Noise emissions

The elimination of EMI in SMPS requires a systematic search for noise emissions from the converter components .

抑制开关电源中的EMI需要系统地研究变换器各成分的噪声发射。

The Development of Powered Two Wheeled Vehicles to Meet Environmental Noise and Emissions Legislation ( 2 )

符合噪声和排放法规的二轮摩托车的开发（2）

Enviromental legislation for vehicle noise and emissions is becoming a significant consideration during the development of new 2-wheeled vehicles .

机动车噪声和排放的限制法规在新型二轮摩托车的开发中正成为重要的考虑因素。

But it would also allow for the design of lighter aircraft , with smaller engines , which would cut fuel consumption , noise and emissions further .

但它也将使人们得以设计更轻的飞机，使用小些的发动机，从而进一步减低燃油消耗、噪音和废气排放。

Abstract : In the driving of a motor vehicle , the noise and emissions of the engine exhaust pollution is very high , in order to reduce noise and reduce pollution , on a motor vehicle is provided with a muffler device .

在机动车辆的行驶中，发动机的排气噪音和排放污染是非常高的，为降低噪音和减少排放污染，在机动车辆上都设置有消声装置。

Pilot injection technology is one of the main approaches to be used to meet and exceed the European III emission criteria for diesel engines , which reduces noise and NO_x emissions .

预喷射技术可以降低噪声和排放，是满足欧Ⅲ以上排放法规的主要解决途径之一。

Compared with conventional combustion techniques the pre evaporation combustion of light oil features such merits as high efficiency , low noise , low emissions of noxious pollutants ( especially NOx ) and ease of regulation .

与传统的燃烧技术相比，轻油的预蒸发燃烧具有高效率、低噪音、低有害污染物，特别是NOx排放和易调节等优点。

Because the high pressure common rail injection system has a high pressure at all speed range , it can precise control injection pressure and injector pulse width , and achieve the purpose of reducing noise , lower emissions of pollutants and high output power .

采用高压共轨电控燃油技术的柴油机在所有转速范围均系高压喷射，因而能实现对喷油脉宽和喷油定时的高精度控制，达到减小噪声、降低污染物排放以及高动力性输出的目的。

Each industrial sites have been routine check to reduce the noise pollution , dust emissions and wastewater .

每个工业场地都经过常规检查以降低噪音污染，粉尘排放和废水排放。

Electric vehicle has the advantage of low noise and nearly zero emissions , so it is a good alternative to solve the problem of the shortage of energy and the pollution of environment .

电动汽车具有低噪声、几乎零排放的优点，是解决能源、环保等问题的重要途径。