克服焦虑（Overcome anxiety）.doc

克服焦虑（Overcome anxiety） Knowledge and prevention of explosive materials Ministry of interior, police department, Criminal Police Bureau, investigation team five What is explosive, explosive and explosion effects? I. explosives The explosives, explosives, drugs, means of cotton or other similar fulminate burst and the main raw material for. Two. Explosives (a) a so-called explosive substance, which means a mixture of the above explosive substances, which can cause the person to be killed or damaged in an instant because of rapid expansion and explosion. (two) the so-called explosive in Criminal Law means that the explosive substance is explosive and destructive, and can be used to kill or destroy human beings in an instant. Three, explosion effect When a burst explodes, it usually causes four hazards, such as overpressure, fragmentation, acceleration and deceleration of the human body, and heat, and one of them is fatal enough. This is as follows: (1) explosion effect overpressure; 1, the average person can withstand the pressure of the eardrum 1~10atm (Note: one to ten atmospheric pressure, 1atm=760mmHg). 2, when the pressure is beyond this range, it will cause the eardrum through trauma and systemic mutilation and other injuries, with the different density of its organs, and cause different injuries, such as pneumothorax and so on. 3, according to the data, 197, 0 to 1984, Northern Ireland due to explosion, death or injury of soldiers, excessive pressure is an important factor in their casualties. 4, in Northern Ireland, more than fifty percent of the casualties caused by the explosion have been subjected to overpressure in all parts of the body injury. (two) explosion effect fragmentation; 1, the explosion of the container after the explosion, it will produce a bullet like debris and cause serious harm to the human body. 2, in Northern Ireland, survivors of the explosion suffered such injuries. (three) explosion effect the acceleration and deceleration of the human