block-type heat exchanger
31Beam dump — A beam dump is a device that absorbs a beam. This may be a beam of photons ( light ) such as a laser beam, or a beam of electrically charged particles.Optical beam dumpsAn optical beam dump is an optical element used to absorb a beam of light.… …
32Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …
33X25XE — Infobox Automobile engine name = X25XE aka = manufacturer = General Motors Europe type = V6 petrol engine production = predecessor = C25XE successor = Y26SE bore = auto mm|81.6|3 stroke = auto mm|79.6|3 displacement = auto cc|2498|1 length =… …
34Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …
35List of Mir spacewalks — A view of …
36Swing-piston engine — A swing piston engine is a type of internal combustion engine in which the pistons move in a circular motion inside a ring shaped cylinder , moving closer and further from each other to provide compression and expansion. Generally two sets of… …
37Mazda RX-7 — Manufacturer Mazda Production 1978–2002 811,634 produced[1] Assem …
38Vegetable oil used as fuel — For engines designed to burn #2 diesel fuel, the viscosity of vegetable oil must be lowered to allow for proper atomization of fuel, otherwise incomplete combustion and carbon build up will ultimately damage the engine. Many enthusiasts refer to… …
39cooling system — Apparatus used to keep the temperature of a structure or device from exceeding limits imposed by needs of safety and efficiency. In a mechanical transmission, the oil loses its lubricating capacity if overheated; in a hydraulic coupling or… …
40Water softening — A water softener reduces the dissolved calcium, magnesium, and to some degree manganese and ferrous iron ion concentration in hard water.These hardness ions cause three major kinds of undesired effects. Most visibly, metal ions react with soaps… …
