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Combining with the National Natural Science Foundation ofChina(No.50478032), following researches were done in this thesis: 1 The variation regularity of the ultimate anti-bending capacity of therectangular-sectioned beam with different corrosion has been obtained through thequalitative analysis of 48 beams (32 corroded beams and 12 comparing beams) withaccelerated corrosion; 2 The conclusion has been obtained that the strain of corroded steel bar andconcrete no longer fit in with the assumption of plane section through the analysis ofthe strain data, the strain relation of steel bar and concrete in the mid-span section ofvariously corroded beams at ultimate has been obtained. Through the building of newgeometric relation, the expression of the height of compressive area in the corrodedbeam with rectangular section has been deduced, and the formula with corrosion rateas the main variable for the anti-bending capacity of the corroded concrete beam hasbeen suggested and verified by experiment.; 3 The influence of steel bar corrosion and the concrete regression to the flexureductility coefficient of the corroded structure component has been analyzed. Based onthe relation of steel bar and concrete at yield and ultimate, the expression for theflexure at yield and ultimate of corroded reinforced concrete beam, and the model forthe calculation of the flexure ductility has been built.

本文结合国家自然科学基金项目(50478032)"既有钢筋混凝土桥梁时变可靠度研究",主要进行了以下研究工作: 1通过对48根快速锈蚀钢筋混凝土矩形截面梁(32根锈蚀梁和12根对比试验梁)数据的定性分析,得到了不同锈蚀率下,锈蚀钢筋混凝土矩形截面梁极限抗弯承载力的变化规律; 2通过对应变数据的分析,论证了锈蚀构件钢筋和混凝土的应变不再符合平截面假定的结论,并通过回归分析得出了不同锈蚀率的螺纹钢筋梁和光圆钢筋梁在极限弯矩作用下,跨中截面处钢筋应变和钢筋处混凝土应变的关系,通过构造新的几何关系,得出了锈蚀钢筋混凝土矩形截面梁计算受压区高度的表达式,既而得出了以锈蚀率为主要变量的锈蚀钢筋混凝土矩形截面梁的正截面抗弯计算建议公式,并通过试验数据加以验证; 3分析了钢筋锈蚀和混凝土劣化对锈蚀构件曲率延性系数的影响,结合钢筋屈服和极限弯矩两种状态下钢筋和混凝土的应变关系,分别得到了锈蚀钢筋混凝土矩形截面梁屈服曲率和极限曲率的计算表达式;既而推导出曲率延性系数的计算模型。

In 1990s, the third stage is the most important period of research on sandy desertification in Qinghai-Xizang plateau, the sandy desertification problem in almost all over the Qinghai-Xizang plateau was studied, its research content is comprehensive and systematic and a lot of research results were gotten.

最后,分析了研究中存在的主要问题,如研究区域不尽平衡、基础研究较为薄弱、理论研究有待深入和防治技术亟待提高等,提出今后青藏高原沙漠化研究的主攻方向与主要研究项目。

The mostly conclusion is as below: 1 The characteristic analysis of the expressway soil erosion: Expressway soil erosion is different from conventional soil erosion and other soil erosion of exploitation construction project for its 4 outstanding features, including imbalance of soil erosion distribution in time and space; Presenting either threadiness or pinnate distribution in space; The quantity of soil erosion is large;Erosion form is complicated and frequency of causality soil erosion occuring is large.

具体得出的主要结论如下: 1高速公路土壤侵蚀的特征分析公路建设土壤侵蚀区别于传统的土壤侵蚀,与其它开发建设项目中的土壤侵蚀也有所区别,有自己突出的特点,主要表现为时间分布上不平衡;空间上呈线状或羽状分布;土壤侵蚀量大;侵蚀类型复杂,诱发性土壤侵蚀发生频数大4个方面。

My current major focus is in system management discipline, one of the important tasks is to design IT service management solution based on IBM Tivoli products, provide clients support of solution planning, design and implementation.

我目前从事的主要工作是属于系统管理领域相关的IT架构工作,具体说,最主要的一项内容就是为客户基于Tivoli产品的IT服务管理项目提供规划、设计和实施支持。

MAIN OUTCOME MEASURES: The primary out-come measure was exercise-induced bronchoconstriction as evaluated by impulse oscillometry.

主要测定项目:主要结局为脉冲振荡法评估的运动诱发的支气管收缩。

The major results of this proposal are as follows:(1) ABA induces a rapid, substantial accumulation of apoplastic H2O2 in mesophyll and bundle sheath cells of maize leaves, and the accumulation of apoplastic H2O2 is involved in the induction of the chloroplastic and cytosolic antioxidant enzymes.(2) ABA-induced H2O2 production activates a 46 kDa MAPK, which in turn induces the expression of antioxidant genes and up-regulates the activities of antioxidant enzymes. The activation of MAPK also enhances H2O2 production, forming a positive amplification loop.(3) Water stress also induces the activation of a 46 kDa MAPK, which is dependent on the accumulation of ABA and H2O2 production induced by water stress and involved in the up-regulation of the expression and the activities of antioxidant enzymes.(4) ABA-induced H2O2 production mediates NO generation, which in turn activates a 46 kDa MAPK and results in the up-regulation in the expression and the activities of antioxidant enzymes in ABA signaling. NO-independent signaling is also involved in ABA- and H2O2-induced antioxidant defense.

本项目的主要研究结果如下:(1)ABA诱导的H2O2产生主要出现在叶肉细胞与维管束鞘细胞的质外体中,质外体H2O2的积累能够上调叶绿体与细胞溶质中抗氧化酶的活性;(2)ABA诱导的H2O2产生活化一个46kDa的MAPK,由此而导致编码抗氧化防护酶基因的表达与酶活性的上调;而MAPK的活化也能增强H2O2的产生,从而形成一个正的反馈调节环;(3)水分胁迫也能诱导一46kDa MAPK活化,这一MAPK活化依赖于水分胁迫诱导的ABA积累以及H2O2的产生,同时参与水分胁迫诱导的抗氧化防护基因的表达与抗氧化酶活性的上调;(4)ABA诱导一个依赖于H2O2的NO产生,NO活化一个46kDa的MAPK,从而导致抗氧化防护基因的表达以及抗氧化酶活性的上调;同时一个不依赖于NO的信号转导途径也存在于ABA诱导的抗氧化防护过程中。

The study focus on the distribution patterns of modern and fossil benthic foraminiferal fauna and their relationship with environmental variables, and the physical and chemical properties of the deep water.

本项目以西太平洋边缘中、深层水体为对象,利用微体古生物学、生物地球化学和年代学方法,通过对现代底栖有孔虫分布特征及其环境控制因子、柱状岩芯中底栖有孔虫属种和形态类型的分布特征、底层水体的温度及营养水平、各主要古环境演化事件时期浮游和底栖有孔虫14C年代学特征等主要内容的研究,综合探索了晚第四纪以来西太平洋边缘中层和深层水体的性质和流通状况的演化史。

Now I involve in the BFEL project in which using OTR to remodify and improve the current system.

我现在的研究课题是建立新的BFEL的束流测量系统,我主要利用OTR对现有系统进行改进,有了之前的项目经验,接到课题时我就游刃有余了很多,而且实验中主要运用我比较擅长的信号处理和电磁方面的知识,后期处理需要的C或者MatLab编程也很熟练,所以实验进行的比较顺利,但是也遇到了一些麻烦。

Therefore, it can be regarded as a great improvement of the investment decision-making theory and methods .This article makes a systematic research on real options theory and method and its application, including the following several main aspects:Firstly, it makes a detailed discussion about the common theoretical basis of financial options and real options, including no-arbitrage equilibrium principle, risk-neutral definition, complete market and dynamic tracking.Secondly, it analyze three basic characteristic of investment decision-making in modern market economic system: irreversibility, uncertainty and flexibility, and from the angle of their mutual quantitative and qualitative interactions, it makes a comparison between the traditional NPV methods and real options methods and makes a summary of the general analytical methods of real options.Thirdly, it discusses the all elements in the application of real options such as the ^leakages in value of real assets, basis risk, and private risk, and furthermore, it attempts to put forth a normalized strategy of its application and construct a basic framework of its application.Fourthly, it applies real options theory to strategetic investment of enterprises and the buy-out of company, putting forth a value model for strategetic investment program and making a concrete analysis of its application to buy-out. Furthermore, it advocates that a flexible investment decision-making system should be setup according to real options theory in our country.

本文对实物期权理论和方法及其应用进行了系统研究,主要内容包括如下几个方面:(1)详细讨论了金融期权和实物期权共同的理论基础,主要包括无套利均衡原理、风险中性定义、完全市场以及动态复制方法,对这些理论方法的探讨既是本文的出发点和基础,它们提供了研究实际应用实物期权的一个基准点,也是贯穿全文的线索和灵魂;(2)分析了现代市场经济体系中投资决策的三个基本特征即不可逆性、不确定性和时机选择,并从它们数量上和质量上相互作用的重要意义的角度,分析了传统的净现值法与实物期权方法的差异,指出了净现值法在不确定环境中存在的缺陷及实物期权处理投资灵活性的价值,并将净现值法纳入实物期权投资分析决策体系当中,总结了企业投资决策实物期权的一般分析方法;(3)探讨了实物期权应用中要考虑的各种要素,如实物资产的价值漏损、基差风险和非市场风险等,并进一步提出了实物期权应用的规范化策略和构建了一个实际应用实物期权方法的基本框架,尝试将期权的基本原理与企业在现实经济环境中投资决策的要素结合起来,从而可以在一定程度上超越期权的复杂的数学计算而汲取期权思想的精华,从而促进期权决策方法在实际投资决策中的应用;(4)将实物期权方法应用于企业战略投资,得出了战略投资项目的价值模型,指出可以将实物期权理论和方法应用于企业并购,分析了应用的具体方面,并提出应根据实物期权理论建立一套适合我国企业的灵活的投资决策系统。

ABSTRACT:According to practical background of institute of computer integrated manufacturing of SJTU, this design which is based on exploitation method of management information system, exploits a scientific research project management system with practical worthiness through system analysis, system design, system implementation, realize the computer management on scientific research project and released scientific and technology paper. So that it can improve level of project and paper management, provide precise information service in time, lighten the burden of doing report forms, statistic analysis of managers, get rid of the long-term draggling status of manual work on scientific project and released paper statistics.

上海交通大学计算机集成制造研究所每年都承接了大量的科研项目及发表为数众多的科技论文,对这些成果进行统计所得到的信息在该研究所的管理中具有重要的意义;首先,它反映了CIM所的学术水平和成就,是对该所进行各种评估时的主要参考依据;第二,通过这些统计结果,可以看出CIM所的发展趋势,从而为研究所的发展决策提供重要的辅助信息;第三,它是考察某位研究人员的工作成就的主要途径之一;最后,这些统计信息也是上级主管部门经常要求上报的信息。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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