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Ash flow
| Earth Science |
A turbulent mixture of gas and rock fragments, most of which are ash-sized particles, ejected violently from a crater or fissure. the mass of pyroclastics is normally of very high temperature and moves rapidly down the slopes, or even along a level surface.
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Ash, английский
- Asymmetric septal hypertrophy
- Advanced scout helicopter
- Armed scout helicopter
- Assault support helicopter
- A measure of the amount of inorganic material in lubricating oil. determined by burning the oil and weighing the residue. results expressed as percent by weight.
- Fine particles of rock material ejected during an explosive volcanic eruption (commonly intermediate to felsic events). ash may be either solid or molten when first erupted, and generally measures less than 0.10 inch in size (larger particles have other names).
- A hard, strong, straight-grained hardwood
- Зола. твердый остаток после практически полного сгорания вещества (предварительный стандарт мос, 8). ash, fly — летучая зола. зола, увлекаемая газами сгорания (предварительный стандарт мос, 8). при отсутствии пыле- !22
- Pyroclastic rock material of sand-, silt- and clay-size (i.e. <
- The solid residue that remains after combustion is complete.
- Metallic deposits formed in the combustion chamber and other engine parts during high-temperature operation.
Ash, английский
Ash, английский
Asymmetric septal hypertrophy
Ash, английский
Ash, английский
Ash, английский
Ash (sulfated), английский
See sulfated ash
Ash - catcher, английский
Ash bin, английский
Ash box, английский
Ash can, английский
Ash content, английский
- Зольность (топлива)
- Percentage of non-combustible residue of a lubricating oil or fuel, as determined by astm-d-482 or d-874. ash reveals the presence of metals, including the calcium, magnesium and zinc introduced by additives. the heavy metals formerly used also appeared in ash.
Ash conveying, английский
Ash curve, английский
Ash door, английский
Ash drawers, английский
Ash dump, английский
An opening in the floor of a fireplace or firebox through which ashes are swept to an ashpit below.
Ash emission, английский
Ash error, английский
Ash flow - (not preferred, английский
See pyroclastic flow, pyroclastic surge) a highly heated mixture of volcanic gases and ash, traveling down the flank of a volcano or along the surface of the ground; produced by the explosive disintegration of viscous lava in a volcanic crater, or by the explosive emission of gas-charged ash from a fissure or group of fissures. the solid materials contained in a typical ash flow are generally unsorted and ordinarily include volcanic dust, pumice, scoria, and blocks in addition to ash. (also called a pyroclastic flow.) compare - nuee ardente, lahar, pyroclastic. gg
Pyroclastics, английский
Temperature, английский
- Température
- Dry-bulb - temperature of air as indicated by a standard thermometer.
- An expression of thermal energy density. how hot or cold an object is.
- The measure of the intensity of heat that a substance possesses.
- Температура
- Температура тмр test methods and procedures методы проведения испытаний и последовательность их проведения тмр theodolite measuring point кинотеодолитная станция
- Temperatura, fiebre
- The condition attained when the wetted wick of a wet-bulb thermometer has reached a stable and constant temperature when exposed to moving air in excess of 900 ft (274.3 m) per minute.
- 1. the heat of the body or of the surrounding air, measured in degrees the doctor asked the nurse what the patient’s temperature was. his temperature was slightly above normal. the thermometer showed a temperature of 99°f. to take a patient’s temperature to insert a thermometer in someone’s body to see what his or her body temperature is they took his temperature every four hours. when her temperature was taken this morning, it was normal. 2. illness when your body is hotter than normal he’s in bed with a temperature. her mother says she’s got a temperature, and can’t come to work. comment: the average body temperature is about 37° celsius or 98° fahrenheit. this temperature may vary during the day, and can rise if a person has taken a hot bath or had a hot drink. if the environmental temperature is high, the body has to sweat to reduce the heat gained from the air around it. if the outside temperature is low, the body shivers, because rapid movement of the muscles generates heat. a fever will cause the body temperature to rise sharply, to 40°c (103°f) or more. hypothermia exists when the body temperature falls below about 35°c (95°f).
- Повышение температуры бетона ~ of truss высота фермы jet ~ высота подъёма горизонтальной неизотермической приточной струи, «всплывающей» над приточным отверстием
- Температура ~ of adiabatic saturation температура адиабатического насыщения
- Normal adult temperature varies among horses, but will usually range in degrees from 99.5°f to 100.5°f.
- A measure of the average kinetic energy of a material. the standard unit of temperature is a kelvin, (k). temperature determines the direction of heat flow between any two systems in thermal contact. heat will always flow from the area of higher temperature (t source) to one of lower temperature (t sink). temperature gradient (?t)
- A measure of the degree of molecular motion of a material compared to a reference point. temperature is measured in degrees farenheit (melting point of ice = 32 º f, boiling point of water = 212 º f) or degrees celsius (melting point of ice = 0 º c, boiling point of water = 100 º c).
- The degree of sensible heat of a body as measured by a thermometer or similar instrument.
- Measure of the intensity of particle motion in degrees celsius (°c) or degrees fahrenheit (°f) or, in the absolute scale, kelvin (k), where the increment of 1 k = 1 °c = 1.8 °f.
- Temperature of surrounding atmosphere. also called dry bulb temperature. compare standard atmospheric conditions. ampere (a): si unit of electric current. ampere per meter (a·m–1): si derived unit of magnetic field intensity. the measurement 1 a·m–1, for example, describes a current of 1 a flowing through a coil that is 1 m in diameter. compare oersted. ampere turn (at): in magnetic particle testing, unit for expressing the magnetomotive force required for magnetization using a coil in terms of the product of the number of coil turns and the current in amperes flowing through the coil. amplitude, echo: in ultrasonic testing, the vertical height of a received signal on an a-scan, measured from base to peak for a video presentation or from peak to peak for a radio frequency presentation.
- Measure of the intensity of particle motion in degrees celsius (°c), degrees fahrenheit (°f) or, in the absolute scale, kelvin (k) or degrees rankine (°r). an increment of 1 k = 1 °c = 1.8 °r = 1.8 °f. compare heat.
Pyroclastic, английский
- Pertaining to fragmented (clastic) rock material formed by a volcanic explosion or ejection from a volcanic vent.
- An igneous rock composed of angular rock fragments that originate from a volcanic explosion.
- (adj.) pertaining to clastic rock particles produced by explosive, aerial ejection from a volcanic vent. such materials may accumulate on land or under water. compare - epiclastic, volcaniclastic, clastic. g. smith & hp
- General term for any rock composed of material ejected explosively from
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Fumarole, английский
- A vent or opening through which issue steam, hydrogen sulfide, or other gases. the craters of many dormant volcanoes contain active fumaroles.
- A vent or hole in the earth`s surface, usually in a volcanic region, from which steam, gaseous vapors, or hot gases issue.
Lava tube, английский
- A tunnel formed when the surface of a mafic lava flow cools and solidifies, while the still-molten interior flows through and drains away. these can insulate the flow and allow it to travel great distances.
- A natural, hollow tunnel beneath the surface of a solidified lava flow through which the lava flow was fed; the tunnel was left empty when the molten lava drained out. ma & gg
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