本文阐述了脉冲燃烧器稳定运行的概念，分析了评价脉冲燃烧质量的主要指标。
The concept of stable operation of pulse combustor is illustrated in this paper. The principal criteria of the quality of pulse combustion is also analysed.
碳氢比是合成氨生产中评价石脑油质量的一项重要指标，但经典的燃烧质量法不适应快速分析的要求。
The ratio of C/H is one of the important indexes for evaluation of the naphtha quality in ammonia synthesis. The typical burning-weighted method can not meet the industrial demand of rapid analysis.
棕矮星是一些由炽热的气体组成的球，它们缺乏像行星那样足够的质量来进行氢的燃烧。
Brown dwarfs are balls of warm gas that lack the mass necessary to fuse hydrogen at their core, as stars can.
不过大多数恒星都没有足够的质量以产生燃烧重元素所需的压力与热能，所以核聚变与热能产生过程都停止了。
But most stars are not massive enough to create the pressures and heat necessary to burn heavy elements, so fusion and heat production stop.
世卫组织正在针对家用燃料的燃烧问题起草室内空气质量新指南。
WHO is preparing new indoor air quality guidelines for household fuel combustion.
冬季当空气质量指数超过一百五十的那几天，我们禁止居民燃烧木材。
On the individual level ... on certain days in winter when the air-quality index is over 150, we prohibit residential wood-burning.
北京和其他城市尝试通过将发电厂由燃煤型转换到天然气燃烧以及推出电动公交和出租车的方式改善空气质量。
Beijing and other cities have tried to improve air quality by switching power plants from coal to natural gas and rolling out fleets of electric buses and taxis.
本文提出了预测圆筒型加热炉燃烧室内质量、动量及能量传递的二维数学模型。
A two-dimensional mathematical model has been developed to predict the transport of mass, momentum and energy in a cylindrical combustion chamber.
本文建立了以煤燃烧成灰为床料的循环流化床总体质量平衡数学模型。
The total mass balance of Circulating Fluidized bed Combustion (CFBC) with coal ash as bed inventory is studied.
特殊设计的退火炉控制系统，能提供精确和高质量的燃烧和带钢温度控制。
Special Design Control System for Annealing Furnace offer High Quality Combustion and Sheet Temperature Control.
作者通过对喷雾阴影像和直接火焰像同时成像光路的改进，大大提高了燃烧过程高速摄影照片的质量。
The author improved the optical system for simultaneously photographing the spray shadow graph and combustion flame and got high quality of high speed photographs of combustion process.
改造后的效果十分明显，克服了以上的缺点，产品质量有所提高，并在必要时进行燃烧架上两种燃料的倒换使用非常简便。
After transformation, the effect is very obvious to overcome the above drawbacks, and product quality has been upgraded, and if necessary, burning two racks fuel switching is also very simple.
利用F检验确定了不同装药密度下，质量燃烧速度以及辐射强度等没有显著性差异。
There is no obvious difference in quality combustion speed and emission intensity in the condition of different charge density by means of F test.
退火炉的燃烧控制直接决定了镀锌板质量。
Combustion Control for Annealing Furnace is direct acting the Quality of Zinc Sheet.
三聚氰胺是氨腈的三聚体。它含66%的氮（质量）并在燃烧或焦化时通过释放氮气为树脂产品提供阻燃特性。
Melamine is a trimer of cyanamide. It contains 66% nitrogen (by mass) and provides fire retardant properties to resin formulas by releasing nitrogen when burned or charred.
其传热传质过程不但影响风口前的燃烧温度和煤气分布，而且还影响炉缸内渣铁的形成和生铁质量。
Heat and mass transfer process will not only affect the combustion temperature and gas distribution before the tuyeres but also affect the slag formation and pig iron quality in cylinder furnace.
天文学家不得不寻找由大质量年轻恒星组成的星团激发的电离气体云——这是早期恒星开始燃烧、辐射并电离周围气体的信号。
Astronomers had found clusters of massive adolescent stars, in addition to clouds of charged gas - a sign that new stars are beginning to ignite and ionize surrounding gas.
在燃烧后期，约70 ~ 80%碳微粒被再次氧化，此后微粒质量浓度接近于排放水平。
The soot particles are oxidized by about 70 ~ 80% in the late combustion phase. And then, the mass concentration of particulate equals to the concentration in the tail pipe.
生物质与煤混合燃烧技术是一种洁净燃烧技术，可以有效地减轻环境污染，改善大气质量。
It is a kind of clean coal combustion technology for biomass combined with coal to be burned, which can effectively reduce environmental pollution, improve air quality.
提高混合气质量，改善汽油雾化性能，促进燃烧完全，提高利用率。
Improve the mixture quality, improved gasoline atomization performance, promote the complete combustion, improve efficiency.
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.
对钠雾火过程中涉及的液滴运动、液滴燃烧、喷雾燃烧以及质量热量传递问题进行了模拟。
The droplet motion, the droplet combustion, the spray combustion and the mass and heat transfer involved in the sodium spray fire were modeled.
论述了埋管结构对流化质量的影响，以及沸腾层燃烧份额对受热面布置的影响。
The effect of in-bed tube structure on bed fluidization as well as that of the fluid-bed combustion on heating surface arrangement is also discussed in the paper.
燃烧的渴望胜利，无情的精神，无限的能源，这些东西去品尝，因为我们期待着更多的壮观质量从一个学校的最激动人心的竞争对手珍妮。
Burning desire to win, relentless spirit, endless energy, these are something to savor, as we look forward to more spectacular quality from one of the school's most breathtaking competitor Jenny.
通过试验找出了诸因素对怠速排放污染物浓度的影响规律，如混合气质量，点火，发动机转速，冷却水温度及燃烧室表面积炭等。
These factors are mixture concentration, ignition advance Angle, engine speed, temperature of cooling water and carbon deposit on the SUrfaces of the combustion chamber, etc.
出出汗也有利于燃烧身体多余的让人烦躁不安的脂肪，同时也有利于提高睡眠质量。
Working up a sweat can also help you burn off the extra energy that causes you to feel fidgety, and it can help you sleep better at night.
回转窑燃烧器是水泥生产中重要的热工设备，其性能和操作的好坏将直接影响着熟料的产、质量。
Rotary kiln burner is an important thermal device for cement production, and its performance and manipulation will directly affect the production and quality of clinker.
进口液压泵、液压马达、燃烧器，质量可靠，性能优良。
With imported hydraulic pump and hydraulic motor and burner, it has credibility quality and high performance.
进口液压泵、液压马达、燃烧器，质量可靠，性能优良。
With imported hydraulic pump and hydraulic motor and burner, it has credibility quality and high performance.
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