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The research results show as follows. As plastic deformation increases, the Young's modulus of material continuously changes. This variation law is able to be described using a piecewise linear function .Hardening model and whether the variation is considered or not make great effet on springback prediction. It is proved that the springback prediction result which adopts the elastic-plastic constitutive model based on INLK hardening model and the variation of Young's modulus is considered, is more close to experimental result. After the sheet metal undergoes multiple bending, the corner radius and bending height also affect springback greatly.But the effect trend is different. At the same time, the reliability of springback research using numerical simulation is proved.

研究结果表明：材料弹性模量随塑性变形的变化是不断变化的，该变化规律可用分段线性函数进行描述；强化模型及考虑弹性模量变化与否对回弹预测有很大的影响，基于INLK强化模型和考虑弹性模量变化的弹塑性本构模型对回弹的预测结果与试验最接近；多次弯曲中圆角半径与弯曲高度对板料变形后的回弹有较大影响，但影响趋势不同；证明了数值模拟方法对回弹研究的可靠性。

Through the research of this paper, we have laid good foundation for the further research of ZnO piezoelectric sensor array.

本论文的研究为氧化锌压电传感器阵列的研制奠定了基础。

The pilot plant set up by incubators and research base, strong technical force, has a good scientific research and development environment for scientific and technical personnel to provide a broad development prospects.

本所设有试验工厂和科研孵化基地，技术力量雄厚，具有良好的科学研究和开发环境，为科技人员提供了广阔的发展前景。

P|PInner Mongolia IBUYFOOD Company, LTD. came into existence in Hohhot of Inner Mongolia in 2005, is a share-holding private enterprise, the major advanced managers are from large-scale dairy companies in Hohhot. The company possesses a good professional market research and product research amp;amp; development team. The factory strictly conforms to GMP to manage manufacture, is a small number of groups which attain B grade produce condition among other companies in the industry, and gets across QS produce permissive.

学历要求：初中及以上工作经验：不限月薪：1500元工作方式：全职职位描述：负责机器操作，计件工资，月薪1200左右操作过机器设备者优先公司信息：内蒙古伊佰食品有限责任公司是2005年成立于内蒙古呼和浩特市的一家股份制民营企业，多数高级经营人员来自呼和浩特市大型乳品公司，公司具有专业的市场研究和产品研发团队，工厂严格按照 GMP管理生产加工，是同行业少数达到B级生产环境，通过了QS生产许可的企业。

Countries all over the world are non-toxic plasticizer accelerated product research and development, especially for high hygiene requirements of the basic plastic applied research.

全球各国都加快了无毒增塑剂产品的研发力度，特别是对于卫生要求高的塑料制品的基础应用研究。

At present, many tests on dilatational strain and research on swelling constitutive relationships have been carried out. However most of these tests and research are based on plenteous water supply.

目前关于膨胀岩的膨胀变形试验和膨胀本构关系的研究已相对较多，但绝大多数成果都是建立在充分膨胀的基础上。

Such system research method expands the research range of TSM measure from point and line to network of road.

这种系统的研究方法，将交通系统管理措施研究的范围由点、线扩展到面上。

Pointe out that the conclusions of this thesis research, and to propose further research directions.

第五部分为结论和展望，指出本论文的研究结论，并提出进一步的研究方向。

And then, the research purpose of this paper is pointed out based on the results of current research.

然后，分析现有研究成果，提出本文的研究问题。

The U.S.A.,Canada,U.K.,Australia,Russia,Chile and other countries put a lot of manpower and resource in polar re search,set up polar political institution in polar research institution and diplomatic department.The research field covers politics,law,diplomatic,etc.

美国、加拿大、英国、澳大利亚、俄罗斯、智利等国在极地研究上都投入较大的人力和财力，在极地研究机构或者外交部门设立了极地法律与极地研究的相关部门，研究领域涉及极地政治、法律、外交等。1983年，美国白宫发布了罗纳德。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。