期刊文献+
共找到106,984篇文章
< 1 2 250 >
每页显示 20 50 100
Does China's digital economy contribute to low-carbon transition?
1
作者 LI Jun-jun HUANG Xin-yu +2 位作者 CHEN Mu ZHANG Meng-jiang ZHANG Zhen 《Ecological Economy》 2024年第2期102-122,共21页
The digital economy,as a new emerging economic form,has become an important power for realizing Chinese-style modernization and promoting green development in China.This paper measures the digital economy and low-carb... The digital economy,as a new emerging economic form,has become an important power for realizing Chinese-style modernization and promoting green development in China.This paper measures the digital economy and low-carbon transition index based on the data of 30 provinces in China from 2013 to 2020 and analyzes the mechanism and path of the digital economy affecting low-carbon transition using the fixed effect panel data model and the threshold effect model.It is found that,(1)The digital economy and low-carbon transition in China are various in different regions,with characteristics of being unbalanced and insufficient.(2)The digital economy significantly promotes low-carbon transition,with the greatest influence in the Central region,followed by the Eastern region and the Western region.Under different dimensions,the development of informatization and digital transactions promote low-carbon transition,but the development of the internet plays an inhibiting role.(3)The higher the degree of urbanization and environmental regulation,the greater the influence of the digital economy on low-carbon transition. 展开更多
关键词 digital economy low-carbon transition threshold effect model instrumental variables quantile regression
下载PDF
Performance Evaluation of Low-Carbon and Clean Transformation of China’s Coal Economy
2
作者 Liangfeng Zhu 《Journal of Environmental Science and Engineering(B)》 2024年第1期21-38,共18页
In China,the oversupply of coal occurred in 2009,and from that year onwards,China’s coal economy began a low-carbon and clean transformation.Evaluating transformation performance is the research goal of this paper.Th... In China,the oversupply of coal occurred in 2009,and from that year onwards,China’s coal economy began a low-carbon and clean transformation.Evaluating transformation performance is the research goal of this paper.The data collection for this paper includes data on deep processing of Chinese coal products from 2009 to 2020,as well as data on asset structure evolution and financial performance of 34 listed companies in the Chinese coal mining.Entropy value method is used to calculate the entropy value of low-carbon transformation,and the regression analysis is used to study the performance of cleaner transformation,the conclusion is as follows:(1)From 2009 to 2020,in China’s total energy consumption,coal consumption accounted for 71.6%in 2009 and 56.8%in 2020,the goals set by the state have been achieved.(2)The national goal of reducing the proportion of coal consumption and reducing carbon emissions has forced the transformation of deep processing of coal products.The transformation of coal enterprises towards low-carbon and clean production has achieved remarkable results.(3)From 2009 to 2020,the non coal industry income of 34 listed companies in China’s coal mining industry increased by 8.21%annually.At the same time,the asset structure was adjusted,and nearly 80%of the asset structure evolution showed an orderly development trend.(4)The regression analysis results show that the entropy value of coal deep processing products and the entropy value of asset structure adjustment are significantly related to transformation performance.The paper proposes to summarize the successful experience of China’s coal energy economic transformation,lay a foundation for achieving the carbon peak and carbon neutral goals in the future,further increase the intensity of coal deep processing,increase the proportion of clean energy in total energy consumption,and strive to control asset operation towards the goal of increasing the proportion of non coal industry income. 展开更多
关键词 Coal economy low-carbon and clean transformation deep processing of coal evolution of asset structure performance appraisal
下载PDF
The coordinated evolution of ecological environment,public service,and tourism economy along the Silk Road Economic Belt,using the Dual-Carbon Targets
3
作者 Shuo Yang Wei Guo +1 位作者 Tianjun Xu Tongtong Liu 《Chinese Journal of Population,Resources and Environment》 2024年第1期34-47,共14页
Carbon peak and carbon neutrality(dual-carbon)are important targets for the international response to climate change.The Silk Road Economic Belt is a strategic resource region and is important for future ecological en... Carbon peak and carbon neutrality(dual-carbon)are important targets for the international response to climate change.The Silk Road Economic Belt is a strategic resource region and is important for future ecological environment and tourism development.Based on the“dual-carbon”targets,the Single index quantification,Multiple index synthesis,and Poly-criteria integration evaluation model were used in this study to measure the coordinated development index of the ecological environment,public service,and tourism economy along the Silk Road Economic Belt and to analyze its spatial and temporal evolution.Further,it explores the dynamic evolution and development trend of the three systems using the Kernel Density and Grey Markov Prediction Model.The results show that the coordinated development index along this region needs to be improved during the study period.Furthermore,the coordinated development index of the Southwest region is relatively higher than that of the Northwest region.From the development trend of the three systems,all of them develop in a stable manner;however,the tourism economy system is easily affected by external disturbances.The coordinated development index of the three systems changes dynamically and tends to be in a good state of coordination.There is a certain spatial and temporal heterogeneity.The gravity center of the coordinated development index has been in the Southwest region.During the forecast period,the coordinated development index along this region will improve significantly,while insufficient and unbalanced development will continue. 展开更多
关键词 Dual-carbon Ecological environment Public services Tourist economy Silk Road Economic Belt
下载PDF
Research on the Digital Economy's Impact on China's Economic Growth:Based on the Variations in Urbanization Levels Across China's Eastern,Central,and Western Regions and Sectoral Heterogeneity
4
作者 Qiu Jin Yan Hong 《Contemporary Social Sciences》 2024年第3期27-44,共18页
This paper uses inter-provincial panel data from 2011 to 2017,a linear regression model,and a threshold model to conduct empirical analyses of the impact of the digital economy on China's overall economic growth a... This paper uses inter-provincial panel data from 2011 to 2017,a linear regression model,and a threshold model to conduct empirical analyses of the impact of the digital economy on China's overall economic growth and the three main sectors of industry.The paper then investigates the impact and effects the digital economy has had on the economic growth of the three main sectors of industry in China's eastern,central,and western regions.Finally,the paper investigates the most significant differences among the various regions and the threshold effects of urbanization levels on the relationship between the digital economy and economic growth.The findings indicate a significantly positive correlation between the digital economy and regional economic growth.Moreover,geographical factors notably influence this correlation.The digital economy exerts a positive effect on all sectors of industry.It may not substantially impact industrial development in regions with highly developed infrastructure.Regarding the other regions,the digital economy exhibits varying degrees of impact due to the differences in the specific indicators.The conclusion drawn by the threshold model is that the magnitude of the threshold effect correlates with geographic factors.No threshold effect was observed in the eastern region,while the threshold effect occurred in the central region when the urbanization levels for the provinces were below 0.6645.Similarly,the threshold effect was noted in the western region when the urbanization level was below 0.3931.Considering all of this,the study also offers policy recommendations that will help balance the regional development of digital economies,accelerate the digital transformation of traditional industries,enhance digital infrastructure construction,refine the formulation and implementation of data policy,and establish relevant incentive mechanisms. 展开更多
关键词 digital economy economic growth regional differences urbanization level threshold models
下载PDF
The relationship between energy consumption and economic growth and the development strategy of a low-carbon economy in Kazakhstan 被引量:7
5
作者 XIONG Chuanhe YANG Degang +1 位作者 HUO Jinwei ZHAO Yannan 《Journal of Arid Land》 SCIE CSCD 2015年第5期706-715,共10页
Fossil energy is the material basis of human survival, economic development and social progress. The relationship between energy consumption and economic growth is becoming increasingly close. However, energy consumpt... Fossil energy is the material basis of human survival, economic development and social progress. The relationship between energy consumption and economic growth is becoming increasingly close. However, energy consumption is the major source of greenhouse gases, which can significantly affect the balance of the global ecosystem. It has become the common goal of countries worldwide to address climate change, reduce carbon dioxide emissions, and implement sustainable development strategies. In this study, we applied an approximate relationship analysis, a decoupling relationship analysis, and a trend analysis to explore the relationship between energy consumption and economic growth using data from Kazakhstan for the period of 1993-2010. The results demonstrated: (1) the total energy consumption and GDP in Kazakhstan showed a "U"-type curve from 1993 to 2010. This curve was observed because 1993-1999 was a period during which Kazakhstan transitioned from a republic to an independent country and experienced a difficult transition from a planned to a market economy. Then, the economic system became more stable and the industrial production increased rapidly because of the effective financial, monetary and industrial policy support from 2000 to 2010. (2) The relationships between energy con- sumption and carbon emissions, economic growth and energy exports were linked; the carbon emissions were mainly derived from energy consumption, and the dependence of economic growth on energy exports gradually increased from 1993 to 2010. Before 2000, the relationship between energy consumption and economic growth was in a recessional decoupling state because of the economic recession. After 2000, this relationship was in strong and weak decoupling states because the international crude oil prices rose and energy exports increased greatly year by year. (3) It is forecasted that Kazakhstan cannot achieve its goal of energy consumption by 2020. Therefore, a low-carbon economy is the best strategic choice to address climate change from a global perspective in Kazakhstan. Thus, we proposed strategies including the improvement of the energy consumption structure, the development of new energy and renewable energy, the use of cleaner production technologies, the adjustment and optimization of the industrial structure, and the expansion of forest areas. 展开更多
关键词 energy consumption economic growth the decoupling relationship analysis low-carbon economy Kazakhstan
下载PDF
A low-carbon economic dispatch model for electricity market with wind power based on improved ant-lion optimisation algorithm 被引量:2
6
作者 Renwu Yan Yihan Lin +1 位作者 Ning Yu Yi Wu 《CAAI Transactions on Intelligence Technology》 SCIE EI 2023年第1期29-39,共11页
Introducing carbon trading into electricity market can convert carbon dioxide into schedulable resources with economic value.However,the randomness of wind power generation puts forward higher requirements for electri... Introducing carbon trading into electricity market can convert carbon dioxide into schedulable resources with economic value.However,the randomness of wind power generation puts forward higher requirements for electricity market transactions.Therefore,the carbon trading market is introduced into the wind power market,and a new form of low-carbon economic dispatch model is developed.First,the economic dispatch goal of wind power is be considered.It is projected to save money and reduce the cost of power generation for the system.The model includes risk operating costs to account for the impact of wind power output variability on the system,as well as wind farm negative efficiency operating costs to account for the loss caused by wind abandonment.The model also employs carbon trading market metrics to achieve the goal of lowering system carbon emissions,and analyze the impact of different carbon trading prices on the system.A low-carbon economic dispatch model for the wind power market is implemented based on the following two goals.Finally,the solution is optimised using the Ant-lion optimisation method,which combines Levi's flight mechanism and golden sine.The proposed model and algorithm's rationality is proven through the use of cases. 展开更多
关键词 ant-lion optimisation algorithm carbon trading Levi flight low-carbon economic dispatch wind power market
下载PDF
Public Transportation Management Strategies in a Low-Carbon Economy
7
作者 Can Chen 《Proceedings of Business and Economic Studies》 2023年第5期49-53,共5页
The importance of public transportation in social and economic development is undeniable.With the rising concerns of environmental pollution and resource depletion in recent times,China has made significant efforts to... The importance of public transportation in social and economic development is undeniable.With the rising concerns of environmental pollution and resource depletion in recent times,China has made significant efforts to transition towards a low-carbon economy.To advance this transition,it is imperative to confront the obstacles faced by public transportation and enact effective management strategies that promote both economic and environmental sustainability.In this regard,the author has evaluated the existing status of public transit within the context of a low-carbon economy and put forth targeted management approaches.This research is expected to make a valuable contribution towards enhancing the quality of public transportation management. 展开更多
关键词 low-carbon economy Public transportation Transportation management
下载PDF
Core Competitiveness Construction of Clothing Brands in Low-Carbon Economy
8
作者 金玲 刘晓刚 《Journal of Donghua University(English Edition)》 CAS 2023年第3期319-325,共7页
The climate issue has become an environmental concern for all sectors of the world and the low-carbon economy has thus become a new economic development model to combat climate change.With the development of low-carbo... The climate issue has become an environmental concern for all sectors of the world and the low-carbon economy has thus become a new economic development model to combat climate change.With the development of low-carbon economy era,the textile and clothing industry plays an important role in stabilizing the development of low-carbon economy and society,and China has put forward the development requirements of low-carbon transformation for the textile and clothing industry,and also it has an important strategic value to promote the high-quality development of low-carbon economy and society,and the construction of brands’ core competitiveness is an inevitable choice for clothing brands in the face of the new form of international competition.As a result,the evaluation indicator of clothing brands’ core competitiveness in the low-carbon economy is used to measure the core competitiveness of clothing brands.Based on the corresponding verification results obtained by analytic hierarchy process(AHP) analysis,it can guide the low-carbon development of the clothing industry,thus proposing a more reasonable way to build the core competitiveness of clothing brands.It can promote the low-carbon transformation and upgrading of the clothing industry,effectively increase the market share of clothing brands,and promote the high-quality development of clothing brands. 展开更多
关键词 low-carbon clothing brand COMPETITIVENESS CONSTRUCTION
下载PDF
Two-Stage Low-Carbon Economic Dispatch of Integrated Demand Response-Enabled Integrated Energy System with Ladder-Type Carbon Trading
9
作者 Song Zhang Wensheng Li +3 位作者 Zhao Li Xiaolei Zhang Zhipeng Lu Xiaoning Ge 《Energy Engineering》 EI 2023年第1期181-199,共19页
Driven by the goal of“carbon neutrality”and“emission peak”,effectively controlling system carbon emissions has become significantly important to governments around the world.To this end,a novel two-stage low-carbo... Driven by the goal of“carbon neutrality”and“emission peak”,effectively controlling system carbon emissions has become significantly important to governments around the world.To this end,a novel two-stage low-carbon economic scheduling framework that considers the coordinated optimization of ladder-type carbon trading and integrated demand response(IDR)is proposed in this paper for the integrated energy system(IES),where the first stage determines the energy consumption plan of users by leveraging the price-based electrical-heat IDR.In contrast,the second stage minimizes the system total cost to optimize the outputs of generations with consideration of the uncertainty of renewables.In addition,to fully exploit the system’s emission reduction potential,a carbon trading cost model with segmented CO_(2) emission intervals is built by introducing a reward-penalty ladder-type carbon trading mechanism,and the flexible thermal comfort elasticity of customers is taken into account by putting forward a predicted mean vote index on the load side.The CPLEX optimizer resolves the two-stage model,and the study results on a modified IES situated in North China show the proposed model can effectively reduce carbon emissions and guarantee economical efficiency operation of the system. 展开更多
关键词 Integrated energy system low-carbon economic dispatch integrated demand response ladder-type carbon trading thermal comfort elasticity
下载PDF
Research Progress of High-Quality and Equilibrium Economic Development of Ethnic Regions in the Context of Digital Economy
10
作者 Naxuan Hao 《Proceedings of Business and Economic Studies》 2023年第2期1-8,共8页
A new generation of information technology is driving the growth of digital economy across the world.In recent years,China has attached great importance to the development of digital economy and digital technology.Wit... A new generation of information technology is driving the growth of digital economy across the world.In recent years,China has attached great importance to the development of digital economy and digital technology.With the support of a series of policies,the digital industry has been able to develop at an astounding rate,and at the same time the integration of other industries with digital technology has been strengthened.The profound changes in production factors,production methods,and production approaches have promoted high-quality regional economic development.Literature statistics have shown an increasing trend in digital economy research in recent years.In this paper,literature on digital economy development,digital economy and high-quality economic development,the current situation of economic development in ethnic regions,and digital economy and economic development in ethnic regions is recapitulated in an attempt to learn from existing studies. 展开更多
关键词 Digital economy High-quality development Regional economy New era
下载PDF
Regional economic assessment of a novel place-based model for sustainable food systems
11
作者 Susanna Kujala Kari Koppelmäki 《Geography and Sustainability》 CSCD 2024年第2期220-229,共10页
Several actions from both the environmental and human viewpoints have already been made to meet the sustainability goals targeted at food systems.Still,new place-based ideas to improve sustainability are needed.Agroec... Several actions from both the environmental and human viewpoints have already been made to meet the sustainability goals targeted at food systems.Still,new place-based ideas to improve sustainability are needed.Agroecological symbiosis(AES),a novel food system model,is an example of a suggested system-level change to attain sustainability targets;it is a symbiosis of food production and processing using renewable energy that uses its own feedstock.AES has already been found advantageous from the ecological and biophysical viewpoints,but a regional economic evaluation of the model is still lacking.Thus,the aim of our paper is to assess the regional economic impact of a possible systemic change in the food system using the network of agroecological symbiosis(NAES)as an example.We applied scenarios representing different ways of moving towards envisioned NAES models in Mäntsälä,Finland,and a computable general equilibrium model to evaluate the regional economic impact.According to our results,both regional economy and employment would increase,and the regional production base would diversify with NAES implementation applied to the region,but the extent of the benefits varies between scenarios.The scenario that includes change in both public and private food demand,production of bioenergy and utilization of by-products would cause the largest impacts.However,realizing NAES requires investments that may influence the actual implementation of such models.Nonetheless,a change towards NAES can promote an economically and spatially just transition to sustainability,as NAES seems to be economically most beneficial for rural areas. 展开更多
关键词 SUSTAINABILITY Regional economy Localized food system Renewable energy CIRCULARITY
下载PDF
Data-Empowered High-Quality Economic Development: Mechanisms and Pathways
12
作者 Xia Jiechang Zheng Hao Zhang Yajun 《China Economist》 2024年第3期39-48,共10页
To achieve high-quality economic development,it is imperative to prioritize the real economy and foster new factors for economic growth.Data,as a new factor of production,plays a pivotal role in facilitating the seaml... To achieve high-quality economic development,it is imperative to prioritize the real economy and foster new factors for economic growth.Data,as a new factor of production,plays a pivotal role in facilitating the seamless integration between digital technology and the real economy.It possesses inherent attributes and techno-economic characteristics that enable the extraction of value across various processes,including production,transaction,consumption,and regulatory supervision.The integration with digital technology enhances the productivity and efficiency of the real economy by facilitating service sector digitalization,accelerating the growth of the new real economy,and supporting the virtual economy in its role of serving the real economy.At present,unleashing the value of data is hindered by inadequate fundamental systems for the data,a lack of activity in the transaction market,and the underutilization of the data as a factor of production by enterprises in the real economy.Therefore,it is advised that data be fully utilized to develop the real economy through the four-pronged approach of“enhancing support for the high-quality provision of the data,expediting the integration of the data into the real economy,promoting the high-quality development of the real economy,and enhancing public service and governance systems”. 展开更多
关键词 Real economy data digital economy high-quality development
下载PDF
SAMR releases Sharing Economy Standardization Development Report 2023
13
《China Standardization》 2024年第2期12-12,共1页
The sharing economy prospers in China due to people’s awareness of resource conservation, and it is often conducted on online platforms.Recently, the Development Research Center of SAMR released the Sharing Economy S... The sharing economy prospers in China due to people’s awareness of resource conservation, and it is often conducted on online platforms.Recently, the Development Research Center of SAMR released the Sharing Economy Standardization Development Repor t 2023. 展开更多
关键词 economy SAMR AWARENESS
下载PDF
The Subscription Economy and Its Contribution to the Global Economy
14
作者 Paula Cobzaru Alexandru Tugui 《Management Studies》 2024年第3期137-145,共9页
The subscription economy has become a dominant influence in the current business environment,fundamentally transforming the manner in which organizations interact with customers and create income.This article examines... The subscription economy has become a dominant influence in the current business environment,fundamentally transforming the manner in which organizations interact with customers and create income.This article examines the substantial influence of the subscription economy on the worldwide economy,evaluating its effects on different industries and marketplaces.The research examines relevant literature and case studies to identify the main factors,difficulties,and possibilities related to the subscription economy.Moreover,its objective is to examine the consequences for firms,customers,and economic expansion,elucidating the possibility of continuous value generation and innovation. 展开更多
关键词 subscription model subscription economy business model shift new digital economy global economy
下载PDF
The Influence of Low-carbon Economy on Economic Major Teaching and Its Measures
15
作者 Xueqiong Tan 《Proceedings of Business and Economic Studies》 2019年第1期11-14,共4页
In recent years the market economy is developing at a rapid pace,large amount of energy has been produced and consumed by us,which results in global warming and environmental degradation problems and various chain of ... In recent years the market economy is developing at a rapid pace,large amount of energy has been produced and consumed by us,which results in global warming and environmental degradation problems and various chain of events of adverse effects have been caused one such thing is smog.As a new economic development model,low-carbon economy model has received much attention at home and abroad.China is keen and gives great importance to the development of low-carbon economy.With the continuous development and progress towards the low-carbon economy,a new economic profession has been promoted,which has also brought about a certain degree of influence on the current economic professional teaching.In the low-carbon economy,existing economic professional teaching must be considered and explored,effective measures should be taken to respond.The author explores and analyzes the impact of low-carbon economy on economic professional teaching,and proposes the development measures of economic professional teaching in lowcarbon economy. 展开更多
关键词 low-carbon economy ECONOMICS MAJOR influence development measures
下载PDF
Analysis and Prospects of the World Economic Situation 2023-2024
16
作者 Zhang Yuyan Xu Xiujun 《Contemporary World》 2024年第1期27-31,共5页
At present,the growth momentum of the world economy is clearly insufficient,and faced with many unstable,uncertain and unpredictable factors,the world economy is generally on a downward path.From the perspective of tr... At present,the growth momentum of the world economy is clearly insufficient,and faced with many unstable,uncertain and unpredictable factors,the world economy is generally on a downward path.From the perspective of trend changes,the world economy will still be in the process of reshaping its growth momentum in 2024,with positive factors accumulating but downward pressure remaining. 展开更多
关键词 DOWNWARD UNSTABLE economy
下载PDF
Innovation Analysis of Rural Agricultural Economic Management Model in the Context of the Belt and Road Initiative
17
作者 Huabin TANG 《Asian Agricultural Research》 2024年第6期11-12,18,共3页
[Objectives]To explore innovative strategies for rural agricultural economic development in the context of the Belt and Road Initiative.[Methods]This research adopts the method of literature review and field research,... [Objectives]To explore innovative strategies for rural agricultural economic development in the context of the Belt and Road Initiative.[Methods]This research adopts the method of literature review and field research,systematically combs the research results related to the Belt and Road Initiative and rural agricultural economic management,and deeply understands the actual situation of rural agricultural economic management.[Results]The research shows that in the context of the Belt and Road Initiative,the rural agricultural economy is facing new development opportunities and challenges,but there are also some problems.In the new period,we should accelerate the innovative development of rural agricultural economy by promoting market-oriented reform,strengthening scientific and technological innovation,optimizing the industrial structure,deepening international cooperation and other measures.The Belt and Road Initiative provides an important opportunity for the innovation of rural agricultural economic management.Rural agricultural economic management should be actively integrated into the Belt and Road construction to improve the level of rural agricultural economic management.[Conclusions]This study provides useful exploration and reference for the innovation of rural agricultural economic management models,which helps to promote the healthy development of rural agricultural economy and achieve the goal of rural revitalization. 展开更多
关键词 The BELT and ROAD INITIATIVE RURAL areas Agriculture economy ADMINISTRATION
下载PDF
The Impact of the Digital Economy on Financial Regulatory Costs: An Empirical Analysis Based on the Solow Growth Model
18
作者 Dong Kang 《Contemporary Social Sciences》 2024年第5期70-94,共25页
As a novel economic form,the digital economy is reshaping the financial regulatory landscape and significantly impacting regulatory costs.This paper incorporates the digital economy and financial regulatory costs into... As a novel economic form,the digital economy is reshaping the financial regulatory landscape and significantly impacting regulatory costs.This paper incorporates the digital economy and financial regulatory costs into the classic Solow growth model,uncovering an inverted U-shaped relationship between them.A subsequent mechanism analysis explains the rationale behind this relationship.To empirically examine this relationship in China,the paper utilizes inter-provincial panel data from 2013 to 2021 and employs methodologies such as the two-way fixed effects and moderating effects models.These analyses have important implications for the sound and sustainable development of China’s financial industry.The findings indicate:(a)As China’s digital economy develops,its impact on financial regulatory costs follows an inverted U-shaped pattern,initially increasing and then declining.This conclusion remains valid after robustness tests.(b)The influence of the digital economy on regulatory costs depends on favorable external conditions.Specifically,the impact is more pronounced in regions and periods with better digital infrastructure and more abundant human capital.(c)Additionally,redundant resources moderate this impact,which can weaken the inverted U-shaped relationship.Our findings not only provide a theoretical foundation for understanding the impact of the digital economy on financial regulatory costs but also offer valuable policy insights for optimizing financial regulation in China. 展开更多
关键词 digital economy financial regulatory costs Solow Growth Model
下载PDF
China-Romania Economic Relations:Recent Developments and Prospects
19
作者 Andrei Radulescu 《Chinese Business Review》 2024年第2期53-59,共7页
The world economy is crossing the period of Great Transformations and transition towards a New World Order,dominated by the increasing role of China in the world,given the fast implementation of the technological prog... The world economy is crossing the period of Great Transformations and transition towards a New World Order,dominated by the increasing role of China in the world,given the fast implementation of the technological progress(Digital and Artificial Intelligence Revolutions).This paper analyses the economic relations between China and Romania and estimates the dynamics of the potential GDP in these states by implementing standard econometric tools.The results point to the upward trend in terms of bilateral trade between China-Romania in the post-pandemic era and emphasize the potential of the development in the mid-run. 展开更多
关键词 China economy Romanian economy potential output international trade
下载PDF
Properties and Characterization of Two Clays Raw Material from Mountain District (West of Côte d’Ivoire) for Use in Low-Carbon Cements
20
作者 Wedjers Max Robin Manouan Bi Irié Hervé Gouré Doubi +3 位作者 Lébé Prisca Marie-Sandrine Kouakou Atta Kouamé Brice Koffi Alfred Niamien Kouamé Namory Méité 《Advances in Materials Physics and Chemistry》 CAS 2024年第8期137-145,共9页
This work was devoted to the study of the physico-chemical properties of two clay minerals from the Mountain District (West Côte d'Ivoire) referenced ME1 and ME2. These samples were characterized by the exper... This work was devoted to the study of the physico-chemical properties of two clay minerals from the Mountain District (West Côte d'Ivoire) referenced ME1 and ME2. These samples were characterized by the experimental techniques, such as X-ray diffraction (XRD), Infrared spectroscopy (IR), Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES), Differential Thermal Analysis and Thermogravimetry (DTA-TG), Brunauer, Emett and Teller method (BET), laser particle size analysis and Scanning Electron Microscope (SEM). The main results of these analyses reveal that the two clay samples mainly contain quartz (52.91% for ME1 and 51.72% for ME2), kaolinite (36.60% for ME1 and 41.6% for ME2) and associated phases, namely goethite and hematite (13.47% for ME1 and 11.00% for ME2). The specific surface values obtained for samples ME1 and ME2 are 34.78 m2/g and 29.18 m2/g respectively. The results obtained show that the samples studied belong to the kaolinite family. After calcination, they could have good pozzolanic activity and therefore be used in the manufacture of low-carbon cements. 展开更多
关键词 QUARTZ KAOLINITE Mountain District low-carbon Cements
下载PDF
上一页 1 2 250 下一页 到第
使用帮助 返回顶部