1,343 research outputs found

    Flexibility@Work 2013: yearly report on flexible labor and employment

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    There is no clear evidence that the strong growth in the share of flexible labor relations between 2002 and 2007 points at a worldwide trend towards a larger share of flexible labor at the expense of traditional open-ended labor contracts. The growth in flexible labor varies too much between countries and periods to draw such a conclusion. In most countries in Europe, in North America and Japan, the share of flexible labor has declined during the recent economic recession that started after 2007. There is also no structural trade-off between different forms of (formal) flexible labor. Observations in Europe suggest that growth or decline of different types of flexible labor can be attributed to changes in both local societal and economic structures and in institutions and legislation. Growth of flexible labor appears mainly in countries where the labor participation is increasing while it is declining where labor participation is relatively low or stagnating. This suggests an important role for flexible labor for new non-traditional labor market participants to enter the labor market. At the same time, there is a strong correlation between the share of flexible labor and economic growth, particularly with respect to fixed-term contracts and agency work. Flexible labor is the first form of employment effected by a decline in labor demand in an economic crisis, particularly when flexible workers are younger and lower educated. But at the same time, flexible work will be the first type of employment that recovers when the economy stabilizes after a crisis. The opportunity to offer flexible work may even accelerate economic growth. Therefore, a further growth in flexible work can be expected once the economies in most western countries start to grow significantly again. Agency work in particular has grown in nearly all markets over the last decade, which does indicate a structural component of growth of agency work in the modern labor market apart from the business cycle

    Giant Quantum Reflection of Neon Atoms from a Ridged Silicon Surface

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    The specular reflectivity of slow, metastable neon atoms from a silicon surface was found to increase markedly when the flat surface was replaced by a grating structure with parallel narrow ridges. For a surface with ridges that have a sufficiently narrow top, the reflectivity was found to increase more than two orders of magnitude at the incident angle of 10 mRad from the surface. The slope of the reflectivity vs the incident angle near zero was found to be nearly an order of magnitude smaller than that of a flat surface. A grating with 6.5% efficiency for the first-order diffraction was fabricated by using the ridged surface structure.Comment: 5 pages, 4 figures. To be published in J. Phys. Soc. Jp

    SIVdrl detection in captive mandrills: are mandrills infected with a third strain of simian immunodeficiency virus?

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    A pol-fragment of simian immunodeficiency virus (SIV) that is highly related to SIVdrl-pol from drill monkeys (Mandrillus leucophaeus) was detected in two mandrills (Mandrillus sphinx) from Amsterdam Zoo. These captivity-born mandrills had never been in contact with drill monkeys, and were unlikely to be hybrids. Their mitochondrial haplotype suggested that they descended from founder animals in Cameroon or northern Gabon, close to the habitat of the drill. SIVdrl has once before been found in a wild-caught mandrill from the same region, indicating that mandrills are naturally infected with a SIVdrl-like virus. This suggests that mandrills are the first primate species to be infected with three strains of SIV: SIVmnd1, SIVmnd2, and SIVdrl

    Blended acquisition with dispersed source arrays

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    Wide-azimuth angle gathers for wave-equation migration

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    Urinary 1-Hydroxypyrene Levels in Workers Exposed to Polycyclic Aromatic Hydrocarbon from Rubber Wood Burning

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    AbstractBackgroundUrinary 1-hydroxypyrene (1-OHP) was selected as a biomarker of polycyclic aromatic hydrocarbons (PAHs) to explore the accumulation level in the bodies of workers at rubber smoke sheet factories in southern Thailand.MethodsSpot urine samples were taken from four groups of workers from June 2006 to November 2007. The nonexposure or control groups included habitual cigarette smokers and nonsmokers. The other two groups were workers exposed to particle-bound PAHs from rubber wood smoke and they were nonsmokers. All spot urine samples were analyzed for 1-OHP and creatinine levels.ResultsThe mean ± standard deviation urinary 1-OHP in the control group of habitual smokers and the nonsmokers was 0.24 ± 0.16 μmol/mol creatinine and not-detected to 0.14 μmol/mol creatinine, respectively. In the workers, the 1-OHP levels on workdays had no significant difference from the 1-OHP levels on the days off. The yearly average 1-OHP level was 0.76 ± 0.41 μmol/mol creatinine whereas the average 1-OHP level during 10 consecutive workdays was 1.06 ± 0.29 μmol/mol creatinine (p > 0.05).ConclusionThe urinary 1-OHP levels of workers exposed to PAHs were high. The accumulation of 1-OHP in the body was not clear although the workers had long working hours with few days off during their working experience. Therefore, a regular day off schedule and rotation shift work during high productive RSS should be set for RSS workers

    Deep Emissions Reductions and Mainstreaming of Mitigation and Adaptation: Key Findings

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    Climate policy "mainstreaming", "proofing" and "integration" are concepts that are increasingly appearing in a range of EU policy discussions, including those concerning the 2014-2020 Multi-Annual Financial Framework (MFF). They reflect the view that all policy sectors need to play a part in both reducing emissions and increasing resilience to unavoidable climate impacts. Broadly defined, mainstreaming involves including climate considerations in policy processes, improving the consistency among policy objectives, and where necessary, giving priority to climate-related goals above others. Although often couched in technical language, profound political challenges, at multiple levels of governance, lie at the heart of the mainstreaming agenda. The RESPONSES project analysed how far adaptation and mitigation was being mainstreamed in EU policies, and assessed the potential opportunities and limits for the future
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