Different Forms of Theophylline. There are many different theophylline products available, and most are not equivalent to each other. There are short-acting and long-acting tablets and capsules, as well as a theophylline elixir. An injectable form of the medication is also available.Along with many different generic theophylline products, the following brand-name theophylline medications are also available:ifferent Forms of Theophylline. There are many different theophylline products available, and most are not equivalent to each other. There are short-acting and long-acting tablets and capsules, as well as a theophylline elixir. An injectable form of the medication is also available.
Unlike other ring systems that were given proper names, Greek letters were primarily used to name the rings of Uranus, particularly the main rings. 1  Îµ ring (epsilon) â Is the brightest and the densest of the 13 rings of Uranus.
Yes, Uranus has 9 brighter rings as well as several fainter rings. Some of the larger rings are surrounded by belts of fine dust. The outermost ring is made up of ice boulders several feet across. The other rings are made up mainly of icy chunks darkened by rocks. The rings are thin, narrow, and dark compared to the rings of other planets. They are actually so dark that they reflect about as much light as charcoal. The rings may have been formed by the break up of a small moon.