that+cannot+be+estimated
51Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …
52Eastern Orthodox Church — Orthodox Catholic Church and Orthodox Christian Church redirect here. For other uses of the term, see Orthodox (disambiguation). Not to be confused with Oriental Orthodox Churches. See also: Eastern Christianity and Orthodoxy by country The… …
53Space colonization — Artist Les Bossinas 1989 concept of Mars mission Space colonization (also called space settlement, space humanization, or space habitation) is the concept of permanent human habitation outside of Earth. Although hypothetical at the present time,… …
54Wind power — Wind power: worldwide installed capacity [1] …
55Constraint optimization — In constraint satisfaction, constrained optimization (also called constraint optimization) seeks for a solution maximizing or minimizing a cost function. Contents 1 Definition 2 Solution methods 2.1 Branch and bound …
56acid–base reaction — ▪ chemistry Introduction a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …
57government budget — Forecast of governmental expenditures and revenues for the ensuing fiscal year. In modern industrial economies, the budget is the key instrument for the execution of government economic policies. Because government budgets may promote or retard… …
58Environmental impact of shipping — A cargo ship discharging ballast water into the sea. The environmental impact of shipping includes greenhouse gas emissions and oil pollution. Carbon dioxide emissions from shipping is currently estimated at 4 to 5 percent of the global total,… …
59Sexual slavery — refers to the organised coercion of persons into various different sexual practices: # forced prostitution # single owner sexual slavery # ritual slavery, sometimes associated with traditional religious practices # slavery for primarily non… …
60environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
