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Based on the petrological and geochronological study of metamorphic complexes from the Grove Mountains, the following conclusions are reached.(1)Exsolution texture is widely found in clinopyroxene in mafic granulites. A peak metamorphic temperature of 850 C was obtained from the reintegrated compositions of exsolved clinopyroxene. The preservation of augite megacrysts suggests a single episode of high-grade metamorphism for the Grove Mountains.(2)The compositional comparison of garnet from pegmatites with that from country rocks demonstrates that garnet in pegmatites is of xenocryst origin, and late amphibolite facies metamorphism does not occur in this area.(3)The Pan-African charnockite and post-tectonic sheet-like granite were first recognized in East Antarctica. Their occurrences suggest a collisional orogeny during the Pan-African time.(4)The SHRIMP U-Pb zircon dating on various rock types indicates that the major metamorphism in the Grove Mountains occurs at c. 550 Ma, and the tectonothermal evolution terminated at c. 500 Ma. The Grenvillian granulite facies metamorphism did not develop in the studied area.(5)The Prydz belt, the second Pan-African suture within the Gondwana suppercontinent, was further comfirmed based on this study. The Gondwana suppercontinent was not formed by the simply juxtaposition of East and West Gondwana, but by the collision of several blocks during the Pan-African time.
本项目通过格罗夫山地区高级变质杂岩的变质岩石学和同位素年代学研究,获得如下重要认识:(1)发现辉石出溶结构,由此获得峰期变质温度为850 C,并根据火成普通辉石的识别确定该区只存在单相麻粒岩相变质;(2)通过伟晶岩中石榴石斑晶与围岩中石榴石的对比研究提出了石榴石的捕虏晶成因,进而确定该区不存在晚期角闪岩相变质作用;(3)在东南极首次识别出泛非期紫苏花岗岩和后构造层状花岗岩,为泛非构造热事件的碰撞造山成因提供了重要佐证;(4)对不同岩石类型的锆石SHRIMP定年精确地限定了格罗夫山地区主期变质作用发生于泛非期,~550 Ma,热事件结束于~500 Ma,年代学数据没有揭示在该区存在格林威尔期麻粒岩相变质作用的迹象;(5)进一步确认了东南极内部普里兹带的存在,它属于冈瓦纳超大陆内部的第二条泛非期缝合带,据此认为冈瓦纳超大陆并不是由东、西冈瓦纳陆块的简单拼合而成,而是多个不同块体拼合的结果。
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Sparse eigenvalue analysis technique, which makes full use of sparsity of augmented state matrix during small disturbance stability analysis for large scale power system, can compute out concerned eigenvalue subset from all eigenvalues and can analysis power systems that have arbitrary scales.
论文的主要研究工作和创新性成果如下:1针对传统特征值分析方法仅适用于中小规模电力系统的局限性,结合Prony和稀疏特征值算法,提出了一种大规模互联电网区间低频振荡分析的实用方法。
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The main points of this paper are as follows:(1) The actuality and the deficiency of the current workflow technology is analyzed according to the expatiating on the workflow technology.(2) A workflow model supporting the dynamic modifying and its implementation arithmetic and an implementation method using the OO technology is proposed according to the Directed Graph theory.(3) The strategy of dynamic modifying of workflow model is researched, a improved conversion strategy is proposed, and the detailed process of dynamic modifying is discussed.(4) Having researched on the construction scheme of digital campus based on URP and the workflow of office business, an OA system model based on dynamic workflow technology was proposed according to the workflow management system model and several typical functions of OA workflow management system were realized, which is of high value on improving the autoimmunization of business operation and the cooperating work ability.
论文的主要内容如下:(1)通过对工作流技术的全面阐述,分析了目前工作流技术发展的现状和不足,为自己的研究工作划定了问题域范围;(2)利用有向图定义了一个支持动态修改的工作流模型,并给出了该模型的执行算法,给出了该模型利用面向对象技术的一种实现方法;(3)详细讨论了工作流模型的修改策略和方法,提出了一种改进了的转换策略,并给出了动态修改操作的具体步骤;(4)在深入分析基于URP的数字校园建设方案以及办公工作流程的基础上,结合工作流管理系统参考模型,提出了基于动态工作流技术的OA系统模型,实现了OA工作流管理系统中几个典型的功能,对提高业务处理自动化,提高协同工作能力具有重要的应用价值。
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And this is a lesson which I suspect you must have learnt out of Homer; for he, speaking of Autolycus, the maternal grandfather of Odysseus, who is a favourite of his, affirms that 'He was excellent above all men in theft and perjury.
我怀疑你是否从荷马那里接受了如下的教益;他曾谈到他所偏爱的奥德修斯的外祖父奥托利克斯,断言'他在盗窃和伪誓方面具有人所不能企及的天赋'。
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When the researchers examined the different habits, many of the participants showed a curved relationship between practice and automaticity of the form depicted below.
当研究人员检测了不同的习惯,许多参加者显示了弯曲的关系实践与自动化的形式描述如下。
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Objective: To research the effects of traditional Chinese medicine and autoplastic transplantation of bone marrow mononuclear cells or bone marrow mesenchyme stem cells on the serious disease, such as myocardial infarction , hepatic injury and hepatic fibrosis, etc. Methods and Results:(1) MI was induced in a percutaneous swine by embolization in coronary artery.
为了探索中药和干细胞移植对心肌梗死、肝损伤及肝纤维化等重大疾病的治疗作用,进行了如下研究:(1)利用心导管技术,建立了冠状动脉栓塞中国小型猪心肌梗塞模型,利用此模型,观察中药复方双龙方与自体骨髓单个核细胞对心肌梗塞的治疗作用及对心功能的影响。
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Different from the ordinary organized crime,heretical crime infringes the criminal law at least in four aspects: firstly,members of a heretic group are spiritually controlled and their freedom of religion is illegally restricted;secondly,by carrying out terrorist and violent activities,a heretic group disrupts public order and security;thirdly,the intentional homicide,suicide,self-burning and autotomy created by a heretic group deprive other people's right of life and health;fourthly,a heretic group crazily and illegally accumulate wealth and thus infringe other people's property right.
研究邪教犯罪对刑法法益的侵害,完善邪教犯罪的刑事立法,组织严密的社会控制网络,已成为一个重要的课题。一、邪教犯罪对刑法法益的侵害刑法法益,是指受刑法规范保护的利益和价值,它包括国家法益、社会法益和个人法益。邪教犯罪侵害的刑法法益主要表现如下:对其成员实行精神控制,非法限制他人的宗教信仰自由权利。
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Provable Security is a formal method for proving the security of cryptographic schemes, in which the difficulty of breaking a particular scheme is formally related to that of solving a widely believed computational hard problem. Provable security has already become an important theme of theoretical researches in modern cryptography. This dissertation investigates the provable security of public-key encryptions and hybrid encryptions of asymmetric and symmetric encryptions. This includes the various formal security notions and the constructions can be proved to achieve them. Among the constructions, hybrid encryptions are themselves an important way to obtain public-key encryption schemes with chosen ciphertext security. The main results are as follows:(1) The one-wayness of the trapdoor one-way function in NTRU depends on the randomness of the session key, which is different from previous ones. Based on this observation, a new kind of trapdoor one-way function, trapdoor one-way functions with an auxiliary random variable is proposed.
可证明安全性是一种证明密码学方案安全性的形式化方法,它将密码学方案的安全性归约为公认的计算难题,已成为现代密码学领域中理论工作的主线,本文主要研究公钥加密与单双钥混合加密的可证明安全性,这包括它们的各种形式化安全性定义以及达到这些安全性定义的方案构造,而单双钥混合加密本身也是一种构造选择密文安全公钥加密的重要方法,本文得到的主要结果如下:(1)在研究NTRU公钥加密的特殊性基础上,对于公钥加密的陷门单向函数加密模型进行了扩展,提出了具有辅助陷门单向函数的概念,并将其扩展到多元的情况,讨论了可能的密码学用途。
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The network planning has been applied in our avigation manufacturing project widely, but there are some insufficiencies in application, such as, work breakdown structure depends on handwork, managers pay much attention to time but with little consideration for resource and logical relationship still rely on handwork as making plans, planning optimization is neglected.
我国航空制造项目的计划管理普遍采用网络计划技术,且有如下现状:工作分解多以手工方式为主;制定计划时重点考虑时间而对于资源的关注不多,且逻辑关系的处理依靠大量的人机交互;通常不应用计算机技术进行计划优化。
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In this study, AFLP markers for YrSp gene were identified and SCAR markers were developed using the near-isogenic line YrSp/6 x Avocet S and its susceptible parent Avocet S as materials with the YrSp gene donor parent Spaldings Prolific as control. The main results were given as follows:1. A total of 225 primer combinations were used in AFLP analysis of the materials YrSp/6×Avocet S, Avocet S and Spaldings Prolific.
本研究采用AFLP分析方法,以小麦抗条锈病基因YrSp的供体亲本Spaldings Prolific、近等基因系YrSp/6 x Avocet S、轮回亲本Avocet S及由Avocet S和YrSp/6 x Avocet S杂交制备的F_2代分离群体为材料,开展了小麦抗条锈病基因YrSp的分子标记研究,取得了如下主要结果: 1。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。