• 莱茵河不断以每小时的速度,滔滔滚流,波涛起伏。

    The Rhine flowed on, swirling and eddying, at six or seven miles an hour.

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  • 首先研究汽油机滚流稀薄燃烧系统组成结构及其控制

    Firstly, this paper studies the components, structure and control of the tumble-stratification lean combustion system on GDI engine.

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  • 为什么山岳巅而下地熔岩要比本来地火山迸发愈加风险

    Why is the lava that flows on Mount more dangerous than the actual eruption?

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  • 发现四气门汽油机产生的最大轴线曲轴轴线夹角是不同

    The results show that the Angle between maxi - mum tumble axis and crank axis generated by each cylinder in a four-valve gasoline engine varies.

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  • 随着发动机转速升高,单侧进气EGR气体作用下形成分层明显

    The tumbling flows stratify of the side jet EGR is more obviously as the speed of the engine increases.

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  • 结果表明直喷汽油机具有强的性能,有利于分层混合气形成稀薄燃烧

    The results show that a rather strong tumble motion exists in this GDI engine, which is beneficial to the formation of stratified mixture and lean combustion.

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  • 通过气道试验CFD瞬态数值模拟研究4g15型直喷汽油机的进气特性

    The intake flow tumble characteristics of 4g15 GDI engine are analyzed by using both flow rig and CFD transient numerical simulation.

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  • 热线风速仪研究了缸内形成过程,发现滚流轴线水平面的夹角气门程的增大而增大。

    It is found that the Angle between tumble axis and horizontal plane increases with valve lift. The "tumble" is not a pure tumble, but is a inclined swirl.

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  • 据此建立比预测模型试验拖动工况下缸内LDA测量试验中得到验证。

    A model for predicting the tumble speed is derived and verified by the steady flow rig and the in-cylinder flow measurement results by a LDA system.

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  • 水平方向轴线方向滚流以及动能这种分布特性有利于燃油雾化以及与空气的混合

    Horizontal swirl, axial tumble and the distribution of turbulent kinetic energy are very important for fuel atomization and mixture formation.

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  • 除具有纯滚流特点S1阀片位置外,缸内气体斜轴运动强度与单边气道截面被遮住面积正比

    Lastly, the strength of inclined-axis swirl is directly proportional to the Shadowed area of the single channel except for the S1 valve position where the in-cylinder motion is only tumble.

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  • 主要利用大气中的、湿、湿垂直分布判断大气天气演变的影响预报天气转折性变化。

    The vertical profiles of pressure, temperature, humidity and wind are used to determine the influence of atmospheric roll flow on weather and to predict the turning of weather.

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  • 推荐可变压缩VCR方案、可变废气循环率(EGR)方案、可变排气门关闭时刻方案,以及废气再循环分层充气方案等。

    Schemes of variable compression ratio (VCR), variable exhaust gas recirculation (EGR), variable exhaust valve timing, and EGR with stratification by tumble charge flow are recommended.

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  • 结果表明纵向进气滚流作用压缩终了时,缸内混合气明显呈分层构造,在火花塞附近聚集较可燃混合气,实现部分负荷工况下的稀薄燃烧。

    The results indicated that, at the end of compress stroke, the mixture in cylinder was stratified and richer ignitable mixture was concentrated around the spark plug under the action of the lon...

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  • 长时间运行无法那样回不过它们可以使用补偿处理程序撤消先前执行活动

    Long-running processes can't be rolled back like micro-flows, however they can have compensation handlers to undo previously performed activities.

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  • 中介作为事务提交的。

    Mediation flows are committed as a transaction, or rolled back.

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  • 这些事务型使用的是两阶段提交之类机制这样失败时可以整个或者在成功时提交整个

    These flows are transactional, using mechanisms such as two-phase commit, so that the entire flow can be rolled back in the case of a failure, or committed in the case of success.

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  • 也许战场上铺香蕉皮,国防军就瓜尿

    Maybe by littering the battlefield with peels so the Wehrmacht would slip hilariously on them.

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  • 采用数值模拟计算方法,计算横风作用时向气动升力系数、气动横向系数力矩系数,得出各系数车辆速度风速之间的变化关系。

    Using numerical computation of fluid flow, the coefficients of vertical force, lateral force and rolling moment caused by cross-wind were calculated, which were related to train speed and wind speed.

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  • 公司具有一轴承生产设备优秀企业经营

    Our needle bearing design and making are at the domestic advanced level and of good reputation.

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  • 应用因次分析法推导出表征(隧)道火灾退距离变化规律通用无因表达式表达式包含影响退距离的火源释放速率、通风风速、巷道倾角形状等因素。

    A non-dimensional expression, which shows the general variation of the backflow distance of smoke and hot gases during a roadway or tunnel fire, was derived through dimensional analysis.

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  • 应用因次分析法推导出表征(隧)道火灾退距离变化规律通用无因表达式表达式包含影响退距离的火源释放速率、通风风速、巷道倾角形状等因素。

    A non-dimensional expression, which shows the general variation of the backflow distance of smoke and hot gases during a roadway or tunnel fire, was derived through dimensional analysis.

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