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By pulse-modulating a cw dye-laser beam and employing the delayed-coincidence technique, we have determined the natural radiative lifetimes of a number of atomic states in rare-earth atoms Eu, Dy, and Yb. In the measurements, which were performed on an atomic beam, exponential decay curves with good statistics were obtained using short measuring times. The general features of the technique are dis
Using stakeholder relationships in order to understand alliances could possibly be one way of getting a new take on alliances and why they so often fail. During the LUSAX research a number of factors have emerged that can be said to influence alliances. Having dedicated functions to run and monitor the alliances, as well as having good relationships with partners that materializes into trust are t
Popular Abstract in Swedish I Sverige utförs cirka 3500 benamputationer varje år. Över 90% av alla amputationer görs på grund av kärlsjukdomar, där förträngningar i blodkärlen försämrar blodflödet med vävnadsdöd och vanligen kallbrand som följd. Det finns i huvudsak tre faktorer som ökar risken för amputation på grund av kärlsjukdom; ålder *80 år, rökning och diabetes. Om man inte tillhör någon avGeneral characteristics and outcome was evaluated in 177 consecutive patients who underwent a major amputation in a defined population. Smoking and diabetes lowered the mean amputation age. Healing failure at six months was seen in 24% of transtibial and in 11% of transfemoral amputees. Preoperative absence of gangrene and hemoglobin >120 g/L increased the risk of healing failure. Six months after
The article follows the artist Nils Månsson Mandelgren's (1813-1899) travels in France based on the 2001 route of the Tour de France.
Inom psykologin studeras olika aspekter av människans mentala förmåga. Delområdet biologisk psykologi försöker förklara hur vår hjärna och vårt nervsystem fungerar. Detta kapitel kommer att röra sig i gränsområden till andra vetenskaper som utvecklingslära, genetik, neurofysiologi och neurokemi. Syftet är att ge läsaren en bred orientering om det biologiska underlaget för människans, i många avs
The aerosol size distribution in 11 dwellings was measured using an electrical mobility analyser (TSI 3030). Large variations in the aerosol concentration, e.g. in connection with cooking and smoking were detected both within a single dwelling and between different dwellings. A typical size distribution shows an area median diameter of 0.2 µm with a geometrical standard deviation of about 2. Varia
