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- occupational noise source 职业性噪声源
- W is a zero mean white noise source. W是一个零均值的白噪声源。
- Use of shield for return current to noise source. 用屏蔽体作为负载电流的返回路径。
- This is avoidable by arranging the barriers to encircle the noise source. 要避免上述情况出现,可安排以屏障围绕噪音源头。
- The average level of occupational noise exposure of female workes of Anqing Textile Factory and urban community were 98.1 dB and 58.1 dB respectively. 应用单因素的卡方检验和方差分析及多因素的广义线性模型分析得到如下研究结果:(1)纺织厂女工职业噪声暴露的平均值为89.;1dB;社区工作的对照女工噪声暴露的平均值为58
- Objective: This panel study aimed to investigate effects of occupational noise exposure on ambulatory vascular structural properties in male workers. 目的:探讨职业噪音暴露对男性工人之动态血管构造特性的影响。
- The EMI noise source impedance of an SMPS is essential in EMC design. 开关电源的电磁干扰噪声源阻抗在电磁兼容性设计中是个非常重要的参数。
- Nurminenn T(1989),Kurppa K:Occupational Noise exposure and course of pregnancy . Scand J Work Environ Health 15: p117-124.. 吴聪能;张博雅(1991);噪音曝露与血压关系之研究;行政院卫生署.
- This paper presents the acoustical holography method which can be used to identify noise source on a moving vehicle. 本文提出利用声全息原理,对运动状态下的汽车噪声源进行识别的方法。
- Occupational noise is not classified as environmental noise but as noise at workplace, which is generated inside a factory or other industrial undertaking affecting employees working there. 职业噪音是指从工厂或其他工业经营场所发出,并影响该等工作地点内雇员的噪音。此类噪音并不归类为环境噪音,并由劳工处依据。
- Quadrupole source (30) A noise source in which four parts vibrate alternately in phase. 四極聲源(30)一種分成四部份而相位交替振動的噪音源。
- Background: Epidemiologic studies have demonstrated that occupational noise exposure is associated with hypertension, but the related mechanism in vascular structural changes is unclear. 背景:流行病学研究已经证实职业噪音暴露与高血压有关,但是与血管构造改变相关的机制仍不清楚。
- This article illustrate the acoustic character of this noise source, according to the observation and test cont... 本文通过对昆明东站铁路降噪工程的观测试验项目,探讨了减速顶噪声的特性及治理措施。
- Conclusion:Although the noise level of dentistry related work places is lower than high-noise industries, the hearing loss and the annoyance due to occupational noise cannot be ignored. 结论:虽然牙科相关作业环境噪音量低于高噪音行业,但工作人员的听力损失及噪音对他们所造成的烦扰仍是不可忽视的。
- The method of noise source identification and location based on Wave Superposition Method(WSM) is proposed. 提出了基于波叠加的噪声源识别和定位方法。
- Hydraulic impact which engender between proportional valve and hydraulic cylinder is important noise source. 操舵系统中,比例阀前的液压冲击是重要噪声源。
- Boggess, L. B., "The Little Black Fan as a Noise Source", Noise-Con 83, 1983, pp. 217-222. 林育洲,轴流风扇之数值与实验分析,国立台湾科技大学机械工程技术研究所硕士论文,1998年7月。
- The measuring method of switch power supply EMI noise source internal impedance IA also disclosed. 同时还公开了利用本发明装置测定开关电源EMI噪声源内阻抗的方法。
- Analytical results show that the unusual noise source is chiefly due to unsteady combustion. 测试结果表明,国产机噪声异常主要是由于不稳定燃烧造成的。
- In fact any resistor is a much more complex device containing, at the very least, an inductance, a noise source, a capacitor and two thermocouples. 然而,电阻器的电路模型远不是这么简单,它包含更多的内容,至少包含一个电感、一个噪声源和两个热电偶。