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Polyalphaolefin (pao)
| Глоссарий терминов смазочных материалов |
A category of base stocks often used in air compressor lubricants, engine oils, transmission fluids and gear lubricants. they offer excellent oxidative resistance for a very long fluid life, very high viscosity indexes for enhanced lubrication at hot and cold temperatures, excellent seal compatibility and excellent water separation. they are not compatible with glycols and other specialty chemicals. they have limited additive solubility.
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Polyalphaolefins (paos), английский
A class of synthetic lubricant bases formed by polymerization of an olefin monomer, such as ethylene or propylene, whose properties after polymerization include good oxidation stability at high temperatures, good hydrolytic stability, compatibility with mineral oils and low volatility. they have found service in turbines, gears, compressors and automotive engines.
Compressor, английский
- Compresseur;surpresseur
- A mechanical device that pressurizes a gas in order to turn it into a liquid, thereby allowing heat to be removed or added. a compressor is the main component of conventional heat pumps and air conditioners. in an air conditioning system, the compressor n
- Part of a split-system heat pump or air conditioner’s outdoor unit that controls the pressure applied to the refrigerant so that it can circulate. it plays a vital role in taking in heat to warm your home with a heat pump or getting rid of heat to keep yo
- In an air conditioner this is known as
- The compressor plays an integral role in cooling your home. it is the device responsible for pumping refrigerant through the refrigerant lines and the coil, making the transfer of heat from inside your house to the outdoors possible. rheem uses high-quali
- A device which converts mechanical force and motion into pneumatic fluid power.
- Компрессор
- A machine for compressing air or other gases which is a basic component in some refrigeration systems; draws vaporized refrigerant from the evaporator at a relatively low pressure, compresses it, and then discharges it to a condenser. compressor-type liquid chiller equipment utilizing a compressor, condensor, evaporator, controls, and accessories to cool water or other secondary liquid. compression coupling compression faucet
- A mechanism generally adopted afloat for facilitating the working of the large guns recently introduced; the gun-carriage is thus compressed to its slide or platform during the recoil, and set free again by the turn of a handle for running up. it is of various forms; one of the simpler kind used to be always applied to carronade slides.
- Система сжатия данных; компрессор
- A signal processor that reduces dynamic range by using automatic volume control. also, an amplifier whose gain decreases as the input signal level increases above a pre-set point.
- An air pump, usually electrically driven, which supplies air under pressure (generally between 90 and 140 psi) for use on trains. brakes, doors and other items of equipment like suspension and whistles commonly require compressed air. compressors may be driven directly off a diesel engine or from an electrical supply on the locomotive or train. see the brakes page for more details.
- An engine that is used to increase natural gas pressure so that it can more easily flow through the pipeline.
Transmission, английский
- Passage of electromagnetic radiation through a medium.
- Transmisión
- The property in a merchantman, or a share therein, transmitted in
- Передача; привод; коробка передач; трансмиссия; прохождение; распространение ~ of loads передача нагрузок
- The transport of high voltage electricity. this is achieved with a transmission network (or grid). generally the network will connect large generators to lower voltage distribution networks where it will be transported to the majority of electricity consumers. alternatively, large scale electricity users may connect directly to the transmission network. management of transmission is a natural monopoly due to the economies of scale inherent to it. transmission system operator (tso) (also transmission network operator-
- The sending of information over a communications line or a circuit.
- The transportation of electric energy in bulk from a source or sources of supply to other systems or parts of a single system.
- Transfer of pathogens from one host to another
Resistance, английский
- Property of a conductor that opposed the current flow produced by a given difference of potential. the ohm is the practical unit of resistance.
- Уровень сопротивления - уровень цен, при котором активные продажи могут приостановить или развернуть тенденцию к повышению;
- Сопротивление (параметр)
- Сопротивление
- Сопротивление, т. е. уровень цен, при котором активные продажи могут приостановить или развернуть тенденцию к повышению.
- 1. the ability of a person not to get a disease 2. the ability of bacteria or a virus to remain unaffected by a drug the bacteria have developed a resistance to certain antibiotics. 3. opposition to a force
- Resistencia
- Устойчивость; резистентность resource for child health (reach)
- Устойчивость; резистентность
- The property of opposing movement, for example [1] electrical conductors offer resistance to the flow of electricity and dissipate some of its energy, usually as heat. [2] water resists the movement of vessels or other objects by parasitic drag, consuming some of the power available to drive the vessel forward.
- Imperviousness of the coating to mechanical, chemical, physical or weather influences
- Capacity of a member or component, or a cross-section of a member or component of a structure, to withstand actions without mechanical failure e.g. bending resistance, buckling resistance, tension resistance
- A material’s ability to restrict the flow of electrical current through itself. measured in ohms.
- The opposition of a circuit to the flow of current . resistance is measured in ohms, and can be calculated by dividing the voltage by current.
- The ability to impede (resist) the flow of electric current. with the exception of superconductors, all substances have a greater or lesser degree of resistance. substances with very low resistance, such as metals, conduct electricity well and are called conductors. substances with very high resistance, such as glass and rubber, conduct electricity poorly and are called nonconductors or insulators.
- An effective upper bound on prices achieved because of many willing sellers at that price level.
- Capacity of a component, or cross section of a component of a structure to
- The opposition to the flow of an electrical current through a conductor or circuit that does not include inductive or capacitive elements. it can be expressed as the ratio of the applied voltage to the current.
- Resistance is the opposition to the flow of an electrical current through a conductor. its unit is the ohm.
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).
Temperatures, английский
Бетон, выдержанный [отвердевший] в условиях повышенных температур; ~ in mass массивный бетон, бетон, уложенный в большой массив; ~ in the structure бетон в теле конструкции [сооружения] (в отличие от бетона в контрольных образцах); ~ placed in lifts бетон, укладываемый слоями [послойно]; ~ placed
Compatibility, английский
- 1. the ability of two drugs not to interfere with each other when administered together 2. the ability of a body to accept organs, tissue or blood from another person and not to reject them
- Совместимость
- Совместимость; соответствие
- Совместность; совместимость
- In reference to software, harmony on a task-oriented level among computers and computer programs.
- The degree to which a computer, an attached device, a data file, or a program can work with or understand the same commands, formats, or language as another. true compatibility means that any operational differences are invisible to people and programs alike.
- The extent to which a web site or web page displays as the designer expects from one browser to the next.
- Interoperability of related systems, often achieved through the adaptation of technical standards.
Separation, английский
- Разделение, отделение; эшелонирование; интервал эшелонирования
- Отделение, разделение; эшелонирование; интервал эшелонирования
- The development of layers of paint of different composition in a can during storage when the materials are not completely soluble, miscible, or stable.
- The act of separating or dividing two or more people or things, or the state of being separated
- Супругов, судебное разлучение
Compatible, английский
- Describes different hardware devices that can use the same software or programs without modification, or with appropriate software.
- Совместимый
- Совместный; совместимый; смешиваемый (напр, о красках)
- Compatible pieces of equipment can work together; incompatible ones can’t.
Solubility, английский
Растворимость
Temperatur, немецкий
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Alkylbenzene (ab), английский
A category of base stocks often used in refrigeration compressors. alkylbenzene base stocks are wax-free, offer good solubility with additives and have good miscibility with certain refrigerants in the hvac/r industry. they also have very low viscosity indexes and a tendency to swell and soften seals.
Дисульфид молибдена (mos2), русский
Твердая смазка.
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