Chemical Instrumentation: A Systematic Approach to Instrumental AnalysisAddison-Wesley Publishing Company, 1960 - 653 pagine |
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Pagina 272
... Resistance . Resistance may be incorporated at will into electrical circuits by the introduction of resistors . These may be fabricated from resistance wire , carbon , or other materials . The choice will depend upon such factors as the ...
... Resistance . Resistance may be incorporated at will into electrical circuits by the introduction of resistors . These may be fabricated from resistance wire , carbon , or other materials . The choice will depend upon such factors as the ...
Pagina 275
... resistance temperature coefficients as large as about 7 % per degree centigrade have been achieved . Since the current is accompanied by a dissipation of power and a rise in temperature , the resistance of these materials also changes ...
... resistance temperature coefficients as large as about 7 % per degree centigrade have been achieved . Since the current is accompanied by a dissipation of power and a rise in temperature , the resistance of these materials also changes ...
Pagina 416
... resistance in terms of current and resistance may be expressed as i1R1 = i2R3 and i1R2 = i2R4 . If now one equation is divided by the other , the currents cancel and the fol- lowing familiar expression is obtained : Ꭱ 1 R2 = R3 . RA ...
... resistance in terms of current and resistance may be expressed as i1R1 = i2R3 and i1R2 = i2R4 . If now one equation is divided by the other , the currents cancel and the fol- lowing familiar expression is obtained : Ꭱ 1 R2 = R3 . RA ...
Sommario
THE SCIENCE OF INSTRUMENTATION | 1 |
ERRORS OF MEASUREMENT | 14 |
CHAPTER 3 | 37 |
Copyright | |
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Chemical Instrumentation: A Systematic Approach to Instrumental Analysis Howard A. Strobel Visualizzazione estratti - 1960 |
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absorbance absorption acid activity addition allow amplifier analysis angle applied atoms band beam capacitor cathode cell charge circuit complex components concentration conductance constant curve dependence desired detector determined device direction discussed dispersion drop effect electrical electrode electrolysis energy error example field filter frequency give given glass greater grid incident increase indicator intensity interest ions known light limited lines means measurement mercury metal method mixture molecules negative Note observed obtained occurs operation optical output plate polarized positive possible potential precision present prism procedure produced radiation range reaction reduced reference reflection refractive region relative representative resistance response result sample scattering sensitivity shown signal slit solution species standard substance surface Table temperature tion titration tube usually varies voltage wave wavelength