Search results
Results From The WOW.Com Content Network
Tố Hữu, whose real name is Nguyễn Kim Thành, was born 4 October 1920 in Hoi An, Quang Nam province, as the youngest son of the family. At the age of 9, he and his father returned home and lived in Phu Lai village, now in Quang Tho commune, Quang Dien district, Thua Thien province. His father was a poor scholar, could not earn a living ...
In the U.S. Constitution, the Three-fifths Compromise is part of Article 1, Section 2, Clause 3: . Representatives and direct Taxes shall be apportioned among the several States which may be included within this Union, according to their respective Numbers, which shall be determined by adding to the whole Number of free Persons, including those bound to Service for a Term of Years, and ...
[32] [2] In response Nguyễn Phúc Khoát granted himself the title of Quốc Vương in 1744, the same title which the Trịnh lords held since 1599. [ 2 ] [ 3 ] An important distinction between the rival Nguyễn and Trịnh clans is that the Trịnh were granted the title of Vương by the Emperor while the Nguyễn never officially held a ...
For helium-3 to form a superfluid, it must be cooled to a temperature of 0.0025 K, or almost a thousand times lower than helium-4 (2.17 K). This difference is explained by quantum statistics , since helium-3 atoms are fermions , while helium-4 atoms are bosons , which condense to a superfluid more easily.
Industrial synthesis. In the patented formation of 1- O -acetyl-2,3,5-tri- O -benzoyl-beta- L -ribofuranose, a reactor containing thionyl chloride (5 ml) and methyl alcohol (100 ml) is stirred at 0–5 °C for 10 to 15 minutes. After this period, 10 g (ratio-wise) of ribose is added to the flask. The flask is then stirred and maintained at its ...
The metallic green and brown insects are known to feed on more than 300 species of plants, including roses, ornamental trees and vegetables.
2,3-sigmatropic rearrangements can offer high stereoselectivity. At the newly formed double bond there is a strong preference for formation of the E-alkene or trans isomer product. The stereochemistry of the newly formed C-C bond is harder to predict. It can be inferred from the five-membered ring transition state.
2,3-Butanediol is the organic compound with the formula (CH 3 CHOH) 2. It is classified as a vic -diol ( glycol ). It exists as three stereoisomers, a chiral pair and the meso isomer. All are colorless liquids. Applications include precursors to various plastics and pesticides.