New-Product Diffusion Models
... DIFFUSION FRANK M. BASS School of Management , University of Texas at Dallas DIPAK JAIN Kellogg Graduate School of ... diffusion process for new products . We review here the various published papers that include decision variables ...
Surface Diffusion
... diffusion on W(110) with several atoms on the plane, in which they found a diffusion barrier of 1.03 eV and a diffusion prefactor of D o = 3.0 × 10−2 cm2/sec. A year later, Bassett and Parsley [243] changed their previous prefactor for ...
V. Mathematics and the age of the earth. VI. Pure diffusion of electric displacement. Appendix C: Rational units. VII. Electromagnetic waves and generalised differentiation. VIII. Generalised differentiation and divergent series. Appendices: D. On compressional electric or magnetic waves. E. Dispersion. F. On the transformation of optical wave surfaces by homogeneous strain. G. Note of the motion of a charged body at a speed equal to or greater than that of light. H.Note on electrical waves in sea water. I. Note on the attenuation of Hertzian waves along wires.-v. 3. IX. Waves from moving sources. Appendix J: Note on the size and inertia of electrons. Appendix K. Vector analysis. X. Waves in the ether
... diffusion formula . But give La finite value , no matter how small , and vis finite , and the waves are successive . By taking L small enough , they will differ as little as we please from the above waves in type , whilst being ...
Information Systems Innovation and Diffusion
... diffusion process ? Everett Rogers ' work itself provides some insight into this issue . Hybrid corn and medical products were at the core of Rogers ' diffusion theory with each of these defined as a distinct innovation whose salient ...
Text-book of ophthalmology
... diffusion- circle . That vision should be rendered indistinct by the diffusion- circles is easy to understand . Suppose that there are two points so far distant from each other and from the eye that when the latter is accurately focused ...
The Hawaiian Planters' Monthly
of diffusion and mill juices taken March 12-16 , the density of diffusion juice being calculated to that of mill . TABLE I.- TOTAL NITROGEN IN MILL AND DIFFUSION JUICES . No. 1 ... No. 2 ... No. 3 No. 4 .... No 5 .. No. 6 ... Average ...
Chemical physics
William Allen Miller. Ratio of Liquid Diffusion . Rate of Diffusion . Ratio of Times of equal Squares of times Diffusion . of Diffusion . Groups . 1. Hydrochloric Acid I 000 1'000 I ... ... 2. Potassic Hydrate 3. Potassic Nitrate 0800 ...
The Americana
... Diffusion is most commonly observed between gases , and the lighter the gas the faster does diffusion take place . It also occurs between viscous substances and , in some cases , between solids . A common experiment , exhibiting the ...
Journal of the Society of Arts
... diffusion plant . The average quantity of cane worked up per day is 96 tons . The diffusion vessels have a capacity of 170 cubic feet each , and require 33 minutes for filling . The average number of vessels filled every 24 hours is 40 ...
Journal of the American Chemical Society
... diffusion co- efficient , to which the ordinary diffusion coefficients of different substances may be reduced , provided that the molecules of the substances do not ionize or engage in other disturbing complications . The IDEAL ...
The Canadian Patent Office Record and Register of Copyrights and Trade Marks
... diffusion chamber , an expansion chamber , pipes passing through the diffusion chamber , the ends of the pipes being placed in such a relation to each other that compressed air issuing from one of them into the expansion chamber draws ...
The New International Encyclopædia
... DIFFUSION ( Lat . diffusio , a spreading out , from diffundere , to diffuse , from dis- , apart + fundere , to pour ) . The gradual dispersion of the particles of one substance among those of an- other . DIFFUSION OF LIQUIDS . If ...
Recent Advances in Physiology and Bio-chemistry
... diffusion has to occur , the difference in concentration of the diffusing dissolved substance or ion at the two surfaces bounding the layer through which diffusion is taking place , and the coefficient of diffusion for the particular ...
Biological Reviews
... diffusion of potassium chloride in 5 per cent . sucrose at 18 ° C. , using Öholm's data , a value of approximately 1.435 × 10-5 . Using Öholm's value ( 1905 ) for the temperature coefficient of diffusion of potassium chloride , this ...
Bulletin of the University of Wisconsin
... diffusion of non - condensing gases away from this surface rather than a process of heat transmission controlled by a temperature gradient . In the condensation of steam at high vapor pressures from saturated gases most of the heat ...
Proceedings of the Physical Society
... diffusion of salts through water . [ See Clack : ( 1 ) " On the Coefficient of Diffusion , " Proc . Phys . Soc . , XXI . , p . 863 , 1908 ; ( 2 ) “ On the Temperature Coefficient of Diffusion , " Proc . Phys . Soc . , XXIV . , p . 40 ...
Science Abstracts
... Diffusion . Argon and Helium , Diffusion of . R. Schmidt Concentration and Coefficient of Diffusion , Determination of the 3158 Relation between , by means of Curved Light Rays . F. Heimbrodt 2032 Diffusion Equation , Integration of ...
A Handbook of Colloid-chemistry
... diffusion velocity . In other words , D1 = k1.1100 , when D is the diffusion coefficient and k1 the proportionality constant . Simi- larly , D2 = k211200 . When the ratio of these diffusion coefficients is compared with the size of the ...
The Technology of Sugar
... diffusion juice , hence the actual dilution represents the evaporation necessary per cent . of normal juice to remove the added water . In ... diffusion work as compared INCREASED VOLUME OF JUICE , SUGAR - CANE DIFFUSION . 349.
Induced Cell-reproduction and Cancer
... diffusion in arithmetical pro- portion , therefore in twenty minutes ( two units ) the diffusion of one or more units of the dye or other substance will be doubled . The unit of heat is 5o C .; unity is 10 ° C. , because one cannot ...