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Hanoi University of Mining and Geology (Vietnamese: Trường Đại học Mỏ - Địa chất Hà Nội) is a university in the Bắc Từ Liêm district of Hanoi, the capital of Vietnam. It trains technical experts in exploration and exploitation of natural resources; in protection of mining and the geological environment; and to be a center ...
Sir Francis Beaufort. The scale that carries Beaufort's name had a long and complex evolution from the previous work of others (including Daniel Defoe the century before). In the 18th century, naval officers made regular weather observations, but there was no standard scale and so they could be very subjective — one man's "stiff breeze" might be another's "soft breeze"—: Beaufort succeeded ...
The early tables attempted to list all knots of at most 10 crossings, and all alternating knots of 11 crossings (Hoste, Thistlethwaite & Weeks 1998). The development of knot theory due to Alexander, Reidemeister, Seifert, and others eased the task of verification and tables of knots up to and including 9 crossings were published by Alexander ...