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They can be realized as single-cylinder or two-cylinder pumps. In the latter case, power is transferred to the material via delivery pistons working in push-pull-mode. While one delivery piston sucks material from the feed hopper into the cylinder, the second piston simultaneously pushes the material in the other delivery cylinder and into the ...
Aeration turbine with pipeline. Aeration turbines are designed to aerate and mix fluids industrially. They are foremost used in brewing, pond aeration and sewage treatment plants. [1] Aeration turbines are designed for mixing gases, usually air, with a liquid, usually water. They can serve additional purposes like destratification, agitator or ...
Typical horizontal steam engine with double-acting cylinder. A double-acting cylinder is a cylinder in which the working fluid acts alternately on both sides of the piston. . In order to connect the piston in a double-acting cylinder to an external mechanism, such as a crank shaft, a hole must be provided in one end of the cylinder for the piston rod, and this is fitted with a gland or ...
It consists of many carbon steel discs, and sometimes longer-lasting boron steel discs, which have many varying concavities and disc blade sizes and spacing (the choices of the latter being determined by the final result required in a given soil type) and which are arranged into two sections ("offset disk harrow") or four sections ("tandem disk ...
Aeration (also called aerification or aeriation) is the process by which air is circulated through, mixed with or dissolved in a liquid or other substances that act as a fluid (such as soil). Aeration processes create additional surface area in the mixture, allowing greater chemical or suspension reactions.
Sifeng Model 12 HP 2WT with 5.6 tonnes of rice, Bangladesh A Changzhou Hengfeng Two-wheel tractor ('Walking Tractor') in Hsipaw ().. Research has identified several terms used to identify the two-wheel tractor including: "walk-behind tractor, iron-ox, walking tractor, mechanical ox, ox-machine, pedestrian tractor, hand tractor, single-axle tractor, and in Asia, tok-tok".
One commonly-used tool to reduce the severity of these lake management problems is to eliminate or lessen thermal stratification through aeration. [2] Many types of aeration equipment have been used to reduce or eliminate thermal stratification. Aeration has met with some success, although it has rarely proved to be a panacea. [10]
For small livestock there are corresponding conversions. Depending on the quality of the Alp or Alm a full Stoß may require between 1/2 ha and 2 ha. The Stoß is divided into feet or Füße. A full Stoß is the pasture required by a cow, and equals 4 Füße. Bulls, calves, etc., are a fraction of that, e.g. a one-year old bull needs 2 Füße.