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overall burning
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  相似匹配句对
     The burning "A
     火红的A字——谈霍桑在《红字》中的象征手法
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     On Overall Education
     关于素质教育的思考
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     Burning Down The House
     烧毁房屋
短句来源
     On overall cost control
     全面成本控制的探析
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     An introduction is presented of the overall layout of a 400t/d~500t/d waste burning boiler, together with its technical features.
     介绍了400t/d~500t/d垃圾焚烧锅炉的总体布置及技术特性。
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  overall burning
It is shown that during overall burning, diffusion combustion of particles occurs only for rather small values of f.
      
An incomplete, spotty burning is quite common, a poor overall burning is less frequent.
      


This eassy deals with the study for the point estimation and the fiducial upper limit estimation of the screening time in the weibull distribution, both Concluding the graphical estimation and the value estimation respectively. It deduces the equation building for determining the upper fiducial limit of the screening time. The screening time is determined for the high temperature dynamic burn-in test.It brings forward the theory basis for making the screening technology condition and the overall burn-in...

This eassy deals with the study for the point estimation and the fiducial upper limit estimation of the screening time in the weibull distribution, both Concluding the graphical estimation and the value estimation respectively. It deduces the equation building for determining the upper fiducial limit of the screening time. The screening time is determined for the high temperature dynamic burn-in test.It brings forward the theory basis for making the screening technology condition and the overall burn-in time.

本文研究在威布尔分布下筛选时间的点估计和置信上限估计,分别包括图估计和数值估计。推导了为确定筛选时间的置信上限而建立的方程式。确定了IC高温动态老化的筛选时间。为制定筛选技术条件和确定整机老练时间提供理论依据。

Effect of injection modes on combustion and emissions of gasoline direct injection stratified combustion was studied by using a rapid compression machine.The results shows that the rapid burning period remain the same value regardless of injection types when the equivalence ratio φ is smaller than 0.5 and single injector injection (S.Inj.) shows longer period than that of double injector injection (D.Inj.) when φ is larger than 0.5.Late burning period decreases with the increase of φ for D.Inj.while it...

Effect of injection modes on combustion and emissions of gasoline direct injection stratified combustion was studied by using a rapid compression machine.The results shows that the rapid burning period remain the same value regardless of injection types when the equivalence ratio φ is smaller than 0.5 and single injector injection (S.Inj.) shows longer period than that of double injector injection (D.Inj.) when φ is larger than 0.5.Late burning period decreases with the increase of φ for D.Inj.while it demonstrate an opposite trend for S.Inj.The overall burning period is independent of φ and keeps almost the same value for D.Inj.,whereas longer overall burning period occurs in S.Inj.at the large φ.D.Inj.shows higher value of maximum pressure rise due to short overall combustion duration and fast heat release.CO remains almost zero for all injection modes when φ is smaller than 0.8,and it increases steeply with φ when φ is larger than 0.8 due to the excessive stratification.Unburned hydrocarbons (UHC) increase with the increase of φ for all injection modes.NO x reaches its peak value at the range of φ from 0.6 to 0.7 for D.Inj.and from 0.3 to 0.5 for S.Inj.Injection modes do not affect CO 2 when φ is smaller than 0.8.Combustion efficiency maintains greater than 0.9 in the range of φ from 0.15 to 0.9.Little difference in combustion efficiency is observed for all injection modes.

利用快速压缩装置进行了喷射方式对直喷汽油分层燃烧的影响研究。研究结果表明 :在当量比小于 0 .5时 ,快速燃烧期保持相同的数值而与喷射方式无关 ;在当量比大于 0 .5时 ,单点喷射方式比双点喷射方式具有较长的快速燃烧期。双点喷射方式的后燃期随当量比的增加而缩短 ,而单点喷射方式的后燃期随当量比的增加而增长。双点喷射方式的燃烧持续期基本上保持一稳定值而不随当量比的改变而变化 ,单点喷射方式下较长燃烧持续期出现在大当量比区域。双点喷射方式由于燃烧持续期短和放热速率快而呈现高的压力升高值。CO在当量比小于 0 .8时具有很低的数值 ,而在当量比大于 0 .8时因强充量分层则随当量比的增加而急速上升。三种喷射方式下碳氢随当量比的增加而增加。双点喷射和单点喷射的 NOx 的最大值分别出现在 0 .6~0 .7和 0 .3~ 0 .5区域处。在当量比小于 0 .8时 ,CO2 不受喷射方式的影响。燃烧效率在当量比 0 .15~ 0 .90范围内均达到 0 .9以上而基本上不随喷射方式而改变

An Experimental study was made to explore the burning characteristics in oil tank fires and the gasoline was burned in three different sized tanks 1 m, 1.5 m and 2.7 m in diameter. Overall burning process was observed and the characteristics of each stage of fire development were analyzed. The character and structure of oil tank fires were discussed with special regard to the flame pulsation frequency, flame height, flame tilt angle due to the wind and the flame temperature distribution. Moreover,...

An Experimental study was made to explore the burning characteristics in oil tank fires and the gasoline was burned in three different sized tanks 1 m, 1.5 m and 2.7 m in diameter. Overall burning process was observed and the characteristics of each stage of fire development were analyzed. The character and structure of oil tank fires were discussed with special regard to the flame pulsation frequency, flame height, flame tilt angle due to the wind and the flame temperature distribution. Moreover, the corresponding correlations were developed for different characteristic parameters in order to discover the inherent regularity of oil tank fires and predict their trend in development.

本文通过对直径为1 m、 1.5 m和2.7 m的汽油储罐进行火灾实验,分析了汽油罐燃烧时不同阶段的燃烧特 性。本文重点讨论了描述燃烧特性的几个重要参数的变化规律,包括火焰脉动频率、火焰高度、倾斜角度以及火焰的温度 分布等,并将结果拟合为相应的实验关联式,以揭示油罐火灾的内在规律和预测其发展趋势。

 
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