THE electrical resistance of a metal arises from the scattering of the electron waves passing through it. The fraction of these electron waves scattered in all directions in a unit volume, which will be called the attenuation coefficient, μ, is equal to the reciprocal of the mean free path ...
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The author discusses a new, nonempirical method of finding formulae, which define the variations of electrical resistance, specific resistance, the conduction of metals and their alloys with temperature (T). The method is based on the use of universal linear dependency (ULD). This mechanism and...
Temperature Coefficient of Electrical Resistance of Simple Liquid Metals The temperature coefficient of electrical resistance has for the first time been numerically determined for 15 simple liquid metals in view of the third-or... VT Shvets - 《High Temperature》 被引量: 0发表: 2001年 Use of th...
Based on the wave mechanical theory of the electrical resistance as developed by Nordheim the influence of pressure is discussed. This theory allows to consider separately the thermal electrical and the "rest-resistance". Special consideration is given to the two limiting cases of practically free ...
insulation resistance measurement, • insulation resistance testing to confirm the effectiveness of protection by SELV, PELV, or electrical separation, • insulation resistance testing to confirm the effectiveness of floor and wall resistance/impedance, • polarity, • effectiveness of automatic discon...
IN a note in NATURE for June 18, 1896, on "The Electrical Resistance of Alloys," Lord Rayleigh suggested that the entirely different behaviour of pure metals and of alloys with respect to the resistance which they offer to the passage through them of an electrical current, might be partly ...
Application of the four-probe method in measuring semiconductor resistivity and sheet resistance.This method is widely used in the semiconductor industry because it is non-destructive, fast, accurate, and applicable to samples of different shapes and sizes.The four-probe method uses Ohm's law to ...
The rates of corrosion of detached foils of electrodeposited nickel, copper, zinc and cadmium in sulphur dioxide and salt spray tests have been obtained by measurements of changes in the electrical resistance of the test-pieces. The method has been found to be of practical value and is very ...
ELECTRICAL-RESISTANCE STUDIES OF HYDROGEN DIFFUSION IN NIOBIUM - AN OLD PROBLEM REVISITEDExperimental/ diffusion in solidselectrical conductivity of crystalline metals and alloyshydrogenniobium/ nonArrhenius temperature dependencediffusivityresistivity relaxation method...