399 research outputs found

    The Research on Co-investment Behavior of Private Equity Funds

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    联合投资是私募股权基金普遍采用的投资策略,基金之间因联合投资行为而结成许多的网络联结关系,进而形成私募股权基金联合投资网络。在以往的研究中,联合投资是被作为投资信息发现、资源分享和风险分散的一种重要投资策略而出现,与社会网络分析方法的运用结合,为私募股权基金联合投资行为的研究提供了全新的网络视角。 近年来国外关于私募股权基金投资网络和绩效影响的研究表明,联合投资有助于提高基金管理绩效,有利于基金投资项目的退出。在我国私募股权基金行业快速发展的背景下,尤其是这样一个注重关系的社会里,私募股权基金联合投资行为及由此形成的投资网络具有什么样的结构特征?私募股权基金的网络地位差异是否会影响投资项目的...Co-investment behavior is a very common investment strategy in private equity funds. Through the strategy the private equity funds would set up relationship network and also the co-investment network. In the past research the co-investment was regarded as the investment strategy which would contribute to information discovering, resource sharing and rick spreading. Now the network analysis method ...学位:经济学博士院系专业:经济学院金融系_投资学学号:1562009015344

    Research on the Sme Credit Factory Mode of Commercial Banks

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    中小企业在我国经济中扮演着重要的角色,但其资金瓶颈问题却始终没有得到解决,中小企业融资难成为普遍的现象,备受社会各界关注。对于商业银行而言,中小企业贷款“户数多金额少,风险高信用低,成本高收益低”,但如果能够通过改进信贷经营模式,有效平衡好业务成本、风险和收益的关系,就能够在服务中小企业、促进经济发展的同时,开拓金融服务的蓝海领域,推进其自身业务的持续稳定发展。针对这一课题,文章提出了对于中小企业授信审批与管理采用“信贷工厂”模式的解决建议,这是一种兼顾中小企业融资的共性与个性的批处理、流程化处理模式,以"流水线"的形式处理中小企业的贷款申请、审批、发放和风险控制等,可以提高效率满足中小企业资...Small and medium-sized enterprises (SMEs)play an important role in our economy, but its fund bottleneck problem has not been solved. The SMEs financing difficultly has becomes the universal phenomenon, and received much attention. In terms of the Commercial bank, the SMEs loan has the drawbacks many-accounts-yet-few-amount, high-risk-yet-low-credit, high-cost-yet-low-revenue. But if through the im...学位:工商管理硕士院系专业:管理学院高级经理教育中心(EMBA项目)_高级管理人员工商管理硕士(EMBA)学号:X200815603

    The Research of Automobile Digital Sensor Data Transmission Technology Based on CAN BUS

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    随着汽车电子化的发展,为了减少线束、提高信号利用率、共享和传输大批量数据信息,汽车总线网络化成为了趋势,同时也成了汽车电子化发展的重要环节。CAN以其优异的性能成为汽车局域网的主流,但是国内对于汽车CAN网络技术的研究处于起步阶段,相关技术更是相差10多年。国内对于CAN总线的研究还停留在基本功能的研究,而这种方式构建的通信技术网络的传输内容不能灵活修改,只适合固定数据量和小数据量的通信方式。汽车上传感器与智能控制系统数量的日益增加,使得汽车网络上传输的数据量越来越大、汽车网络逐渐复杂化和信息共享的要求越来越高,CAN基本网络已经不能满足汽车电子化和网络化的要求,所以必须构建更高级的车载网络。...Along with the development of automotive electronics, automotive network bus turns into trends and becomes an important link of automotive electronics, in order to reduce wiring, enhance signal utilization, and share the high-volume data transmission. CAN bus has become the mainstream of automotive network bus with its high-performance. But the CAN bus research of domestic automotive industry is a...学位:工学硕士院系专业:物理与机电工程学院机电工程系_测试计量技术及仪器学号:2005130173

    Dynamic Modeling and Simulation of the Riser Reactor and the Regenerator for FCCU

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    催化裂化是目前炼油厂中的核心加工工艺,国内外对催化裂化反应再生系统的研究十分活跃,其中大量研究工作是关于工艺参数的变化对反应过程的影响,但反应-再生器是一个多参数,非线性、时变及多变量紧密耦合的复杂系统,为此就要建立能反映其化学反应规律的动力学模型,分析和研究反应再生系统动态特性,对其进行设计改进、参数优化以及自动控制系统的建立、控制系统的可靠运行至关重要。 本文基于以上原因,在综合考虑了物料衡算、能量衡算等方程的基础上,采用机理建模方法,建立了催化裂化反应再生系统的动态简化数学模型。在提升管反应器的建模过程中采用五集总(原料油,柴油,汽油,气体,焦炭)动力学模型,再生器采用烧焦罐烧碳反应动...Fluid catalytic cracking (FCC) unit is one of the key processes in modern petroleum refining. Mainly study the influence of technology innovation on reactive process in domestic and abroad. But FCC reactor and regenerator is a complex system for its multivariable, time-varying and nonlinear characteristics, the modeling of the system of complex kinetics reactions should be studied. A dynamic model...学位:工学硕士院系专业:化学化工学院化学工程与生物工程系_化学工程学号:20043300

    Detection on the hosts of Peer-to-Peer using Time Series Methods

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    互联网基础设施的快速发展使多种新兴网络业务的实现成为可能,诸如远程桌面、视频聊天等服务都需要建立在高带宽的网络传输之上。然而近年来迅猛发展的P2P(peer-to-peer)应用,以其多连接、多线程的特性,即便少数用户也可耗去大部分数据流量。据有关调查表明,P2P业务己悄然占据了互联网传输总量的60%-80%,成为杀手级宽带互联网应用。曾经对普及宽带互联网接入业务起到巨大推动作用的P2P应用,正带来了因资源过度占用而引起的网络拥塞以及安全隐患等问题,妨碍了正常的网络业务的开展。 为了保证网络正常有序的运行,有必要对P2P流量进行控制管理。但以往基于P2P流的研究,多数从某时刻纯P2P的瞬间流...The rapid development of internet infrastructure makes lots of new applications based on network come true. Services as remote desktop and video chat all need high bandwidth of cyber transfer. However, some p2p applications have hold most flow rates with its multi-connections and multi-threads for just few users. Transfers from P2P applications have spent 60%-80% of the swap bytes on internet acco...学位:工学硕士院系专业:信息科学与技术学院计算机科学系_计算机软件与理论学号:2302008115321

    GPR30在炎症中作用的研究进展

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    GPR30是一种新发现的G蛋白偶联雌激素受体,其与配体结合后,G蛋白结构解离为Gα和Gβγ,可激发酪氨酸激酶等下游激酶,在机体生理状态参与细胞的生长、迁移、凋亡,也参与了炎症性肠炎、肿瘤、牙周炎、多发性硬化症、帕金森病、动脉粥样硬化、脑缺血性发作等多种疾病的炎症反应。GPR30具有减少炎症介质产生和促进免疫细胞反应的双面作用,可能与研究的疾病模型、组织细胞类型不同有关,其在疾病中与炎症相关的具体作用仍存在许多争议

    Research on Strategies of Urban Design of Tourist Towns Basing on Humanism: Taking the Urban Design of Lulang Tourist Town of Tibet as an Example

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    近年来我国旅游小镇建设如火如荼,然而快速发展的背后却隐藏着发展同质化,“千镇一面”,生态环境遭到破坏,原有空间肌理和传统特色文化被忽视甚至被践踏等严重问题。现阶段的旅游小镇发展策略是不可持续的。在城市设计中,价值观的确立应属于“顶层设计”的范畴。人文主义是众多学科的固有本源和应有之义,在城市学科领域,人文主义是一种强调城镇发展应以人为本,并着重历史文脉、特色文化的保护以及可持续利用,人与自然和谐发展的价值观。文章以西藏鲁朗旅游小镇城市设计项目为例,从整体生态格局的营造、历史文脉的探寻与继承、公共开放空间系统的塑造以及促进共同参与四个层面论述了人文主义视角下的旅游小镇的可持续城市设计策略,以期为同类型城市设计提供启迪。Currently, China is facing a boom of tourist town construction. However, there exists a serious crisis behind the rapid development that most of the towns are constructed homogeneously, ecosystem, original space texture and traditional culture are ignored and destroyed. The current developing strategies of tourist towns are unsustainable. Humanism is the natural origin and granted connotation of many objects. And humanism in the field of city academia emphasizes the protecting and sustainable usage of historic context and traditional culture, and that during the developing, people's needs and the harmony between human and nature should be considered as a priority. This study, taking the urban design practice of Lulang tourist town of Tibet as an example, discoursed the strategies of sustainable designing of tourist town basing on the humanism perspective and specifically from the aspects of building of overall ecological pattern, exploration and pursuit of historic context, shaping of public open space system and humane care, hoping to provide inspiration for analogous urban designs

    Channel analysis and precaution of interferences in CAN-BUS

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    本文通过对CAN总线特性和总线信道的分析,利用汽车CAN电子控制系统的实际情况探究了汽车CAN总线的干扰问题,并且提出了实践证明可行的防干扰措施;同时探讨了CAN总线传输信息的速率、信道容量和节点容量等技术问题。In this paper, we analyzed the characteristic and signal channel of CAN-BUS, researched into interferenced problem, and advanced many measures against interference which were testified in a car system of CAN-BUS. And we discussed the CAN-BUS key technical such as the transmission speed, channel capacity, node capacity, and so on
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