Biography:

In the past J. Hrušková has collaborated on articles with A. Hruška. One of their most recent publications is Long time-scale magnetodynamic noise in the geomagnetic tail. Which was published in journal Planetary and Space Science.

More information about J. Hrušková research including statistics on their citations can be found on their Copernicus Academic profile page.

J. Hrušková's Articles: (2)

Long time-scale magnetodynamic noise in the geomagnetic tail

AbstractHourly ranges of the magnetic field in the Earth's magnetotail have been determined from 5.46-min field averages measured by the IMP 1 satellite. The amplitude of fluctuations parallel to the local average field B decreases with increasing distance from the neutral sheet. The amplitude of fluctuations perpendicular to B decreases with increasing distance from the Earth. Fluctuations in two directions perpendicular to B, (parallel and perpendicular to the neutral sheet), are coupled, but there is almost no evidence of a correlation between fluctuations parallel to B and fluctuations perpendicular to B. The tail field fluctuations observed in the vicinity of the Earth are well correlated with the geomagnetic activity measured by the Kp-index. It is suggested that two independent types of noise exist in the geomagnetic tail. The first type corresponds to the disturbances propagating across the tail, perpendicular to B, and the second one corresponds to disturbances propagating from the vicinity of the Earth along the tail field-lines.

Secretory antibody response to haemagglutinin of influenza virus A/Swine and A/Victoria in humans after administration of split and whole-virion vaccine

After vaccination of 31 children with the influenza split vaccine (A/Swine) no nasal secretory antibodies against haemagglutinin were demonstrated in any case.After vaccination of adults with whole virus bivaccine containing A/Swine (HswN1) and A/Port Chalmers (H3N2) viruses, the presence of secretory antibodies against haemagglutinin of the virus A/Swine was demonstrated in 8% of the younger (18–40 years) and 42% of the older (42–80 years) subjects, antibodies against haemagglutinin of the A/Victoria (H3N2) virus being demonstrated in 58% of the younger and 12% of the older persons.

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