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Lê Hữu Trác (Chữ Hán: 黎有晫, 1724 in Hưng Yên – 1791 in Hà Tĩnh) or alias Hải Thượng Lãn Ông (海上懶翁), was an 18th-century Vietnamese physician who was the best known and most celebrated doctor in Vietnamese history.
Violet is the color of light at the short wavelength end of the visible spectrum. It is one of the seven colors that Isaac Newton labeled when dividing the spectrum of visible light in 1672. Violet light has a wavelength between approximately 380 and 435 nanometers. [2] The color's name is derived from the Viola genus of flowers. [3] [4]
Manganese violet is the inorganic compound with the formula NH 4 MnP 2 O 7. [1] As implied by its name and composition, it is a purple, inorganic pigment . [ 2 ] Because it is often impure, the pigment's hue is varied. [ 3 ]
47 is a safe prime, [1] an isolated prime, [2] a highly cototient number, [3] an Eisenstein prime, and a Lucas number. [4] 47 is also a supersingular prime. [5] It is the last consecutive prime number that divides the order of at least one sporadic group. [6]
Mai là sinh viên. "Mai is (a) student." For the meaning of the sentence to be understandable, in the sentence above the copula là precedes sinh viên "student". Omitting the copula, as in *Mai sinh viên results in an ungrammatical sentence. [1] In contrast, verbs/adjectives do not co-occur with the copula. Mai cao. "Mai is tall."
Red-violet refers to a rich color of high medium saturation about 3/4 of the way between red and magenta, closer to magenta than to red. [1] In American English, this color term is sometimes used in color theory as one of the purple colors—a non- spectral color between red and violet that is a deep version of a color on the line of purples on ...
Nguyễn Văn Trỗi (1 February 1940 [1] – 15 October 1964) was a Vietnamese revolutionary and member of the NLF (National Liberation Front). He gained notoriety after being captured by ARVN forces while trying to assassinate United States Secretary of Defense Robert McNamara and Ambassador Henry Cabot Lodge Jr. who were visiting South Vietnam in May 1964.
Prior to Typhoon Yagi forming and making landfall in Vietnam, domestic media reported unusual weather patterns in August 2024. Speaking to the Natural Resources and Environment newspaper, Mai Văn Khiêm, Director of the National Center for Hydro-Meteorological Forecasting, stated that the country's average temperature reached 28.3 °C (82.9 °F), the highest in recorded history. [1]