查询词典 refining engine

The highly efficient Atkinson-cycle engine, made possible by the Variable Valve Timing with intelligence system, allows the expansion/power stroke to be longer than the compression stroke so that combustion energy can be more effectively used for production of engine power.

高效的阿特金森循环发动机，作出与智能可变气门正时系统，可以使扩充/动力冲程要长于压缩冲程，使燃烧的能源可以更有效地用于生产发动机力量。

Through the analysis of different cross section flow field in cylinder of two-valve and four-valve diesel engine, the following conclusion can be obtained: The formation of intake swirl of two-valve diesel engine mainly is effected by an intense air flow ring zone near the radius from valve axis to cylinder axis, as the flow progresses down through the cylinder, the ring zone air flow expends to both side and finally forms an unified rigid rotating swirl motion.

2号缸盖的螺旋进气道产生的绕自身气门轴线的动量矩比1号缸盖的大，且切向气道的径向速度在前峰面上的数值比1号缸盖的速度数值大很多，因此，两进气道组合后的动量矩损失也大，所以虽然2号缸盖的两个进气道单独的涡流比都高于1号缸盖的两个进气道，但组合后的合成涡流比却是基本相同的。

According to work piece size, characteristic and its material choice cutting specifications; Because of the thick mill diesel engine cylinder body two sides, then the jig design use "two sells the localization at the same time", Manual clamps, an attire clamps processes the diesel engine to be mad the cylinder body two sides; according to will work receives the cutting force to calculate clamps the strength; again according to clamps the strength , choose the determination clamp the special-purpose part.

由于是粗铣柴油机气缸体两侧面，则夹具的设计采用&一面两销&定位，手动夹紧，一次装夹加工柴油机气缸体的两个侧面，保证了加工精度，提高了生产效率；根据工作将受到切削力来计算夹紧力；再根据夹紧力来选择确定夹紧装置的专用部件。

At present, the advance of the diesel engine to more power and lighter weight decreases its stiffness and enhance the vibration of the components, directly affecting the working cycle of the diesel engine.

目前，柴油机正向着大功率、轻重量的方向发展，其刚度不断减小，加剧了部件的振动，直接影响了柴油机的寿命。

Acknowledge that the following practical cycles can be heat engine cycle of ideal gas, such as the internal combustion engine , Diesel cycle , Brayton cycle.

了解并掌握内燃机和燃气轮机装置的实际工作循环可抽象为理想气体的热机循环。

This study is to refit the developed closed cycle diesel engine from opened starting to closed-state starting in order that the engine can be started easily any time when it is available underwater.

本研究系针对已研发之开式启动的密闭式循环柴油引擎，改为闭式启动，以利於水下使用时可随时顺畅地启动引擎，进行发电的功用。

Maintaining engine operating at constant load and varying the argon fraction in the intake charge, the influence of argon fraction in the intake charge on the performance of a closed cycle diesel engine was studied.

恒定柴油机负载，改变混合进气中氩气的含量，分析了进气混合气中氢气含量对闭式循环柴油机性能的影响。

According to many historians, the true pioneers of the modern digital computer are Analytical Engine and Difference Engine.

根据许多历史学家，现代数字电脑的真正先锋是差异分析引擎和发动机。

It is found the special difference between micro-turbojet engine and micro-turbofan engine in the research. A new concept of high-and-low blade and equivalent compressor is also put forward, meantime it is found the way to solve the problem.

在以上研究中，看到了微涡扇发动机不同于微涡喷发动机的的特殊点，由此提出了高低叶片、等效压气机这两个新的概念和相应的研究思路，找到了解决问题的途径和方法。

Structure of aero- engine case under the effect of combined axial pressure and end twist;2. The integration of CAD parametric modeling,finite element method,classical strength calculation theory with modern optimal design techniques produces a complete and systematic design procedure for performing parametric optimal design of turbine disk, engine case and turbine shaft.

开发了基于大型有限元分析软件Ansys的燃气涡轮发动机辅助设计系统，该系统将CAD参数建模技术、工程有限元数值计算方法、经典强度计算理论与现代优化设计技术相结合，实现了涡轮盘、机匣和涡轮轴典型零件的参数优化设计的完整设计流程，建立了结构优化设计平台；并通过机匣的结构优化设计实例，验证了燃气涡轮发动机辅助设计系统的有效性。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。