| 1. | New structure of two - area cathodes gunn diodes 新型双区阴极结构体效应二极管 |
| 2. | A quasi - dimensional two - zone combustion model of varying steps has been developed by using matlab language 研究以matlab程序设计语言为基本应用平台,建立了缸内燃烧过程的变步长双区准维模型。 |
| 3. | The model , a quasi - dimensional two - zone combustion model with varying steps , has been developed by using matlab language 研究模型是建立在matlab语言程序平台上得到的变步长双区准维燃烧模型。 |
| 4. | Other screen is the rev counter which is fixed on the steering wheel . and on the vtr + and vts versions the dual zone climate control 另一个显示屏是速度表,安装在方向盘上。而且在vtr和vts上的是双区空调控制版本。 |
| 5. | The main subjects and conclusions are as follows : 1 . a kind of directional solidification equipment of high temperature gradient and double - zone heating is self - made 主要内容和成果有: 1自行设计了一台双区加热高梯度定向凝固装置。 |
| 6. | For the purpose of high temperature gradient , liquid metal cooling with circulatory water cooling is used directly to cool the sample , and at the same time , radiation baffle with appropriate size and shape is needed 该装置采用了双区加热和液态合金直接冷却技术,再配以合适的辐射挡板,可以提高液固界面处的温度梯度。 |
| 7. | A two - zone and a multi - zone diagnostic and predictive models are proposed for combustion process in gasoline engine , contains spark ignition process , transfer heat and no emission calculation , in chapter 2 第二章建立了汽油机燃烧过程的双区和多区诊断及预测模型,其中包括火焰传播模型、传热模型、点火计算和火焰核发展模型、 no _ x的生成模型以及工质物性参数的计算模型。 |
| 8. | On the base of large numbers of experiments , a theoretical model to describe the hydrodynamics is established by the aid of the theory of two - phase flow and soil mechanics . from the model , the effective factors are acquired 在实验观测基础上,本研究还借助土力学分析和一维双流体模型推导并建立了有别于大颗粒体系的双区两相流模型,从理论上探讨了各种因素对两相流动特征的影响。 |
| 9. | The engine ' s transient pressure , temperature and its various components emissions are traced in details during the calculation . the results verified that the various steps quasi - dimensional two - zone combustion model developed in this thesis can describe the real working procedure of the internal combustion engine very well 模拟仿真过程详细跟踪了缸内瞬时压力、温度和排放量组分变化,结果显示,本研究所提出的双区准维燃烧模型能较好的反映缸内的实际工作过程。 |