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Visible particle
| Глоссарий по магнитным испытаниям |
Common term describing finely divided powder for use in nonfluorescent magnetic particle tests. the particles may be their natural color or may be coated to enhance contrast. testing using visible particles is performed under a controlled level of ambient lighting and typically does not need any ultraviolet light.
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Particle, английский
- A very small piece of matter
- N 1 частица, предлог; 2 суф- фикс; префикс discourse ~s слова, непосредственно указы- вающие на структуру дискурса (тж. discourse markers, cue phrases) privative ~ отрицательная частица
- Частица
- Частица. дискретный элемент какого-либо материала независимо от размера; небольшая часть твердого или жидкого вещества (мос, 13; предварительный стандарт мос, 8).
- A very small piece or part; an indivisible object.
- A minute constituent of matter with a measurable mass, such as a neutron, proton, or meson.
Particle (rt), английский
A minute constituent of matter with a measurable mass, such as an electron, neutron, proton, or meson.
Particle board, английский
- A pressed sheet material made from particles of timber or other ligno-cellulosic material bonded with synthetic resin and/or other organic binder
- Plywood substitute made of course sawdust that is mixed with resin and pressed into sheets. used for closet shelving, floor underlayment, stair treads, etc.
- Engineered wood product manufactured by bonding small wood particles with an adhesive and pressed into shhets.
Particle board case, английский
Particle concentration, английский
- Amount of powder suspended within a known sample volume of bath. typically measured using a settling test, or through evaporation and weighing.
- Centrifuge tube. percent international annealed copper standard (%iacs): traditional measurement of conductivity ? as a percentage of the conductivity of pure copper, arbitrarily rated at 100percent.4 in si, conductivity is measured in siemens per meter (s·m–1).
Particle count, английский
- The number of particles present greater than a particular micron size per unit volume of fluid often stated as particles > 10 microns per milliliter.
- The object of various test procedures employed in condition monitoring. the iso solid contaminant code rates the number of particles (per volume) larger than five microns (silting condition) and the number of particles (per volume) larger than 15 microns (presence of wear material); the two rating numbers are separated by a slash. the iso standard supersedes most other methods, but some utilize iso codes to report particles larger than two microns. pascal’s law: axiom stating that the pressure on a confined fluid is transmitted undiminished and with equal force to all equal areas of the container.
Particle counter, английский
An instrument that detects and counts particles found in a fluid such as oil.
Particle counting, английский
A microscopic technique that enables the visual counting of particles in a known quantity of fliud. the count identifies the number of particles present greater than a particular micron size per unit volume of fluid often stated as particles > 10 microns per milliliter.
Particle density, английский
An important parameter in establishing an entrained particle`s potential to impinge on control surfaces and cause erosion.
Particle diameter, английский
Particle erosion, английский
Occurs when fluid-entrained particles moving at high velocity pass through orifices or impinge on metering surfaces or sharp angle turns.
Particle filter also called dust shield, dust filter, английский
Particle filter, dust shield, dust filter, английский
Particle impingement erosion, английский
A particulate wear process where high velocity, fluid-entrained particles are directed at target surfaces.
Particle laden water, английский
Particle mean size, английский
Particle motion, английский
- Movement of particles of material during wave propagation.
- Movement of particles of material during wave propagation.7 penetration, ultrasonic: propagation of ultrasonic energy into a material.7 see also effective penetration.
Particle motion (ut), английский
Movement of particles in an article is brought about by the action of a transducer.
Particle shape, английский
Particle size, английский
Particle size analysis, английский
Ситовый анализ. раздел науки, который занимается измерением размеров и определением формы частиц; комплекс операций, посредством которых можно определить распределение частиц (проект мос, 8). см. также sieving — просеивание. л04 peroxide, acetylnitro — перекись ацетилнитрата particle size distribution (or granulometric distribution) — распределение частиц по размерам (или гранулометрическое распределение). представление в виде цифровых таблиц или графиков экспериментальных результатов, полученных с использованием метода или прибора, позволяющих измерять эквивалентный диаметр частиц в пробе или определять относительное содержание частиц, эквивалентный диаметр которых лежит в определенных пределах (проект мос, 8). см. также diameter, equivalent — эквивалентный диаметр. participate matter, suspended (or suspended particulates) — взвешенное вещество (или взвешенные частицы). все нахо-i дящиеся в воздухе твердые и жидкие частицы настолько малых размеров, что они не оседают на поверхность земли под. действием силы тяжести; определяется также как вещество, которое может быть удалено из воздуха при его пропускании через соответствующий фильтр. (если дымомер калиброван по количеству собранного таким способом вещества, он фактически дает информацию об общем количестве взвешенного вещества, только часть которого представлена дымом.) см. также aerosol; dust — аэрозоль; пыль.
Controlled, английский
- Управляемый; регулируемый
- Управляемый
- Подконтрольный (о предприятиях)
Ultraviolet, английский
- Electromagnetic radiation at wavelengths shorter than the violet end of visible light
- Ultraviolet. the electromagnetic radiation with wavelengths shorter than about 400 nm and not visible to the human eye.
- Ультрафиолетовый
- Invisible electromagnetic radiation defined between 100 and 380nm.
- The part of the electromagnetic spectrum that falls just below visible violet. ultraviolet (uv) coating – a coating that blocks out uv radiation up to 380+ nanometers.
- Electromagnetic radiation in the wavelength range of 4 to 400 nanometers.
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Wet horizontal unit, английский
Stationary equipment that provides a measured amount of electric current to a headstock and tailstock, allows bath application and may be equipped with a rigid multiple-turn magnetizing coil.
Shared flux indicator, английский
Device held in intimate contact with test object during active magnetization to show the direction of magnetic induction. examples include the berthold penetrameter, magnetic flux indicator strip and pie gage.
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