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How to Focus
2025-11-04
Sanyuan ventilation and soundproof windows became the focus of attention at this exhibition, receiving widespread acclaim. The windows were showcased in the exhibition hall, allowing residents to experience their superior performance firsthand and providing a practical solution for improving their home environment. This exhibition perfectly blended technology and life, contributing to the...
2025-11-04
Optimize drive strategies: Implement frequency conversion control for the motor to avoid operation at resonant speeds; optimize pressure and flow control strategies for the hydraulic system to reduce unnecessary shocks and pulsations. Noise control in aircraft hydraulic systems focuses on source suppression (low-pulsation pumps, vibration dampers, valve optimization) and propagation path...
2025-11-04
With rising living standards and increasing attention to living environments, residents' demand for sound insulation in residential buildings is constantly increasing. Deputy Secretary-General Zhang Lei stated that the Housing Alliance will strengthen its ties with enterprises, using the Housing Alliance platform to amplify the voices of more people about excellent companies and healthy...
2025-11-04
Noise pollution from charging equipment is increasingly becoming a focus of resident complaints, impacting urban acoustics and user experience. To balance the demand for green transportation with community livability, Sichuan Sanyuan Environment has proposed a dual-drive noise reduction solution combining technology and management, covering the entire noise source control, propagation...
2025-11-04
The noise generated by auxiliary equipment such as exhaust fans, heat pump units, and circulating pumps in satellite stations often exceeds the above standards. In particular, low-frequency vibrations propagate through the building structure, causing continuous disturbance to nearby residents and commercial users. 1. Solid-borne sound propagation: Vibrations are transmitted along pipes and...
Why are acoustic services said to meet future consumption trends?
2025-11-04
Contrary to the common perception of Japanese youth as "laid-back" and "low-desire," their spending is still increasing. However, the focus is shifting from external, socially acceptable material consumption (such as luxury goods) to more intrinsically satisfying, interest-based, and experiential consumption, such as entertainment, sports, and travel.
What are some noise reduction measures for hospital cooling towers?
2025-11-04
By implementing noise reduction measures, we can ensure more private communication between medical staff and patients during services, providing patients with more personalized care. During the design phase of hospital cooling towers, noise can be reduced by selecting low-noise equipment and optimizing fan design. Through a series of effective noise reduction measures, not only can...
2025-11-04
The Ministry of Housing and Urban-Rural Development's "Code for Sound Insulation Design of Civil Buildings" (GB 50118-2010) clearly stipulates that the airborne sound insulation of exterior windows in school buildings should be ≥30dB, and ≥35dB for special locations such as language classrooms. [Focus Enhancement: A key primary school in Shanghai installed ventilated and soundproof windows in...
2025-11-04
Directional sound propagation technology can focus sound from a noise source onto a specific area, effectively reducing the noise's propagation range and thus minimizing noise disturbance to surrounding residents. By precisely controlling the direction and range of sound propagation, directional sound propagation technology allows for targeted control of specific noise sources, achieving...
2025-11-04
I. Application Directions of Noise Control in the "Dual Carbon" Action: 1. Combining Industrial Noise Control with Energy-Saving Retrofitting: Noise Reduction Retrofitting of High-Energy-Consuming Equipment: Installing silencers and soundproof covers on blowers, air compressors, and other equipment in high-carbon emission industries such as steel and chemicals to reduce noise while minimizing...
2025-11-04
Professional noise control not only helps businesses achieve environmental compliance but also improves the quality of the production environment and employee satisfaction. It is recommended that companies conduct on-site inspections during the selection process, request simulated control solutions, and use a six-dimensional evaluation system-"qualifications, technology, case studies,...
2025-11-04
The property management arrived and dragged the girl away, leaving her barely clothed. A bystander filmed the incident and posted it online... The incident then went viral, sparking heated discussions on various news platforms. Who should be held responsible: the property management, the girl, or the elderly person? In conclusion: To prevent similar incidents from happening again, I...
2025-11-04
The key to building beautiful factories lies in the coordinated promotion of carbon reduction, pollution reduction, greening, and growth, thereby lowering pollution emissions and improving the environmental appearance. It is essential to align with the requirements of the "Action Plan for Continuous Improvement of Air Quality," and to diligently implement measures for upgrading and...
Planning Logic and Responsibility Allocation for Noise Control on Main Traffic Lines
2025-11-04
I. The Dilemma of Noise Control in Two Planning Models The core problem is that existing buildings do not consider the future noise impact of roads, forcing residents to bear the additional noise pollution after road construction, resulting in high control costs and prominent contradictions. 1. The "Road First, Building Later" Model: Centered on "Planning Prevention" "Road First, Building...
Important Announcement | "Administrative Measures for Discharge Permits" to Take Effect on July 1st
2025-11-04
Except as provided in Articles 25, 26, and 27 of these Measures, if the information recorded on a discharge permit changes, the discharging entity may proactively submit an application to the approval department to adjust the content of the discharge permit, and the approval department shall promptly adjust the information recorded on the discharge permit. The superior ecological and...
Hate noise? You might be a genius: Schopenhauer on noise
2025-11-04
Of course, many, even a great many, people will smile at my predicament because they are insensitive to noise; however, it is precisely these same people who, if I consider something important and meaningful, are less likely to perceive its noise as noise; conversely, if I consider it ugly, meaningless, or destructive...
2025-11-04
Specific scenarios: For areas where individuals are easily involved, such as noise from neighborhood life (e.g., interior decoration, family entertainment, pet ownership), public places (e.g., square dancing, street promotions, improper honking of vehicles), and commercial operations, clearer behavioral boundaries and decibel limits have been set. The law empowers us to protect ourselves from...
Do soundproof curtains really work?
2025-11-04
Your windows have already reduced outdoor noise to 40 decibels, but you still find it noisy. Since you can't modify or add more windows, and you want to further reduce it by 5 to 8 decibels (low frequencies might be around 5 decibels, high frequencies close to 10 decibels), then the only solution is to install soundproof curtains. Because curtains can only block...
What are the customization requirements for industrial soundproof doors?
2025-11-04
Customizing industrial soundproof doors is not a simple process; it requires comprehensive consideration of factors such as the specific usage environment, noise type, and noise level. During customization, materials with fire-resistant, corrosion-resistant, and waterproof functions must be selected according to environmental requirements to ensure the door's long-term use in harsh...
2025-11-04
As core technologies and equipment for noise control, soundproof enclosures and silencers significantly reduce the impact of platform operations on the marine environment by reducing noise at its source and blocking its propagation. my country's "Marine Environmental Protection Law" and "Action Plan for Pollution Prevention and Control in Marine Oil and Gas Development" explicitly require...
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