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  • Nature Publishing Group  (54,341)
  • 1990-1994  (18,756)
  • 1955-1959  (19,871)
  • 1950-1954  (15,714)
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Year
  • 1
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    Supplements to Menard & Shipek 1958 (1958)
    Nature Publishing Group
    In:  EPIC3London, United Kingdom, Nature Publishing Group
    Details
    Publication Date: 2016-01-19
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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  • 2
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    Natural habitat of coelacanths (1990)
    Nature Publishing Group
    In:  Nature, 346 (6282). pp. 323-324.
    Details
    Publication Date: 2017-08-10
    Type: Article , PeerReviewed
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  • 3
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    Octopod 'ballooning' response (1992)
    Nature Publishing Group
    In:  Nature, 356 (6366). p. 199.
    Details
    Publication Date: 2017-03-14
    Type: Article , PeerReviewed
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  • 4
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    Activity levels of Nautilus in the wild (1993)
    Nature Publishing Group
    In:  Nature, 362 (6421). pp. 626-628.
    Details
    Publication Date: 2019-02-07
    Description: WHILE ammonites and all other ectocochleate cephalopods became extinct, nautiloids survived relatively unchanged from the Ordovician, suggesting that they are unusually well adapted to their niche. Here we obtain high-resolution tracks of Nautilus positions and depths, combined with telemetered jet pressures, which clarify both its lifestyle and economics. Nautilus is more active in nature than in captivity1, but its energy costs are lower than projected2,3. Viewing Nautilus as 'vertic', rather than benthic, resolves this contradiction. Records show that the cost of transport is the same in any direction within a vertical plane. Living on a reef face swept by a lateral current means that vertical movements4,5 sample large areas for chemical trails. A detected trail can be followed upcurrent in the slow-moving boundary layer, but no effort is wasted on horizontal movement without good prospects for food; long-range movements are downcurrent and made by drifting. Once fed, a Nautilus can reduce its energy costs by moving to deeper, cooler waters, where a single meal can last for months.
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  • 5
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    Close encounter in the deep (1994)
    Nature Publishing Group
    In:  Nature, 371 (6498). p. 563.
    Details
    Publication Date: 2017-05-10
    Type: Article , PeerReviewed
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  • 6
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    Close tetrapod relationships of the coelacanth Latimeria indicated by haemoglobin sequences (1991)
    Nature Publishing Group
    In:  Nature, 351 (6325). pp. 394-397.
    Details
    Publication Date: 2017-08-10
    Type: Article , PeerReviewed
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  • 7
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    Which home for coelacanth? (1993)
    Nature Publishing Group
    In:  Nature, 363 (6428). p. 405.
    Details
    Publication Date: 2017-08-03
    Type: Article , PeerReviewed
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  • 8
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    Coelacanth tissue bank (1992)
    Nature Publishing Group
    In:  Nature, 357 (6374). p. 105.
    Details
    Publication Date: 2017-08-03
    Type: Article , NonPeerReviewed
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  • 9
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    Nitrate respiration in the hydrothermal vent tubeworm Riftia pachyptila (1993)
    Nature Publishing Group
    In:  Nature, 366 (6453). pp. 338-340.
    Details
    Publication Date: 2015-08-31
    Description: THE vestimentiferan tubeworm Riftia pachyptila is found around hydrothermal vent areas in the deep sea. Intracellular bacterial chemoautotrophic symbionts use the oxidation of sulphide from the effluent of the vents as an energy source for CO2 fixation. They apparently provide most or all of the nutritional requirements for their gutless hosts1–5. This kind of symbiosis has since been found in many other species from various other phyla from other habitats6–9. Here we present results that the bacteria of R. pachyptila may cover a significant fraction of their respiratory needs by the use of nitrate in addition to oxygen. Nitrate is reduced to nitrite, which may be the end product (nitrate respiration)10 or it may be further reduced to nitrogen gas (denitrification)11. This metabolic trait may have an important role in the colonization of hypoxic habitats in general by animals with this kind of symbiosis.
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  • 10
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    Core correlations (1994)
    Nature Publishing Group
    In:  Nature, 371 (6495). pp. 289-290.
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    Publication Date: 2018-03-02
    Type: Article , PeerReviewed
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  • 11
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    Carbon dioxide limitation of marine phytoplankton growth rates. (1993)
    Nature Publishing Group
    In:  Nature, 361 . pp. 249-251.
    Details
    Publication Date: 2017-02-24
    Description: THE supply of dissolved inorganic carbon (DIC) is not considered to limit oceanic primary productivity1, as its concentration in sea water exceeds that of other plant macronutrients such as nitrate and phosphate by two and three orders of magnitude, respectively. But the bulk of oceanic new production2 and a major fraction of vertical carbon flux is mediated by a few diatom genera whose ability to use DIG components other than CO2, which comprises 〈 1% of total DIC3, is unknown4. Here we show that under optimal light and nutrient conditions, diatom growth rate can in fact be limited by the supply of CO2. The doubling in surface water pCO2 levels since the last glaciation from 180 to 355 p.p.m.5,6 could therefore have stimulated marine productivity, thereby increasing oceanic carbon sequestration by the biological pump.
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  • 12
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    Hydrothermal activity and metallogenesis in the Lau back-arc basin (1991)
    Nature Publishing Group
    In:  Nature, 349 (6312). pp. 778-781.
    Details
    Publication Date: 2016-05-17
    Description: IN 1989, the submersible Nautile discovered one of the most active hydrothermal fields on the modern ocean floor, in the Lau back-arc basin (Fig. 1). The field contains high-temperature white and black smokers, and as we report here, its characteristics contrast strongly with those of the hydrothermal fields found at normal mid-ocean ridges. The main differences are the acidity (pH as low as 2), chemistry and temperature (up to 400 °C) of the hydrothermal fluids, the composition of the ore deposits, and the volcanic and tectonic environments. The fluids also have very high concentrations of trace metals, and primary gold is present in the accompanying mineral deposits. Our data show that these back-arc deposits in the Lau Basin are intermediate between typical mid-ocean-ridge mineralization and massive sulphide deposits of the Kuroko type.
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  • 13
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    Massive iceberg discharges as triggers for global climate change (1994)
    Nature Publishing Group
    In:  Nature, 372 (6505). pp. 421-424.
    Details
    Publication Date: 2016-06-10
    Description: Observations of large and abrupt climate changes recorded in Greenland ice cores have spurred a search for clues to their cause. This search has revealed that at six times during the last glaciation, huge armadas of icebergs launched from Canada spread across the northern Atlantic Ocean, each triggering a climate response of global extent.
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  • 14
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    Fast flickers in the tropics (1994)
    Nature Publishing Group
    In:  Nature, 372 (6507). pp. 621-622.
    Details
    Publication Date: 2016-07-15
    Type: Article , PeerReviewed
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  • 15
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    Diminishing oxygen (1992)
    Nature Publishing Group
    In:  Nature, 358 (6389). pp. 710-711.
    Details
    Publication Date: 2016-06-10
    Type: Article , PeerReviewed
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  • 16
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    Interhemispheric transport of carbon dioxide by ocean circulation (1992)
    Nature Publishing Group
    In:  Nature, 356 (6370). pp. 587-589.
    Details
    Publication Date: 2016-06-10
    Description: ALTHOUGH anthropogenic emissions of carbon dioxide have today created a greater atmospheric CO2concentration in the Northern than in the Southern Hemisphere, a comparison of interhemispheric CO2 profiles from 1980 and 1962 led Keeling and Heimann1,2 to conclude that, before the Industrial Revolution, natural CO2 sources and sinks acted to set up a reverse (south to north) gradient which drove about one gigatonne of carbon each year through the atmosphere from the Southern to the Northern Hemisphere. At steady state, this flux must have been balanced by a counter flow of carbon from north to south through the ocean. Here we present a means to estimate this natural flux by a separation of oceanic carbon anomalies into those created by biogenic processes and those created by CO2 exchange between the ocean and atmosphere. We find that before the Industrial Revolution, deep water formed in the northern Atlantic Ocean carried about 0.6 gigatonnes of carbon annually to the Southern Hemisphere, providing support for Keeling and Heimann's proposal. The existence of this oceanic carbon pump also raises questions about the need for a large terrestrial carbon sink in the Northern Hemisphere, as postulated by Tans et al.3, to balance the present global carbon budget.
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  • 17
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    Upset for Milankovitch theory (1992)
    Nature Publishing Group
    In:  Nature, 359 (6398). pp. 779-780.
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    Publication Date: 2016-06-10
    Type: Article , PeerReviewed
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  • 18
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    An unstable superconveyor (1994)
    Nature Publishing Group
    In:  Nature, 367 (6462). pp. 414-415.
    Details
    Publication Date: 2016-06-16
    Type: Article , PeerReviewed
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  • 19
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    Deep ocean circulation puzzle (1992)
    Nature Publishing Group
    In:  Nature, 356 (6372). pp. 744-746.
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    Publication Date: 2018-03-02
    Type: Article , PeerReviewed
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  • 20
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    Climate response to smoke from the burning oil wells in Kuwait (1991)
    Nature Publishing Group
    In:  Nature, 351 (6325). pp. 367-371.
    Details
    Publication Date: 2017-02-24
    Description: The response of the global climate system to smoke from burning oil wells in Kuwait is investigated in a series of numerical experiments using a coupled atmosphere–ocean general circulation model with an interactive soot transport model and extended radiation scheme. The results show a decrease in surface air temperature of ~4 °C in the Gulf region. Outside this region the changes are small and statistically insignificant. No weakening of the Indian summer monsoon is observed.
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  • 21
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    Volatiles in submarine glasses as a discriminant of tectonic origin: application to the Troodos ophiolite (1990)
    Nature Publishing Group
    In:  Nature, 343 (6254). pp. 159-161.
    Details
    Publication Date: 2019-05-08
    Description: ISOTOPE ratios and concentrations of incompatible trace elements are remarkably successful in discriminating the tectonic origin and magmatic source components for basalts1–5. But problems remain with discriminating the tectonic origin of some tholeiites, especially where field relations and other geological evidence are ambiguous. For example, the tectonic origin of basalts from the Troodos ophiolite (Cyprus) has been debated for several decades. Most workers have been unable to distinguish between an island-arc and/or back-arc origin for the ophiolite6–8. Here we use volatile, K2O and TiO2 contents from ∼250 fresh submarine volcanic glasses to discriminate between tholeiites from different tectonic regimes. K2O÷H2O ratios are lower (〈0.70) in spread ing-centre glasses than in those from island arcs and intraplate oceanic islands. Back-arc-basin basalts can generally be separated from mid-ocean-ridge basalts by their high H2O contents. Using this information, we show that some fresh glasses from the Troodos ophiolite have a clear back-arc-basin affinity.
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  • 22
    Electronic Resource
    Electronic Resource
    Replication of Tobacco Mosaic Virus: A Re-examination of Theories (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1998-2001 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE preceding article has presented evidence, derived from isotope studies of the biosynthesis of tobacco mosaic virus, which places certain restrictions on proposals regarding the mode of replication of this virus. In the present article the implications of these new requirements for the theory of ...
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    URL: http://dx.doi.org/10.1038/1841998a0
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  • 23
    Electronic Resource
    Electronic Resource
    Structure of Precipated Cadmium Sulphide as studied by Single-Crystal Electron Diffraction Pattern (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2005-2006 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (1) With cadmium nitrate solutions (pH adjusted with nitric acid) ^-cadmium sulphide is formed. Its cubic lattice is parallel to that of the substrate, and involves, in addition, twins with respect to 〈 111 〉 p-CdS (polar axes ; parallel to 〈 111 〉 PbS in this case) (Fig. 1). (2) With ...
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    URL: http://dx.doi.org/10.1038/1842005a0
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  • 24
    Electronic Resource
    Electronic Resource
    The Temperature required for Nuclear Reactions in Cosmical Electrical Discharges (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2004-2005 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1. GAS TEMPERATURES AND VELOCITIES IN COSMNSAL ELECTRICAL DISCHARGES Temperature (K.) Velocity (km./sec.) Source Theory Observation Theory Observation Long-period 5,000 8-5 9 (ref. 3), variable stars ? to to 11 (ref. 2a) 10,00 12 Combination spectra star (AX Persei) Extra-galactic nebulae ...
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    URL: http://dx.doi.org/10.1038/1842004a0
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  • 25
    Electronic Resource
    Electronic Resource
    Comparison of Efficiency and Separating Power of Packed and Capillary Gas Chromatographic Columns (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2009-2009 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In practice, VR is often not much greater than Vd and may well be less for some things. In these circumstances it is possible to show1 that the theoretical plate requirement for separation is related to S by : (2)) N increases very rapidly as the ratio increases. For example, consider the ...
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  • 26
    Electronic Resource
    Electronic Resource
    Use of Tritium to Study the Solubility of Water in Hydrocarbons (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2011-2011 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Solubility of Water in Benzene and Toluene at 20C. A stream of dry air was saturated, with tritiatel water at temperature Tl and was allowed to come to equilibrium with the hydrocarbon liquid at temperature T2 (T2〉T'1). Samples were taken of the hydrocarbon after equilibration and ...
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    URL: http://dx.doi.org/10.1038/1842011a0
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  • 27
    Electronic Resource
    Electronic Resource
    A Higher Hydrogen Peroxide, H 2 O 4 ? (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2013-2014 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Other work, however2-5, has suggested that hydrogen superoxide exists at room temperature. This communication is concerned with an investigation of a reported method of preparation. Astakhov and Getzov postulated the existence at ambient temperature of HO2 to explain the slow evolution of oxygen ...
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    URL: http://dx.doi.org/10.1038/1842013a0
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  • 28
    Electronic Resource
    Electronic Resource
    Determination of Tissue Mucoproteins (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2016-2016 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Studies were made in male Wistar rats weighing 185-225 gm. The animals were killed by decapitation and the blood was left to flow off. Immediately, the liver and the kidney were perfused with isotonic saline, excised and weighed after dissection of capsular and vascular connexions. The tissues were ...
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    URL: http://dx.doi.org/10.1038/1842016a0
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  • 29
    Electronic Resource
    Electronic Resource
    In vitro Cultivation of Blood Cells of Drosophila melanogaster in a Synthetic Medium (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2017-2018 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Furthermore, the pronounced advances in the study of the genetics and biochemistry of microorganisms in recent years has stimulated the study of single somatic mammalian cells in vitro. The work of Puck6 is an example of this type of study. In the present work, a new culture medium for culturing ...
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  • 30
    Electronic Resource
    Electronic Resource
    Oleuropeic Acid: a New Compound from Olea europæa (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2019-2020 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It crystallizes from water as colourless plates or needles (dimorphism) of m.p. 160. It is slightly soluble in water, readily soluble in ether, alcohol and acetone. It is strongly Isevorotatory ([a]j〉= 100 in methanol). Oleuropeic acid has the composition C10H16O3. Titration with alkali proves the ...
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  • 31
    Electronic Resource
    Electronic Resource
    A Relationship between Weight of Internal Fat, ‘Fill’, and the Herbage Intake of Grazing Cattle (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2021-2022 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Representative samples of the cattle on each winter treatment were withdrawn for slaughter at date of turning to spring pasture in April; after three weeks of spring grazing, in May; and after six, in June. Weights of contents of stomachs and intestines, and of the carcasses of the sample steers, ...
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  • 32
    Electronic Resource
    Electronic Resource
    Efficiency of the Mitochondrial Oxidative Phosphorylations in Intact Ascites Tumour Cells (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2024-2025 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently Quastel and Bickis3 and Ibsen et al.4 determined the ratio of the lactate production by ascites tumour cells to the difference between the oxygen consumption of the cells in the absence and presence of glucose (AO). They found that the accumulation of lactate accounted for the decreased ...
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  • 33
    Electronic Resource
    Electronic Resource
    Effects of Reserpine on Secretion from the Denervated Adrenal Medulla (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2023-2024 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The technique used has largely been the same as in the last report. To cats of both sexes, weighing 2*54*0 kgm. and anaesthetized with 'Nembutal' (Abbott) intraperitoneally, 3 mgm./kgm. reserpine ('Serpasil', Ciba) was administered intravenously. Venous blood from the left adrenal was ...
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  • 34
    Electronic Resource
    Electronic Resource
    Prolactin in the Cowbird's Pituitary in Relation to Avian Brood Parasitism (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2030-2030 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It has therefore occurred to me, and independently to others, that failure to produce prolactin might be a basic factor in the development of brood parasitism. Hence a comparison of the prolactin content of the pituitaries of female cowbirds in breeding condition, with that of pituitaries of ...
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  • 35
    Electronic Resource
    Electronic Resource
    Captive Marine Birds Possessing a Functional Lateral Nasal Gland (Salt Gland) (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2030-2031 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Previous investigations have established that under a salt load the lateral nasal gland excretes a hyper-tonic solution of sodium chloride more concentrated than either urine or sea-water in the Humboldt penguin (Spheniscus humboldti)2, herring gull (Larus argen-tatus)3, doubled-crested cormorant ...
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  • 36
    Electronic Resource
    Electronic Resource
    Gibberellic Acid and the Chilling Requirements of Peach Seeds (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2034-2035 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Since gibberellins have such a marked promotive effect on the growth in length of stems, there seemed a strong possibility that this group of chemicals would overcome the dwarf growth of unstratified seedlings. In a recent review, Stowe and Yamaki3 do, in fact, state that the chilling requirements ...
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  • 37
    Electronic Resource
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    Early Induction of Flowering in Birch Seedlings (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2037-2038 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An experimental attempt to shorten the juvenile period in birch (Betula verrucosa, Ehrh.) was started in 1957. This was designed to determine whether the tree develops the capacity for reproduction as a result of attaining a certain height or size, or as a result of undergoing a certain number of ...
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    Hormonal Control of Selective Feeding in Female Calliphora erythrocephala Meig (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2040-2041 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Isolated females were allowed to feed on solutions of carbohydrate (100 gm. sugar in 100 c.c. water) and protein (5 gm. 'Marmite' in 100 gm. milk which for the sake of simplicity will be referred to as 'protein') contained in identical capillary tubes. The capillary tubes were held just off the ...
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    Haptoglobin and Transferrin Variants in Bushmen and Some Other South African Peoples (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 2042-2042 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Haptoglobin phenotypes Gene freq. Transferrin phenotypes No. 1-1 2-1 2-lAf 2-2 Neg. Hpl Hp* CD^ Dj. Bushmen (a) Tribal 71 7 29 0 34 1 10 1 (b) Farms 42 5 11 0 25 1 30 Total 113 12 40 0 59 2 0-29 0-71 13 1 Hottentots (a) Random 34 10 16 0 80 (6) Related 25 890 80 2 0 2 0 Total ...
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    Soils of Tanganyika (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1901-1901 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EVERYONE knows the dismal sequel to the f_j ambitious scheme for the mechanized production of ground-nuts in East Africa, which was characterized by the failure to employ pedological methods on pedological problems. After the horse had departed, some effort was made to shut the stable door and a ...
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    [Book Reviews] (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1902-1902 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN this book the author has attempted to present the evidence obtained by the use of isotopic tracers in the study of organic reaction mechanism. A very wide field has been covered, and in some sections, for example, that on migration aptitudes, a valuable critical discussion has been included. It ...
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    Dynamic and Static Deformation of Armco Iron (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1917-1920 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A RECENT article on the above subject1 showed that the mechanical properties of Armco iron were slightly lower after a previous amount of dynamic prestrain than after the same amount of static deformation. This finding confirmed the results of Campbell and Duby2 but was contrary to those of Harris ...
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    A Correlation between the Shift in the Ultra-Violet Absorption Maxima and the Electronegativity of the Adjacent Atoms in some Aliphatic Carbonyl Compounds (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1932-1933 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Compound Acetaldehyde Acetic acid Acetone (in water) Acetone (in hexane) Acetyl chloride Acetyl bromide Butyric acid Dimethyl carbonate Ethyl acetate Formaldehyde S (in ether) * Estimated range f Estimated from continuous spectrum Table 1 2 3 4 Wave-length Reference Shift ...
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    A Function for the Extracellular Polysaccharide of Azotobacter vinelandii (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1934-1935 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An organism was isolated from aerobic enrichments of soil in a nitrogen-free mineral salts medium containing ethanol as sole carbon scource. The pure culture obtained after repeated streaking was characterized as an Azotobacter vinelandii type5. Typical growth stages observed on the above medium ...
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    Quantitative Estimation of the Fatty Acids of Olive Oil (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1941-1941 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The spectrophotometric estimation of unsaturated fatty acids is carried out by the method recommended by the American Oil Chemists' Society1; saturated acids, separated according to Bertram2, are chromato-graphically determined by a procedure recently developed in this laboratory3. This procedure ...
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    Biosynthesis of some Amino-Acids from Sucrose by Germinating Uredospores of Wheat Stem Rust, Race 15 B (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1943-1943 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Leaves and stems of the wheat plant at different stages of growth contain sucrose5. In addition, Shu et al.6 demonstrated that uredospores of wheat stem rust, race 155, during at least the initial stages of germination oxidized this sugar. Consequently uniformly labelled sucrose-14C was chosen as ...
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    Pathophysiological Effects of Circulating Ferritin (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1944-1945 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In previous studies1'2, a large quantity of ferritin was proved, by the precipitin test and the complement fixation test1 to be circulating in the blood of horses suffering from infectious anaemia. On the other hand, several workers have obtained results which suggest that a small quantity of ...
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    Effect of Ethylenediamine Tetra-acetate on Vitamin B 12 Absorption in the Rat (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1948-1948 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The in vivo work on this problem has not been so direct, nor is there agreement concerning the requirement for calcium for vitamin Bj.2 absorption from the gut of the living animal. Abels et al3, in studies with gastrectomized rats, administered vitamin Bi2 58Co with neutralized rat gastric juice, ...
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    Synthesis of Deoxyribonucleic Acid in Adult Drosophila (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1961-1961 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Two types of experiment were performed. In the first, flies aged less than 3 hr. after eclosion were injected with about 0*05 pd. labelled thymidine (Schwartz Laboratories, New York) of about 0-9 me. per ml. (and about 180 mc./mM). Flies were killed at daily intervals, up to 9 days after treatment. ...
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    An Unusual Diatom from the Antarctic (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1962-1963 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The sample of phytoplankton contained a large number of cells of the Coscinodiscus and the Asteromphalus which were represented in the two valves of the aberrant cells. Fig. 1 shows the girdle view of the two cells, the concave nature of the Coscinodiscus valves, and the different shape of the ...
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    Prolonged Survival of Dystrophic Mice treated with 17α-EthyI-19-Nortestosterone (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1966-1967 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Dystrophic mice obtained from the Jackson Memorial Laboratory, Bar Harbor, were divided into nine experimental groups. Aniamls given 0-5 y/gm. body weight 17a-ethyl-19-nortestosterone ((7-5914) in corn oil by stomach tube three times a week starting at five weeks of age (group II) had a median ...
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    New Neotropical Element ( Anoplotermes ) in Indian Termite Fauna (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1967-1968 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Out of 43 species of Anoplotermes hitherto known5"8, 32 are neotropical, 11 Ethiopean and one nearctic (this species is also neotropical). Recently, we found a new species (to be described elsewhere) from Assam. This is the first record of the genus from the oriental region, and the discovery is of ...
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    A History of Iron and Steel in China (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1830-1830 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book, an expansion of a lecture founded in memory of Dr. H. W. Dickinson, who was educated at the Manchester Grammar School and at Owens College, is beyond doubt a first-rate contribution to scholarship. In the field of Chinese science and technology the author speaks with a unique authority ...
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    Announcements (1959)
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    Nature 184 (1959), S. 1845-1845 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] COMMENCING January 9, a course of twelve lectures and appropriate practical work on micro- and semi-microchemical methods will be held on Saturday mornings at the Norwood Technical College, London, S.E.27. This course has been arranged for teachers, industrial and research chemists, and is designed ...
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    Agricultural Institute of the Republic of Ireland: Division of Plant Sciences and Crop Husbandry (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1847-1847 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE establishment, under the Agricultural (An Foras Tal ntais) Act, 1958, of the Agricultural Institute of the Republic of Ireland, An Foras Tal ntais, was announced in Nature, July 4, 1959. The Institute now announces major developments in the organization of the Division of Plant Sciences and ...
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    Serological Distinction of Adult and Fœtal Human Hæmoglobin (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1854-1855 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE interpretation of serological studies of haemo-X globin is difficult because a preparation of haemoglobin may contain two or more distinct haemoglobins as well as other soluble antigenic constituents of the red cell. Markowitz, Cartwright and Wintrobe1 have investigated quantitatively antisera ...
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    Appointments Vacant (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1856-1856 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned: LECTURER or ASSISTANT LECTURER IN GEOGRAPHY at Makerere College (The University College of East Africa) The Secretary, Inter-University Council for Higher Education Overseas, 29 Woburn Square, London, W.C.I ...
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    Vibrational Relaxation and Dissociation of Carbon Dioxide behind Shock Waves (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1858-1859 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] For shocks of Mach number between 8 and 10 through carbon dioxide, we find evidence of both vibrational relaxation and delayed dissociation. The sodium excitation temperature close to the shock front is quite low, but rises rapidly to a value far in excess of the equilibrium temperature, but close ...
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    Palæomagnetism of Some Dolerite Intrusions from the Theron Mountains and Whichaway Nunataks, Antarctica (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1860-1860 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The directions of remanent magnetization have been measured by Blundell and are shown in Fig. 1. These are arranged in two groups, normal and reversed, which are 180 apart. The two groups have been combined by reversing the polarity of those with downward dips to provide a mean direction of ...
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    Crystal Structure of L -Serine Phosphate (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1863-1864 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] L-Serine phosphate, which, as the result of the following analysis, may be written -HO3POCH2 CH(NH3+)COOH, crystallizes in the orthorhombie system with lattice parameters a=7-790-01, 6= 10-24 0-04, c = 9-090-02 A. There are four molecules in the unit cell, Dx= 1*692, DTO= 1-707, and the space group ...
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    Estimation of Chain Fracture and Cross-Linking of Rubber by High-energy Radiation (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1865-1866 
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    Notes: [Auszug] Expression 1 may be applied without making assumptions regarding the dependence of p and q upon the radiation dose. Lightly masticated pale crepe rubber, which had been freshly extracted with acetone, was evacuated and sealed in glass tubes. After irradiation, with gamma radiation from a cobalt-60 ...
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    Application of the Mass Spectrometer to Polysaccharide Chemistry (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1866-1866 
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    Notes: [Auszug] Table 1. MASS-SPECTRUM or METHYLATED LAMINARIN O . l 2 3 R-1 (M.rads-1) 27 w 45 vw 83 vw 112 m 156 m 364 m 566 28VS55 m84 w 124 w367 w 29 m 56 w 85 vw 129 m 188 m 395 m 595 31 m 57 m 86 w 131 w397 m 32 s 60 w 95 vw 143 w 230 m 434 s 635 39 w 67 w 97 vw 144 vw 268 w 490 w 644 40 vw 68 vw 99 vw 145 ...
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    Histidine-Copper (II) Complexes (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1868-1869 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently, stability constants have been reported2 for CuL+ and CuHL + and for a complex suggested to be Cu(OH)L. Evidence for this complex was the second linear portion observed in the titration curve of 1 : 1 copper-histidine mixtures (Fig. 1), which was consistent with the formation of such a ...
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    Extraction and Purification of ‘Queen Substance’ from Queen Bees (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1871-1871 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A method of quantitative assay based on the inhibition of the construction of emergency queen cells was devised by Butler and Gibbons3, and used by Butler and Simpson4, to demonstrate that 'queen substance' is contained in the mandibular glands of the queen honeybee. Using this test, the extraction ...
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    Role of Stroma in Hæmoglobin Synthesis: Experiments on Duck Red Cells in vitro (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1878-1879 
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    Notes: [Auszug] Heparinized duck blood, with added sodium-benzyl penicillin and dihydrostreptomycin sulphate, was incubated for 90 minutes at 38-5 C. in an atmosphere of 95 per cent oxygen and 5 per cent carbon dioxide. 10 [xc. of glycine-2-14C (specific activity 1 mc./m.mole) and of 300 mgm. of glucose per 100 ...
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    Biological Half-Life of Radioiron in Man (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1882-1882 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An increase in the value of the biological half-life would not affect the calculation of the maximum permissible body burden, but would lead to a decrease in the maximum permissible levels in water and air, these being inversely proportional to the effective half-life in the conditions of final ...
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    Biological Properties of Coal and Coal Extracts (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1885-1886 
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    Notes: [Auszug] Kosanke3 confirmed the extraction of bacteriostatic substances from lignite, sub-bituminous and high-volatile bituminous coals by methanol, and also showed that acetone and ethanol were effective solvents. These extracts were assayed for anti-fungal activity by Schenck and Carter4, and found to ...
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    Vivipary in Eleusine Indica (L) Gaertn (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1888-1888 
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    Notes: [Auszug] The subtending glumes of the proliferated spikelets were normal but all or some of the lemmas were modified. The modified lemmas varied from near normal to typically leaf-shaped with well-developed sheathing bases and ligules. Usually only the upper lemmas were modified whilst those at the base of ...
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    An Electron-Microscopic Study of Spores of Morphological Variants of Streptomyces erythreus strains (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1888-1889 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It was shown indirectly in a previous communication4 that heterocaryosis was one of the causes of degeneration of the high-production strain Streptomyces erythreus VUAM. Electron-microscope studies are herewith described as applied to the spores of morphological variants of the strain Streptomyces ...
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    An Absolute Requirement for ‘Iron Transport Factors’ by Microbacterium lacticum 8181 (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1894-1894 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] M. lacticum 8180, M. lacticum 8181 and M.flavum 10340 were obtained from the American Type Culture Collection and grown on slants containing Difco nutrient agar plus 1 per cent Difco yeast extract. After 48-hr, incubation at 37 C., the cells were harvested and washed twice with 0-02 M dipotassium ...
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    Future of Broadcasting and Television (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1747-1749 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are few more important questions for mankind to-day than that of the creative use of the mass media, and recent evidence of the abuse or wasteful use of television or of broadcasting only accentuates the urgency of determined efforts to discover effective ways of using the immense powers of ...
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    Music and Electronic Computors (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1754-1754 
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SO much is heard nowadays of the capabilities of the computer robot in imitating every human activity that it is not surprising to read of experiments in which the computer is made to compose music. Perhaps to say that the machine 'composes' is putting the experiments described in this book at too ...
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    Classical Chemical Analysis (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1756-1757 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book forms the first part (a) of Vol. 1 of Elsevier's "Comprehensive Analytical Chemistry" which is to consist of five distinct volumes, some containing several parts. Vol. la (to be followed by 16 and Ic) deals with classical methods of analysis and contains six distinct chapters. Each ...
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    Geochemical Research in the United States (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1757-1758 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book, edited by the Director of the Geophysical Laboratory, Washington, is the outcome of a seminar series in geochemistry organized by the Geophysical Laboratory and held there, and at the Johns Hopkins University, during the academic year 1957-58. It gives a valuable conspectus of current ...
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    Coconuts (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1760-1761 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOUND monographs on the major crops are always welcome, not only to those with a specialized or professional interest but also to the general reader. A new work on the coconut palm by Dr. K. P. V. Menon, director of the Central Coconut Research Station, Kayangulam, and Dr. K. M. Pandalai, joint ...
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    Friction in Textiles (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1765-1765 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN a traditional industry, such as the textile industry, practice has been and, in many aspects still is, ahead of theory. This situation has arisen because able men have had an abundance of time to solve technical problems empirically, During the past few decades, however, a host of new problems ...
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    A New Service for Naturalists (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1774-1774 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Intelligence Unit of the Council for Nature, which was set up in May 1959, with the aid of a grant of £5,000 a year for three years from the British Broadcasting Corporation, is now ready to deal with requests for information about field natural history in the United Kingdom. The Unit has ...
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    Education as a Career (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1777-1777 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Ministry of Education has published a pamphlet intended to give university students a picture of the opportunities which exist for men and women to follow a career in education ("A Career in Education for University Graduates". Revised edition. Pp. 15. London : Ministry of Education, 1959). It ...
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    Fodder Beet, Mangels and Swedes (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1777-1777 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] REVISED leaflets describing varieties of fodder beet and mangel and of swedes have recently been issued by the National Institute of Agricultural Botany at Cambridge. In each of these crops the Institute has tested very large numbers of varieties, and these leaflets give details of the important ...
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    Erratum (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1777-1777 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the communication entitled "A New Crystalline Salt of Oxytocin" in Nature of September 26, p. 981, par. 3, line 4, for "33 ni[" read "353 ...
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    The National Chemical Laboratory (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1779-1780 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Report of the National Chemical Laboratory for 1958 follows the same general lines as previous reports (Department of Scientific and Industrial Research. Report of the National Chemical Laboratory, 1958. Pp. iv+97. London : H.M. Stationery Office, 1959. 5s. 6d. net). After a preliminary ...
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    Appointments Vacant (1959)
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    Nature 184 (1959), S. 1786-1786 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] APPLICATIONS are invited for the following appointments on or before the dates mentioned : LECTURER IN THE DEPARTMENT OF VETERINARY PATHOLOGY? The Secretary, The University, Edinburgh (December 31). LECTURER (preferably an experimental physicist with an interest in low temperature physics, ...
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    A Relation Between Giant Travelling Disturbances and Sporadic E Ionization (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1788-1789 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the winter months when occurrence of sporadic E is not normally prevalent this usually takes the form of temporary appearance of Es where none was previously present. Correlation is not 100 per cent, and quite often large F disturbance anomalies are not associated with a corresponding EB ...
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    Evolution of the Human Brain (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1777-1777 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE James Arthur Lecture on the Evolution of the Human Brain, given by Prof. D. P. C. Lloyd, entitled "The Discrete and the Diffuse in Nervous Action", has now been issued (pp. ii + 28. New York : Amer. Mus. Nat. Hist., 1959). His central theme is Cajal's concept of "les reflexes unilatraux ...
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    Mechanism of Anti-Knock (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1794-1795 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The heterogeneous or 'smoke' theory of Muraour1 is supported by Walsh and his collaborators2,3, on the basis of their studies of the low temperature oxidation of ethers in coated vessels. The reactions leading to auto-ignitions in the end gas are supposed to be inhibited by removal of chain centres ...
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    Rubidium-Strontium Ages of Lewisian Rocks from North-West Scotland (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1793-1794 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In 1955, Holmes et l.* reported the first isotopic age measurements on Lewisian rocks. Measurements on eight feldspars, all from pegmatites, were made by the potassium-argon method. Three samples came from the Outer Hebrides, three from the Laxfordian, and two from the Scourian. Omitting three ...
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    Isomerization to the Tropylium Ion Induced by Electron Impact and its Significance (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1796-1796 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Mass spectra of: (A) toluene ; (£) spiro -(2,4)- eycioheptadiene -(1,3) ; and (C) eyeZoheptatriene (the sensitivity up to mass m/e =90 is fourfold) ; Mer type ion source The mass spectra of toluene, ci/cZoheptatriene and spVo-(2,4)-ci/cZoheptadiene-(l,3), shown schematically in Fig. ...
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    Separation of Fast-Moving γ-Globulins by Starch-Gel Electrophoresis (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1800-1801 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Using commercially prepared y-globulin (Lederle C-496) as an antigen, potent antisera were prepared in rabbits. The distribution of y-globulins was studied with the aid of starch-gel immunoelectro-phoresis84. Fig. 1 shows the results obtained when a 2-5 per cent solution of the antigen and of ...
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    Effect of Jet Aircraft Noise on Hearing (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1803-1804 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Under existing conditions with jet aircraft, it is no longer the men who fly the aircraft who are subjected to the greatest noise but the attendant ground, staff. Those in the worst situation are the men employed on the flight deck of an aircraft carrier dur ing aircraft launching operations, when ...
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    Pure Culture of the Pathogenic Agent of Tyzzer's Disease of Mice (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1810-1811 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Culture media : Liver extract, 1000 ml. ; polypep-tone, 10 gm. sodium chloride, 5 gm. ; agar, 20 gm. Minced liver is extracted with two volumes of tap water at 100C. for 1 hr. After melting, pH. is adjusted to 7-8 with sodium hydroxide solution. Autoclave at 15 Ib. for 15 min. Not only the mouse ...
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    Importance of the Type of Metabolism for the Radiosensitivity of Mice (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1814-1815 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The measuring of gaseous exchange was used and the respiratory quotient was evaluated (R.Q. = carbon dioxide output : oxygen consumption23). The respiratory quotient was measured in the groups of 3-5 mice 1 hr. before the X-irradiation. The doses of single total-body irradiation of 600 r. and 450 ...
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    Abrogation by Injected Mouse Blood of Protective Effect of Foreign Bone Marrow in Lethally X-Irradiated Mice (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1815-1816 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The experimental procedure was as follows : Groups of (LxA).F1 hybrid mice 12-15 weeks old were exposed to a lethal dose of 250 kV. X-rays (870 r.). This was followed (within a few hours) by intravenous injection of fresh bone marrow cell suspension in Tyrode's solution?either 70xl06 nucleated ...
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    Fate of the Highly Polymerized Spleen Deoxyribonucleic Acid labelled with Phosphorus-32 Injected Intraperitoneally into Rats (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1818-1819 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Therefore, it was of interest to study the mechanism of the protection accomplished by this material, also, to find eventually more favourable conditions for the recovery and to explain the mode of action of the protective agent. First of all we studied the state of polymerization, in which the ...
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    A Nucleus of Nerve Cells in the Ferret Pituitary Gland (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1819-1819 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Structurally the process consists chiefly of nerve fibres containing neurosecretory material, and cells of unknown function called 'pituicytes'. Scattered nerve cells have also been described in the neural process of some forms, including the dog2 and human3. The neural process of the ferret ...
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    Mr. William Dallimore, I.S.O., V.M.H. (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1684-1684 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE death of William Dallimore took place suddenly at his home near Tonbridge, Kent, on November 7, in his eighty-ninth year. He entered the Royal Botanic Gardens, Kew, as a young student in 1891 and his official connexion with this institution extended over forty-five years. His earlier years at ...
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    U.S. Scientific Attaché in India: Prof. E. C. Watson (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1686-1686 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PROF. E. C. WATSON, dean of the faculty for the past fourteen years at the California Institute of Technology, is retiring to become scientific attach to the U.S. Embassy in India. Dr. Watson administered the Institute's rocket development programme during the Second World War after having managed ...
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    Swelling Forces in Straining Clays (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1695-1697 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is generally accepted that the compression and swelling of a clay saturated with sodium ions is described by the osmotic theory of swelling1-3. This theory is based on osmotic effects associated with the adsorbed layer of ions in clays4 5, and relates the thickness of the water layer between two ...
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    Experimental Demonstration of an Internal Rhythm of Reproduction in a Trans-Equatorial Migrant (The Short-Tailed Shearwater Puffinus Tenuirostris ) (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1704-1705 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE trans-equatorial migration of the short-tailed shearwater or Australian 'mutton-bird' has been described and mapped by Serventy1 (Fig. 1). Marshall and Serventy2 further showed that the migratory flocks regularly leave their southern Australian breeding islands in April (autumn) at a time when ...
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    Congeners of Pempidine with High Ganglion-blocking Activity (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1707-1709 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the past two years we have examined some 150 congeners of pempidine, the great majority of which have contained the structural component : |/C Many of these compounds have exhibited a level of ganglion-blocking activity similar to that of pempidine in the nictitating membrane test in the ...
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    Sulphonamides with Diuretic Activity (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1711-1711 
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the meantime cyclic compounds with a free sulphonamido-group, for example, 6-chloro-7-sul-phamyl-3, 4-dihydro-l, 2, 4-benzothiadiazine-l, 1-dioxide (II), have received attention2. It seemed therefore interesting to us to bring about ring-closure with formaldehyde in compound (I), and ...
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