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The separation of sheets of mica. Mica mixed with shellac and made solid - then pressed into sheets. Uses include: insulation of electrodes of radio valves for use in field and in air and sea.
Shows detailed procedure for preparation of calomel, hydrogen and quinhydrone electrodes. Shows measurement of e.m.f. of cells comprising combinations of these electrodes using a digital voltmeter.
Materials and techniques used in construction of surface and depth electrodes and surgery for permanent implantation. Demonstrated responses include: extension of contralateral arm and contralateral rotation...
Illustrates a simple ECG vector model and explores its characteristics with reference to the P wave of the ECG. Repolarisation vectors are illustrated and uni- and bi- polar electrodes compared. The aim of...
A brief account of Professor J Z Young’s discovery of the giant nerve fibres of the squid in the 1930s and emphasises the importance of these structures to the animals themselves. Shows some of the many...
After revising the definition of pH, the theory of electrode potential is illustrated with reference to a pH meter. The Ag/AgC1 and Calomel electrodes are explained and their applicability to blood pH...
COI synopsis: When a doctor asks "How do you feel", can he be sure that your answers give a true impression? A Scottish university has developed a machine which, for 24 hours, monitors a patient’s every...
Electrodes are implanted in rat lateral and medial hypothalamus, and the effect on feeding habits of a stimulus is observed.
COI synopsis: The human brain - evolved over millions of years - is the most complex and powerful creation that we know of. Today, we look at new ways in which we’re approaching greater understanding of...
Electrode reactions, electrochemical cells, IUPAC convention, standard hydrogen electrode, cell notation, cell reactions, standard free energy changes.
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Related searches have been automatically generated using the OpenCalais semantic analysis service.