Science PostersShowcasing some of the very best of NPL's science output.
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Laser trackers are the most accurate metrology tool used for large volume measurement, and they are used in industries as diverse as civil engineering, aerospace and automotive manufacture.
Erosion testing at NPL is concerned with both gas borne particulate erosion and water jet erosion testing. The testing is combined with an analysis of how the damage that is developed varies with applied test condition and microstructural parameters.
Abrasion, caused by particles rubbing against a moving surface, can be measured for a wide range of engineering materials such as ceramics, hardmetals, hardfacing alloys and hardened steels.
Hall sensors are used for magnetic field sensing in numerous industrials applications as well as fundamental research.
The 3D dose distribution around HDR brachytherapy sources used in cancer treatment is difficult to measure accurately due to the steep dose gradients.
This poster briefly presents the results from a comparison exercise involving 90Y performed in October 2009 to assess the measurement capability of Medical Physics Departments in the UK and Ireland.
The current cost of chronic wound management is about 3% of the annual NHS budget circa £3bn. The ability to quickly and accurately identify wound type and the underlying wound aetiology is of the utmost importance.
Measurement of two phase-standard designs based on different technologies, over a range of drive frequencies shows differences in behavior.
The National Physical Laboratory (NPL) has well-established facilities for radioactivity standardisations of beta emitting gases, e.g. 3H, 85Kr, and more recently 11C, by internal proportional counting.
Water sorption characteristics are determined for many materials normally by studying weight changes after a sample has been exposed to salt solutions of established relative humidities (e.g. COST 90 procedure).
The Composite Group at NPL offers expertise in processing, material and structural design, materials characterisation and testing, modelling, non-destructive evaluation and structural health monitoring.
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Light microscopes have a resolution limit of around 250 nanometres (nm), which means anything smaller will appear blurred.
Photoelectrochemical activity screening of dyes on TiO2 surfaces is becoming increasingly relevant as industry tries to expand commercialisation of dye-sensitized solar cells (DSSCs).
Joint winners of the NPL Science Poster Fair 2012
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