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4-Methylimidazole (4-MeI or 4-MEI) is a heterocyclic organic chemical compound with molecular formula H 3 C – C 3 H 3 N 2 or C 4 H 6 N 2. It is formally derived from imidazole through replacement of the hydrogen in position 4 by a methyl group. It is a slightly yellowish solid.
The National Committee for 4 and 5 May (Dutch: Nationaal Comité 4 en 5 mei) is a Dutch authority for war monuments and memorials since 1987. The committee is best known for its annual organization of the Remembrance of the Dead observances on May 4, and also its organization of music festivals to celebrate freedom on May 5, Liberation Day ...
The multivariate ENSO index, abbreviated as MEI, is a method used to characterize the intensity of an El Niño Southern Oscillation (ENSO) event. Given that ENSO arises from a complex interaction of a variety of climate systems, MEI is regarded as the most comprehensive index for monitoring ENSO since it combines analysis of multiple meteorological and oceanographic components.
The Delta Commission recommended a target exceedance frequency of 10 −4 per year as the basis for design levels in central Holland, and its work led to the enactment of the 1958 Delta Act. Wemelsfelder's work actually considered a factor of safety that increased the exceedance frequency to that which corresponds to m =10 −5 , where m is the ...
A Nightmare on Elm Street 4: The Dream Master (1988) A Nightmare on Elm Street 5: The Dream Child (1989) A Nightmare on Elm Street (2010) Nightmare Factory (2011) Nightmare Honeymoon (1974) Nightmare Man (2006) Nightmare at Noon (1987) Nightmare Nurse (2016) Nightmare Sisters (1988) Nightmare in the Sun (1965) Nightmare in Wax (1969) Nightmare ...
Tennis: At the French Open, a new world record for the longest match in the sport's recorded history is set when Frenchman Fabrice Santoro beats Arnaud Clément 6-4, 6-3, 6-7 (5), 3-6, 16-14 after playing for 6 hours and 33 minutes, split over two days. Phish announces the popular jamband is breaking up.
[4] [5] The dynasty not only never recovered, its regime steadily lost strength during the Spring and Autumn period (770-481). At its start the Zhou rulers deployed the fengjian system. Differing from the feudal estates , in ancient China kinship formed the primary bond between the royal dynast and the local ' vassal '.
They include crops and animals believed to have originated from the Hemudu and Majiabang cultures in the hypothetical pre-Austronesian homelands in mainland China, [4] as well as other plants and animals believed to have been first domesticated from within Taiwan, Maritime Southeast Asia, and New Guinea.