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   exhaust 在 安全科学与灾害防治 分类中 的翻译结果: 查询用时:0.198秒
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安全科学与灾害防治
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燃料化工
石油天然气工业
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exhaust
相关语句
  尾气
    Formation of automobile emission plume and air exhaust mode of underground parking garages
    汽车尾气烟羽的形成及地下车库排风方式
短句来源
    The NOx CO and TSP concentration by automobile exhaust level of exceeding national standard were 100%,56% 89% and 45% 56%,repectively. The NOx and CO comcentration were significantly higher in 1997 than in 1993( P <0.01 and P <0.05).
    汽车尾气排出的NOx 浓度超标率100% ,CO 超标56% ~89% ,TSP超标45% ~56% ,NOx 和CO浓度1997 年与1993 年比较,有明显增高(P< 0.01 和P< 0.05);
短句来源
    Analysis on Organic Components in Particulates of Gasoline fueled Engine Exhaust and Their Cellular Immunotoxicity
    汽油车尾气颗粒物中有机成分分析及对细胞免疫毒性研究
短句来源
    Makes flow visualized experiments separately for th ree exhaust modes, i.e. exhaust from upper part, lower part and simultaneously f rom upper and lower part of a garage, and analyses the formation and development process of the plume based on the obtained pictures.
    针对上排风、下排风及上、下同时排风 3种排风方式分别进行了气流显示实验 ,根据得到的图片对汽车尾气烟羽的形成和发展过程进行了分析 ;
短句来源
    The results show that the formation process of the plum e is basically the same for the three modes and that exhaust air rate for the fi rst exhaust mode is larger than that of the second in the case of the same air o utlet area.
    结果表明 ,3种排风方式下汽车尾气烟羽的形成过程基本相同 ;
短句来源
  
    Calculation of exhaust duct of kitchen
    住宅厨房风道计算探讨
短句来源
    Surge Analysis and Economic Operation of the Fans for Gas Plenum and Exhaust
    煤气送风机的喘振分析与经济运行
短句来源
    Application of Exhaust Radon Ventilation Method of Slightly Uranium Mine in Yunxi Mine
    非铀矿山氡通风方法在云锡矿井的应用
短句来源
    Formation of automobile emission plume and air exhaust mode of underground parking garages
    汽车尾气烟羽的形成及地下车库风方式
短句来源
    After analysing the noise distribution characteristics and combustion state of the diesel generator, provides an improved design of the air supply/exhaust system, in which some noise control measures are taken, lowering the noise in A sound level at a point 1 m away and outside the building from 78 dB to 55 dB.
    通过对300kW柴油发电机噪声分布特性及柴油发电机燃烧状况的分析,设计出一种合理的送、风系统,并对机房噪声采取了综合治理措施,使机房外1m处A声级噪声由78dB降至55dB。
短句来源
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  “exhaust”译为未确定词的双语例句
    A Study on Theory and Experiment of Sound Muffling Mechanism of ceramic Beehive Carrier for Motor Vehicle Purified Exhaust Muffler
    汽车净化消声器陶瓷蜂窝载体消声机理的理论及试验研究
短句来源
    Aerodynamic analysis on the exhaust of central flues for residential kitchens
    集中烟道住宅厨房排烟系统空气动力分析
短句来源
    Practice of Changing Exhaust Ventilation System to Forced One in Dazhuang Mine
    大庄矿通风系统“抽改压”实践
短句来源
    Design of Smoke Preventing and Exhaust System for Highrise Civil Building
    某高层民用建筑防排烟系统设计介绍
短句来源
    Application of Active Noise Control Technique in Noise Reduction System of Industrial Exhaust Fan
    主动噪声控制技术在工业换风扇降噪中的应用
短句来源
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  exhaust
It is a novel approach for full utilization of heat energy during heat treatment, which increased 30 % of the heat efficiency when compared with normal air-cooler methods that directly put exhaust air into atmosphere.
      
Properties of La1-xCexCoO3 system perovskite-type catalysts for diesel engine exhaust removal
      
The catalytic activity of the catalysts in removal of NOx, total hydrocarbon (THC) and particulate matter (PM) from diesel exhaust gases were examined in detail using temperature-programmed reaction technique.
      
Pre-spray (PS) strategy, which means supplying highly pressurized air into the exhaust manifold two seconds before the accelerating-graph begins to rise and stopping spraying air when the accelerating-graph stops rising.
      
Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst
      
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Noise measurement and analysis made on two types of domestic walking tractors prove that main noise sources are exhaust of engine, shock of control levers,and air blast of flywheel-cooling fan. Theoretical calculation and modified design result in a considerable noise reduction of walking tractor.

本文对两类国产手扶拖拉机进行了噪声测量和分析,确认了发动机排气噪声、操纵杆件撞击噪声和飞轮冷却风扇的空气动力噪声为主要噪声源,并通过理论计算和改进设计,使整机噪声有了较大幅度的下降。

Based on the evaluation methods of the acoustic properties of an exhaust muffler, the techniques in the development of a test bed of the acoustic are presented. Besides, some problems are enumerated meriting attention in its development.

在综合当前排气消声器声学特性评价方法的基础上,介绍了排气消声器声学特性试验台的研制技术,提出了研制过程中应注意的几个问题.

In this paper the general equations and boundary condition are derived for the perforated tube elements used in the exhaust silencer of internal combustion engine. With the aid of numerical computation the transmission matrices for the perforated tube elements are set up. Their transmission losses are calculated, and their silencing of noise properties analyzed. This calculation method put forward by the authors provides a practical basis for the design of the silencer.

针对内燃机排气消声器中采用的穿孔管声学元件,建立数学模型及边界条件,用数值计算方法实现了穿孔管声学元件传递矩阵的计算。并对含有穿孔管声学元件的消声器进行传递损失计算和消声性能分析。本文提出的计算方法对指导消声器设计具有一定的实用价值。

 
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