Development and technology status of energy storage in depleted gas reservoirs

Utilizing energy storage in depleted oil and gas reservoirs can improve productivity while reducing power costs and is one of the best ways to achieve synergistic development of"Carbon Peak–Carbon Neutral"and"Underground Resource Utiliza-tion".Starting from the development of Compressed Air Energy Storage(CAES)technology,the site selection of CAES in depleted gas and oil reservoirs,the evolution mechanism of reservoir dynamic sealing,and the high-flow CAES and injection technology are summarized.It focuses on analyzing the characteristics,key equipment,reservoir construction,application scenarios and cost analysis of CAES projects,and sorting out the technical key points and existing difficulties.The devel-opment trend of CAES technology is proposed,and the future development path is scrutinized to provide reference for the research of CAES projects in depleted oil and gas reservoirs.

Drivers for Inter-city Innovation Networks Across Chinese Cities:Modelling Physical Versus Intangible Effects

Cross-region innovation is widely recognized as an important source of the long-term regional innovation capacity.In the recent past,a growing number of studies has investigated the network structure and mechanisms of cross-region innovation collaboration in various contexts.However,existing research mainly focuses on physical effects,such as geographical distance and high-speed railway connections.These studies ignore the intangible drivers in a changing environment,the more digitalized economy and the increasingly solidified innovation network structure.Thus,the focus of this study is on estimating determinants of innovation networks,especially on intangible drivers,which have been largely neglected so far.Using city-level data of Chinese patents(excluding Hong Kong,Macao,and Taiwan Province of China),we trace innovation networks across Chinese cities over a long period of time.By integrating a measure on Information and Communications Technology(ICT)development gap and network structural effects into the general proximity framework,this paper explores the changing mechanisms of Chinese innovation networks from a new perspective.The results show that the structure of cross-region innovation networks has changed in China.As mechanisms behind this development,the results confirm the increasingly important role of intangible drivers in Chinese inter-city innovation collaboration when controlling for effects of physical proximity,such as geographical distance.Since digitalization and coordinated development are the mainstream trends in China and other developing countries,these countries'inter-city innovation collaboration patterns will witness dramatic changes under the influence of intangible drivers.

Guarantee Strategy for the Safety of Agricultural Industry in Hunan Province

The safety of agricultural industry in Hunan Province shows an upward trend from"basically safe"to"very safe",but the state in the"safe"or"very safe"range is still unstable.In view of this,Hunan Province should guarantee the agricultural production ability,cultivate and enhance the core competitiveness of agriculture,firmly grasp the agricultural control power,attach importance to the export quality of agri-cultural products and other aspects to ensure the safety of agricultural industry.

Progress in Physics and Technology Developments for the Modification of JT-60

Recent progress in the physics and engineering design study for themodification programme of JT-60 is presented. In order to achieve a steady state high-βplasmaoperation, which is the dominant issue of this programme, physics design for the MHD control and thestability analysis is investigated. Engineering design and the R & D for the superconducting coils,irradiation shield are performed well towards the mission of programme.

Analysis and Research on Industrial Land Transfer in Hefei City Economic and Technological Development Zone of Anhui Province

In recent years,with high-speed development of economy and society,and fast propulsion of industrialization and urbanization process in the development zone,average annual land demand in the development zone also quickly enlarges,and the contradiction between high-speed growth of economy and shortage of land resources is apparent increasingly. Meanwhile,to guarantee crop safety and stick to 0. 12 billion hm2of farmland red line as a rigid constraint which could not be exceeded,the supply-demand contradiction of industrial land is more and more prominent. With industrial land scale continues to enlarge,land resources become more and more scarce,but there exists the phenomenon of low-efficiency land use and even idle. For land use characteristics of the development zone,taking Hefei City Economic and Technological Development Zone as an example,the countermeasures of perfecting industrial land transfer mechanism in the development zone are proposed.

Spatial Pattern Evolution and Industrial Characteristics of Economic and Technological Development Zones and High-tech Industrial Zones in China

Economic and technological development zone and high-tech industrial zone are important types of development zone in China,and there are differences in their connotation and goal setting.In this paper,basic data of national and provincial economic and technological development zones and high-tech industrial zones in China were collected and arranged.Kernel density analysis and other GIS spatial analysis techniques were used to analyze the evolution laws of spatial patterns of economic and technological development zones and high-tech industrial zones in cities from 2006 to 2018.First,the agglomeration intensity was compared by measuring the degree of regional agglomeration and dispersion on the two time nodes.Next,kernel density method was used to explore the evolution of the two in the spatial layout and location,and analyze development commonness and difference of economic and technological development zones and high-tech industrial zones.Finally,the trend and reason of spatial evolution of development zones with different leading industries were explored.Research results show that:①the agglomeration degree of layout of high-tech industrial zones is stronger than that of economic and technological development zones,and there are similarities and differences in distribution trend of spatial patterns of the two types of development zones;②the distribution of labor-intensive,capital-intensive and technology-intensive development zones is concentrated at smaller scales and dispersed at larger ones;③although there are differences between the economic and technological development zones and the high-tech industrial zones in the goal,support,structure and function,management system and so on,their spatial development presents a trend of convergence.In the future,when enhancing urban-rural planning and public administration,governments should combine the trend of industrial transformation and upgrading,and optimize spatial layout of development zones by adjusting industrial structure,layout,transportation and land use.

Developing International Economic and Technological Cooperation in Zhe Jiang

Zhejiang is a coastal province with advanced economy,solid foundation of industry and agriculture and all-comprehensive industry sectors,and with lignht industry andtextile as the mainstay Its popularized education,advancedscience and technology and ample supply of high-quality labourforce benefit itselt involving in foreign project contracting,labour export and overseas investment.Since 1979,Zhejianghas accepted more than ten foreign projects worth US$300million and supplied labour service to 40 countries。

BRILLIANT MOVEMENT AND GREAT PICTURE ROLL——Interview Mr.Wang Deye,director of Administration Commission of Guangzhou Economic and Technological Development Disrict.

Recent reports about economic and technological developmentdistrict brought me an idea to visit Wang Deye of director of Ad-ministration Commission of Guangzhou Economic and Technol-ogy District (GETDD).The reports gave me a definite informa-tion:There is a new shock wave of pioneering cause in GETDD.The development trend can not be held back and the zone willmarch ahead of all economic and technological development zonesin China again.Facing the new shock wave,how will people of GETDD reactand to add their achievements for a better future?After the removing of the "favorable policy" granted by Cen-tral government,how will they open a new sea route of "systemdrive" in the second poneering phase?Facing the new chance of Pearl River Delta Economic Area,how will they set up its forerunner image and utmost importance?

CONSTANTLY IMPROVE AND DEVELOP INTERNATIONAL PATENT SYSTEM,PROMOTE SCIENTIFIC AND TECHNOLOGICAL AND ECONOMIC DEVELOPMENT OF COUNTRIES AROUND THE WORLD

When the human society steps into a new epoch, we, in cooperation with the World Intellectual Property Organization (WIPO), hold the Sino-African Intellectual Property Forum, on which we may exchange experiences in developing intellectual property systems and discuss issues of common concern. The themes listed in the agenda not only mirror the emerging issues of the development of the international intellectual property system, but also carry significant weight to

Shanghai Economic & Technological Development District

The Shanghai Hongqiao Economic and Technological Development District is an entrance to Shanghai because it is connected to the Hongqiao Airport. The district occupies an area of 65.2 hectares. It is the only way from

New Developments of Tungsten Technology in China

I.IntroductionIt is well known that China is rich in natural resources of tungsten.Before 1949 there was al-most no tungsten industry in our country except mining and ore dressing.Tremendous changeshave taken place after 1949.We have built our metallurgical industry of tungsten.Especially start-ing from the last decade much progress has been made not only in production technologies and

The Intrinsic Traction Force in the Technological Development

There is an intrinsic traction force in the technological development which has various manifestations. It is from nonlinear interaction that occurs among the essential elements of technology and among the relevant technology. It is not the only decisive factor but to interweave with other tensions in the development of technology.

Anhui Fuyang Economic and Technological Development Area

The Fuyang Economic and TechnologicalDevelopment area(FETDA) is aprovincial development area approvedby the Anhui provincial government.Situatedin the south of the city,the area is close to theold town in the north and bordering to thesouth the outer ring road,and the Beijing-Kowloon railway in the east.To the southeastis the large freight terminal of the railway.And the Xiqinghe River runs along its westernborder.It is four km away from Fuyangairport and national highway 105 and theFuyang-Yingzhou highway run through thearea,which covers a total area of eight sqkm. With all kinds of public facilities,thearea will be operated in line with

On the Relationship between the Evolution of Technological Firms and Their Knowledge Development Regimes

Differences in knowledge regimes and growth dynamics amongst four ideal types of knowledge based firms are analyzed. Two aspects of technological knowledge, technological opportunity and appropriability are traditionally seen as vital to understand the incentives for research and development activities in firms. However, they do not fully define the technology regimes, when one asks how the knowledge based firm competes. Therefore, the dynamic nature of firm capabilities and knowledge development in terms of expansion and in terms of deepening are also discussed. These two additional aspects of knowledge implies that even if all firms in an industry can be considered to be knowledge intensive these firms do also differ. Using cases of entrepreneurial start-up firms in Sweden, we illustrate whether our conceptual ideas of knowledge development help us understand the diversity and contradictions of firm evolution. Our finding is that firm evolution and capability development is dependent upon both the potential for expanding knowledge, such as by innovations, and by deepening the understanding within established knowledge, such as by learning. This implies that the shaping of a science based industry must be seen in relation both to the value of current knowledge and capabilities together with the sometimes only limited and temporarily advantages of radical innovations.

Latest Developments and Problems in Standardization of Resource Control Technologies for NGN

As a hot spot of next generation network, research over resource control has been carried out for years both in China and abroad. With a gradual progress in standardization, this field presents new development trends and features. Based on latest progresses in standardization promoted by ITU-T, TISPAN and 3GPP, new technologies concerned with resource control are introduced. Considering the problems faced in standardization deployment, relevant resource control functions are also analyzed in this article.

Hi-Tech Revolution The rise of China’s scientific and technological development

The announcer on the giant screen greeted visitors to the Wuzhen International lnternet Exhibition Center with a cheery voice. ＂Good morning everyone! I will be your news anchor for today,＂ said the male voice. But this was no ordinary announcer： his voice and appearance have been entirely generated by artificial intelligence technology.

Research on the Coupling Mechanism of Creative Spirit Cultivation and Scientific and Technological Innovation Development

Migration and innovation is the driving force of scientific and technological development.By analyzing the coupling relationship between the two,this paper finds out the common elements shared by the two factors,and constructs the coupling guarantee mechanism between them,so as to provide suggestions for the coordination,win-win and synchronous benign development of the spirit of makers and the development of scientific and technological innovation,and promote the sustainable development of the national innovation system.

On SD-oriented mechanism of technological innovation

If one enterprise just takes technological innovation as the way for economic profit but not the combinationalprofit of economy, society and ecology, it will never survive in this fierce competition market. Based on the relationshipbetween technological innovation and sustainable development, this paper brings forward that technological innovationmust take the sustainable1 development of society as the fundamental goal. Technological innovation should be the realimpulse for the development of society, economy and ecology. On the basis of the analysis on previous technologicalinnovation impetus mechanism, combined with the influential factors, this paper puts forward SD-oriented mechanism oftechnological innovation.

Technological development

Recvcling the Rare Earth Metals of E-Waste Recycling the valuable rare earth metals found in advanced electronics from smartphones to plasma screen TVs has been a challenge for both manufacturers and environmental groups.Yale researchers,though,have developed a technology that could recover these materials for reuse.Desiree Plata,the John J.Lee Assistant Professor of Chemical and Environmental Engineering,and

The Development of Economic and Technological Zones in China

Economic and technological development zones (ETDZs) constitute special designated areas emerging in a period of economic transition characterized by the adoption of special policies and the creation of favorable environment conducive to the attraction of foreign capital and technology and to the development of an outward-oriented economy. At present, there are 41 State-level ETDZs, which together