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[en] In current article were reported results of chemical and radiochemical measurements from formation waters separated from oil pumped from approximately 700 m below ground near Baku, Azerbaijan. The results also include data from a formation water storage pond (''radium lake'') where the waters are temporarily stored after oil is separated and then eventually disposed of by pumping into the Caspian Sea. It was obtained that, there is a relatively strong inverse relationship to bicarbonate and sulfate, the bicarbonate dependency appears stronger. The radium-bicarbonate relationship, however, suggests that carbonate precipitation in formation waters is significant and may be an important control on the radium concentration.
[en] The rate of exhalation of radon by persons with long-standing radium burdens increases about twofold shortly after a meal. The increase is shortlived and normal values are regained in 1.5 to 2 hours. The effect may account in part for the poor reproducibility in estimates of the freely emanating part of the radium content
[en] Brachytherapy techniques used in the treatment of cancer are presented. Radium applicators were used in different lesions with high percentage of cure and excellent cosmetic results. (M.A.C.)
[pt]Apresentam-se tecnicas de braquiterapia, utilizadas no tratamento do cancer. Utilizam-se aplicadores de radium no tratamento de diferentes lesoes com alto indice de cura e excelentes resultados cosmeticos. (M.A.C.)