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Asperities
| Oil glossary |
- Microscopic projections on metal surfaces resulting from normal surface-finishing processes. interference between opposing asperities in sliding or rolling applications is a source of friction, and can lead to metal welding and scoring. ideally, the lubricating film between two moving surfaces should be thicker than the combined height of the opposing asperities.
- Microscopic projections on metal surfaces, invisible to the naked eye, that creates peaks and valleys, even after grinding or machining. when two surfaces are in sliding contact, these imperfections cause interference that results in friction; without proper lubrication, wear, scoring or welding will follow.
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Asperezas, испанский
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Microscopic, английский
- Observable only with the aid of a microscope.
- Objects or organisms that are too small to be seen with the naked eye.
Interference, английский
- Effect caused by the introduction of unwanted electrical signals into an electrical circuit. in cctv this results in "noise" in the signal or picture, which disrupts the picture.
- Extraneous energy which tends to interfere with the reception of the desired signals.
- Disturbances of an electrical or electromagnetic nature that introduce undesirable
- “artifactual increase or decrease in apparent concentration or intensity of an analyte due to the presence of a substance that reacts nonspecifically with either the detecting reagent or the signal itself.” [clsi]
- Signal
- Столкновение прав (заявляемых или патентных); приоритетный спор
- A scrambling of the content of signals by the reception of desired signals.
- Disturbances of an electrical or electromagnetic nature that introduce undesirable responses in other electronic equipment.
- A range of phenomena associated with the superposition of waves
- For light, the way that waves add together, depending on their phase. constructive interference occurs when the waves are in phase and their amplitudes add. destructive interference occurs when the waves are 180 degree out of phase and their amplitudes cancel.
- N интерференция interfix n интерфикс
- The static and other noises sometimes heard over the phone line.
- Столкновение одновременно заявляемых прав на патент
- Distortion of a light wave due to interaction with another wave
- A proceeding, conducted before the patent trial and appeal board, to determine priority of invention between a pending application and one or more pending applications and/or one or more unexpired patents under pre-aia u.s. patent law.
- A proceeding conducted before the board of patent appeals and interferences to determine the priority of invention between a pending application and one or more pending applications and one or more unexpired patents.
- The negative effect of a learners first language(s) on the learning of a target language.
- Помехи, наводки
Lubricating, английский
Lubrication, английский
- The control of friction and wear by the introduction of a friction-reducing film between moving surfaces in contact. the lubricant used can be a fluid, solid, or plastic substance.
- Смазка
- On no account should oil be used to lubricate pin-tumbler cylinders. graphite is the conventional lubricant for this mechanism.
- Смазка (действие)
- The act of injecting a fluid, normally bentonite and/or polymers, to reduce the skin friction and jacking forces on the jacking pipe during installation. the fluid fills the annular space.
- Means of reducing friction either around a pipe being jacked or a shaft being sunk into the ground.
- The control of friction and wear between two moving, touching surfaces by placing a friction-reducing substance between them.
- Control of friction and wear by the introduction of a friction reducing film between moving surfaces in contact. the film may be fluid, solid or plastic.
- Reduction of friction or wear between two load-bearing surfaces by the application of a lubricant; includes boundary lubrication (thin or interrupted fluid film, especially bearings where wear occurs); mixed film, where some liquid pools support the load; elastohydrodynamic (high-pressure loads increase the lubricant’s viscosity and load-carrying capacity, especially in gears); hydrodynamic (a thick fluid film lubrication, especially in journal bearings) and hydrostatic (external pump pressure used to form a thick fluid film, as in start-up of journal bearings).
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Astm d2670 pin and v-block test, английский
Astm test method d2670 is for measuring the antiwear properties of liquid lubricants. the load is applied to the jaws and maintained by a toothed wheel. the wear is a function of the number of the tooth which needs to be engaged to keep the load constant for a fixed time.
Aqueous decontamination, английский
Removal of a chemical or biological hazard with a water-base solution
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