decibels above reference noise

简明释义

超过基准噪声的分贝数

英英释义

例句

1.During the test, the machinery produced a noise level of 85 decibels above reference noise 相对于参考噪声的分贝.

在测试过程中，机器的噪音水平达到85 相对于参考噪声的分贝 decibels above reference noise。

2.The environmental report indicated that traffic noise is typically around 70 decibels above reference noise 相对于参考噪声的分贝 in urban areas.

环境报告指出，城市地区的交通噪声通常在70 相对于参考噪声的分贝 decibels above reference noise左右。

3.A typical vacuum cleaner operates at about 75 decibels above reference noise 相对于参考噪声的分贝.

普通吸尘器的工作噪声大约在75 相对于参考噪声的分贝 decibels above reference noise。

4.The sound level in the concert hall reached 95 decibels above reference noise 相对于参考噪声的分贝, making it difficult to hold a conversation.

音乐厅的音量达到了95 相对于参考噪声的分贝 decibels above reference noise，这使得人们很难进行对话。

5.In the lab, we measured the ambient noise at 40 decibels above reference noise 相对于参考噪声的分贝 during the experiment.

在实验室中，我们在实验期间测量到环境噪声为40 相对于参考噪声的分贝 decibels above reference noise。

作文

In our modern world, noise pollution has become an increasingly pressing issue. From the constant hum of traffic to the blaring of horns and the thumping bass from nearby clubs, we are surrounded by sounds that can often be overwhelming. One crucial aspect in understanding noise levels is the concept of decibels above reference noise, which serves as a measurement to quantify how loud a sound is compared to a standard reference level. This standard reference level is typically set at 0 decibels, which is considered the threshold of hearing for the average human ear.When we talk about decibels above reference noise, we are essentially discussing how much louder a particular sound is compared to this baseline. For instance, a whisper might register around 30 decibels, while normal conversation ranges from 60 to 70 decibels. In contrast, sounds like a chainsaw or a rock concert can reach levels of 110 decibels or more. By measuring sound in this way, we can better understand the potential impact of different noise levels on our health and well-being.Excessive noise can lead to a variety of health problems, including stress, anxiety, and even hearing loss. The World Health Organization has identified noise pollution as a significant environmental risk factor that can affect sleep quality and overall health. Understanding how to measure noise in decibels above reference noise is vital for urban planners and public health officials who aim to create quieter, more livable environments.For example, cities with high levels of noise pollution often implement regulations that limit the amount of noise that can be produced in certain areas. These regulations may specify permissible noise levels in terms of decibels above reference noise, ensuring that residential neighborhoods remain peaceful and conducive to living. Similarly, workplaces that involve loud machinery must adhere to safety guidelines that protect workers from excessive noise exposure, measured again in decibels above reference noise.In addition to its implications for public health, understanding decibels above reference noise also plays a crucial role in industries such as entertainment and construction. Musicians and sound engineers must carefully monitor sound levels during performances to avoid damaging their hearing and that of their audience. Likewise, construction companies must take into account the decibels above reference noise generated by heavy machinery, especially when working in populated areas.Moreover, technology has advanced in ways that allow us to measure and mitigate noise pollution more effectively. Sound level meters are commonly used to assess noise levels in various environments, providing readings in decibels above reference noise. With this data, we can make informed decisions about noise control measures, such as sound barriers, insulation, and the strategic placement of noisy equipment.In conclusion, the concept of decibels above reference noise is essential for understanding and managing noise pollution in our daily lives. As urban areas continue to grow and evolve, it is imperative that we pay attention to the sounds that surround us and their impact on our health and quality of life. By utilizing this measurement, we can work towards creating a quieter, healthier environment for everyone. Understanding and implementing strategies based on decibels above reference noise will not only enhance our living conditions but also contribute positively to our overall well-being.

在我们现代社会中，噪音污染已成为一个日益紧迫的问题。从交通的持续嗡嗡声到喇叭的刺耳声，以及附近俱乐部的重低音，我们被常常令人不堪重负的声音所包围。理解噪音水平的一个关键方面是“相对于参考噪声的分贝数”这一概念，它作为量化声音相对于标准参考水平的测量工具。这个标准参考水平通常设定为0分贝，被认为是普通人耳的听觉阈值。当我们谈论“相对于参考噪声的分贝数”时，我们实际上是在讨论某种声音与这个基线相比有多大声。例如，耳语的声音约为30分贝，而正常对话的声音范围在60到70分贝之间。相比之下，链锯或摇滚音乐会的声音可以达到110分贝或更高。通过这种方式测量声音，我们可以更好地理解不同噪音水平对我们的健康和福祉的潜在影响。过度噪音可能导致多种健康问题，包括压力、焦虑，甚至听力损失。世界卫生组织已将噪音污染视为一个重要的环境风险因素，会影响睡眠质量和整体健康。理解如何以“相对于参考噪声的分贝数”来测量噪音，对城市规划者和公共卫生官员来说至关重要，他们旨在创造更安静、更宜居的环境。例如，噪音污染水平较高的城市通常会实施限制某些区域产生的噪音数量的规定。这些规定可能会以“相对于参考噪声的分贝数”来指定允许的噪音水平，确保居民区保持宁静，适合居住。同样，涉及噪音较大的机械的工作场所必须遵守安全指南，以保护工人免受过度噪音暴露的影响，这再次以“相对于参考噪声的分贝数”来衡量。除了对公共健康的影响外，理解“相对于参考噪声的分贝数”在娱乐和建筑等行业也发挥着至关重要的作用。音乐家和音响工程师必须在演出期间仔细监测声音水平，以避免损害自己的听力和观众的听力。同样，建筑公司必须考虑重型机械产生的“相对于参考噪声的分贝数”，特别是在人员密集的地区工作时。此外，科技的发展使我们能够更有效地测量和减轻噪音污染。声级计通常用于评估各种环境中的噪音水平，以“相对于参考噪声的分贝数”提供读数。通过这些数据，我们可以就噪音控制措施做出明智的决策，例如声屏障、隔音以及噪音设备的战略性放置。总之，“相对于参考噪声的分贝数”的概念对于理解和管理我们日常生活中的噪音污染至关重要。随着城市地区的不断发展和演变，我们必须关注周围的声音及其对我们健康和生活质量的影响。通过利用这一测量，我们可以努力创造一个更安静、更健康的环境。基于“相对于参考噪声的分贝数”理解和实施的策略不仅会改善我们的生活条件，还将对我们的整体福祉产生积极影响。