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  • 1
    Electronic Resource
    Electronic Resource
    The Silicon-Boron System (1960)
    [s.l.] : Nature Publishing Group
    Nature 187 (1960), S. 54-55 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The compound was prepared in two different ways : (a) by sintering in an argon atmosphere a mixture of finely powdered boron (99 per cent purity) with amorphous silicon in an electrical resistance-type furnace ; (6) by melting a mixture of boron (about 10 per cent) and silicon (about 9f per cent) ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/187054a0
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  • 2
    Electronic Resource
    Electronic Resource
    Formation of an Addition Compound of Calcium Silicate and Sodium Fluoride (1945)
    [s.l.] : Nature Publishing Group
    Nature 156 (1945), S. 451-452 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN connexion with some experiments concerning the decomposition of calcium fluoride by fusing with silica and sodium carbonate, the formation of needle-shaped crystals was observed. The crystals were analysed, and it appeared that the formula of the compound must be ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/156451b0
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  • 3
    Electronic Resource
    Electronic Resource
    Crystal Structure of Silicon Oxynitride, Si 2 N 2 O (1964)
    [s.l.] : Nature Publishing Group
    Nature 201 (1964), S. 1211-1211 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table l. PABAMETER VALUES FOR Si 2N 2O. SPACE GROUP Cmc2t Position (ref. 3) Atom x y z 8b Si 0-176 86 N 0-218 4a O 0 The crystals have an orthorhombic symmetry, corresponding to the space group Cmc21(No. 36)3. The cell dimensions are: a = 8.843 0.005 Å; b = 5.473 0.005 Å; c = ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2011211a0
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  • 4
    Electronic Resource
    Electronic Resource
    Structure of Azide Complexes (1964)
    [s.l.] : Nature Publishing Group
    Nature 202 (1964), S. 1210-1210 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The compound Zn(N3)2(NH3)2 has been found to have an orthorhombic unit cell, and to belong to the space group Pna21, the axial ratios being a = 9-52 A, b = 19-03 A, c = 7-20 A. The cell contains eight formula units. The structure is under refinement. Table 1. SPACE GROUP Pnma ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2021210a0
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  • 5
    Electronic Resource
    Electronic Resource
    Formation of Calcium Superoxide (1956)
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 238-238 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The presence of superoxide ion (O2~) has been established by means of both chemical methods and by measuring the magnetic susceptibility. The composition of this substance indicates that the dehydration is associated with a disproportiona-tion of the following kind : (1-2/) O2- where y ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/177238a0
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  • 6
    Electronic Resource
    Electronic Resource
    Crystal Structure of some Alkali Tungsten Chlorides (1935)
    [s.l.] : Nature Publishing Group
    Nature 135 (1935), S. 874-874 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ABOUT twenty years ago, O. Olsson-Collenberg1 synthesised a series of alkali tungsten chlorides with trivalent tungsten of the general formula M3W2Cl9. Later, Collenberg and Sandved2 found that water solutions of these compounds ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/135874a0
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  • 7
    Electronic Resource
    Electronic Resource
    TYPES OF TRANSPORT EPISODES IN NORTHERN EUROPE (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 338 (1980), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1980.tb17135.x
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  • 8
    Electronic Resource
    Electronic Resource
    Structure of Polynuclear Cobalt Complexes (1961)
    [s.l.] : Nature Publishing Group
    Nature 190 (1961), S. 714-715 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The nitrate was found to have tetragonal symmetry, corresponding to the space group P42nm (No. 102). The dimensions of the elementary cell are a = b = 11 -94 A. and c = 8-06 A. The cell contains two formula units. Parameter values for all the atoms with the exception of the hydrogens have been ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/190714a0
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  • 9
    Electronic Resource
    Electronic Resource
    Methylmercury in ambient air. Method of determination and some measurement results (1995)
    Springer
    Water, air & soil pollution 82 (1995), S. 739-750 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract When air containing CH3HgY (Y stands for a monovalent anion) is bubbled through pure water (MQ), part of the airborne CH3HgY, depending on the actual distribution constant (air/water), will be retained in the liquid phase. The resulting concentration, although usually very low, is now in many cases possible to determine, using the very sensitive analytical procedure developed by Bloom and Fitzgerald (1988). By means of an evaluation method, described in this paper, the concentration data, obtained in this way, can be used to give the average original concentration of CH3HgY in the air which had entered the bubbler and its distribution constant (air/water) as well.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00479423
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  • 10
    Electronic Resource
    Electronic Resource
    Mercury in precipitation and ambient air a new scenario (1991)
    Springer
    Water, air & soil pollution 56 (1991), S. 493-506 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Theoretical calculations and experimental work, mainly consisting of bubbling ambient air through different synthetic solutions and natural waters and also bubbling Hg- and O3-free air through precipitation samples, have given some new information. The oxidation process of Hgo by means of O3 in natural waters and in synthetic solutions has been clarified. The primary products are water soluble Hg-compounds which are reduced by SnCl2. Subsequently volatile or nonvolatile Hg-species may be formed. These are not reduced by SnCl2. Further it has been shown that in precipitation those Hg-forms, which are not reducible with SnCl2 consist of non volatile species only. The dominant one seems to be highly dispersed and easily sorbed on to solid surfaces. It is reducible with NaBH4. Besides this there is another one consisting of larger particles. Their core contains some Hg which can be released as Hgo by a high temperature thermal process. Species with the same properties have also been observed in ambient air but in very low concentrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00342294
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