不成比例 发表于 2025-3-30 08:40:06

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阻碍 发表于 2025-3-30 12:40:32

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非实体 发表于 2025-3-30 19:30:51

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即席 发表于 2025-3-30 23:38:47

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Precursor 发表于 2025-3-31 01:46:24

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rheumatology 发表于 2025-3-31 05:28:10

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最后一个 发表于 2025-3-31 12:05:53

Some Observations on the Flow Characteristics of Certain Dilute Macromolecular Solutionsged jets, flow around spheres, and wall-attachment experiments..The primary effect of the additives in turbulent boundary layer flow is to cause a thickening of the viscous sublayer adjacent to a wall, the structure of the remaining portion of the boundary layer being little changed. Certain polymer

脆弱么 发表于 2025-3-31 16:40:47

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昏迷状态 发表于 2025-3-31 20:16:58

Drag Reduction in External Flows of Additive Solutionsstudies concerning diffusion and entrainment of jets with additive solutions flowing into a turbulent stream of pure Water have been conducted. The experiments include tests with additive solutions of various concentrations and different channel velocities. The drag reduction obtained in these exper

紧张过度 发表于 2025-3-31 23:46:51

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查看完整版本: Titlebook: Viscous Drag Reduction; Proceedings of the S C. Sinclair Wells Conference proceedings 1969 Springer Science+Business Media New York 1969 re