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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 109 (1922), S. 108-108 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the report of the Linnean Society's meeting on December 15 last the abstract of an elaborate and highly important essay by Prof. G. C. Bourne on “The Raninidæ: A Study in Carcinology” contains a proposal to place the family “in a separate tribe, Gymnopleura.” It would seem, however, ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 9 (1874), S. 262-262 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ACCORDING to a notice in NATURE, vol.ix. p. 228, a distinguished continental naturalist finds an important discordance between Darwinism and certain facts connected with Trilobites and other fossil crustaceans. But his argument appears to be based on an assumption that we are acquainted with a ...
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 59 (1994), S. 3246-3247 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Yttria-stabilized zirconia was rf-diode sputtered over a 250-nm chromium underlayer on textured aluminum-NiP 130-mm-diam substrates. Tribological properties of the overcoat were evaluated via contact start-stop (CSS) testing, as a function of oxygen partial pressure, substrate bias potential, and argon pressure. Depending on deposition conditions, a wide range of friction and wear properties was observed. Lower oxygen partial pressures (〈0.01 Pa) produced the lowest average friction levels of 0.3–0.5 after 30 000 CSS. Use of high argon sputtering pressures (〉1.6 Pa) produced overcoats which demonstrated definite wear and often crashed during contact stop-start testing. SEM and TEM photographs revealed that the overcoats with poor wear characteristics had significantly different grain sizes and higher void contents than overcoats with superior wear properties deposited at lower argon pressures. Application of a fluorocarbon surface lubricant reduced average friction levels after 30 000 CSS from 0.8 on an unlubed disk to 0.35.
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 37 (2001), S. 0 
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : In southern Alberta, as elsewhere, pressures on limited water supplies are increasing. Not surprisingly, a great deal of attention has been focused on irrigated agriculture, which accounts for the largest share of water consumed in the region. In order to meet broadly accepted water conservation goals, some commentators have suggested that irrigation water use should be metered and that irrigators should be charged based on the amount of water used. An alternative proposal would have water management authorities rely upon the perceived adaptability of irrigators. This paper offers a perspective on the willingness of irrigators to conserve water.Based on a survey of 183 irrigation farmers conducted over the summer and early fall of 1998, we found that irrigators are generally aware of the need to conserve water and soil moisture, and that a variety of water conserving strategies were being employed. Water saving technologies specific to irrigation agriculture were less widely adopted. The findings suggest that there is considerable potential to reduce the amount of water consumed by the irrigation sector through increased efficiency, but that change will be limited if current economic circumstances and institutional arrangements persist.
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 86 (1911), S. 43-44 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A LETTER on the above subject addressed to NATURE of January 26 by my friend, Dr. Calman, has appeared also in the American journal Science. This appeal to the Old World and the New evidently, invites discussion. The letter apparently has in mind the man in the street and the natural history ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 15 (1876), S. 58-58 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are one or two rather hasty conclusions in the letters you have recently published upon the feather-star, which I will take the liberty of pointing out. My friend, Major Lang, arguing from his experience in Torbay, says : “It is evident that the habitat of Comatula is strictly defined, ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 14 (1876), S. 330-330 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the last number of NATURE Mr. J. J. Murphy states the difficulty which he finds in accounting for the rise of intermittent variations upon the theory of natural selection. He can understand the origin of a white species from a brown one or vice versâ, but not of a species which, like the ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 11 (1875), S. 386-386 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN Mr. J. Munro's very interesting notes made during a cable-laying expedition from Parà to Cayenne, which were published in NATURE, vol. xi. p. 329, the following passage occurs upon which comment may be useful. After describing a beautifully coloured Crustacean, and an animal which he speaks ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 22 (1880), S. 534-534 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FASCINATION originally meant a supposed power in man and snakes of controlling or arresting the movements of various animals by a glance. Your correspondent M. Chatel's personal anecdote, with his comment thereon, suggests that the snake in some way mesmerises his victim, not by its glance but ...
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