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Rice husk ash has long been used in ceramic glazes in rice growing regions in the Far East, e.g. China and Japan. [2] Being about 95% silica, it is an easy way of introducing the necessary silica into the glaze, and the small particle size helps with an early melt of the glaze.
upconversion of direct diode semiconductor lasers via thulium- or praseodymium-doped fibers at 480 nm [4] metal vapor, ionized gas lasers of helium-cadmium at 442 nm and 10–200 mW [5] argon-ion lasers at 458 and 488 nm [5] Lasers emitting wavelengths below 445 nm appear violet, but are nonetheless also called blue lasers.
Helium–silver (HeAg) metal-vapor laser [3] 224.3 nm Scientific research Strontium vapor laser: 430.5 nm Scientific research Neon–copper (NeCu) metal-vapor laser [3] 248.6 nm Electrical discharge in metal vapor mixed with neon buffer gas. Scientific research: Raman and fluorescence spectroscopy [4] [5] Copper vapor laser: 510.6 nm, 578.2 nm ...
Broken rice from a rice huller will be brown whole grain; broken rice from a gristmill may be white. [citation needed]On milling, Oryza sativa, commonly known as Asian rice or paddy rice, produces around 50% whole rice then approximately 16% broken rice, 20% husk, 14% bran and meal.
Rice bran oil is the oil extracted from the hard outer brown layer of rice called bran. It is known for its high smoke point of 232 °C (450 °F) and mild flavor, making it suitable for high-temperature cooking methods such as stir frying and deep frying .
Bran is often used to enrich breads (notably muffins) and breakfast cereals, especially for the benefit of those wishing to increase their intake of dietary fiber. Bran may also be used for pickling as in the tsukemono of Japan. Rice bran in particular finds many uses in Japan, where it is known as nuka (糠; ぬか).
This kind of rice sheds its outer hull or husk but the bran and germ layer remain on, constituting the brown or tan colour of rice. White rice is the same grain without the hull, the bran layer, and the cereal germ. Red rice, gold rice, and black rice (also called purple rice) are all whole rice with differently pigmented outer layers. [1]
Along with bran, germ is often a by-product of the milling [3] that produces refined grain products. Cereal grains and their components, such as wheat germ oil , [ 4 ] rice bran oil , and maize bran, [ 5 ] may be used as a source from which vegetable oil is extracted, or used directly as a food ingredient.