检索结果-南通市图书馆

Analysis of Labor Embodied in China's Inter-regional Trade in Value-Added: Re-Examination of Leontief's Paradox from the Perspective of Energy Use

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Journal of Urban and Environmental Studies 2021年第4期9卷 99-119页

作者： YAN Bingqian wang zhenxia National Academy of Economic Strategy Chinese Academy of Social Sciences

Based on the multi-regional input-output framework, this paper analyzed the labor and energy transfer embodied in interregional trade in China. Meanwhile, through estimating the energy intensity per unit of labor embodied in final products in each region, this study examines whether the empirical results are consistent with the theoretical hypothesis and provides relevant explanations and industrial development suggestions. Results show that east coastal region and central region are the two main participants in interregional trade. As for the labor embodied in trade, east coastal region is the largest exporter of embodied labor, though it has the highest wage among eight regions; in contrast, north coastal and southwestern region, with relatively low wage, are the two largest importer of embodied labor. As for the energy embodied in trade, northwestern region is the largest exporter of embodied energy. Further analysis indicates that the energy intensity per unit of labor in region with relatively low GRP(such as northwestern region) is the highest,whereas those in Beijing-Tianjin Region and south coastal region(with relatively high GRP) are the lowest. By analyzing the Revealed Comparative Advantage in each region, the paper finds that the main reason for this inconsistency lies in the industrial structure in northwestern and north coastal region, which are highly dependent in primary industries. Improving the infrastructure and upgrading industrial structure are important steps for these regions to transform the extensive growth mode.

关键词： Factors embodied in trade labor force energy multi-regional input–output model Leontief’s paradox

Energy Price Fluctuation and Real Estate Market Risk Prevention——Empirical Evidence at the Prefecture-Level City Level in China

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

China Finance and Economic Review 2024年第2期13卷 3-25页

作者： zhenxia wang Bingqian Yan Lei wang National Academy of Economic Strategy Chinese Academy of Social Sciences Institute of Industrial Economics Chinese Academy of Social Sciences

The impact of energy price fl uctuation on the macro economy is a hot issue that is continuously concerned by the academic community,but few literature have paid attention to the impact of energy price fl uctuation on housing price and the financial risks that may *** on the data of cities at and above the prefecture level in China,this paper empirically examines the impact of energy price fl uctuation on the price fl uctuation of the domestic real estate,and analyzes its infl uencing mechanism and transmission *** results show that changes of energy price will significantly affect the fl uctuation of domestic real estate price,and it is more obvious in large cities and *** price affect the demand for housing through changes of interest rate levels on the one hand,and the supply of the real estate market through the cost of housing construction on the other hand,which leads to housing price fl *** a series of robustness tests,the results are still *** the same time,the effect is asymmetric,that is,higher energy price increases the fl uctuation of house price,but the impact of falling energy price is not ***,when preventing real estate market risks,energy price should be considered as a forward-looking indicator to focus on,and the regulation and control policies of the real estate market should be scientifically *** paper not only provides a new perspective on the mechanism of housing price formation,but also enriches the research on the interconnection between energy and financial markets.

关键词： energy price real estate price financial risk

Microstructure and Wear Behavior of Ti-6Al-4V Treated by Plasma Zr-alloying and Plasma Nitriding

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Wuhan University of Technology(Materials Science) 2016年第5期31卷 1086-1092页

作者：陈凯刘小萍 LIU Xiaozhen MENG Tianxu GUO Qi wang zhenxia LIN Naimin Research Institute of Surface Engineering Taiyuan University of Technology Taiyuan 030024 China Cold Rolled Steel Sheet Mill Wuhan Iron and Steel Corporation Wuhan 430083 China

A duplex treatment of plasma Zr-alloying and plasma nitriding was used to improve the tribological properties of Ti-6Al-4V. The microstructure of the Zr-N composite（alloyed） layer formed on Ti-6Al-4V and its hardness, friction and wear properties were investigated by using OM, SEM, GDOES, EDS, microhardness tester as well as ball-on-disk tribometer. The results of microstructural analysis show that the alloyed layer is compact and uniform and is mainly composed of ZrN, TiN_（0.3） and AlN. A very tiny adhesive and slight oxidation wear is the primary wear mechanism for the modified Ti-6Al-4V. The tribological property is improved significantly after the duplex treatment. The good combination of antifriction and wear resistance for modified Ti-6Al-4V is mainly attributed to the higher surface hardness of metal nitrides formed on the surface and enhanced supporting of the Zr-diffusing layer.

关键词： Ti-6Al-4V plasma Zr-alloying plasma nitriding friction wear

Growth of Ag nanocrystals on multiwalled carbon nanotubes and Ag-carbon nanotube interaction

在线全文

学校读者我要写书评

暂无评论

Science China(Technological Sciences) 2009年第11期52卷 3215-3218页

作者： wang zhenxia LI XinNian REN CuiLan YONG ZhenZhong ZHU JianKang LUO WenYun FANG XiaoMing Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China Shanghai Applied Radiation Institute Shanghai UniversityShanghai 201800China

The experimental investigations on the interaction between Ag-nanocrystal particles (Ag-NCPs) and carbon nanotubes (CNTs) in Ag-nanocrystal particles/carbon nanotubes (Ag-NCPs/CNTs) hybrid structures were reported. The growth of Ag-NCPs on multiwalled carbon nanotubes (MWCNTs) was carried out by thermal evaporation deposition. High-resolution transmission electron microscopy and X-ray diffraction analyses revealed that Ag-NCPs had the crystal lattice feature of face-centered cube (fcc). The growth of Ag-NCPs on MWCNTs induced the cross-section deformation of MWCNT. The experimental results also showed that the synthesized Ag-NCPs/CNTs hybrid structure appeared as quasi-one dimensional nanowires containing the Ag-NCP/CNT hetero-junction. There was local cross-section deformation on MWCNTs at the interface of hetero-junction. These results involve the important topic about fundamental and practical studies for structure of MNCPs on CNTs and also find clues to further research of Ag nanocrystal growing on MWCNTs and related Ag-CNT interaction.

关键词： metal nanocrystal particles/carbon nanotubes hybrid structure Ag-nanocrystal particle Ag-NCP/CNT hetero-junction

Wear and Corrosion Properties of Mo Surface-modified Layer in TiNi Alloy Prepared by Plasma Surface Alloying

在线全文

学校读者我要写书评

暂无评论

Journal of Wuhan University of Technology(Materials Science) 2016年第4期31卷 910-917页

作者：张红前 wang zhenxia YANG Hongyu SHAN Xiaolin LIU Xiaoping YU Shengwang 贺志勇 Research Institute of Surface Engineering Taiyuan University of Technology Taiyuan 030024 China Research and Development Center of Mold Division Chongqing Changan Automobile Limited Company Chongqing 400023 China

In order to improve the wear resistance and restrain nickel release of TiNi alloys,the Mo modified layers on TiNi substrates were obtained using the double glow plasma surface alloying *** electron microscopy（SEM）,glow discharge optical emission spectroscopy（GDOES） and X-ray diffraction（XRD） were employed to investigate the morphology,composition and *** test and scratch test were performed to analyze the microhardness and coating/substrate *** and electrochemical behaviors of the Mo modified layers on TiNi were tested by the reciprocating wear instrument and electrochemical measurement *** Ni concentrations in Hanks’ solution where surface electrochemical tests took place were measured by mass *** surface-modified layer contained a Mo deposition layer and a Mo diffusion *** X-ray diffraction analysis revealed that the modified layers were composed of Mo,MoTi,Mo Ni,and *** microhardnesses of the Mo modified layers treated at 900 ℃ and 950 ℃ were 832.8 HV and 762.4 HV,respectively,which was about 3 times the microhardness of the TiNi *** tests indicated that the modified layers possessed good adhesion with the *** with as-received TiNi alloy,the modified alloys exhibited significant improvement of wear resistance against Si3N4 with low normal loads during the sliding *** spectrometry displayed that the Mo alloy layers had successfully inhibited the Ni release into the body.

关键词： microhardness scratch nickel restrain sliding alloying roughness friction instrument displayed

在线全文

学校读者我要写书评

暂无评论

转轨时期的中国价税财改革:争论与启示

财贸经济 2017年第2期38卷 31-43页

作者：王振霞中国社会科学院财经战略研究院

转轨时期价税财改革是中国自主改革的起点,是经济体制改革的核心,是推动经济迅速发展的关键,也是建立有中国特色改革理论的现实基础。通过发挥价格信号作用和财税组织收入分配的职能,中央政府快速建立起对地方政府和企业的物质激励机制... 详细信息

转轨时期价税财改革是中国自主改革的起点,是经济体制改革的核心,是推动经济迅速发展的关键,也是建立有中国特色改革理论的现实基础。通过发挥价格信号作用和财税组织收入分配的职能,中央政府快速建立起对地方政府和企业的物质激励机制,焕发经济机体的活力,促进经济迅速发展。转轨时期经济体制改革的成功,得到国内外的认同和赞扬。以至于诸多研究呼吁,应借鉴转轨时期价税财改革的思路,解决当前困扰经济发展的问题。本文通过回顾转轨时期价税财改革的历程、学术争论和经验教训,指出转轨时期的经济体制改革具有明显的渐进性和局部性特征。在经历最初的成功之后,各项改革措施之间的不兼容性日益明显,并积累了很多悬而未决的难题,加大了深化改革的难度。未来应明确改革的主线,建立整体改革的思路,健全和完善符合经济发展规律的社会主义市场经济体制。

关键词：价税财改革转轨经济学术争论

新时期统筹粮食安全与发展的深刻内涵和关键举措

在线全文

学校读者我要写书评

暂无评论

财贸经济 2022年第10期43卷 19-22页

作者：王振霞中国社会科学院财经战略研究院党委中国社会科学院大学国家金融安全研究中心

2020年,党的十九届五中全会通过《中共中央关于制定国民经济和社会发展第十四个五年规划和二〇三五年远景目标的建议》(以下简称《建议》),第一次提出要统筹发展和安全,要坚持总体国家安全观,实施国家安全战略,维护和塑造国家安全,统筹... 详细信息

2020年,党的十九届五中全会通过《中共中央关于制定国民经济和社会发展第十四个五年规划和二〇三五年远景目标的建议》(以下简称《建议》),第一次提出要统筹发展和安全,要坚持总体国家安全观,实施国家安全战略,维护和塑造国家安全,统筹传统安全和非传统安全,把安全发展贯穿国家发展各领域和全过程,防范和化解影响我国现代化进程的各种风险,筑牢国家安全屏障。维护国家安全是党治国理政的重要工作之一,关系到国家未来发展和人民福祉。《建议》将统筹发展和安全纳入“十四五”时期国家经济社会发展的指导思想,将安全提到前所未有的高度,是在对当前国内外经济政治形势做出前瞻性判断,并结合我国所处发展阶段特征后,从全局出发做出的战略部署,具有重大的现实意义。

关键词：关键举措非传统安全国家安全战略人民福祉政治形势远景目标统筹发展安全屏障

在线全文

学校读者我要写书评

暂无评论

智库思想市场的功能、规制和管理创新

中国社会科学院研究生院学报 2015年第5期 71-75页

作者：王振霞中国社会科学院财经战略研究院

完善的思想市场是鼓励创新的关键。高速发展的智库在中国思想市场建设过程中将扮演重要的角色,是"思想产品"的主要提供者,是创新的重要来源。本文在分析思想市场基本特征的基础上,结合中国国情,借鉴国外智库发展经验,探讨中国智库未来... 详细信息

完善的思想市场是鼓励创新的关键。高速发展的智库在中国思想市场建设过程中将扮演重要的角色,是"思想产品"的主要提供者,是创新的重要来源。本文在分析思想市场基本特征的基础上,结合中国国情,借鉴国外智库发展经验,探讨中国智库未来的发展方向。

关键词：思想市场智库政策建议

在线全文

学校读者我要写书评

暂无评论

我国价格总水平走势的特征、预测和应对策略

价格理论与实践 2023年第10期 12-16页

作者：王振霞中国社会科学院财经战略研究院

物价问题与国民经济和民生福祉密切相关。本文首先对2023年价格总水平走势的基本特征进行分析,提出当前价格走势的新特点和值得关注的问题。在此基础上,预测2024年价格总水平的走势,即2024年CPI和PPI不具备大幅上涨的实际推动力,短期内... 详细信息

物价问题与国民经济和民生福祉密切相关。本文首先对2023年价格总水平走势的基本特征进行分析,提出当前价格走势的新特点和值得关注的问题。在此基础上,预测2024年价格总水平的走势,即2024年CPI和PPI不具备大幅上涨的实际推动力,短期内依然会保持中低速增长。同时,应该看到,当前价格领域有较多新的影响因素,国家经济稳增长措施的实施、国际输入因素以及猪肉等重要产品价格走势不确定等因素,将对价格走势产生重要的影响。全面认识物价领域存在的风险和问题,做好价格管理工作,一方面,需要理论创新,以理论创新更好地指导实践,特别是关注财政政策实施对价格总水平走势可能产生的影响;另一方面,需要从实际问题入手,关注国内外重要商品价格变化及相互传导影响,做好民生价格管理工作。

关键词：价格总水平 CPI PPI 宏观调控