查询词典 excess

As the excess coefficient of reducing agent increasing, the percent reduction of strontia increases, but the tendency of increasing is more and more weak.

但是，在实际生产中还应该考虑原材料的价格、设备的使用率等因素对氧化锶的还原率和经济效益的多方面影响，才能具体确定最佳工艺条件。

With the help of this model, the influence of engines capability by some parameters such as compression ratio、coefficient of excess air and ignition timing can be estimated, and the influence factor was analyzed in this paper.

本文利用该模型预测了压缩比、过量空气系数、点火提前角等参数对发动机性能的影响并分析了这些参数对发动机性能产生影响的原因。

Through testing the effects of temperature, time and so on, better parameters of roasting reduction method can be shown as follows: excess coefficient of carbon 0.8-0.9, reduction temperature 1 150℃, reduction time 50 min.

通过考察温度、时间等工艺因数的影响，得到了焙烧还原法合理工艺条件：碳过量系数为0.8-0.9、还原温度1150℃、还原时间50min。

Through theoretical calculations and practical measurements an analysis and demonstrative reasoning were conducted of the excess air coefficient of a heat supply boiler, which has led to the increase in heat supply energy consumption.

通过理论计算和实际测试，对供热锅炉的空气过量系数导致供热能耗增加进行了分析、论证，得出了供热锅炉在实际运行中的空气过量系数增加是导致供热能耗上升的结论，并对供热锅炉的空气过量系数增大原因进行分析。

Through experiments of excess air coefficient on the PC combustion in stove, it is concluded that it is no use to add too much air at the beginning of free-oil ignition of PC.

本文通过研究过量空气系数对炉内火焰的影响规律，指出在煤粉无油点火初期不宜补充大量二次风。

Tacking burning fuel oil as an example, the impacts of excess air coefficient a on the thermal efficiency and the corrosion of furnace tubes in tubular furnaces were discussed in this paper.

以燃烧燃料油为例，讨论了过剩空气系数α对管式加热炉热效率和炉管腐蚀的影响，并从设计、操作等方面针对这些影响提出了一些建议。

Based on the quasi-dimension combustion model, the emission model is set up in this dissertation. The NO emissions in different conditions of LPG engine can be simulated and calculated by the model. The calculated results show that the NO emissions are larger influenced by ignition timing and less influenced by compression ratio, finally, choosing a right coefficient of excess air will have great effect to reduce NO emissions.

本文在建立的准维燃烧模型基础上建立了排放生成模型，利用该模型对液化石油气发动机在变参数情况下NO的排放生成情况进行了模拟计算，计算结果表明点火提前角对NO的生成影响较大，压缩比对NO的生成影响较小，而选择合适的过量空气系数更是对降低NO的生成起着关键作用。

At the same time, when diesel runs in different altitude, because air density becomes different, the coefficient of excess of air has also been changed, so the work characteristic of diesel alters.

同时，柴油机运行在不同海拔下，由于进气密度不同，导致过量空气系数改变，从而其工作性能发生改变。

Following optimal operation conditions are found through orthogonal tests: the excess coefficient of added precipitator 1.2~1.3, the pH value at the reaction end 3~4, the reaction time 30min and the reaction temperature 50℃.

通过正交实验，找出了从提取草酸的优化操作工艺条件：沉淀剂的加入过量系数为1.2~1.3，反应终点pH值3~4，反应时间30min，反应温度50℃。

The experiment results showed that:in acid pickling process, when reaction temperature is 100℃, the leaching time is 2.5h, mixing speed is 400r/min, the sulfuric acid density of solution is 45% and excess coefficient of sulfuric acid is 1.5, recovery rate of iron from hematite is 82.3%.

实验表明：在酸浸过程中，当反应的温度为100℃，浸出时间为2.5h，搅拌转速为400r/min，溶液硫酸浓度为45%，硫酸过量系数为1.5时，对铁矿中铁回收率可达82.3%。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。