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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.现在长虹影视斥资七八千万重拍《铁血丹心》，其目标就是破掉《白发魔女传》的记录，成为武侠剧第一。Pretending to be "pregnant" in June, she applied to the company for maternity leave. When the company asked her to provide a certificate, she got the pregnancy certificate in the hands of Western medicine Wang Zhigang and could also infer that her expected date of delivery was September 13 last year. 　　Why can I attend 42 meetings this year, either making speeches or playing various conference roles and walking on the way to prepare speeches?还有其中的水流更是别有用心，尹旭和绿萝之间结缘正是因为会稽山中的水流，所以此处最是合适不过。不等旁人说话，王穷首先反对。张良道：汉王，臣知道你的担心，不过此番与前次不同，之前在河北征伐。