deficiency
发表于 2025-3-26 22:37:46
Advances in Molten Slags, Fluxes, and Saltsd by increasingly severe hydrogenation to produce base oils of increased quality and performance. The API categorization of mineral base oils, either direct from the refinery or after hydrotreatment of increasing severity, is described, together with sub-categories.
exquisite
发表于 2025-3-27 01:25:54
Advances in Molten Slags, Fluxes, and Saltsh cost or performance limitations and are not considered here.Each of the main synthetic base fluids is described for their chemical and physical properties, manufacture and production, their chemistry, key properties, applications and their implications when used in the environment.
从容
发表于 2025-3-27 08:23:57
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incite
发表于 2025-3-27 10:24:32
General Overview of the Macbeth Approacholine and diesel, and also heavy-duty diesel engines are described. Emphasis is given to diesel engine cleanliness by soot and deposit control and the effect of emission controls on lubricant formulation. The lubricant requirements for motorcycle and small engines, primarily two-stroke cycle, and their specifications are described.
Ingratiate
发表于 2025-3-27 17:22:57
Base Oils from Petroleums and aromatics and their characteristics for lubricant applications are examined. Properties and applications of various base oils are defined and specified. Production of conventional mineral oils is described, including the various processes to remove wax and other deleterious substances, followe
Glower
发表于 2025-3-27 19:02:18
Synthetic Base Fluidsquid (GTL) base fluids, polybutenes, aliphatic diesters, polyolesters, polyalkylene glycols or PAGs and phosphate esters.Other synthetic lubricant base oils such as the silicones, borate esters, perfluoroethers and polyphenylene ethers are considered to have restricted applications due to either hig
Jejune
发表于 2025-3-28 00:15:26
Friction, Wear and the Role of Additives in Controlling Themry lubrication is discussed in the context of the Stribeck curve and surface film formation. Physical processes for surface film formation and their properties are examined for oxygen-, nitrogen-, sulphur-, phosphorus, boron, molybdenum-containing organic compounds and ZDDP in particular. ZDDP film
确保
发表于 2025-3-28 03:12:21
Oxidative Degradation and Stabilisation of Mineral Oil-Based Lubricantsture phases. The first has four stages – induction of radical chain reactions, propagation, branching and then termination. Mechanisms of these processes are described and discussed. Differences in hydrocarbon reactivity are related to molecular structure. For hydrocarbon oxidation >120°C, the first
Mammal
发表于 2025-3-28 09:36:12
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NATTY
发表于 2025-3-28 12:42:37
Miscellaneous Additives and Vegetable Oils emphasis upon the structural contribution of adsorbed vegetable oil-based substances on metal surfaces. Applications of friction modifiers are discussed. The importance of determining a lubricant’s pour point is described, and the action of certain structured compounds in decreasing pour point is e