煤炭燃烧的主要缺点——也是工业城市的特色——是烟尘、粉尘、灰渣和废气以及大量的温室气体二氧化碳污染了空气。
A major disadvantage of coal combustion-and characteristic of industrial cities-has been air pollution by soot, dust, ash, exhaust and large amounts of the greenhouse gas carbon dioxide.
随着活塞现在位于下止点且所有气体已经燃烧，重要的是要在工作循环的第四个即最后一个冲程中将所有的已燃废气从气缸中排出。
With the piston now at BDC and all the gases having been burnt, it is important to remove all the burnt gases from the cylinder on the fourth and final stroke of the cycle of operations.
燃烧的废气所迸发出的火花，每到晚上就映红邯钢的夜空。
Shimmering yellow and raging red, Hangang's flare stacks burn off waste gases and inflame the night sky.
要让这个设置运行，得先把它放在废气中。做实验时，夏尔马用的是蜡烛燃烧产生的废气。
For the device to work, it first needs to be exposed to exhaust. In his demo, Sharma uses the flame of a candle.
煤、燃油和汽油燃烧时产生的废气中含有二氧化硫和二氧化氮。
The waste gases coming from burning coal, oil and petrol include sulphur dioxide and nitrogen dioxide.
在燃烧完成后废气被排出气缸。
The exhaust gas is cleared out of the cylinders after combustion is completed.
研究了甲醇燃料在有、无废气稀释情况下的燃烧特性。
This paper presented the combustion characteristics of methanol with and without exhaust gas dilution conditions.
新的可燃混合气通过进气口进入，燃烧过的废气从排气口排出。
A fresh air-fuel charge enters through the intake port, and the Burned gases exit through the exhaust port.
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.
对催化燃烧处理有机废气的基本原理、特点及经济性，以及催化剂、动力学和工艺流程等研究进展进行综述。
The principles, characteristics and economical analysis of catalytic combustion lor organic waste gases, and also the study progress of catalyst, kinetics and technical process etc were summarized.
该分析测定了炼油厂某些污染源和催化燃烧脱硫中试装置废气中挥发性硫化物组成，验证了方法的适用性。
The composition of volatile sulfide in waste gases from refinery and catalytic combustion desulfurization pilot-scale unit were analyzed, and this applicability of this method is verified.
废气材料的处理：我们将难溶难分解的材料进行燃烧。
For the waste material, we bury those dissoluble ones and burn those indissoluble ones.
经过对废气和烟度的测量表明：发动机燃用纯甲醇基本上可以实现无烟燃烧。
The measurements of exhaust emissions and smoke show that smokeless combustion can be basically realized by using pure methanol in the C. I. engine.
流向变换强制周期操作催化燃烧技术是我国引进的最新的净化含有有毒有机物废气的研究课题。
The catalytic combustion technique of the flow direction alternation is a latest research subject, which is about how to purify poisonous waste organic gas.
介绍了一种催化燃烧法治理聚丙烯腈炭纤维生产工艺中含氰废气的工艺。
A kind of catalytic combustion technology for treating the HCN-containing waste gases was introduced.
如果你去过美国的那部份地区，这就是大量燃烧及闷烧的煤废气看起来的样子。
And if you've been in that part of the country, this is what those piles of burning, smoldering coal waste look like.
在工业装置上进行了聚酯废气的催化燃烧治理试验。
A catalytic combustion co-process was applied to treat PET polyester waste gas at commercial device.
探索用催化燃烧方法处理聚酯生产工艺废气的可行性，并在生产装置上进行中试。
The feasibility of treating PET production technology waste gas with catalyst combustion method was explored.
缸内残余废气过多以及废气与新鲜空气的过度混合是小负荷时燃烧不稳定的一个主要原因。
The existence of overmuch residual exhaust gas together with its over mixing with fresh charge is one of the main causes of unstable combustion at low load.
使烟道吸力与煤气压力相适应，测量分烟道中废气的含氧量并加以校正，以保持一定的空气过剩系数，使燃烧处于最佳状态。
Gas flue suction and pressure to adapt, measuring points in the flue gas exhaust and the oxygen content to be corrected in order to maintain a certain excess air ratio, so that burning at its best.
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.
煤炭燃烧的主要缺点——也是工业城市的特色——是烟尘、粉尘、灰渣和废气以及大量的温室气体二氧化碳污染了空气。
A major disadvantage of coal combustion -and characteristic of industrial cities-has been air pollution by soot, dust, ash, exhaust and large amounts of the greenhouse gas carbon dioxide.
超静音设计，无燃烧废气、烟尘排放，热能损耗小，室温低，空气清新，厨房环境大大改善，厨师健康有保障；
With low heating efficiently and room temperature, free from noise, the burnt gas and dust, the clean, fresh kitchen environment ensures the user's health.
本发明是可用于纯化来自燃烧工艺的尾气和废气的金属氧化物催化剂的制备方法。
The invention is a method for producing a metal oxide catalyst useful for purifying exhaust gases and waste gases from combustion processes.
在废气稀释情况下，燃烧时间延长，在高初始燃烧压力时，火焰传播速度下降更明显。
At the exhaust gas dilution condition, the burning duration is extended and the flame speed drops faster at high initial pressure than at low one.
因此，柴油机的流动不仅关系到柴油机的动力性、经济性、燃烧噪音和有害废气生成，而且还直接影响到柴油机的可靠性和耐久性。
So flow in diesel engine affects dynamic performance, fuel economy, burning noise and emission formation etc, moreover directly affects reliability and durability of diesel engine.
本文首次提出了一种使废气与新鲜空气在燃烧室内分层分布的方法——废气再循环分层充气。
A new methods, EGR (exhaust gas recirculation) stratified charging, is proposed to form stratified distribution of exhaust gas and fresh charge in combustion.
工厂，交通工具和家庭燃烧燃料都释放出废气体到空气里。
Factories, vehicles and homes burn fuels that release gases into the air.
结果表明，通过调节排气门关闭正时，适当增大缸内残余废气量，可显著改善起动过程初始着火循环的着火燃烧性能和提高起动过程缸内燃烧的稳定性。
The results show that a proper increase of residual gas fraction could promote ignition and combustion stability of first firing cycle significantly during cold start.
催化燃烧法是处理消失模车间废气的有效方法。
The catalytic combustion is an effective method to purify the waste gases discharged from the lost foam shop.
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