噪音污染方面的外文文献原文及译文.docVIP

Noise pollution With the rapid economic development, urban environmental noise pollution is getting worse. The noise pollution and air pollution, water pollution and solid waste pollution has called the four urban environment pollutions .The noise pollution in cities almost everywhere, and extended to village day by day. Therefore, the noise problem has drawn increasing attention, thus the control of noise pollution is a key part of the monitoring of noise sources. Foreign environmental noise monitoring is accompanied by the deterioration of environmental quality process started, because the degree of industrialization and urbanization abroad earlier than China, environmental problems are also back in our country, to carry out environmental noise monitoring will naturally earlier. Since 1979, Chinas environmental noise monitoring into regular projects, more than 40 cities nationwide road traffic noise or environmental noise surveys. Noise pollution is come from the human, animal or machine-created sound that disrupts the activity or balance of human or animal life. The word noise comes from the Latin word nausea meaning seasickness. The source of most outdoor noise worldwide is transportation systems, including motor vehicle noise, aircraft noise and rail noise. Poor urban planning may give rise to noise pollution, since side-by-side industrial and residential buildings can result in noise pollution in the residential area. Indoor and outdoor noise pollution sources include car alarms, emergency service sirens, mechanical equipment, fireworks, compressed air horns, groundskeeping equipment, barking dogs, appliances, lighting hum, audio entertainment systems, electric megaphones, and loud people. Noise health effects are both health and behavioral in nature. The unwanted sound is called noise. This unwanted sound can damage physiological and psychological health. Noise pollution can cause annoyance and aggression, hypertension, high stress levels, tinnitus, hearing l