由于燃料燃烧所造成的空气污染中的多环芳烃(PAHs)也使得报告的作者们倍感担忧。
The authors are also concerned at PAHs, airborne pollutants produced by burning fuels.
到2011年为止，因为这个超新星进入了星球消亡的新阶段，所以这环物质中心直径大约是一光年的碎片燃烧的更加强烈了。
By 2011 debris in the center of the ring, which is about a light-year in diameter, was blazing more intensely as the supernova entered a new stage of stellar demise.
多环芳烃是由煤炭、柴油、石油和汽油的燃烧释放出来的，或者如烟草这样的有机物。
PAHs are chemicals released into the air from the burning of coal, diesel, oil and gas, or other organic substances such as tobacco.
制备食品时的烟熏和直接干燥工序在燃烧过程中形成的部分多环芳烃可能是人类致癌物。
Parts of PAH are possible human carcinogens formed during the combustion of fuel both in the smoking and in the direct drying processes involved in the preparation of food.
在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。
You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.
随着样品容器量加大，聚氨酯的临界燃点降低，环戊烷—聚氨酯发泡塑料会发生剧烈燃烧。
The critical ignition temperature of polyurethane foam was lower as the size of the sample vessel was increased, and that the combustion of cyclopentane-polyurethane foam occurred fiercely.
窜气，基本上是被压缩的空燃混合气和燃烧后的气体的泄漏，它通过活塞环进入曲轴箱。
Blowby is basically the leakage of compressed air-fuel mixture and burned gases past the piston rings into the crankase.
在液体燃料的燃烧过程中，燃料液滴的蒸发是关键的一环。
The evaporation of fuel droplets is an important process in the combustion of liquid fuel.
她为了他，可以燃烧自己的生命，献祭魂环。
For him, she can burn your own life, sacrifice the soul link.
带领大地之环对抗燃烧军团就是你的宿命。我们需要你。你愿意接受吗？哣。
It is your destiny to lead the Earthen Ring against the Burning Legion. We need you. Do you accept this burden?
燃烧室内燃油雾场的分布状态是影响柴油机性能好环的重要因素。
Droplet distribution of the fuel spray inside a diesel combustion cham-ber has an important influence on engine performance.
研究了3233环氧树脂体系的粘度-温度关系、凝胶时间-温度关系、热力学性能、垂直燃烧性能和力学性能。
The relations of viscosity vs. temperature and gel time vs. temperature of 3233 epoxy resin system are studied.
介绍了环式焙烧炉天然气供气监控系统、燃烧架的结构与功能及加热炉室温度控制过程。
The natural gas supply control system, structure and function of burning frame as well as temperature control procedure of furnace of the annular baking furnace are introduced.
火焰面数据库的建立是改进火焰面模型的重要一环，具体来说包括提高火焰燃烧状态数据的精确性和完备性，以及熄火极限的准确把握。
The building of flamelet database is very important a step in improving flamelet model. It includes improving the exactness and completeness of combustion states as well as extinction limit capturing.
结果显示，混合塑料燃烧时，多环芳烃排放总量要比单组分燃烧多环芳烃量加权平均后的水平低；
Test results show that the total PAH emitted by burning a multicomponent plastic mixture is lower than the weighted mean, obtained for the individual components.
研究了两种燃烧方式煤燃烧过程中金属铜的添加对多环芳烃生成的影响。
The influence of copper on PAHs formation from coal combustion under two different combustion condition was studied.
本文将对煤燃烧过程多环芳烃生成机理和高温控制进行研究，并得到了一些有价值的结论。
The study in this paper was focused on the emission and control of PAHs from coal burning, which was generally thought as one of key components of air pollution.
环向径向射流对燃烧室火焰筒内的流场有着重要的影响。
The annular multi-hole radial jets have important effect on combustor liner.
在对沸腾燃烧锅炉动态特性进行分析的基础上，设计了一种简便的模型，参考自适应SPC双环选择性系统。
On the basis of an analysis of fluidized-bed boiler dynamic performance the authors have designed a simplified model after consulting a self-adaptive SPC dual-ring selective system.
在非采暖季机动车尾气排放的贡献率为70%，在采暖季贡献率为50%，煤的燃烧对六环化合物的贡献高于机动车排放的贡献。
The exhausts contribution in no-heating season was 70% and 50% in heating season; but the 6 ring compounds distribution from coal combustion was higher than that from the exhausts.
叙述了压气机静子蜂窝封严扇形段和燃烧室前封严环组件的结构特点，对蜂窝组件的修理过程进行了研究。
Characteristics of honeycomb structures of compressor stator and combustion chamber are narrated and studied also for their repairing processes.
多环芳烃是一组化学物质，他们是由未经完全燃烧的煤。油和气。垃圾。或是其它有机物质形成的。
PAHs are a group of chemicals that are formed the incomplete burning of coal, oil and gas, garbage, or other organic substances.
复合热障涂层是有用的燃气轮机部件，如密封环段，叶片部分罩，转换和燃烧室。
The composite thermal barrier coating is useful on combustion turbine components such as ring seal segments, vane segment shrouds, transitions and combustors.
广东科龙集团无氟生产线中的预混站是使用环戊烷危险物品配制发泡剂的重大危险源，燃烧爆炸事故风险较大。
Because cyclopentane is a flammable and explosive substance, the station with large quantity of it belongs to major hazard installation.
当可燃混合气压缩时，气环密封可燃混合气；当可燃混合气燃烧时气环可阻止所产生的压力不外溢。
The compression rings seal in the air-fuel mixture as it is compressed and also the combustion pressures as the mixture Burns.
我们在进行某一环形燃烧室扇形形试验件的试验研究时，用热电偶测量了燃烧室内的温度分布。
In tests of combustor heat loss arises from radiation in measuring tempera-ture with a thermocouple.
结果表明，乌鲁木齐市新市区大气中由于汽车尾气排放和煤的燃烧造成的多环芳烃污染均存在。
The result showed that the major source of 16 PAHs in Urumqi Xinshi district was coal_bustion and vehicle discharges.
结果表明，乌鲁木齐市新市区大气中由于汽车尾气排放和煤的燃烧造成的多环芳烃污染均存在。
The result showed that the major source of 16 PAHs in Urumqi Xinshi district was coal_bustion and vehicle discharges.
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