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Chaff as a waste product from grain processing leads to a metaphorical use of the term, to refer to something seen as worthless. In the Bible, such use is found in Job 13:25, [13] Isaiah 33:11, [14] Psalm 83:13-15, [15] and other places.
The winnowing-fan (λίκνον [líknon], also meaning a "cradle") featured in the rites accorded Dionysus and in the Eleusinian Mysteries: "it was a simple agricultural implement taken over and mysticized by the religion of Dionysus," Jane Ellen Harrison remarked. [1]
At a given water-cement ratio, the addition of small amounts of rice hull ash (2 to 3% of cement mass) may be useful to improve the workability of concrete mixtures by reducing the cement milk separation and segregation and increasing the strength and durability of concrete. [18]
Separate reaper-binders and threshers have largely been replaced by machines that combine all of their functions, that is combine harvesters or combines. However, the simpler machines remain important as appropriate technology in low- capital farming contexts, both in developing countries and in developed countries on small farms that strive ...
Decanting a liquid from a solid. Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension. [1] The layer closer to the top of the container—the less dense of the two liquids, or the liquid from which the precipitate or sediment has settled out—is poured off, leaving denser liquid or the solid behind.
Water purification combines a number of methods to produce potable or drinking water. Downstream processing refers to purification of chemicals, pharmaceuticals and food ingredients produced by fermentation or synthesized by plant and animal tissues, for example antibiotics, citric acid, vitamin E, and insulin.
Gregory the Great: After the threshing is finished in this life, in which the grain now groans under the burden of the chaff, the fan of the last judgment shall so separate between them, that neither shall any chaff pass into the granary, nor shall the grain fall into the fire which consumes the chaff. [5]
The ground meal is sifted to separate the chaff and other parts of the cereal. One way of preparing jarma involves 4 to 5 litres of water, 200 to 300 grams of ground grain, one tablespoon of cooking oil, one tablespoon of wheat flour, and salt to taste. First the flour is fried in the oil, and water is added.