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A pH meter is a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH. [2]
A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH (acidity or basicity) of the solution can be determined visually or spectroscopically by changes in absorption and/or emission properties. [1] Hence, a pH indicator is a chemical detector for hydronium ions (H 3 O +) or hydrogen ions (H +) in the ...
The Vietnam Academy of Science and Technology (VAST; Vietnamese: Viện Hàn lâm Khoa học và Công nghệ Việt Nam) is the largest and most prominent research institute in Vietnam. It was founded on 20 May 1975 as the Vietnam Academy of Science, then subsequently assumed its current name in 2008.
The river Tiền as it flows through Tân Châu (An Giang) River Tiền at Mỹ Tho. The Tiền River (Vietnamese: Sông Tiền 瀧前 or Tiền Giang 前江) is the name given to the section of the Mekong’s mainstream in Vietnam.
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.
In 1955, Nhất Hạnh returned to Huế and served as the editor of Phật Giáo Việt Nam (Vietnamese Buddhism), the official publication of the General Association of Vietnamese Buddhists (Tổng Hội Phật Giáo Việt Nam) for two years before the publication was suspended as higher-ranking monks disapproved of his writing. He believed ...
Tran Thuc Tien (Vietnamese: Trần Thúc Tiển) was a Grandmaster of Wing Chun, disciple of General Yuen Chai Wan, a Western educated wine maker and entrepreneur. The title of posthumous honor was awarded to Tran for Martial Arts by the leaders of the Hanoi Martial Arts Association, [ 3 ]
Temple of Literature, Hanoi, the temple hosts the Imperial Academy (Quốc Tử Giám, 國子監), Vietnam's first university. This is a list of universities in Vietnam.The public higher education system in Vietnam basically consists of 2 levels: university system (called đại học) and university (usually specialize in a fixed scientific field; called trường đại học).