low-temperature sludge
81Photographic processing — is the chemical means by which photographic film and paper is treated after photographic exposure to produce a negative or positive image. Photographic processing transforms the latent image into a visible image, makes this permanent and renders… …
82mercury processing — Introduction preparation of the ore for use in various products. Mercury (Hg) has a unique combination of physical properties. Its low melting point (−38.87° C [−38° F]) and boiling point (356.9° C [674° F]), high specific gravity (13 …
83Compost — (  /ˈ …
84Marlboro Township, New Jersey —   Township   Seal …
85Septic tank — A septic tank, the key component of a septic system, is a small scale sewage treatment system common in areas with no connection to main sewage pipes provided by private corporations or local governments. (Other components, typically mandated… …
86Copper in health — Normal absorption and distribution of copper. Cu = copper, CP = ceruloplasmin, green = ATP7B carrying copper. Copper is an essential trace element that is vital to the health of all living things (humans, plants, animals, and microorganisms). In… …
87Hydroponics — (from the Greek words hydro (water) and ponos (labour) is a method of growing plants using mineral nutrient solutions, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium,… …
88Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… …
89MAP sensor — The examples and descriptions in this article apply strictly to four stroke cycle gasoline engines. Other engine types such as diesel, or two stroke cycle can differ in the exact implementation, but the general theme still applies. The manifold… …
90Dimension stone — Large blocks of granite dimension stone being loaded at Teignmouth in 1827. Dimension stone is natural stone or rock that has been selected and fabricated (i.e., trimmed, cut, drilled, ground, or other) to specific sizes or shapes. Color, texture …
