890 research outputs found
Based on the State-owned Enterprise Culture from the Perspective of the Research on Budgetary Slack
在我国社会主义市场经济中,国有企业占国民经济的主导地位,国有企业的发展直接关系着国家的经济命脉,关系着国家的长远发展。与一般的企业相比,国有企业的特性主要体现在产权上。国有企业的所有者为全体人民,即为全民所有,全民作为所有者是名义上的,真正的所有者本身是作为代理人的政府机构。在国有资产管理体制改革的过程中,政府对国家投资的企业进行全面预算管理,是政府履行出资人职责的重要途径。 然而,在国有企业预算管理的过程中,由于种种原因,企业实际盈利能力与预算报告存在一定的差距,预算松弛现象较为普遍,在一定程度上削弱了预算这一重要的管理方法的管理效力。本文从国有企业文化的视角,通过对国有企业文化的历史演变...In our country Socialist Market Economy, State-owned enterprises takes national economy dominant position, the development of the State-owned enterprises directly related to the economic lifeline of the country, relations with the country's long-term development. With the general enterprises, State-owned enterprises is mainly reflected in the property characteristics. State owned enterprise owner ...学位:会计硕士院系专业:厦门大学与厦门国家会计学院会计硕士专业学位联合教育中心(MPACC)_会计硕士(MPACC)学号:X200615717
Strongly Irreducible Operators on Banach Spaces
在有限维空间的矩阵论中,\著名的Jordan标准形定理充分揭示了矩阵的内在结构,\从Jordan标准形定理可以看出,\Jordan块在矩阵论中起着基本而重要的作用.\在无穷维可分Hilbert空间中,\强不可约算子已被蒋春澜等证明为Jordan块的合适类似物.\而且他们建立了算子在相似意义下唯一强不可约分解定理,\得到了强不可约算子的谱图象和紧摄动结果以及应用理论来寻找算子的完全相似不变量,\事实上,\他们已经建立了无穷维可分Hilbert空间上强不可约算子的一套系统的理论.\毫无疑问,\考虑建立一般Banach空间中相应的理论不仅是非常重要的,\也是非常必要的.\本文的主要目的就是研究...In the matrix theory of finite dimensional spaces,\ thefamous Jordan Standard Theorem sufficiently reveals the internalstructure of matrix.\ From the Jordan Standard Theorem,\ it isobvious that the Jordan block plays a fundamental and important rolein matrix theory.\ In infinite dimensional separable Hilbertspaces,\ C.L.Jiang and his cooperators have proved that stronglyirreducible operator is...学位:理学博士院系专业:数学科学学院数学与应用数学系_基础数学学号:1702005140300
Study On Resolving The Lack Of Chinese Urban Land Banking Fund
中文摘要城市土地储备制度是近年来我国土地利用制度改革中出现的新事物,其重要性不亚于1987年开始的国有土地有偿使用制度改革,在业内被称作我国土地使用制度的“第二次革命”。资金和土地是土地储备制度的两大基本要素。由于具有资金占用量大、投资周期长的特点,城市土地储备制度的运作对资金的长期良性保障提出了较高的要求。遗憾的是,受长期以来的计划经济意识的影响,城市土地储备制度建设被认为是扩大了的公用事业,理应由政府来包揽包办。在部分城市,行政干预、长官意识常渗杂到土地储备工作之中,使土地储备工作缺乏长期性、科学性,不恰当地承担了过多的公益性费用,加重了土地储备资金的支出负担。同时,多数城市土地储备机构业...ABSTRACT Urban land banking system, which is called as “Second Revolution”on Chinese land use system, and not less important than the reform on the system of the use of state-owned land with compensation started from 1987, is a novel thing in the recent Chinese reform on land administration and land use system. Capital and land are two main basic factors of Urban land banking system. Being a new ...学位:工商管理硕士院系专业:管理学院工商管理教育中心(MBA中心)_工商管理硕士(MBA)学号:1552005130133
Risk-Neutral Higher Moments’ Characteristics, Risks and Applications — Evidence from Hongkong Stock Market
本文采用香港恒生指数期权中的虚值看跌期权与虚值看涨期权计算香港股票市场风险中性高阶矩,并用其与另一种高阶矩预期——运用历史分布通过AR(1)-GARCH(1,1)模型估计出来的现实世界高阶矩预期——之间的关系分析高阶矩风险溢酬。本文发现,在香港股票市场中,偏度、峰度等高阶矩具有显著性非常强的风险溢酬,且风险溢酬均小于0。也即是说,香港市场投资者愿意承担较高的偏度,可以为了获得较多的正收益率而降低预期收益率;同时,香港市场投资者也偏好于较高的峰度,希望在收益率的时间序列中有较多的极大或极小收益率,并宁可降低收益率水平。这两个结论中,对偏度的偏好与常风险厌恶效用函数一致,也与国内外大部分研究相同;...We use out-of-the-money (OTM) put/call option prices data of Hengseng Index to estimate market index risk-neutral higher moments. Modeling with another expectation of higher moments that forecasted by AR(1)-GARCH(1, 1) model of historical distribution, we run a higher moments risk premium test. We find evidence that higher moments, such as skewness and kurtosis, have strongly significant negative ...学位:经济学硕士院系专业:经济学院金融系_金融工程学号:1562007115149
扬州东门遗址发现的明代官窑粉盒考证
2000年,扬州市文物考古研究所在东门遗址发掘过程中,发现一件外底足暗刻“大明嘉靖年制“的白釉粉盒。本文通过与相关瓷器的质地、款识进行对比研究,认为本件粉盒是明代嘉靖朝官窑所出,它的发现为研究明代官窑制度的转变及嘉靖朝官窑瑕疵品的商品化处理方式提供了难得的实物资料
社会分层结构与创新驱动的经济增长
从经济学与社会学跨学科的视角思考我国时下的供给侧结构性改革,应该关注社会结构对经济增长的影响。关于现代经济增长,理论与实践均证明了包括创业在内的创新在其中的核心作用。而从社会分层的视角,创新群体形成的职业阶层与其他职业阶层间可能存在差异。这种阶层差异将对创新进而对增长产生影响。本文在创新的增长模型基础上,导入职业阶层因素,利用理论模型解析其影响机制。分析表明,当创新阶层的阶层地位低于与其存在人力资源竞争关系的其他职业阶层时,阶层差异将不利于经济的长期增长,且这种负面效应将随创新效率的提升而加剧。而影响职业分层的人才选考制度对经济增长可能产生正反两面的不同效应。本文还尝试利用我国省际面板数据对主要结论进行实证检验。国家社科基金重大项目“供给侧结构性改革视阈下的社会结构与经济增长研究”(16ZDA007);;国家自科基金青年项目“社会分层、社会流动与经济增长”(71503050)的阶段性成
激光和电子束表面强化技术的发展及其应用
激光和电子束表面强化是当前引入注目的两种高新技术。文章系统地介绍了这两种技术的发展状况及应用,同时比较了二者的优缺点。最后对目前存在的问题及未来的发展方向作了简要的讨论
Effects of dietary mannan-oligosaccharide on growth performance of juvenile large yellow croaker(Pseudosciaena crocea)
采用单因素试验设计,进行为期30 d的饲养试验,探讨饲料中分别添加0%(对照组)、0.1%、0.2%和0.3%的甘露寡糖对初始平均体重为(7.26±0.08)g的大黄鱼幼鱼生产性能的影响。结果表明,饲料中添加甘露寡糖能有效促进大黄鱼幼鱼生长,提高幼鱼的抗病力。3个试验组的大黄鱼幼鱼增重率、均体长增长量显著高于对照组(P<0.05),幼鱼的成活率显著高于对照组(P<0.05),饲料系数则显著低于对照组(P<0.05)。综合评价大黄鱼幼鱼的成活率、增重率和饲料系数等参数,建议幼鱼饲料中甘露寡糖的最适添加量为0.2%。A 30-day feeding trial was conducted to investigate the effects of dietary mannan oligosac-charide(MOS) on growth performance of juvenile large yellow croaker(Pseudosciaena crocea) with ini-tially average weight(7.26±0.08) g.Basal diet were supplemented with 0%(control), 0.1%, 0.2%, and0.3% MOS in a totally randomized design trial in triplicate groups.The results showed that the dietarysupplemented with MOS could effectively promote the growth and improve disease resistance of juve-nile large yellow croaker(P.crocea).The growth rate,average body length growth rate and survival rateof juvenile large yellow croaker(P.crocea) in 3 experimental groups were significantly higher than thoseof control group(P<0.05).The feed coefficients in the all experimental groups were significantly lowerthan that of the control group(P<0.05).These results clearly indicated that dietary MOS could improvegrowth performance and increase the disease resistance in juvenile large yellow croaker(P.crocea), andthe 0.2% MOS supplementation was suitable for juvenile large yellow croaker(P.crocea).福建省区域重大项目“基于膨化软颗粒生产方法的功能性大黄鱼配合饲料的开发[2013N3001]”; 福建省厦门市科技创新项目“基于生物活性物质的鱼用保肝促生长制剂的研制与示范应用[3502Z20143002]
Adsorption of organic phosphorus in pesticide wastewater by CaAI hydrotalcite
采用共沉淀法制备了CaAl水滑石(CaAl-LDH),并运用扫描电子显微镜(SEM)和热重/差示扫描量热分析(TG—DSC)技术对CaAl-LDH的形貌及热稳定性进行了表征。采用CaAl-LDH对含膦农药废水进行除膦吸附试验,探讨了搅拌时间、pH值、CaAl-LDH的加入量对吸附性能的影响。结果表明:当CaAl-LDH的加入量为80g/L,搅拌时间为3h,pH值为6—8时,CaAl-LDH对膦的吸附性最强,废水中膦质量分数仅为0.1×10^-6。CaAl hydrotalcite (CaAl-LDH) was prepared by coprecipitation method. The morphology and thermal stability of CaAl-LDH was characterized by scanning electron microscopy (SEM) and thermogravimetry/differential scanning calorimetry (TG - DSC ). The test of phosphine adsorption removal by CaAl-LDH from phosphine pesticide wastewater was carried out. The results showed that when the addition amount of CaAl-LDH was 80 g/L, the stirring time was 3 h, and the pH value was from 6 to 8, CaAl-LDH had the strongest adsorption to phosphine, and the mass fraction of phosphine in wastewater was only 0.1× 10^-6
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