介绍了一种对气体体积分数进行数字化测量的新方法，分析了其工作原理及刻度方程线性化方法。
A new approach to measure digitally the gas volume fraction is described, and the working principle and the linearization method of scale equation are analyzed.
在一维炉上对煤粉再燃过程中烟气内主要气体体积分数随再燃区初始氧体积分数的变化规律进行了研究。
The variations of main gas volume fractions with initial oxygen volume fraction during pulverized coal reburning were investigated using a one-dimensional flame furnace.
在一维炉上对煤粉再燃过程中烟气内主要气体体积分数随再燃区初始氧体积分数的变化规律进行了研究。
The numerical simulation and experimental study on the rule of the NOx reduction in the micronized coal reburning has been done.
采用分布反馈式半导体激光器作为光源，通过光源调制实现气体体积分数的谐波检测，显著提高了检测的灵敏度。
Using DFB LD as light source, the detection sensitivity has been greatly improved by light source modulation harmonic measurement.
大气和工业污染中的其他气体分子的体积分数也可用类似方法测量。
The other gas molecule concentration such as atmosphere and industry pollution can also be measured in the similar way.
随着混合比例的增加，混合熵增加和损的变化规律相同，即先增大再减小，且在焦炉煤气体积分数约为48%处达到极大熵增加和损。
The entropy generation and the exergy loss vary similarily with the change of mixing ratio, they first increased then decreased and both reached a maximum at a fraction of COG around 48%.
通过对气体的体积分数分布的分析，可以方便快捷地预测CFD模型的分离性能。
The separation performance of the CFD model could be easily predicted by analyzing the distribution of the volume percentage of the gas.
在相同的实验条件下不同生物质气化得到了相似的气体组分，气体产物中一氧化碳体积分数大约为1%，甲烷体积分数超过10%，氢气的体积分数最高可以达41 28%；
The volume fraction of carbon monoxide in product gas is about 1%, the volume of methane is in excess of 10% and the maximal volume fraction of hydrogen reaches to 41.28%.
实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。
The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value of fuel gas were investigated through a series of experiments.
模拟结果可以直接表征反应器内的温度场、气体组分体积分数分布。
The simulation result can describe the temperature field and the distribution of volume fraction of mixed gas in methanol reforming reactor.
实验主要考察了氧的当量比和氧体积分数对气化气组成、碳转化率和气体热值的影响。
The effects of equivalence ratio and volume fraction of oxygen on gas composition, carbon conversion and low heating value (LHV) of fuel gas were investigated through a series of experiments.
当氧气体积分数大于7%以后，煤粉再燃过程不再具有脱硝效果。
When oxygen volume fraction is larger than 7%, the coal reburning process is ineffective for NOx reduction.
分析水平面与竖直面氧化空气体积分数分布，考察射流对氧化空气的扩散作用。
Analysis of the air volume fraction distribution of oxidation air of horizontal and vertical plane is used to investigate the effect of the rotary jet mixing device diffusing the oxidation air.
摘要用氧气体积分数法划分低瓦斯采空区自燃“三带”是目前在工程实践中应用最为广泛，也是最有效的方法。
Abstract: the oxygen concentration method is the most effective and most commonly used method in dividing spontaneous combustion "three zone" in low-gas goaf in engineering practice at present.
在标准大气压和空醚比为3的条件下，由二甲醚部分氧化反应得到的氢气体积分数最大，约为35%；
H2 concentration produces from DME partial oxidation reaction is the largest under atmosphere when air-to-DME ratio is about 3. The maximum is about 35%.
在标准大气压和空醚比为3的条件下，由二甲醚部分氧化反应得到的氢气体积分数最大，约为35%；
H2 concentration produces from DME partial oxidation reaction is the largest under atmosphere when air-to-DME ratio is about 3. The maximum is about 35%.
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