specialists of shahid beshti university, for the first time in the country, succeeded in implanting electrodes in the brain to treat treatment-resistant epilepsy . this surgery called dbs was performed for a 17-year-old girl. in this method, treatment is performed through deep brain stimulation, and the patient's state of unconsciousness during surgery is intermediate. according to researchers. in this method , very small electrodes are placed in the patient's brain the device should be turned off for a few weeks so that the brain and the device find the necessary preparation. next, the surgical site will be repaired and after four weeks, the device will be turned on with special settings. production of more than 510 tons of polymers required by the industry with the efforts of domestic technicians and specialists. products that in addition to cut. dependence on imports , they are also exported to the countries of the region and the world, and they are of great value to the country. meshel oil is something very close to gas oil. the ingredients in it are stone oil, gas oil , waxy gas, a small