Effect of Viscosity Ratio of Two Immiscible Polymers on Morphology in Bicomponent Melt Spinning Fibers
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DOI: 10.1002/adv.21772
Abstract: Bicomponent fibers were melt spun to investigate the effect of individual component viscosity on the cross section morphology. Two couples were tested, polypropylene MFI 18 (PP18) with polyamide 6 (PA6) and, polypropylene MFI 25 (PP25)… read more here.
Keywords: viscosity; ratio two; shear rates; viscosity ratio ... See more keywords
Confidence intervals for rainfall dispersions using the ratio of two coefficients of variation of lognormal distributions with excess zeros
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DOI: 10.1371/journal.pone.0265875
Abstract: Rainfall fluctuation is directly affected by the Earth’s climate change. It can be described using the coefficient of variation (CV). Similarly, the ratio of CVs can be used to compare the rainfall variation between two… read more here.
Keywords: confidence; lognormal distributions; confidence intervals; ratio two ... See more keywords
Monitoring the Ratio of Two Normal Variables Based on Triple Exponentially Weighted Moving Average Control Charts with Fixed and Variable Sampling Intervals
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DOI: 10.3390/sym14061236
Abstract: In statistical process control (SPC), the ratio of two normal random variables (RZ) is a valuable statistical indicator to be taken as the charting statistic. In this work, we propose a triple exponentially weighted moving… read more here.
Keywords: two normal; control; ratio two; tewma chart ... See more keywords