最后，石油及其产品的提炼和燃烧过程会造成空气污染。
Finally, the refining and burning of petroleum and its products can cause air pollution.
高硫煤燃烧过程中的二氧化硫的排放是受到法律限制的。
The emission of sulfur dioxide when high-sulfur coal is burned is restricted by law.
所有易燃材料均含有在燃烧过程中释放的发火物质，使“去表皮化的”物质保持其“真正”的杯状形式。
All flammable materials contain phlogiston that is liberated in burning, leaving the "dephlogisticated" substance in its "true" calx form.
燃烧噪声识别是声诊断燃烧过程的关键。
The discernment of combustion noise is the key to diagnosing combustion process.
简要地分析了煤气混合气表面燃烧过程的控制要素。
Control factors in surface combustion process of gas-air mixture are briefly analyzed.
燃烧过程的实时准确诊断及其性能控制，意义重大。
It is of great importance to diagnose and control combustion process in real time.
本文从另一个侧面、即在频域上对燃烧过程进行研究。
This paper does this from another side, in the frequency region.
柴油机燃烧过程是一个十分复杂而多变的物理、化学过程。
The diesel engine combustion is a physical and chemic process which is complex and changeable.
控制大气污染的重要手段之一是对燃烧过程加以优化控制。
One of important means in atmospheric pollution control is optimization control for combustion process.
火花塞离子电流信号携带着丰富的发动机燃烧过程的信息。
The spark plug ion current signal carries along rich information about the engine combustion process.
燃烧过程释放CO2，来自森林的木材是绿色燃料，森林吸收CO2。
Assuming it comes from properly managed forests, however, wood is a green fuel because the CO2 released when it gets burned will be sucked from the air by the trees planted to replace the felled ones.
在质量燃烧率的计算中，直接反映了紊流对燃烧过程的影响。
The calculation of mass combustion rate directly reflects the effects of turbulent on combustion.
上述介绍了一套完整的信息是必要的，以便确定完成燃烧过程。
The above describes a complete set of information that is necessary in order to determine the complete combustion process.
整个燃烧过程优化的目标就是减少预混合燃烧，促进扩散燃烧。
The aim of combustion process optimizing is to decrease pre-mixed burn proportion and to improve diffuse combustion.
建立了燃料液滴在高温高压空气中燃烧过程的计算模型和数值方法。
The droplet combustion model and numerical method have been established and droplet combustion process has been calculated by using it.
液体推进剂燃烧过程是相当复杂的，很难对其进行严谨的分析描述。
Liquid propellant combustion processes are quite complicated and defy precise analytical description.
工业锅炉燃烧过程可以合理简化为一个双输入双输出的多变量系统。
The burning process of industry boiler be able to simplify to be changeable system with two in-two out.
人为释放二氧化氮的主要来源是燃烧过程(供热、发电以及机动车和船舶的发动机)。
The major sources of anthropogenic emissions of NO2 are combustion processes (heating, power generation, and engines in vehicles and ships).
在内燃机燃烧过程的研究中，通常把燃烧过程在时域上展开，即制取示功图。
On the study of combustion process of internal combustion engines, the combustion process is usually studied in the time region.
研究了不同进气道和燃烧室结构(六种匹配方案)对燃烧过程和性能的影响。
The effect of different intake port and combustion chamber shape (six modifications in total) on engine combustion and performance were studied.
物质的燃烧过程和速度与物质本身特性、反应机理、所处状态、环境密切相关。
The burning course and speed of matter closely relates to its characteristics, reactive mechanism, its state and its environment.
由于燃烧过程会产生大量热量，如果发动机无法自我冷却，那么发动机会严重损坏。
With the massive amounts of heat that is generated from the combustion process, if the engine did not have a method for cooling itself, it would quickly self-destruct.
其燃烧过程产生的巨大力量的推动着活塞向下运行，带动曲轴而产生推动汽车的动力。
The combustion process pushes the piston down the cylinder with great force turning the crankshaft to provide the power to propel the vehicle.
通过分析计算，讨论了氢气对甲烷燃烧过程及着火温度、燃烧速率、燃尽时间的影响。
The effect of hydrogen on methane combustion and ignition temperature, burning rate and burnout time are discussed through analyzing the calculated results.
在发动机的不断强化和对排放日益严格的限制下，有必要对燃烧过程的火焰温度进行测试。
With the constantly increasing of output of engines and the more stringent exhaust emission regulations, it is necessary to measure the combustion flame temperature of the engines.
这些燃烧过程同样释放化学物质如甲烷、氮氧化合物、挥发性的有机化合物和一氧化碳在光照下反应形成臭氧。
These same processes also release chemicals that combine in sunlight to form ozone: methane, nitrogen oxides, volatile organic compounds, and carbon monoxide.
本文采用颗粒相连续介质-轨道模型对同轴射流渐扩式高炉氧煤燃烧器内煤粉燃烧过程进行了数值模拟。
The numerical modeling of pulverized coal combustion in an oxygen coal combustor was made by using the continuum trajectory model.
据说，这种蒸气结合汽油和氢气提高燃烧过程，为您提供更多的权力，而在同一时间可以节省燃料和珍贵的钱。
It's said that this combination of gasoline vapors and hydrogen enhances the burning process and gives you more power while at the same time saves fuel and precious money.
据说，这种蒸气结合汽油和氢气提高燃烧过程，为您提供更多的权力，而在同一时间可以节省燃料和珍贵的钱。
It's said that this combination of gasoline vapors and hydrogen enhances the burning process and gives you more power while at the same time saves fuel and precious money.
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