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Contour plowing or contour farming is the farming practice of plowing and/or planting across a slope following its elevation contour lines. These contour line furrows create a water break, reducing the formation of rills and gullies during heavy precipitation and allowing more time for the water to settle into the soil. [ 1 ]
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DatVietVAC (or Dat Viet VAC) is a Vietnamese media, entertainment and technology group. [1] [2] Founded in 1994 by Dinh Ba Thanh, [3] it is described as Vietnam's first and largest media company and launched the first private TV channel in the country. [4] The group operates the major Vietnamese OTT streaming platform VieON. [5] [6]
In August 2020, the U.S. Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin. [61] The FDA and manufacturers are investigating the origin of these impurities in rifampin, and the agency is developing testing methods for regulators and industry to detect the 1-methyl-4-nitrosopiperazine (MNP ...
Thổ Chu Island - the largest entity of the archipelago - was first proposed as a marine protected area in 1995. Subsequently, Asian Development Bank proposed the establishment of a marine protected areas over Thổ Chu Island with an area of 22,400 hectares (86 sq mi), of which land area is 1,190 ha (4.6 sq mi) and sea area is 21,210 ha (81.9 sq mi).
President Ngo Dinh Diem and family at his home in Hue (Central Viet Nam).jpg; President Ngo Dinh Diem on an inspection tour 350 km from Saigon (December, 1956).jpg; Portrait of Ngô Đình Diệm, from the book Ngo Dinh Diem of Viet-Nam.jpg; President Ngo Dinh Diem with the troops who defeated the Binh-Xuyen at Rung-Sat (May, 1955).jpg
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contour melody; intensity; phonation (with or without accompanying constricted vocal cords) Unlike many Native American, African, and Chinese languages, Vietnamese tones do not rely solely on pitch contour. Vietnamese often uses instead a register complex (which is a combination of phonation type, pitch, length, vowel quality, etc.). Thus, it ...