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- Simulation Experiment for Adaptive Active Control of a Diesel Exhaust Noise 发动机排气自适应有源消声控制仿真实验
- Study of Active Control to Diesel Exhaust Noise with Waveform Composition Technique 利用波形合成技术对柴油机排气噪声实行有源控制的研究
- Active noise silencing model and simulation test for controlling diesel exhaust noise 柴油机排气噪声有源消声模型及模拟试验
- diesel exhaust noise 柴油机排气噪声
- The Generation Mechanism of Diesel Exhaust Noises and the Design of the Exhaust Muffler 柴油机排气噪声的产生机理及排气消声器设计
- Even short-term exposure to fumes (such as diesel exhaust) can result in cough, phlegm, and lung irritation, for instance. 比方说短时间的接触烟尘(比如柴油机废气)可能导致咳嗽,痰液,肺脏刺激。
- Some of these fine particles--suspended in air as primary organic aerosols--are tiny flecks rich in carbon, often from sources such as diesel exhaust. 在这些作为初级有机气溶胶悬浮在空气中的细微颗粒当中,有些是富含碳元素的小尘粒,来源是柴油车尾气之类的排放。
- The soluble organic fractions (SOF) in diesel exhaust particulates have been extracted with ultrasonic separator and analyzed by gas chromatography/mass spectrometry (GC/MS). 采用气相色谱质谱联用技术(GC/MS)对柴油机排气微粒中的可溶性有机组分(SOF)进行了分离分析。
- The exhaust noise accounts for a great proportion in the noise of vehicles so that higher and higher demands are proposed on the performance of exhaust muffler. 车辆噪声中排气噪声占有很大的比重,因此对排气消声器的性能提出越来越高的要求。
- The non-air-conditioned cabin, already cloying in the monsoon humidity, fills with diesel exhaust as thousands of trucks jostle to pass through a toll plaza on the highway. 车内没有空调,印度雨季的湿气使车里的人很倒胃口。阿兰格的卡车现在和成千上万的卡车挤在一起,争相通过高速公路上的一个收费广场。
- The noise of city streets is controlled by ordinances prohibiting excessive use of Vehicle horns and requiring mufflers that quiet vehicle exhaust noise. 城市街道控制噪音,可以颁布法令禁止机动车辆过多地使用喇叭,并要求安装消声器,以缓和车辆排出的噪音。
- ZHANG Jin-feng, WANG Zhe, CUI Yun-wen, et al.Study micronucleus and SCE of various cell induced by diesel exhaust particulates[J].China J of Eugenic and Genetic, 1999,7(2) :39-40. [3]张瑾峰;王哲;崔允文;等.;柴油机排出颗粒物诱导各种细胞微核和SCE的研究[J]
- Jones, A. D. and G. L. Brown, "Determination of Two-Stroke Engine Exhaust Noise by the Method of Characteristics", Journal of Sound and Vibration, Vol. 82(3), pp.305-327(1982). 卢昭晖;杨秀丰;刘德真;"机车引擎暨进;排气系统噪音分析改善";财团法人车辆研究测试中心学界转委托期末报告;(1995).
- According to the exhaust noise characteristics of special engine and the installation request of exhaust muffler, the exhaust muffler for special engine was designed. 根据特种发动机排气噪声的特性和消声器的安装要求,设计了一个组合式排气消声器。
- Forecast of Exhaust Noise for Diesel Engines Based on FNN 基于模糊神经网络的柴油机排气噪声预测
- The new changes specifically address the potential effects of small levels of calcium and magnesium on particulate traps used as part of the diesel exhaust after-treatment systems. 新的特殊的改变主要是微量元素钙和镁的潜在的低水平的影响,他们通常会成为柴油机后处理系统中随排气装置排出的微粒。
- The dispersity of 5 kinds of diesel particles were collected and detected by using high volume air sampler with DFG-1 meter, and 3 kinds of diesel exhaust particles were extracted and analysed. 利用DFJ-1型五码分级器对3种型号柴油机车排出颗粒物进行分级采样,并对此3型颗粒物进行有机提取物组分分析。
- A new type of smokemeter of fluid-separating and transphotometry was developed.The meter is precise,portable and simple in structure,is appliable to dynamic determination of diesel exhaust. 研制了一种新型分流透光式烟度计,可适用于柴油机排烟的动态监测,具有结构简单、精度高、易于携带等优点。
- Helmholtz resonator has a simple configuration, but it has a good noise eliminating performance at low frequency.So it hs been widely used on the engine intake and exhaust noise reduction. 摘要亥姆赫兹共振腔结构简单,且有良好的低频消声性能,近几年来广泛地应用于发动机进排气消声上。
- The research trend in the after-treatment technology of diesel exhausts has been proposed. 本文分析探讨了柴油机排气颗粒物的组成、危害及后处理技术。