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  • 1
    Call number: M 16.90275
    Description / Table of Contents: Preface -- Contents -- Contributors -- Part I: Limnology, History and Comparative Legends -- 1: Pavin, the Birthplace of French Limnology (1770-2012), and Its Degassing Controversy (1986-2016) -- 1.1 Introduction -- 1.2 Analysis of Pavin Actors, History and Perception Through an Interdisciplinary and Intercomparative Approach -- 1.3 Pavin, a Typical Maar-Lake Above any Contamination Source -- 1.3.1 Pavin General Features -- 1.3.2 Pavin Compared to Other Lakes of the Cézallier Lake District -- 1.3.3 Pavin Compared to Other European Maar-Lakes -- 1.3.3.1 Eifel Lakes
    Description / Table of Contents: 1.3.3.2 Italian Lakes -- 1.4 Pavin Scientific Exploration (1770-1985) -- 1.4.1 Chevalier's Expedition (1770) -- 1.4.2 Lecoq, the Great Auvergne Naturalist, Normalizes Pavin… with Fishes (1847-1871) -- 1.4.3 The First Golden Age of Science at Pavin: Berthoule, Delebecque, Martel, Bruyant (1880-1914) -- 1.4.3.1 Clermont Botanists and Zoologists Establish the Limnological Station at Besse -- 1.4.3.2 André Delebecque at Pavin (1892) -- 1.4.3.3 Edouard-Alfred Martel at Creux de Soucy (1892) -- 1.4.4 Pavin Meromixis Discovery by Olivier and Pelletier (1950-1960s)
    Description / Table of Contents: 1.5 Pavin Acquires a Status of International Field Laboratory (1965-2000) -- 1.5.1 International Projects Select Pavin as a Pristine Lake (1965-1975) -- 1.5.2 Pavin, a Laboratory for Innovative Lake Research (1965-1986) -- 1.6 Maar Lakes Degassing Evidence in Cameroun and Italy -- 1.6.1 Nyos (21 August 1986) and Monoun (15 August 1984) Degassing Events and Their Effects on Populations -- 1.6.2 Ancient Degassing Events in Italian Maar-Lakes, Albano and Monticchio -- 1.6.2.1 The Albano Catastrophic Degassing and Spillover Event in Latium (398 BC)
    Description / Table of Contents: 1.6.2.2 Monticchio Lakes (Southern Italy) and Their Pioneer Degassing Studies, 1777-1838 -- 1.7 Sensory Grid of Degassing in Maar-Lakes -- 1.8 Pavin Degassing Controversy (1986-2016) -- 1.9 Conclusions -- References -- 2: Pavin, A Rich but Fragmented History (200 AD-2016) -- 2.1 Introduction -- 2.2 Finding Pavin Puzzle Pieces -- 2.3 Pavin's History Highlights -- 2.3.1 Antiquity: A Pompeian Millstone Retrieved from Pavin Waters in 1909 -- 2.3.2 Early Antique and Medieval Worship Near Pavin, on the Vassivière Mountain
    Description / Table of Contents: 2.3.3 Lacus pavens Terrifies the Whole Region Throughout the Sixteenth Century -- 2.3.3.1 The Terrible Explosion Witnessed at Vassivière by Besse People (28 August 1551 Pavin Event) -- 2.3.3.2 A Hazardous Abyss, Generating Storm, Thunder and Hail, Presented to Charles IX (1566) -- 2.3.3.3 Pavin Painted on the First Realistic Landscape Picture in France (1571-1579) -- 2.3.3.4 Pavin Marvelous Response to a Thrown Stone in Belleforest's Cosmographia Universalis (1575) -- 2.3.3.5 Lacus pavens, the Terrifying Lake, Is the Original Pavin Name (Banc 1605)
    Description / Table of Contents: 2.3.4 The Admirable and Terrifying Pavens Gets Famous During the Seventeenth Century
    Type of Medium: Monograph available for loan
    Pages: XV, 421 S.
    ISBN: 9783319399607
    Classification: A.3.2.
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 43 (1987), S. 1721-1723 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 1987-09-15
    Print ISSN: 0108-2701
    Electronic ISSN: 1600-5759
    Topics: Chemistry and Pharmacology , Geosciences , Physics
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  • 4
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Automated alpha and gamma spectrometry systems have been fabricated to analyze large numbers of samples in batches and to perform on-line analysis for a number of experiments concurrently. Specially designed sample changers for alpha and gamma spectrometry and gamma scanners for used fuel and in-situ glass leach experiments have been built. These communicate through digital interfaces, microprocessors, microcomputers and programmable controllers to a Nuclear Data model ND6700 computer/spectrometer. Application software for data entry and reports has been written to interact with Nuclear Data software to pemit easy and efficient operation.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Spent ion-exchange resins are produced in the purification of coolant and moderator systems during the normal operation of CANDU (Canada deuterium uranium) nuclear reactors. Carbon-14 is a radionuclide of concern in disposal of ion-exchange resins because of its relatively long half-life, its potential high mobility and its ability to be easily incorporated into organisms. Only limited data are presently available on the14C concentrations of spent from CANDU reactors. To establish a more comprehensive datahase for this radionuclide, concentrations of14C were determined for two moderator resins from Bruce Nuclear Generating Station A. Mixed bed resins were separated into anion and cation fractions using a sugar solution, and the14C concentrations were determined for each fraction. Carbon-14-was located predominantly on the anion beads. Samples of anion resin were found to undergo an 81% loss in the14C concentration over a period of 160 d following the sugar separation procedure. Some evidence is given to suggest this loss in14C may result from microbial activity. Concentrations and distributions of other predominant radionuclides, such as60Co and153Gd, are discussed as well.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0762
    Keywords: Anaphes victus ; Supernumerary larvae ; Oviposition interval ; Facultative hyperparasitism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In solitary parasitoids, in which only one individual can emerge per host, the adaptive value of conspecific superparasitism is a function of the survival probability of the egg laid by the superparasitizing female. In the few cases which these probabilities are compared, the oldest immature has an advantage over the other individuals. We measured the acceptance rate of parasitized hosts and survival rate of supernumerary larvae in Anaphes victus (Hymenoptera: Mymaridae) in relation to the interval between ovipositions. When this interval was 5–7 days, the first immature was at the prepupa and pupa stage respectively, and female Anaphes victus changed their oviposition behavior markedly. They killed the developing parasitoid of their own species before ovipositing in it. The progeny of these females, which are normally primary parasitoids, developed thereafter as hyperparasitoids. Indeed, in contrast with other species, the survival of the second female's progeny increased with the time interval between ovipositions. This type of facultative intraspecific hyperparasitism is different from autoparasitism in Aphelinidae and has never been mentioned in other parasitoids; it would be adaptive if females of this short-lived species encounter low-quality patches.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 202 (1979), S. 203-212 
    ISSN: 1432-0878
    Keywords: Mineralization processes ; Scales ; Teleost fish ; Matrix vesicles ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In Teleost fish scales, growth and mineralization are continuous. Different mineralization processes can be distinguished. The external layer of the scale is the first to be mineralized and may be classified as the initial calcifying structure of the scale. The initial calcification loci are matrix vesicles of cellular origin always observed during the formation of this layer. This mineralization process takes place progressively, closely following the elaboration of the organic matrix in the scale periphery. The outer limiting and internal layers of the scale are developed after the external layer has been formed. A mineral substance is deposited without the mediation of matrix vesicles, but in contact with the previously mineralized external layer. This type of mineralization is called subsequential. However, the mineralization of the outer limiting layer closely follows the secretion of a collagen-free organic matrix and is thus different from the mineralization of the internal layer in which the calcification front remains remote from the collagen matrix surface and corresponds to a delayed mineralization process. The isolated calcifications (Mandl's corpuscles) which develop in the unmineralized laminae of the internal layer are mineralized in the absence of matrix vesicles and without making contact with a pre-existing calcified tissue, probably by a heterogeneous nucleation of the collagen fibrils.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0878
    Keywords: Calcergy ; Calcification ; Cutaneous calcinosis ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary In rats a subcutaneous injection of KMnO4 leads to the calcification of the connective tissue. During mineral deposition, both intra- and extracellular changes are observed in the connective tissue. The intracellular phase is characterized by the formation of intramitochondrial granules and cytoplasmic vesicles, both in fibroblastic and extrinsic cells. In the extracellular phase, numerous heterogeneous matrix vesicles appear in the extracellular matrix. At the same time, globular particles which are resistant to microincineration, are observed between the collagen fibrils. The mineralization of the extracellular matrix takes place in two stages. The first stage comprises the appearance of needle-like structures and round aggregates. The needle-like structures are observed occasionally in the matrix vesicles and often in the extracellular matrix where they appear isolated or diverging from a central point. The round aggregates, composed of dense particles, are seen in the ground substance between the collagen fibrils. The second stage is characterized by a progressive mineralization of the collagen fibrils and the elastic fibers, without formation of extended calcified plaques.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-0762
    Keywords: Key wordsAnaphes victus ; Supernumerary larvae ; Oviposition interval ; Facultative hyperparasitism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In solitary parasitoids, in which only one individual can emerge per host, the adaptive value of conspecific superparasitism is a function of the survival probability of the egg laid by the superparasitizing female. In the few cases which these probabilities are compared, the oldest immature has an advantage over the other individuals. We measured the acceptance rate of parasitized hosts and survival rate of supernumerary larvae in Anaphes victus (Hymenoptera: Mymaridae) in relation to the interval between ovipositions. When this interval was 5–7 days, the first immature was at the prepupa and pupa stage respectively, and female Anaphes victus changed their oviposition behavior markedly. They killed the developing parasitoid of their own species before ovipositing in it. The progeny of these females, which are normally primary parasitoids, developed thereafter as hyperparasitoids. Indeed, in contrast with other species, the survival of the second female’s progeny increased with the time interval between ovipositions. This type of facultative intraspecific hyperparasitism is different from autoparasitism in Aphelinidae and has never been mentioned in other parasitoids; it would be adaptive if females of this short-lived species encounter low-quality patches.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1573-9368
    Keywords: TGFβ1 ; knockoutmice ; gnotobiotic ; germ-free ; pathology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Barrier-raised transforming growth factor β1 (TGFβ1)-deficient mice consistently die before 35 days of age of a severe multiorgan inflammatory disease that can affect the skeletal muscle, heart, liver, pancreas, salivary gland, lung, oesophagus and stomach. The underlying cause of this disease is not known. To determine whether abnormal responsiveness of the immune system to the presence of enteric flora plays a causative role, a colony of TGFβ1-deficient and wild-type mice were raised in a sterile environment. Seven germ-free TGFβ1-deficient and 5 germ-free TGFβ1 wild-type mice were examined. Lesion development was analysed and compared with historical data on 50 barrier-raised TGFβ1 mutant mice and 32 barrier-raised wild-type mice. All germ-free TGFβ1-deficient mice died shortly after weaning, as do their barrier-raised counterparts. There was a significant delay in death in germ-free TGFβ1-deficient mice compared with barrier-raised mutant mice. However, there was no difference in the type, severity or incidence of lesions between TGFβ1 mutant mice raised under germ-free or barrier conditions. Germ- free wild-type mice had no lesions. It is concluded that microorganisms play a minimal role in disease induction in TGFβ1-deficient mice
    Type of Medium: Electronic Resource
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