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Investigations on Reducing Burr Formation in Metal Cutting

Metal cutting is a very common operation in the manufacturing industry. Drilling and other hole-making operations perhaps account for 50% of all metal cutting, according to some investigations. All metal cutting including drilling always produces burrs, as a by-product. Actually burrs are nothing but uncut metal at the beginning and at the end of the operations. Yet, despite burr's omnipresence in

Learning from Real Fire Incidents : a Methodology for Case Studies

Much information has been gathered through the years from fires in fire investigation reports or as statistics. The information might have been collected centrally by an agency, an insurance company or locally by the local fire service. The information can be used to learn from these events and to improve the fire safety in buildings. In this paper a methodology to find technical deficiencies in f

Screening för kolorektal cancer - Evidensläge, metoder och utmaningar : Implementeringen varierar stort mellan olika länder

Convincing data demonstrate that screening reduces mortality in colorectal cancer. International organizations and national authorities recommend implementation of colorectal cancer screening programs. There are several different primary methods for screening, including tests of blood in feces, sigmoidoscopy and colonoscopy, all with their inherent advantages and disadvantages. The majority of pro

Cultural diversity and employment growth : Moderating effect of the recent global financial crisis

This article analyses the effect of cultural diversity on employment growth, considering the recent global financial crisis (GFC) as a moderating factor. In doing so, we developed competing hypotheses based on Blau’s theory of heterogeneity versus an alternative perspective which combines the resource-based view (RBV) with social identity theory (SIT). We empirically test such theories using a uni

Effects of low thinning on carbon dioxide fluxes in a mixed hemiboreal forest

We used eddy-covariance (EC) measurements of net ecosystem exchange (NEE) above canopy to assess the effects of thinning on CO2 fluxes at the ICOS Sweden site Norunda in central Sweden. This forest site consists of mixed pine and spruce stands approx. 100 years old. The thinning during late autumn 2008, performed in a semicircle from the mast extending 200m outwards harvested about 25% of the volu