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Antiwear additives
| Oil glossary |
Improve the service life of tribological elements operating in the boundary lubrication regime. antiwear compounds (for example, zddp and tcp) start decomposing at 90 degrees to 100 degrees c and even at a lower temperature if water (25 to 50 ppm) is present.
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Additive, английский
- Присадка; добавка
- A chemical substance added to a petroleum product to impart or improve certain properties. common petroleum product additives are: antifoam agent, anti-wear additive, corrosion inhibitor, demulsifier, detergent, dispersant, emulsifier, ep additive, oiliness agent, oxidation inhibitor, pour point depressant, rust inhibitor, tackiness agent, viscosity index (vi.) improver.
- A material, used in very small quantity, to modify a specific property of another material or otherwise improve its characteristics; used in paints, plasters, mortars, etc.
- N аддитивный, напра- вительный case, juxtaposition 9 в настоящее время этим термином обозначаются не только слова, образованные по первым звукам заменяемого словосочетания, но также слова, образованные из букв и цифр, заменяющих в смс- сообщениях и электронной почте более длинные слова или целые словосочетания: например, l8r = later, cu = see you 10 акроним, образованный от словосочетания, в котором первое слово само является акронимом: php = php: hypertext preprocessor. 11 отражает эффект, произведенный в результате иллокутивного воз- действия. 12 возбуждение определённых участков мозга в актах мыслительной и речевой деятельности под влиянием тех или иных поступающих сиг- налов или стимулов, приведение в готовность для дальнейшего ис- пользования ментальных репрезентаций концептуальной системы; выделение в осознаваемую часть текущего сознания образов, опреде- лённых структур знания и/или репрезентаций. 13 процесс установления когнитивной значимости языкового выраже- ния, его информативности. 14 фонологическая модификация заимствованного слова в языке- реципиенте. addressee 17 agglutination
- Добавка (вводимая в процессе изготовления материала, напр, цемента) (см. тж admixture,)
- Additive in powder coating to adjust or improve the properties
- Добавка, присадка. в нефтяной промышленности — соответствующее вещество, которое, будучи добавлено к нефтепродуктам, придает им особые свойства или улучшает естественные качества (мос, 4). как правило, это вещество, добавляемое к любому материалу или продукту с целью усиления или изменения его естественного качества или для придания новых свойств.
- A supplementary material combined with a base material to provide special properties. for example, pigments are used as dope additives to give color in mass dyeing.
- A chemical added in small quantities to a base fluid in order to improve specific properties of the lubricant such as fluid life, lubricity, wear protection, rust protection, etc.
- Any material that is incorporated into a product at relatively low concentration to impart new properties or enhance existing properties.
- A chemical compound or compounds added to a lubricant or hydraulic fluid to impart new properties or enhance inherent properties.
Additive alternate, английский
An alternate bid resulting in an addition to the same bidder’s base bid. also
Additive bilingualism, английский
Additive color system, английский
- Система с аддитивным синтезом цвета
- The color system that uses light rather than pigment to create color. it is the system of digital media and computer screens. the additive primary colors are red, green, and blue and are often referred to by their initials rgb. it is called the additive color model because red, green and blue light are added together in various combinations to reproduce a broad array of colors.
Additive colors, английский
- Аддитивные первичные цвета.
- Аддитивные первичные цвета; аддитивные цвета; цвета rgb
Additive colour, английский
Additive constant, английский
Additive effect, английский
A biologic response to exposure to multiple substances that equals the sum of responses of all the individual substances added together [compare with antagonistic effect and synergistic effect].
Additive electromotive force, английский
Additive fact, английский
Additive function, английский
Аддитивная функция
Additive identity, английский
0 нулевой элемент аддитивного закона композиции
Additive increase rate, английский
Аддитивный рост скорости
Additive inverse, английский
Additive level, английский
The total percentage of all additives in an oil. (expressed in % of mass (weight) or % of volume)
Additive licensing, английский
Аддитивное лицензирование
Additive magnetic flux probe, английский
Additive manufacturing, английский
A computer-controlled process in which successive layers of material are deposited to create a part that matches a 3d design.
Additive mask mode, английский
Режим "дополнение выделения"
Additive measure, английский
Additive model, английский
Аддитивная модель
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).
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.
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Api engine service categories, английский
Gasoline and diesel engine oil quality levels established jointly by api, sae, and astm, and sometimes called sae or api/sae categories; formerly called api engine service classifications.
Antistatic additive, английский
An additive that increases the conductivity of a hydrocarbon fuel to hasten the dissipation of electrostatic charges during high-speed dispensing, thereby reducing the fire/explosion hazard.
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