941 resultados para PAULI EXCLUSION OPERATOR
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The most recent official statistics reveal that over a quarter of Egypt’s population still live in poverty, a third of its youth are unemployed and three out of five children are malnourished. Much of the criticism of Egypt’s human rights record, particularly after the Arab Spring, remains focused on the country’s civil and political rights, and freedoms with an intentional (or unintentional) disregard to socioeconomic rights, fuelling widespread poverty, deteriorating living standards, socioeconomic exclusion and unequal and/or degrading treatment. This paper examines the socioeconomic policies of exclusion that are still undermining the enjoyment of basic citizenship rights in Egypt.
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Samples from a pristine raised peat bog runoff in Austria, the Tannermoor creek, were analysed for their iron linked to natural organic matter (NOM) content. Dissolved organic carbon < 0.45 µm (DOC) was 41 to 64 mg/L, iron 4.4 to 5.5 mg/L. Samples were analysed applying asymmetric field flow fractionation (AsFlFFF) coupled to UV-Vis absorption, fluorescence and inductively coupled plasma mass spectrometry (ICP-MS). The samples showed an iron peak associated with the NOM peak, one sample exhibiting a second peak of iron independent from the NOM peak. As highland peat bogs with similar climatic conditions and vegetation to the Tanner Moor are found throughout the world, including areas adjacent to the sea, we examined the behaviour of NOM and iron in samples brought to euhaline (35 per mil) conditions with artificial sea salt. The enhanced ionic strength reduced NOM by 53% and iron by 82%. Size exclusion chromatography (SEC) of the samples at sea-like salinity revealed two major fractions of NOM associated with different iron concentrations. The larger one, eluting sharply after the upper exclusion limits of 4000-5000 g/mol, seems to be most important for iron chelating. The results outline the global importance of sub-mountainous and mountainous raised peat bogs as a source of iron chelators to the marine environment at sites where such peat bogs release their run-offs into the sea.
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Mode of access: Internet.
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"First edition."
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National Highway Traffic Safety Administration, Washington, D.C.
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Contract no. DOT-CG-40672-A.
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National Highway Traffic Safety Administration, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.
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Federal Highway Administration, Office of Engineering and Highway Operations Research and Development, McLean, Va.
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National Highway Traffic Safety Administration, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.