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Dispersant
| Oil glossary |
- In lubrication, a term usually used interchangeably with detergent. an additive, usually nonmetallic ("ashless"), which keeps fine particles of insoluble materials in a homogeneous solution. hence, particles are not permitted to settle out and accumulate.
- An admixture which is capable of maintaining finely ground materials in suspension; used as a slurry thinner or grinding aid.
- A dispersing agent, often of a surface active chemical, that promotes formation of a dispersion or maintains a state of dispersion by preventing settling or aggregation.
- An additive that keeps insoluble contaminants dispersed (colloidally suspended) in a lubricant, preventing the particles from settling and accumulating. dispersants help prevent the buildup of sludge, varnish and other deposits.
- A non-metallic engine oil additive that helps to prevent sludge, varnish, etc., by keeping particles suspended in a colloidal state. similar to and ordinarily used with detergents, dispersants are capable of keeping large quantities of particles in suspension, and they are ashless when burned.
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Дисперсант, русский
Дисперсионное (дисперсное), русский
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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).
Nonmetallic, английский
Неметаллический
Homogeneous, английский
- Гомогенный, однородный номок уел nondirectional radio beacon resumed operation ненаправленный радиомаяк возобновил работу
- A однородный
- Гомогенный; однородный
- Exhibiting a high degree of homogeneity.
- The same or similar
- The same or similar description of a group whose members are all the same or similar (for example, people from the same background and heritage). opposite of heterogeneous host-country nationals
Accumulate, английский
- Broker/analyst recommendation that could mean slightly different things depending on the broker/analyst. in general, it means to increase the number of shares of a particular security over the near term, but not to liquidate other parts of the portfolio t
- Broker/analyst recommendation that could mean slightly different things depending on the broker/analyst. in general, it means to increase the number of shares of a particular security over the near term, but not to liquidate other parts of the portfolio to buy a security that might skyrocket. a buy recommendation, but not an urgent buy.
- To amass or collect. when oil and gas migrate into porous formations, the quantity collected is called an accumulation.
Suspension, английский
- El acto de parar un proceso judicial por orden del tribunal
- Подвеска
- Приостановление
- A liquid with solid particles in it
- To relieve an officer of his duties for up to ten days as a non-judicial punishment. a longer suspension may be allowed if court-martial is pending.
- Временная отставка, временное отстранение от должности до решения вопроса об увольнении временное (не более чем на 10 дней) отстранение студента или школьника от занятий в наказание за нарушение правил внутреннего распорядка
- Means whereby vehicle body is supported on its undercarriage, comprising springs, dampers and locadng hnkages.
- The combination of tires, wheels, hubs, spindles, control arms, springs, struts, shock absorbers and related parts that support the chassis and body as the vehicle moves down the road.
- Bath.
- This is when an employee is sent home from work, usually while receiving full pay. employers are entitled to suspend
- Suspension is the practice of temporarily banning an employee from a job or from the entire workplace for breaking specific company rules.
- An employee is sent home for a period of time, usually without pay, as a disciplinary measure.
- Often relating to springs, where support is given in furniture.
Dispersion, английский
- Увеличение ширины импульса сигнала при его распространении по оптоволокну. основной фактор, ограничивающий полосу пропускания многомодового оптоволокна.
- Дисперсия.
- Эффект расширения световых импульсов во время их передачи по оптическому волокну. дисперсия пропорциональна длине кабеля (см. также хроматическая дисперсия).
- Refers to the spread of values observed for a variable. the standard deviation is a measure of dispersion, in contrast to the mean which is a measure of central tendency or location.
- The cause of bandwidth limitations in fiber. in multimode systems, modal dispersion is caused by differential optical path lengths known as differential path delay. for singlemode systems, chromatic dispersion is a combination of material dispersion (caused by the line width of the laser source) and waveguide dispersion (caused by the difference in the speed of light in the core and the cladding of the fiber). another type of dispersion is polarization mode dispersion (pmd), which is caused by random vibration, temperature variations, and bending of the fibers known as birefringence
- (1) the variation in the refractive index of a medium as a function of wavelength. (2) the property of an optical system which causes the separation of the monochromatic components of radiation.
- The dependence of the phase velocity in a medium on the optical frequency or the propagation mode
- The stretching of light pulses as they travel in an optical fiber, which increases their duration. the temporal spreading of a light signal in an optical waveguide caused by light signals traveling at different speeds through a fiber either due to modal or chromatic effects.
- This occurs when white light is split into separate wave lengths and component colors.
- Модовая дисперсия dispersion-compensating fiber волокно с компенсацией дисперсии
- Also known as "fire," dispersion refers to the separation of white light into different colors.
- Separation of white light into spectral colours, each of which vibrates at a different frequency. also called fire.
- Sometimes referred to as fire, dispersion is the break-up of white light into a spectrum of colors.
- 1. a system consisting of finely divided particles and the medium in which they are distributed. 2. separation of light into colors by diffraction or refraction. 3. a qualitative estimation of the separation and uniform distribution of fibers in the liquid during the production of a wet-formed nonwoven fabric.
- Losses`, pi потери воды при капельном орошении за счет фильтрации за пределы очага увлажнения
- The separation of light of different frequencies due to different degrees of refraction
- In acoustics, variation of wave phase with frequency.
- In acoustics, variation of wave phase with frequency.7
Aggregation, английский
- Агрегация (простое сочетание известных признаков изобретения, не дающее нового положительного эффекта)
- Объединение; соединение; собирание; агрегирование; агрегация
- Term used to denote the adding together of the taxpayer`s income from all sources in order to determine the applicable tax rate for income tax purposes.
- A process by which the properties of a collection are described in terms of the sums of the properties of the units contained in that collection. the most elementary aggregative procedure is counting and a frequency so obtained represents the properties of a set by number rather than by the list of elements it contains. aggregation gives rise to macro theories of micro processes and yields measures and insights not demonstrable by means of the units aggregated thereby. e.g., the statement "the average family has 2.5 children" describes the property of an aggregate, not of a real family. the correlation coefficient is also a measure that aggregates numerous observations neither is capable of demonstrating that relation by itself. quantum physics, economics and the social sciences are most successful in describing their objects as aggregates. aggregation is justifiable whenever units are sufficiently independent and similar, e.g., in expressing political opinions through voting or market preferences through individual purchases. aggregation leads to misleading indicators and theories whenever the whole collection exhibits an organization not expressed in a mere summation (->system, ->externalities). in econometrics, that difference is represented in so-called interaction effects.
- A collection of objects that makes a whole. an aggregation can be a concrete or conceptual set of whole-part relationships among objects.
- A collection of shared objects.
- A table or structure containing pre-calculated data for an online analytical processing (olap) cube. aggregations support the rapid and efficient querying of a multidimensional database.
- Process in corporate financial planning whereby the smaller investment proposals of each of the firm`s operational units are aggregated and effectively treated as a whole.
- A collection of individual units or particles gathered together into a mass or body.
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Disposable, английский
- A filter element intended to be discarded and replaced after one service cycle.
- Descartable, desechable, de usar y tirar
- Разового использования (салфетки, поло- тенца, бутылки и т.д.) (существенный источник загрязнения)
- Одноразового применения [употребления], не подлежащий возврату
Dirt capacity, английский
The weight of a specified artificial contaminant which must be added to the influent to produce a given differential pressure across a filter at specified conditions. used as an indication of relative service life.
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