XVI CONTENTS 



APPENDIX V 



DIFFUSION 



SKCTION PAGE 



51*. GENERAL THEORY OF DIFFUSION ...... 456 



52*. SIGNIFICATION AND VALUE OF THE INTEGRAL . . . . 458 



53*. COEFFICIENT OF DIFFUSION 459 



54*. DIFFERENTIAL EQUATIONS 459 



APPENDIX VI 



CONDUCTION OF HEAT 



55*. TRANSFERENCE OF ENERGY 461 



56*. CONDITIONS FOR THE STATIONARY STATE 463 



57*. CONDUCTIVITY 465 



INDEX ... . . 467 



