燃烧中

The air motion in umbrella curtain spray combustion system for diesel engine was studied using numerical analysis with the emphasis on the evolution of in-cylinder flow field, the interactions between swirl and squish and the effects of combustion chamber configuration.

用数值分析方法研究柴油机伞帘喷雾燃烧系统中的空气运动规律，探讨了缸内流场的演变过程、涡流与挤流的相互作用和燃烧室结构的影响，并比较了该燃烧系统与原机燃烧系统中的流场。

The waste combustion in the waste bed and the impacts of the waste burning efficiency are complex. In order to solve this problem, the method of numerical simulation has been adopted to simulate waste combustion, and calculate the mass loss rate, moisture evaporation, volatile release, char burning rate. Used the total flow rate of primary air between 50～1 000 Nm3/min to calculate the mass loss, excess air coefficient of waste bed, components of the gas. Calculated results show that the burning efficiency is higher when the total flow rate of primary air is at 517.47～632.09 Nm3/min .

针对垃圾焚烧炉床层内垃圾燃烧过程复杂性及影响垃圾燃烧效率因素多的问题，运用数值仿真方法对某垃圾焚烧炉床层垃圾燃烧进行了模拟，获得了垃圾质量流失速率、水分蒸发速率、挥发分释放速率、焦炭燃烧速率和烟气的温度；并在50～1 000 Nm3/min范围内改变一次风流量，获得了床层质量流失比值、过剩空气系数和烟气中各组分的质量百分比含量。

Depending on the way in which the heat is generated in the reservoir, the thermal processes can be divided into three categories:(1) in-situ combustion,(2) steam injection, and (3) wet combustion.

p220d 译文：根据热在油藏中的产生方式，热采方法可以划分为三类：(1)就地燃烧，(3)湿燃烧湿燃烧。燃烧，(2)蒸汽注入和(3)湿燃烧。

In this paper, the characteristics of catalytic reforming reaction, coke deposition on Ni katalyst and three-dimension flow in the micro combustor premixed chamber were simulated.

因微型燃烧器内微尺度燃烧易熄火、燃烧效率不高，存在催化重整过程中的积碳、微尺度等问题，可利用甲烷和湿空气中水蒸汽预混催化重整产氢来强化燃烧，对预混腔内催化重整、积碳及流动特性进行模拟，探讨了微型预混腔中甲烷、水蒸汽重整过程中水碳比、质量流量和催化壁面温度对催化重整、积碳、流动等的影响。

So the possibility of the powder quantity excessing the furnace's limitation pressure must be noticed . In conclusion, compared with combusting biomass in the initial condition, the method of combustion biomass in powder by the circumfluence furnace can greatly improve the combustion properties and effiency.

与传统的直接燃烧未破碎的生物质相比，粉体在回流式燃烧炉中燃烧的方式改变了破碎前生物质以固相燃烧为主的性状，极大地提高了生物质的燃烧效率和能源品位。

By Using the 3 D unsteady state heat transfer equation,the heat convection and radiation between the checker and the gas which flows through the checker holes,and the heat conduction among the checker in the chamber of the hot blast stove were studied.

应用三维非稳态热量传输方程，对高炉热风炉在燃烧过程中蓄热室内格子砖与气体之间的对流和辐射传热，以及格子砖内部的导热过程进行了耦合求解得到了在燃烧期内格子砖及燃烧过程中燃烧废气的温度分布情况及其随时间的变化规

In view that the combustion efficiency and flame stability are affected by the interaction of flow and combustion, further systematical research on phenomena and mechanism of the interaction between flow and combustion in supersonic combustors is needed.

由于流动与燃烧的相互作用直接影响超声速燃烧室中的燃烧效率与燃烧稳定性，因此有必要对超声速燃烧室中流动与燃烧的相互作用现象及其机理进一步开展系统深入的研究工作。

A:The content increment of the carbon dioxide in the atmosphere: It imply various complicated composition in the fuel, at burnable after produce various harmful material, even not the fuel with miscellaneous quality attains the complete combustion, also wanting to produce the water and carbon dioxides, positive because the fuel combustion makes the carbon dioxide in the atmosphere density increased continuously, breaking the balance of the nature carbon dioxide, to go to and may cause" green house effect", cause the Earth air temperature rise.

一：大气中二氧化碳的含量增加：燃料中含有各种复杂的成分，在燃烧后产生各种有害物质，即使不含杂质的燃料达到完全燃烧，也要产生水和二氧化碳，正因为燃料燃烧使大气中的二氧化碳浓度不断增加，破坏了自然界二氧化碳的平衡，以至可能引发&温室效应&，致使地球气温上升。

At present there exit many problems on pulverized coal combustion technology, for example, poor flame stability (including for low-grade fuels and low load), low combustion efficiency, serious pollution, furnace slagging and high temperature corrosion, etc. Therefore solving these problems is very important for pulverized coal-fired utility boilers.

目前我国煤粉燃烧技术中存在的主要问题是燃烧不稳定（包括劣质煤稳燃和低负荷稳燃）、燃烧效率低、污染严重、结渣和高温腐蚀问题等，解决这些问题是煤粉锅炉安全、稳定、高效和清洁燃烧的基本保证，也是今后煤粉燃烧技术的发展方向。

To improve the safety of smoking, we have developed a Virginia type cigarette of low tar, low free radicals and rich selenium A variety of techniques were adopted in our research work These techniques include adding catalysts which can speed up the decomposition of organic compounds and reduce the products of dry distillation, applying combustion\|supporting agents to cut tobacco to raise the temperature of burning zone and accelerate the speed of combustion, combining rich selenium tobacco in cigarett...

在研制过程中，利用一系列工艺技术，如选择能够促进有机化合物裂解、减少干馏物形成的催化剂添加到卷烟烟丝中来降低焦油释放量；选择能够提高燃烧锥温度和燃烧速率的助燃剂；添加高效能的自由基捕获剂来捕获卷烟燃烧过程中产生的自由基；在叶组配方中使用一定量的富硒烟叶等。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。