A clear reduction in this parameter occurred from the zero-pass emulgel to the one-pass sample (22.5 versus 8.7 Pa), but by increasing the number of passes, an increasing trend in the τ f value was observed (11.7, 13.2, and 13.4 Pa for two, three, and four passes, respectively). τ f and τ c allow for the flow transition index to be calculated, which is the τ f/ τ c ratio.
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Flaxseed Fiber-Structured Nanoemulgels for Salad Dressing Applications: Processing and Stability.
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The sentences
As for the span value, an indicator of particle size dispersion, a decreasing trend was observed with an increasing number of passes, remaining practically constant between two and four passes.