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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 ...
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Nguyễn Trung Trực (1838 [b] – 27 October 1868), born Nguyễn Văn Lịch, was a Vietnamese fisherman who organized and led village militia forces which fought against French colonial forces in the Mekong Delta in southern Vietnam in the 1860s.
Bach Khoa A Chau 1 Hamlet 5, Suoi Day Commune, Tan Chau District, Tay Ninh Province Tay Ninh 24.2 30 13/05/2019 Tay Ninh Bach Khoa A Chau JSC Operation [84] Tri Viet 1 Hamlet 5, Suoi Day Commune, Tan Chau District, Tay Ninh Province Tay Ninh 24.2 30 20/05/2019 Tri Viet Tay Ninh JSC Operation [168] [84] HCG
Pham Minh Chinh has a son and a daughter. His younger brother, Pham Tri Thuc, held the position of Vice Chairman of the National Assembly Law Committee and was an assembly member during the XIII and XIV sessions. [37] His younger sister, Pham Thi Thanh, is the Director-General of Internal Affairs at the Government Office. [38]
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]
Vietnam Fisheries Surveillance (Vietnamese: Kiểm ngư Việt Nam - KNVN), still alternatively using the former official name Vietnam Fisheries Resources Surveillance and colloquially recognized by its Vietnamese short name Kiểm Ngư (KN, lit.