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Perfluoro(2-methyl-3-pentanone) is a fluorinated ketone with the structural formula CF 3 CF 2 C(=O)CF(CF 3) 2, a fully-fluorinated analog of ethyl isopropyl ketone.It is used as an electronics coolant liquid and fire protection fluid sold commercially by 3M under brand names such as Novec 1230, Novec 649, and FK-5-1-12.
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
The Vietnamese grading system is an academic grading system utilized in Vietnam.It is based on a 0 to 10-point scale, similar to the US 1.0-4.0 scale.. Typically when an American educational institution requests a grade-point average calculated on the 4 point scale, the student will be expected to do a direct mathematical conversion, so 10 becomes 4.0, 7.5 becomes 3.0, etc.
Former Deputy Prime Minister Vu Duc Dam at the founding ceremony of University of Medicine and Pharmacy, November 18, 2020. [1]On May 20, 2010, Prof. PhD. Mai Trong Nhuan (Former Director of VNU-HN) signed Decision to establish the School of Medicine and Pharmacy - Vietnam National University - Hanoi.
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The original title of the text was originally Tự học toản yếu (chữ Hán: 字學纂要; literally 'Compilation of essentials for learning characters') [4] The book was believed to be complied by Ngô Thì Nhậm (chữ Hán: 吳時任; Ngô Thời Nhiệm); courtesy name, Hy Doãn (chữ Hán: 希尹).
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