Observers from Earth can see two types of eclipses â eclipses of the Sun (solar eclipses), and eclipses of the Moon (lunar eclipses). These occur when the Sun, Earth and Moon align in a straight or almost straight configuration.
The Tehran Research Reactor (TRR) is a 5 megawatt-thermal (MWth) pool-type light water research reactor. The United States supplied the TRR to Iran in 1967 and weapon-grade uranium fuel for the reactor.The International Atomic Energy Agency (IAEA) inspects this reactor.ithout notifying the IAEA Iran irradiated uranium oxide (UO2) targets in the TRR and separated plutonium in glove boxes at Tehran Nuclear Research Center (TNRC) laboratories. Iran also admitted to producing small amounts of polonium-210 in the TRR in the early 1990s through the irradiation of bismuth targets.
TMR is a new procedure used to treat inoperable heart disease in people with persistent angina that isn't relieved by any other method. Most people with coronary artery disease are treated with angioplasty and stenting or, coronary bypass surgery and medications to improve blood flow to the heart muscle.MR is a surgical procedure. It is performed through a small incision in either the left side or the middle of the chest. Frequently, it is performed along with coronary bypass surgery, occasionally alone. Once the incision is made, the surgeon exposes the heart muscle.