Results 271 to 280 of about 262,925 (314)
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Changing cable identification colours
First IEE International Conference on Building Electrical Technology (BETNET), 2004As from 1st April 2004, electrical installations in the U.K. may use, for fixed wirings, the new harmonised cable core colours or the pre-existing colours but not both. However, BS7671:2001 (incorporating Amendments 1 & 2) requires any work commencing on site after 31 March 2006 should not use the old colours but to comply with the new colours in full.
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Serotonin and Change of Colour in Frogs
Nature, 1959IT is well known that intermedin, a secretion of the pituitary, is responsible for the dispersion of the pigment in the melanocytes of frogs. The identity of the secretion has remained a mystery; indeed, there are few compounds capable of causing the darkening of hypophysectomized frogs.
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Planetary and Space Science, 1980
Abstract An analysis of four-colour photographic images of Jupiter taken during 1970–1974 is presented. It is shown that major global and hemispheric changes in colour—mainly in the blue— occurred over this period.
G.C. Browne, A.I. Meadows
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Abstract An analysis of four-colour photographic images of Jupiter taken during 1970–1974 is presented. It is shown that major global and hemispheric changes in colour—mainly in the blue— occurred over this period.
G.C. Browne, A.I. Meadows
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Changes of colour appearance due to changes of shape of colour sample and background colour
Background is one of the important factors that affect colour appearance of samples. In general, a background colour induces colour appearance of a sample to shift towards the complementary colour of the background. For example, grey on black background appears lighter than the same grey on white background. Shape of colour sample is also a factor thatopenaire +1 more source
Nature, 1964
The Control of Chromatophores (International Series of Monographs on Pure and Applied Biology: Zoology, No. 14.) By M. Fingerman. Pp. ix + 184. (Oxford, London, New York and Paris: Pergamon Press, 1963.) 50s.
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The Control of Chromatophores (International Series of Monographs on Pure and Applied Biology: Zoology, No. 14.) By M. Fingerman. Pp. ix + 184. (Oxford, London, New York and Paris: Pergamon Press, 1963.) 50s.
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Nature, 1957
VARIOUS species of Pisces, Amphibia and Reptilia exhibit reversible colour change according to lighting conditions. According to Parker1, Chelonia is the only order of Reptilia from which no example of this activity has been described. It is the purpose of this communication to record colour change in a tortoise (Chelodina longicolis).
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VARIOUS species of Pisces, Amphibia and Reptilia exhibit reversible colour change according to lighting conditions. According to Parker1, Chelonia is the only order of Reptilia from which no example of this activity has been described. It is the purpose of this communication to record colour change in a tortoise (Chelodina longicolis).
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Archives of disease in childhood - Education & practice edition, 2008
J, Cyriac, M, Rigby, A, Baker
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J, Cyriac, M, Rigby, A, Baker
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Journal of the Institute of Conservation, 2017
The postprints from the ICON Paintings Group conference Appearance and Reality: Examining Colour Change in Paintings, held at Tate Britain on 9 October 2015 includes eight full articles and four sh...
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The postprints from the ICON Paintings Group conference Appearance and Reality: Examining Colour Change in Paintings, held at Tate Britain on 9 October 2015 includes eight full articles and four sh...
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A HARLEQUIN COLOUR CHANGE IN THE NEWBORN
The Lancet, 1952G A, NELIGAN, L B, STRANG
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