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Explains why the Carnot cycle is the cycle of the greatest possible thermodynamic efficency follows through the four stages of the cycle. Shows a Stirling engine based on the Stirling cycle, with each stage...
Shows plasma levels of gonadotrophins and ovarian hormones as the ovulatory cycle progresses and then shows how oral contraceptives affect this cycle. A new time scale is introduced for the ovulatory cycle...
Introduces the modelling cycle with two examples of its application: 1) shows how British Rail uses a modelling cycle to fit a football special into its regualr timetable; 2) shows a far more complex example...
Explains the limestone cycle of formation and decay, showing how nature makes and breaks calcium carbonate through the use of examples from the natural world and graphic particle models.
Shows the complete life cycle of the parasite using phase contrast, time-lapse cinemicrography and animation.
Short animation illustrating the phosphorous and nitrogen cycle. [2 minutes]
A CAL model of the nitrogen cycle that calculates the amounts of nitrogen in the major transformation of the nitrogen cycle in grazed grassland. It presents the results as a dynamic display, with which the...
Introduces the cycle notation for permutations. Shows how any permutation can be represented by a combination of cycles. Looks at the relationship between the conjugacy classes of a permutation and the cycle...
In Afghanistan the people and their labour are bound to the land in the cycle of activities from the sowing to the harvesting of wheat. Without narration or sub-titles, the film conveys a sense of unity...
'Amoebidium parasiticum’ is a non-pathogenic thallophyte which preferentially develops in the ‘Cladocera’ but often invades different related arthropods. The life cycle has two reproductive phases,...
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