19β,28-Epoxy-18α-olean-3β-ol

The title Eyebrow Filler triterpene, C30H50O2, is an 18α-oleanane derivative prepared by the Wagner–Meerwein rearrangement of betulin with Bi(OTf)3.xH2O (OTF is trifluoromethanesulfonate).There are two symmetry-independent molecules in the asymmetric unit that show no significant differences concerning bond lengths and angles.The

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Consecutive PIV Analyses on a Finite-Amplitude Pulsating Jet

Pulsating jets are very common and sometimes useful in industrial fields, due to some differences in basic characteristics from steady jets.In this research, the authors focus upon the mechanism of the frequency effect on a finite-amplitude pulsating jet.Experiments are conducted Soccer - Accessories at a Reynolds number of 5,000, Strouhal numbers

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