958 resultados para Balance of payments.


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Mode of access: Internet.

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Publisher varies.

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Mode of access: Internet.

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Includes also his The Book-keeper's diploma; or a full and lucid treatise on the equation of payments, N.Y., 1937. Also Preston's estimates of boxes, and casks ...

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Ancient history: Antediluvian history. Postdiluvian history. Monumental history. Egypt. Asia. Europe. Greece. Rome.--Modern history: Feudal system. Chivalry. Religions compared, rise of Christianity. Cities, growth and decay of their power. Revival of literature. Progress of regal authority, standing armies, balance of power. Reformation. Formation of English constitution. French revolution.

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Thesis (Master's)--University of Washington, 2016-06

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A combination of physical and chemical measurements and biological indicators identified nutrient impacts throughout an Australian subtropical river estuary. This was a balance of sewage inputs in the lower river and agricultural inputs in the mid-upper river, the combined influence being greater in the wet season due to greater agricultural surface runoff. Field sampling in the region was conducted at 6 sites within the river, over 5 surveys to encapsulate both wet and dry seasonal effects. Parameters assessed were tissue nitrogen (N) contents and delta(15)N signatures of mangroves and macroalgae, phytoplankton nutrient addition bioassays, and standard physical and chemical variables. Strong spatial (within river) and temporal (seasonal) variability was observed in all parameters. Poorest water quality was detected in the middle (agricultural) region of the river in the wet season, attributable to large diffuse inputs in this region. Water quality towards the river mouth remained constant irrespective of season due to strong oceanic flushing. Mangrove and macroalgal tissue delta(15)N and %N proved a successful combination for discerning sewage and agricultural inputs. Elevated delta(15)N and %N represented sewage inputs, whereas low delta(15)N and elevated %N was indicative of agricultural inputs. Phytoplankton bioassays found the system to be primarily responsive to nutrient additions in the warmer wet season, with negligible responses observed in the cooler dry season. These results indicate that the Tweed River is sensitive to the different anthropogenic activities in its catchment and that each activity has a unique influence on receiving water quality.

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Human Valpha24(+)Vbeta11(+) NKT (NKT) cells have immune regulatory activities associated with rejection of tumors, infections and control of autoimmune diseases. They can be stimulated to proliferate using alpha-galactosylceramide (KRN7000) and have the potential for therapeutic manipulation. Subpopulations of NKT cells (CD4(+)CD8(-), CD4(-)D8(+) and CD4(-)CD8(-)) have functionally distinctive Th1/Th2 cytokine profiles and their relative numbers following stimulation may influence the Th1/Th2 balance, which may result in or prevent disease. We aimed to determine the effect of different cytokines in culture during stimulation of NKT cells on the relative proportions of NKT cell subpopulations. Our results show that all NKT cell subpopulations expanded following stimulation with KRN7000 and IL-2, IL-7, IL-1 2 or IL-15. Expansion capacity differed between subpopulations, resulting in different relative proportions of CD4(+) and CD4(-) NKT cell subpopulations, and this was influenced by the cytokine used for stimulation. A Th1-biased environment was observed after stimulation of NKT cells. NKT cells expanded under all conditions evaluated demonstrated significant cytotoxicity against U937 tumor cells. In view of the potential for NKT cell subsets to alter the balance of Th1 and Th2 environment, these data provide insights into the effects of NKT cell manipulation for possible therapeutic applications in different disease settings.