汽油机

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

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。

Another important reason is that the structural parameter of original gasoline engine is designed to aim at the combustibility of gasoline and it misfits the combustion of LPG.

而另一个重要原因是原汽油机的结构和参数是针对汽油的燃烧特性而设计的，并不适合于液化石油气的燃烧做功。

In this article an experiment research is carried out on a gasoline engine with different componential LPG .

为此，就汽油机燃用配比组分不同的石油液化气在台架上进行了试验，对功率、扭矩、油耗、加速、排放等主要性能进行了对比。

According to the engineering practice, the elements related to the computative model have been remaked to consider the effect of the centrifugal distributive force and blade surface force.

只要输入一个转速信息，程序就可自动加载离心分布力的作用，为高转速汽油机涡轮增压器的力学分析提供了有力的工具； 4。

To make use of the periodic distribution condition, a computative model is raised to deal with the en gineering practical boundary restrain in the light of the turbocharger characteristics.

提出了利用涡轮和叶轮沿轮周周期分布的计算模型，结合汽油机增压器的特点，给出了边界条件约束的工程实用方法，成功地使问题得到了进一步的简化，减少了数据输入量及计算工作量，综合效率得到了提高； 3。

In other words,the 3-series range will get its own version of the 5-series GT concept,BMW''s attempt to cross-pollinate an SUV and astation wagon.

纯化论者不用焦急，至少有一款六缸汽油机将会在这个减少尺寸到4缸的步履中被保留。

In this paper, the cyclic transient temperature field in cylinder head of a gasoline engine,which runs in rated conditions,is analyzed by ANSYS.

以某汽油机气缸盖为研究对象，借助有限元分析软件ANSYS，计算了标定工况下气缸盖循环瞬态温度场。

The main products including main cyclinderfor hydraulic clutch,shock absorber,working cyclinder,cam shaft,wheel,balance shaft and surpussing clutch aresupplied for famous domestic companies It is the largest motorcycle wheels production in China.

主产品汽车发动机齿轮、汽车液压离合器主缸、工作缸总成、前悬减震、小型汽油机凸轮轴、齿轮、平衡轴、摩托车链轮、超越离合器等广泛为国内知名集团公司配套。本公司是全国最大的摩托车链轮生产基地。

The company has advanced production equipment, strong technical force, the detection means complete, the company also has a professional team of design and development, design capability and can give the customer design and development of a new cylinder head, cylinder block and Universal Small Gasoline and other products.

本公司拥有先进的生产设备，技术力量雄厚，检测手段齐全，本公司还拥有专业的设计开发队伍，设计能力强，可以给所需的客户设计开发新型的气缸头、气缸体及通用小型汽油机等产品。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。