## Abstract The p__K__ values for nine acyclic, monoβ and bicyclic Ξ±β, Ξ²β and Ξ³β(trimethyl)ammonio acids, **1(Ξ±βΞ³), 2(Ξ±βΞ³)** and **3(Ξ±βΞ³)**, respectively, have been measured in 50% aqueous ethanol. The comparison of these values with those for the nine homomorphous Ξ±β, Ξ²β and Ξ³βacids, **4(Ξ±βΞ³), 5(Ξ±
The simulation of backscattering, part II: The classical isotope effect
β Scribed by D.K. Hutchence; S. Hontzeas
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 455 KB
- Volume
- 116
- Category
- Article
- ISSN
- 0029-554X
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## Abstract The dry grinding of pectins from various sources in a ball mill caused depolymerisation of the pectin molecules as evidenced by the fall in the value of viscosity of aqueous solutions of the pectin and of acetone solutions of the nitroβester. The depolymerisation was accompanied by loss
This paper is the second of three parts which describe the analysis and simulation of the grinding process. Generation of the workpiece surface depends on the interactions between the grains of the wheel and the workpiece. The grinding wheel surface generated by dressing was simulated by the method