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As a heating technology, Joule heating has a coefficient of performance of 1.0, meaning that every joule of electrical energy supplied produces one joule of heat. In contrast, a heat pump can have a coefficient of more than 1.0 since it moves additional thermal energy from the environment to the heated item.
Hoa Quang Nam and Hoa Hoi communes, Phu Hoa district, Phu Yen province Phu Yen 40.6 50 11/2018 21/06/2019 Europlast Phu Yen JSC Operation [167] [84] Solar Park 03, Solar Park 04 (Long An) Hamlet 3, Binh Hoa Nam Commune, Duc Hue District, Long An Province Long An 83 100 7/2020 Long An Solar Park JSC Operation Bach Khoa A Chau 1
Vietnam had the fastest growth in coal use in Southeast Asia during 2011-2021, at an annual growth rate of 11%. [4]Data of the Ministry of Industry and Trade (MOIT), 10 months of 2018 coal production was estimated at 34.35 million tons, up 10% over the same period in 2017, of which clean coal output of Vinacomin (TKV) was 29.6 million tons, up 10.9% over the same period last year. [5]
Chữ khoa đẩu is a term claimed by the Vietnamese pseudohistorian Đỗ Văn Xuyền to be an ancient, pre-Sinitic script for the Vietnamese language. Đỗ Văn Xuyền's works supposedly shows the script have been in use during the Hồng Bàng period, and it is believed to have disappeared later during the Chinese domination of Vietnam .
Vietnam Electricity (EVN; Vietnamese: Tập đoàn Điện lực Việt Nam, lit. 'Vietnam Electricity Group') is the national and the sole public power company in Vietnam . It was established by the government of Vietnam as a state-owned company in 1994, and has operated officially as a one-member limited liability company since 2010.
Vietnam wind resources are mostly located along its coastline of more than 3,000 km, and in the hills and highlands of the northern and central regions. [37] A World Bank ESMAP study (see the table below) estimated that over 39% of Vietnam's area had annual average wind speed over 6 m/s at a height of 65m, equivalent to a total capacity of 512 ...
Phạm Hùng, Secretary of the Central Office of South Vietnam (COSVN), outlined the requirements about the ordered anthem: [1] [2] The anthem's targets were all of the population of South Vietnam. The anthem had to call for the armed insurrection against the US-backed Saigon regime and the unification of Vietnam as a whole.
Vietnam Oil and Gas Group (Vietnamese: Tập đoàn Dầu khí Việt Nam), commonly known as PetroVietnam (PVN; alternatively stylized Petrovietnam or PETROVIETNAM), is the state-owned national oil and gas corporation of Vietnam.