A research program is conducted to determine the effect of advance injection angle s varieties on exhaust emission and the power performance of LPG-diesel dual-fuel engine.
对发动机燃用LPG(液化石油气)-柴油双燃料时,喷油提前角的变化对发动机有害排放物数量和动力性能的影响进行了研究。
There are many factors to affect the numerical calculation of the vehicle emission ,such as design structure,operation states,fuel specifications,test data,adjustment of calculating program,etc.
汽车有害排放物浓度数值计算，影响因素众多，有设计参数、运行参数、燃料参数、测试参数、程序的调整参数等要提高计算精度，就要抓住影响计算精度的主要因素，找出其变化规律这样，对以后有关汽车有害排放物数值计算有一定帮助，可以缩短计算时间，提高计算精度
An effective method to reduce gasoline engine emission is the application of fuel comburant additives, whose effect on the combustion processes has been analyzed in this paper.
降低汽油机主要有害排放物的有效方法之一是在其燃油中投放添加剂。
Technical Treatment Studies for Reducing Harmful Emissions from Vehicles
降低机动车有害排放的技术措施研究
Study and Design of Green Plant Purification Laboratory for Automobile Exhausts;
汽车有害排放物植物净化实验室研究设计
Study on reduction of PM and NO_x by pre-mixed methanol through intake manifold on a diesel engine;
一种降低柴油机有害排放物方法的研究
Research of Using Exhaust GAS Recirculation Technology to Reduce Nox Emissions on Automotive Lean Burn Gasoline Eegine;
降低车用稀燃汽油机有害排放物NO_X的排气再循环的研究
Study on Reducing NO_x Emissions of SI Engine with Stratified-EGR;
降低汽油机有害排放物NO_x的分层废气再循环的研究
Research on Purification of Diesel Engine Exhaust by the Non-thermal Plasma Technology and Catalyst;
低温等离子体与催化剂协同净化柴油机有害排放物的研究
Experimental Research for Reducing Exhaust Emissions of Phaser 230Ti DI Diesel Engine;
降低Phaser 230Ti增压中冷型柴油机有害排放物的试验研究
Experiment and Study on Reducing Harmful Exhaust Emissions from CY6102BZLQ TCI Diesel Engine;
降低CY6102BZLQ增压中冷型柴油机有害排放物的试验及研究
These facilities release up to one hundred tons of chemicals a year.
这些工厂一年要排放出100吨有害化学物质。
In large cities people breathe in dangerous gases from cars and chimneys.
在城市，人们吸进汽车、烟囱排放出来的有害气体。
In large cities people r=# cc0066> breathe in dangerous gases from cars and chimneys.
在城市，人们吸进汽车、囱排放出来的有害气体。
Lean burn mixture combustion of gasoline engine is an effective approach for reducing emissions and fuel consumption.
汽油机燃烧稀混合气是降低有害尾气排放、油消耗率的有效途径。
Emissions of harmful substances into the airnosphere continue unabated and look like they will get worse before they get better.
毫不节制地向大气层排放有害物质有增无减，日趋恶化。
A device that circulates fresh air and expels stale or foul air.
通风设备流通新鲜空气并排放污浊有害空气的设备
The study also examined 3,600 facilities that release more than one hundred tons of chemicals a year.
该项研究还调查了3600家每年排放有害化学物质超过100吨的工厂。
The factory has been emitting black smoke into the air, which does a lot of harm to people's health
这家工厂往空气中排放黑烟，对人们的健康有很大害处。
The Australian wild life also suffers from the cars' toxic emissions.
澳大利亚的野生动植物也遭受到汽车有毒排放物的侵害。
Influence of fuel oxygen content on engine exhaust emissions
混合燃料中含氧量对柴油机有害物质排放量的影响