Swinging-bucket centrifuge rotors feature a full pathlength, slow run time, and excellent resolution. The swinging bucket rotor allows the tube to change angle during the run. The buckets are vertical ...
Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...
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