thermal output of heating surfaces
91Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… …
92Scaled Composites Tier One — Tier One redirects here. For other uses, see Tier 1 (disambiguation). Tier One is Scaled Composites program of suborbital human spaceflight using the reusable spacecraft SpaceShipOne and its launcher White Knight. The craft was designed by Burt …
93Distillation — Distiller and Distillery redirect here. For other uses, see Distiller (disambiguation) and Distillery (disambiguation). For other uses, see Distillation (disambiguation). Laboratory display of distillation: 1: A heating device 2: Still pot 3:… …
94Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …
95clothing and footwear industry — Introduction also called apparel and allied industries, garment industries, or soft goods industries, factories and mills producing outerwear, underwear, headwear, footwear, belts, purses, luggage, gloves, scarfs, ties, and household… …
96Efficient energy use — Energy efficiency redirects here. For energy efficiency as a ratio in physics, see Energy conversion efficiency. Efficient energy use, sometimes simply called energy efficiency, is using less energy to provide the same level of energy service. An …
97photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
98Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W …
99Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
100Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… …
