896 resultados para implications where Commissioner of Taxation a party to proceedings
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Vol. 2 has title: England's improvement by sea and land. The second part : Containing, I. An account of its scituation, and the growths, and manufactures thereof. II. The benefit and necessity of a voluntary-register. III. A method for improving the Royal-navy, lessening the growing power of France, and obtaining the fishery. IV. Advantageous proposals for the city of London, for the preventing of fires therein; and for lessening the great charge of the trained bands. V. The way to make New-Haven in Sussex, fit to receive ships of burthen. VI. Seasonable discourses of the tin, iron, linnen, and woollen trades; with advantageous proposals for improving them all : Illustrated with seven large copper-plates / By Andrew Yarranton, gent. London : Printed, to be sold by Tho. Parkhurst ..., 1698.
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Includes index.
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William H. King, chairman of subcommittee.
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Robert L. Doughton, chairman.
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Title varies: 1884-1897, Report of the Commissioner of Navigation to the Secretary of the Treasury; 1901/02, Report of the Commissioner of Navigation
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Successively Issued by: Dept. of the Interior; Dept. of Public Works
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Mode of access: Internet.
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148877GAO (202) 512-6000 (Voice); (301) 258-4066 (Fax)
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"Index to the publications of the United States Bureau of Education from 1867-1890" pubished in 1888/1889 v.2, p.1453-1551.
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New high-precision niobium (Nb) and tantalum (Ta) concentration data are presented for early Archaean metabasalts, metabasaltic komatiites and their erosion products (mafic metapelites) from SW Greenland and the Acasta gneiss complex, Canada. Individual datasets consistently show sub-chondritic Nb/Ta ratios averaging 15.1+/-11.6. This finding is discussed with regard to two competing models for the solution of the Nb-deficit that characterises the accessible Earth. Firstly, we test whether Nb could have sequestered into the core due to its slightly siderophile (or chalcophile) character under very reducing conditions, as recently proposed from experimental evidence. We demonstrate that troilite inclusions of the Canyon Diablo iron meteorite have Nb and V concentrations in excess of typical chondrites but that the metal phase of the Grant, Toluca and Canyon Diablo iron meteorites do not have significant concentrations of these lithophile elements. We find that if the entire accessible Earth Nb-deficit were explained by Nb in the core, only ca. 17% of the mantle could be depleted and that by 3.7 Ga, continental crust would have already achieved ca. 50% of its present mass. Nb/Ta systematics of late Archaean metabasalts compiled from the literature would further require that by 2.5 Ga, 90% of the present mass of continental crust was already in existence. As an alternative to this explanation, we propose that the average Nb/Ta ratio (15.1+/-11.6) of Earth's oldest mafic rocks is a valid approximation for bulk silicate Earth. This would require that ca. 13% of the terrestrial Nb resided in the Ta-free core. Since the partitioning of Nb between silicate and metal melts depends largely on oxygen fugacity and pressure, this finding could mean that metal/silicate segregation did not occur at the base of a deep magma ocean or that the early mantle was slightly less reducing than generally assumed. A bulk silicate Earth Nb/Ta ratio of 15.1 allows for depletion of up to 40% of the total mantle. This could indicate that in addition to the upper mantle, a portion of the lower mantle is depleted also, or if only the upper mantle were depleted, an additional hidden high Nb/Ta reservoir must exist. Comparison of Nb/Ta systematics between early and late Archaean metabasalts supports the latter idea and indicates deeply subducted high Nb/Ta eclogite slabs could reside in the mantle transition zone or the lower mantle. Accumulation of such slabs appears to have commenced between 2.5 and 2.0 Ga. Regardless of these complexities of terrestrial Nb/Ta systematics, it is shown that the depleted mantle Nb/Th ratio is a very robust proxy for the amount of extracted continental crust, because the temporal evolution of this ratio is dominated by Th-loss to the continents and not Nb-retention in the mantle. We present a new parameterisation of the continental crust volume versus age curve that specifically explores the possibility of lithophile element loss to the core and storage of eclogite slabs in the transition zone. (C) 2003 Elsevier Science B.V. All rights reserved.
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This experiment examined members' evaluations of a group leader and the group in contexts where a superordinate group comprised two subgroups and the group leader was aligned with one or other subgroup. The design varied group leader (ingroup, outgroup) and leader behavior (ingroup favoring, outgroup favoring) as well as the broader comparative context (intragroup, intergroup). Across a number of measures, results indicated a consistent Group Leader x Leader Behavior interaction that was independent of comparative context. Although group members were most satisfied with an ingroup leader who favored the ingroup, ingroup leaders were perceived positively irrespective of their behavior Outgroup leaders who unexpectedly favored the other subgroup were also perceived positively. However, outgroup leaders who favored their own subgroup were perceived as less fair and as more biased than other leaders. They also engendered less identification with the superordinate group and a less unified perception of the group. Results demonstrate the importance of social identity concerns to leadership in nested group contexts and emphasize the fact that perceptions of leader fairness and concern for the common group mediate responses to the superordinate category. Copyright (C) 2003 John Wiley Sons, Ltd.