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… on different days. After arriving in the laboratory, I waited three different times (30 min, 60 and 180 min) for the diatoms to settle. Thereafter I counted the settled diatoms in the microscope. In the next step, I employed a statistic test to investigate if the number of …
Styrka och snabbhet i den manuella responsen för emotionella stimuli
… neutral stimulus search arrays can explain some of the difference in reaction times (RT:s) for emotional stimuli, or not. Earlier, perceptual, cognitive and attentional processes has mostly been used to explain the variance in RT:s. Thirtythree individuals were asked to, as fast …
- vid jordförbättring inom trädgård
… the embryonic development, because embryos may be more vulnerable at certain times during embryonic development and/or because the exposure at different times can produce different effects. Embryos were also chronically exposed, which is essential for aquatic systems because the …
Exponering under embryonalutvecklingen ger effekter på tillväxt, överlevnad och beteende
… the embryonic development, because embryos may be more vulnerable at certain times during embryonic development and/or because the exposure at different times can produce different effects. Embryos were also chronically exposed, which is essential for aquatic systems because the …
Fallstudie: Intunnling av E4/E20 Tomteboda - Haga södra
… of Essingeleden and Norra Länken is not enough to accommodate all traffic. At times it is not moving at all, which results in long queues and an augmented risk of accidents. Consequently measures for increasing the capacity on E4/E20, which will reduce congestion and the risk of …
Omkonstruktioner för billigare tillverkning
… are controlled bythe valves. The valves in use today have very fast switching times which makes themrelatively expensive. By replacing the valves with valves that have higher airflow butlonger switch times, costs are reduced through a lower purchase price of the valves.Thanks to …
… and a weight interval subdivision with associateddelubrication process times.During delubrication a pressure increase is observed due to the decomposition of thePEG in the powder mixture. Previously, a larger total charge weight both increasedthe magnitude of the pressure …
… the expected capacity. The capacity prob-lem is due to time consuming set-up times, machine care and material supply which makes the plasma cutting machines utilization rate 37.5 %.The study’s purpose aims to maximize the material flow through the plasma cut-ting machine. In …
En utredning kring en ny bullerlösning vid trafikleder
… result of the investigations shows that the Noise tunnel is approximately 10 times more expensive than a noise barrier, but 10 times cheaper than decking over the road. Furthermore, it has been found that it is possible to construct the Noise tunnel with today’s production …
A tool designed for the material handling department at Scania Axles and Gearboxes
… position contains a number of operations to be performed a certain number of times during a given a number of working hours. The amount workload within a working position is calculated as the ratio how long an operation takes to perform, the number of times the task needs to be …
Ett arbete inom byggnadsbranschen
… by difficulties to prioritize the management of guarantees, with long lead times and customer-, and employee dissatisfaction as a result. Achieving a professional management means to adapt the company to a longer warranty. It means taking responsibility, prioritizing and …
Med hja?lp av livscykelanalys
… production of material with the traditionally pipe replacement was about 950 times larger than with the relining. The transport with the traditionally pipe replacement was about three times bigger than the transport with relining. The result of the v recycling was larger with …
… by 11 percent if new residential areas were built in the drainage area. Return times of rain had profound implications for the amount of runoff. A 50-year rainfall generated 7.6 times as much stormwater runoff for 1 hour as a 1-year rainfall and the amount of flooded water …
… activity has to be regular for long-term effects. The frequency of 2-3 times per week provide effects on mood in studies. In the research area of physiological mechanisms that may reduce depression, anxiety and stress it is not enough research done on young women to provide …
… The numbers of emergency department visits are increasing and lead to waiting times which can cause frustration among patients and relatives, a frustration that nurses encounter in their everyday work and need strategies to deal with.Methods: This is a descriptive qualitative …
