Alkali-aggregate Reactions. Some aggregates containing reactive silica will react with the alkalies in cement-sodium and potassium oxides-to form an alkali-silica gel which takes up water and swells. This causes abnormal expansion and map-cracking of the concrete.ome aggregates containing reactive silica will react with the alkalies in cement-sodium and potassium oxides-to form an alkali-silica gel which takes up water and swells. This causes abnormal expansion and map-cracking of the concrete.
Lomustine and prednisone are both a bit immunosuppressive. She may just have a urinary tract infection. UTI's can be brought on by stress, such as being boarded. It may take her a bit longer to get over the infection due to the Lomustine, prednisone and the lymphoma.
Prednisone is used in the management of inflammatory conditions or diseases in which the immune system plays an important role. Since prednisone is used in so many conditions, only the most common or established uses are mentioned here. Steroids, like prednisone, are used for treating bronchitis.