SUMMARYA larkov chain probability model is found to fit Tel Aviv data of daily rainfall occurrence. This accounts for the orm of the distributions of dry and of wet spells and of weather ' cycles ' which have been presented in earl r papers. Further aspects of rainfall occurrence patterns may be derived as well, and are found to fit the data. In particular, the distribution of the number of rainy days per week, month or other period is obtained. Numbers of rainy days in different months are apparently independent.

Phase diagram and thermodynamic data for twenty ternary copper-silver-X alloy systems—where X represents Al,Au,Cd,Fe,Ge,In,Mg,Mn,Ni,P,Pb,Pd,Re,S,Sb,Se,Sn,Te,Ti or Zn—were compiled and critically evaluated. Of the twenty ternary systems, thermodynamic data are available for only the seven systems containing Au,Pb,Pd,S,Sn,Te and Zn. The high-temperature phase relationships in the iron-rich region of the Cu-Fe binary system were also evaluated and a recommended phase diagram is presented.

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