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The basic knowledge of fireworks is what?

source:This station Popularity:380 issuing time:2017-01-23

Fireworks and Firecrackers


Ancient poems, "fireworks in addition to the sound of a year, spring into the warmth of the Soviet Union," the discharge of fireworks and firecrackers is a traditional custom in the Spring Festival, to express a thick "flavor", but also to the New Year added fun, fireworks Harm, you know?


According to the Ministry of Environmental Protection monitoring data show: New Year's Eve New Year's Eve to New Year's Day, a large number of domestic cities, large-scale, stage discharge of fireworks, air pollutants increased rapidly, a direct result of air quality. Especially in the New Year's Eve 19:00 to 22:00, the first lunar January 0 to 2:00, the results of monitoring in many cities have shown that the air quality is poor, and this period is the concentration of firecrackers discharge time.


Last year, the city of Xi'an everywhere, doors and windows are unstoppable fireworks pollution, so that the people of Xi'an has a deep memory. Fortunately, the weather was still good, a large number of fireworks released by the wind quickly scraped away pollutants. However, if the same fireworks pollution occurred in a serious haze days, I am afraid not so lucky.


Fireworks and Firecrackers


1, the discharge of air pollution caused by fireworks. Discharge of fireworks and firecrackers to produce the smoke for the "flavor." Discharge of fireworks will produce sulfur dioxide, nitric oxide, nitrogen dioxide and other gases, these toxic and harmful gases is invisible "killer." When the smoke is diffuse, these gases on our various parts of the human body has a certain role in the damage, the eye also has a stimulating effect.


2, noise pollution. New Year 's Eve night, the explosion of fireworks and firecrackers produced a continuous, Ruleiguaner, noisy people often difficult to sleep on the 30th night. The noise in the firecracker area is as high as 135 decibels, far exceeding the human hearing range and tolerance limits. At night people can not accept the noise of more than 45 decibels, which is equivalent to frog song. While the high-intensity noise on suffering from cerebrovascular, heart disease and other diseases, the harm is very serious. China almost every year due to firecrackers, causing hearing damage, explosive deafness, hearing the case of slow.


3, is the lack of social morality performance. One hundred people listen to a shot, a shooting uneasy neighbors, for children and the elderly is very detrimental to the body. People only want to develop their own regardless of the bad habits of others, which is a weak sense of ethics.


4, waste of resources pollute the environment. The valuable resources of the paper (trees), chemical raw materials (including the production of these raw materials caused by pollution) are discharged, so that the streets of the wolf trace, put away people, people develop non-sense of habit.


In addition, the discharge of fireworks and fire hazards are the discharge of fireworks detritus, sanitation workers to add a serious burden.


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