The working principle of the system is: DPF filters the particulate matter (PM) in diesel engine exhaust, to make emission up to certain standard.
系统工作原理是：DPF过滤柴油机排气中的颗粒物（PM），从而使排放达到相应的标准。
In order to get fuel saving and exhaust gas emission data of emulsionized Diesel oil made up with different mixing ratio, rig test of Diesel engine is performed.
为了得到按不同比例配制的乳化柴油的节油和废气排放数据，进行了柴油机台架试验。
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.
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。
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。
The test results show that, without obvious increase of volumetric efficiency, this system is able to make obvious change to the exhaust gas emission of diesel engine.
试验结果表明，该系统在不影响进气充量系数的情况下，对柴油机有害气体排放量影响显著。
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.
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。
The results of matching some diesel engines indicate that the pump P7100 with top clearance plunger could meet power and exhaust emission requirements of this engine.
与某柴油机配试结果表明，带顶隙柱塞的P7100喷油泵能够满足其功率和排放要求。
In this paper, the study on exhaust emission from 2-stroke, 4-stroke gasoline engine and diesel engine, burning methanol-gasoline blend fuel and M100 methanol fuel has been reported.
本文主要报导了在二冲程、四冲程汽油机及柴油机上燃用甲醇-汽油混合燃料、M _(100)甲醇燃料的发动机尾气排放方面所做的研究，并与燃用汽油、柴油的尾气排放进行了对照。
In this paper, the study on exhaust emission from 2-stroke, 4-stroke gasoline engine and diesel engine, burning methanol-gasoline blend fuel and M100 methanol fuel has been reported.
本文主要报导了在二冲程、四冲程汽油机及柴油机上燃用甲醇-汽油混合燃料、M _(100)甲醇燃料的发动机尾气排放方面所做的研究，并与燃用汽油、柴油的尾气排放进行了对照。
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