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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...
2025-11-04
The "Implementation Plan" is a guiding document for noise pollution prevention and control work in our province for the coming period. It takes meeting the people's growing need for a peaceful and harmonious living environment as its starting point and ultimate goal, adheres to the principles of joint governance by all, source prevention, and addressing both symptoms and root causes, and...
There is a type of pollution called "office noise pollution".
2025-11-04
In fact, office environment factors, especially office noise, significantly impact work efficiency. This issue has already been recognized and addressed by some companies, who are introducing comprehensive acoustic noise reduction solutions in open-plan work environments to resolve potential noise problems in various office scenarios. This is particularly relevant for team collaborations,...
Decentralized treatment solutions solve workshop noise problems
2025-11-04
Faced with complex and ever-changing industrial environments, the "decentralized treatment" strategy, with its unique advantages of precise positioning, flexible deployment, and cost-effectiveness, is becoming an innovative tool for solving workshop noise problems. III. The Winning Advantages of Decentralized Treatment: The Power of Flexibility, Precise and Efficient, Targeting the Key Issues:...
Popular Science | 182 Acoustics Facts You Didn't Know? (Part 2)
2025-11-04
99. The conditions for the formation of standing waves are reverse propagation, equal amplitude, equal frequency, and a phase difference of 0 or constant. 129. The characteristic of a thin-plate resonant structure is that it has low-frequency sound absorption properties and also helps the diffusion of sound waves. 131. The sound engineer records birdsong in trees at 0.01 Pa, and bugle calls at...
2025-11-04
To explore the use of technology to reduce noise pollution, three sets of automatic monitoring and display facilities and one smart plaza directional sound transmission device were installed at Chaoyin Waterfront. Through real-time monitoring, numerical display, and alarm prompts, these devices regulate public fitness activities. The smart plaza directional sound transmission device focuses...
2025-11-04
The new standard, by strictly controlling the thermal performance of building envelopes, improving equipment energy efficiency, and mandating the application of renewable energy sources (such as solar energy and air source heat pumps), will significantly reduce energy consumption and carbon emissions during building operation, providing technical support for the low-carbon transformation of...
A New Level of Sound Insulation: Unveiling the Four Core Elements of High-Quality Soundproof Windows
2025-11-04
3. For sealing strips, use "three or more layers, preferably made of EPDM": Sealing strips are crucial for preventing sound leakage through gaps. Good soundproof windows will have three or more sealing strips between the window frame and glass, between the window frame and the wall, and between the window sash and the window frame. Furthermore, the material of these sealing strips should...
How to implement sound insulation and noise reduction in a chemical plant?
2025-11-04
Chemical plants are complex production environments, and noise is inevitably generated during their production processes. Noise from fluid flow in pipelines is also a significant noise source in chemical production. Therefore, noise control in chemical plants mainly involves selecting low-noise equipment, improving equipment structure, and rationally planning the plant area...
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...
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