Based on the producing mechanism analysis of unburned hydrocarbon emission exhausted by gasoline engines,and the actual detected HC emission sample data of a given type passenger cars on idle condition,the statistical laws of HC emission have been researched,the distribution function and the distribution density function models used to describe these laws have been established too.
基于乘用车汽油发动机未燃碳氢化合物排放产生机理分析,根据某型乘用车怠速HC排放实测样本数据,分析并研究了HC排放的统计规律,建立了描述这种统计规律的分布函数与分布密度函数数学模型。
Reconstruction Design of End Face Spiral Oil Bath Special Lathe;
端面螺旋油槽专用车床的技术改造
This paper introduces the design scheme to transform the common lathe of C6140 into the rub flat end face spiral oil trough special lathe.
介绍了将C6140普通车床改造成摩擦片端面螺旋油槽专用车床的设计方案,通过技术改造使长期闲置的旧设备发挥了新的作用,即满足了生产需要,又节省了资金,取得良好效果。
The information on the present status and development trend of farm transport vehicles & apparatus and diesel engine oil, gear oil in southwest areas of China is introduced.
介绍农用车的设计、改装、使用状况和内燃机燃料的情况,分析农用车所用的内燃油生产、市场状况,通过实验详细的分析,认为目前使用的柴油机油不适合农用柴油机。
The working atmosphere of mine vehicles is very bad.
矿用车辆的工作环境非常恶劣,如果悬架系统不好,不仅会产生舒适性的问题,更重要的是造成车辆的损坏,道路的破坏,甚至酿成事故。