Normal Sequences

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A note on prime numbers

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Das französische Studien- und Forschungszentrum für Qualifikationen. Die Erforschung der Verwertung und Entwicklung beruflicher Qualifikationen. Institutionelle und methodische Aspekte

"Das 1970 gegründete "Französische Studien- und Forschungszentrum für Qualifikationen" (CEREQ) gehört heute zu den wichtigsten Gesprächspartnern des IAB, nicht zuletzt wegen der vergleichbaren Probleme, die beide Institute bei der Erfüllung ihrer Aufgaben zu lösen haben. Ausgehend von den gegebenen ökonomischen und gesellschaftlichen Rahmenbedingungen werden Ansätze, Methoden, Quellen und Ziele des Forschungszentrums beschrieben. Methodische Probleme ergeben sich für die Arbeit der CEREQ aus der Ungenauigkeit der Berufskategorien und den veralteten Berufsklassifikationen. Die Ermittlung des Bildungsbedarfs auf der Grundlage von Beschäftigtenvorausschätzungen stößt auf Grenzen. Zeitliche Verzögerungen, methodische Probleme und institutionelle Hindernisse erschweren die Kenntnisse der gegenwärtigen und künftigen Bedingungen der Verwertung von Qualifikationen."Beruf, Bildungsforschung, Qualifikationsforschung, Forschungsprogramm, Frankreich

Comparison of three pilot plants filled with organic materials for the treatment of air pollutants from a composting plant

[Abstract] This study has compared the efficiency of 3 mixes of organic materials [peat + coco fibre; branches (1 vol) + wood (1vol) + peat (1 vol.); + branches (5 vol) + wood (2vol) + peat (1 vol.)] used in biofiltres pilot plants in order to remove Volatiles Organic Compounds (VOCs), Ammonia and Odours Units (O.U.) from process and ambient air of a composting plant. After a period of seeding, 3 different air velocities have been applied (125 m/h, 175 m/h and 200 m/h) during approximately 1 ½ month each. Results show a better NH3 removal in filters containing wood (92% to 98%) than in the one with coco fibre (between 17% and 63%) depending on the air velocity and on the pollutant concentration (from 35 to 60 ppmV). Concerning VOCs the efficiency was globally the same (approx. 75%) and that for each velocity and for a relatively constant inlet concentration of 20 ppmV Carbon equivalent. Differences are less obvious in terms of Odours Unit that is mainly due to the variability of the analysis itself. The coco fibres filter seems to be a little bit worst than the two others what would be in accordance with the pollutant removal efficiency observed

Sharing the Joke? ‘Britcom’ Remakes in the United States: A Historical and Socio-Cultural Perspective

In an increasingly ‘glocalized’ world, the success of NBC’s still-running remake of the BBC’s The Office would seem to indicate the continuing vitality of ‘Britcom’ adaptations on American network television. Initiated by US producer and comedy writer Norman Lear in the early 1970s, such cross-cultural translation has nevertheless had a long history of hit-or-miss experiences over the decades. Following an analysis of how the early television developments of the situation comedy genre in both countries may have favoured the emergence of different types of sitcom humour, this article will introduce several case-studies of US ‘Britcom’ remakes so as to map out the socio-cultural specificities at work in the retooling process central to such exchanges from the British to the American television industry

Sharing the Joke? ‘Britcom’ Remakes in the United States: A Historical and Socio-Cultural Perspective

In an increasingly ‘glocalized’ world, the success of NBC’s still-running remake of the BBC’s The Office would seem to indicate the continuing vitality of ‘Britcom’ adaptations on American network television. Initiated by US producer and comedy writer Norman Lear in the early 1970s, such cross-cultural translation has nevertheless had a long history of hit-or-miss experiences over the decades. Following an analysis of how the early television developments of the situation comedy genre in both countries may have favoured the emergence of different types of sitcom humour, this article will introduce several case-studies of US ‘Britcom’ remakes so as to map out the socio-cultural specificities at work in the retooling process central to such exchanges from the British to the American television industry

Monitoring and characterization of bacterial populations of two biological air filters during the start up phase

[Abstract] This study aimed to monitor and characterize bacterial populations of two biological air filters during their start up phase (four months). The main objective of this work was to assess the potentiality of a microbiological approach to better understand the evolution of the bacterial populations within biofilters and therefore help to select biomass carrier media. The two biological filters were operated at full-scale (480 m3), filled with organic materials and dedicated to the removal of ammonia and Volatile Organic Compounds (VOCs). The first step of the work consisted in developing an extraction method for the biomass fixed on the solid supports. The second step investigated biofilters’ microbial ecology using molecular tools: DAPI (4,6-DiAmino-2- PhenylIndole), TVC (Total Viable Counts), FISH (Fluorescent In Situ Hybridization) and SSCP (Single Strand Conformation Polymorphism). The findings of the experiments did not show a significant evolution of total bacterial concentrations in biofilms of both biological filters during their start up phase. However, SSCP data analysis underlined important variations in the composition of bacterial populations. Finally, examination of the results highlighted the interest to inoculate organic media in order to reduce the acclimation time of microbial populations