查询词典 in excess of

A method of determining appropriate light intensities for saving energy was presented in the light of hydroxyl radicals being the primary reactants in the degradation of volatile organic compounds and an excess coefficient of light intensity was defined base on the assumption of complete utilization of excited electron-hole pairs.

分析了光催化过程中的光能损失，基于羟基自由基是降解挥发性有机物的主要氧化物种的假设提出了确定合适的光强来节约光能的方法，在假设电子空穴对完全利用的基础上定义了过量系数，并根据负载TiO2的玻璃平板反应器和泡沫镍反应器降解甲醛的实验数据确定了所需合适的光强和过量系数。

In the real bake-out process, it suggests that the air excess coefficient of burning should be controlled within 1 in order to avoid electrode being oxidized by high temperature fume; when the temperature is below 700 C, it rises slowly in temperature to bake out thoroughly and uniformly; when above 700 C, it speeds up in heating-up to reduce the electrode oxidation.

在实际焙烧过程中，为了减少高温烟气对电极的氧化，建议燃烧的空气过剩系数控制在1以下；700℃以前缓慢升温，以达到焙烧彻底、均匀的目的；在700℃以后，加快升温速度，以减少电极的氧化。

Coefficient of excess air

过量空气系数？

After taking those factors, such as stable combustion and reducing pollutant emissions into account, the following operation parameters are recommended: combustion temperature between 850℃ and 860℃, excess air coefficient of 1.35, secondary air fraction 40% and mass mixing ratio 30%.

综合考虑稳定燃烧和降低污染物排放等因素，得出一系列最佳燃烧参数。燃烧温度应该控制在850~860℃，过剩空气系数应该控制在1.35左右，二次风率应该控制在40%左右，质量掺混比应该控制在30%左右。

There are some characteristics in thermal test and calculation of boi ler burning these fuel s, such as the calculation of excess air coefficient for large content nitrogen. Fuel characteristic coefficient would be negative. Its necessary to convert fr o m heat content into volume content for the gas fuels calculation.

用这种燃料的锅炉，其热力试验和热力计算有若干特点，如高含氮量的气体燃料过量空气系数的算法，气体燃料特性系数出现负值，将给定燃料的热量份额换算成体积份额，试验中多个取样断面等。

Its emission density is measured with the five-gas analysis apparatus.It is found find out coefficient of excess air and its characteristics with loads changing,ignition timing and ...

得出了使用五气分析仪能定量地对小型通用汽油机进行排放试验研究和生产质量控制，过量空气系数及随负荷变化的过量空气系数特性、点火正时及标定转速不同是影响小型通用汽油机整机排放的主要因素的结论，给出了188F通用汽油机达到美国和欧盟现阶段排放限值同时能优化汽油机动力性、经济性和工作稳定性等综合性能的措施。

Non-road spark-ignition small engines ; emission ; coefficient of excess air ; ignition timing

小型通用汽油机；排放；过量空气系数；点火正时

It is firstly found that the NOx concentration increases rapidly when is less than 0.75, which complements the staged combustion and the rich-lean combustion that are well considered currently as low NOx combustion. It does not mean that the combustion must be the low NOx combustion when . There is a limited least value of air excess coefficient. The combustion is not the low NOx combustion when is less than the limited least value.

对目前普遍认为的分级燃烧和浓淡燃烧可以降低NO_X排放的提法给予补充，即对一次过量空气系数有一个最小值限定，不是小于1的任何值都可以，低于最小限定值将是不利的，而且一次过量空气系数有一个最佳值。

An industrial experiment were conducted to test the influence of excess air coefficient and secondary air ratio on the carbon content of fly ash of CFB boiler burning Fujian anthracite.

煤质特性及锅炉运行工况是影响飞灰含碳量的2个重要因素。福建无烟煤由于挥发分低、固定碳含量高，反应性差，难于着火和燃尽。

The effects of excess air coefficient and cylinder pressure on these spectra are also studied. The experimental resultS show that the three different combustion phases in a gasoline engine have different combustion characteristic spectra: a large number of atoms, molecules, ions and radicals which are in their excited states are existing during the ignition process, with the development of the combustion, the spectra intensities of CH, C2 radicals increase rapidly.

实验结果表明，汽油机三个不同的燃烧阶段具有不同的燃烧光谱特征：着火过程中，存在着大量的处于激发态的分子、原子、离子、自由基等活化中心的束缚态光谱，随着燃烧发展，CH、C2自由基的光谱强度明显加强；当减小过量空气系数时，光谱强度变弱并且着火延迟期增长；自由基特征光谱的光强变化曲线可以反映它们在燃烧过程中的浓度变化。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。