Search results for keyword: acoustic
Vent valve noise control
Noise Control of Intake Valves
The intake valve of an internal combustion engine is designed to control the amount of air that is fed into the engines combustion chamber. The opening and closing of the intake valve is controlled by either a camshaft or a by an electronic control module, dependin......
1041 
Harper
Dust monitoring
Introduction
Dust, suspended particles of matter that are found in the air and can cause significant adverse impacts on public health, is one of the most significant environmental problems facing many cities around the world. Dust arises from natural processes as well as from human activities. Nat......
Mine Noise Control
Mining Permit Noise Control
Mining is an industry with a long history of social and economic importance. Since it is a critical element of industrial production, it has become increasingly important to ensure that mining activities are adequately regulated so as to protect the environment, worker......
Oxygen Station Noise Control
Noise Control at Oxygen Stations
Oxygen stations are places where people come to purchase liquid or gaseous oxygen for medical or recreational uses. Although such oxygen stations can provide a great service to those in need, they sometimes cause disruption and annoyance to local residents from th......
Ball Mill Noise Control
Noise Control of Ball Mill
Noise has always been one of the environmental and health hazards caused by the use of industrial equipment. As one of the major equipment of industrial production, noise control of ball mill has become an important indicator of industrial production quality. In this pa......
Conveyor Roller Noise Control
Introduction
Noise pollution has been recognized as a major environmental health hazard in recent years. In the industrial sector, noise generated by transportation roller conveyors is one of the most common sources of noise pollution. Various methods have been proposed to reduce the noise genera......
NRW-1 Natural ventilation noise reduction window
The NRW-1 Natural Ventilation Window is a revolutionary window system designed to improve air quality and reduce noise levels in any room where they are installed. The NRW-1 works by utilizing natural ventilation to bring in fresh air and reduce noise levels by using Passive Sound Insulation Techn......
Straightening machine noise control
Introduction
Noise within industrial processes can be annoying, disruptive and potentially hazardous to workers’ health. In the rectification process, the positioning and straightening of the material being processed is crucial. But, the system noise created by the machine and its environment can......
Pump station noise control
Pump Station Noise Control
Noise pollution is an environmental issue that should be taken seriously. Pump station noise control can help to reduce the negative impact created by various types of equipment and machinery in this setting. Pump station noise is emitted during the process of moving wat......
Noise control of collecting device
Noise Control of Aggregate Supply Device
Noise is a product of energy conversion. It is annoying to humans and can also cause physiological and psychological harm. Therefore, it is particularly important to control the noise of the aggregate supply device. This article introduces several noise co......
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