美国交通部正着手鼓励在交通沿线兴建设施，并延伸公交巴士，地铁以及自行车的行车路线，以及降低废气排放。
The DoT is already encouraging plans to build housing near transport, expand access to buses, subways and bicycles, and reduce emissions in the process.
不过，有技术人员说，单独地采用EGR技术并不能达到降低废气排放的目的，还必须配合中冷技术一起使用。
However, technical personnel, by an EGR technology alone does not to reduce emissions, but also must cooperate inter-cooled technology are used together.
这样通过调节电磁阀就可以实现发动机在不同工况下有最佳的供油提前角与之匹配，从而达到改善发动机经济性和动力性并降低废气排放之目的。
That the optimum fuel injection timing corresponding to one operating mode of engine is determined by adjusting the solenoid valve can improve economy and power, and lower the emissions of engine.
简要介绍了一种新型的汽油机的稀薄燃烧系统，可以有效地降低燃油消耗率和废气排放。
This paper briefly introduces a new lean combustion system which can effectively reduce fuel consumption rate and exhaust emissions.
阐述了降低排放的关键技术，包括缸内控制、废气再循环、可变涡轮增压、4气阀、共轨和排气后处理技术。
The key technologies to lower the exhaust emission, included the in-cylinder control, exhaust gas recirculation, variable geometry turbo, 4-valve, common rail and after-treatment are presented.
针对增压直喷柴油机，开展了应用废气再循环（EGR）技术降低氮氧化物（NOx）排放的研究。
The technology of exhaust gas recirculation (EGR) has been researched in a turbocharged direct-injected diesel engine in order to reduce Nitrogen Oxides (NOX) emission.
为了满足日益严格的排放标准，有必要采取有效的措施来降低非道路用柴油机的废气排放。
To satisfy the more and more strict emission criterion, it is necessary to take measures to reduce the exhaust emissions of non-road diesel engine.
本新工艺大幅降低了生产成本，提高了经济效益，同时大大减少了废气和废渣的排放，保护了环境。
The new process significantly reduces the production cost, improve economic efficiency, while significantly reducing emissions of waste gas and waste residue to protect the environment.
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。
It increases the temperature and fuel consume reduces at above 20%, accordingly decreases exhaust emission and circumstance pollution.
在汽油机的燃烧过程中加入部分的氢气进行燃烧，可对发动机的性能改善和废气排放物的降低起到良好作用。
During the combustion process of gasoline engine, adding some hydrogen partly has good effect on improvement of gasoline engine performance and reduction of exhaust emissions.
排气流过三元催化器时，废气中多余的氢气和氮氧化物发生氧化还原反应，进一步降低排放。
When exhaust flow flows through a three-way catalyst, redundant hydrogen and nitrogen oxides in waste gas are subjected to oxidation-reduction reaction to further reduce discharge.
验证了该燃料不仅节约能源，而且减少了废气排放中的CO、HC污染物，并降低了噪声。
The fuel an conserve energy, reduce the concentration of co, HC of exhaust emissions and the noise emission, so the environmental condition is improved.
发动机密封性降低，会造成发动机经济性、动力性下降及废气排放指标恶化，因此对各缸压缩压力的检测具有重要意义。
The lowering hermetical state of an engine will not only cause economy and power coastdown, but also worsen the emission evaluating indicators of exhaust gas.
试验结果表明，EGR结合EGC技术在降低柴油机的废气排放方面具有很大突破。
According to the results of the experiments, it has proved that EGR with EGC system can perform a great aspect at reducing diesel emission considerably.
介绍了世界海事组织关于船舶柴油机废气排放的有关规定和降低排放的技术措施。
An introduction of the IMO convention concerning the emission of Marine diesel is made.
又由于烟道废气大部份处于循环利用状态，从而降低了废气排放导致的空气污染，同时避免了废气排放导致的热能损失，可有效提高炉窑的热效率。
The circular utilization of the flue gas can lower the air pollution caused by the waste gas exhaust and raise the heat efficiency of furnace and kiln.
又由于烟道废气大部份处于循环利用状态，从而降低了废气排放导致的空气污染，同时避免了废气排放导致的热能损失，可有效提高炉窑的热效率。
The circular utilization of the flue gas can lower the air pollution caused by the waste gas exhaust and raise the heat efficiency of furnace and kiln.
应用推荐