Lin, J-R., et al., "An Upgrading Process through Cavitation and Surfactant," Energy & Fuels, 7, 111-118 (1993) Jun. 1992. |
Petrier, C., et al., "Ultrasonically Improved Reductive Properties of an Aqueous Zn-NiCL.sub.2 System-1 Selective Reduction of .alpha.,.beta.-Unsaturated Carbonyl Compuunds," Tetrahedron Letters, vol. 38, No. 21, 2347-2350 (1987). Month not available. |
Boudjouk, P., et al., "Palladium-Catalyzed and Sonically Accelerated Hydrogenations of Olefins Using Formic Acid as a Hydrogen Transfer Agent," Journal of Catalysis, vol. 79, No. 2, 489-492 (1983) Month not available. |
Wiener, H.B., et al., "An Effect of Sound of Heterogeneous Catalysis," J. Appl. Chem., 8, 336-341 (1958) May 1958. |