898 resultados para fed
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The Federal Reserve left rates unchanged at its closely-watched meeting on September 17th, although many had argued that the real economy data, especially on the labour market, would have justified an exit (from the zero interest policy). In this CEPS Commentary, Daniel Gros observes that no similar decision on exit is in sight in the euro area, despite the fact that some have argued that the ECB should consider further easing measures (pushing the deposit rate deeper into negative territory or increasing the size of its asset purchase programme). He asks, in fact, whether further easing measures should be even discussed at this point.
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Studies on the fate of organohalogen contaminants (OHCs) in wild top predator mammals in the Arctic have often been a challenge due to important knowledge deficiencies in the life history of the sampled animals. The present study investigated the influence of age, dietary and trans-generational factors on the fate of major lipophilic chlorinated and brominated OHCs in adipose tissue of a potential surrogate captive species for the polar bear (Ursus maritimus), the sledge dog (Canis familiaris) in West Greenland. Adult female sledge dogs (P) and their sexually-mature (F1) and/or pre-weaning pups (F1-MLK) were divided into an exposed group (EXP) fed blubber from a Greenland minke whale (Balaenoptera acutorostrata) and a control group (CON) given commercially available pork fat. Large dietary treatment-related differences in summed and individual congener/compound adipose tissue concentrations of polybrominated diphenyl ethers (PBDEs), hexachlorobenzene (HCB), chlordanes (CHLs) and polychlorinated biphenyls (PCBs) were found between the EXP and CON groups for all the sledge dog cohorts. However, among the F1-MLK, F1 and P dogs in both of the EXP and CON groups, little or no difference existed in PBDE, HCB, CHL and PCB concentrations, suggesting higher state of equilibrium in adipose tissue concentrations from a very early stage of life. In contrast, the distribution pattern (proportions to the summed concentrations) of OHC classes, and the major congeners/ compounds constituting those classes, varied on a dietary group- and/or cohort-dependent manner. The present captive sledge dog study demonstrated the importance of the confounding effects of diet composition, mother-pup association (maternal transfer), reproductive status (nursing), and to a lesser extent age in the fate of OHCs in adipose tissue of a large top carnivore mammal.
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Thesis (M. S.) - Cornell Univ., 1920.
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AD626320.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Includes index.
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"October 1971."
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Includes index.
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"September 1970."