331 research outputs found
A Research on Income and Well-being of City Residents in China ——From the Perspective of City Size
改革开放以来,中国快速的城市化进程,一方面推动中国经济增长,另一方面也出现了城市居民内部收入不平等、农业转移人口难以融入城市社会、“城市病”严重降低城市居民的幸福感等等经济社会问题。以人为核心的新型城市化道路需要我们将城市发展的焦点放在城市居民的客观收入和主观幸福上。本文从城市规模的视角,探讨城市化进程对城市居民的客观收入和主观幸福的影响。 本文首先梳理城市规模与居民工资溢价及其不平等、城市规模和婚配模式与家庭收入、城市规模与居民主观幸福感的文献,对中国城市经济发展特征、城市劳动力市场二元结构和城市居民主观幸福感进行分析提炼,分别将异质性劳动力和主观幸福感纳入到城市经济学的经典研究框架——R...Since the reform of opening, the accelerating urbanization has brought the growth of economy. However, it also has lead to many social problems such as the huge income disparity, farmers hard to engage in the city life, unhappy life due to the city diseases and so on. Human beings is the core value of the new plan of urbanization, which demands us focus on the residents’ objective income and subj...学位:经济学博士院系专业:经济研究所_区域经济学学号:1602013015400
Design and Implementation of Student Apartment Entrance Guard Management System for a College
学校公寓出入人员的管理,一直是困扰学校的一个大问题。而学校公寓由于其居住人员的特殊性,需要有针对的进行封闭式的管理。本文根据广西某高校的实际情况,主要着眼于学校学生公寓的自动化,科学化管理,设计并实现了一套学生公寓门禁管理系统。 该系统考虑到学校校区的分布和学生公寓的多样化等多方面的因素,在学校校园网环境下开发并实现了该门禁系统。该门禁系统使用C/S结构进行开发实现,能够综合管理学校各公寓各类人员的出入问题,并对进出人员的数据进行统计分析。管理手段多样化,可实现自动化无人值守管理和人工手动管理两个方面,同时该系统还具有后台数据维护功能。系统在VisualStudio2010下开发实现。 该...The management of the people, who pass in and out student apartment, has been a serious problem for a school. The close management needed by school apartment, because of the particularity of its personnel. This paper based on the actual situation of a university in Guangxi. We design and implementation of a student apartment access control system. The main aim is focus on school student apartment’...学位:工程硕士院系专业:软件学院_工程硕士(软件工程)学号:X201323007
Aesthetics of Edna’s Death in The Awakening
摘要 《觉醒》是19世纪末美国著名女作家凯特•肖邦的代表作之一。该小说从问世至今经历了饱受非议,到被重新审视,最终受到肯定与赞扬的旅程。众多学者从不同角度对《觉醒》进行了解析与研究。本文以死亡结局为切入点,以陆阳及颜翔林的死亡美学理论为基础,深入细致地探讨《觉醒》中女主角艾德娜死亡的必然性以及美学价值,从而使读者能更清晰地理解小说结局的意义以及作者精湛的叙事技巧,同时也在前人研究的基础上对有关《觉醒》以及凯特•肖邦作品的研究做进一步的补充。 本文分为五个部分:引言简要介绍凯特•肖邦和小说《觉醒》,国内外对《觉醒》的研究的综述,以及死亡美学理论的简要概况,...The Awakening is one of the masterpieces of Kate Chopin, a famous American female writer in the late 19th century. Since publication, the novel had been experiencing controversial criticism for a long time before it was reexamined and finally gained recognition and praise. Many scholars have analyzed and studied The Awakening from different perspectives. This thesis focuses on the death ending, ba...学位:文学硕士院系专业:外文学院_英语语言文学学号:K20120400
Discussion on Livestock Breeding Model Based on Circular Economy & Case Study
循环经济注重综合利用资源和保护生态环境,为人类解决物质需求与生态平衡、经济发展与环境保护的矛盾,提供了有效而可行的途径。在发展循环经济的新的时代要求下,如何改进我国传统的畜禽养殖模式,为广大消费者提供安全无污染的绿色肉制品,达到经济、环境和社会效益的统一,显然是摆在我们面前值得思考的重要问题。本论文紧扣该热点问题,进行“基于循环经济的畜禽养殖模式的探讨与厦门市典型案例研究”,不仅具有学术价值,而且具有明显的现实意义。本文运用环境科学、环境经济学、生态学、绿色营销学等理论与方法,针对我国当前畜禽养殖特别是生猪养殖的存在问题,构建了基于循环经济的畜禽养殖模式,并对其内涵作了探讨。在此基础上,以厦门...Circular economy pays attention to the synthetic utilization of resources and ecological environment protection and offers the effective and feasible route for human beings to solve the contradictions between the material demand and ecological balance, and between economic development and environmental protection. In the new times of circular economy, it is worthy of thinking how to improve the tr...学位:理学硕士院系专业:海洋与环境学院环境科学与工程系_环境科学学号:20043401
模糊控制课程实验体系设计与实现
分析模糊控制课程实验教学过程中存在的问题,提出一个从仿真软件到实体机器人上进行模糊控制实验的实验体系。该体系由三个由易到难并逐步深入的环节组成:1)采用MATlAb模糊工具箱设计模糊控制器;2)在WEbOTS仿真软件环境下,实现编程语言环境下的模糊控制仿真实验;3)实现在实体机器人上的模糊伺服控制系统。国家自然科学基金(60975084
北京鸭、金定鸭及其杂种酯酶同工酶的研究
对北京鸭、金定鸭及其杂种大土北鸭酯酶同工酶的研究表明:同种鸭的胚胎与雏鸭及成鸭的酶谱存在较显著差别,表现了该同工酶的表达具有发育阶段特异性;在同样发育阶段同种鸭不同组织的酶谱也存在一定差异;这种组织特异性与组织的功能有密切关系;北京鸭与金定鸭酯酶同工酶表达在个体发育过程存在明显种质差异,这与二者不同经济性状特征的差异相一致;大土北鸭个体发育中酯酶同工酶表达接近于北京鸭,显示该杂种鸭酯酶同工酶性状较大程度继承北京鸭的遗传性福建省自然科学基
Ideal Quantum Gas in A Process of Throttling Expansion
应用费米积分和玻色积分的特性以及热力学理论,讨论理想量子气体在节流膨胀过程中的特性,导得理想量子气体焦汤系数的解析表达式,详细讨论了低温下量子气体的定压热容和焦汤系数,阐明了系统的量子本性对焦汤系数的贡献。表明理想费米气体的焦汤系数为负而理想玻色气体的为正,因而理想玻色气体适用于低温制冷系统。Using the characteristics of Fermi integral and Bose integral and theory of thermodynamics, We discuss the characteristics of ideal quantum gas in a process of throttling expansion, and an analytical expression of JouleThomson coefficient (JTC) of ideal quantum gas is derived in this paper. The properties of JTC and the specific heat at constant pressure of ideal quantum gas at low temperature are discussed. The contribution of purely quantum nature of system on JTC is examined. It is shown that quantum nature of Fermions contributes to the negative values of JTC while the quantum nature of bosons contributes to the positive values of JTC . Therefore, the ideal Bose gas is suitable for cryogenic refrigeration system.泉州师院科研课题(2002 I 11);; 泉州市科研项目(Z200241
Does Positive Assortative Mating Exacerbate Income Inequality?
本文利用中国家庭收入调查(CHIP)数据,通过反事实实验发现正向选择的婚姻匹配会加剧家庭的收入不平等;进一步计算匹配概率发现中国的婚配不但存在自身职业阶层的正向匹配,也存在依据父亲职业阶层的“门当户对“的正向匹配,而且后者的匹配趋势增强。同时,数据说明代际传承之间阶层固化趋势明显。利用倾向得分匹配方法来测算婚配对不同阶层家庭的收入效应,发现“门当户对“对高低阶层家庭收入产生马太效应,而且阶层固化条件下“门当户对“的马太效应增强,加剧家庭收入不平等。Using the data of Chinese Household Income Project and counterfactual test method,the paper finds that positive assortative mating exacerbates household income inequality.Furthermore,this positive assortative mating not only happens in offspring and also in parent which measuring by occupational hierarchy,and this positive trend becomes more popular.There is also a solid trend of intergenerational occupation.At last,using Propensity Score Matching calculating the income gap between positive and not positive assortative mating families,it shows that positive assortative mating leads to household income inequality by Matthew and the class solidification.国家自然科学基金青年项目“中国城市规模与城市居民工资不平等研究”(71503222)资
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