Power transformer is a static electrical equipment, is used to a certain value of the AC voltage (current) becomes the same frequency as the other one or more different voltage values (current) device.
2013年9月28日星期六
Ammonium nitrate was modified so that it has retained the explosive fertilizer and lost
Ammonium nitrate is widely used in agricultural fertilizers, industrial explosives production. Because of ammonium nitrate with rice bran, diesel after simple mixing explosives can be obtained, so criminals often use private agricultural
electri cenergy meter nitrate explosives made and used for terrorist activities, has attracted the world's attention. However, as an efficient fertilizer ammonium nitrate is still a vast market, so how ammonium nitrate was modified so
mcb circuit breaker the explosive fertilizer and lost, becoming a national scientists placed in front of the subject. Ammonium nitrate explosive two main reasons: their thermal decomposition in a short time, a sharp release of large amounts of gas and cause an explosion;
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