war on terrorism
war on terrorism The war launched by President George W.
BUSH in the aftermath of the outrage of
SEPTEMBER 11, when he vowed that the USA would use its armed might to destroy terrorist organizations and any regimes that harbour them. In October 2001 the USA attacked Afghanistan, using air strikes to destroy the command centres of the
AL-QAIDA movement and to bring down the anti-Western
TALIBAN regime. Subsequently, the focus shifted to so-called “rogue states” such as Saddam
HUSSEIN'S Iraq, which was invaded and occupied by US-led forces in 2003.
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isoprene
Book article from: The Columbia Encyclopedia, Sixth Edition
isoprene or 2-methyl-1,3-butadiene , colorless...solvents; it boils at 34°C. The isoprene molecule contains two double bonds. It...of special catalysts; large numbers of isoprene molecules join together to form a single...
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Terpenes
Book article from: Chemistry: Foundations and Applications
...carbon building block called isoprene . It is important to note...the common building block of isoprene, terpenes can be categorized...of this system is a two-isoprene unit, so monoterpenes have...menthol, and pinene. If three isoprenes are present, as in farnesol...
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Lipids
Book article from: Chemistry: Foundations and Applications
...fatty acids, and those that are based on isoprene , a branched, five-carbon chain...the basis of phospholipid chemistry. Isoprene-Based Lipids The other class of lipid...branched five-carbon structure called isoprene, was first identified via steam distillation...
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Wallace Hume Carothers
Encyclopedia entry from: Encyclopedia of World Biography
...century that rubber on heating yields the liquid hydrocarbon isoprene, it gradually became apparent that its molecules were long chains of isoprene units; attempts to polymerize isoprene, however, merely produced sticky, rubbery substances of...
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Atmosphere and Plants
Book article from: Plant Sciences
...produce many of them. Monoterpenes and isoprenes are the best-known plant-produced...plants for defense against herbivores . Isoprene, produced by deciduous trees, spruces...stay in the plant. The production of isoprene helps plants conduct photosynthesis at...
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