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...The material forms part of course MSXR209 Mathematical Modelling... Modelling pollution A short introduction to this album. Pollution in the Great Lakes From equations to models – experts explain water quality modelling and describe types of pollution. Modelling pollution Finding solutions to subtle and complex problems. Exploring how chemicals impact the environment....

...introduction to this album. Ordnance survey maps Learn how ordinance survey maps are accurately produced and quality controlled. Contour lines Three walkers begin a field trip navigating a route in the peak district. Taking a bearing Discover how to get your bearings with a compass and a map. A saddle point Using contour lines the ramblers can predict the land features...

...and mass spectrometry. This material is taken from The Open University course S205 The molecular world... Molecular Science: Spectrometry A short introduction to this album. Infra-red Spectrometry Preparing samples for infra-red spectroscopy Nuclear Magnetic Resonance Preparing samples for 1H and 13C nmr spectroscopy Mass Spectrometry Analysis by mass spectrometry...

...Introduction - Please note: a Statement of Participation is not issued for this course. This free course, Dynamics, is an adapted extract from the Open University course MST210 Mathematical methods, models and modelling, a core second level applied mathematics course for several mathematics and mathematics-related degrees. The course is designed to teach ‘pencil and...

...Hr) occurs in the bloodstream of certain marine worms. Its higher-order structure has similarities to Hb (which we can consider to be a Mb tetramer), in that Hr is often found as an octameric unit, with a total relative molecular mass of about 8 × 13 500 = 108 000. At its active site, Hr contains two iron atoms. However, despite the ‘haem’ in its name, the protein...