liquid+or+gaseous
71Excretory system — The excretory system is a passive biological system that removes excess, unnecessary or dangerous materials from an organism, so as to help maintain homeostasis within the organism and prevent damage to the body. It is responsible for the… …
72Real gas — Thermodynamics …
73colloid — /kol oyd/, n. 1. Physical Chem. a substance made up of a system of particles with linear dimensions in the range of about 10 7 to 5 × 10 5 cm dispersed in a continuous gaseous, liquid, or solid medium whose properties depend on the large specific …
74Electrical breakdown — in an electric discharge showing the ribbon like plasma filaments from a Tesla coil. The term electrical breakdown or electric breakdown has several similar but distinctly different meanings. For example, the term can apply to the failure of an… …
75Carburization — (often referred to as carburizing) is a heat treatment process which iron or steel is heated to below the melting point in the presence of a solid, liquid, or gaseous material which decomposes so as to liberate carbon when heated to the… …
76Case hardening — or surface hardening is the process of hardening the surface of a metal, often a low carbon steel, by infusing elements into the material s surface, forming a thin layer of a harder alloy. Case hardening is usually done after the part in question …
77Phase (matter) — In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.[1] Examples of physical properties include density, index of refraction, and chemical …
78Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …
79Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur …
801998 Esso Longford gas explosion — The 1998 Esso Longford gas explosion was a catastrophic industrial accident which occurred at the Esso natural gas plant at Longford in the Australian state of Victoria s Gippsland region. On 25 September 1998, an explosion took place at the… …
