354 research outputs found

    The Role and Mechaninsm study of IL-20-related Cytokines contribute to Autoimmune Myocarditis in Mice

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    目的:免疫相关因素与心肌炎引起的心肌纤维化密切相关。前期研究表明,IL-10家族成员在心肌炎慢性期心肌纤维化的形成过程中发挥重要作用。IL-20是最新发现的IL-10家族成员之一,具有调节细胞增殖和分化的作用。但IL-20是否参与心肌炎心肌纤维化过程尚不清楚。本课题通过实验探讨IL-20及其相关因子对小鼠自身免疫性心肌炎(EAM)心肌纤维化的影响及可能的分子调节机制。 方法:利用小鼠心肌肌球蛋白多肽MyHC6l4-629和完全弗氏佐剂充分混合后,于第0天和第7天皮下注射建立小鼠EAM模型;组织切片H&E染色及Masson染色评估心肌组织炎症及纤维化程度;RealtimePCR及Western...Aims: Immune-related cytokines are closely associated with myocardial fibrosis induced by myocarditis. Previous studies had shown IL-10 family members play an important role in the formation of myocardial fibrosis in chronic myocarditis. IL-20 is one of the latest findings of the IL-10 family members which play a role in regulating the proliferation and differentiation of cells. However, it is unc...学位:医学硕士院系专业:医学院_内科学学号:2452012115314

    The Effect of N2O Emission Mitigation by Growing Soybeans Instead of Other Crops

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    农业是重要的温室气体排放源之一,而在农业生产过程中施用氮肥是引起农业温室气体排放的主要原因。因此,如何合理有效的施用氮肥对减少农业温室气体排放、减缓全球气候变化至关重要。鉴于此,对通过合理施用氮肥从而减少温室气体排放的减排措施进行成本效益分析,将有助于我们找到具有经济效益的农业温室气体减排方法。目前,相关减排措施研究主要集中在农田测土配方施肥、改良施肥(缓释肥和长效肥)上。得益于与豆类作物共生的根瘤菌具有的固氮作用,豆类作物相比其他农作物施用更少的氮肥,从而排放更少的氧化亚氮(N2O)。因此,对种植豆类作物替代其他农作物这一N2O减排措施的成本效益进行分析,可以考察该减排措施的减排潜力,丰富相...Greenhouse gas produced by agriculture plays an important role in greenhouse gas emissions, while using chemical fertilizer in agricultural activities is the main cause of producing agricultural greenhouse gas. Therefore, how to use chemical fertilizer reasonably and effectively is vital to reduce agricultural greenhouse gas emissions and slow down global warming. In view of this, a cost-benefit a...学位:经济学硕士院系专业:经济学院_人口、资源与环境经济学学号:1532013115221

    WINDOWS3.1下实时心电监护系统软件的设计

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    主要介绍在WIndOWS3.1操作系统下如何编制实时心电监护软件,提出了WIn3.1下编写实时硬件中断代码的一般性准则,同时介绍视窗下的心电波形(ECg)实时显示、QrS波宽的检测,以及一种数字滤波算法等

    TM电卡在单片机系统中的应用

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    dAllAS公司的专利产品TM电卡dS1991的性能特点和使用方法,并给出了TM电卡和51系列单片机的接口电路和部分读写程序

    Research on the Wealth Effect of Stock Market Based on the Perspective of Consumer Confidence and the Generalized Virtual Economy

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    随着我国股票市场的快速发展,股票市场波动对经济的影响吸引学者关注,其中股票市场的消费功能是股市市场作用的重要组成部分。股票市场消费功能即为股票市场财富效应,是指由于股票价格波动引起股票持有者财富总量实际货币余额发生变化,同时通过股价波动影响居民消费信心,最终引起居民消费支出发生变化的现象。 本文主要从股票市场的直接财富效应和间接财富效应这两个传导机制对我国股票市场财富效应进行研究。直接财富效应是指股票价格变化引起居民实际财富总量的变化,从而改变居民消费决策的传导机制;间接财富效应是指居民根据股票市场行情对经济形势进行判断,从而影响居民的消费信心,最终引起居民消费支出变化的传导机制。同时,股票...Along with the development of China’s stock market, scholars are paying more attention to the effects of the volatility of the stock market on the economy. The consumption function of the stock market is an important part of the stock market’s functioning. The consumption function is also known as the wealth effect, which means that the fluctuation of stock prices leads to changes of stockholders’...学位:经济学硕士院系专业:经济学院_投资学学号:1562011115199

    口袋旅行社

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    A Case Study on application of data mining method in cross-selling of retail banking

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    交叉销售是一种以企业与客户的现有关系为基础去销售另一个产品的营销战略,通过交叉销售,商业银行不仅能够对现有客户扩大销售来增加利润,还能增强客户粘性以支撑未来可持续发展。但国内商业银行在零售客户交叉销售活动组织开展方面,仍然较为严重地依赖业务经验,而非数据挖掘模型。因此,存在交叉销售决策难、效率低、成本高等问题。通过数据挖掘方法的应用,能够促进商业银行零售客户交叉销售决策科学化、目标精准化和组织自动化,从而达到提升效率、降低成本和扩大成果的目的。 本文以实证性研究为主,研究的逻辑是:从某商业银行零售客户真实数据这一案例出发,利用IBMSPSSModeler挖掘工具,根据CRISP-DM(Cro...Cross selling is a kind of marketing strategy to sell another product basing on the foundation of customer relationship, through cross saling, commercial banks can not only to increase profits from existing customers, but also can enhance the customer viscous to support sustainable development in the future. But the domestic commercial Banks in terms of the retail customer cross-selling activities...学位:金融硕士院系专业:经济学院_金融硕士学号:1562012115196

    A Study on Vietnamese,Thail and Indonesian Enviroment of Foreign Direct Investment

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    21世纪以来,东南亚国家因经济的对外开放、资源的廉价、经济的高速增长等因素吸引了外国直接投资(FDI)的快速流入。与此同时,我国人民币升值预期增强,“中国-东盟自由贸易区”正式建成等因素大大推动我国企业“走出去”,因此对东盟国家的外国直接投资环境进行研究已刻不容缓。 本文运用定性研究与定量分析相结合的方法,以东南亚的越南、泰国、印度尼西亚为案例,研究影响这三国外国直接投资流入的投资环境,并对三国的投资环境进行综合性评价与分析。文章首先介绍了东盟三国外国直接投资环境的现状与发展进程。继而笔者在以往学者研究基础上,将影响东盟三国FDI的十个因素分为与创造收入有关和与降低成本有关的两大类进行研究,...As a result of economic opening-up,low-cost resources and high economic growth,Southeast Asian countries face a rapid inflow of foreign direct investment since the 21st century. Chinese enterprises are also planning "going global" as the appreciation of RMB and the set up of “China-ASEAN Free Trade Area”, so it is essential to research the foreign direct investment environment in ASEAN countries. ...学位:经济学硕士院系专业:南洋研究院_世界经济学号:2552007115169

    Syntheses and Reactivity of Ruthenium Complexes Containing B-Phenylethynyl or Phenyl Substituted Boratabenzene Ligands

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    硼杂苯(Bb)(boratabenzene)是含6个电子的芳香性杂环,其配位行为与化学性质和环戊二烯基离子(Cp)类似,可作为Cp的等电子配体,又可以方便地通过改变硼上的取代基调节配体的电子性质和空间位阻,从而调控相应配合物的反应性质。本论文合成了一系列的硼杂苯钌配合物及其相关化合物,并对其进行了表征,同时对于部分产物的反应性质进行了研究。论文分为以下三个部分: 第一章为绪论,结合本论文核心内容简要介绍了硼杂苯、硼杂苯配合物以及半夹心型环戊二烯基钌配合物(η5-C5R5)RuXL2研究进展,同时阐述了本论文的设想与主要研究内容。 第二章为硼杂苯钌配合物(6-...Boratabenzenes are six-membered aromatic borataheterocycle bearing six π-electrons, which are isoelectronic and isostructural with the ubiquitous cyclopentadienyl ligands. Their coordination properties are similar to that of Cp. In addition, it is easier to modulate their electronic contributions by the choice of the exocyclic substituent on boron.In this thesis, a series of half-sandwich rutheniu...学位:理学硕士院系专业:化学化工学院_有机化学学号:2052009115144
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