dehkhani, referring to the actions of this deputy in issuing licenses for knowledge-based companies, said that currently, 67% of the 17 knowledge-based companies are start-ups, 23.5% are innovative, and 8.7% are technology-based. also , most scientific companies are active in the field of electricity and electronics, photonics, telecommunications and automatic systems, so that 2338 companies are active in this field. ghazal badge on the chest of scholars iranians in the first event of the national program for the development and support of science-based gazelles, 12 science-based companies with annual sales of more than 200 billion tomans as knowledge gazelles. the basics were introduced, the localization of the ecg monitoring device along with everything that can be analyzed from the ecg signal , it was measured and diagnosed, and this device does it . put it on the patient's stomach, the cables will guide you how to connect it. the accompanying ecg monitoring device was one of the products that last year, it was developed by domestic experts and it was able to be one of the scienti