pure cost of circulation
71Pebble bed reactor — Sketch of a pebble bed reactor in Italian …
72Biofuel — Information on pump regarding ethanol fuel blend up to 10%, California …
73Blood substitutes — Blood substitutes, often called artificial blood, are used to fill fluid volume and/or carry oxygen and other blood gases in the cardiovascular system. Although commonly used, the term is not accurate since human blood performs many important… …
74Swimming pool sanitation — articleissues refimprove = January 2008 technical = August 2008Swimming pool sanitation refers to both visual clarity and levels of microflora, such as bacteria and viruses in swimming pools. The goal of sanitation is to prevent the spread of… …
75Currency of Venezuela — This article provides a historical summary of the currency used in Venezuela since the end of the 18th century. For the present currency of Venezuela, see Venezuelan bolívar. Contents 1 Pre independence currency 1.1 Coin 1.1.1 1787 lightweight… …
76ethics — /eth iks/, n.pl. 1. (used with a sing. or pl. v.) a system of moral principles: the ethics of a culture. 2. the rules of conduct recognized in respect to a particular class of human actions or a particular group, culture, etc.: medical ethics;… …
77explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… …
78Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
79Blood substitute — A blood substitute (also called artificial blood or blood surrogates) is a substance used to mimic and fulfill some functions of biological blood, usually in the oxygen carrying sense. They aim to provide an alternative to blood transfusion,… …
80Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …
