Besides, exhaust emission from cars and buses has made the situation even worse.
除此之外，从汽车和公共汽车的废气排放也使得情况更糟。
Exhaust emission of vehicle engines is one of the primary air pollution sources.
车用内燃机的废气排放是大气污染的主要污染源之一。
The oxygen sensor is widely used on modern cars is one of the sensors, the normal operation of the engine and exhaust emission control plays a vital role.
氧传感器是现代轿车上应用广泛的传感器之一，对发动机的正常工作和尾气排放控制起着至关重要的作用。
In this paper, a new type of measurement method is presented. Based on the method an on-board vehicle exhaust emission test system is developed.
本论文提出一种新的测试方法，并在此方法上研制出基于车载式的汽车尾气排放测试系统。
How raise the fuel economy and lower exhaust emission that is one of the important topics to vehicle industry currently.
如何提高汽车的燃油经济性和降低汽车的尾气排放是目前汽车工业急需解决的重要课题之一。
The automotive exhaust emission will do harm to people's health and destroy the ecological balance.
机动车尾气排放不仅危害人们身体健康，同时也破坏了生态环境。
It increases the temperature and fuel consume reduces at above 20%, accordingly decreases exhaust emission and circumstance pollution.
采用该项技术后提高了炉温，燃料消耗降低20%以上，减少废气排放量，降低污染。
With the constantly increasing of output of engines and the more stringent exhaust emission regulations, it is necessary to measure the combustion flame temperature of the engines.
在发动机的不断强化和对排放日益严格的限制下，有必要对燃烧过程的火焰温度进行测试。
A technology of infrared spectroscopy diagnoses is introduced for the flame temperature and species concentration of exhaust emission of vehicles.
提出了红外光谱诊断技术用于诊断汽车废气排放物的温度和组分浓度。
It is very necessary to control automotive exhaust emission for the protection of atmosphere environment that mankind relies for existence.
为保护人类赖以生存的大气环境，必须严格控制汽车废气排放。
To formulate an adaptable motor vehicle exhaust emission standard is one of the important events of air pollution control according to domestic and foreign experience.
根据国内外经验，制订合适的汽车废气排放标准是控制大气污染措施之一。
The paper presents in detail the national standard of motor vehicle gasolene engine idling exhaust emission pollutant, test method and method of idling regulation under different conditions.
对汽油车怠速污染物排放的国家标准，检测的方法以及不同情况下的怠速调整方法进行了详细地介绍。
Thus there must be a big discrepancy in the exhaust emission testing data.
因此在废气数据的测试中存在较大的误差。
On the basis of keeping the exhaust emission and economy performance, the engine power is improved from 80% to 95% of that one's running on the gasoline fuel.
在保持天然气汽车良好排放性与燃料经济性的情况下，使天然气发动机的功率由原来不足汽油发动机功率的80 %提高到95 %以上。
The exhaust emission of diesel engines for HD & MD vehicle has become the main controlled aim of reducing vehicle emissions.
中重型车用柴油机排放已成为降低车辆排放的主要控制目标。
With more and more strict exhaust emission standard in recent years, the motorcycle which can not be up to the emission standard will not be launched.
随着国家对大气环境治理力度的加大，摩托车排放法规会逐年加严，达不到排放法规要求的摩托车将不允许投放市场。
Its main pollution sources were industrial dust, smoke dust, exhaust emission and construction and traffic dust.
其主要污染源为工业粉尘、烟尘，机动车排放的尾气，建筑施工及道路交通产生的尘污染。
Catalyst convertor may effectively reduce harmful exhaust emission, which is broadly used on motor vehicle.
催化转化器可以有效地减少汽车有害物的排放，在汽车上得到广泛的应用。
Through close loop control by an oxygen sensor, the actual air-fuel ratio is controlled to the ideal air-fuel ratio and the exhaust emission is reduced by a three unique catalytic converter.
利用氧传感器实现闭环控制，将实际空燃比控制在理论空燃比附近，从而通过三元催化剂控制排放。
The LVCD is an equipment for testing vehicle oil economy, power performance, engine exhaust emission appraisal and analysis, reliability and some specific items of vehicle power train.
大型底盘测功机是在室内完成汽车经济性试验、动力性试验、排放性能评价与分析、可靠性试验以及与车辆传动系有关的专项试验等所必需的大型设备。
The article introduces the principle and structure of the new exhaust emission devise on diesel vehicle which USES low temperature plasma in conjunction with catalyzer.
介绍了低温等离子体与催化剂协同降低柴油机排气新装置的原理与结构。
With the ever-stringent vehicles exhaust emission standard and higher requirements on economics, more de-mand have been put forward on the technology of optimization and calibration.
随着汽车排放法规的日益严格，同时对经济性的要求越来越高，对电控发动机的优化标定技术提出了更高的要求。
Some measures to reduce and control the transient exhaust emission of vehicle diesel engines and the results were also introduced.
文中还讨论了控制和降低车用柴油机瞬态工况排放的一些措施及其效果。
The European exhaust emission limits and exhaust emission characters of light duty diesel vehicles were introduced in this paper.
本文介绍了轻型柴油车的欧洲排放标准及尾气排放特点，综述了轻型柴油车氧化催化剂技术的研究和开发进展。
A micro - computer controlled atmosphere - simulating system has been used to study the exhaust emission characteristics of diesel engine running in different altitude regions.
采用微机控制的大气模拟综合测控系统深入研究了柴油机运行在不同海拔地区的排放特性。
This study investigated the coating technology of the catalyst for MC exhaust emission purification. The advanced coating technology on metal honeycomb substrates have been established.
通过对摩托车排气净化催化剂涂层组份和涂层工艺的研究，提出了新的金属蜂窝载体涂覆工艺。
The relationship between olefin content in gasoline and exhaust emission of gasoline engine is discussed.
讨论了汽油中的烯烃与发动机排放之间的关系。
In this paper, the influence on the car performances of the power, fuel economy and exhaust emission by far-infrared ray activating petrolic molecules is studied.
本文研究远红外线活化汽油分子后对汽车动力性、燃油经济性和排放污染物的影响。
In this paper, the influence on the car performances of the power, fuel economy and exhaust emission by far-infrared ray activating petrolic molecules is studied.
本文研究远红外线活化汽油分子后对汽车动力性、燃油经济性和排放污染物的影响。
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