Search results for "North pole"

showing 2 items of 2 documents

Chlorophenol Compounds in Snow

1988

Polychlorinated phenols, guaiacols and catechols have been studied in snow from North Pole, North, Central and South Finland. Only Central and South Finland samples contained known compounds above limit of determination 0.5 ng/1. Airborne chlorophenol pollution appeared to be very much higher in South than in Central Finland.

ChlorophenolPollutionNorth polechemistry.chemical_compoundchemistrymedia_common.quotation_subjectEnvironmental chemistryEnvironmental scienceAntarctic snowSnowmedia_common
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Magnetic Sensitive Pineal Cells in Pigeons

1982

The electrical activity of about 30% of a homing pigeon’s pineal cells can be altered by changing the horizontal or vertical component of the natural magnetic field, using two pairs of Helmholtz coils. The cells respond to a rapid and/or gradual change in the magnetic field with either excitation or inhibition. In some of the sensitive cells the responses to magnetic field changes could not be repeated.

Homing pigeonPhysicsNorth polePineal glandNuclear magnetic resonancemedicine.anatomical_structuremedicinesense organsskin and connective tissue diseasesequipment and supplieshuman activitiesExcitationMagnetic field
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