查询词典 noise-power-ratio

The results proval that Astragals and Rhodiola could resist the stimulaiton of noise, so through eating food containing Astragals or Rhodiola could relax the damage from noise.

研究结果表明，黄芪和红景天对噪声刺激具有抵抗作用，因此可以通过食用含有黄芪、红景天的药物或食品来缓解噪声危害。

This paper studies the noise characteristic of spool valves, and establishes the flow-model of the sloping groove. The theory of cavitating dynamics is applied to analysis the noise-control principle.

本文通过对液压元件中的滑阀节流槽噪声特性研究，建立了渐扩形节流槽的流动模型，应用空泡动力学理论分析了其降噪原理。

A clapper's sole purpose is the creation of noise. Clappers are usually associated with sporting events and any other event where lots of noise equals a good time.

拍板的唯一目的就是为了制造噪音，拍板一般都出现在体育活动和其他充满噪音的场合。

Most devices integrate the emission of each input point over a specified time interval before yielding a signal that is proportional to noise reduction, thus making image dissectors attractive in applications where high signal - to noise rations are required.

在所有的设备在规定时间间隔内把每个输入点综合在一起，然后产生一种与噪音降低成比例的信号，从而使图像分解器在信号／噪音定量需求高的应用中更具吸引力。

The purpose of this research is to find out in the noise environment, if wearing or not wearing earmuff should affect worker recognition to warning sound, applicability of different warning sound types on various noise condieions, and how to encourage worker to wear earmuff.

目的是想了解工作者於噪音环境下，有无佩戴耳罩是否会影响工作者对警告声响的辨别度、警告声响类型在各噪音型态的适用性以及如何消除劳工的疑虑以增加佩戴防音防护具的意愿等。

In the condition of noise level of 80 dBA and75 dBA (center frequency 500Hz, band 316Hz in pink noise) and speech le-vel of 75 dB and 70 dB, the intelligibility for listeners wea-ring earmuff were 86.7% and 84.6% respectively, however, for those notwearing earmuff were only 70% and 64.8%.

在500Hz中心频率，带宽为316Hz的粉红噪声，声级80dBA和75dBA环境下，戴耳罩接收75dB、70dB的单音字，清晰度分别为86.4%和84.4%，不戴则为70%和64.7

The paper analysed the characteristics of noise pollution in cement plant harm to human health, and emphasized the control theory and detail method of noise from ball mill and fan, fianlly put forward the control measure.

文章分析了水泥厂噪声污染的特点，阐述了噪声对人健康的危害，重点分析了球磨机和风机噪声的控制原理和具体方法，提出了综合治理的措施。

Fifty-eighth article about social life in violation of noise pollution control laws, to create noise interference of others to live a normal life, and warning; warnings not corrected, is 200 yuan more than a fine of 500 yuan.

Y_qS8M'K1第五十八条违反关于社会生活噪声污染防治的法律规定，制造噪声干扰他人正常生活的，处警告；警告后不改正的，处二百元以上五百元以下罚款。

In the basis of importing, studying and taking advantages of home and abroad advanced technology, our company invested and made great efforts to develop the new blower — low-noise cabinet centrifugal fire blower with precise techniques and strict quality control. The blower is efficient, low-noise, powerful, heat resistance, and easy to install, operate, maintain, and with fine outline design.

低噪声柜式离心消防风机是我公司在引进、消化和吸收国内外先进技术的基础上，反复推敲，精心设计，以精湛的加工工艺和严格的质量控制生产出来的新型风机，该风机具有效率高、噪声低、风量足、耐高温、安装简捷、使用维护方便和外形美观等特点。

First of all two-dimensional bar code of the positioning and segmentation algorithm using Hough Transform and Sobel edge detection of the bar code images collected from the original image to effectively separate and then analyzes the barcode image through the optical system of the noise model, put forward a Calculation of point spread function of standard deviation of the algorithm uses Flourier transform adaptively select the threshold to remove noise caused by invalid border, bar code and thus be the basic module.

首先探讨了二维条码的定位与分割算法，利用Hough变换与Sobel边缘检测把条码图像从原始采集的图像中有效地分割出来然后分析了条码图像经过光学系统的噪声模型，提出了一种计算点扩展函数标准方差的算法采用Flourier变换自适应地选取阈值去除噪声导致的无效边界，从而得到条码的基本模块。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。