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The Pan Africa Chemistry Network (PACN) connects chemists across Africa. [1] It was launched in London on 21 November 2007 and in Nairobi on 27 May 2008 by the Royal Society of Chemistry . [ 2 ] The PACN works to connect chemists across Africa and has five centres of excellence in analytical chemistry in Kenya , Ethiopia , Ghana and Nigeria .
An E-8 crew member entering data using an AN/PYQ-10 before a flight. The AN/PYQ-10 Simple Key Loader (SKL) is a ruggedized, portable, hand-held fill device, for securely receiving, storing, and transferring data between compatible cryptographic and communications equipment.
Nomenclature of Organic Chemistry, commonly referred to by chemists as the Blue Book, is a collection of recommendations on organic chemical nomenclature published at irregular intervals by the International Union of Pure and Applied Chemistry (IUPAC).
A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings.Most are produced by the incomplete combustion of organic matter— by engine exhaust fumes, tobacco, incinerators, in roasted meats and cereals, [1] or when biomass burns at lower temperatures as in forest fires.
2010 FIFA World Cup South Africa is the official video game for the 2010 FIFA World Cup, published by EA Sports [1] and available on iOS and all major seventh-generation platforms except the Nintendo DS. Announced in January 2010 during an interview with one of the producers of the game, it was released 27 April 2010 in North America.
24 May 1870 in Riebeek West, Swartland, Western Cape, South Africa 11 September 1950 in Irene, Gauteng, South Africa 1945 "for his efforts to end World War II and for South Africa's main role in the war of helping the allies in preventing Germany and Italy from conquering North Africa." [42] Halvdan Koht (1873–1965) Norway
Here Kekulé spoke of the creation of the theory. He said that he had discovered the ring shape of the benzene molecule after having a reverie or day-dream of a snake biting its own tail (a symbol in ancient cultures known as the ouroboros). [40] This vision, he said, came to him after years of studying the nature of carbon-carbon bonds.
Dis-Chem is the second largest retail pharmacy chain in South Africa, with 165 stores, plus 4 in Namibia and 4 in Botswana. [1] The chain had a total revenue of 21.4 billion South African rand in 2019. Dis-Chem has private label products, sells via the Internet, operates a loyalty programme, and the Group has a wholesale division. [2]