stereology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary In the succulent tissue ofOpuntia ficusindica development of calcium oxalate crystals was followed from the shoot apex to its base, using stereological analysis. The stereological parameters relating to the crystal cells were compared with those of mucilage cells, of the same tissue. A fairly monotonic relation between the stereological parameters of the two populations was noted. The possible physiological relation between the two cell populations is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287447
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  • 10
    Electronic Resource
    Electronic Resource
    Kinetische Bestimmung von Harnsäure und Cholesterin (1984)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 317 (1984), S. 757-758 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593907
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