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。
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.
太阳能电动车由于无有害排放物以及利用太阳能驱动，被称为“未来汽车”。
Solar car is considered as "future car" because of its no harmful emission and driven by solar energy.
为了减少有害排放物和降低能耗，世界各国都在积极开发新能源，寻找代用燃料。
In order to reduce baneful emission and save energy, many countries are actively developing new energy technology and searching for alternative fuel.
内燃机模式的工作原理与普通四冲程内燃机相同，因此不可避免的也会产生有害排放物。
The operating principle of internal-combustion engine mode is similar to the four-stroke internal combustion engine, so it will inevitably produce harmful emissions.
本文对发动机的有害排放物的形成及其危害做了分析，深入研究了发动机排烟的生成机理与影响因素。
This paper analyzed the form of deleterious emissions and their harms. Then the paper did deep research in the inborn mechanism and affected factors of the smoke from engines.
论述汽车有害排放物的危害、生成机理与控制技术 ，就宁波市控制汽车排气污染问题提出若干建议 。
The paper analysed the gravity and harmfulness of motor vehicle exhaust pollution from airborne pollution condition and proposed relative countermeasure.
为了更好的配合法规标准的实施，需要各种检测仪器来对发动机的各种有害排放物进行严格的检测和控制。
Assorting with the actualization of statutes and standards, all kinds of testing instruments are applied to test and control deleterious emissions from engines strictly.
虽然近年来机动车排放的有害污染物大幅减少，但机动车的数量一直在稳步增加。
Although recent years have seen substantial reductions in noxious pollutants from individual motor vehicles, the number of such vehicles has been steadily increasing.
许多有害的或者有争议的污染物也未计算在内——比如说二氧化碳和小颗粒排放，或者其污染数据未公之于众——比如说臭氧层的破坏程度。
Many harmful or controversial forms of pollution are either not measured - as is the case for carbon dioxide and small particle emissions - or the data is not made public, as is the case for ozone.
例如，过去，劝说美国企业限制使用有害化学物质和排放污染物，是极为困难的。
For example, it had proved extremely difficult to persuade American businesses to cut down on the use of harmful chemicals and their release into the environment.
催化转化器能减少汽车排放物中的有害成分，是目前最有效的汽车排放控制装备。
Presently, catalytic converter is the most effective equipment to emission control, which can reduce harmful ingredient of automobile emission.
原有的碱性氰化物镀锌工艺存在有毒有害物质排放及对人体的伤害，被国家强制限制。
Conventional alkaline cyanide zinc plating process was compulsively restricted for its emission of toxic and hurtful substances and harm to the environment and human being.
铜及其化合物是对人体健康产生长远影响的有害金属，含铜废水在排放水体前必须进行治理。
Copper is one of pernicious metals that come into being longer effect to people's health, along with its compounds. The wastewater contained copper should be treated before draining off to water body.
多年来这家工厂的有害化学物不断排放到这个湖里。
For years poisonous chemicals from this factory keeps feeding into the lake.
对煤燃烧过程中氮氧化物的前驱体、有害痕量元素及亚微米颗粒物的排放与控制进行了系统的研究。
A systematic study on emissions and control of nitrogen oxide, toxic trace elements and submicrometer particles during coal combustion was conducted.
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。
Catalyst convertor may effectively reduce harmful exhaust emission, which is broadly used on motor vehicle.
当前我国空气污染问题日益严峻，汽车排放有害污染物是污染的重要来源。
Now the pollution become more serious, the exhaust of the car is the main source.
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。
Catalytic converter can effectively reduce the harmful exhaust emission, and is widely used on motor vehicle.
有毒有害空气污染物的环境影响是国内外研究的热点，而机动车排放是其重要源之一。
Studying the environmental effects of toxic air pollutants is currently very important in the world.
有毒有害空气污染物的环境影响是国内外研究的热点，而机动车排放是其重要源之一。
Studying the environmental effects of toxic air pollutants is currently very important in the world.
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