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www.quangbinh.gov.vn. Quảng Bình ( Vietnamese: [kwaːŋ˧˩ ʔɓïŋ˨˩] ⓘ) is a southern coastal province in the North Central Coast region, the Central of Vietnam. It borders Hà Tĩnh to the north, Quảng Trị to the south, Khammouane of Laos to the west and the East Sea ( Gulf of Tonkin) to the east. Quảng Bình was formerly Tiên ...
Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide .
Bình Dương (Vietnamese: Bình Dương; Vietnamese pronunciation: [ʔɓïŋ˨˩ jɨəŋ˧˧] ⓘ) is a province of Vietnam.It is located in the Southeast region of the country and the Southern Key Economic Zone 2, bordering Bình Phước province to the north, Ho Chi Minh City (Sài Gòn) to the south and southwest, Tây Ninh province to the west, and Đồng Nai province to the east.
The physical properties of soil, in order of decreasing importance for ecosystem services such as crop production, are texture, structure, bulk density, porosity, consistency, temperature, colour and resistivity. [1] Soil texture is determined by the relative proportion of the three kinds of soil mineral particles, called soil separates: sand ...
Hải Dương city was built in 1804, and was first called "Thành Đông" (Sino-Vietnamese for eastern citadel), referring to the citadel east of Vietnam's capital, Hanoi. During the French colonial period, Hải Dương was a town. Before 1968, Hải Dương was a town in Hải Dương Province. Between 1968 and 1996 it was the capital of ...
Regions of Vietnam. Central Vietnam ( Vietnamese: Trung Bộ or miền Trung ), also known as Middle Vietnam or The Middle, formerly known as Trung Phần by South Vietnam, Trung Kỳ and Annam under French Indochina, is one of the three geographical regions within Vietnam . The name Trung Bộ was used by the emperor Bảo Đại when he ...
220,055 ha (849.64 sq mi) Phong Nha-Kẻ Bàng ( Vietnamese: Vườn quốc gia Phong Nha-Kẻ Bàng) is a national park and UNESCO World Heritage Site in the Bố Trạch and Minh Hóa districts of central Quảng Bình Province in the North Central Coast region of Vietnam, about 500 km south of Hanoi. The park borders the Hin Namno National ...
Ninh Bình (Vietnamese: [nïŋ˧˧ ʔɓïŋ˨˩] ⓘ) is a province of Vietnam in the Red River Delta region of the northern part of the country. [3] The province is famous for a high density of natural and cultural attractions, including reserved parks in Cúc Phương National Park and Vân Long, grotto caves and rivers in Tràng An, Tam Cốc-Bích Động and Múa Caves, historic monuments ...