BROVANA Â® (arformoterol tartrate) Inhalation Solution is a long-acting beta 2-adrenergic agonist (LABA) indicated for the long-term, twice-daily (morning and evening) maintenance treatment of bronchoconstriction in patients with chronic obstructive pulmonary disease (COPD), including chronic bronchitis and/or emphysema.
The oil drop experiment was performed by Robert A. Millikan and Harvey Fletcher in 1909 to measure the elementary electric charge (the charge of the electron). The experiment entailed observing tiny electrically charged droplets of oil located between two parallel metal surfaces, forming the plates of a capacitor.
May 26, 1908: Mideast Oil Discovered â There Will Be Blood. An oil well hits a gusher in an early oil field. Courtesy BP View Slideshow __1908: __A British company strikes oil in Persia (now Iran). It's the first big petroleum find in the Middle East, and it sets off a wave of exploration, extraction and exploitation that will change the region's â and the world's â history.