نتایج جستجو برای: sound pollution
تعداد نتایج: 173210 فیلتر نتایج به سال:
Background: This study states that, the environment became polluted even after consistent efforts byvarious governments and organizations. Pollution due to various factors was out of control all over worldand it badly affecting human lives as well mother earth. It very essential thesepollutants because environmental health interaction closed, but not possible practically.Lockdown Covid 19 has p...
Once, in the not so distant past, smoke belching from urban factories and plants was viewed as a symbol of a prosperous, growing economy with abundant jobs. However, awareness of the downside of such pollution spawned the environmental movement of the 1960s, culminating in the Clean Air Act Amendment of 1970. This landmark legislation provided the regulatory mandates and legal tools that stimul...
Background and Objective: Air pollutants and noise level are areas of concern for public health, especially in metropolitan areas. In tunnels, underground stations and indoors with insufficient ventilation rate and noise reflection, accumulation of pollutants and noise pollution are serious problems. Materials and Methods: The present study was conducted to evaluate the level of PM and noise l...
background and aims: since using city power for welding process is not allowed, diesel generators are used as a power supply in construction industries. they could be introduced as a main source of noise pollution. the purposes of this study were to assess and control noise pollution produced by construction diesel generators in hamadan, iran. methods: in this descriptive, cross-sectional study...
This extended abstract describes Metopia, a research project in the early stages of progress, a wireless sensor network for urban spaces, to aquire a complex set of data from the environment for the purpose of making a sound composition. The programming language Pure Data is used to create a sound composition from the aquired data. This research project is using a real-world problem such as air...
Factories today are equipped with diverse mechanical equipment in response to rapid technological and industrial developments. Industrial areas located near residential neighborhoods cause massive environmental problems. In particular, noise pollution results in physical and psychological discomfort, and is a seen as invisible and inevitable problem. Thus, noise reduction is a critical and urge...
The administration and Congress intend to increase funding for U.S. scientific research significantly. As for biomedical research, some congressional leaders seek to double funding for the National Institutes of Health (NIH) in the next 5 years; the increase for funding for the next fiscal year (FY) will be 14%. Total funding in those 5 years will be (assuming necessary increments to equal that...
Automobile industry is an exhaustive industry bringing development for any country. The industrial capabilities needed for development rest in this branch of industry. The Iranian automobile making companies move in line with this aim. But in recent decades, in addition to development of automobile industry, the pollution too has occupied the minds of the authorities of these companies. Some me...
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