过程

Its rule of change was obtained. On the basis of other studies, the flocculation kinetics and flocs structure was studied. By making some assumptions, collision frequency were presented. Then the the flocculation kinetics model was established through population balance equation. Comparison of experimental data and modeling results indicate that there are the same trend between the two. So the model can predict flocs number and size during flocculation of Yellow River's loess particles without using empirical parameters. The TEM and SEM were used to obsever flocs in the study of floc structure. The flocculation was divided as flocculi, floc and floc aggregate. The flocs structure model was established by assumption that particles position in floc accords with tetrahedron. The fractal dimension of model and experimental flocs was found to be coincident. So the model can reflect the structure of flocs formed in flocculation of Yellow River's loess particles by macromolecule flocculant at a certain extent.

最后，本文还对絮凝动力学和絮体结构进行了研究，在前人研究的基础上，针对高分子絮凝黄河泥沙，对絮凝过程作了一些符合试验条件的假设，建立了颗粒碰撞频率表达式，应用了颗粒数量平衡方程，从而建立了絮凝过程的动力学生长模型，模型计算结果与试验数据对比表明，二者趋势一致，在没有使用经验参数的情况下基本上能够描述黄河泥沙絮凝过程中絮体数量和尺寸分布的变化过程；对絮体结构的研究中，应用扫描电子显微镜和透射电子显微镜对絮体进行了观察，将絮体分为絮粒、絮团和絮网三个不同的生长阶段，通过假设颗粒结合位置符合正四面体，建立了絮体结构模型，计算得到的模型絮体分形维数基本与试验中的实际絮体相符，在一定程度上能眵反映高分子絮凝黄河泥沙生成的絮体结构。

Its rule of change was obtained.On the basis of other studies,the flocculation kinetics and floes structure was studied. By making some assumptions, collision frequency were presented.Then the the flocculation kinetics model was established through population balance equation. Comparison of experimental data and modeling results indicate that there are the same trend between the two. So the model can predict floes number and size during flocculation of Yellow River's loess particles without using empirical parameters.The TEM and SEM were used to obsever floes in the study of floe structure.The flocculation was divided as flocculi,floc and floe aggregate.The floes structure model was established by assumption that particles position in floe accords with tetrahedron.The fractal dimension of model and experimental floes was found to be coincidentSo the model can reflect the structure of flocs formed in flocculation of Yellow River's loess particles by macromolecule flocculant at a certain extent

最后，本文还对絮凝动力学和絮体结构进行了研究，在前人研究的基础上，针对高分子絮凝黄河泥沙，对絮凝过程作了一些符合试验条件的假设，建立了颗粒碰撞频率表达式，应用了颗粒数量平衡方程，从而建立了絮凝过程的动力学生长模型，模型计算结果与试验数据对比表明，二者趋势一致，在没有使用经验参数的情况下基本上能够描述黄河泥沙絮凝过程中絮体数量和尺寸分布的变化过程；对絮体结构的研究中，应用扫描电子显微镜和透射电子显微镜对絮体进行了观察，将絮体分为絮粒、絮团和絮网三个不同的生长阶段，通过假设颗粒结合位置符西安建筑科技大学博士学位论文合正四面体，建立了絮体结构模型，计算得到的模型絮体分形维数基本与试验中的实际絮体相符，在一定程度上能够反映高分子絮凝黄河泥沙生成的絮体结构。

Based on the experimental system and its characters in energy storage and release process, the system models during the energy storage and release were obtained and their corresponding control algorithms were given. In the energy storage and release process of the system, the angle regulation of air table and the speed variable of double flywheels were simulated on the Matlab/Simulink platform respectively.

根据实验系统构成及其储、放能过程的特点，推导了系统的数学模型，给出了相应的控制算法，并以Matlab软件下的Simulink为平台，对系统在充、放电过程中气浮转台的角度调节过程和上下飞轮转速变化过程进行了仿真分析。

The law of factors' affecting degree, which influences the parameters between geogrids and soils in the pulling-out procedure, is obtained. With the concept of 'equivalent pull-out displacement' brought forward, the whole process of pull out tests is divided into two process-" main process (when x 1.0)" and "residual process (when x 1.0)", and three stages-static friction resistance stage, slip friction resistance stage, and residual friction resistance stage.2 The value of friction coefficient between reinforcement and soil varies with their definitions of friction, but each factor' s affecting degree influencing friction pa

将模糊控制理论引入了岩土工程过程分析，考虑影响因素影响程度的变化及其规律，提出了一套可供岩土工程过程分析中参数选择的分析方法，并在筋土界面相互作用参数选取的拉拔试验过程控制中获得实施，为应用有限元法对加筋土结构进行过程中南大学博士论文摘要分析提供了参数选择的新方法；将模糊聚类分析方法应用于加筋土陡边坡状态评定，并提出侧向位移可作为加筋土边坡状态评定的量化指标，而不同类型边坡的侧向位移允许控制值可仿效此法结合工程经验确定。

On the other hand, the concept of modernization shows indifferent neutrality while westernization has distinct value-orientation. The Western culture is the fruit of long-time exchange and evolvement of human cultures and it still needs to improve itself. The wider modernization expands, the more countries it involves, and the further it departs from westernization. Non-European and-American countries on the way of modernization have to harmonize old culture and new culture after transforming them to adapt to each other.

从否定的角度看，现代化是一个价值中立的概念，而西化或欧化则是一个价值取向很强的概念；现代化中的许多内容都是中性的东西，不涉及价值取向；现代化虽然源头在欧洲，但西方文化并不是西方人独自创造的，而是人类文化长期融合、发展的结果；西方现代化模式还不完满，还需要探索和改进；现代化的过程虽然从整体上看是欧美现代文明在全球扩张的过程，但现代化的范围越大，卷入的国家越多，现代化的特色就越多，现代化离西化或欧化就越远；非欧美国家的现代化，不仅是一个新文化取代旧文化的过程，同时也是一个旧文化接纳新文化和新文化改造、融合旧文化的过程。

Effects of arc welding processes,welding parameters as well as chemical compositions and mechanical properties of the base metal on arc efficiency ,melting efficiency and heat input for fusion welding processes are analyzed.

介绍了电弧焊过程热效率的物理含义及熔焊过程热效率的研究概况，比较了不同熔焊过程的热效率，分析了焊接方法、焊接参数及母材成分与性能对熔焊过程的电弧热效率、熔化效率及焊接热输入的影响规律。

When the pressure is 0.11mp the greatest permeate flux is achieved as 1275L/(m2·h). it is also shown that gas liquid two phase flow can substantially decrease the block of membrane pores and the reject of membrane cake. The effect of introduction of gas improves as the concentration polarization and pollution of membrane escalate.

通过计算微滤过程各部分阻力，对SEM扫描电镜进行分析，确定气液两相流可以显著地减少微滤过程中膜内堵塞阻力和滤饼层阻力，随着微滤过程浓差极化和膜污染程度地不断加重，气体对微滤过程的强化程度也越来越明显。

So the system COREX off gas shaft furnace process simulation and training is set up. The distribution of flow field, pressure field, and temperature field, and concentration field are obtained Technician can directly see the distribution of gas and burden flow and can understand deeply shaft furnace process principles et al. This system can compute material and energy balance and production cost et al. It can train operator and technician et al.

为此我们利用前面开发的综合竖炉数学模型，开发了利用COREX尾气的竖炉过程的仿真培训系统，以使从事此过程的技术人员能够深入了解COREX尾气竖炉还原过程的原理、反应过程等内部现象，直接观察到竖炉内部气流、物流及气体压力、温度和浓度的分布；对COREX尾气竖炉工艺可进行能流物流平衡和生产成本计算；并对操作人员和工程技术的人员可进行教学培训功能等。

The conversions of ice temperature and ice velocity occur from bridge to trough of terrain on the eastern Nyainqentanglha Range. The ice temperature at bridge is lower. The ice at bridge starts to move due to the larger gravitational driving stress. During the course from bridge to trough of terrain, basal ice temperature rises because of the friction. While reaching the pressure melting point of ice, basal decollement occurs, and higher velocities can still be produced at trough.

而位于念青唐古拉山东部地区的冰川，冰温和冰速从地形脊到地形槽处发生了较大的转化过程，在地形脊处冰温较低，受重力加速度的影响，冰川开始产生滑动，从地形脊到地形槽滑动的过程中，其底部受摩擦加热的影响，底部冰温升高，达到融化点，底部产生变形，到地形槽处仍会产生较大速度的滑动，因此冰川的运动从地形脊到地形槽处发生了转化，即地形脊处的滑动属动力过程引起的滑动，而地形槽处的滑动属热力过程产生的滑动。

So also in the case of walking: only when the lifting of the foot has come to an end, does there arise the carrying forward of the foot; only when that has been completed, does there follow the placing of the foot on the ground.

在经行中也是这样：只有当提脚的过程结束后，才生起向前移脚的过程；只有当此过程也结束之后，才有紧随的放脚于地的过程。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。