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chemeurope.com's Encyclopedia of Chemistry provides articles for 64,557 entries from chemistry, pharmaceutics and material sciences as well as related scientific disciplines.

Definitions

Chemical warfare Chemical warfare involves using the toxic properties of chemical substance s to kill, injure or incapacitate an enemy . Chemical warfare is different from the use of conventional weapon s or nuclear weapon s because the destructive effects of chemical weapons are not primarily du more

Oxidative phosphorylation

Oxidative phosphorylation in the mitochondrion is the site of oxidative phosphorylation in eukaryote s. The NADH and succinate generated in the citric acid cycle is oxidized, releasing energy to power the ATP synthase . Oxidative phosphorylation is a metabolic pathway that uses energy released b more

Trade and use of saffron

Trade and use of saffron (大阪府), Kansai , Honshū , Japan . Saffron has been used as a seasoning , fragrance , dye , and medicine for more than 3,000 years.. The world's most expensive spice by weight, saffron consists of stigmas plucked from the saffron crocus (Crocus sativus). The resulting more

Convention on Psychotropic Substances

Convention on Psychotropic Substances The Convention on Psychotropic Substances is a United Nations treaty designed to control psychoactive drug s such as amphetamine s, barbiturate s, and psychedelics . During the 1960s, drug use increased greatly around the world, especially in Western nations. more

Sun

Sun The Sun () is the star at the center of the Solar System . It is a medium size star. The Earth and other matter (including other planet s, asteroid s, meteoroid s, comet s and dust ) orbit the Sun, which by itself accounts for about 99.8% of the solar system 's mass . Energy from the Sun, more

Chemical elements