ultra- low temperature
101nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
102Cryogenic engineering — is a branch of mechanical engineering which deals with cryogenics. and related very low temperature processes such as air liquefaction, cryogenic engines (for rocket propulsion), cryogenic surgery, et cetera. Generally, temperatures below the… …
103Kerosene — Kerosene, sometimes spelled kerosine in scientific and industrial usage, [Webster s New World College Dictionary, kerosene .] is a combustible hydrocarbon liquid. The name is derived from Greek keros (κηρός wax). The word Kerosene was registered… …
104Sintering — is a method used to create objects from powders. It is based on atomic diffusion. Diffusion occurs in any material above absolute zero but it occurs much faster at higher temperatures. In most sintering processes the powdered material is held in… …
105Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
106Mount Washington (New Hampshire) — Mount Washington Mount Washington, from Bretton Woods. The cog railway track is visible, on the spur to the left of the summit …
107Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …
108Lau Wai Shing — Wai Shing Lau (simplified Chinese name: 刘偉成, born July 29, 1955 in Hong Kong) is also known as Lau Wai Shing. The family name of Lau is sometimes spelled as Liu like Liu Bang (founder of the Han dynasty) or Liu Shaoqi or Liu Bocheng. This is… …
109Flywheel energy storage — NASA G2 flywheel Flywheel energy storage (FES) works by accelerating a rotor (flywheel) to a very high speed and maintaining the energy in the system as rotational energy. When energy is extracted from the system, the flywheel s rotational speed… …
110Magnetic resonance imaging — MRI redirects here. For other meanings of MRI or Mri, see MRI (disambiguation). Magnetic resonance imaging Intervention Sagittal MR image of the knee ICD 10 PCS B?3?ZZZ …
