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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 545-546 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BISMUTH when electrically or mechanically colloidal-ised shows a fall in its diamagnetic susceptibility value.1 Doubts were raised by Prof. Bhatnagar as to whether this fall in value could not be due to oxidation.2 It was shown by me3 that though a ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 128 (1931), S. 153-153 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME preliminary experiments by Vaidyanathan1 show that the diamagnetic susceptibility (χ) decreases as the size of the particle is reduced in the cases of the colloids of bismuth, antimony, and graphite. Detailed and careful experiments by me with much stronger fields have in ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 132 (1933), S. 207-207 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INVESTIGATIONS by Vaidyanathan1 and myself2 in this laboratory have shown that the diamagnetism of bismuth is reduced by colloidalisation. On recrystallising a sample of pure bismuth powder it was found that its diamagnetic susceptibility rose to very near the mass ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 308-309 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The series concerned is: v sin(n n -f 9 J.(0,p; x), say, 0 〈 x 〈 w, and 〉4(0,9; x) can be expressed as -9 [ (6,2 ) + (9,2a?)], where n -f 0 The transformations for c(0,a?) and s(0,#) were obtained by G. H. Hardy4. Putting 0 = 9 and taking the sum of.A (0,0; x) and A(0, 0; x), one ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 288-288 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is well known that the diamagnetic susceptibility of colloids of graphite and bismuth depends on the size of the colloidal powders1. The specific intensity of magnetisation of a ferromagnetic metal like nickel also shows a similar dependence on particle size2. ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1454-1455 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The determination of size of the nucleus and nucleolus in different stages of growth of the oocyte is important in such a study. Very little work on volume relationships of the different cell structures during growth has been done, and, so far as I am aware, no information is available regarding ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 165 (1950), S. 654-655 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Thin section of oil-shale from near Ratta (Salt Range) showing resins, x 3 Bituminous oil-shales are found interbedded with the upper and lower gypsum - dolomite stages of the Saline series in several localities, and microscopic examination of numerous thin sections has shown that resins are ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 123 (1929), S. 344-345 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT the suggestion of Prof. O. W. Richardson, an investigation was made on the excitation of soft X-rays from a single crystal of nickel, kindly lent by Dr. H. H. Potter, of the University of Bristol. The face chosen was the [100] face and the range of potential was from 0 to 300 volts. The ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 134 (1934), S. 812-812 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VERY little work has so far been done on the magnetic susceptibilities of organic vapours. Vaidya-nathan's1 experiments indicate that in the case of some liquids, such as benzene, carbon disulphide, pentane and hexane, there is considerable divergence between the liquid and ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 136 (1935), S. 436-436 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A LARGE amount of experimental evidence has been recently put forward to show that colloidalisation of certain metals is accompanied by large changes in their magnetic susceptibilities1. I suggested some preliminary ideas to the effect that the increased area of surface of the ...
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