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A bubble column reactor is a very simple device consisting of a vertical vessel filled with water with a gas distributor at the inlet. Due to the ease of design and operation, which does not involve moving parts, they are widely used in the chemical, biochemical, petrochemical, and pharmaceutical industries to generate and control gas-liquid ...
Block on a ramp and corresponding free body diagram of the block. In physics and engineering, a free body diagram ( FBD; also called a force diagram) [1] is a graphical illustration used to visualize the applied forces, moments, and resulting reactions on a body in a given condition. It depicts a body or connected bodies with all the applied ...
A drum hoist (steel wire rope visible) and motor. In underground mining a hoist or winder [1] is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), however modern large hoists use alternating current drives that ...
15×15×30 mm (plus peg) standard block in original gray color. The fischertechnik da Vinci construction set can be used to recreate inventions by Leonardo da Vinci such as this file cutting machine. [1] Fischertechnik is a brand of construction toy. It was invented by Artur Fischer and is produced by fischertechnik GmbH in Waldachtal, Germany.
The Fischer–Tropsch process (FT) is a collection of chemical reactions that converts a mixture of carbon monoxide and hydrogen, known as syngas, into liquid hydrocarbons. These reactions occur in the presence of metal catalysts , typically at temperatures of 150–300 °C (302–572 °F) and pressures of one to several tens of atmospheres.
There's no doubt how valuable service dogs are to the owners who rely on them. They show their furry friends lots of love and care, and in return, their dogs perform life-changing skills that ...
A fixed-wing aircraft, or airplane, is a heavier-than-air craft whose lift is generated by air pressure differential between the upper and lower wing surfaces. The Wright brothers , Wilbur and Orville Wright of Dayton, Ohio, made the first powered and sustained airplane flights under control of the pilot in the Wright Flyer I on December 17 ...
A man playing the violin. It is possible to play the violin holding it in a variety of ways. Most players hold the lower bout of the instrument between the left shoulder and the jaw, often assisted by a semi-permanently attached chinrest and detachable shoulder rest. If held properly under the chin, the violinist can let go of the instrument ...