980 resultados para Property P
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"Works by the late George Ensor," p. [6] at beginning.
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Includes publisher's catalog (32 p.) at end.
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Running title: Wealth, debt, and taxation.
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Homer Ferguson, chairman of subcommittee.
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Mode of access: Internet.
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Part 1. May 27, June 10, 11, 1965. 169 p.--Part 2. August 26, 27, 1965. pp. 171-291.--Part 3. November 3, 4, 1965. 1966. pp. 293-370.
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Shipping list no.: 87-209-P (v. 3).
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[14] Apr. 7, 1924. Miscellaneous literature. 652 lots.--[15] March 23, 1925. Early English poetry and other literature. 692 lots.--[16] March 30, 1925. Early English Works on the arts and sciences. 797 lots.--[17] March 15, 1926. Early English poetry and other literature. 707 lots.--[18] March 22, 1926. Early English law and history. 570 lots.--[19] March 28, 1927. Final portion. 2151 lots.--[20] July 11, 1927. Books unsold or returned as imperfect. 183 lots.--[21] July 25, 1927. Books omitted from the sales of the Britwell Court Library. The property of S.R. Christie-Miller. 31 lots. (In Sotheby, firm, auctioneers, London. Catalogue of valuable printed books, illuminated and other manuscripts ... which will be sold ... Monday, 25th of July and two following days ... London [1927] p. 70-75, lots 456-486)
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Shipping list no.: 98-0052-P (pt. 1), 98-0155-P (pt. 2).
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We discuss recent progress towards the establishment of important structure-property-function relationships in eumelanins-key functional bio-macromolecular systems responsible for photoprotection and immune response in humans, and implicated in the development of melanoma skin cancer. We focus on the link between eumelanin's secondary structure and optical properties such as broad band UV-visible absorption and strong non-radiative relaxation; both key features of the photo-protective function. We emphasise the insights gained through a holistic approach combining optical spectroscopy with first principles quantum chemical calculations, and advance the hypothesis that the robust functionality characteristic of eumelanin is related to extreme chemical and structural disorder at the secondary level. This inherent disorder is a low cost natural resource, and it is interesting to speculate as to whether it may play a role in other functional bio-macromolecular systems.
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A total of 188 carbohydrate polymer-producing bacterial strains were isolated from recycled sludge of five seafood processing plants. Among three selected isolates, identified as Enterobacter cloacae WD7, Enterobacter agglomerans WD50 and Pseudomonas alcaligenes WD22. E. cloacae WD7 generated a viscous culture broth exhibiting the highest flocculating activity and a crude polymer yield of 2.27 g/L after 3 days cultivation. Partial purification of this polymer was performed by precipitation with 95% ethanol, dialysis and freeze-drying. It was characterized as an acidic heteropolysaccharide, composed of neutral sugars (29.4%), uronic acids (14.2%) and amino sugars (0.93%). The functional group analysis by FT-IR spectroscopy showed the presence of hydroxyl, carboxyl, carbonyl and methoxyl groups. Thermal analysis by DSC showed the crystalline transition and the crystalline melting point (T-m) at 300 degrees C. This polysaccharide was soluble in water and insoluble in any organic solvents tested; gelation occurred under alkaline conditions in the presence of divalent cations in which copper as CuSO4 gave the best result. Studies on the flocculation property revealed that this polysaccharide was stable at 4-60 degrees C and pH 5-7. The optimal concentrations for the flocculating activity were 2 mg/L polysaccharide and 40 mM CaCl2 which played the synergistic effect on kaolin flocculation. Moreover, this polysaccharide could flocculate the kaolin suspension over a wide range of pH (pH 2-8) and temperature (4-50 degrees C) tested in the presence of CaCl2. (c) 2006 Elsevier Ltd. All rights reserved.