In order to raise continuous casting ratio , improve product quality , decrease power consumption , fit in with the changing needs of the internal and external markets , pangang iron and steel ( group ) co . decided to invest a fall continuous casting construction project 攀钢炼钢厂全连铸工程是攀钢为提高连铸比、提高质量、降低能耗、适应国际国内市场要求而投资新建的。
Apart from old coins , money tree was decorated with " queen mother of the west " and acrobatic images which were popular in the han dynasty . the lovely appearance of money tree and the fine casting demonstrates the superb craftsmanship of the han dynasty 除古钱外，这件摇钱树上还饰有西王母及汉代流行的百戏乐舞活动的形象，造型趣致，铸工精细，展现汉代工艺的高超技术。
The alloy component and the process parameters of the precision casting ( including the exit temperature from furnace , pouring temperature , mould preheating temperature , holding time , cooling form ) have a certain influence on the problem of the blade brittles 摘要合金含量、精铸工艺参数（出炉温度、浇铸温度、模壳预热温度、保温时间、冷却方式）对叶片脆性问题存在一定的影响。
A new electroforming technique , numerical control jet electroforming , was proposed , it not only can solve some problem of tradition electroforming but also can make nano metal block and metal accessory , and the elemental research on the new technique was carried out 本文提出了一种新的电铸工艺方案? ?数控喷射电铸，不但能解决传统电铸的一些缺陷，而且可以制备纳米金属块体和金属零件，并通过理论分析和试验对该工艺进行了基础性研究。
In this thesis , to increase the aspect ratio of liga process , several important influence factors were discussed , which includes the structure and performance of liga mask , x - ray intensity and x - ray spectrum of beam lines , the characteristic of pmma resin and the micro electroforming parameters . the au - pi mask and the au - si mask were designed by xop and origin software , after the difference between the spectrum of 3w1 and 3b1 beam line had been contrastively analyzed 本文着眼于liga技术高深宽比方面的研究，以提高本实验室用liga技术制作微细结构的深宽比为目的，从分析各因素影响深宽比的机理出发，再加以理论设计和实验工艺的优化和改善，分别研究讨论了影响深宽比的几大重要因素：掩模结构和性能、光源光谱和光强、 pmma光刻胶性能、电铸工艺参数等。
Three factors , such as pull - up type , the materials and structure of crystallizing mould , and the temperature field in crystallizing mould , influencing on continuous up - casting for aluminum were analyzed , which laid the foundation of the application to continuous up - casting technology for aluminum bar 分析研究了引拔拉坯制式、结晶模材料及结构、结晶模内温度场三因素对铝上引连铸的影响规律，结果表明上引连续铸造过程中施加适当频率的反推和反推量有利于杆坯连铸的持续，结晶模自身的性能及模内温度场的状态对金属铝杆上引连铸工艺的实现有直接影响。
Abstract : this paper describes the characteristics of the high speed casting and development of high speed casting mould fluxes , including composition design , performance requirements , metallurgical properties , and the problems in use . suggestions for modification are put forward 文摘:论述了高速连铸工艺的技术特点及应用于高速连铸工艺的保护渣发展现状，阐述了高速连铸保护渣成分设计、性能要求及冶金特性，提出了高速连铸保护渣研制和应用中存在的问题及今后工作的建议。
Because of the importance of the industry , the paper is valuable in engineering . the paper also discusses multi - field , multi - phase , multi - state and computer technology , so the paper is also valuable in study . in chapter 1 , the background , the history and the study status of model of " flow of fluid - solid material along a curved line by stretch " are provided 论文研究流固物体曲线拉伸流动数值模拟的原理和方法，这个问题典型存在于聚合物抽丝及钢铁冶金连铸工艺和加工过程中，由于涉及重要而庞大的产业，因而具有重要的工程价值，又涉及近代力学多场量、多相、多态和计算技术等综合复杂问题，因而具有重要的学术价值。
The main task for electronic control system is to rebuild the current minitype double - roller cast machine into automation and to monitor the process of continuous casting technology including sample - data showing and controlling . it ' s useful to study the continuous casting technology of thin belt tech and what ' s the parameter effect on the process of the continuous casting and the final products . it ' s also helpful to raise the accuracy , to get better control performance , to accumulate the experience of continuous casting automatic control 整个系统由液压控制系统和电控系统组成，电控系统的主要任务即是对现有实验用小型双辊铸机进行自动化改造，实现对连铸过程的监控，包括参数的采集显示和实施控制等，以便于深入探索薄带连铸工艺，研究各种工艺参数对连铸过程和最终产品质量的影响；以及提高控制精度、获得更好的控制性能、积累连铸系统自动控制方面的生产经验。
