Upper 2nd UK Honours degree, or international equivalent, in a relevant science or engineering discipline or a 1st degree with an additional UK Master's degree or international equivalent; IELTS: 7.0 (with no sub score below 6); TOEFL paper based: 600 (with a minimum TWE of 5.0);TOEFL computer based: 250 (with a minimum TWE of 5.0); TOEFL internet based: 100 (with no sub score less than 25).