ADAGE
发表于 2025-3-30 09:26:44
https://doi.org/10.1007/978-3-662-11757-6surfactants. This technique allows determination of the speed of sound in solution to a fewparts in a million. Aggregation is accompanied by a change in compressibility enabling this ultrasonic technique to determine concentrations of aggregate formation. The ability to detect the critical micelle c
Biofeedback
发表于 2025-3-30 13:24:39
https://doi.org/10.1007/978-3-662-11757-6briefly discussed. A new approach using AC conductivity measurement for detecting asphaltene self-association is proposed and demonstrated using Alberta bitumenderived asphaltene as a model system. Preliminary results showthat the ACconductivity measurement is sensitive to subtle capacitance change
vascular
发表于 2025-3-30 18:12:23
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arthroplasty
发表于 2025-3-31 00:15:02
https://doi.org/10.1007/978-3-0348-6617-0nted. The theory accurately predicts the bubble point, density, and asphaltene precipitation onset for the oil. Examples showthat the theory predicts asphaltene instability due to changes in pressure, temperature, and fluid composition. Further work demonstrates the effect of asphaltene polydispersi
restrain
发表于 2025-3-31 04:57:09
Die Entwicklungslage im Flughafenwesen, ratios. This monotonic trend leads to distinctive properties of each class, cut by solvents. Asphaltene is a class soluble in toluene but not in heptane. Importance of asphaltene lies in its relevance with petroleum operations. Many properties of petroleum liquids are due to the interplay between a
epicardium
发表于 2025-3-31 06:10:49
https://doi.org/10.1007/978-3-642-94547-2ying them or finding new uses for them. The chemical structure and physical structure of the asphaltenes are unique and much has been learned about their physics and chemistry.. However, there are still fundamental questions regarding the origin and structure of asphaltenes that remain to be answere
削减
发表于 2025-3-31 11:55:36
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使高兴
发表于 2025-3-31 15:51:24
Flughäfen Raumlage, Betrieb und Gestaltung to make light scattering measurements in “nontransparent” light-absorbing colloids possible, has been designed and tested. The modified DLS is an effective technique for real-time monitoring of petroleum colloids. Combined with accurate viscosity measurements, DLS is a powerful tool for investigati
Abrupt
发表于 2025-3-31 17:53:19
https://doi.org/10.1007/978-3-642-90970-2(or organic material) that is soluble in toluene and insoluble in normal heptane. (Sometimes, other alkane solvents are used to define this solubility class, the most common other solvent being, normal pentane.) Asphaltenes present numerous problems during production, transportation, and processing
荨麻
发表于 2025-3-31 23:32:09
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