hindrance
121Free will — This article is about the philosophical questions of free will. For other uses, see Free will (disambiguation). A domino s movement is determined completely by laws of physics. Incompatibilists say that this is a threat to free will, but… …
122Diels-Alder reaction — The Diels Alder reaction is an organic chemical reaction (specifically, a cycloaddition) between a conjugated diene and a substituted alkene, commonly termed the dienophile, to form a substituted cyclohexene system. [cite journal author = Diels,… …
123Rambler (automobile) — Rambler was an automobile brand name used by the Thomas B. Jeffery Company between 1900 and 1914, then by its successor, Nash Motors from 1950 to 1954, and finally by Nash s successor, American Motors Corporation from 1954 to 1969. It was often… …
124Anti-spam techniques (e-mail) — To prevent e mail spam, both end users and administrators of e mail systems use various anti spam techniques. Some of these techniques have been embedded in products, services and software to ease the burden on users and administrators. No one… …
125Friedel-Crafts reaction — The Friedel Crafts reactions are a set of reactions developed by Charles Friedel and James Crafts in 1877. [Friedel, C.; Crafts, J. M. Compt. Rend. 1877, 84 , [http://gallica.bnf.fr/ark:/12148/bpt6k30410/f1386.table 1392]… …
126Co-sleeping — is a practice in which babies and young children sleep close to one or both parents, as opposed to in a separate room. It is standard practice in many parts of the world, and is practiced by a significant minority in countries where cribs are… …
127Ascetical theology — is the organized study or presentation of spiritual teachings found in Christian Scripture and the Church Fathers that help the faithful to more perfectly follow Christ and attain to Christian perfection . The word ascetic is from the Greek word… …
128Biodiesel production — is the act of producing the biofuel, biodiesel, through either transesterification or alcoholysis. The process involves reacting vegetable oils or animal fats catalytically with a short chain aliphatic alcohols (typically methanol or… …
