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Principle: Traditional tobacco is smoked by ignition. The temperature of tobacco when burning reaches 800 degrees. Nicotine, carbon monoxide, tar, etc. will be produced in the process of tobacco burning. At the same time, tobacco itself also has fragrance released. Smokers are mainly satisfied by smoking nicotine and tobacco fragrance. There are more than 2,000 kinds of harmful ingredients produced by smoking, The main components that cause harm to human health come from tar produced in the combustion process, However, the working temperature of the heating non-burning electronic cigarette is about 300. Not more than 300 degrees, Tar is mainly produced at over 400 degrees, In other words, Heating does not burn electronic cigarettes. Due to the relationship between temperature, A small amount of tar is produced, which can be ignored. Moreover, the temperature at which heating does not burn is only about 300 degrees, so there is no combustion, no open flame and no soot. However, the aroma and smell of tobacco are still released, and smokers can also obtain nicotine, so that smokers can also obtain the feeling of smoking real cigarettes.Multidisciplinary comprehensive treatment has become the mode and development direction of clinical treatment. Comprehensive treatment of diseases requires the participation of multiple disciplines and the unity and cooperation of multiple disciplines. Multi-disciplinary team MDT usually refers to a clinical treatment mode in which relatively fixed experts from more than two related disciplines form a working group to put forward diagnosis and treatment opinions for a certain organ or system disease through regular and targeted meetings, which is the organizational guarantee for the planned and reasonable application of existing treatment methods to treat diseases. The original MDT was mostly established in the process of formulating treatment strategies for tumor patients. MDT of a tumor usually includes tumor surgeons, tumor physicians, radiotherapists, pathologists, medical imaging diagnostics, tumor basic researchers, nurses and social workers. At present, MDT model is not only widely used in the field of tumor, but also has been deeply used in the treatment of benign diseases, such as neurology, dermatology, nephrology and other disciplines, even involving care treatment, women and children health care and other fields.Don和Lisa被迫结婚。渐渐地，他们开始互相倾心，尽管他们争吵不休，性格对立。In fact, it can be seen here that one online event pool is 10, and when the available objects are greater than 10, they will not be added to it.No.78 Chelsea Island害得我说了不吉利的话。/rude