Wool — In the late 13c, there were some eight million sheep in England; the wool trade was the single most important export and the basis of crucial taxation. Monasteries had great flocks on their granges, particularly the Cistercian order in their out… … Dictionary of Medieval Terms and Phrases
X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… … Wikipedia
Johan de Witt — Grand Pensionary of Holland In office 1653–1672 Preceded by Adriaan Pauw … Wikipedia
Low Countries, history of — Introduction history of the Low Countries from prehistoric times to 1579. For historical purposes, the name Low Countries is generally understood to include the territory of what is today The Netherlands, Belgium, and Luxembourg, as… … Universalium
Leibniz: truth, knowledge and metaphysics — Nicholas Jolley Leibniz is in important respects the exception among the great philosophers of the seventeenth century. The major thinkers of the period characteristically proclaim the need to reject the philosophical tradition; in their… … History of philosophy
Netherlands, The — officially Kingdom of The Netherlands byname Holland Country, northwestern Europe. Area: 16,033 sq mi (41,526 sq km). Population (2002 est.): 16,142,000. Capital: Amsterdam; Seat of Government: The Hague. Most of the people are Dutch. Languages:… … Universalium
Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine … Wikipedia
Carbon–hydrogen bond activation — or C−H activation may be defined as a reaction that cleaves a carbon–hydrogen bond. Often the term is restricted to reactions involving organometallic complexes and proceeding by coordination of a hydrocarbon to the inner sphere of metal, either… … Wikipedia
Enlightenment (The Scottish) — The Scottish Enlightenment M.A.Stewart INTRODUCTION The term ‘Scottish Enlightenment’ is used to characterize a hundred years of intellectual and cultural endeavour that started around the second decade of the eighteenth century. Our knowledge of … History of philosophy
Metalloid — 13 14 15 16 17 2 B Boron … Wikipedia