应严格按照国内噪声标准确定工人接触噪声时间。
Time of contact with noise shall be strict controled according to national noise standard.
本研究为制订学校噪声标准和噪声防治提供了科学依据。
Our research has certain reference value in enacting standard and prevention of noise.
电流噪声标准偏差可用于比较同一种腐蚀类型下材料的腐蚀速度；
Standard deviation of current noise is qualified to compare corrosion rates of metals with the same corrosion type.
结论所调查小区的规划建设基本合理，总体可以满足环境噪声标准的要求。
Conclusion the construction planning of the areas surveyed accords with criteria for ambient noise.
单位和个体经营者使用空调设备产生的噪声，应当符合城市区域环境噪声标准；
The noise coming from the air-conditioning equipment used by units or self-employed workers shall conform to the environmental noise standard for the locality.
噪声污染是21世纪环境污染的主要控制对象，噪声标准则是噪声控制的依据。
The noise pollution is the main object of the environmental pollution which should be controlled in the 21st century, and the noise standard provide basis for controlling noise.
现有噪声标准一般采用基于对人听觉影响的A声级作为评价量指标，而忽视了噪声对人的心理和精神方面的影响。
The a sound level on influencing humans' hearing sense normally adopt as an index in current noise assessment standards, though psychological and mental influence is neglected.
在目前尚未对城市风景旅游公园建立专门的噪声标准的情况下，这一评价方法对正确评估城市风景旅游公园的声环境质量有积极的实用意义。
When the environmental standards in urban scenic parks have not been put forward at present, this method is important for correct assessment of the environmental noise quality of scenic parks in city.
为有效地控制城市噪声污染的程度和范围 ，便于城市环境噪声管理和促进噪声源治理 ，城市区域环境噪声标准适用区划分 （以下简称“噪声区划”）势在必行 。
In order to effectively control the degree and scope of city noise pollution, strengthen city environmental noise management and promote noise control, city environmental noise division is necessary.
六类是新一代的标准，速度将是超五类的两倍，而且有更严格的噪声和干扰规则。
Cat6 is the next-gen standard that will handle speeds twice as fast as Cat5e, and has stricter rules about noise and crosstalk.
主持人：会有这种举措，是否是基于严格的健康与安全标准，以及降低噪声污染和其它相关的理念呢？
The host: So is this partly a response to ever stringent health and safety regulations and ideas about noise pollution and so forth?
这种设备可以发出88到150分贝的噪声，比标准的烟雾检测器还要响亮。
The devices can emit a range from around 88 to a painful 150 decibels, which is louder than a standard smoke detector.
检查货物卫生状况；检测货物在运行状态下的噪声、粉尘含量、辐射以及排放物是否符合标准。
Checking the hygiene conditions of the goods; examining whether the noise, dust content, radiation and emission of the goods in operation meet the requirements.
对如何确定空气调节设备噪声的标准、声源点及测定方法提出若干建议。
Presents several proposals as how to specify the noise criteria, noise source point and measurement method for air conditioning equipment.
风机噪声达到国家标准，且距风机机壳外1米处的噪声不得大于85分贝。
With noise level held to meet national standards, the noise 1m away from fan cover should be confined below 85 dB.
这种方法对空间图像噪声不敏感，并且与标准技术相比，它能够更好的与人类视觉系统的反应相一致。
This method is insensitive to spatial image noise and is in better correspondence with the response of the human visual system than is the standard technique.
依据声级测量的误差分析，结合实例，对国家现行《超标环境噪声排污费征收标准》提出异议。
According to error analysis of sound level measurement and practical case some objection was raised to levy standard on Noise Exceeding Environment standard.
采用白噪声信号作为标准声源的输入信号，在常温无气流条件下对消声器实物模型进行了静态放声试验。
After a white noise signal has been taken as the input of a standard sound source, a static acoustic test is conducted for a prototype silencer without air flow and at the normal temperature.
1972年，巴黎国际噪声专业会议正式确定了次声的定义，并对次声的暴露标准展开讨论。
In 1972, Paris International Noise Professional Meeting gave a formal definition of infrasound, and discussed its exposure standards.
对轻便摩托车行驶噪声测量方法的典型标准和法规(在操作要求方面)做出比较。
Making a comparison between the typical standard of moped running noise testing methods and regulations (in the field of the operation requirements).
标准的FCM算法对大数据样本集进行聚类时极为耗时，而且对噪声比较敏感。
The standard FCM algorithm is not only extremely time-consuming for clustering large data set, but also more sensitive to noise.
结论作业人员长期在平均噪声强度低于卫生标准下工作，仍可有一定程度的心电图改变和听力损失。
Conclusion ECG and hearing in workers could be affected with long-term exposure to medium low intensity noise, even if the exposure average level was lower than the limited level of hygienic standard.
本标准规定了五类声环境功能区的环境噪声限值及测量方法。
This Standard specifies the environment noise limit and measuring method of five kinds of noise environment functional areas.
结果表明，福州市区环境质量总体状况良好，但城市污水处理率、环境噪声达标率离标准值都有一定的差距。
The results showed that the environment quality in Fuzhou urban area was good in general, but the urban sewage disposal and noises decreasing lagged behind the standard values.
应采取多种措施如监督监测、评价、制定标准、噪声控制技术等来降低室内噪声，保护人群健康。
To reduce indoor noise and protect the public health, actions such as monitoring, assessment, developing criteria and noise control techniques, should be taken.
四喷嘴工况的撞击火焰噪声的标准偏差值要大于两喷嘴，但标准偏差随工况的变化小于两喷嘴，说明四喷嘴撞击火焰燃烧剧烈但稳定。
The standard deviation of four-nozzle impinging flame noise was greater than that of the two-nozzle impinging flame noise, but the change of the standard deviation was the reverse.
本文介绍了国家标准中内燃机噪声测试对声学测试环境的要求，提出了内燃机噪声实验室建设的指标。
This paper introduces the requirements for sound testing environment by the national standards for engine noise testing and proposes the targets for the construction of engine noise laboratories.
本文介绍了国家标准中内燃机噪声测试对声学测试环境的要求，提出了内燃机噪声实验室建设的指标。
This paper introduces the requirements for sound testing environment by the national standards for engine noise testing and proposes the targets for the construction of engine noise laboratories.
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