heat of decomposition
31Poincaré–Steklov operator — In mathematics, a Poincaré–Steklov operator (after Henri Poincaré and Vladimir Steklov) maps the values of one boundary condition of the solution of an elliptic partial differential equation in a domain to the values of another boundary condition …
32Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …
33Compost — (  /ˈ …
34Dirac delta function — Schematic representation of the Dirac delta function by a line surmounted by an arrow. The height of the arrow is usually used to specify the value of any multiplicative constant, which will give the area under the function. The other convention… …
35Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
36Hydrogen peroxide — IUPAC name …
37industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
38Coffin birth — Coffin birth, known in academia by the more accurate term postmortem fetal extrusion,[1][2] is the expulsion of a nonviable fetus through the vaginal opening of the decomposing body of a pregnant woman as a result of the increasing pressure of… …
39analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
40fibre, man-made — Introduction fibre whose chemical composition, structure, and properties are significantly modified during the manufacturing process. Man made fibres are spun and woven into a huge number of consumer and industrial products, including… …
