On 30 March 2001 in the late evening an auroral display was observed over the United States of America. The Bear Lake Observatory (BLO) magnetometer in Utah measured changes of 550 nT in less than 30 min. During the same period, BLO ionosonde measurements showed deep high-frequency radio wave absorption up to 7 MHz. BLO's CPS single-frequency receiver experienced geolocation errors of 20 m for over 3 hours. These storm ...
The theory of dyeing synthetic fibers by disperse dyes is interpreted in terms of the solubility parameter theory. Experiments are carried out to prove this hypothesis. (P.S.-PL) ANNOTATION: Theory of dyeing synthetic polymers.
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