查询词典 combustion engine

Secondly the estimation of power spectrum of flame signal was made, and it was found to be able to reflect the stability of combustion state, which meaned that when the results of estimation of power spectrum showed that the frequency range in which the signal had certain value of energy became wider, and the peak value became larger, the extent of combustion stability became worse.

本文首次将色度学的原理引入到煤粉火焰颜色定量研究中来，试验研究发现，火焰的色度坐标可以反映火焰中风煤配比的变化：当色度坐标变小时，对应于风煤比变大，并且色度坐标对贫燃火焰反应敏感。据此可用来监视燃烧火焰中风煤配比是否失调。

For coal-fired boilers: coal rate of 8 ~ 20%; clear coking coal-fired system 50 ~ 95%; to reduce sulfur emissions 20 ~ 30%; to reduce harmful gas emissions 50 to 95 percent; firepower improve about 20%; lower value of about 14% of spontaneous combustion, and life brought about by the extension of the boiler to reduce the repair cycle of the furnace, flue, heating surface, such as equipment maintenance Qing Jiao role in enhancing the stability of combustion, reducing harmful gas emissions and other benefits.

对于燃煤锅炉：节煤率为8～20％；清除燃煤系统结焦50～95％；降低硫排放20～30％；降低有害气体排放50～95％；火力提高20％左右；降低自燃值14％左右，并带来延长锅炉使用寿命，减少维修周期，对炉膛、烟道、受热面等设备具有清焦保养作用，提高燃烧的稳定性，减少有害气体的排放等效益。

Air for combustion is drawn into the battery heating system,where it is heated by passing through flues in which gas was earlier burnt, then the preheated air is introduced into individual heating flues to support combustion of gas provided through jets.

燃烧所需的空气被引入焦化设备的加热系统，并使其通过其中已有燃烧着的煤气的烟道而被加热。然后，预热过的空气被导入各个加热烟道以维持由入口喷出的煤气的燃烧。

Based on it,three dimensional numerical simulation of Natural Gas Rebuming is carried out.With the typical tangentially fired boilers in China as research object,it is set up that the pulverized coal combustion models and the NOx models.Through CFD method,the combustion process is simulated.All of these will promote the engineering applications of fuel reburning technology.

在此基础上，对燃煤锅炉的天然气再燃过程进行了系统的三维数值模拟，以我国典型的四角切圆煤粉锅炉为研究对象，建立了煤粉扩散燃烧和污染物NOx生成-还原模型，采用计算流体力学方法，模拟其燃烧过程，促进了再燃低NOx技术应用的推广。

The poly-generation process,which combined the CFB combustion and coal pyrolysis is one of the effective coal utilization means in our country.This process is based on CFB,and combined combustion with pyrolysis.It make the combined produce of heat,electricity,gas and tar in a system become reality.This paper summarized the research situation about solid heat carrier coal pyrolysis based on CFB.

循环流化床燃烧/煤热解多联供技术是我国煤资源的有效利用方式之一，该工艺过程是以CFB为基础，集燃烧和热解工艺于一体，实现了热、电、气、油在一套系统中的联合生产，同时对基于CFB的固体热载体煤热解工艺的研究状况进行了综述。

An experiment was conducted to measure the carbonaceous gas CO2, CO, C(subscript xH released from 22 types of fuels (9 species of arbors, 7 species of bushes and 6 species of herbages) in Daxing'an Mountain during the combustion process sing the method of field investigation combined with indoor combustion environment control. The emission factors of different gases were calculated.

采用外业调查和室内控制环境实验相结合的方法，对黑龙江省大兴安岭地区22种（9种乔木、7种灌木和6种草本）可燃物类型燃烧过程中释放的含碳气体CO2、CO、C(下标 xH进行了测定，并计算了不同气体的排放因子。

The stoichiometric ratio of air tomethane for idealised combustion is 9.52:1, with the basic combustion reaction

空气与燃料之间的最佳混合比率为9.52：1，反应方程式如下

On the basis of referring the foreign and domestic literatures and systematically generalizing the former research results, firstly, from the adsorption gas, coal spontaneous combustion and the heat resolves, thesis analyzes the ignitable gas occurrence. Secondly, though the experiment station of coal spontaneous combustion, thesis obtains the critical temperature 60 ℃～ 100 ℃, splits temperature 100℃～ 150 ℃, the fission temperature 150℃～ 180 ℃ and the speed-up temperature 210℃～ 250 ℃ and ignitable gas release rules in the several temperatures sections according to the results. Finally according to fire resource and the catastrophe theory, ignitable gas explosion characteristic and the influence factors have been conducted of the qualitative investigation and the quantitative determination. The gas explosion control technologies are put forward. It has built the certain foundation for the effective prevention gas explosion accident occurrence.

本论文采用理论分析和实验模拟相结合的综合研究方法，首先从煤层吸附瓦斯、煤氧复合过程及煤高温热解三方面对采空区可燃性气体的产生进行分析；其次通过对大型煤自然发火实验测试台的应用，根据实验结果得到临界温度60℃～100℃、干裂温度100℃～150℃、裂变温度150℃～180℃和增速温度210℃～250℃等几个温度段的可燃性气体释放规律；最后根据爆炸引火源，结合瓦斯爆炸流变-突变理论，对可燃性气体爆炸特性及影响因素进行了定性研究和定量测定，提出瓦斯爆炸事故的控制对策，为有效预防瓦斯爆炸事故的发生打下了一定的基础。

Homogeneous charge compression ignition combustion is gradually becoming a new combustion mode. However, it is still confronted with problems in real-time control and control system.

均质压缩燃烧是一种新的燃烧方式，要实现对HCCI发动机的实时控制还很困难。

The homogeneous charge compression ignition combustion mode is becoming a hot research for internal combustion engines.

均质压燃是目前发动机领域的研究热点之一。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。